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fteqw/engine/gl/gl_heightmap.c
Spoike 9cd425e945 rework hlmdl subblends. apparently they're some sort of grid. 
fix decals again. clampmap should work properly with them, also removed the extra part.
fix rtlight pvs issue with respect to portals
fix vid_reload causing the d3d9 renderer to use nearest sampling
terrain system should now mostly work with d3d9. still has issues.
fix q3 volumetric fog not applying to models

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5174 fc73d0e0-1445-4013-8a0c-d673dee63da5
2017-11-30 17:59:11 +00:00

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/*
See gl_terrain.h for terminology, networking notes, etc.
*/
#include "quakedef.h"
#ifdef TERRAIN
#include "glquake.h"
#include "shader.h"
#include "pr_common.h"
#include "gl_terrain.h"
static terrainfuncs_t terrainfuncs;
cvar_t mod_terrain_networked = CVARD("mod_terrain_networked", "0", "Terrain edits are networked. Clients will download sections on demand, and servers will notify clients of changes.");
cvar_t mod_terrain_defaulttexture = CVARD("mod_terrain_defaulttexture", "", "Newly created terrain tiles will use this texture. This should generally be updated by the terrain editor.");
cvar_t mod_terrain_savever = CVARD("mod_terrain_savever", "", "Which terrain section version to write if terrain was edited.");
enum
{
hmcmd_brush_delete,
hmcmd_brush_insert,
hmcmd_prespawning, //sent before initial inserts
hmcmd_prespawned, //sent just after initial inserts
hmcmd_ent_edit = 0x40,
hmcmd_ent_remove
};
void validatelinks(link_t *firstnode)
{
/* link_t *node;
COM_AssertMainThread("foo");
for (node = firstnode->next; node; node = node->next)
if (firstnode == node)
break;
for (node = firstnode->prev; node; node = node->prev)
if (firstnode == node)
break;
return;*/
}
void validatelinks2(link_t *firstnode, link_t *panic)
{
/* link_t *node;
COM_AssertMainThread("foo");
for (node = firstnode->next; node; node = node->next)
{
if (node == panic)
Sys_Error("Panic\n");
if (firstnode == node)
break;
}
for (node = firstnode->prev; node; node = node->prev)
{
if (node == panic)
Sys_Error("Panic\n");
if (firstnode == node)
break;
}
return;*/
}
//FIXME
int Surf_NewLightmaps(int count, int width, int height, qboolean deluxe);
#ifndef SERVERONLY
static void ted_dorelight(heightmap_t *hm);
static void Terr_WorkerLoadedSectionLightmap(void *ctx, void *data, size_t a, size_t b);
static qboolean Terr_Collect(heightmap_t *hm);
#endif
static hmsection_t *QDECL Terr_GetSection(heightmap_t *hm, int x, int y, unsigned int flags);
static void Terr_LoadSectionWorker(void *ctx, void *data, size_t a, size_t b);
static void Terr_WorkerLoadedSection(void *ctx, void *data, size_t a, size_t b);
static void Terr_WorkerFailedSection(void *ctx, void *data, size_t a, size_t b);
static void Terr_Brush_DeleteIdx(heightmap_t *hm, size_t idx);
#ifndef SERVERONLY
static void Terr_Brush_Draw(heightmap_t *hm, batch_t **batches, entity_t *e);
#endif
#ifndef SERVERONLY
static texid_t Terr_LoadTexture(char *name)
{
extern texid_t missing_texture;
texid_t id;
if (*name)
{
id = R_LoadHiResTexture(name, NULL, 0);
if (!TEXVALID(id))
{
id = missing_texture;
Con_Printf("Unable to load texture %s\n", name);
}
}
else
id = missing_texture;
return id;
}
#endif
static void QDECL Terr_LoadSectionTextures(hmsection_t *s)
{
#ifndef SERVERONLY
extern texid_t missing_texture;
struct hmwater_s *w;
if (isDedicated)
return;
//CL_CheckOrEnqueDownloadFile(s->texname[0], NULL, 0);
//CL_CheckOrEnqueDownloadFile(s->texname[1], NULL, 0);
//CL_CheckOrEnqueDownloadFile(s->texname[2], NULL, 0);
//CL_CheckOrEnqueDownloadFile(s->texname[3], NULL, 0);
switch(s->hmmod->mode)
{
case HMM_BLOCKS:
s->textures.base = Terr_LoadTexture(va("maps/%s/atlas.tga", s->hmmod->path));
s->textures.fullbright = Terr_LoadTexture(va("maps/%s/atlas_luma.tga", s->hmmod->path));
s->textures.bump = Terr_LoadTexture(va("maps/%s/atlas_norm.tga", s->hmmod->path));
s->textures.specular = Terr_LoadTexture(va("maps/%s/atlas_spec.tga", s->hmmod->path));
s->textures.upperoverlay = missing_texture;
s->textures.loweroverlay = missing_texture;
break;
case HMM_TERRAIN:
s->textures.base = Terr_LoadTexture(s->texname[0]);
s->textures.upperoverlay = Terr_LoadTexture(s->texname[1]);
s->textures.loweroverlay = Terr_LoadTexture(s->texname[2]);
s->textures.fullbright = Terr_LoadTexture(s->texname[3]);
s->textures.bump = *s->texname[0]?R_LoadHiResTexture(va("%s_norm", s->texname[0]), NULL, 0):r_nulltex;
s->textures.specular = *s->texname[0]?R_LoadHiResTexture(va("%s_spec", s->texname[0]), NULL, 0):r_nulltex;
break;
}
for (w = s->water; w; w = w->next)
{
w->shader = R_RegisterCustom (w->shadername, SUF_NONE, Shader_DefaultWaterShader, NULL);
R_BuildDefaultTexnums(NULL, w->shader); //this might get expensive. hideously so.
}
#endif
}
static qboolean QDECL Terr_InitLightmap(hmsection_t *s, qboolean initialise)
{
#ifdef SERVERONLY
return false;
#else
heightmap_t *hm = s->hmmod;
if (s->lightmap < 0)
{
struct lmsect_s *lms;
Sys_LockMutex(com_resourcemutex);
while (!hm->unusedlmsects)
{
int lm;
int i;
Sys_UnlockMutex(com_resourcemutex);
lm = Surf_NewLightmaps(1, SECTTEXSIZE*LMCHUNKS, SECTTEXSIZE*LMCHUNKS, false);
Sys_LockMutex(com_resourcemutex);
for (i = 0; i < LMCHUNKS*LMCHUNKS; i++)
{
lms = BZ_Malloc(sizeof(*lms));
lms->lm = lm;
lms->x = (i & (LMCHUNKS-1))*SECTTEXSIZE;
lms->y = (i / LMCHUNKS)*SECTTEXSIZE;
lms->next = hm->unusedlmsects;
hm->unusedlmsects = lms;
hm->numunusedlmsects++;
}
}
lms = hm->unusedlmsects;
hm->unusedlmsects = lms->next;
s->lightmap = lms->lm;
s->lmx = lms->x;
s->lmy = lms->y;
hm->numunusedlmsects--;
hm->numusedlmsects++;
Sys_UnlockMutex(com_resourcemutex);
Z_Free(lms);
initialise = true;
}
if (initialise && s->lightmap >= 0)
{
int x, y;
unsigned char *lm;
lm = lightmap[s->lightmap]->lightmaps;
lm += (s->lmy * HMLMSTRIDE + s->lmx) * lightmap_bytes;
for (y = 0; y < SECTTEXSIZE; y++)
{
for (x = 0; x < SECTTEXSIZE; x++)
{
lm[x*4+0] = 0;
lm[x*4+1] = 0;
lm[x*4+2] = 0;
lm[x*4+3] = 255;
}
lm += (HMLMSTRIDE)*lightmap_bytes;
}
}
if (s->lightmap >= 0)
{
lightmap[s->lightmap]->modified = true;
lightmap[s->lightmap]->rectchange.l = 0;
lightmap[s->lightmap]->rectchange.t = 0;
lightmap[s->lightmap]->rectchange.r = HMLMSTRIDE;
lightmap[s->lightmap]->rectchange.b = HMLMSTRIDE;
}
return s->lightmap>=0;
#endif
}
static char *genextendedhex(int n, char *buf)
{
char *ret;
static char nibble[16] = "0123456789abcdef";
unsigned int m;
int i;
for (i = 7; i >= 1; i--) //>=1 ensures at least two nibbles appear.
{
m = 0xfffffff8<<(i*4);
if ((n & m) != m && (n & m) != 0)
break;
}
ret = buf;
for(i++; i >= 0; i--)
*buf++ = nibble[(n>>i*4) & 0xf];
*buf++ = 0;
return ret;
}
static char *Terr_DiskBlockName(heightmap_t *hm, int sx, int sy, char *out, size_t outsize)
{
char xpart[9];
char ypart[9];
//using a naming scheme centered around 0 means we can gracefully expand the map away from 0,0
sx -= CHUNKBIAS;
sy -= CHUNKBIAS;
//wrap cleanly
sx &= CHUNKLIMIT-1;
sy &= CHUNKLIMIT-1;
sx /= SECTIONSPERBLOCK;
sy /= SECTIONSPERBLOCK;
if (sx >= CHUNKBIAS/SECTIONSPERBLOCK)
sx |= 0xffffff00;
if (sy >= CHUNKBIAS/SECTIONSPERBLOCK)
sy |= 0xffffff00;
Q_snprintfz(out, outsize, "maps/%s/block_%s_%s.hms", hm->path, genextendedhex(sx, xpart), genextendedhex(sy, ypart));
return out;
}
static char *Terr_DiskSectionName(heightmap_t *hm, int sx, int sy, char *out, size_t outsize)
{
sx -= CHUNKBIAS;
sy -= CHUNKBIAS;
//wrap cleanly
sx &= CHUNKLIMIT-1;
sy &= CHUNKLIMIT-1;
Q_snprintfz(out, outsize, "maps/%s/sect_%03x_%03x.hms", hm->path, sx, sy);
return out;
}
#ifndef SERVERONLY
static char *Terr_TempDiskSectionName(heightmap_t *hm, int sx, int sy)
{
sx -= CHUNKBIAS;
sy -= CHUNKBIAS;
//wrap cleanly
sx &= CHUNKLIMIT-1;
sy &= CHUNKLIMIT-1;
return va("temp/%s/sect_%03x_%03x.hms", hm->path, sx, sy);
}
#endif
static int dehex_e(int i, qboolean *error)
{
if (i >= '0' && i <= '9')
return (i-'0');
else if (i >= 'A' && i <= 'F')
return (i-'A'+10);
else if (i >= 'a' && i <= 'f')
return (i-'a'+10);
else
*error = true;
return 0;
}
static qboolean Terr_IsSectionFName(heightmap_t *hm, const char *fname, int *sx, int *sy)
{
int l;
qboolean error = false;
*sx = 0xdeafbeef; //something clearly invalid
*sy = 0xdeafbeef;
//not this model...
if (!hm)
return false;
//expect the first 5 chars to be maps/ or temp/
fname += 5;
l = strlen(hm->path);
if (strncmp(fname, hm->path, l) || fname[l] != '/')
return false;
fname += l+1;
//fname now has a fixed length.
if (strlen(fname) != 16)
return false;
if (strncmp(fname, "sect_", 5) || fname[8] != '_' || (strcmp(fname+12, ".hms") && strcmp(fname+12, ".tmp")))
return false;
*sx = 0;
*sx += dehex_e(fname[5], &error)<<8;
*sx += dehex_e(fname[6], &error)<<4;
*sx += dehex_e(fname[7], &error)<<0;
*sy = 0;
*sy += dehex_e(fname[9], &error)<<8;
*sy += dehex_e(fname[10], &error)<<4;
*sy += dehex_e(fname[11], &error)<<0;
*sx += CHUNKBIAS;
*sy += CHUNKBIAS;
if ((unsigned)*sx >= CHUNKLIMIT)
*sx -= CHUNKLIMIT;
if ((unsigned)*sy >= CHUNKLIMIT)
*sy -= CHUNKLIMIT;
//make sure its a valid section index.
if ((unsigned)*sx >= CHUNKLIMIT)
return false;
if ((unsigned)*sy >= CHUNKLIMIT)
return false;
return true;
}
static int QDECL Terr_GenerateSections(heightmap_t *hm, int sx, int sy, int count, hmsection_t **sects)
{
//a worker is trying to load multiple sections at once.
//lock ALL of them atomically, so that we don't end up with too many workers all doing stuff at once.
int x, y;
hmsection_t *s;
hmcluster_t *cluster;
int numgen = 0;
Sys_LockMutex(com_resourcemutex);
for (y = 0; y < count; y++)
for (x = 0; x < count; x++)
{
int clusternum = ((sx+x)/MAXSECTIONS) + ((sy+y)/MAXSECTIONS)*MAXCLUSTERS;
cluster = hm->cluster[clusternum];
if (!cluster)
cluster = hm->cluster[clusternum] = Z_Malloc(sizeof(*cluster));
s = cluster->section[((sx+x)%MAXSECTIONS) + ((sy+y)%MAXSECTIONS)*MAXSECTIONS];
if (!s)
{
s = Z_Malloc(sizeof(*s));
s->loadstate = TSLS_LOADING0;
#ifndef SERVERONLY
s->lightmap = -1;
#endif
s->numents = 0;
s->sx = sx + x;
s->sy = sy + y;
cluster->section[(s->sx%MAXSECTIONS) + (s->sy%MAXSECTIONS)*MAXSECTIONS] = s;
hm->activesections++;
s->hmmod = hm;
s->flags = TSF_DIRTY;
hm->loadingsections+=1;
}
#ifndef SERVERONLY
else if (s->loadstate == TSLS_LOADED && s->lightmap < 0)
; //it lost its lightmap. the main thread won't be drawing with it, nor do any loaders.
//FIXME: might be used by tracelines on a worker (eg lightmap generation)
#endif
else if (s->loadstate != TSLS_LOADING0)
{
//this one is already active.
sects[x + y*count] = NULL;
continue;
}
s->loadstate = TSLS_LOADING1;
sects[x + y*count] = s;
numgen++;
}
Sys_UnlockMutex(com_resourcemutex);
return numgen;
}
static hmsection_t *QDECL Terr_GenerateSection(heightmap_t *hm, int sx, int sy, qboolean scheduleload)
{
hmsection_t *s;
hmcluster_t *cluster;
int clusternum = (sx/MAXSECTIONS) + (sy/MAXSECTIONS)*MAXCLUSTERS;
#ifdef LOADERTHREAD
Sys_LockMutex(com_resourcemutex);
#endif
cluster = hm->cluster[clusternum];
if (!cluster)
cluster = hm->cluster[clusternum] = Z_Malloc(sizeof(*cluster));
s = cluster->section[(sx%MAXSECTIONS) + (sy%MAXSECTIONS)*MAXSECTIONS];
if (!s)
{
s = Z_Malloc(sizeof(*s));
if (!s)
{
#ifdef LOADERTHREAD
Sys_UnlockMutex(com_resourcemutex);
#endif
return NULL;
}
#ifndef SERVERONLY
s->lightmap = -1;
#endif
#ifndef SERVERONLY
s->numents = 0;
#endif
s->sx = sx;
s->sy = sy;
cluster->section[(sx%MAXSECTIONS) + (sy%MAXSECTIONS)*MAXSECTIONS] = s;
hm->activesections++;
s->hmmod = hm;
s->flags = TSF_DIRTY;
hm->loadingsections+=1;
if (!scheduleload)
{ //no scheduling means that we're loading it NOW, on this thread.
s->loadstate = TSLS_LOADING1;
#ifdef LOADERTHREAD
Sys_UnlockMutex(com_resourcemutex);
#endif
return s;
}
s->loadstate = TSLS_LOADING0;
#ifdef LOADERTHREAD
Sys_UnlockMutex(com_resourcemutex);
#endif
COM_AddWork(WG_LOADER, Terr_LoadSectionWorker, s, hm, sx, sy);
return s;
}
if (!scheduleload)
{
if (s->loadstate == TSLS_LOADING0)
s->loadstate = TSLS_LOADING1;
else
s = NULL;
}
#ifdef LOADERTHREAD
Sys_UnlockMutex(com_resourcemutex);
#endif
return s;
}
//generates some water
static void *QDECL Terr_GenerateWater(hmsection_t *s, float maxheight)
{
int i;
struct hmwater_s *w;
w = Z_Malloc(sizeof(*s->water));
w->next = s->water;
s->water = w;
Q_strncpyz(w->shadername, s->hmmod->defaultwatershader, sizeof(w->shadername));
w->simple = true;
w->contentmask = FTECONTENTS_WATER;
memset(w->holes, 0, sizeof(w->holes));
for (i = 0; i < 9*9; i++)
w->heights[i] = maxheight;
w->maxheight = w->minheight = maxheight;
if (s->maxh_cull < w->maxheight)
s->maxh_cull = w->maxheight;
return w;
}
//embeds a mesh
static void QDECL Terr_AddMesh(heightmap_t *hm, int loadflags, model_t *mod, const char *modelname, vec3_t epos, vec3_t axis[3], float scale)
{
#ifndef SERVERONLY
struct hmentity_s *e, *f = NULL;
hmsection_t *s;
int min[2], max[2], coord[2];
int i;
if (!mod)
{
if (modelname)
mod = Mod_ForName(modelname, MLV_WARN);
if (!mod)
return;
}
if (!scale)
scale = 1;
if (mod->loadstate != MLS_LOADED)
Con_DPrintf("Terr_AddMesh: model is not loaded yet\n");
//I do NOT like that this depends on the size of the model.
if (axis[0][0] != 1 || axis[0][1] != 0 || axis[0][2] != 0 ||
axis[1][0] != 0 || axis[1][1] != 1 || axis[1][2] != 0 ||
axis[2][0] != 0 || axis[2][1] != 0 || axis[2][2] != 1)
{
min[0] = floor((epos[0]-mod->radius*scale) / hm->sectionsize) + CHUNKBIAS;
min[1] = floor((epos[1]-mod->radius*scale) / hm->sectionsize) + CHUNKBIAS;
min[0] = bound(hm->firstsegx, min[0], hm->maxsegx-1);
min[1] = bound(hm->firstsegy, min[1], hm->maxsegy-1);
max[0] = floor((epos[0]+mod->radius*scale) / hm->sectionsize) + CHUNKBIAS;
max[1] = floor((epos[1]+mod->radius*scale) / hm->sectionsize) + CHUNKBIAS;
max[0] = bound(hm->firstsegx, max[0], hm->maxsegx-1);
max[1] = bound(hm->firstsegy, max[1], hm->maxsegy-1);
}
else
{
min[0] = floor((epos[0]+mod->mins[0]*scale) / hm->sectionsize) + CHUNKBIAS;
min[1] = floor((epos[1]+mod->mins[1]*scale) / hm->sectionsize) + CHUNKBIAS;
min[0] = bound(hm->firstsegx, min[0], hm->maxsegx-1);
min[1] = bound(hm->firstsegy, min[1], hm->maxsegy-1);
max[0] = floor((epos[0]+mod->maxs[0]*scale) / hm->sectionsize) + CHUNKBIAS;
max[1] = floor((epos[1]+mod->maxs[1]*scale) / hm->sectionsize) + CHUNKBIAS;
max[0] = bound(hm->firstsegx, max[0], hm->maxsegx-1);
max[1] = bound(hm->firstsegy, max[1], hm->maxsegy-1);
}
Sys_LockMutex(hm->entitylock);
//try to find the ent if it already exists (don't do dupes)
for (e = hm->entities; e; e = e->next)
{
if (!e->refs)
f = e;
else
{
if (e->ent.origin[0] != epos[0] || e->ent.origin[1] != epos[1] || e->ent.origin[2] != epos[2])
continue;
if (e->ent.model != mod || e->ent.scale != scale)
continue;
if (memcmp(axis, e->ent.axis, sizeof(e->ent.axis)))
continue;
break; //looks like a match.
}
}
//allocate it if needed
if (!e)
{
if (f)
e = f; //can reuse a released one
else
{ //allocate one
e = Z_Malloc(sizeof(*e));
e->next = hm->entities;
hm->entities = e;
}
#ifdef HEXEN2
e->ent.drawflags = SCALE_ORIGIN_ORIGIN;
#endif
e->ent.scale = scale;
e->ent.playerindex = -1;
e->ent.framestate.g[FS_REG].lerpweight[0] = 1;
e->ent.topcolour = TOP_DEFAULT;
e->ent.bottomcolour = BOTTOM_DEFAULT;
e->ent.shaderRGBAf[0] = 1;
e->ent.shaderRGBAf[1] = 1;
e->ent.shaderRGBAf[2] = 1;
e->ent.shaderRGBAf[3] = 1;
VectorCopy(epos, e->ent.origin);
memcpy(e->ent.axis, axis, sizeof(e->ent.axis));
e->ent.model = mod;
}
for (coord[0] = min[0]; coord[0] <= max[0]; coord[0]++)
{
for (coord[1] = min[1]; coord[1] <= max[1]; coord[1]++)
{
s = Terr_GetSection(hm, coord[0], coord[1], loadflags|TGS_ANYSTATE);
if (!s)
continue;
//don't add pointless dupes
for (i = 0; i < s->numents; i++)
{
if (s->ents[i] == e)
break;
}
if (i < s->numents)
continue;
//FIXME: while technically correct, this causes issues with the v1 format.
s->flags |= TSF_EDITED;
//FIXME: race condition - main thread might be walking the entity list.
//FIXME: even worse: the editor might be running through this routine adding/removing entities at the same time as the loader.
if (s->maxents == s->numents)
{
s->maxents++;
s->ents = realloc(s->ents, sizeof(*s->ents)*(s->maxents));
}
s->ents[s->numents++] = e;
e->refs++;
}
}
Sys_UnlockMutex(hm->entitylock);
#endif
}
static void *Terr_ReadV1(heightmap_t *hm, hmsection_t *s, void *ptr, int len)
{
#ifndef SERVERONLY
dsmesh_v1_t *dm;
float *colours;
qbyte *lmstart;
#endif
dsection_v1_t *ds = ptr;
int i;
unsigned int flags = LittleLong(ds->flags);
s->flags |= flags & ~(TSF_INTERNAL|TSF_HASWATER_V0);
for (i = 0; i < SECTHEIGHTSIZE*SECTHEIGHTSIZE; i++)
{
s->heights[i] = LittleFloat(ds->heights[i]);
}
s->minh = ds->minh;
s->maxh = ds->maxh;
if (flags & TSF_HASWATER_V0)
Terr_GenerateWater(s, ds->waterheight);
memset(s->holes, 0, sizeof(s->holes));
for (i = 0; i < 8*8; i++)
{
int x = (i & 7);
int y = (i>>3);
int b = (1u<<(x>>1)) << ((y>>1)<<2);
if (ds->holes & b)
s->holes[y] |= 1u<<x;
}
ptr = ds+1;
#ifndef SERVERONLY
/*deal with textures*/
Q_strncpyz(s->texname[0], ds->texname[0], sizeof(s->texname[0]));
Q_strncpyz(s->texname[1], ds->texname[1], sizeof(s->texname[1]));
Q_strncpyz(s->texname[2], ds->texname[2], sizeof(s->texname[2]));
Q_strncpyz(s->texname[3], ds->texname[3], sizeof(s->texname[3]));
/*load in the mixture/lighting*/
lmstart = BZ_Malloc(SECTTEXSIZE*SECTTEXSIZE*4);
memcpy(lmstart, ds->texmap, SECTTEXSIZE*SECTTEXSIZE*4);
COM_AddWork(WG_MAIN, Terr_WorkerLoadedSectionLightmap, hm, lmstart, s->sx, s->sy);
s->mesh.colors4f_array[0] = s->colours;
if (flags & TSF_HASCOLOURS)
{
for (i = 0, colours = (float*)ptr; i < SECTHEIGHTSIZE*SECTHEIGHTSIZE; i++, colours+=4)
{
s->colours[i][0] = LittleFloat(colours[0]);
s->colours[i][1] = LittleFloat(colours[1]);
s->colours[i][2] = LittleFloat(colours[2]);
s->colours[i][3] = LittleFloat(colours[3]);
}
ptr = colours;
}
else
{
for (i = 0; i < SECTHEIGHTSIZE*SECTHEIGHTSIZE; i++)
{
s->colours[i][0] = 1;
s->colours[i][1] = 1;
s->colours[i][2] = 1;
s->colours[i][3] = 1;
}
}
/*load any static ents*/
for (i = 0, dm = (dsmesh_v1_t*)ptr; i < ds->ents_num; i++, dm = (dsmesh_v1_t*)((qbyte*)dm + dm->size))
{
vec3_t org;
org[0] = dm->axisorg[3][0] + (s->sx-CHUNKBIAS)*hm->sectionsize;
org[1] = dm->axisorg[3][1] + (s->sy-CHUNKBIAS)*hm->sectionsize;
org[2] = dm->axisorg[3][2];
Terr_AddMesh(hm, TGS_NOLOAD, NULL, (char*)(dm + 1), org, dm->axisorg, dm->scale);
}
#endif
return ptr;
}
struct terrstream_s
{
qbyte *buffer;
int maxsize;
int pos;
};
//I really hope these get inlined properly.
static int Terr_Read_SInt(struct terrstream_s *strm)
{
int val;
strm->pos = (strm->pos + sizeof(val)-1) & ~(sizeof(val)-1);
val = *(int*)(strm->buffer+strm->pos);
strm->pos += sizeof(val);
return LittleLong(val);
}
static qbyte Terr_Read_Byte(struct terrstream_s *strm)
{
qbyte val;
val = *(qbyte*)(strm->buffer+strm->pos);
strm->pos += sizeof(val);
return val;
}
static float Terr_Read_Float(struct terrstream_s *strm)
{
float val;
strm->pos = (strm->pos + sizeof(val)-1) & ~(sizeof(val)-1);
val = *(float*)(strm->buffer+strm->pos);
strm->pos += sizeof(val);
return LittleFloat(val);
}
static char *Terr_Read_String(struct terrstream_s *strm, char *val, int maxlen)
{
int len = strlen(strm->buffer + strm->pos);
maxlen = min(len, maxlen-1); //truncate
memcpy(val, strm->buffer + strm->pos, maxlen);
val[maxlen] = 0;
strm->pos += len+1;
return val;
}
#ifndef SERVERONLY
static void Terr_Write_SInt(struct terrstream_s *strm, int val)
{
val = LittleLong(val);
strm->pos = (strm->pos + sizeof(val)-1) & ~(sizeof(val)-1);
*(int*)(strm->buffer+strm->pos) = val;
strm->pos += sizeof(val);
}
static void Terr_Write_Byte(struct terrstream_s *strm, qbyte val)
{
*(qbyte*)(strm->buffer+strm->pos) = val;
strm->pos += sizeof(val);
}
static void Terr_Write_Float(struct terrstream_s *strm, float val)
{
val = LittleFloat(val);
strm->pos = (strm->pos + sizeof(val)-1) & ~(sizeof(val)-1);
*(float*)(strm->buffer+strm->pos) = val;
strm->pos += sizeof(val);
}
static void Terr_Write_String(struct terrstream_s *strm, char *val)
{
int len = strlen(val)+1;
memcpy(strm->buffer + strm->pos, val, len);
strm->pos += len;
}
static void Terr_TrimWater(hmsection_t *s)
{
int i;
struct hmwater_s *w, **link;
for (link = &s->water; (w = *link); )
{
//one has a height above the terrain?
for (i = 0; i < 9*9; i++)
if (w->heights[i] > s->minh)
break;
if (i == 9*9)
{
*link = w->next;
Z_Free(w);
continue;
}
else
link = &(*link)->next;
}
}
static void Terr_SaveV2(heightmap_t *hm, hmsection_t *s, vfsfile_t *f, int sx, int sy)
{
qbyte buffer[65536], last, delta, *lm;
struct terrstream_s strm = {buffer, sizeof(buffer), 0};
unsigned int flags = s->flags;
int i, j, x, y;
struct hmwater_s *w;
flags &= ~(TSF_INTERNAL);
flags &= ~(TSF_HASCOLOURS|TSF_HASHEIGHTS|TSF_HASSHADOW);
for (i = 0; i < SECTHEIGHTSIZE*SECTHEIGHTSIZE; i++)
{
if (s->colours[i][0] != 1 || s->colours[i][1] != 1 || s->colours[i][2] != 1 || s->colours[i][3] != 1)
{
flags |= TSF_HASCOLOURS;
break;
}
}
for (i = 0; i < SECTHEIGHTSIZE*SECTHEIGHTSIZE; i++)
{
if (s->heights[i] != s->heights[0])
{
flags |= TSF_HASHEIGHTS;
break;
}
}
lm = lightmap[s->lightmap]->lightmaps;
lm += (s->lmy * HMLMSTRIDE + s->lmx) * lightmap_bytes;
for (y = 0; y < SECTTEXSIZE; y++)
{
for (x = 0; x < SECTTEXSIZE; x++)
{
if (lm[x*4+3] != 255)
{
flags |= TSF_HASSHADOW;
y = SECTTEXSIZE;
break;
}
}
lm += (HMLMSTRIDE)*lightmap_bytes;
}
//write the flags so the loader knows what to load
Terr_Write_SInt(&strm, flags);
//if heights are compressed, only the first is present.
if (!(flags & TSF_HASHEIGHTS))
Terr_Write_Float(&strm, s->heights[0]);
else
{
for (i = 0; i < SECTHEIGHTSIZE*SECTHEIGHTSIZE; i++)
Terr_Write_Float(&strm, s->heights[i]);
}
for (i = 0; i < sizeof(s->holes); i++)
Terr_Write_Byte(&strm, s->holes[i]);
Terr_TrimWater(s);
for (j = 0, w = s->water; w; j++)
w = w->next;
Terr_Write_SInt(&strm, j);
for (i = 0, w = s->water; i < j; i++, w = w->next)
{
char *shadername = w->shader->name;
int fl = 0;
if (strcmp(shadername, hm->defaultwatershader))
fl |= 1;
for (x = 0; x < 8; x++)
if (w->holes[x])
break;
fl |= ((x==8)?0:2);
for (x = 0; x < 9*9; x++)
if (w->heights[x] != w->heights[0])
break;
fl |= ((x==9*9)?0:4);
Terr_Write_SInt(&strm, fl);
Terr_Write_SInt(&strm, w->contentmask);
if (fl & 1)
Terr_Write_String(&strm, shadername);
if (fl & 2)
{
for (x = 0; x < 8; x++)
Terr_Write_Byte(&strm, w->holes[x]);
}
if (fl & 4)
{
for (x = 0; x < 9*9; x++)
Terr_Write_Float(&strm, w->heights[x]);
}
else
Terr_Write_Float(&strm, w->heights[0]);
}
if (flags & TSF_HASCOLOURS)
{
//FIXME: bytes? channels?
for (i = 0; i < SECTHEIGHTSIZE*SECTHEIGHTSIZE; i++)
{
Terr_Write_Float(&strm, s->colours[i][0]);
Terr_Write_Float(&strm, s->colours[i][1]);
Terr_Write_Float(&strm, s->colours[i][2]);
Terr_Write_Float(&strm, s->colours[i][3]);
}
}
for (j = 0; j < 4; j++)
Terr_Write_String(&strm, s->texname[j]);
for (j = 0; j < 4; j++)
{
if (j == 3)
{
//only write the channel if it has actual data
if (!(flags & TSF_HASSHADOW))
continue;
}
else
{
//only write the data if there's actually a texture.
//its not meant to be possible to delete a texture without deleting its data too.
//
if (!*s->texname[2-j])
continue;
}
//write the channel
last = 0;
lm = lightmap[s->lightmap]->lightmaps;
lm += (s->lmy * HMLMSTRIDE + s->lmx) * lightmap_bytes;
for (y = 0; y < SECTTEXSIZE; y++)
{
for (x = 0; x < SECTTEXSIZE; x++)
{
delta = lm[x*4+j] - last;
last = lm[x*4+j];
Terr_Write_Byte(&strm, delta);
}
lm += (HMLMSTRIDE)*lightmap_bytes;
}
}
Sys_LockMutex(hm->entitylock);
Terr_Write_SInt(&strm, s->numents);
for (i = 0; i < s->numents; i++)
{
unsigned int mf;
//make sure we don't overflow. we should always be aligned at this point.
if (strm.pos > strm.maxsize/2)
{
VFS_WRITE(f, strm.buffer, strm.pos);
strm.pos = 0;
}
mf = 0;
if (s->ents[i]->ent.scale != 1)
mf |= TMF_SCALE;
Terr_Write_SInt(&strm, mf);
if (s->ents[i]->ent.model)
Terr_Write_String(&strm, s->ents[i]->ent.model->name);
else
Terr_Write_String(&strm, "*invalid");
Terr_Write_Float(&strm, s->ents[i]->ent.origin[0]+(CHUNKBIAS-sx)*hm->sectionsize);
Terr_Write_Float(&strm, s->ents[i]->ent.origin[1]+(CHUNKBIAS-sy)*hm->sectionsize);
Terr_Write_Float(&strm, s->ents[i]->ent.origin[2]);
Terr_Write_Float(&strm, s->ents[i]->ent.axis[0][0]);
Terr_Write_Float(&strm, s->ents[i]->ent.axis[0][1]);
Terr_Write_Float(&strm, s->ents[i]->ent.axis[0][2]);
Terr_Write_Float(&strm, s->ents[i]->ent.axis[1][0]);
Terr_Write_Float(&strm, s->ents[i]->ent.axis[1][1]);
Terr_Write_Float(&strm, s->ents[i]->ent.axis[1][2]);
Terr_Write_Float(&strm, s->ents[i]->ent.axis[2][0]);
Terr_Write_Float(&strm, s->ents[i]->ent.axis[2][1]);
Terr_Write_Float(&strm, s->ents[i]->ent.axis[2][2]);
if (mf & TMF_SCALE)
Terr_Write_Float(&strm, s->ents[i]->ent.scale);
}
Sys_UnlockMutex(hm->entitylock);
//reset it in case the buffer is getting a little full
strm.pos = (strm.pos + sizeof(int)-1) & ~(sizeof(int)-1);
VFS_WRITE(f, strm.buffer, strm.pos);
strm.pos = 0;
}
#ifndef SERVERONLY
static void Terr_WorkerLoadedSectionLightmap(void *ctx, void *data, size_t a, size_t b)
{
heightmap_t *hm = ctx;
hmsection_t *s = Terr_GetSection(hm, a, b, TGS_NOLOAD|TGS_ANYSTATE);
qbyte *inlm = data;
qbyte *outlm;
int y;
if (s)
if (lightmap_bytes == 4 && Terr_InitLightmap(s, false))
{
outlm = lightmap[s->lightmap]->lightmaps;
outlm += (s->lmy * HMLMSTRIDE + s->lmx) * lightmap_bytes;
for (y = 0; y < SECTTEXSIZE; y++)
{
memcpy(outlm, inlm, SECTTEXSIZE*4);
inlm += SECTTEXSIZE*4;
outlm += (HMLMSTRIDE)*lightmap_bytes;
}
}
BZ_Free(data);
}
#endif
#endif
static void *Terr_ReadV2(heightmap_t *hm, hmsection_t *s, void *ptr, int len)
{
#ifndef SERVERONLY
char modelname[MAX_QPATH];
qbyte last;
int y;
qboolean present;
qbyte *lmstart = NULL, *lm, delta;
#endif
struct terrstream_s strm = {ptr, len, 0};
float f;
int i, j, x;
unsigned int flags = Terr_Read_SInt(&strm);
s->flags |= flags & ~TSF_INTERNAL;
if (flags & TSF_HASHEIGHTS)
{
s->minh = s->maxh = s->heights[0] = Terr_Read_Float(&strm);
for (i = 1; i < SECTHEIGHTSIZE*SECTHEIGHTSIZE; i++)
{
f = Terr_Read_Float(&strm);
if (s->minh > f)
s->minh = f;
if (s->maxh < f)
s->maxh = f;
s->heights[i] = f;
}
}
else
{
s->minh = s->maxh = f = Terr_Read_Float(&strm);
for (i = 0; i < SECTHEIGHTSIZE*SECTHEIGHTSIZE; i++)
s->heights[i] = f;
}
for (i = 0; i < sizeof(s->holes); i++)
s->holes[i] = Terr_Read_Byte(&strm);
j = Terr_Read_SInt(&strm);
for (i = 0; i < j; i++)
{
struct hmwater_s *w = Z_Malloc(sizeof(*w));
int fl = Terr_Read_SInt(&strm);
w->next = s->water;
s->water = w;
w->simple = true;
w->contentmask = Terr_Read_SInt(&strm);
if (fl & 1)
Terr_Read_String(&strm, w->shadername, sizeof(w->shadername));
else
Q_strncpyz(w->shadername, hm->defaultwatershader, sizeof(w->shadername));
if (fl & 2)
{
for (x = 0; x < 8; x++)
w->holes[i] = Terr_Read_Byte(&strm);
w->simple = false;
}
if (fl & 4)
{
for (x = 0; x < 9*9; x++)
{
w->heights[x] = Terr_Read_Float(&strm);
}
w->simple = false;
}
else
{ //all heights the same can be used as a way to compress the data
w->minheight = w->maxheight = Terr_Read_Float(&strm);
for (x = 0; x < 9*9; x++)
w->heights[x] = w->minheight = w->maxheight;
}
}
//dedicated server can stop reading here.
#ifndef SERVERONLY
if (flags & TSF_HASCOLOURS)
{
for (i = 0; i < SECTHEIGHTSIZE*SECTHEIGHTSIZE; i++)
{
s->colours[i][0] = Terr_Read_Float(&strm);
s->colours[i][1] = Terr_Read_Float(&strm);
s->colours[i][2] = Terr_Read_Float(&strm);
s->colours[i][3] = Terr_Read_Float(&strm);
}
}
else
{
for (i = 0; i < SECTHEIGHTSIZE*SECTHEIGHTSIZE; i++)
{
s->colours[i][0] = 1;
s->colours[i][1] = 1;
s->colours[i][2] = 1;
s->colours[i][3] = 1;
}
}
for (j = 0; j < 4; j++)
Terr_Read_String(&strm, s->texname[j], sizeof(s->texname[j]));
for (j = 0; j < 4; j++)
{
if (j == 3)
present = !!(flags & TSF_HASSHADOW);
else
present = !!(*s->texname[2-j]);
//should be able to skip this if no shadows or textures
if (!lmstart)
lmstart = BZ_Malloc(SECTTEXSIZE*SECTTEXSIZE*4);
if (present)
{
//read the channel
last = 0;
lm = lmstart;
for (y = 0; y < SECTTEXSIZE; y++)
{
for (x = 0; x < SECTTEXSIZE; x++)
{
delta = Terr_Read_Byte(&strm);
last = (last+delta)&0xff;
lm[x*4+j] = last;
}
lm += x*4;
}
}
else
{
last = ((j==3)?255:0);
lm = lmstart;
for (y = 0; y < SECTTEXSIZE; y++)
{
for (x = 0; x < SECTTEXSIZE; x++)
lm[x*4+j] = last;
lm += x*4;
}
}
}
if (lmstart)
COM_AddWork(WG_MAIN, Terr_WorkerLoadedSectionLightmap, hm, lmstart, s->sx, s->sy);
/*load any static ents*/
j = Terr_Read_SInt(&strm);
for (i = 0; i < j; i++)
{
vec3_t axis[3];
vec3_t org;
unsigned int mf;
model_t *mod;
float scale;
mf = Terr_Read_SInt(&strm);
mod = Mod_FindName(Terr_Read_String(&strm, modelname, sizeof(modelname)));
org[0] = Terr_Read_Float(&strm);
org[1] = Terr_Read_Float(&strm);
org[2] = Terr_Read_Float(&strm);
axis[0][0] = Terr_Read_Float(&strm);
axis[0][1] = Terr_Read_Float(&strm);
axis[0][2] = Terr_Read_Float(&strm);
axis[1][0] = Terr_Read_Float(&strm);
axis[1][1] = Terr_Read_Float(&strm);
axis[1][2] = Terr_Read_Float(&strm);
axis[2][0] = Terr_Read_Float(&strm);
axis[2][1] = Terr_Read_Float(&strm);
axis[2][2] = Terr_Read_Float(&strm);
scale = (mf&TMF_SCALE)?Terr_Read_Float(&strm):1;
org[0] += (s->sx-CHUNKBIAS)*hm->sectionsize;
org[1] += (s->sy-CHUNKBIAS)*hm->sectionsize;
Terr_AddMesh(hm, TGS_NOLOAD, mod, NULL, org, axis, scale);
}
#endif
return ptr;
}
static void Terr_ClearSection(hmsection_t *s)
{
struct hmwater_s *w;
int i;
Sys_LockMutex(s->hmmod->entitylock);
for (i = 0; i < s->numents; i++)
s->ents[i]->refs-=1;
s->numents = 0;
Sys_UnlockMutex(s->hmmod->entitylock);
while(s->water)
{
w = s->water;
s->water = w->next;
Z_Free(w);
}
}
static void Terr_GenerateDefault(heightmap_t *hm, hmsection_t *s)
{
int i;
memset(s->holes, 0, sizeof(s->holes));
#ifndef SERVERONLY
Q_strncpyz(s->texname[0], "", sizeof(s->texname[0]));
Q_strncpyz(s->texname[1], "", sizeof(s->texname[1]));
Q_strncpyz(s->texname[2], "", sizeof(s->texname[2]));
Q_strncpyz(s->texname[3], hm->defaultgroundtexture, sizeof(s->texname[3]));
if (s->lightmap >= 0)
{
int j;
qbyte *lm;
lm = lightmap[s->lightmap]->lightmaps;
lm += (s->lmy * HMLMSTRIDE + s->lmx) * lightmap_bytes;
for (i = 0; i < SECTTEXSIZE; i++)
{
for (j = 0; j < SECTTEXSIZE; j++)
{
lm[j*4+0] = 0;
lm[j*4+0] = 0;
lm[j*4+0] = 0;
lm[j*4+3] = 255;
}
lm += (HMLMSTRIDE)*lightmap_bytes;
}
lightmap[s->lightmap]->modified = true;
lightmap[s->lightmap]->rectchange.l = 0;
lightmap[s->lightmap]->rectchange.t = 0;
lightmap[s->lightmap]->rectchange.r = HMLMSTRIDE;
lightmap[s->lightmap]->rectchange.b = HMLMSTRIDE;
}
for (i = 0; i < SECTHEIGHTSIZE*SECTHEIGHTSIZE; i++)
{
s->colours[i][0] = 1;
s->colours[i][1] = 1;
s->colours[i][2] = 1;
s->colours[i][3] = 1;
}
s->mesh.colors4f_array[0] = s->colours;
#endif
for (i = 0; i < SECTHEIGHTSIZE*SECTHEIGHTSIZE; i++)
s->heights[i] = hm->defaultgroundheight;
if (hm->defaultwaterheight > hm->defaultgroundheight)
Terr_GenerateWater(s, hm->defaultwaterheight);
#if 0//def DEBUG
void *f;
if (lightmap_bytes == 4 && lightmap_bgra && FS_LoadFile(va("maps/%s/splatt.png", hm->path), &f) != (qofs_t)-1)
{
//temp
int vx, vy;
int x, y;
extern qbyte *Read32BitImageFile(qbyte *buf, int len, int *width, int *height, qboolean *hasalpha, const char *fname);
int sw, sh;
qboolean hasalpha;
unsigned char *splatter = Read32BitImageFile(f, com_filesize, &sw, &sh, &hasalpha, "splattermap");
if (splatter)
{
lm = lightmap[s->lightmap]->lightmaps;
lm += (s->lmy * HMLMSTRIDE + s->lmx) * lightmap_bytes;
for (vx = 0; vx < SECTTEXSIZE; vx++)
{
x = sw * (((float)sy) + ((float)vx / (SECTTEXSIZE-1))) / hm->numsegsx;
if (x > sw-1)
x = sw-1;
for (vy = 0; vy < SECTTEXSIZE; vy++)
{
y = sh * (((float)sx) + ((float)vy / (SECTTEXSIZE-1))) / hm->numsegsy;
if (y > sh-1)
y = sh-1;
lm[2] = splatter[(y + x*sh)*4+0];
lm[1] = splatter[(y + x*sh)*4+1];
lm[0] = splatter[(y + x*sh)*4+2];
lm[3] = splatter[(y + x*sh)*4+3];
lm += 4;
}
lm += (HMLMSTRIDE - SECTTEXSIZE)*lightmap_bytes;
}
BZ_Free(splatter);
lightmap[s->lightmap]->modified = true;
lightmap[s->lightmap]->rectchange.l = 0;
lightmap[s->lightmap]->rectchange.t = 0;
lightmap[s->lightmap]->rectchange.w = HMLMSTRIDE;
lightmap[s->lightmap]->rectchange.h = HMLMSTRIDE;
}
FS_FreeFile(f);
}
if (lightmap_bytes == 4 && lightmap_bgra && !qofs_Error(FS_LoadFile(va("maps/%s/heightmap.png", hm->path), &f)))
{
//temp
int vx, vy;
int x, y;
extern qbyte *Read32BitImageFile(qbyte *buf, int len, int *width, int *height, qboolean *hasalpha, const char *fname);
int sw, sh;
float *h;
qboolean hasalpha;
unsigned char *hmimage = Read32BitImageFile(f, com_filesize, &sw, &sh, &hasalpha, "heightmap");
if (hmimage)
{
h = s->heights;
for (vx = 0; vx < SECTHEIGHTSIZE; vx++)
{
x = sw * (((float)sy) + ((float)vx / (SECTHEIGHTSIZE-1))) / hm->numsegsx;
if (x > sw-1)
x = sw-1;
for (vy = 0; vy < SECTHEIGHTSIZE; vy++)
{
y = sh * (((float)sx) + ((float)vy / (SECTHEIGHTSIZE-1))) / hm->numsegsy;
if (y > sh-1)
y = sh-1;
*h = 0;
*h += hmimage[(y + x*sh)*4+0];
*h += hmimage[(y + x*sh)*4+1]<<8;
*h += hmimage[(y + x*sh)*4+2]<<16;
*h *= 4.0f/(1<<16);
h++;
}
}
BZ_Free(hmimage);
}
FS_FreeFile(f);
}
#endif
}
static void Terr_WorkerLoadedSection(void *ctx, void *data, size_t a, size_t b)
{
hmsection_t *s = ctx;
validatelinks(&s->hmmod->recycle);
Terr_LoadSectionTextures(s);
validatelinks2(&s->hmmod->recycle, &s->recycle);
InsertLinkBefore(&s->recycle, &s->hmmod->recycle);
validatelinks(&s->hmmod->recycle);
s->hmmod->loadingsections-=1;
s->flags &= ~TSF_EDITED;
s->loadstate = TSLS_LOADED;
s->timestamp = realtime;
validatelinks(&s->hmmod->recycle);
}
static void Terr_WorkerFailedSection(void *ctx, void *data, size_t a, size_t b)
{
hmsection_t *s = ctx;
Terr_WorkerLoadedSection(ctx, data, a, b);
s->flags &= ~TSF_EDITED;
s->loadstate = TSLS_FAILED;
validatelinks(&s->hmmod->recycle);
}
void QDECL Terr_FinishedSection(hmsection_t *s, qboolean success)
{
s->flags &= ~TSF_EDITED; //its just been loaded (and was probably edited by the loader), make sure it doesn't get saved or whatever
s->loadstate = TSLS_LOADING2;
if (!success)
COM_AddWork(WG_MAIN, Terr_WorkerFailedSection, s, NULL, s->sx, s->sy);
else
COM_AddWork(WG_MAIN, Terr_WorkerLoadedSection, s, NULL, s->sx, s->sy);
}
static hmsection_t *Terr_ReadSection(heightmap_t *hm, hmsection_t *s, int ver, void *filebase, unsigned int filelen)
{
qboolean failed = false;
void *ptr = filebase;
if (ptr && ver == 1)
Terr_ReadV1(hm, s, ptr, filelen);
else if (ptr && ver == 2)
Terr_ReadV2(hm, s, ptr, filelen);
else
{
// s->flags |= TSF_RELIGHT;
Terr_GenerateDefault(hm, s);
failed = true;
}
Terr_FinishedSection(s, !failed);
return s;
}
#ifndef SERVERONLY
qboolean Terr_DownloadedSection(char *fname)
{
/*
qofs_t len;
dsection_t *fileptr;
int x, y;
heightmap_t *hm;
int ver = 0;
if (!cl.worldmodel)
return false;
hm = cl.worldmodel->terrain;
if (Terr_IsSectionFName(hm, fname, &x, &y))
{
fileptr = NULL;
len = FS_LoadFile(fname, (void**)&fileptr);
if (!qofs_Error(len) && len >= sizeof(*fileptr) && fileptr->magic == SECTION_MAGIC)
Terr_ReadSection(hm, ver, x, y, fileptr+1, len - sizeof(*fileptr));
else
Terr_ReadSection(hm, ver, x, y, NULL, 0);
if (fileptr)
FS_FreeFile(fileptr);
return true;
}
*/
return false;
}
#endif
#ifndef SERVERONLY
static void Terr_LoadSection(heightmap_t *hm, hmsection_t *s, int sx, int sy, unsigned int flags)
{
//when using networked terrain, the client will never load a section from disk, but will only load it from the server
//one section at a time.
if (mod_terrain_networked.ival && !sv.state)
{
char fname[MAX_QPATH];
if (flags & TGS_NODOWNLOAD)
return;
//try to download it now...
if (!cl.downloadlist)
CL_CheckOrEnqueDownloadFile(Terr_DiskSectionName(hm, sx, sy, fname, sizeof(fname)), Terr_TempDiskSectionName(hm, sx, sy), DLLF_OVERWRITE|DLLF_TEMPORARY);
return;
}
if (!s)
{
Terr_GenerateSection(hm, sx, sy, true);
}
}
#endif
static void Terr_LoadSectionWorker(void *ctx, void *data, size_t a, size_t b)
{
heightmap_t *hm = data;
hmsection_t *s = ctx;
int sx = a;
int sy = b;
void *diskimage;
qofs_t len;
char fname[MAX_QPATH];
//already processed, or not otherwise valid
if (s->loadstate != TSLS_LOADING0)
return;
#if SECTIONSPERBLOCK > 1
len = FS_LoadFile(Terr_DiskBlockName(hm, sx, sy, fname, sizeof(fname)), (void**)&diskimage);
if (!qofs_Error(len))
{
int offset;
int x, y;
int ver;
dblock_t *block = diskimage;
if (block->magic != SECTION_MAGIC || !(block->ver & 0x80000000))
{
s = Terr_GenerateSection(hm, sx, sy, false);
//give it a dummy so we don't constantly hit the disk
Terr_ReadSection(hm, s, 0, NULL, 0);
}
else
{
hmsection_t *sects[SECTIONSPERBLOCK*SECTIONSPERBLOCK];
sx&=~(SECTIONSPERBLOCK-1);
sy&=~(SECTIONSPERBLOCK-1);
ver = block->ver & ~0x80000000;
if (Terr_GenerateSections(hm, sx, sy, SECTIONSPERBLOCK, sects))
{
for (y = 0; y < SECTIONSPERBLOCK; y++)
for (x = 0; x < SECTIONSPERBLOCK; x++)
{
//noload avoids recursion.
s = sects[x+y*SECTIONSPERBLOCK];
if (s)
{
offset = block->offset[x + y*SECTIONSPERBLOCK];
if (!offset)
Terr_ReadSection(hm, s, ver, NULL, 0); //no data in the file for this section
else
Terr_ReadSection(hm, s, ver, (char*)diskimage + offset, len - offset);
}
}
}
}
FS_FreeFile(diskimage);
return;
}
#endif
//legacy one-section-per-file format.
len = FS_LoadFile(Terr_DiskSectionName(hm, sx, sy, fname, sizeof(fname)), (void**)&diskimage);
if (!qofs_Error(len))
{
dsection_t *h = diskimage;
if (len >= sizeof(*h) && h->magic == SECTION_MAGIC)
{
s = Terr_GenerateSection(hm, sx, sy, false);
if (!s)
return;
Terr_ReadSection(hm, s, h->ver, h+1, len-sizeof(*h));
FS_FreeFile(diskimage);
return;
}
if (diskimage)
FS_FreeFile(diskimage);
}
if (terrainfuncs.AutogenerateSection && terrainfuncs.AutogenerateSection(hm, sx, sy, 0))
return;
s = Terr_GenerateSection(hm, sx, sy, false);
if (!s)
return;
//generate a dummy one
Terr_ReadSection(hm, s, 0, NULL, 0);
}
#ifndef SERVERONLY
static void Terr_SaveV1(heightmap_t *hm, hmsection_t *s, vfsfile_t *f, int sx, int sy)
{
int i;
dsmesh_v1_t dm;
qbyte *lm;
dsection_v1_t ds;
vec4_t dcolours[SECTHEIGHTSIZE*SECTHEIGHTSIZE];
int nothing = 0;
struct hmwater_s *w = s->water;
memset(&ds, 0, sizeof(ds));
memset(&dm, 0, sizeof(dm));
//mask off the flags which are only valid in memory
ds.flags = s->flags & ~(TSF_INTERNAL|TSF_HASWATER_V0);
//kill the haswater flag if its entirely above any possible water anyway.
if (w)
ds.flags |= TSF_HASWATER_V0;
ds.flags &= ~TSF_HASCOLOURS; //recalculated
Q_strncpyz(ds.texname[0], s->texname[0], sizeof(ds.texname[0]));
Q_strncpyz(ds.texname[1], s->texname[1], sizeof(ds.texname[1]));
Q_strncpyz(ds.texname[2], s->texname[2], sizeof(ds.texname[2]));
Q_strncpyz(ds.texname[3], s->texname[3], sizeof(ds.texname[3]));
for (i = 0; i < 8*8; i++)
{
int x = (i & 7);
int y = (i>>3);
int b = (1u<<(x>>1)) << ((y>>1)<<2);
if (s->holes[y] & (1u<<x))
ds.holes |= b;
}
//make sure the user can see the holes they just saved.
memset(s->holes, 0, sizeof(s->holes));
for (i = 0; i < 8*8; i++)
{
int x = (i & 7);
int y = (i>>3);
int b = (1u<<(x>>1)) << ((y>>1)<<2);
if (ds.holes & b)
s->holes[y] |= 1u<<x;
}
s->flags |= TSF_DIRTY;
lm = lightmap[s->lightmap]->lightmaps;
lm += (s->lmy * HMLMSTRIDE + s->lmx) * lightmap_bytes;
for (i = 0; i < SECTTEXSIZE; i++)
{
memcpy(ds.texmap + i, lm, sizeof(ds.texmap[0]));
lm += (HMLMSTRIDE)*lightmap_bytes;
}
for (i = 0; i < SECTHEIGHTSIZE*SECTHEIGHTSIZE; i++)
{
ds.heights[i] = LittleFloat(s->heights[i]);
if (s->colours[i][0] != 1 || s->colours[i][1] != 1 || s->colours[i][2] != 1 || s->colours[i][3] != 1)
{
ds.flags |= TSF_HASCOLOURS;
dcolours[i][0] = LittleFloat(s->colours[i][0]);
dcolours[i][1] = LittleFloat(s->colours[i][1]);
dcolours[i][2] = LittleFloat(s->colours[i][2]);
dcolours[i][3] = LittleFloat(s->colours[i][3]);
}
else
{
dcolours[i][0] = dcolours[i][1] = dcolours[i][2] = dcolours[i][3] = LittleFloat(1);
}
}
ds.waterheight = w?w->heights[4*8+4]:s->minh;
ds.minh = s->minh;
ds.maxh = s->maxh;
Sys_LockMutex(hm->entitylock);
ds.ents_num = s->numents;
VFS_WRITE(f, &ds, sizeof(ds));
if (ds.flags & TSF_HASCOLOURS)
VFS_WRITE(f, dcolours, sizeof(dcolours));
for (i = 0; i < s->numents; i++)
{
int pad;
dm.scale = s->ents[i]->ent.scale;
VectorCopy(s->ents[i]->ent.axis[0], dm.axisorg[0]);
VectorCopy(s->ents[i]->ent.axis[1], dm.axisorg[1]);
VectorCopy(s->ents[i]->ent.axis[2], dm.axisorg[2]);
VectorCopy(s->ents[i]->ent.origin, dm.axisorg[3]);
dm.axisorg[3][0] += (CHUNKBIAS-sx)*hm->sectionsize;
dm.axisorg[3][1] += (CHUNKBIAS-sy)*hm->sectionsize;
dm.size = sizeof(dm) + strlen(s->ents[i]->ent.model->name) + 1;
if (dm.size & 3)
pad = 4 - (dm.size&3);
else
pad = 0;
dm.size += pad;
VFS_WRITE(f, &dm, sizeof(dm));
VFS_WRITE(f, s->ents[i]->ent.model->name, strlen(s->ents[i]->ent.model->name)+1);
if (pad)
VFS_WRITE(f, &nothing, pad);
}
Sys_UnlockMutex(hm->entitylock);
}
static void Terr_Save(heightmap_t *hm, hmsection_t *s, vfsfile_t *f, int sx, int sy, int ver)
{
if (ver == 1)
Terr_SaveV1(hm, s, f, sx, sy);
else if (ver == 2)
Terr_SaveV2(hm, s, f, sx, sy);
}
#endif
//doesn't clear edited/dirty flags or anything
static qboolean Terr_SaveSection(heightmap_t *hm, hmsection_t *s, int sx, int sy, qboolean blocksave)
{
#ifdef SERVERONLY
return true;
#else
vfsfile_t *f;
char fname[MAX_QPATH];
int x, y;
int writever = mod_terrain_savever.ival;
if (!writever)
writever = SECTION_VER_DEFAULT;
//if its invalid or doesn't contain all the data...
if (!s || s->lightmap < 0)
return true;
#if SECTIONSPERBLOCK > 1
if (blocksave)
{
dblock_t dbh;
sx = sx & ~(SECTIONSPERBLOCK-1);
sy = sy & ~(SECTIONSPERBLOCK-1);
//make sure its loaded before we replace the file
for (y = 0; y < SECTIONSPERBLOCK; y++)
{
for (x = 0; x < SECTIONSPERBLOCK; x++)
{
s = Terr_GetSection(hm, sx+x, sy+y, TGS_WAITLOAD|TGS_NODOWNLOAD);
if (s)
s->flags |= TSF_EDITED; //stop them from getting reused for something else.
}
}
//make sure all lightmap info was loaded.
COM_WorkerFullSync();
Terr_DiskBlockName(hm, sx, sy, fname, sizeof(fname));
FS_CreatePath(fname, FS_GAMEONLY);
f = FS_OpenVFS(fname, "wb", FS_GAMEONLY);
if (!f)
{
Con_Printf("Failed to open %s\n", fname);
return false;
}
memset(&dbh, 0, sizeof(dbh));
dbh.magic = LittleLong(SECTION_MAGIC);
dbh.ver = LittleLong(writever | 0x80000000);
VFS_WRITE(f, &dbh, sizeof(dbh));
for (y = 0; y < SECTIONSPERBLOCK; y++)
{
for (x = 0; x < SECTIONSPERBLOCK; x++)
{
s = Terr_GetSection(hm, sx+x, sy+y, TGS_WAITLOAD|TGS_NODOWNLOAD);
if (s && s->loadstate == TSLS_LOADED && Terr_InitLightmap(s, false))
{
dbh.offset[y*SECTIONSPERBLOCK + x] = VFS_TELL(f);
Terr_Save(hm, s, f, sx+x, sy+y, writever);
s->flags &= ~TSF_EDITED;
}
else
dbh.offset[y*SECTIONSPERBLOCK + x] = 0;
}
}
VFS_SEEK(f, 0);
VFS_WRITE(f, &dbh, sizeof(dbh));
VFS_CLOSE(f);
FS_FlushFSHashWritten(fname);
}
else
#endif
{
dsection_t dsh;
Terr_DiskSectionName(hm, sx, sy, fname, sizeof(fname));
// if (s && (s->flags & (TSF_EDITED|TSF_FAILEDLOAD)) != TSF_FAILEDLOAD)
// return FS_Remove(fname, FS_GAMEONLY); //delete the file if the section got reverted to default, and wasn't later modified.
//make sure all lightmap info was loaded.
COM_WorkerFullSync();
FS_CreatePath(fname, FS_GAMEONLY);
f = FS_OpenVFS(fname, "wb", FS_GAMEONLY);
if (!f)
{
Con_Printf("Failed to open %s\n", fname);
return false;
}
memset(&dsh, 0, sizeof(dsh));
dsh.magic = SECTION_MAGIC;
dsh.ver = writever;
VFS_WRITE(f, &dsh, sizeof(dsh));
Terr_Save(hm, s, f, sx, sy, writever);
VFS_CLOSE(f);
FS_FlushFSHashWritten(fname);
}
return true;
#endif
}
/*convienience function*/
static hmsection_t *QDECL Terr_GetSection(heightmap_t *hm, int x, int y, unsigned int flags)
{
hmcluster_t *cluster;
hmsection_t *section;
int cx = x / MAXSECTIONS;
int cy = y / MAXSECTIONS;
int sx = x & (MAXSECTIONS-1);
int sy = y & (MAXSECTIONS-1);
cluster = hm->cluster[cx + cy*MAXCLUSTERS];
if (!cluster)
section = NULL;
else
section = cluster->section[sx + sy*MAXSECTIONS];
if (!section)
{
if (flags & (TGS_LAZYLOAD|TGS_TRYLOAD|TGS_WAITLOAD))
{
if ((flags & TGS_LAZYLOAD) && hm->loadingsections)
return NULL;
section = Terr_GenerateSection(hm, x, y, true);
}
}
#ifndef SERVERONLY
//when using networked terrain, the client will never load a section from disk, but only loading it from the server
//this means we need to send a new request to download the section if it was flagged as modified.
if (!(flags & TGS_NODOWNLOAD))
if (section && (section->flags & TSF_NOTIFY) && mod_terrain_networked.ival && !sv.state)
{
//try to download it now...
if (!cl.downloadlist)
{
char fname[MAX_QPATH];
CL_CheckOrEnqueDownloadFile(Terr_DiskSectionName(hm, x, y, fname, sizeof(fname)), Terr_TempDiskSectionName(hm, x, y), DLLF_OVERWRITE|DLLF_TEMPORARY);
section->flags &= ~TSF_NOTIFY;
}
}
#endif
if (section && section->loadstate != TSLS_LOADED)
{
//wait for it to load if we're meant to be doing that.
if (flags & TGS_WAITLOAD)
{
//wait for it to load if we're meant to be doing that.
if (section->loadstate == TSLS_LOADING0)
COM_WorkerPartialSync(section, &section->loadstate, TSLS_LOADING0);
if (section->loadstate == TSLS_LOADING1)
COM_WorkerPartialSync(section, &section->loadstate, TSLS_LOADING1);
if (section->loadstate == TSLS_LOADING2)
COM_MainThreadFlush(); //make sure any associated lightmaps also got read+handled
}
//if it failed, generate a default (for editing)
if (section->loadstate == TSLS_FAILED && ((flags & TGS_DEFAULTONFAIL) || hm->forcedefault))
{
section->flags = (section->flags & ~TSF_EDITED);
section->loadstate = TSLS_LOADED;
Terr_ClearSection(section);
Terr_GenerateDefault(hm, section);
}
if ((section->loadstate != TSLS_LOADED) && !(flags & TGS_ANYSTATE))
section = NULL;
}
if (section)
section->timestamp = realtime;
return section;
}
/*save all currently loaded sections*/
int Heightmap_Save(heightmap_t *hm)
{
hmsection_t *s;
int x, y;
int sectionssaved = 0;
for (x = hm->firstsegx; x < hm->maxsegx; x++)
{
for (y = hm->firstsegy; y < hm->maxsegy; y++)
{
s = Terr_GetSection(hm, x, y, TGS_NOLOAD);
if (!s)
continue;
if (s->flags & TSF_EDITED)
{
/* //make sure all the parts are loaded before trying to write them, so we don't try reading partial files, which would be bad, mmkay?
for (sy = y&~(SECTIONSPERBLOCK-1); sy < y+SECTIONSPERBLOCK && sy < hm->maxsegy; sy++)
{
for (sx = x&~(SECTIONSPERBLOCK-1); sx < x+SECTIONSPERBLOCK && sx < hm->maxsegx; sx++)
{
os = Terr_GetSection(hm, sx, sy, TGS_WAITLOAD|TGS_NODOWNLOAD|TGS_NORENDER);
if (os)
os->flags |= TSF_EDITED;
}
}
*/
if (Terr_SaveSection(hm, s, x, y, true))
{
s->flags &= ~TSF_EDITED;
sectionssaved++;
}
}
}
}
return sectionssaved;
}
#ifndef CLIENTONLY
//on servers, we can get requests to download current map sections. if so, give them it.
qboolean Terrain_LocateSection(const char *name, flocation_t *loc)
{
heightmap_t *hm;
hmsection_t *s;
int x, y;
char fname[MAX_QPATH];
//reject if its not in maps
if (Q_strncasecmp(name, "maps/", 5))
return false;
if (!sv.world.worldmodel)
return false;
hm = sv.world.worldmodel->terrain;
if (!Terr_IsSectionFName(hm, name, &x, &y))
return false;
//verify that its valid
if (strcmp(name, Terr_DiskSectionName(hm, x, y, fname, sizeof(fname))))
return false;
s = Terr_GetSection(hm, x, y, TGS_NOLOAD);
if (!s || !(s->flags & TSF_EDITED))
return false; //its not been edited, might as well just use the regular file
if (!Terr_SaveSection(hm, s, x, y, false))
return false;
return FS_FLocateFile(name, FSLF_IFFOUND, loc);
}
#endif
void Terr_DestroySection(heightmap_t *hm, hmsection_t *s, qboolean lightmapreusable)
{
if (s && s->loadstate == TSLS_LOADING0)
COM_WorkerPartialSync(s, &s->loadstate, TSLS_LOADING0);
if (s && s->loadstate == TSLS_LOADING1)
COM_WorkerPartialSync(s, &s->loadstate, TSLS_LOADING1);
if (s && s->loadstate == TSLS_LOADING2)
COM_MainThreadFlush(); //make sure any associated lightmaps also got read+handled
if (!s || s->loadstate < TSLS_LOADING2)
return;
validatelinks(&hm->recycle);
RemoveLink(&s->recycle);
validatelinks(&s->hmmod->recycle);
Terr_ClearSection(s);
#ifndef SERVERONLY
if (s->lightmap >= 0)
{
struct lmsect_s *lms;
if (lightmapreusable)
{
lms = BZ_Malloc(sizeof(*lms));
lms->lm = s->lightmap;
lms->x = s->lmx;
lms->y = s->lmy;
lms->next = hm->unusedlmsects;
hm->unusedlmsects = lms;
hm->numunusedlmsects++;
}
hm->numusedlmsects--;
}
if (hm->relight == s)
hm->relight = NULL;
#ifdef GLQUAKE
if (qrenderer == QR_OPENGL)
{
if (qglDeleteBuffersARB)
{
qglDeleteBuffersARB(1, &s->vbo.coord.gl.vbo);
s->vbo.coord.gl.vbo = 0;
qglDeleteBuffersARB(1, &s->vbo.indicies.gl.vbo);
s->vbo.indicies.gl.vbo = 0;
}
}
else
#endif
{
BE_ClearVBO(&s->vbo, true);
}
Z_Free(s->ents);
Z_Free(s->mesh.xyz_array);
Z_Free(s->mesh.indexes);
#endif
Z_Free(s);
hm->activesections--;
validatelinks(&hm->recycle);
}
#ifndef SERVERONLY
//dedicated servers do not support editing. no lightmap info causes problems.
//when a terrain section has the notify flag set on the server, the server needs to go through and set out notifications to replicate it to the various clients
//so the clients know to re-download the section.
static void Terr_DoEditNotify(heightmap_t *hm)
{
int i;
char *cmd;
hmsection_t *s;
link_t *ln = &hm->recycle;
if (!sv.state)
return;
for (i = 0; i < sv.allocated_client_slots; i++)
{
if (svs.clients[i].state >= cs_connected && svs.clients[i].netchan.remote_address.type != NA_LOOPBACK)
{
if (svs.clients[i].backbuf.cursize)
return;
}
}
for (ln = &hm->recycle; ln->next != &hm->recycle; ln = &s->recycle)
{
s = (hmsection_t*)ln->next;
if (s->flags & TSF_NOTIFY)
{
s->flags &= ~TSF_NOTIFY;
cmd = va("mod_terrain_reload %s %i %i\n", hm->path, s->sx - CHUNKBIAS, s->sy - CHUNKBIAS);
for (i = 0; i < sv.allocated_client_slots; i++)
{
if (svs.clients[i].state >= cs_connected && svs.clients[i].netchan.remote_address.type != NA_LOOPBACK)
{
SV_StuffcmdToClient(&svs.clients[i], cmd);
}
}
return;
}
}
}
#ifndef SERVERONLY
//garbage collect the oldest section, to make space for another
static qboolean Terr_Collect(heightmap_t *hm)
{
hmcluster_t *c;
hmsection_t *s;
int cx, cy;
int sx, sy;
float timeout = realtime-2; //must used no later than 2 seconds in the past
link_t *ln = &hm->recycle;
validatelinks(&hm->recycle);
for (ln = &hm->recycle; ln->next != &hm->recycle; )
{
s = (hmsection_t*)ln->next;
if ((s->flags & TSF_EDITED) || s->loadstate <= TSLS_LOADING2 || s->timestamp > timeout)
ln = &s->recycle;
else
{
cx = s->sx/MAXSECTIONS;
cy = s->sy/MAXSECTIONS;
c = hm->cluster[cx + cy*MAXCLUSTERS];
sx = s->sx & (MAXSECTIONS-1);
sy = s->sy & (MAXSECTIONS-1);
if (c->section[sx+sy*MAXSECTIONS] != s)
Sys_Error("invalid section collection");
c->section[sx+sy*MAXSECTIONS] = NULL;
#if 0
if (hm->relight == s)
hm->relight = NULL;
RemoveLink(&s->recycle);
InsertLinkAfter(&s->recycle, &hm->collected);
hm->activesections--;
#else
Terr_DestroySection(hm, s, true);
#endif
validatelinks(&hm->recycle);
return true;
}
}
return false;
}
#endif
#endif
/*purge all sections, but not root
lightmaps only are purged whenever the client rudely kills lightmaps (purges all lightmaps on map changes, to cope with models/maps potentially being unloaded)
we'll reload those when its next seen.
(lightmaps will already have been destroyed, so no poking them)
*/
void Terr_PurgeTerrainModel(model_t *mod, qboolean lightmapsonly, qboolean lightmapreusable)
{
heightmap_t *hm = mod->terrain;
hmcluster_t *c;
hmsection_t *s;
int cx, cy;
int sx, sy;
COM_WorkerFullSync(); //should probably be inside the caller or something. make sure there's no loaders still loading lightmaps when lightmaps are going to be nuked.
validatelinks(&hm->recycle);
// Con_Printf("PrePurge: %i lm chunks used, %i unused\n", hm->numusedlmsects, hm->numunusedlmsects);
for (cy = 0; cy < MAXCLUSTERS; cy++)
for (cx = 0; cx < MAXCLUSTERS; cx++)
{
int numremaining = 0;
c = hm->cluster[cx + cy*MAXCLUSTERS];
if (!c)
continue;
for (sy = 0; sy < MAXSECTIONS; sy++)
for (sx = 0; sx < MAXSECTIONS; sx++)
{
s = c->section[sx + sy*MAXSECTIONS];
if (!s)
{
}
else if (lightmapsonly)
{
numremaining++;
#ifndef SERVERONLY
s->lightmap = -1;
#endif
}
else
{
c->section[sx+sy*MAXSECTIONS] = NULL;
validatelinks(&hm->recycle);
Terr_DestroySection(hm, s, lightmapreusable);
validatelinks(&hm->recycle);
}
}
if (!numremaining)
{
hm->cluster[cx + cy*MAXSECTIONS] = NULL;
BZ_Free(c);
validatelinks(&hm->recycle);
}
}
validatelinks(&hm->recycle);
#ifndef SERVERONLY
if (!lightmapreusable)
{
while (hm->unusedlmsects)
{
struct lmsect_s *lms;
lms = hm->unusedlmsects;
hm->unusedlmsects = lms->next;
BZ_Free(lms);
hm->numunusedlmsects--;
}
hm->recalculatebrushlighting = true;
BZ_Free(hm->brushlmremaps);
hm->brushlmremaps = NULL;
hm->brushmaxlms = 0;
}
#endif
validatelinks(&hm->recycle);
// Con_Printf("PostPurge: %i lm chunks used, %i unused\n", hm->numusedlmsects, hm->numunusedlmsects);
}
void Terr_FreeModel(model_t *mod)
{
heightmap_t *hm = mod->terrain;
if (hm)
{
validatelinks(&hm->recycle);
while(hm->numbrushes)
Terr_Brush_DeleteIdx(hm, hm->numbrushes-1);
while(hm->brushtextures)
{
brushtex_t *bt = hm->brushtextures;
#ifndef SERVERONLY
brushbatch_t *bb;
while((bb = bt->batches))
{
bt->batches = bb->next;
BE_VBO_Destroy(&bb->vbo.coord, bb->vbo.vbomem);
BE_VBO_Destroy(&bb->vbo.indicies, bb->vbo.ebomem);
BZ_Free(bb);
}
#endif
hm->brushtextures = bt->next;
BZ_Free(bt);
}
#ifdef RUNTIMELIGHTING
if (hm->relightcontext)
LightShutdown(hm->relightcontext, mod);
if (hm->lightthreadmem && !hm->inheritedlightthreadmem)
BZ_Free(hm->lightthreadmem);
#endif
BZ_Free(hm->wbrushes);
Terr_PurgeTerrainModel(mod, false, false);
while(hm->entities)
{
struct hmentity_s *n = hm->entities->next;
Z_Free(hm->entities);
hm->entities = n;
}
Sys_DestroyMutex(hm->entitylock);
Z_Free(hm->seed);
Z_Free(hm);
mod->terrain = NULL;
}
}
#ifndef SERVERONLY
void Terr_DrawTerrainWater(heightmap_t *hm, float *mins, float *maxs, struct hmwater_s *w)
{
scenetris_t *t;
int flags = BEF_NOSHADOWS;
int firstv;
int y, x;
//need to filter by height too, or reflections won't work properly.
if (cl_numstris && cl_stris[cl_numstris-1].shader == w->shader && cl_stris[cl_numstris-1].flags == flags && cl_strisvertv[cl_stris[cl_numstris-1].firstvert][2] == w->maxheight)
{
t = &cl_stris[cl_numstris-1];
}
else
{
if (cl_numstris == cl_maxstris)
{
cl_maxstris+=8;
cl_stris = BZ_Realloc(cl_stris, sizeof(*cl_stris)*cl_maxstris);
}
t = &cl_stris[cl_numstris++];
t->shader = w->shader;
t->flags = flags;
t->firstidx = cl_numstrisidx;
t->firstvert = cl_numstrisvert;
t->numvert = 0;
t->numidx = 0;
}
if (!w->simple)
{
float step = (maxs[0] - mins[0]) / 8;
if (cl_numstrisidx+9*9*6 > cl_maxstrisidx)
{
cl_maxstrisidx=cl_numstrisidx+12 + 9*9*6*4;
cl_strisidx = BZ_Realloc(cl_strisidx, sizeof(*cl_strisidx)*cl_maxstrisidx);
}
if (cl_numstrisvert+9*9 > cl_maxstrisvert)
{
cl_maxstrisvert+=9*9+64;
cl_strisvertv = BZ_Realloc(cl_strisvertv, sizeof(*cl_strisvertv)*cl_maxstrisvert);
cl_strisvertt = BZ_Realloc(cl_strisvertt, sizeof(*cl_strisvertt)*cl_maxstrisvert);
cl_strisvertc = BZ_Realloc(cl_strisvertc, sizeof(*cl_strisvertc)*cl_maxstrisvert);
}
firstv = t->numvert;
for (y = 0; y < 9; y++)
{
for (x = 0; x < 9; x++)
{
cl_strisvertv[cl_numstrisvert][0] = mins[0] + step*x;
cl_strisvertv[cl_numstrisvert][1] = mins[1] + step*y;
cl_strisvertv[cl_numstrisvert][2] = w->heights[x + y*9];
cl_strisvertt[cl_numstrisvert][0] = cl_strisvertv[cl_numstrisvert][0]/64;
cl_strisvertt[cl_numstrisvert][1] = cl_strisvertv[cl_numstrisvert][1]/64;
Vector4Set(cl_strisvertc[cl_numstrisvert], 1,1,1,1)
cl_numstrisvert++;
}
}
for (y = 0; y < 8; y++)
{
for (x = 0; x < 8; x++)
{
if (w->holes[y] & (1u<<x))
continue;
cl_strisidx[cl_numstrisidx++] = firstv+(x+0)+(y+0)*9;
cl_strisidx[cl_numstrisidx++] = firstv+(x+0)+(y+1)*9;
cl_strisidx[cl_numstrisidx++] = firstv+(x+1)+(y+0)*9;
cl_strisidx[cl_numstrisidx++] = firstv+(x+1)+(y+0)*9;
cl_strisidx[cl_numstrisidx++] = firstv+(x+0)+(y+1)*9;
cl_strisidx[cl_numstrisidx++] = firstv+(x+1)+(y+1)*9;
}
}
t->numidx = cl_numstrisidx - t->firstidx;
t->numvert = cl_numstrisvert - t->firstvert;
}
else
{
if (cl_numstrisidx+12 > cl_maxstrisidx)
{
cl_maxstrisidx=cl_numstrisidx+12 + 64;
cl_strisidx = BZ_Realloc(cl_strisidx, sizeof(*cl_strisidx)*cl_maxstrisidx);
}
if (cl_numstrisvert+4 > cl_maxstrisvert)
{
cl_maxstrisvert+=64;
cl_strisvertv = BZ_Realloc(cl_strisvertv, sizeof(*cl_strisvertv)*cl_maxstrisvert);
cl_strisvertt = BZ_Realloc(cl_strisvertt, sizeof(*cl_strisvertt)*cl_maxstrisvert);
cl_strisvertc = BZ_Realloc(cl_strisvertc, sizeof(*cl_strisvertc)*cl_maxstrisvert);
}
{
VectorSet(cl_strisvertv[cl_numstrisvert], mins[0], mins[1], w->maxheight);
Vector4Set(cl_strisvertc[cl_numstrisvert], 1,1,1,1)
Vector2Set(cl_strisvertt[cl_numstrisvert], mins[0]/64, mins[1]/64);
cl_numstrisvert++;
VectorSet(cl_strisvertv[cl_numstrisvert], mins[0], maxs[1], w->maxheight);
Vector4Set(cl_strisvertc[cl_numstrisvert], 1,1,1,1)
Vector2Set(cl_strisvertt[cl_numstrisvert], mins[0]/64, maxs[1]/64);
cl_numstrisvert++;
VectorSet(cl_strisvertv[cl_numstrisvert], maxs[0], maxs[1], w->maxheight);
Vector4Set(cl_strisvertc[cl_numstrisvert], 1,1,1,1)
Vector2Set(cl_strisvertt[cl_numstrisvert], maxs[0]/64, maxs[1]/64);
cl_numstrisvert++;
VectorSet(cl_strisvertv[cl_numstrisvert], maxs[0], mins[1], w->maxheight);
Vector4Set(cl_strisvertc[cl_numstrisvert], 1,1,1,1)
Vector2Set(cl_strisvertt[cl_numstrisvert], maxs[0]/64, mins[1]/64);
cl_numstrisvert++;
}
firstv = t->numvert;
/*build the triangles*/
cl_strisidx[cl_numstrisidx++] = firstv + 0;
cl_strisidx[cl_numstrisidx++] = firstv + 1;
cl_strisidx[cl_numstrisidx++] = firstv + 2;
cl_strisidx[cl_numstrisidx++] = firstv + 0;
cl_strisidx[cl_numstrisidx++] = firstv + 2;
cl_strisidx[cl_numstrisidx++] = firstv + 3;
cl_strisidx[cl_numstrisidx++] = firstv + 3;
cl_strisidx[cl_numstrisidx++] = firstv + 2;
cl_strisidx[cl_numstrisidx++] = firstv + 1;
cl_strisidx[cl_numstrisidx++] = firstv + 3;
cl_strisidx[cl_numstrisidx++] = firstv + 1;
cl_strisidx[cl_numstrisidx++] = firstv + 0;
t->numidx = cl_numstrisidx - t->firstidx;
t->numvert = cl_numstrisvert - t->firstvert;
}
}
static void Terr_RebuildMesh(model_t *model, hmsection_t *s, int x, int y)
{
int vx, vy;
int v;
mesh_t *mesh = &s->mesh;
heightmap_t *hm = s->hmmod;
Terr_InitLightmap(s, false);
s->minh = 9999999999999999.f;
s->maxh = -9999999999999999.f;
switch(hm->mode)
{
case HMM_BLOCKS:
//tiles, like dungeon keeper
if (mesh->xyz_array)
BZ_Free(mesh->xyz_array);
{
mesh->xyz_array = BZ_Malloc((sizeof(vecV_t)+sizeof(vec2_t)+sizeof(vec2_t)) * (SECTHEIGHTSIZE-1)*(SECTHEIGHTSIZE-1)*4*3);
mesh->st_array = (void*) (mesh->xyz_array + (SECTHEIGHTSIZE-1)*(SECTHEIGHTSIZE-1)*4*3);
mesh->lmst_array[0] = (void*) (mesh->st_array + (SECTHEIGHTSIZE-1)*(SECTHEIGHTSIZE-1)*4*3);
}
mesh->numvertexes = 0;
if (mesh->indexes)
BZ_Free(mesh->indexes);
mesh->indexes = BZ_Malloc(sizeof(index_t) * SECTHEIGHTSIZE*SECTHEIGHTSIZE*6*3);
mesh->numindexes = 0;
mesh->colors4f_array[0] = NULL;
for (vy = 0; vy < SECTHEIGHTSIZE-1; vy++)
{
for (vx = 0; vx < SECTHEIGHTSIZE-1; vx++)
{
float st[2], inst[2];
#if SECTHEIGHTSIZE == 17
int holebit;
int holerow;
//skip generation of the mesh above holes
holerow = ((vy<<3)/(SECTHEIGHTSIZE-1));
holebit = 1u<<((vx<<3)/(SECTHEIGHTSIZE-1));
if (s->holes[holerow] & holebit)
continue;
#endif
//top face
v = mesh->numvertexes;
mesh->numvertexes += 4;
mesh->xyz_array[v+0][0] = (x-CHUNKBIAS + (vx+0)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+0][1] = (y-CHUNKBIAS + (vy+0)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+0][2] = s->heights[vx + vy*SECTHEIGHTSIZE];
mesh->xyz_array[v+1][0] = (x-CHUNKBIAS + (vx+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+1][1] = (y-CHUNKBIAS + (vy+0)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+1][2] = s->heights[vx + vy*SECTHEIGHTSIZE];
mesh->xyz_array[v+2][0] = (x-CHUNKBIAS + (vx+0)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+2][1] = (y-CHUNKBIAS + (vy+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+2][2] = s->heights[vx + vy*SECTHEIGHTSIZE];
mesh->xyz_array[v+3][0] = (x-CHUNKBIAS + (vx+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+3][1] = (y-CHUNKBIAS + (vy+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+3][2] = s->heights[vx + vy*SECTHEIGHTSIZE];
if (s->maxh < mesh->xyz_array[v][2])
s->maxh = mesh->xyz_array[v][2];
if (s->minh > mesh->xyz_array[v][2])
s->minh = mesh->xyz_array[v][2];
st[0] = 1.0f/hm->tilecount[0] * vx;
st[1] = 1.0f/hm->tilecount[1] * vy;
inst[0] = 0.5f/(hm->tilecount[0]*hm->tilepixcount[0]);
inst[1] = 0.5f/(hm->tilecount[1]*hm->tilepixcount[1]);
mesh->st_array[v+0][0] = st[0]+inst[0];
mesh->st_array[v+0][1] = st[1]+inst[1];
mesh->st_array[v+1][0] = st[0]-inst[0]+1.0f/hm->tilecount[0];
mesh->st_array[v+1][1] = st[1]+inst[1];
mesh->st_array[v+2][0] = st[0]+inst[0];
mesh->st_array[v+2][1] = st[1]-inst[1]+1.0f/hm->tilecount[1];
mesh->st_array[v+3][0] = st[0]-inst[0]+1.0f/hm->tilecount[0];
mesh->st_array[v+3][1] = st[1]-inst[1]+1.0f/hm->tilecount[1];
//calc the position in the range -0.5 to 0.5
mesh->lmst_array[0][v][0] = (((float)vx / (SECTHEIGHTSIZE-1))-0.5);
mesh->lmst_array[0][v][1] = (((float)vy / (SECTHEIGHTSIZE-1))-0.5);
//scale down to a half-texel
mesh->lmst_array[0][v][0] *= (SECTTEXSIZE-1.0f)/HMLMSTRIDE;
mesh->lmst_array[0][v][1] *= (SECTTEXSIZE-1.0f)/HMLMSTRIDE;
//bias it
mesh->lmst_array[0][v][0] += ((float)SECTTEXSIZE/(HMLMSTRIDE*2)) + ((float)(s->lmx) / HMLMSTRIDE);
mesh->lmst_array[0][v][1] += ((float)SECTTEXSIZE/(HMLMSTRIDE*2)) + ((float)(s->lmy) / HMLMSTRIDE);
mesh->indexes[mesh->numindexes++] = v+0;
mesh->indexes[mesh->numindexes++] = v+2;
mesh->indexes[mesh->numindexes++] = v+1;
mesh->indexes[mesh->numindexes++] = v+1;
mesh->indexes[mesh->numindexes++] = v+2;
mesh->indexes[mesh->numindexes++] = v+1+2;
//x boundary
v = mesh->numvertexes;
mesh->numvertexes += 4;
mesh->xyz_array[v+0][0] = (x-CHUNKBIAS + (vx+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+0][1] = (y-CHUNKBIAS + (vy+0)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+0][2] = s->heights[vx+0 + vy*SECTHEIGHTSIZE];
mesh->xyz_array[v+1][0] = (x-CHUNKBIAS + (vx+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+1][1] = (y-CHUNKBIAS + (vy+0)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+1][2] = s->heights[(vx+1) + vy*SECTHEIGHTSIZE];
mesh->xyz_array[v+2][0] = (x-CHUNKBIAS + (vx+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+2][1] = (y-CHUNKBIAS + (vy+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+2][2] = s->heights[(vx+0) + vy*SECTHEIGHTSIZE];
mesh->xyz_array[v+3][0] = (x-CHUNKBIAS + (vx+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+3][1] = (y-CHUNKBIAS + (vy+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+3][2] = s->heights[(vx+1) + vy*SECTHEIGHTSIZE];
if (s->maxh < mesh->xyz_array[v][2])
s->maxh = mesh->xyz_array[v][2];
if (s->minh > mesh->xyz_array[v][2])
s->minh = mesh->xyz_array[v][2];
st[0] = 1.0f/hm->tilecount[0] * vx;
st[1] = 1.0f/hm->tilecount[1] * vy;
inst[0] = 0.5f/(hm->tilecount[0]*hm->tilepixcount[0]);
inst[1] = 0.5f/(hm->tilecount[1]*hm->tilepixcount[1]);
mesh->st_array[v+0][0] = st[0]+inst[0];
mesh->st_array[v+0][1] = st[1]+inst[1];
mesh->st_array[v+1][0] = st[0]+inst[0];
mesh->st_array[v+1][1] = st[1]-inst[1]+1.0f/hm->tilecount[1];
mesh->st_array[v+2][0] = st[0]-inst[0]+1.0f/hm->tilecount[0];
mesh->st_array[v+2][1] = st[1]+inst[1];
mesh->st_array[v+3][0] = st[0]-inst[0]+1.0f/hm->tilecount[0];
mesh->st_array[v+3][1] = st[1]-inst[1]+1.0f/hm->tilecount[1];
//calc the position in the range -0.5 to 0.5
mesh->lmst_array[0][v][0] = (((float)vx / (SECTHEIGHTSIZE-1))-0.5);
mesh->lmst_array[0][v][1] = (((float)vy / (SECTHEIGHTSIZE-1))-0.5);
//scale down to a half-texel
mesh->lmst_array[0][v][0] *= (SECTTEXSIZE-1.0f)/HMLMSTRIDE;
mesh->lmst_array[0][v][1] *= (SECTTEXSIZE-1.0f)/HMLMSTRIDE;
//bias it
mesh->lmst_array[0][v][0] += ((float)SECTTEXSIZE/(HMLMSTRIDE*2)) + ((float)(s->lmx) / HMLMSTRIDE);
mesh->lmst_array[0][v][1] += ((float)SECTTEXSIZE/(HMLMSTRIDE*2)) + ((float)(s->lmy) / HMLMSTRIDE);
mesh->indexes[mesh->numindexes++] = v+0;
mesh->indexes[mesh->numindexes++] = v+2;
mesh->indexes[mesh->numindexes++] = v+1;
mesh->indexes[mesh->numindexes++] = v+1;
mesh->indexes[mesh->numindexes++] = v+2;
mesh->indexes[mesh->numindexes++] = v+1+2;
//y boundary
v = mesh->numvertexes;
mesh->numvertexes += 4;
mesh->xyz_array[v+0][0] = (x-CHUNKBIAS + (vx+0)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+0][1] = (y-CHUNKBIAS + (vy+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+0][2] = s->heights[vx + (vy+0)*SECTHEIGHTSIZE];
mesh->xyz_array[v+1][0] = (x-CHUNKBIAS + (vx+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+1][1] = (y-CHUNKBIAS + (vy+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+1][2] = s->heights[vx + (vy+0)*SECTHEIGHTSIZE];
mesh->xyz_array[v+2][0] = (x-CHUNKBIAS + (vx+0)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+2][1] = (y-CHUNKBIAS + (vy+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+2][2] = s->heights[vx + (vy+1)*SECTHEIGHTSIZE];
mesh->xyz_array[v+3][0] = (x-CHUNKBIAS + (vx+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+3][1] = (y-CHUNKBIAS + (vy+1)/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v+3][2] = s->heights[vx + (vy+1)*SECTHEIGHTSIZE];
if (s->maxh < mesh->xyz_array[v][2])
s->maxh = mesh->xyz_array[v][2];
if (s->minh > mesh->xyz_array[v][2])
s->minh = mesh->xyz_array[v][2];
st[0] = 1.0f/hm->tilecount[0] * vx;
st[1] = 1.0f/hm->tilecount[1] * vy;
inst[0] = 0.5f/(hm->tilecount[0]*hm->tilepixcount[0]);
inst[1] = 0.5f/(hm->tilecount[1]*hm->tilepixcount[1]);
mesh->st_array[v+0][0] = st[0]+inst[0];
mesh->st_array[v+0][1] = st[1]+inst[1];
mesh->st_array[v+1][0] = st[0]-inst[0]+1.0f/hm->tilecount[0];
mesh->st_array[v+1][1] = st[1]+inst[1];
mesh->st_array[v+2][0] = st[0]+inst[0];
mesh->st_array[v+2][1] = st[1]-inst[1]+1.0f/hm->tilecount[1];
mesh->st_array[v+3][0] = st[0]-inst[0]+1.0f/hm->tilecount[0];
mesh->st_array[v+3][1] = st[1]-inst[1]+1.0f/hm->tilecount[1];
//calc the position in the range -0.5 to 0.5
mesh->lmst_array[0][v][0] = (((float)vx / (SECTHEIGHTSIZE-1))-0.5);
mesh->lmst_array[0][v][1] = (((float)vy / (SECTHEIGHTSIZE-1))-0.5);
//scale down to a half-texel
mesh->lmst_array[0][v][0] *= (SECTTEXSIZE-1.0f)/HMLMSTRIDE;
mesh->lmst_array[0][v][1] *= (SECTTEXSIZE-1.0f)/HMLMSTRIDE;
//bias it
mesh->lmst_array[0][v][0] += ((float)SECTTEXSIZE/(HMLMSTRIDE*2)) + ((float)(s->lmx) / HMLMSTRIDE);
mesh->lmst_array[0][v][1] += ((float)SECTTEXSIZE/(HMLMSTRIDE*2)) + ((float)(s->lmy) / HMLMSTRIDE);
mesh->indexes[mesh->numindexes++] = v+0;
mesh->indexes[mesh->numindexes++] = v+2;
mesh->indexes[mesh->numindexes++] = v+1;
mesh->indexes[mesh->numindexes++] = v+1;
mesh->indexes[mesh->numindexes++] = v+2;
mesh->indexes[mesh->numindexes++] = v+1+2;
}
}
break;
case HMM_TERRAIN:
//smooth terrain
if (!mesh->xyz_array)
{
mesh->xyz_array = BZ_Malloc((sizeof(vecV_t)+sizeof(vec2_t)+sizeof(vec2_t)) * (SECTHEIGHTSIZE)*(SECTHEIGHTSIZE));
mesh->st_array = (void*) (mesh->xyz_array + (SECTHEIGHTSIZE)*(SECTHEIGHTSIZE));
mesh->lmst_array[0] = (void*) (mesh->st_array + (SECTHEIGHTSIZE)*(SECTHEIGHTSIZE));
}
mesh->colors4f_array[0] = s->colours;
mesh->numvertexes = 0;
/*64 quads across requires 65 verticies*/
for (vy = 0; vy < SECTHEIGHTSIZE; vy++)
{
for (vx = 0; vx < SECTHEIGHTSIZE; vx++)
{
v = mesh->numvertexes++;
mesh->xyz_array[v][0] = (x-CHUNKBIAS + vx/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v][1] = (y-CHUNKBIAS + vy/(SECTHEIGHTSIZE-1.0f)) * hm->sectionsize;
mesh->xyz_array[v][2] = s->heights[vx + vy*SECTHEIGHTSIZE];
if (s->maxh < mesh->xyz_array[v][2])
s->maxh = mesh->xyz_array[v][2];
if (s->minh > mesh->xyz_array[v][2])
s->minh = mesh->xyz_array[v][2];
mesh->st_array[v][0] = mesh->xyz_array[v][0] / 128;
mesh->st_array[v][1] = mesh->xyz_array[v][1] / 128;
//calc the position in the range -0.5 to 0.5
mesh->lmst_array[0][v][0] = (((float)vx / (SECTHEIGHTSIZE-1))-0.5);
mesh->lmst_array[0][v][1] = (((float)vy / (SECTHEIGHTSIZE-1))-0.5);
//scale down to a half-texel
mesh->lmst_array[0][v][0] *= (SECTTEXSIZE-1.0f)/HMLMSTRIDE;
mesh->lmst_array[0][v][1] *= (SECTTEXSIZE-1.0f)/HMLMSTRIDE;
//bias it
mesh->lmst_array[0][v][0] += ((float)SECTTEXSIZE/(HMLMSTRIDE*2)) + ((float)(s->lmx) / HMLMSTRIDE);
mesh->lmst_array[0][v][1] += ((float)SECTTEXSIZE/(HMLMSTRIDE*2)) + ((float)(s->lmy) / HMLMSTRIDE);
}
}
if (!mesh->indexes)
mesh->indexes = BZ_Malloc(sizeof(index_t) * SECTHEIGHTSIZE*SECTHEIGHTSIZE*6);
mesh->numindexes = 0;
for (vy = 0; vy < SECTHEIGHTSIZE-1; vy++)
{
for (vx = 0; vx < SECTHEIGHTSIZE-1; vx++)
{
#ifndef STRICTEDGES
float d1,d2;
#endif
#if SECTHEIGHTSIZE == 17
int holerow;
int holebit;
//skip generation of the mesh above holes
holerow = ((vy<<3)/(SECTHEIGHTSIZE-1));
holebit = 1u<<((vx<<3)/(SECTHEIGHTSIZE-1));
if (s->holes[holerow] & holebit)
continue;
#endif
v = vx + vy*(SECTHEIGHTSIZE);
#ifndef STRICTEDGES
d1 = fabs(mesh->xyz_array[v][2] - mesh->xyz_array[v+1+SECTHEIGHTSIZE][2]);
d2 = fabs(mesh->xyz_array[v+1][2] - mesh->xyz_array[v+SECTHEIGHTSIZE][2]);
if (d1 < d2)
{
mesh->indexes[mesh->numindexes++] = v+0;
mesh->indexes[mesh->numindexes++] = v+1+SECTHEIGHTSIZE;
mesh->indexes[mesh->numindexes++] = v+1;
mesh->indexes[mesh->numindexes++] = v+0;
mesh->indexes[mesh->numindexes++] = v+SECTHEIGHTSIZE;
mesh->indexes[mesh->numindexes++] = v+1+SECTHEIGHTSIZE;
}
else
#endif
{
mesh->indexes[mesh->numindexes++] = v+0;
mesh->indexes[mesh->numindexes++] = v+SECTHEIGHTSIZE;
mesh->indexes[mesh->numindexes++] = v+1;
mesh->indexes[mesh->numindexes++] = v+1;
mesh->indexes[mesh->numindexes++] = v+SECTHEIGHTSIZE;
mesh->indexes[mesh->numindexes++] = v+1+SECTHEIGHTSIZE;
}
}
}
break;
}
//pure holes
if (!mesh->numindexes)
{
memset(&s->pvscache, 0, sizeof(s->pvscache));
return;
}
if (s->maxh_cull < s->maxh)
s->maxh_cull = s->maxh;
{
vec3_t mins, maxs;
mins[0] = (x-CHUNKBIAS) * hm->sectionsize;
mins[1] = (y-CHUNKBIAS) * hm->sectionsize;
mins[2] = s->minh;
maxs[0] = (x+1-CHUNKBIAS) * hm->sectionsize;
maxs[1] = (y+1-CHUNKBIAS) * hm->sectionsize;
maxs[2] = s->maxh_cull;
model->funcs.FindTouchedLeafs(model, &s->pvscache, mins, maxs);
}
#ifdef GLQUAKE
if (qrenderer == QR_OPENGL && qglGenBuffersARB)
{
if (!s->vbo.coord.gl.vbo)
{
qglGenBuffersARB(1, &s->vbo.coord.gl.vbo);
GL_SelectVBO(s->vbo.coord.gl.vbo);
}
else
GL_SelectVBO(s->vbo.coord.gl.vbo);
qglBufferDataARB(GL_ARRAY_BUFFER_ARB, (sizeof(vecV_t)+sizeof(vec2_t)+sizeof(vec2_t)+sizeof(vec4_t)) * (mesh->numvertexes), NULL, GL_STATIC_DRAW_ARB);
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, (sizeof(vecV_t)+sizeof(vec2_t)+sizeof(vec2_t)) * mesh->numvertexes, mesh->xyz_array);
if (mesh->colors4f_array[0])
qglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, (sizeof(vecV_t)+sizeof(vec2_t)+sizeof(vec2_t)) * mesh->numvertexes, sizeof(vec4_t)*mesh->numvertexes, mesh->colors4f_array[0]);
GL_SelectVBO(0);
s->vbo.coord.gl.addr = 0;
s->vbo.texcoord.gl.addr = (void*)((char*)mesh->st_array - (char*)mesh->xyz_array);
s->vbo.texcoord.gl.vbo = s->vbo.coord.gl.vbo;
s->vbo.lmcoord[0].gl.addr = (void*)((char*)mesh->lmst_array[0] - (char*)mesh->xyz_array);
s->vbo.lmcoord[0].gl.vbo = s->vbo.coord.gl.vbo;
s->vbo.colours[0].gl.addr = (void*)((sizeof(vecV_t)+sizeof(vec2_t)+sizeof(vec2_t)) * mesh->numvertexes);
s->vbo.colours[0].gl.vbo = s->vbo.coord.gl.vbo;
if (!s->vbo.indicies.gl.vbo)
qglGenBuffersARB(1, &s->vbo.indicies.gl.vbo);
s->vbo.indicies.gl.addr = 0;
GL_SelectEBO(s->vbo.indicies.gl.vbo);
qglBufferDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, sizeof(index_t) * mesh->numindexes, mesh->indexes, GL_STATIC_DRAW_ARB);
GL_SelectEBO(0);
#if 1
Z_Free(mesh->xyz_array);
mesh->xyz_array = NULL;
mesh->st_array = NULL;
mesh->lmst_array[0] = NULL;
Z_Free(mesh->indexes);
mesh->indexes = NULL;
#endif
}
#endif
#ifdef VKQUAKE
if (qrenderer == QR_VULKAN)
{
void VKBE_GenBatchVBOs(vbo_t **vbochain, batch_t *firstbatch, batch_t *stopbatch);
batch_t batch = {0};
mesh_t *meshes = &s->mesh;
vbo_t *vbo = NULL;
batch.maxmeshes = 1;
batch.mesh = &meshes;
VKBE_GenBatchVBOs(&vbo, &batch, NULL);
s->vbo = *vbo;
}
#endif
#ifdef D3D9QUAKE
if (qrenderer == QR_DIRECT3D9)
{
void D3D9BE_GenBatchVBOs(vbo_t **vbochain, batch_t *firstbatch, batch_t *stopbatch);
batch_t batch = {0};
mesh_t *meshes = &s->mesh;
vbo_t *vbo = NULL;
batch.maxmeshes = 1;
batch.mesh = &meshes;
//BE_ClearVBO(&s->vbo);
D3D9BE_GenBatchVBOs(&vbo, &batch, NULL);
s->vbo = *vbo;
}
#endif
#ifdef D3D11QUAKE
if (qrenderer == QR_DIRECT3D11)
{
void D3D11BE_GenBatchVBOs(vbo_t **vbochain, batch_t *firstbatch, batch_t *stopbatch);
batch_t batch = {0};
mesh_t *meshes = &s->mesh;
vbo_t *vbo = NULL;
batch.maxmeshes = 1;
batch.mesh = &meshes;
//BE_ClearVBO(&s->vbo);
D3D11BE_GenBatchVBOs(&vbo, &batch, NULL);
s->vbo = *vbo;
}
#endif
}
struct tdibctx
{
heightmap_t *hm;
int vx;
int vy;
entity_t *ent;
batch_t **batches;
qbyte *pvs;
model_t *wmodel;
};
void Terr_DrawInBounds(struct tdibctx *ctx, int x, int y, int w, int h)
{
vec3_t mins, maxs;
hmsection_t *s;
struct hmwater_s *wa;
int i, j;
batch_t *b;
heightmap_t *hm = ctx->hm;
mins[0] = (x+0 - CHUNKBIAS)*hm->sectionsize;
maxs[0] = (x+w - CHUNKBIAS)*hm->sectionsize;
mins[1] = (y+0 - CHUNKBIAS)*hm->sectionsize;
maxs[1] = (y+h - CHUNKBIAS)*hm->sectionsize;
mins[2] = r_origin[2]-999999;
maxs[2] = r_origin[2]+999999;
if (w == 1 && h == 1)
{
// if (R_CullBox(mins, maxs))
// return;
s = Terr_GetSection(hm, x, y, TGS_LAZYLOAD);
if (!s)
return;
/*move to head*/
validatelinks(&hm->recycle);
RemoveLink(&s->recycle);
validatelinks(&hm->recycle);
InsertLinkBefore(&s->recycle, &hm->recycle);
validatelinks(&hm->recycle);
if (s->lightmap < 0)
Terr_LoadSection(hm, s, x, y, TGS_NODOWNLOAD);
if (s->flags & TSF_RELIGHT)
{
if (!hm->relight)
{
hm->relight = s;
hm->relightidx = 0;
hm->relightmin[0] = mins[0];
hm->relightmin[1] = mins[1];
}
}
if (s->flags & TSF_DIRTY)
{
s->flags &= ~TSF_DIRTY;
Terr_RebuildMesh(ctx->wmodel, s, x, y);
}
if (ctx->pvs && !ctx->wmodel->funcs.EdictInFatPVS(ctx->wmodel, &s->pvscache, ctx->pvs))
return; //this section isn't in any visible bsp leafs
if (s->numents)
{
Sys_LockMutex(hm->entitylock);
//chuck out any batches for models in this section
for (i = 0; i < s->numents; i++)
{
struct hmentity_s *e = s->ents[i];
vec3_t dist;
float a, dmin, dmax;
model_t *model;
//skip the entity if its already been added to some batch this frame.
if (e->drawnframe == hm->drawnframe)
continue;
e->drawnframe = hm->drawnframe;
model = e->ent.model;
if (!model)
continue;
if (model->loadstate == MLS_NOTLOADED)
{
// if (hm->beinglazy)
// continue;
// hm->beinglazy = true;
Mod_LoadModel(model, MLV_WARN);
}
if (model->loadstate != MLS_LOADED)
continue;
VectorSubtract(e->ent.origin, r_origin, dist);
a = VectorLength(dist);
dmin = 1024 + model->radius*160;
dmax = dmin + 1024;
a = (a - dmin) / (dmax - dmin);
a = 1-a;
if (a < 0)
continue;
if (R_CullSphere(e->ent.origin, model->radius))
continue;
if (a >= 1)
{
a = 1;
e->ent.flags &= ~RF_TRANSLUCENT;
}
else
e->ent.flags |= RF_TRANSLUCENT;
e->ent.shaderRGBAf[3] = a;
switch(model->type)
{
case mod_alias:
R_GAlias_GenerateBatches(&e->ent, ctx->batches);
break;
case mod_brush:
Surf_GenBrushBatches(ctx->batches, &e->ent);
break;
default: //FIXME: no sprites! oh noes!
break;
}
}
Sys_UnlockMutex(hm->entitylock);
}
for (wa = s->water; wa; wa = wa->next)
{
mins[2] = wa->minheight;
maxs[2] = wa->maxheight;
if (!R_CullBox(mins, maxs))
{
Terr_DrawTerrainWater(hm, mins, maxs, wa);
}
}
mins[2] = s->minh;
maxs[2] = s->maxh;
// if (!BoundsIntersect(mins, maxs, r_refdef.vieworg, r_refdef.vieworg))
if (R_CullBox(mins, maxs))
return;
if (hm->texmask)
{
for (i = 0; i < 4; i++)
{
if (!*s->texname[i])
break;
if (!strcmp(s->texname[i], hm->texmask))
break;
}
if (i == 4)
{ //flicker if the surface cannot accept the named texture
int xor = (x&1)^(y&1);
if (((int)(realtime*10) & 1) ^ xor)
return;
}
}
b = BE_GetTempBatch();
if (!b)
return;
b->ent = ctx->ent;
b->shader = hm->shader;
b->flags = 0;
b->mesh = &s->amesh;
b->mesh[0] = &s->mesh;
b->meshes = 1;
b->buildmeshes = NULL;
b->skin = &s->textures;
b->texture = NULL;
b->vbo = &s->vbo;
b->lightmap[0] = s->lightmap;
for (j = 1; j < MAXRLIGHTMAPS; j++)
b->lightmap[j] = -1;
b->next = ctx->batches[b->shader->sort];
ctx->batches[b->shader->sort] = b;
}
else if (w && h)
{
//divide and conquer, radiating outwards from the view.
if (w > h)
{
i = x + w;
w = x + w/2;
if (ctx->vx >= w)
{
Terr_DrawInBounds(ctx, w, y, i-w, h);
Terr_DrawInBounds(ctx, x, y, w-x, h);
}
else
{
Terr_DrawInBounds(ctx, x, y, w-x, h);
Terr_DrawInBounds(ctx, w, y, i-w, h);
}
}
else
{
i = y + h;
h = y + h/2;
if (ctx->vy >= h)
{
Terr_DrawInBounds(ctx, x, h, w, i-h);
Terr_DrawInBounds(ctx, x, y, w, h-y);
}
else
{
Terr_DrawInBounds(ctx, x, y, w, h-y);
Terr_DrawInBounds(ctx, x, h, w, i-h);
}
}
}
}
void Terr_DrawTerrainModel (batch_t **batches, entity_t *e)
{
extern qbyte *frustumvis;
model_t *m = e->model;
heightmap_t *hm = m->terrain;
batch_t *b;
int bounds[4], j;
struct tdibctx tdibctx;
if (!r_refdef.recurse)
{
Terr_DoEditNotify(hm);
// while (hm->activesections > 0)
// if (!Terr_Collect(hm))
// break;
while (hm->activesections > TERRAINACTIVESECTIONS)
{
if (!Terr_Collect(hm))
break;
break;
}
}
// hm->beinglazy = false;
if (hm->relight)
ted_dorelight(hm);
if (e->model == cl.worldmodel && hm->skyshader)
{
b = BE_GetTempBatch();
if (b)
{
for (j = 0; j < MAXRLIGHTMAPS; j++)
b->lightmap[j] = -1;
b->ent = e;
b->shader = hm->skyshader;
b->flags = 0;
b->mesh = &hm->askymesh;
b->mesh[0] = &hm->skymesh;
b->meshes = 1;
b->buildmeshes = NULL;
b->skin = NULL;
b->texture = NULL;
// vbo = b->vbo = hm->vbo[x+y*MAXSECTIONS];
b->vbo = NULL;
b->next = batches[b->shader->sort];
batches[b->shader->sort] = b;
}
}
Terr_Brush_Draw(hm, batches, e);
if (r_refdef.globalfog.density || r_refdef.maxdist>0)
{
float culldist;
extern cvar_t r_fog_exp2;
if (r_refdef.globalfog.density)
{
//figure out the eyespace distance required to reach that fog value
culldist = log(0.5/255.0f);
if (r_fog_exp2.ival)
culldist = sqrt(culldist / (-r_refdef.globalfog.density * r_refdef.globalfog.density));
else
culldist = culldist / (-r_refdef.globalfog.density);
//anything drawn beyond this point is fully obscured by fog
culldist += 4096;
}
else
culldist = 999999999999999.f;
if (culldist < hm->maxdrawdist)
culldist = hm->maxdrawdist;
if (culldist > r_refdef.maxdist && r_refdef.maxdist>0)
culldist = r_refdef.maxdist;
bounds[0] = bound(hm->firstsegx, (r_refdef.vieworg[0] + (CHUNKBIAS + 0)*hm->sectionsize - culldist) / hm->sectionsize, hm->maxsegx);
bounds[1] = bound(hm->firstsegx, (r_refdef.vieworg[0] + (CHUNKBIAS + 1)*hm->sectionsize + culldist) / hm->sectionsize, hm->maxsegx);
bounds[2] = bound(hm->firstsegy, (r_refdef.vieworg[1] + (CHUNKBIAS + 0)*hm->sectionsize - culldist) / hm->sectionsize, hm->maxsegy);
bounds[3] = bound(hm->firstsegy, (r_refdef.vieworg[1] + (CHUNKBIAS + 1)*hm->sectionsize + culldist) / hm->sectionsize, hm->maxsegy);
}
else
{
bounds[0] = hm->firstsegx;
bounds[1] = hm->maxsegx;
bounds[2] = hm->firstsegy;
bounds[3] = hm->maxsegy;
}
//FIXME: project the near+far clip planes onto the screen, generate bounds from those, instead of the above overkill code.
hm->drawnframe+=1;
tdibctx.hm = hm;
tdibctx.batches = batches;
tdibctx.ent = e;
tdibctx.vx = (r_refdef.vieworg[0] + CHUNKBIAS*hm->sectionsize) / hm->sectionsize;
tdibctx.vy = (r_refdef.vieworg[1] + CHUNKBIAS*hm->sectionsize) / hm->sectionsize;
tdibctx.wmodel = e->model;
tdibctx.pvs = (e->model == cl.worldmodel)?frustumvis:NULL;
validatelinks(&hm->recycle);
Terr_DrawInBounds(&tdibctx, bounds[0], bounds[2], bounds[1]-bounds[0], bounds[3]-bounds[2]);
validatelinks(&hm->recycle);
/*{
trace_t trace;
vec3_t player_mins = {-16, -16, -24};
vec3_t player_maxs = {16, 16, 32};
vec3_t start, end;
VectorCopy(cl.playerview[0].simorg, start);
VectorCopy(start, end);
start[0] += 5;
end[2] -= 100;
Heightmap_Trace(cl.worldmodel, 0, 0, NULL, start, end, player_mins, player_maxs, false, ~0, &trace);
}*/
}
void Terrain_ClipDecal(fragmentdecal_t *dec, float *center, float radius, model_t *model)
{
int min[2], max[2], mint[2], maxt[2];
int x, y, tx, ty;
vecV_t vert[6];
hmsection_t *s;
heightmap_t *hm = model->terrain;
min[0] = floor((center[0] - radius)/(hm->sectionsize)) + CHUNKBIAS;
min[1] = floor((center[1] - radius)/(hm->sectionsize)) + CHUNKBIAS;
max[0] = ceil((center[0] + radius)/(hm->sectionsize)) + CHUNKBIAS;
max[1] = ceil((center[1] + radius)/(hm->sectionsize)) + CHUNKBIAS;
min[0] = bound(hm->firstsegx, min[0], hm->maxsegx);
min[1] = bound(hm->firstsegy, min[1], hm->maxsegy);
max[0] = bound(hm->firstsegx, max[0], hm->maxsegx);
max[1] = bound(hm->firstsegy, max[1], hm->maxsegy);
for (y = min[1]; y < max[1]; y++)
{
for (x = min[0]; x < max[0]; x++)
{
s = Terr_GetSection(hm, x, y, TGS_WAITLOAD);
if (!s)
continue;
mint[0] = floor((center[0] - radius)*(SECTHEIGHTSIZE-1)/(hm->sectionsize) + (CHUNKBIAS - x)*(SECTHEIGHTSIZE-1));
mint[1] = floor((center[1] - radius)*(SECTHEIGHTSIZE-1)/(hm->sectionsize) + (CHUNKBIAS - y)*(SECTHEIGHTSIZE-1));
maxt[0] = ceil((center[0] + radius)*(SECTHEIGHTSIZE-1)/(hm->sectionsize) + (CHUNKBIAS - x)*(SECTHEIGHTSIZE-1));
maxt[1] = ceil((center[1] + radius)*(SECTHEIGHTSIZE-1)/(hm->sectionsize) + (CHUNKBIAS - y)*(SECTHEIGHTSIZE-1));
mint[0] = bound(0, mint[0], (SECTHEIGHTSIZE-1));
mint[1] = bound(0, mint[1], (SECTHEIGHTSIZE-1));
maxt[0] = bound(0, maxt[0], (SECTHEIGHTSIZE-1));
maxt[1] = bound(0, maxt[1], (SECTHEIGHTSIZE-1));
for (ty = mint[1]; ty < maxt[1]; ty++)
{
for (tx = mint[0]; tx < maxt[0]; tx++)
{
#ifndef STRICTEDGES
float d1, d2;
d1 = fabs(s->heights[(tx+0) + (ty+0)*SECTHEIGHTSIZE] - s->heights[(tx+1) + (ty+1)*SECTHEIGHTSIZE]);
d2 = fabs(s->heights[(tx+1) + (ty+0)*SECTHEIGHTSIZE] - s->heights[(tx+0) + (ty+1)*SECTHEIGHTSIZE]);
if (d1 < d2)
{
vert[0][0] = (x-CHUNKBIAS)*hm->sectionsize + (tx+0)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;vert[0][1] = (y-CHUNKBIAS)*hm->sectionsize + (ty+0)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;
vert[1][0] = (x-CHUNKBIAS)*hm->sectionsize + (tx+1)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;vert[1][1] = (y-CHUNKBIAS)*hm->sectionsize + (ty+1)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;
vert[2][0] = (x-CHUNKBIAS)*hm->sectionsize + (tx+1)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;vert[2][1] = (y-CHUNKBIAS)*hm->sectionsize + (ty+0)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;
vert[3][0] = (x-CHUNKBIAS)*hm->sectionsize + (tx+0)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;vert[3][1] = (y-CHUNKBIAS)*hm->sectionsize + (ty+0)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;
vert[4][0] = (x-CHUNKBIAS)*hm->sectionsize + (tx+0)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;vert[4][1] = (y-CHUNKBIAS)*hm->sectionsize + (ty+1)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;
vert[5][0] = (x-CHUNKBIAS)*hm->sectionsize + (tx+1)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;vert[5][1] = (y-CHUNKBIAS)*hm->sectionsize + (ty+1)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;
vert[0][2] = s->heights[(tx+0) + (ty+0)*SECTHEIGHTSIZE];
vert[1][2] = s->heights[(tx+1) + (ty+1)*SECTHEIGHTSIZE];
vert[2][2] = s->heights[(tx+1) + (ty+0)*SECTHEIGHTSIZE];
vert[3][2] = s->heights[(tx+0) + (ty+0)*SECTHEIGHTSIZE];
vert[4][2] = s->heights[(tx+0) + (ty+1)*SECTHEIGHTSIZE];
vert[5][2] = s->heights[(tx+1) + (ty+1)*SECTHEIGHTSIZE];
}
else
#endif
{
vert[0][0] = (x-CHUNKBIAS)*hm->sectionsize + (tx+0)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;vert[0][1] = (y-CHUNKBIAS)*hm->sectionsize + (ty+0)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;
vert[1][0] = (x-CHUNKBIAS)*hm->sectionsize + (tx+0)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;vert[1][1] = (y-CHUNKBIAS)*hm->sectionsize + (ty+1)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;
vert[2][0] = (x-CHUNKBIAS)*hm->sectionsize + (tx+1)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;vert[2][1] = (y-CHUNKBIAS)*hm->sectionsize + (ty+0)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;
vert[3][0] = (x-CHUNKBIAS)*hm->sectionsize + (tx+1)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;vert[3][1] = (y-CHUNKBIAS)*hm->sectionsize + (ty+0)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;
vert[4][0] = (x-CHUNKBIAS)*hm->sectionsize + (tx+0)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;vert[4][1] = (y-CHUNKBIAS)*hm->sectionsize + (ty+1)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;
vert[5][0] = (x-CHUNKBIAS)*hm->sectionsize + (tx+1)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;vert[5][1] = (y-CHUNKBIAS)*hm->sectionsize + (ty+1)/(float)(SECTHEIGHTSIZE-1)*hm->sectionsize;
vert[0][2] = s->heights[(tx+0) + (ty+0)*SECTHEIGHTSIZE];
vert[1][2] = s->heights[(tx+0) + (ty+1)*SECTHEIGHTSIZE];
vert[2][2] = s->heights[(tx+1) + (ty+0)*SECTHEIGHTSIZE];
vert[3][2] = s->heights[(tx+1) + (ty+0)*SECTHEIGHTSIZE];
vert[4][2] = s->heights[(tx+0) + (ty+1)*SECTHEIGHTSIZE];
vert[5][2] = s->heights[(tx+1) + (ty+1)*SECTHEIGHTSIZE];
}
//fixme: per-section shaders for clutter info. this kinda sucks.
Fragment_ClipPoly(dec, 3, &vert[0][0], hm->shader);
Fragment_ClipPoly(dec, 3, &vert[3][0], hm->shader);
}
}
}
}
}
#endif
unsigned int Heightmap_PointContentsHM(heightmap_t *hm, float clipmipsz, vec3_t org)
{
float x, y;
float z, tz;
int sx, sy;
unsigned int holerow;
unsigned int holebit;
hmsection_t *s;
struct hmwater_s *w;
unsigned int contents;
const float wbias = CHUNKBIAS * hm->sectionsize;
sx = (org[0]+wbias)/hm->sectionsize;
sy = (org[1]+wbias)/hm->sectionsize;
if (sx < hm->firstsegx || sy < hm->firstsegy)
return hm->exteriorcontents;
if (sx >= hm->maxsegx || sy >= hm->maxsegy)
return hm->exteriorcontents;
s = Terr_GetSection(hm, sx, sy, TGS_TRYLOAD | TGS_ANYSTATE);
if (!s || s->loadstate != TSLS_LOADED)
{
if (s && s->loadstate == TSLS_FAILED)
return hm->exteriorcontents;
return FTECONTENTS_SOLID;
}
x = (org[0]+wbias - (sx*hm->sectionsize))*(SECTHEIGHTSIZE-1)/hm->sectionsize;
y = (org[1]+wbias - (sy*hm->sectionsize))*(SECTHEIGHTSIZE-1)/hm->sectionsize;
z = (org[2]+clipmipsz);
if (z < s->minh-16)
return hm->exteriorcontents;
sx = x; x-=sx;
sy = y; y-=sy;
holerow = ((sy<<3)/(SECTHEIGHTSIZE-1));
holebit = 1u<<((sx<<3)/(SECTHEIGHTSIZE-1));
if (s->holes[holerow] & (1u<<holebit))
return FTECONTENTS_EMPTY;
//made of two triangles:
if (x+y>1) //the 1, 1 triangle
{
float v1, v2, v3;
v3 = 1-y;
v2 = x+y-1;
v1 = 1-x;
//0, 1
//1, 1
//1, 0
tz = (s->heights[(sx+0)+(sy+1)*SECTHEIGHTSIZE]*v1 +
s->heights[(sx+1)+(sy+1)*SECTHEIGHTSIZE]*v2 +
s->heights[(sx+1)+(sy+0)*SECTHEIGHTSIZE]*v3);
}
else
{
float v1, v2, v3;
v1 = y;
v2 = x;
v3 = 1-y-x;
//0, 1
//1, 0
//0, 0
tz = (s->heights[(sx+0)+(sy+1)*SECTHEIGHTSIZE]*v1 +
s->heights[(sx+1)+(sy+0)*SECTHEIGHTSIZE]*v2 +
s->heights[(sx+0)+(sy+0)*SECTHEIGHTSIZE]*v3);
}
if (z <= tz)
return FTECONTENTS_SOLID; //contained within
contents = FTECONTENTS_EMPTY;
for (w = s->water; w; w = w->next)
{
if (w->holes[holerow] & (1u<<holebit))
continue;
if (z < w->maxheight) //FIXME
contents |= w->contentmask;
}
return contents;
}
unsigned int Heightmap_PointContents(model_t *model, vec3_t axis[3], vec3_t org)
{
heightmap_t *hm = model->terrain;
unsigned int cont;
brushes_t *br;
unsigned int i, j;
float dist;
cont = Heightmap_PointContentsHM(hm, 0, org);
if (cont & FTECONTENTS_SOLID)
return cont;
for (i = 0; i < hm->numbrushes; i++)
{
br = &hm->wbrushes[i];
for (j = 0; j < br->numplanes; j++)
{
/*
for (k=0 ; k<3 ; k++)
{
if (in_normals[j][k] < 0)
best[k] = br->maxs[k];
else
best[k] = br->mins[k];
}
*/
dist = DotProduct (org/*best*/, br->planes[j]);
dist = br->planes[j][3] - dist;
if (dist < 0)
break;
}
if (j == br->numplanes)
{
cont |= br->contents;
}
}
return cont;
}
unsigned int Heightmap_NativeBoxContents(model_t *model, int hulloverride, framestate_t *framestate, vec3_t axis[3], vec3_t org, vec3_t mins, vec3_t maxs)
{
heightmap_t *hm = model->terrain;
return Heightmap_PointContentsHM(hm, mins[2], org);
}
void Heightmap_Normal(heightmap_t *hm, vec3_t org, vec3_t norm)
{
#if 0
norm[0] = 0;
norm[1] = 0;
norm[2] = 1;
#else
float x, y;
int sx, sy;
vec3_t d1, d2;
const float wbias = CHUNKBIAS * hm->sectionsize;
hmsection_t *s;
norm[0] = 0;
norm[1] = 0;
norm[2] = 1;
sx = (org[0]+wbias)/hm->sectionsize;
sy = (org[1]+wbias)/hm->sectionsize;
if (sx < hm->firstsegx || sy < hm->firstsegy)
return;
if (sx >= hm->maxsegx || sy >= hm->maxsegy)
return;
s = Terr_GetSection(hm, sx, sy, TGS_TRYLOAD);
if (!s)
return;
x = (org[0]+wbias - (sx*hm->sectionsize))*(SECTHEIGHTSIZE-1)/hm->sectionsize;
y = (org[1]+wbias - (sy*hm->sectionsize))*(SECTHEIGHTSIZE-1)/hm->sectionsize;
sx = x; x-=sx;
sy = y; y-=sy;
if (x+y>1) //the 1, 1 triangle
{
//0, 1
//1, 1
//1, 0
d1[0] = (hm->sectionsize / SECTHEIGHTSIZE);
d1[1] = 0;
d1[2] = (s->heights[(sx+1)+(sy+1)*SECTHEIGHTSIZE] - s->heights[(sx+0)+(sy+1)*SECTHEIGHTSIZE]);
d2[0] = 0;
d2[1] = (hm->sectionsize / SECTHEIGHTSIZE);
d2[2] = (s->heights[(sx+1)+(sy+1)*SECTHEIGHTSIZE] - s->heights[(sx+1)+(sy+0)*SECTHEIGHTSIZE]);
}
else
{ //the 0,0 triangle
//0, 1
//1, 0
//0, 0
d1[0] = (hm->sectionsize / SECTHEIGHTSIZE);
d1[1] = 0;
d1[2] = (s->heights[(sx+1)+(sy+0)*SECTHEIGHTSIZE] - s->heights[(sx+0)+(sy+0)*SECTHEIGHTSIZE]);
d2[0] = 0;
d2[1] = (hm->sectionsize / SECTHEIGHTSIZE);
d2[2] = (s->heights[(sx+0)+(sy+1)*SECTHEIGHTSIZE] - s->heights[(sx+0)+(sy+0)*SECTHEIGHTSIZE]);
}
VectorNormalize(d1);
VectorNormalize(d2);
CrossProduct(d1, d2, norm);
VectorNormalize(norm);
#endif
}
typedef struct {
vec3_t start;
vec3_t end;
vec3_t impact;
vec4_t plane;
vec3_t mins;
vec3_t maxs;
vec3_t absmins;
vec3_t absmaxs;
vec3_t up;
vec3_t capsulesize;
enum {ispoint, iscapsule, isbox} shape;
qboolean startsolid;
double nearfrac;
float truefrac;
float htilesize;
heightmap_t *hm;
int contents;
int hitcontentsmask;
trace_t *result;
#ifdef _DEBUG
qboolean debug;
#endif
} hmtrace_t;
static int Heightmap_Trace_Brush(hmtrace_t *tr, vec4_t *planes, int numplanes, brushes_t *brushinfo)
{
qboolean startout;
float *enterplane;
double enterfrac, exitfrac, nearfrac=0;
double enterdist=0;
double dist, d1, d2, f;
unsigned int i, j;
vec3_t ofs;
startout = false;
enterplane= NULL;
enterfrac = -1;
exitfrac = 10;
for (i = 0; i < numplanes; i++)
{
/*calculate the distance based upon the shape of the object we're tracing for*/
switch(tr->shape)
{
default:
case isbox: // general box case
// push the plane out apropriately for mins/maxs
// FIXME: use signbits into 8 way lookup for each mins/maxs
for (j=0 ; j<3 ; j++)
{
if (planes[i][j] < 0)
ofs[j] = tr->maxs[j];
else
ofs[j] = tr->mins[j];
}
dist = DotProduct (ofs, planes[i]);
dist = planes[i][3] - dist;
break;
case iscapsule:
dist = DotProduct(tr->up, planes[i]);
dist = dist*(tr->capsulesize[(dist<0)?1:2]) - tr->capsulesize[0];
dist = planes[i][3] - dist;
break;
case ispoint: // special point case
dist = planes[i][3];
break;
}
d1 = DotProduct (tr->start, planes[i]) - dist;
d2 = DotProduct (tr->end, planes[i]) - dist;
//if we're fully outside any plane, then we cannot possibly enter the brush, skip to the next one
if (d1 > 0 && d2 >= d1)
return false;
if (d1 > 0)
startout = true;
//if we're fully inside the plane, then whatever is happening is not relevent for this plane
if (d1 < 0 && d2 <= 0)
continue;
f = (d1) / (d1-d2);
if (d1 > d2)
{
//entered the brush. favour the furthest fraction to avoid extended edges (yay for convex shapes)
if (enterfrac < f)
{
enterfrac = f;
nearfrac = (d1 - (0.03125)) / (d1-d2);
enterplane = planes[i];
enterdist = dist;
}
}
else
{
//left the brush, favour the nearest plane (smallest frac)
if (exitfrac > f)
{
exitfrac = f;
}
}
}
//non-point traces need to clip against the brush's edges
if (brushinfo && tr->shape != ispoint && brushinfo->axialplanes != 0x3f)
{
static vec3_t axis[] = {{1,0,0},{0,1,0},{0,0,1},{-1,0,0},{0,-1,0},{0,0,-1}};
for (i = 0; i < 6; i++)
{
// if (brushinfo->axialplanes & (1u<<i))
// continue; //should have already checked this plane.
if (i >= 3)
{
/*calculate the distance based upon the shape of the object we're tracing for*/
switch(tr->shape)
{
default:
case isbox:
dist = -tr->maxs[i-3];
dist = -brushinfo->mins[i-3] - dist;
break;
case iscapsule:
dist = -tr->up[i-3];
dist = dist*(tr->capsulesize[(dist<0)?1:2]) - tr->capsulesize[0];
dist = -brushinfo->mins[i-3] - dist;
break;
case ispoint:
dist = -brushinfo->mins[i-3];
break;
}
d1 = -tr->start[i-3] - dist;
d2 = -tr->end[i-3] - dist;
}
else
{
switch(tr->shape)
{
default:
case isbox:
dist = brushinfo->maxs[i] - tr->mins[i];
break;
case iscapsule:
dist = tr->up[i];
dist = dist*(tr->capsulesize[(dist<0)?1:2]) - tr->capsulesize[0];
dist = brushinfo->maxs[i] - dist;
break;
case ispoint:
dist = brushinfo->maxs[i];
break;
}
d1 = (tr->start[i]) - dist;
d2 = (tr->end[i]) - dist;
}
//if we're fully outside any plane, then we cannot possibly enter the brush, skip to the next one
if (d1 > 0 && d2 >= d1)
return false;
if (d1 > 0)
startout = true;
//if we're fully inside the plane, then whatever is happening is not relevent for this plane
if (d1 <= 0 && d2 <= 0)
continue;
f = (d1) / (d1-d2);
if (d1 > d2)
{
//entered the brush. favour the furthest fraction to avoid extended edges (yay for convex shapes)
if (enterfrac < f)
{
enterfrac = f;
nearfrac = (d1 - (0.03125)) / (d1-d2);
enterplane = axis[i];
enterdist = dist;
}
}
else
{
//left the brush, favour the nearest plane (smallest frac)
if (exitfrac > f)
{
exitfrac = f;
}
}
}
}
if (!startout)
{
#if 0//def _DEBUG
if (tr->debug)
{
vecV_t facepoints[256];
unsigned int numpoints;
for (i = 0; i < numplanes; i++)
{
scenetris_t *t;
extern shader_t *shader_draw_fill;
//generate points now (so we know the correct mins+maxs for the brush, and whether the plane is relevent)
numpoints = Terr_GenerateBrushFace(facepoints, countof(facepoints), planes, numplanes, planes[i]);
if (cl_numstrisvert+numpoints > cl_maxstrisvert)
break;
if (cl_numstrisidx+(numpoints-2)*3 > cl_maxstrisidx)
break;
if (cl_numstris == cl_maxstris)
{
cl_maxstris+=8;
cl_stris = BZ_Realloc(cl_stris, sizeof(*cl_stris)*cl_maxstris);
}
t = &cl_stris[cl_numstris++];
t->shader = shader_draw_fill;
t->flags = 0;
t->firstidx = cl_numstrisidx;
t->firstvert = cl_numstrisvert;
for (j = 2; j < numpoints; j++)
{
cl_strisidx[cl_numstrisidx++] = 0;
cl_strisidx[cl_numstrisidx++] = j-1;
cl_strisidx[cl_numstrisidx++] = j;
}
for (j = 0; j < numpoints; j++)
{
VectorCopy(facepoints[j], cl_strisvertv[cl_numstrisvert]);
cl_strisvertv[cl_numstrisvert][2] += 1;
Vector4Set(cl_strisvertc[cl_numstrisvert], 1, 0, 0, 0.2);
Vector2Set(cl_strisvertt[cl_numstrisvert], 0, 0);
cl_numstrisvert++;
}
t->numidx = cl_numstrisidx - t->firstidx;
t->numvert = cl_numstrisvert-t->firstvert;
}
}
#endif
tr->startsolid = true;
return false;
}
if (enterfrac != -1 && enterfrac < exitfrac)
{
//impact!
if (enterfrac < tr->truefrac)
{
if (nearfrac < 0)
nearfrac = 0;
tr->nearfrac = nearfrac;
tr->truefrac = enterfrac;
tr->plane[3] = enterdist;
VectorCopy(enterplane, tr->plane);
#if 0//def _DEBUG
if (tr->debug)
{
vecV_t facepoints[256];
unsigned int numpoints;
for (i = 0; i < numplanes; i++)
{
scenetris_t *t;
extern shader_t *shader_draw_fill;
//generate points now (so we know the correct mins+maxs for the brush, and whether the plane is relevent)
numpoints = Terr_GenerateBrushFace(facepoints, countof(facepoints), planes, numplanes, planes[i]);
if (cl_numstrisvert+numpoints > cl_maxstrisvert)
break;
if (cl_numstrisidx+(numpoints-2)*3 > cl_maxstrisidx)
break;
if (cl_numstris == cl_maxstris)
{
cl_maxstris+=8;
cl_stris = BZ_Realloc(cl_stris, sizeof(*cl_stris)*cl_maxstris);
}
t = &cl_stris[cl_numstris++];
t->shader = shader_draw_fill;
t->flags = 0;
t->firstidx = cl_numstrisidx;
t->firstvert = cl_numstrisvert;
for (j = 2; j < numpoints; j++)
{
cl_strisidx[cl_numstrisidx++] = 0;
cl_strisidx[cl_numstrisidx++] = j-1;
cl_strisidx[cl_numstrisidx++] = j;
}
for (j = 0; j < numpoints; j++)
{
VectorCopy(facepoints[j], cl_strisvertv[cl_numstrisvert]);
cl_strisvertv[cl_numstrisvert][2] += 1;
Vector4Set(cl_strisvertc[cl_numstrisvert], 0, 1, 0, 0.2);
Vector2Set(cl_strisvertt[cl_numstrisvert], 0, 0);
cl_numstrisvert++;
}
t->numidx = cl_numstrisidx - t->firstidx;
t->numvert = cl_numstrisvert-t->firstvert;
}
}
#endif
return ((vec4_t*)enterplane - planes)+1;
}
}
return false;
}
//sx,sy are the tile coord
//note that tile SECTHEIGHTSIZE-1 does not exist, as the last sample overlaps the first sample of the next section
static void Heightmap_Trace_Square(hmtrace_t *tr, int tx, int ty)
{
vec3_t d[2];
vec3_t p[4];
vec4_t n[6];
int i;
#ifndef STRICTEDGES
float d1, d2;
#endif
int sx, sy;
hmsection_t *s;
unsigned int holerow;
unsigned int holebit;
sx = tx/(SECTHEIGHTSIZE-1);
sy = ty/(SECTHEIGHTSIZE-1);
if (sx < tr->hm->firstsegx || sx >= tr->hm->maxsegx ||
sy < tr->hm->firstsegy || sy >= tr->hm->maxsegy)
s = NULL;
else
s = Terr_GetSection(tr->hm, sx, sy, TGS_TRYLOAD|TGS_WAITLOAD|TGS_ANYSTATE);
if (!s || s->loadstate != TSLS_LOADED)
{
if ((tr->hitcontentsmask & tr->hm->exteriorcontents) || (s && s->loadstate != TSLS_FAILED))
{
//you're not allowed to walk into sections that have not loaded.
//might as well check the entire section instead of just one tile
Vector4Set(n[0], 1, 0, 0, (tx/(SECTHEIGHTSIZE-1) + 1 - CHUNKBIAS)*tr->hm->sectionsize);
Vector4Set(n[1], -1, 0, 0, -(tx/(SECTHEIGHTSIZE-1) + 0 - CHUNKBIAS)*tr->hm->sectionsize);
Vector4Set(n[2], 0, 1, 0, (ty/(SECTHEIGHTSIZE-1) + 1 - CHUNKBIAS)*tr->hm->sectionsize);
Vector4Set(n[3], 0, -1, 0, -(ty/(SECTHEIGHTSIZE-1) + 0 - CHUNKBIAS)*tr->hm->sectionsize);
Heightmap_Trace_Brush(tr, n, 4, NULL);
}
return;
}
if (s->traceseq != tr->hm->traceseq && s->numents)
{
s->traceseq = tr->hm->traceseq;
Sys_LockMutex(tr->hm->entitylock);
for (i = 0; i < s->numents; i++)
{
vec3_t start_l, end_l;
trace_t etr;
model_t *model;
if (s->ents[i]->traceseq == tr->hm->traceseq)
continue;
s->ents[i]->traceseq = tr->hm->traceseq;
model = s->ents[i]->ent.model;
//FIXME: IGNORE the entity if it isn't loaded yet? surely that's bad?
if (!model || model->loadstate != MLS_LOADED || !model->funcs.NativeTrace)
continue;
//figure out where on the submodel the trace is.
VectorSubtract (tr->start, s->ents[i]->ent.origin, start_l);
VectorSubtract (tr->end, s->ents[i]->ent.origin, end_l);
// start_l[2] -= tr->mins[2];
// end_l[2] -= tr->mins[2];
VectorScale(start_l, s->ents[i]->ent.scale, start_l);
VectorScale(end_l, s->ents[i]->ent.scale, end_l);
//skip if the local trace points are outside the model's bounds
/* for (j = 0; j < 3; j++)
{
if (start_l[j]+tr->mins[j] > model->maxs[j] && end_l[j]+tr->mins[j] > model->maxs[j])
continue;
if (start_l[j]+tr->maxs[j] < model->mins[j] && end_l[j]+tr->maxs[j] < model->mins[j])
continue;
}
*/
//do the trace
memset(&etr, 0, sizeof(etr));
etr.fraction = 1;
model->funcs.NativeTrace (model, 0, &s->ents[i]->ent.framestate, s->ents[i]->ent.axis, start_l, end_l, tr->mins, tr->maxs, tr->shape == iscapsule, tr->hitcontentsmask, &etr);
if (etr.startsolid)
{ //many many bsp objects are not enclosed 'properly' (qbsp strips any surfaces outside the world).
//this means that such bsps extend to infinity, resulting in sudden glitchy stuck issues when you enter a section containing such a bsp
//so if we started solid, constrain that solidity to the volume of the submodel
VectorCopy (s->ents[i]->ent.axis[0], n[0]);
VectorNegate(s->ents[i]->ent.axis[0], n[1]);
VectorCopy (s->ents[i]->ent.axis[1], n[2]);
VectorNegate(s->ents[i]->ent.axis[1], n[3]);
VectorCopy (s->ents[i]->ent.axis[2], n[4]);
VectorNegate(s->ents[i]->ent.axis[2], n[5]);
n[0][3] = DotProduct(n[0], s->ents[i]->ent.origin) + model->maxs[0];
n[1][3] = DotProduct(n[1], s->ents[i]->ent.origin) + -model->mins[0];
n[2][3] = DotProduct(n[2], s->ents[i]->ent.origin) + model->maxs[1];
n[3][3] = DotProduct(n[3], s->ents[i]->ent.origin) + -model->mins[1];
n[4][3] = DotProduct(n[4], s->ents[i]->ent.origin) + model->maxs[2];
n[5][3] = DotProduct(n[5], s->ents[i]->ent.origin) + -model->mins[2];
Heightmap_Trace_Brush(tr, n, 6, NULL);
}
else
{
tr->result->startsolid |= etr.startsolid;
tr->result->allsolid |= etr.allsolid;
if (etr.fraction < tr->nearfrac)
{
tr->contents = etr.contents;
tr->truefrac = etr.truefraction;
tr->nearfrac = etr.fraction;
tr->plane[3] = etr.plane.dist;
tr->plane[0] = etr.plane.normal[0];
tr->plane[1] = etr.plane.normal[1];
tr->plane[2] = etr.plane.normal[2];
}
}
}
Sys_UnlockMutex(tr->hm->entitylock);
}
sx = tx - CHUNKBIAS*(SECTHEIGHTSIZE-1);
sy = ty - CHUNKBIAS*(SECTHEIGHTSIZE-1);
tx = tx % (SECTHEIGHTSIZE-1);
ty = ty % (SECTHEIGHTSIZE-1);
holerow = ((ty<<3)/(SECTHEIGHTSIZE-1));
holebit = 1u<<((tx<<3)/(SECTHEIGHTSIZE-1));
if (s->holes[holerow] & holebit)
return; //no collision with holes
switch(tr->hm->mode)
{
case HMM_BLOCKS:
//left-most
Vector4Set(n[0], -1, 0, 0, -tr->htilesize*(sx+0));
//bottom-most
Vector4Set(n[1], 0, 1, 0, tr->htilesize*(sy+1));
//right-most
Vector4Set(n[2], 1, 0, 0, tr->htilesize*(sx+1));
//top-most
Vector4Set(n[3], 0, -1, 0, -tr->htilesize*(sy+0));
//top
Vector4Set(n[4], 0, 0, 1, s->heights[(tx+0)+(ty+0)*SECTHEIGHTSIZE]);
Heightmap_Trace_Brush(tr, n, 5, NULL);
return;
case HMM_TERRAIN:
VectorSet(p[0], tr->htilesize*(sx+0), tr->htilesize*(sy+0), s->heights[(tx+0)+(ty+0)*SECTHEIGHTSIZE]);
VectorSet(p[1], tr->htilesize*(sx+1), tr->htilesize*(sy+0), s->heights[(tx+1)+(ty+0)*SECTHEIGHTSIZE]);
VectorSet(p[2], tr->htilesize*(sx+0), tr->htilesize*(sy+1), s->heights[(tx+0)+(ty+1)*SECTHEIGHTSIZE]);
VectorSet(p[3], tr->htilesize*(sx+1), tr->htilesize*(sy+1), s->heights[(tx+1)+(ty+1)*SECTHEIGHTSIZE]);
VectorSet(n[5], 0, 0, 1);
#ifndef STRICTEDGES
d1 = fabs(p[0][2] - p[3][2]);
d2 = fabs(p[1][2] - p[2][2]);
if (d1 < d2)
{
/*generate the brush (in world space*/
{
VectorSubtract(p[3], p[0], d[0]);
VectorSubtract(p[2], p[0], d[1]);
//left-most
Vector4Set(n[0], -1, 0, 0, -tr->htilesize*(sx+0));
//bottom-most
Vector4Set(n[1], 0, 1, 0, tr->htilesize*(sy+1));
//top-right
VectorSet(n[2], 0.70710678118654752440084436210485, -0.70710678118654752440084436210485, 0);
n[2][3] = DotProduct(n[2], p[0]);
//top
VectorNormalize(d[0]);
VectorNormalize(d[1]);
CrossProduct(d[0], d[1], n[3]);
VectorNormalize(n[3]);
n[3][3] = DotProduct(n[3], p[0]);
//down
VectorNegate(n[3], n[4]);
n[4][3] = DotProduct(n[4], p[0]) - n[4][2]*TERRAINTHICKNESS;
n[5][3] = max(p[0][2], p[2][2]);
n[5][3] = max(n[5][3], p[3][2]);
Heightmap_Trace_Brush(tr, n, 6, NULL);
}
{
VectorSubtract(p[3], p[0], d[0]);
VectorSubtract(p[3], p[1], d[1]);
//right-most
Vector4Set(n[0], 1, 0, 0, tr->htilesize*(sx+1));
//top-most
Vector4Set(n[1], 0, -1, 0, -tr->htilesize*(sy+0));
//bottom-left
VectorSet(n[2], -0.70710678118654752440084436210485, 0.70710678118654752440084436210485, 0);
n[2][3] = DotProduct(n[2], p[0]);
//top
VectorNormalize(d[0]);
VectorNormalize(d[1]);
CrossProduct(d[0], d[1], n[3]);
VectorNormalize(n[3]);
n[3][3] = DotProduct(n[3], p[0]);
//down
VectorNegate(n[3], n[4]);
n[4][3] = DotProduct(n[4], p[0]) - n[4][2]*TERRAINTHICKNESS;
n[5][3] = max(p[0][2], p[1][2]);
n[5][3] = max(n[5][3], p[3][2]);
Heightmap_Trace_Brush(tr, n, 6, NULL);
}
}
else
#endif
{
/*generate the brush (in world space*/
{
VectorSubtract(p[1], p[0], d[0]);
VectorSubtract(p[2], p[0], d[1]);
//left-most
Vector4Set(n[0], -1, 0, 0, -tr->htilesize*(sx+0));
//top-most
Vector4Set(n[1], 0, -1, 0, -tr->htilesize*(sy+0));
//bottom-right
VectorSet(n[2], 0.70710678118654752440084436210485, 0.70710678118654752440084436210485, 0);
n[2][3] = DotProduct(n[2], p[1]);
//top
VectorNormalize(d[0]);
VectorNormalize(d[1]);
CrossProduct(d[0], d[1], n[3]);
VectorNormalize(n[3]);
n[3][3] = DotProduct(n[3], p[1]);
//down
VectorNegate(n[3], n[4]);
n[4][3] = DotProduct(n[4], p[1]) - n[4][2]*TERRAINTHICKNESS;
n[5][3] = max(p[0][2], p[1][2]);
n[5][3] = max(n[5][3], p[2][2]);
Heightmap_Trace_Brush(tr, n, 6, NULL);
}
{
VectorSubtract(p[3], p[2], d[0]);
VectorSubtract(p[3], p[1], d[1]);
//right-most
Vector4Set(n[0], 1, 0, 0, tr->htilesize*(sx+1));
//bottom-most
Vector4Set(n[1], 0, 1, 0, tr->htilesize*(sy+1));
//top-left
VectorSet(n[2], -0.70710678118654752440084436210485, -0.70710678118654752440084436210485, 0);
n[2][3] = DotProduct(n[2], p[1]);
//top
VectorNormalize(d[0]);
VectorNormalize(d[1]);
CrossProduct(d[0], d[1], n[3]);
VectorNormalize(n[3]);
n[3][3] = DotProduct(n[3], p[1]);
//down
VectorNegate(n[3], n[4]);
n[4][3] = DotProduct(n[4], p[1]) - n[4][2]*TERRAINTHICKNESS;
n[5][3] = max(p[1][2], p[2][2]);
n[5][3] = max(n[5][3], p[3][2]);
Heightmap_Trace_Brush(tr, n, 6, NULL);
}
}
break;
}
}
#define DIST_EPSILON 0
/*
Heightmap_TraceRecurse
Traces an arbitary box through a heightmap. (interface with outside)
Why is recursion good?
1: it is consistant with bsp models. :)
2: it allows us to use any size model we want
3: we don't have to work out the height of the terrain every X units, but can be more precise.
Obviously, we don't care all that much about 1
*/
qboolean Heightmap_Trace(struct model_s *model, int hulloverride, framestate_t *framestate, vec3_t mataxis[3], vec3_t start, vec3_t end, vec3_t mins, vec3_t maxs, qboolean capsule, unsigned int against, struct trace_s *trace)
{
vec2_t pos;
vec2_t frac;
vec2_t emins;
vec2_t emaxs;
vec3_t tmp;
int ipos[2], npos[2];
int x, y, e;
int axis;
int breaklimit = 1000;
float zbias;
hmtrace_t hmtrace;
hmtrace.hm = model->terrain;
hmtrace.hm->traceseq++;
hmtrace.htilesize = hmtrace.hm->sectionsize / (SECTHEIGHTSIZE-1);
hmtrace.nearfrac = hmtrace.truefrac = 1;
hmtrace.contents = 0;
hmtrace.hitcontentsmask = against;
hmtrace.plane[0] = 0;
hmtrace.plane[1] = 0;
hmtrace.plane[2] = 0;
hmtrace.plane[3] = 0;
if (capsule)
{
hmtrace.shape = iscapsule;
zbias = 0;
if (mataxis)
VectorSet(hmtrace.up, mataxis[0][2], -mataxis[1][2], mataxis[2][2]);
else
VectorSet(hmtrace.up, 0, 0, 1);
//determine the capsule sizes
hmtrace.capsulesize[0] = ((maxs[0]-mins[0]) + (maxs[1]-mins[1]))/4.0;
hmtrace.capsulesize[1] = maxs[2];
hmtrace.capsulesize[2] = mins[2];
// zbias = (trace_capsulesize[1] > -hmtrace.capsulesize[2])?hmtrace.capsulesize[1]:-hmtrace.capsulesize[2];
hmtrace.capsulesize[1] -= hmtrace.capsulesize[0];
hmtrace.capsulesize[2] += hmtrace.capsulesize[0];
zbias = 0;
}
else if (mins[0] || mins[1] || mins[2] || maxs[0] || maxs[1] || maxs[2])
{
hmtrace.shape = isbox;
zbias = 0;
}
else
{
hmtrace.shape = ispoint;
zbias = mins[2];
}
memset(trace, 0, sizeof(*trace));
hmtrace.result = trace;
hmtrace.startsolid = false;
//to tile space
hmtrace.start[0] = (start[0]);
hmtrace.start[1] = (start[1]);
hmtrace.start[2] = (start[2] + zbias);
hmtrace.end[0] = (end[0]);
hmtrace.end[1] = (end[1]);
hmtrace.end[2] = (end[2] + zbias);
// mins = vec3_origin;
// maxs = vec3_origin;
VectorCopy(mins, hmtrace.mins);
VectorCopy(maxs, hmtrace.maxs);
//determine extents
VectorAdd(hmtrace.start, hmtrace.mins, hmtrace.absmins);
VectorCopy(hmtrace.absmins, hmtrace.absmaxs);
VectorAdd(hmtrace.start, hmtrace.maxs, tmp);
AddPointToBounds (tmp, hmtrace.absmins, hmtrace.absmaxs);
VectorAdd(hmtrace.end, hmtrace.mins, tmp);
AddPointToBounds (tmp, hmtrace.absmins, hmtrace.absmaxs);
VectorAdd(hmtrace.end, hmtrace.maxs, tmp);
AddPointToBounds (tmp, hmtrace.absmins, hmtrace.absmaxs);
hmtrace.absmaxs[0] += 1;
hmtrace.absmaxs[1] += 1;
hmtrace.absmaxs[2] += 1;
hmtrace.absmins[0] -= 1;
hmtrace.absmins[1] -= 1;
hmtrace.absmins[2] -= 1;
//figure out where we are in terms of tiles
pos[0] = (hmtrace.start[0]+CHUNKBIAS*hmtrace.hm->sectionsize)/hmtrace.htilesize;
pos[1] = (hmtrace.start[1]+CHUNKBIAS*hmtrace.hm->sectionsize)/hmtrace.htilesize;
emins[0] = (mins[0]-1.5)/hmtrace.htilesize;
emins[1] = (mins[1]-1.5)/hmtrace.htilesize;
emaxs[0] = (maxs[0]+1.5)/hmtrace.htilesize;
emaxs[1] = (maxs[1]+1.5)/hmtrace.htilesize;
//Test code
if (0)
{
vec2_t minb, maxb;
Vector2Copy(pos, minb);
Vector2Copy(pos, maxb);
npos[0] = (hmtrace.end[0]+CHUNKBIAS*hmtrace.hm->sectionsize)/hmtrace.htilesize;
npos[1] = (hmtrace.end[1]+CHUNKBIAS*hmtrace.hm->sectionsize)/hmtrace.htilesize;
if (npos[0] > pos[0])
maxb[0] = pos[0];
else
minb[0] = pos[0];
if (npos[1] > pos[1])
maxb[1] = pos[1];
else
minb[1] = pos[1];
minb[0] += emins[0];
minb[1] += emins[1];
maxb[0] += emaxs[0];
maxb[1] += emaxs[1];
for (y = floor(minb[1]); y <= ceil(maxb[1]); y++)
for (x = floor(minb[0]); x <= ceil(maxb[0]); x++)
Heightmap_Trace_Square(&hmtrace, x, y);
}
//make sure the start tile is valid
for (y = floor(pos[1] + emins[1]); y <= ceil(pos[1] + emaxs[1]); y++)
for (x = floor(pos[0] + emins[0]); x <= ceil(pos[0] + emaxs[0]); x++)
Heightmap_Trace_Square(&hmtrace, x, y);
//now walk over the terrain
if (hmtrace.end[0] != hmtrace.start[0] || hmtrace.end[1] != hmtrace.start[1])
{
vec2_t dir, trstart, trdist;
//figure out the leading point
for (axis = 0; axis < 2; axis++)
{
trdist[axis] = hmtrace.end[axis]-hmtrace.start[axis];
dir[axis] = (hmtrace.end[axis] - hmtrace.start[axis])/hmtrace.htilesize;
if (dir[axis] > 0)
{
ipos[axis] = pos[axis] + emins[axis];
trstart[axis] = CHUNKBIAS*hmtrace.hm->sectionsize + (maxs[axis]) + hmtrace.start[axis];
}
else
{
ipos[axis] = pos[axis] + emaxs[axis];
trstart[axis] = CHUNKBIAS*hmtrace.hm->sectionsize + (mins[axis]) + hmtrace.start[axis];
}
trstart[axis] /= hmtrace.htilesize;
trdist[axis] /= hmtrace.htilesize;
}
for(;;)
{
if (breaklimit--< 0)
break;
for (axis = 0; axis < 2; axis++)
{
if (dir[axis] > 0)
{
npos[axis] = ipos[axis]+1;
frac[axis] = (npos[axis]-trstart[axis])/trdist[axis];
}
else if (dir[axis] < 0)
{
npos[axis] = ipos[axis];
frac[axis] = (ipos[axis]-trstart[axis])/trdist[axis];
}
else
frac[axis] = 1000000000000000.0;
}
//which side are we going down?
if (frac[0] < frac[1])
axis = 0;
else
axis = 1;
if (frac[axis] >= 1)
break;
//progress to the crossed boundary
if (dir[axis] < 0)
ipos[axis] = ipos[axis]-1;
else
ipos[axis] = ipos[axis]+1;
axis = !axis;
if (dir[axis] > 0)
{ //leading edge is on the right, so start on the left and keep going until we hit the leading edge
npos[0] = ipos[0];
npos[1] = ipos[1];
npos[axis] -= ceil(emins[axis]-emaxs[axis]);
e = ipos[axis];
npos[axis] -= 1;
e++;
for (; npos[axis] <= e; npos[axis]++)
Heightmap_Trace_Square(&hmtrace, npos[0], npos[1]);
}
else
{
//leading edge is on the left
npos[0] = ipos[0];
npos[1] = ipos[1];
e = ipos[axis] + ceil(emaxs[axis]-emins[axis]);
npos[axis] -= 1;
e++;
for (; npos[axis] <= e; npos[axis]++)
Heightmap_Trace_Square(&hmtrace, npos[0], npos[1]);
}
// axis = !axis;
//and make sure our position on the other axis is correct, for the next time around the loop
// if (frac[axis] > hmtrace.truefrac)
// break;
}
}
//FIXME: optimise into the section grid
{
brushes_t *brushes = hmtrace.hm->wbrushes;
int count = hmtrace.hm->numbrushes;
for (count = hmtrace.hm->numbrushes; count-->0; brushes++)
{
if (brushes->contents & against)
{
int face;
if (hmtrace.absmaxs[0] < brushes->mins[0] ||
hmtrace.absmaxs[1] < brushes->mins[1] ||
hmtrace.absmaxs[2] < brushes->mins[2])
continue;
if (hmtrace.absmins[0] > brushes->maxs[0] ||
hmtrace.absmins[1] > brushes->maxs[1] ||
hmtrace.absmins[2] > brushes->maxs[2])
continue;
face = Heightmap_Trace_Brush(&hmtrace, brushes->planes, brushes->numplanes, brushes);
if (face)
{
trace->brush_id = brushes->id;
trace->brush_face = face;
}
}
}
}
trace->plane.dist = hmtrace.plane[3];
trace->plane.normal[0] = hmtrace.plane[0];
trace->plane.normal[1] = hmtrace.plane[1];
trace->plane.normal[2] = hmtrace.plane[2];
trace->startsolid = trace->allsolid = hmtrace.startsolid;
if (hmtrace.nearfrac < 0)
hmtrace.nearfrac = 0;
trace->fraction = hmtrace.nearfrac;
trace->truefraction = hmtrace.truefrac;
VectorInterpolate(start, hmtrace.nearfrac, end, trace->endpos);
return trace->fraction < 1;
}
qboolean Heightmap_Trace_Test(struct model_s *model, int hulloverride, framestate_t *framestate, vec3_t mataxis[3], vec3_t start, vec3_t end, vec3_t mins, vec3_t maxs, qboolean capsule, unsigned int against, struct trace_s *trace)
{
qboolean ret = Heightmap_Trace(model, hulloverride, framestate, mataxis, start, end, mins, maxs, capsule, against, trace);
if (!trace->startsolid)
{
trace_t testtrace;
Heightmap_Trace(model, hulloverride, framestate, mataxis, trace->endpos, trace->endpos, mins, maxs, capsule, against, &testtrace);
if (testtrace.startsolid)
{
Con_DPrintf("Trace became solid\n");
trace->fraction = 0;
VectorCopy(start, trace->endpos);
trace->startsolid = trace->allsolid = true;
}
}
return ret;
}
typedef struct
{
int id;
int pos[3];
} hmpvs_t;
typedef struct
{
int id;
int min[3], max[3];
} hmpvsent_t;
unsigned int Heightmap_FatPVS (model_t *mod, vec3_t org, pvsbuffer_t *pvsbuffer, qboolean add)
{
//embed the org onto the pvs
hmpvs_t *hmpvs;
if (pvsbuffer->buffersize < sizeof(*hmpvs))
pvsbuffer->buffer = BZ_Realloc(pvsbuffer->buffer, pvsbuffer->buffersize=sizeof(*hmpvs));
hmpvs = (hmpvs_t*)pvsbuffer->buffer;
hmpvs->id = 0xdeadbeef;
VectorCopy(org, hmpvs->pos);
return sizeof(*hmpvs);
}
#ifndef CLIENTONLY
qboolean Heightmap_EdictInFatPVS (model_t *mod, struct pvscache_s *edict, qbyte *pvsdata)
{
heightmap_t *hm = mod->terrain;
int o[3], i;
hmpvs_t *hmpvs = (hmpvs_t*)pvsdata;
hmpvsent_t *hmed = (hmpvsent_t*)edict;
if (!hm->culldistance)
return true;
//check distance
for (i = 0; i < 3; i++)
{
if (hmpvs->pos[i] < hmed->min[i])
o[i] = hmed->min[i] - hmpvs->pos[i];
else if (hmpvs->pos[i] > hmed->max[i])
o[i] = hmed->max[i] - hmpvs->pos[i];
else
o[i] = 0;
}
return DotProduct(o,o) < hm->culldistance;
}
void Heightmap_FindTouchedLeafs (model_t *mod, pvscache_t *ent, float *mins, float *maxs)
{
hmpvsent_t *hmed = (hmpvsent_t*)ent;
VectorCopy(mins, hmed->min);
VectorCopy(maxs, hmed->max);
}
#endif
void Heightmap_LightPointValues (model_t *mod, vec3_t point, vec3_t res_diffuse, vec3_t res_ambient, vec3_t res_dir)
{
res_diffuse[0] = 128;
res_diffuse[1] = 128;
res_diffuse[2] = 128;
res_ambient[0] = 64;
res_ambient[1] = 64;
res_ambient[2] = 64;
res_dir[0] = 1;//sin(time);
res_dir[1] = 0;//cos(time);
res_dir[2] = 0;//sin(time);
VectorNormalize(res_dir);
}
void Heightmap_StainNode (mnode_t *node, float *parms)
{
}
void Heightmap_MarkLights (dlight_t *light, int bit, mnode_t *node)
{
}
qbyte *Heightmap_ClusterPVS (model_t *model, int num, pvsbuffer_t *buffer, pvsmerge_t merge)
{
return NULL;
// static qbyte heightmappvs = 255;
// return &heightmappvs;
}
int Heightmap_ClusterForPoint (model_t *model, vec3_t point)
{
return -1;
}
#ifndef SERVERONLY
static unsigned char *QDECL Terr_GetLightmap(hmsection_t *s, int idx, qboolean edit)
{
unsigned char *lm;
int x = idx % SECTTEXSIZE, y = idx / SECTTEXSIZE;
if (s->lightmap < 0)
{
Terr_LoadSection(s->hmmod, s, s->sx, s->sy, true);
Terr_InitLightmap(s, true);
}
if (s->lightmap < 0)
return NULL;
if (edit)
{
s->flags |= TSF_EDITED;
lightmap[s->lightmap]->modified = true;
lightmap[s->lightmap]->rectchange.l = 0;
lightmap[s->lightmap]->rectchange.t = 0;
lightmap[s->lightmap]->rectchange.r = HMLMSTRIDE;
lightmap[s->lightmap]->rectchange.b = HMLMSTRIDE;
}
lm = lightmap[s->lightmap]->lightmaps;
lm += ((s->lmy+y) * HMLMSTRIDE + (s->lmx+x)) * lightmap_bytes;
return lm;
}
static void ted_dorelight(heightmap_t *hm)
{
unsigned char *lm = Terr_GetLightmap(hm->relight, 0, true);
int x, y;
#define EXPAND 2
vec3_t surfnorms[(SECTTEXSIZE+EXPAND*2)*(SECTTEXSIZE+EXPAND*2)];
// float scaletab[EXPAND*2*EXPAND*2];
vec3_t ldir = {0.4, 0.7, 2};
hmsection_t *s = hm->relight;
s->flags &= ~TSF_RELIGHT;
hm->relight = NULL;
if (s->lightmap < 0)
return;
for (y = -EXPAND; y < SECTTEXSIZE+EXPAND; y++)
for (x = -EXPAND; x < SECTTEXSIZE+EXPAND; x++)
{
vec3_t pos;
pos[0] = hm->relightmin[0] + (x*hm->sectionsize/(SECTTEXSIZE-1));
pos[1] = hm->relightmin[1] + (y*hm->sectionsize/(SECTTEXSIZE-1));
pos[2] = 0;
Heightmap_Normal(s->hmmod, pos, surfnorms[x+EXPAND + (y+EXPAND)*(SECTTEXSIZE+EXPAND*2)]);
}
VectorNormalize(ldir);
for (y = 0; y < SECTTEXSIZE; y++, lm += (HMLMSTRIDE-SECTTEXSIZE)*4)
for (x = 0; x < SECTTEXSIZE; x++, lm += 4)
{
vec3_t norm;
float d;
int sx,sy;
VectorClear(norm);
for (sy = -EXPAND; sy <= EXPAND; sy++)
for (sx = -EXPAND; sx <= EXPAND; sx++)
{
d = sqrt((EXPAND*2+1)*(EXPAND*2+1) - sx*sx+sy*sy);
VectorMA(norm, d, surfnorms[x+sx+EXPAND + (y+sy+EXPAND)*(SECTTEXSIZE+EXPAND*2)], norm);
}
VectorNormalize(norm);
d = DotProduct(ldir, norm);
if (d < 0)
d = 0;
// lm[0] = norm[0]*127 + 128;
// lm[1] = norm[1]*127 + 128;
// lm[2] = norm[2]*127 + 128;
lm[3] = 127 + d*128;
}
lightmap[s->lightmap]->modified = true;
lightmap[s->lightmap]->rectchange.l = 0;
lightmap[s->lightmap]->rectchange.t = 0;
lightmap[s->lightmap]->rectchange.r = HMLMSTRIDE;
lightmap[s->lightmap]->rectchange.b = HMLMSTRIDE;
}
static void ted_sethole(void *ctx, hmsection_t *s, int idx, float wx, float wy, float w)
{
unsigned int row = idx/9;
unsigned int col = idx%9;
unsigned int bit;
unsigned int mask;
if (row == 8 || col == 8)
return; //meh, our painting function is written with an overlap of 1
if (w <= 0)
return;
mask = 1u<<(col);
if (*(float*)ctx > 0)
bit = mask;
else
bit = 0;
s->flags |= TSF_NOTIFY|TSF_DIRTY|TSF_EDITED;
s->holes[row] = (s->holes[row] & ~mask) | bit;
}
static void ted_heighttally(void *ctx, hmsection_t *s, int idx, float wx, float wy, float w)
{
/*raise the terrain*/
((float*)ctx)[0] += s->heights[idx]*w;
((float*)ctx)[1] += w;
}
static void ted_heightsmooth(void *ctx, hmsection_t *s, int idx, float wx, float wy, float w)
{
s->flags |= TSF_NOTIFY|TSF_DIRTY|TSF_EDITED|TSF_RELIGHT;
/*interpolate the terrain towards a certain value*/
if (IS_NAN(s->heights[idx]))
s->heights[idx] = *(float*)ctx;
else
s->heights[idx] = s->heights[idx]*(1-w) + w**(float*)ctx;
}
static void ted_heightdebug(void *ctx, hmsection_t *s, int idx, float wx, float wy, float w)
{
int tx = idx/SECTHEIGHTSIZE, ty = idx % SECTHEIGHTSIZE;
s->flags |= TSF_NOTIFY|TSF_DIRTY|TSF_EDITED|TSF_RELIGHT;
/*interpolate the terrain towards a certain value*/
if (tx == 16)
tx = 0;
if (ty == 16)
ty = 0;
// if (ty < tx)
// tx = ty;
s->heights[idx] = (tx>>1) * 32 + (ty>>1) * 32;
}
static void ted_heightraise(void *ctx, hmsection_t *s, int idx, float wx, float wy, float strength)
{
s->flags |= TSF_NOTIFY|TSF_DIRTY|TSF_EDITED|TSF_RELIGHT;
/*raise the terrain*/
s->heights[idx] += strength;
}
static void ted_heightset(void *ctx, hmsection_t *s, int idx, float wx, float wy, float strength)
{
s->flags |= TSF_NOTIFY|TSF_DIRTY|TSF_EDITED|TSF_RELIGHT;
/*set the terrain to a specific value*/
s->heights[idx] = *(float*)ctx;
}
static void ted_waterset(void *ctx, hmsection_t *s, int idx, float wx, float wy, float strength)
{
struct hmwater_s *w = s->water;
if (!w)
w = Terr_GenerateWater(s, *(float*)ctx);
s->flags |= TSF_NOTIFY|TSF_DIRTY|TSF_EDITED;
//FIXME: water doesn't render properly. don't let people make dodgy water regions because they can't see it.
//this is temp code.
//for (idx = 0; idx < 9*9; idx++)
//w->heights[idx] = *(float*)ctx;
//end fixme
w->heights[idx] = *(float*)ctx;
if (w->minheight > w->heights[idx])
w->minheight = w->heights[idx];
if (w->maxheight < w->heights[idx])
w->maxheight = w->heights[idx];
//FIXME: what about holes?
}
static void ted_texconcentrate(void *ctx, hmsection_t *s, int idx, float wx, float wy, float w)
{
unsigned char *lm = Terr_GetLightmap(s, idx, true);
s->flags |= TSF_NOTIFY|TSF_EDITED;
/*concentrate the lightmap values to a single channel*/
if (lm[0] > lm[1] && lm[0] > lm[2] && lm[0] > (255-(lm[0]+lm[1]+lm[2])))
{
lm[0] = lm[0]*(1-w) + 255*(w);
lm[1] = lm[1]*(1-w) + 0*(w);
lm[2] = lm[2]*(1-w) + 0*(w);
}
else if (lm[1] > lm[2] && lm[1] > (255-(lm[0]+lm[1]+lm[2])))
{
lm[0] = lm[0]*(1-w) + 0*(w);
lm[1] = lm[1]*(1-w) + 255*(w);
lm[2] = lm[2]*(1-w) + 0*(w);
}
else if (lm[2] > (255-(lm[0]+lm[1]+lm[2])))
{
lm[0] = lm[0]*(1-w) + 0*(w);
lm[1] = lm[1]*(1-w) + 0*(w);
lm[2] = lm[2]*(1-w) + 255*(w);
}
else
{
lm[0] = lm[0]*(1-w) + 0*(w);
lm[1] = lm[1]*(1-w) + 0*(w);
lm[2] = lm[2]*(1-w) + 0*(w);
}
}
static void ted_texnoise(void *ctx, hmsection_t *s, int idx, float wx, float wy, float w)
{
unsigned char *lm = Terr_GetLightmap(s, idx, true);
vec4_t v;
float sc;
s->flags |= TSF_NOTIFY|TSF_EDITED;
/*randomize the lightmap somewhat (you'll probably want to concentrate it a bit after)*/
v[0] = (rand()&255);
v[1] = (rand()&255);
v[2] = (rand()&255);
v[3] = (rand()&255);
sc = v[0] + v[1] + v[2] + v[3];
Vector4Scale(v, 255/sc, v);
lm[0] = lm[0]*(1-w) + (v[0]*(w));
lm[1] = lm[1]*(1-w) + (v[1]*(w));
lm[2] = lm[2]*(1-w) + (v[2]*(w));
}
static void ted_texpaint(void *ctx, hmsection_t *s, int idx, float wx, float wy, float w)
{
unsigned char *lm = Terr_GetLightmap(s, idx, true);
const char *texname = ctx;
int t;
vec4_t newval;
if (w > 1)
w = 1;
s->flags |= TSF_NOTIFY|TSF_EDITED;
for (t = 0; t < 4; t++)
{
if (!strncmp(s->texname[t], texname, sizeof(s->texname[t])-1))
{
int extra;
newval[0] = (t == 0);
newval[1] = (t == 1);
newval[2] = (t == 2);
newval[3] = (t == 3);
extra = 255 - (lm[0]+lm[1]+lm[2]);
lm[2] = lm[2]*(1-w) + (255*newval[0]*(w));
lm[1] = lm[1]*(1-w) + (255*newval[1]*(w));
lm[0] = lm[0]*(1-w) + (255*newval[2]*(w));
extra = extra*(1-w) + (255*newval[3]*(w));
//the extra stuff is to cope with numerical precision. add any lost values to the new texture instead of the implicit one
extra = 255 - (extra+lm[0]+lm[1]+lm[2]);
if (t != 3)
lm[2-t] += extra;
return;
}
}
/*special handling to make a section accept the first texture painted on it as a base texture. no more chessboard*/
if (!*s->texname[0] && !*s->texname[1] && !*s->texname[2] && !*s->texname[3])
{
Q_strncpyz(s->texname[3], texname, sizeof(s->texname[3]));
Terr_LoadSectionTextures(s);
for (idx = 0; idx < SECTTEXSIZE*SECTTEXSIZE; idx++)
{
lm = Terr_GetLightmap(s, idx, true);
lm[2] = 0;
lm[1] = 0;
lm[0] = 0;
}
return;
}
for (t = 0; t < 4; t++)
{
if (!*s->texname[t])
{
Q_strncpyz(s->texname[t], texname, sizeof(s->texname[t]));
newval[0] = (t == 0);
newval[1] = (t == 1);
newval[2] = (t == 2);
lm[2] = lm[2]*(1-w) + (255*newval[0]*(w));
lm[1] = lm[1]*(1-w) + (255*newval[1]*(w));
lm[0] = lm[0]*(1-w) + (255*newval[2]*(w));
Terr_LoadSectionTextures(s);
return;
}
}
}
static void ted_texreplace(void *ctx, hmsection_t *s, int idx, float wx, float wy, float w)
{
if (w > 0)
ted_texpaint(ctx, s, idx, wx, wy, 1);
}
/*
static void ted_texlight(void *ctx, hmsection_t *s, int idx, float wx, float wy, float w)
{
unsigned char *lm = ted_getlightmap(s, idx);
vec3_t pos, pos2;
vec3_t norm, tnorm;
vec3_t ldir = {0.4, 0.7, 2};
float d;
int x,y;
trace_t tr;
VectorClear(norm);
for (y = -4; y < 4; y++)
for (x = -4; x < 4; x++)
{
pos[0] = wx - (CHUNKBIAS + x/64.0) * s->hmmod->sectionsize;
pos[1] = wy - (CHUNKBIAS + y/64.0) * s->hmmod->sectionsize;
#if 0
pos[2] = 10000;
pos2[0] = wx - (CHUNKBIAS + x/64.0) * s->hmmod->sectionsize;
pos2[1] = wy - (CHUNKBIAS + y/64.0) * s->hmmod->sectionsize;
pos2[2] = -10000;
Heightmap_Trace(cl.worldmodel, 0, 0, NULL, pos, pos2, vec3_origin, vec3_origin, FTECONTENTS_SOLID, &tr);
VectorCopy(tr.plane.normal, tnorm);
#else
Heightmap_Normal(s->hmmod, pos, tnorm);
#endif
d = sqrt(32 - x*x+y*y);
VectorMA(norm, d, tnorm, norm);
}
VectorNormalize(ldir);
VectorNormalize(norm);
d = DotProduct(ldir, norm);
if (d < 0)
d = 0;
lm[3] = d*255;
}
*/
static void ted_texset(void *ctx, hmsection_t *s, int idx, float wx, float wy, float w)
{
unsigned char *lm = Terr_GetLightmap(s, idx, true);
if (w > 1)
w = 1;
s->flags |= TSF_NOTIFY|TSF_EDITED;
lm[2] = lm[2]*(1-w) + (255*((float*)ctx)[0]*(w));
lm[1] = lm[1]*(1-w) + (255*((float*)ctx)[1]*(w));
lm[0] = lm[0]*(1-w) + (255*((float*)ctx)[2]*(w));
}
static void ted_textally(void *ctx, hmsection_t *s, int idx, float wx, float wy, float w)
{
unsigned char *lm = Terr_GetLightmap(s, idx, false);
((float*)ctx)[0] += lm[0]*w;
((float*)ctx)[1] += lm[1]*w;
((float*)ctx)[2] += lm[2]*w;
((float*)ctx)[3] += w;
}
static void ted_tint(void *ctx, hmsection_t *s, int idx, float wx, float wy, float w)
{
float *col = s->colours[idx];
float *newval = ctx;
if (w > 1)
w = 1;
s->flags |= TSF_NOTIFY|TSF_DIRTY|TSF_EDITED|TSF_HASCOLOURS; /*dirty because of the vbo*/
col[0] = col[0]*(1-w) + (newval[0]*(w));
col[1] = col[1]*(1-w) + (newval[1]*(w));
col[2] = col[2]*(1-w) + (newval[2]*(w));
col[3] = col[3]*(1-w) + (newval[3]*(w));
}
enum
{
tid_linear,
tid_exponential,
tid_square_linear,
tid_square_exponential,
tid_flat
};
//calls 'func' for each tile upon the terrain. the 'tile' can be either height or texel
static void ted_itterate(heightmap_t *hm, int distribution, float *pos, float radius, float strength, int steps, void(*func)(void *ctx, hmsection_t *s, int idx, float wx, float wy, float strength), void *ctx)
{
int tx, ty;
float wx, wy;
float sc[2];
int min[2], max[2];
int sx,sy;
hmsection_t *s;
float w, xd, yd;
if (radius < 0)
{
radius *= -1;
distribution |= 2;
}
min[0] = floor((pos[0] - radius)/(hm->sectionsize) - 1.5);
min[1] = floor((pos[1] - radius)/(hm->sectionsize) - 1.5);
max[0] = ceil((pos[0] + radius)/(hm->sectionsize) + 1.5);
max[1] = ceil((pos[1] + radius)/(hm->sectionsize) + 1.5);
min[0] = bound(hm->firstsegx, min[0], hm->maxsegx);
min[1] = bound(hm->firstsegy, min[1], hm->maxsegy);
max[0] = bound(hm->firstsegx, max[0], hm->maxsegx);
max[1] = bound(hm->firstsegy, max[1], hm->maxsegy);
sc[0] = hm->sectionsize/(steps-1);
sc[1] = hm->sectionsize/(steps-1);
for (sy = min[1]; sy < max[1]; sy++)
{
for (sx = min[0]; sx < max[0]; sx++)
{
s = Terr_GetSection(hm, sx, sy, TGS_WAITLOAD|TGS_DEFAULTONFAIL);
if (!s)
continue;
for (ty = 0; ty < steps; ty++)
{
wy = (sy*(steps-1.0) + ty)*sc[1];
yd = wy - pos[1];// - sc[1]/4;
for (tx = 0; tx < steps; tx++)
{
/*both heights and textures have an overlapping/matching sample at the edge, there's no need for any half-pixels or anything here*/
wx = (sx*(steps-1.0) + tx)*sc[0];
xd = wx - pos[0];// - sc[0]/4;
switch(distribution)
{
case tid_exponential:
w = radius*radius - (xd*xd+yd*yd);
if (w > 0)
func(ctx, s, tx+ty*steps, wx, wy, sqrt(w)*strength/(radius));
break;
case tid_linear:
w = radius - sqrt(xd*xd+yd*yd);
if (w > 0)
func(ctx, s, tx+ty*steps, wx, wy, w*strength/(radius));
break;
case tid_square_exponential:
w = max(fabs(xd), fabs(yd));
w = radius*radius - w*w;
if (w > 0)
func(ctx, s, tx+ty*steps, wx, wy, sqrt(w)*strength/(radius));
break;
case tid_square_linear:
w = max(fabs(xd), fabs(yd));
w = radius - w;
if (w > 0)
func(ctx, s, tx+ty*steps, wx, wy, w*strength/(radius));
break;
case tid_flat:
w = max(fabs(xd), fabs(yd));
w = radius - w;
if (w > 0)
func(ctx, s, tx+ty*steps, wx, wy, strength);
break;
}
}
}
}
}
}
void ted_texkill(hmsection_t *s, const char *killtex)
{
int x, y, t, to;
if (!s)
return;
for (t = 0; t < 4; t++)
{
if (!strcmp(s->texname[t], killtex))
{
unsigned char *lm = Terr_GetLightmap(s, 0, true);
s->flags |= TSF_EDITED;
s->texname[t][0] = 0;
for (to = 0; to < 4; to++)
if (*s->texname[to])
break;
if (to == 4)
to = 0;
if (to == 0 || to == 2)
to = 2 - to;
if (t == 0 || t == 2)
t = 2 - t;
for (y = 0; y < SECTTEXSIZE; y++)
{
for (x = 0; x < SECTTEXSIZE; x++, lm+=4)
{
if (t == 3)
{
//to won't be 3
lm[to] = lm[to] + (255 - (lm[0] + lm[1] + lm[2]));
}
else
{
if (to != 3)
lm[to] = (lm[to]+lm[t])&0xff;
lm[t] = 0;
}
}
lm += SECTTEXSIZE*4*(LMCHUNKS-1);
}
if (t == 0 || t == 2)
t = 2 - t;
Terr_LoadSectionTextures(s);
}
}
}
void QCBUILTIN PF_terrain_edit(pubprogfuncs_t *prinst, struct globalvars_s *pr_globals)
{
world_t *vmw = prinst->parms->user;
int action = G_FLOAT(OFS_PARM0);
vec3_t pos;// G_VECTOR(OFS_PARM1);
float radius = G_FLOAT(OFS_PARM2);
float quant = G_FLOAT(OFS_PARM3);
int modelindex = ((wedict_t*)PROG_TO_EDICT(prinst, *vmw->g.self))->v->modelindex;
// G_FLOAT(OFS_RETURN) = Heightmap_Edit(w->worldmodel, action, pos, radius, quant);
model_t *mod = vmw->Get_CModel(vmw, modelindex);
heightmap_t *hm;
vec4_t tally;
G_FLOAT(OFS_RETURN) = 0;
if (!mod)
return;
if (!mod->terrain)
{
if (mod->loadstate == MLS_LOADING)
COM_WorkerPartialSync(mod, &mod->loadstate, MLS_LOADING);
}
if (mod->loadstate != MLS_LOADED)
return;
switch(action)
{
case ter_ent_get:
{
int idx = G_INT(OFS_PARM1);
if (!mod->numentityinfo)
Mod_ParseEntities(mod);
if (idx >= mod->numentityinfo || !mod->entityinfo[idx].keyvals)
G_INT(OFS_RETURN) = 0;
else
G_INT(OFS_RETURN) = PR_TempString(prinst, mod->entityinfo[idx].keyvals);
}
return;
case ter_ent_set:
{
int idx = G_INT(OFS_PARM1);
int id;
const char *newvals;
if (idx >= MAX_EDICTS) //we need some sanity limit... many ents will get removed like lights so this one isn't quite correct, but it'll be in the right sort of ballpark.
{
G_INT(OFS_RETURN) = 0;
return;
}
//if there's no ents, then that's a problem. make sure that there's at least a worldspawn.
if (!mod->numentityinfo)
Mod_ParseEntities(mod);
//make sure we don't have any cached entities string, by wiping it all.
Z_Free((char*)mod->entities_raw);
mod->entities_raw = NULL;
G_INT(OFS_RETURN) = 0;
if (idx < mod->numentityinfo)
{
if (!G_INT(OFS_PARM2) && !mod->entityinfo[idx].keyvals)
return; //no-op
Z_Free(mod->entityinfo[idx].keyvals);
mod->entityinfo[idx].keyvals = NULL;
id = mod->entityinfo[idx].id;
}
else
id = 0;
if (G_INT(OFS_PARM2))
{
newvals = PR_GetStringOfs(prinst, OFS_PARM2);
if (idx >= mod->numentityinfo)
Z_ReallocElements((void**)&mod->entityinfo, &mod->numentityinfo, idx+64, sizeof(*mod->entityinfo));
mod->entityinfo[idx].keyvals = Z_StrDup(newvals);
if (!id)
id = (idx+1) | ((cl.playerview[0].playernum+1)<<24);
mod->entityinfo[idx].id = id;
}
else
{
newvals = NULL;
if (idx < mod->numentityinfo)
mod->entityinfo[idx].id = 0;
}
#ifndef CLIENTONLY
if (sv.state && modelindex > 0)
{
MSG_WriteByte(&sv.multicast, svcfte_brushedit);
MSG_WriteShort(&sv.multicast, modelindex);
MSG_WriteByte(&sv.multicast, newvals?hmcmd_ent_edit:hmcmd_ent_remove);
MSG_WriteLong(&sv.multicast, id);
if (newvals)
MSG_WriteString(&sv.multicast, newvals);
SV_MulticastProtExt(vec3_origin, MULTICAST_ALL_R, ~0, 0, 0);
//tell ssqc, csqc will be told by the server
SSQC_MapEntityEdited(modelindex, idx, newvals);
}
else
#endif
#ifndef SERVERONLY
if (cls.state && modelindex > 0)
{
MSG_WriteByte(&cls.netchan.message, clcfte_brushedit);
MSG_WriteShort(&cls.netchan.message, modelindex);
MSG_WriteByte(&cls.netchan.message, newvals?hmcmd_ent_edit:hmcmd_ent_remove);
MSG_WriteLong(&cls.netchan.message, id);
if (newvals)
MSG_WriteString(&cls.netchan.message, newvals);
#ifdef CSQC_DAT
CSQC_MapEntityEdited(modelindex, idx, newvals);
#endif
}
else
#endif
{
#ifdef CSQC_DAT
CSQC_MapEntityEdited(modelindex, idx, newvals);
#endif
}
}
return;
case ter_ent_add:
{
// int idx = G_INT(OFS_PARM1);
// const char *news = PR_GetStringOfs(prinst, OFS_PARM2);
G_INT(OFS_RETURN) = mod->numentityinfo;
}
return;
case ter_ent_count:
if (!mod->numentityinfo)
Mod_ParseEntities(mod);
G_INT(OFS_RETURN) = mod->numentityinfo;
return;
case ter_ents_wipe_deprecated:
G_INT(OFS_RETURN) = PR_TempString(prinst, Mod_GetEntitiesString(mod));
Mod_SetEntitiesString(mod, "", true);
return;
case ter_ents_concat_deprecated:
{
char *newv;
const char *olds = Mod_GetEntitiesString(mod);
const char *news = PR_GetStringOfs(prinst, OFS_PARM1);
size_t oldlen = strlen(olds);
size_t newlen = strlen(news);
newv = Z_Malloc(oldlen + newlen + 1);
memcpy(newv, olds, oldlen);
memcpy(newv+oldlen, news, newlen);
newv[oldlen + newlen] = 0;
Z_Free((char*)olds);
G_FLOAT(OFS_RETURN) = oldlen + newlen;
Mod_SetEntitiesString(mod, newv, false);
if (mod->terrain)
{
hm = mod->terrain;
hm->entsdirty = true;
}
}
return;
case ter_ents_get:
G_INT(OFS_RETURN) = PR_TempString(prinst, Mod_GetEntitiesString(mod));
return;
case ter_save:
if (mod->terrain)
{
quant = Heightmap_Save(mod->terrain);
Con_DPrintf("ter_save: %g sections saved\n", quant);
}
G_FLOAT(OFS_RETURN) = quant;
/*
if (mod->type == mod_brush)
{
Con_Printf("that model isn't a suitable worldmodel\n");
return;
}
else
{
FS_CreatePath(fname, FS_GAMEONLY);
file = FS_OpenVFS(fname, "wb", FS_GAMEONLY);
if (!file)
Con_Printf("unable to open %s\n", fname);
else
{
Terr_WriteMapFile(file, mod);
VFS_CLOSE(file);
}
}*/
return;
}
if (!mod->terrain)
{
char basename[MAX_QPATH];
COM_FileBase(mod->name, basename, sizeof(basename));
mod->terrain = Mod_LoadTerrainInfo(mod, basename, true);
hm = mod->terrain;
if (!hm)
return;
Terr_FinishTerrain(mod);
}
hm = mod->terrain;
pos[0] = G_FLOAT(OFS_PARM1+0) + hm->sectionsize * CHUNKBIAS;
pos[1] = G_FLOAT(OFS_PARM1+1) + hm->sectionsize * CHUNKBIAS;
pos[2] = G_FLOAT(OFS_PARM1+2);
switch(action)
{
case ter_reload:
G_FLOAT(OFS_RETURN) = 1;
Terr_PurgeTerrainModel(mod, false, true);
break;
case ter_sethole:
/* {
int x, y;
hmsection_t *s;
x = pos[0]*4 / hm->sectionsize;
y = pos[1]*4 / hm->sectionsize;
x = bound(hm->firstsegx*4, x, hm->maxsegx*4-1);
y = bound(hm->firstsegy*4, y, hm->maxsegy*4-1);
s = Terr_GetSection(hm, x/4, y/4, TGS_FORCELOAD);
if (!s)
return;
ted_sethole(&quant, s, (x&3) + (y&3)*4, x/4, y/4, 0);
}
*/
pos[0] -= 0.5 * hm->sectionsize / 8;
pos[1] -= 0.5 * hm->sectionsize / 8;
ted_itterate(hm, tid_linear, pos, radius, 1, 9, ted_sethole, &quant);
break;
case ter_height_set:
ted_itterate(hm, tid_linear, pos, radius, 1, SECTHEIGHTSIZE, ted_heightset, &quant);
break;
case ter_height_flatten:
tally[0] = 0;
tally[1] = 0;
ted_itterate(hm, tid_exponential, pos, radius, 1, SECTHEIGHTSIZE, ted_heighttally, &tally);
tally[0] /= tally[1];
if (IS_NAN(tally[0]))
tally[0] = 0;
ted_itterate(hm, tid_exponential, pos, radius, quant, SECTHEIGHTSIZE, ted_heightsmooth, &tally);
ted_itterate(hm, tid_exponential, pos, radius, quant, SECTHEIGHTSIZE, ted_heightdebug, &tally);
break;
case ter_height_smooth:
tally[0] = 0;
tally[1] = 0;
ted_itterate(hm, tid_linear, pos, radius, 1, SECTHEIGHTSIZE, ted_heighttally, &tally);
tally[0] /= tally[1];
if (IS_NAN(tally[0]))
tally[0] = 0;
ted_itterate(hm, tid_linear, pos, radius, quant, SECTHEIGHTSIZE, ted_heightsmooth, &tally);
break;
case ter_height_spread:
tally[0] = 0;
tally[1] = 0;
ted_itterate(hm, tid_exponential, pos, radius/2, 1, SECTHEIGHTSIZE, ted_heighttally, &tally);
tally[0] /= tally[1];
if (IS_NAN(tally[0]))
tally[0] = 0;
ted_itterate(hm, tid_exponential, pos, radius, 1, SECTHEIGHTSIZE, ted_heightsmooth, &tally);
break;
case ter_water_set:
ted_itterate(hm, tid_linear, pos, radius, 1, 9, ted_waterset, &quant);
break;
case ter_lower:
quant *= -1;
case ter_raise:
ted_itterate(hm, tid_exponential, pos, radius, quant, SECTHEIGHTSIZE, ted_heightraise, &quant);
break;
case ter_tint:
ted_itterate(hm, tid_exponential, pos, radius, quant, SECTHEIGHTSIZE, ted_tint, G_VECTOR(OFS_PARM4)); //and parm5 too
break;
// case ter_mixset:
// ted_itterate(hm, tid_exponential, pos, radius, 1, SECTTEXSIZE, ted_mixset, G_VECTOR(OFS_PARM4));
// break;
case ter_tex_blend:
ted_itterate(hm, tid_exponential, pos, radius, quant/10, SECTTEXSIZE, ted_texpaint, (void*)PR_GetStringOfs(prinst, OFS_PARM4));
break;
case ter_tex_replace:
ted_itterate(hm, tid_exponential, pos, radius, 1, SECTTEXSIZE, ted_texreplace, (void*)PR_GetStringOfs(prinst, OFS_PARM3));
break;
case ter_tex_concentrate:
ted_itterate(hm, tid_exponential, pos, radius, 1, SECTTEXSIZE, ted_texconcentrate, NULL);
break;
case ter_tex_noise:
ted_itterate(hm, tid_exponential, pos, radius, 1, SECTTEXSIZE, ted_texnoise, NULL);
break;
case ter_tex_blur:
Vector4Set(tally, 0, 0, 0, 0);
ted_itterate(hm, tid_exponential, pos, radius, 1, SECTTEXSIZE, ted_textally, &tally);
VectorScale(tally, 1/(tally[3]*255), tally);
ted_itterate(hm, tid_exponential, pos, radius, quant, SECTTEXSIZE, ted_texset, &tally);
break;
case ter_tex_get:
{
int x, y;
hmsection_t *s;
x = pos[0] / hm->sectionsize;
y = pos[1] / hm->sectionsize;
x = bound(hm->firstsegx, x, hm->maxsegx-1);
y = bound(hm->firstsegy, y, hm->maxsegy-1);
s = Terr_GetSection(hm, x, y, TGS_WAITLOAD|TGS_DEFAULTONFAIL);
if (!s)
return;
x = bound(0, quant, 3);
G_INT(OFS_RETURN) = PR_TempString(prinst, s->texname[x]);
}
break;
case ter_tex_mask:
Z_Free(hm->texmask);
hm->texmask = NULL;
if (G_INT(OFS_PARM1) == 0)
hm->texmask = NULL;
else
hm->texmask = Z_StrDup(PR_GetStringOfs(prinst, OFS_PARM1));
break;
case ter_tex_kill:
{
int x, y;
x = pos[0] / hm->sectionsize;
y = pos[1] / hm->sectionsize;
x = bound(hm->firstsegx, x, hm->maxsegx-1);
y = bound(hm->firstsegy, y, hm->maxsegy-1);
ted_texkill(Terr_GetSection(hm, x, y, TGS_WAITLOAD|TGS_DEFAULTONFAIL), PR_GetStringOfs(prinst, OFS_PARM4));
}
break;
case ter_reset:
{
int x, y;
hmsection_t *s;
x = pos[0] / hm->sectionsize;
y = pos[1] / hm->sectionsize;
x = bound(hm->firstsegx, x, hm->maxsegx-1);
y = bound(hm->firstsegy, y, hm->maxsegy-1);
s = Terr_GetSection(hm, x, y, TGS_WAITLOAD|TGS_DEFAULTONFAIL);
if (s)
{
s->flags = (s->flags & ~TSF_EDITED);
Terr_ClearSection(s);
Terr_GenerateDefault(hm, s);
}
}
break;
case ter_mesh_add:
{
vec3_t axis[3];
wedict_t *ed = G_WEDICT(prinst, OFS_PARM1);
//FIXME: modeltype pitch inversion
AngleVectorsFLU(ed->v->angles, axis[0], axis[1], axis[2]);
Terr_AddMesh(hm, TGS_WAITLOAD|TGS_DEFAULTONFAIL, vmw->Get_CModel(vmw, ed->v->modelindex), NULL, ed->v->origin, axis, ed->xv->scale);
}
break;
case ter_mesh_kill:
{
int i;
// entity_t *e;
int x, y;
// float r;
hmsection_t *s;
x = pos[0] / hm->sectionsize;
y = pos[1] / hm->sectionsize;
x = bound(hm->firstsegx, x, hm->maxsegx-1);
y = bound(hm->firstsegy, y, hm->maxsegy-1);
s = Terr_GetSection(hm, x, y, TGS_WAITLOAD|TGS_DEFAULTONFAIL);
if (!s)
return;
Sys_LockMutex(hm->entitylock);
//FIXME: this doesn't work properly.
if (s->numents)
{
for (i = 0; i < s->numents; i++)
s->ents[i]->refs -= 1;
s->flags |= TSF_EDITED;
s->numents = 0;
}
Sys_UnlockMutex(hm->entitylock);
}
break;
}
}
#else
static unsigned char *QDECL Terr_GetLightmap(hmsection_t *s, int idx, qboolean edit)
{
return NULL;
}
void QCBUILTIN PF_terrain_edit(pubprogfuncs_t *prinst, struct globalvars_s *pr_globals)
{
G_FLOAT(OFS_RETURN) = 0;
}
#endif
void Terr_ParseEntityLump(model_t *mod, heightmap_t *heightmap)
{
char key[128];
char value[2048];
const char *data = Mod_GetEntitiesString(mod);
heightmap->sectionsize = 1024;
heightmap->mode = HMM_TERRAIN;
heightmap->culldistance = 4096*4096;
heightmap->forcedefault = false;
heightmap->defaultgroundheight = 0;
heightmap->defaultwaterheight = 0;
Q_snprintfz(heightmap->defaultwatershader, sizeof(heightmap->defaultwatershader), "water/%s", heightmap->path);
Q_strncpyz(heightmap->defaultgroundtexture, "", sizeof(heightmap->defaultgroundtexture));
if (data)
if ((data=COM_ParseOut(data, key, sizeof(key)))) //read the map info.
if (key[0] == '{')
while (1)
{
if (!(data=COM_ParseOut(data, key, sizeof(key))))
break; // error
if (key[0] == '}')
break; // end of worldspawn
if (key[0] == '_')
memmove(key, key+1, strlen(key)); //_ vars are for comments/utility stuff that arn't visible to progs and for compat. We want to support these stealth things.
if (!((data=COM_ParseOut(data, value, sizeof(value)))))
break; // error
if (!strcmp("segmentsize", key))
heightmap->sectionsize = atof(value);
else if (!strcmp("minxsegment", key))
heightmap->firstsegx = atoi(value);
else if (!strcmp("minysegment", key))
heightmap->firstsegy = atoi(value);
else if (!strcmp("maxxsegment", key))
heightmap->maxsegx = atoi(value);
else if (!strcmp("maxysegment", key))
heightmap->maxsegy = atoi(value);
else if (!strcmp("forcedefault", key))
heightmap->forcedefault = !!atoi(value);
else if (!strcmp("defaultwaterheight", key))
heightmap->defaultwaterheight = atof(value);
else if (!strcmp("defaultgroundheight", key))
heightmap->defaultgroundheight = atof(value);
else if (!strcmp("defaultgroundtexture", key))
Q_strncpyz(heightmap->defaultgroundtexture, value, sizeof(heightmap->defaultgroundtexture));
else if (!strcmp("defaultwatertexture", key))
Q_strncpyz(heightmap->defaultwatershader, value, sizeof(heightmap->defaultwatershader));
else if (!strcmp("culldistance", key))
{
heightmap->culldistance = atof(value);
heightmap->culldistance *= heightmap->culldistance;
}
else if (!strcmp("drawdist", key))
heightmap->maxdrawdist = atof(value);
else if (!strcmp("seed", key))
{
Z_Free(heightmap->seed);
heightmap->seed = Z_StrDup(value);
}
else if (!strcmp("exterior", key))
{
heightmap->legacyterrain = false;
if (!strcmp(value, "empty") || !strcmp(value, ""))
heightmap->exteriorcontents = FTECONTENTS_EMPTY;
else if (!strcmp(value, "sky"))
heightmap->exteriorcontents = FTECONTENTS_SKY;
else if (!strcmp(value, "lava"))
heightmap->exteriorcontents = FTECONTENTS_LAVA;
else //if (!strcmp(value, "solid"))
heightmap->exteriorcontents = FTECONTENTS_SOLID;
}
else if (!strcmp("skybox", key))
Q_strncpyz(heightmap->skyname, value, sizeof(heightmap->skyname));
else if (!strcmp("tiles", key))
{
char *d;
heightmap->mode = HMM_BLOCKS;
d = value;
d = COM_ParseOut(d, key, sizeof(key));
heightmap->tilepixcount[0] = atoi(key);
d = COM_ParseOut(d, key, sizeof(key));
heightmap->tilepixcount[1] = atoi(key);
d = COM_ParseOut(d, key, sizeof(key));
heightmap->tilecount[0] = atoi(key);
d = COM_ParseOut(d, key, sizeof(key));
heightmap->tilecount[1] = atoi(key);
}
}
/*bias and bound it*/
heightmap->firstsegx += CHUNKBIAS;
heightmap->firstsegy += CHUNKBIAS;
heightmap->maxsegx += CHUNKBIAS;
heightmap->maxsegy += CHUNKBIAS;
if (heightmap->firstsegx < 0)
heightmap->firstsegx = 0;
if (heightmap->firstsegy < 0)
heightmap->firstsegy = 0;
if (heightmap->maxsegx > CHUNKLIMIT)
heightmap->maxsegx = CHUNKLIMIT;
if (heightmap->maxsegy > CHUNKLIMIT)
heightmap->maxsegy = CHUNKLIMIT;
}
void Terr_FinishTerrain(model_t *mod)
{
#ifndef SERVERONLY
heightmap_t *hm = mod->terrain;
if (qrenderer != QR_NONE)
{
if (*hm->skyname)
{
hm->skyshader = R_RegisterCustom(va("skybox_%s", hm->skyname), SUF_NONE, Shader_DefaultSkybox, NULL);
if (!hm->skyshader->skydome)
hm->skyshader = NULL;
}
else
hm->skyshader = NULL;
switch (hm->mode)
{
case HMM_BLOCKS:
hm->shader = R_RegisterShader("terraintileshader", SUF_NONE,
"{\n"
"{\n"
"map $diffuse\n"
"}\n"
"}\n"
);
break;
case HMM_TERRAIN:
hm->shader = R_RegisterShader(hm->groundshadername, SUF_LIGHTMAP,
"{\n"
"bemode rtlight\n"
"{\n"
"{\n"
"map $diffuse\n"
"blendfunc add\n"
"}\n"
//FIXME: these maps are a legacy thing, and could be removed if third-party glsl properly contains s_diffuse
"{\n"
"map $upperoverlay\n"
"}\n"
"{\n"
"map $loweroverlay\n"
"}\n"
"{\n"
"map $fullbright\n"
"}\n"
"{\n"
"map $lightmap\n"
"}\n"
"{\n"
"map $shadowmap\n"
"}\n"
"{\n"
"map $lightcubemap\n"
"}\n"
//woo, one glsl to rule them all
"program terrain#RTLIGHT\n"
"}\n"
"bemode depthdark\n"
"{\n"
"program depthonly\n"
"{\n"
"depthwrite\n"
"}\n"
"}\n"
"bemode depthonly\n"
"{\n"
"program depthonly\n"
"{\n"
"depthwrite\n"
"maskcolor\n"
"}\n"
"}\n"
//FIXME: these maps are a legacy thing, and could be removed if third-party glsl properly contains s_diffuse
"{\n"
"map $diffuse\n"
"rgbgen vertex\n"
"alphagen vertex\n"
"}\n"
"{\n"
"map $upperoverlay\n"
"}\n"
"{\n"
"map $loweroverlay\n"
"}\n"
"{\n"
"map $fullbright\n"
"}\n"
"{\n"
"map $lightmap\n"
"}\n"
"program terrain\n"
"if r_terraindebug\n"
"program terraindebug\n"
"endif\n"
"}\n"
);
break;
}
}
#endif
}
#ifndef SERVERONLY
void Terr_Brush_Draw(heightmap_t *hm, batch_t **batches, entity_t *e)
{
batch_t *b;
size_t i, j;
vbobctx_t ctx;
brushbatch_t *bb;
brushtex_t *bt;
brushes_t *br;
struct {
vecV_t coord[65536];
vec2_t texcoord[65536];
vec2_t lmcoord[65536];
vec3_t normal[65536];
vec3_t svector[65536];
vec3_t tvector[65536];
index_t index[65535];
} *arrays = NULL;
size_t numverts = 0;
size_t numindicies = 0;
int w, h, lmnum;
float scale[2];
lightmapinfo_t *lm;
qboolean dorelight = true;
#ifdef RUNTIMELIGHTING
//FIXME: lightmaps
//if we're enabling lightmaps, make sure all surfaces have known sizes first.
//allocate lightmap space for all surfaces, and then rebuild all textures.
//if a surface is modified, clear its lightmap to -1 and when its batches are rebuilt, it'll unlight naturally.
if (hm->entsdirty)
{
model_t *mod = e->model;
if (mod->submodelof)
mod = mod->submodelof;
hm->entsdirty = false;
LightReloadEntities(hm->relightcontext, Mod_GetEntitiesString(mod), true);
//FIXME: figure out some way to hint this without having to relight the entire frigging world.
for (bt = hm->brushtextures; bt; bt = bt->next)
for (i = 0, br = hm->wbrushes; i < hm->numbrushes; i++, br++)
for (j = 0; j < br->numplanes; j++)
br->faces[j].relight = true;
}
if (hm->recalculatebrushlighting && !r_fullbright.ival)
{
unsigned int lmcount;
unsigned int lmblocksize = 512;//LMBLOCK_SIZE_MAX
hm->recalculatebrushlighting = false;
if (!hm->relightcontext)
{
for (numverts = 0, numindicies = 0, i = 0, br = hm->wbrushes; i < hm->numbrushes; i++, br++)
{
for (j = 0; j < br->numplanes; j++)
{
br->faces[j].lightmap = -1;
br->faces[j].lmbase[0] = 0;
br->faces[j].lmbase[1] = 0;
}
}
for (bt = hm->brushtextures; bt; bt = bt->next)
{
bt->rebuild = true;
bt->firstlm = 0;
bt->lmcount = 0;
}
BZ_Free(hm->brushlmremaps);
hm->brushlmremaps = NULL;
hm->brushmaxlms = 0;
}
else
{
Mod_LightmapAllocInit(&hm->brushlmalloc, false, lmblocksize, lmblocksize, 0);
hm->brushlmscale = 1.0/lmblocksize;
//textures is to try to ensure that they are allocated consecutively.
for (bt = hm->brushtextures; bt; bt = bt->next)
{
bt->firstlm = hm->brushlmalloc.lmnum;
for (numverts = 0, numindicies = 0, i = 0, br = hm->wbrushes; i < hm->numbrushes; i++, br++)
{
for (j = 0; j < br->numplanes; j++)
{
if (br->faces[j].tex == bt)
{
if (br->faces[j].lightdata)
{
Mod_LightmapAllocBlock(&hm->brushlmalloc, br->faces[j].lmextents[0], br->faces[j].lmextents[1], &br->faces[j].lmbase[0], &br->faces[j].lmbase[1], &br->faces[j].lightmap);
br->faces[j].relit = true;
}
else
{ //this surface has no lightmap info or something.
br->faces[j].lightmap = -1;
br->faces[j].lmbase[0] = 0;
br->faces[j].lmbase[1] = 0;
}
}
}
}
bt->rebuild = true;
bt->lmcount = hm->brushlmalloc.lmnum - bt->firstlm;
if (hm->brushlmalloc.allocated[0])
bt->lmcount++;
if (hm->brushlmalloc.deluxe)
{
bt->firstlm *= 2;
bt->lmcount *= 2;
}
}
lmcount = hm->brushlmalloc.lmnum;
if (hm->brushlmalloc.allocated[0])
lmcount++;
if (hm->brushlmalloc.deluxe)
lmcount *= 2;
if (lmcount > hm->brushmaxlms)
{
int first;
hm->brushlmremaps = BZ_Realloc(hm->brushlmremaps, sizeof(*hm->brushlmremaps) * lmcount);
first = Surf_NewLightmaps(lmcount - hm->brushmaxlms, hm->brushlmalloc.width, hm->brushlmalloc.height, hm->brushlmalloc.deluxe);
while(hm->brushmaxlms < lmcount)
hm->brushlmremaps[hm->brushmaxlms++] = first++;
}
}
}
if (hm->relightcontext && !r_fullbright.ival)
for (i = 0, br = hm->wbrushes; i < hm->numbrushes; i++, br++)
{
for (j = 0; j < br->numplanes; j++)
{
if (br->faces[j].relight && dorelight)
{
qbyte styles[4] = {0,255,255,255};
int texsize[2] = {br->faces[j].lmextents[0]-1, br->faces[j].lmextents[1]-1};
vec2_t exactmins, exactmaxs;
int m, k;
vec2_t lm;
for (m = 0; m < br->faces[j].numpoints; m++)
{
for (k = 0; k < 2; k++)
{
lm[k] = DotProduct(br->faces[j].points[m], br->faces[j].stdir[k]) + br->faces[j].stdir[k][3];
if (m == 0)
exactmins[k] = exactmaxs[k] = lm[k];
else if (lm[k] > exactmaxs[k])
exactmaxs[k] = lm[k];
else if (lm[k] < exactmins[k])
exactmins[k] = lm[k];
}
}
dorelight = false;
br->faces[j].relight = false;
LightPlane (hm->relightcontext, hm->lightthreadmem, styles, br->faces[j].lightdata, NULL, br->planes[j], br->faces[j].stdir, exactmins, exactmaxs, br->faces[j].lmbias, texsize, br->faces[j].lmscale); //special version that doesn't know what a face is or anything.
br->faces[j].relit = true;
}
if (br->faces[j].relit && br->faces[j].lightmap >= 0)
{
int s,t;
qbyte *out, *in;
lm = lightmap[hm->brushlmremaps[br->faces[j].lightmap]];
br->faces[j].relit = false;
lm->modified = true;
lm->rectchange.l = 0;
lm->rectchange.t = 0;
lm->rectchange.r = lm->width;
lm->rectchange.b = lm->height;
in = br->faces[j].lightdata;
out = lm->lightmaps + (br->faces[j].lmbase[1] * lm->width + br->faces[j].lmbase[0]) * lightmap_bytes;
switch(lightmap_fmt)
{
default:
Sys_Error("Bad lightmap_fmt\n");
break;
case TF_BGRA32:
for (t = 0; t < br->faces[j].lmextents[1]; t++)
{
for (s = 0; s < br->faces[j].lmextents[0]; s++)
{
*out++ = in[2];
*out++ = in[1];
*out++ = in[0];
*out++ = 0xff;
in+=3;
}
out += (lm->width - br->faces[j].lmextents[0]) * 4;
}
break;
/*case TF_RGBA32:
for (t = 0; t < br->faces[j].lmextents[1]; t++)
{
for (s = 0; s < br->faces[j].lmextents[0]; s++)
{
*out++ = in[0];
*out++ = in[1];
*out++ = in[2];
*out++ = 0xff;
in+=3;
}
out += (lm->width - br->faces[j].lmextents[0]) * 4;
}
break;*/
/*case TF_BGR24:
for (t = 0; t < br->faces[j].lmextents[1]; t++)
{
for (s = 0; s < br->faces[j].lmextents[0]; s++)
{
*out++ = in[2];
*out++ = in[1];
*out++ = in[0];
in+=3;
}
out += (lm->width - br->faces[j].lmextents[0]) * 3;
}
break;*/
case TF_RGB24:
for (t = 0; t < br->faces[j].lmextents[1]; t++)
{
for (s = 0; s < br->faces[j].lmextents[0]; s++)
{
*out++ = in[0];
*out++ = in[1];
*out++ = in[2];
in+=3;
}
out += (lm->width - br->faces[j].lmextents[0]) * 3;
}
break;
}
}
}
}
#endif
for (bt = hm->brushtextures; bt; bt = bt->next)
{
if (!bt->shader)
{
#ifdef PACKAGE_TEXWAD
miptex_t *tx = W_GetMipTex(bt->shadername);
#else
const miptex_t *tx = NULL;
#endif
if (!Q_strcasecmp(bt->shadername, "clip"))
bt->shader = R_RegisterShader(bt->shadername, SUF_LIGHTMAP, "{\nsurfaceparm nodraw\n}");
else
bt->shader = R_RegisterCustom (bt->shadername, SUF_LIGHTMAP, Shader_DefaultBSPQ1, NULL);
// bt->shader = R_RegisterShader_Lightmap(bt->shadername);
if (!Q_strncasecmp(bt->shadername, "sky", 3) && tx)
R_InitSky (bt->shader, bt->shadername, (qbyte*)tx + tx->offsets[0], tx->width, tx->height);
else if (tx)
{
qbyte *mips[4] = {(qbyte*)tx + tx->offsets[0], (qbyte*)tx + tx->offsets[1], (qbyte*)tx + tx->offsets[2], (qbyte*)tx + tx->offsets[3]};
unsigned int mapflags = SHADER_HASPALETTED | SHADER_HASDIFFUSE | SHADER_HASFULLBRIGHT | SHADER_HASNORMALMAP | SHADER_HASGLOSS;
R_BuildLegacyTexnums(bt->shader, tx->name, NULL, mapflags, 0, TF_MIP4_SOLID8, tx->width, tx->height, mips, NULL);
}
else
R_BuildDefaultTexnums(NULL, bt->shader);
if (tx)
{
if (!bt->shader->width)
bt->shader->width = tx->width;
if (!bt->shader->height)
bt->shader->height = tx->height;
BZ_Free(tx);
}
}
if (bt->rebuild)
{
//FIXME: don't block.
if (R_GetShaderSizes(bt->shader, &w, &h, false) < 0)
continue;
bt->rebuild = false;
if (w<1) w = 64;
if (h<1) h = 64;
scale[0] = 1.0/w; //I hate needing this.
scale[1] = 1.0/h;
while(bt->batches)
{
bb = bt->batches;
bt->batches = bb->next;
BE_VBO_Destroy(&bb->vbo.coord, bb->vbo.vbomem);
BE_VBO_Destroy(&bb->vbo.indicies, bb->vbo.ebomem);
BZ_Free(bb);
}
if (!arrays)
arrays = BZ_Malloc(sizeof(*arrays));
for (lmnum = -1; lmnum < bt->firstlm+bt->lmcount; ((lmnum==-1)?(lmnum=bt->firstlm):(lmnum=lmnum+1)))
{
i = 0;
br = hm->wbrushes;
for (;i < hm->numbrushes;)
{
for (numverts = 0, numindicies = 0; i < hm->numbrushes; i++, br++)
{
//if a single batch has too many verts, cut it off before it overflows our maximum batch size, and hope we don't get a really really complex brush.
if (numverts > 0xf000 || numindicies > 0xf000)
break;
for (j = 0; j < br->numplanes; j++)
{
if (br->faces[j].tex == bt && !br->selected && br->faces[j].lightmap == lmnum)
{
size_t k, o;
float s,t;
for (k = 0, o = numverts; k < br->faces[j].numpoints; k++, o++)
{
VectorCopy(br->faces[j].points[k], arrays->coord[o]);
VectorCopy(br->planes[j], arrays->normal[o]);
VectorCopy(br->faces[j].stdir[0], arrays->svector[o]);
VectorCopy(br->faces[j].stdir[1], arrays->tvector[o]);
//compute the texcoord planes
s = (DotProduct(arrays->svector[o], arrays->coord[o]) + br->faces[j].stdir[0][3]);
t = (DotProduct(arrays->tvector[o], arrays->coord[o]) + br->faces[j].stdir[1][3]);
arrays->texcoord[o][0] = s * scale[0];
arrays->texcoord[o][1] = t * scale[1];
//maths, maths, and more maths.
arrays->lmcoord[o][0] = (br->faces[j].lmbase[0]+0.5 + s/br->faces[j].lmscale-br->faces[j].lmbias[0]) * hm->brushlmscale;
arrays->lmcoord[o][1] = (br->faces[j].lmbase[1]+0.5 + t/br->faces[j].lmscale-br->faces[j].lmbias[1]) * hm->brushlmscale;
}
for (k = 2; k < br->faces[j].numpoints; k++)
{ //triangle fans
arrays->index[numindicies++] = numverts + 0;
arrays->index[numindicies++] = numverts + k-1;
arrays->index[numindicies++] = numverts + k-0;
}
numverts += br->faces[j].numpoints;
}
}
}
if (numverts || numindicies)
{
bb = Z_Malloc(sizeof(*bb) + (sizeof(bb->mesh.xyz_array[0])+sizeof(arrays->texcoord[0])+sizeof(arrays->lmcoord[0])+sizeof(arrays->normal[0])+sizeof(arrays->svector[0])+sizeof(arrays->tvector[0])) * numverts);
bb->next = bt->batches;
bt->batches = bb;
bb->lightmap = lmnum;
BE_VBO_Begin(&ctx, (sizeof(arrays->coord[0])+sizeof(arrays->texcoord[0])+sizeof(arrays->lmcoord[0])+sizeof(arrays->normal[0])+sizeof(arrays->svector[0])+sizeof(arrays->tvector[0])) * numverts);
BE_VBO_Data(&ctx, arrays->coord, sizeof(arrays->coord [0])*numverts, &bb->vbo.coord);
BE_VBO_Data(&ctx, arrays->texcoord, sizeof(arrays->texcoord [0])*numverts, &bb->vbo.texcoord);
BE_VBO_Data(&ctx, arrays->lmcoord, sizeof(arrays->lmcoord [0])*numverts, &bb->vbo.lmcoord[0]);
BE_VBO_Data(&ctx, arrays->normal, sizeof(arrays->normal [0])*numverts, &bb->vbo.normals);
BE_VBO_Data(&ctx, arrays->svector, sizeof(arrays->svector [0])*numverts, &bb->vbo.svector);
BE_VBO_Data(&ctx, arrays->tvector, sizeof(arrays->tvector [0])*numverts, &bb->vbo.tvector);
BE_VBO_Finish(&ctx, arrays->index, sizeof(arrays->index [0])*numindicies, &bb->vbo.indicies, &bb->vbo.vbomem, &bb->vbo.ebomem);
bb->mesh.xyz_array = (vecV_t*)(bb+1);
memcpy(bb->mesh.xyz_array, arrays->coord, sizeof(*bb->mesh.xyz_array) * numverts);
bb->mesh.st_array = (vec2_t*)(bb->mesh.xyz_array+numverts);
memcpy(bb->mesh.st_array, arrays->texcoord, sizeof(*bb->mesh.st_array) * numverts);
bb->mesh.lmst_array[0] = (vec2_t*)(bb->mesh.st_array+numverts);
memcpy(bb->mesh.lmst_array[0], arrays->lmcoord, sizeof(*bb->mesh.lmst_array) * numverts);
bb->mesh.normals_array = (vec3_t*)(bb->mesh.lmst_array[0]+numverts);
memcpy(bb->mesh.normals_array, arrays->normal, sizeof(*bb->mesh.normals_array) * numverts);
bb->mesh.snormals_array = (vec3_t*)(bb->mesh.normals_array+numverts);
memcpy(bb->mesh.snormals_array, arrays->svector, sizeof(*bb->mesh.snormals_array) * numverts);
bb->mesh.tnormals_array = (vec3_t*)(bb->mesh.snormals_array+numverts);
memcpy(bb->mesh.tnormals_array, arrays->tvector, sizeof(*bb->mesh.tnormals_array) * numverts);
bb->pmesh = &bb->mesh;
bb->mesh.numindexes = numindicies;
bb->mesh.numvertexes = numverts;
numverts = 0;
numindicies = 0;
}
}
}
}
for(bb = bt->batches; bb; bb = bb->next)
{
b = BE_GetTempBatch();
if (b)
{
j = 0;
if (bb->lightmap >= 0)
b->lightmap[j++] = r_fullbright.ival?-1:hm->brushlmremaps[bb->lightmap];
for (; j < MAXRLIGHTMAPS; j++)
b->lightmap[j] = -1;
b->ent = e;
b->shader = bt->shader;
b->flags = 0;
b->mesh = &bb->pmesh;
b->meshes = 1;
b->buildmeshes = NULL;
b->skin = NULL;
b->texture = NULL;
b->vbo = &bb->vbo;
b->next = batches[b->shader->sort];
batches[b->shader->sort] = b;
}
}
}
if (arrays)
BZ_Free(arrays);
}
#endif
static brushtex_t *Terr_Brush_FindTexture(heightmap_t *hm, const char *texname)
{
brushtex_t *bt;
if (!hm)
return NULL;
for (bt = hm->brushtextures; bt; bt = bt->next)
{
if (!strcmp(bt->shadername, texname))
return bt;
}
bt = Z_Malloc(sizeof(*bt));
bt->next = hm->brushtextures;
hm->brushtextures = bt;
Q_strncpyz(bt->shadername, texname, sizeof(bt->shadername));
return bt;
}
static brushes_t *Terr_Brush_Insert(model_t *model, heightmap_t *hm, brushes_t *brush)
{
vecV_t facepoints[64];
unsigned int iface, oface, j, k;
unsigned int numpoints;
brushes_t *out;
vec2_t mins, maxs;
vec2_t lm;
if (!hm)
{
if (model && model->loadstate == MLS_LOADING)
COM_WorkerPartialSync(model, &model->loadstate, MLS_LOADING);
if (model && model->loadstate == MLS_LOADED)
{
char basename[MAX_QPATH];
COM_FileBase(model->name, basename, sizeof(basename));
model->terrain = Mod_LoadTerrainInfo(model, basename, true);
hm = model->terrain;
if (!hm)
return NULL;
Terr_FinishTerrain(model);
}
else
return NULL;
}
hm->wbrushes = BZ_Realloc(hm->wbrushes, sizeof(*hm->wbrushes) * (hm->numbrushes+1));
out = &hm->wbrushes[hm->numbrushes];
out->selected = false;
out->contents = brush->contents;
out->axialplanes = 0;
out->planes = BZ_Malloc((sizeof(*out->planes)+sizeof(*out->faces)) * brush->numplanes);
out->faces = (void*)(out->planes+brush->numplanes);
ClearBounds(out->mins, out->maxs);
for (iface = 0, oface = 0; iface < brush->numplanes; iface++)
{
for (j = 0; j < oface; j++)
{
if (out->planes[j][0] == brush->planes[iface][0] &&
out->planes[j][1] == brush->planes[iface][1] &&
out->planes[j][2] == brush->planes[iface][2] &&
out->planes[j][3] == brush->planes[iface][3])
break;
}
if (j < oface)
{
Con_DPrintf("duplicate plane\n");
continue;
}
//generate points now (so we know the correct mins+maxs for the brush, and whether the plane is relevent)
numpoints = Fragment_ClipPlaneToBrush(facepoints, sizeof(facepoints)/sizeof(facepoints[0]), brush->planes, sizeof(*brush->planes), brush->numplanes, brush->planes[iface]);
if (!numpoints)
{
Con_DPrintf("redundant face\n");
continue; //this surface was chopped away entirely, and isn't relevant.
}
//copy the basic face info out so we can save/restore/query/edit it later.
Vector4Copy(brush->planes[iface], out->planes[oface]);
out->faces[oface].tex = brush->faces[iface].tex;
Vector4Copy(brush->faces[iface].stdir[0], out->faces[oface].stdir[0]);
Vector4Copy(brush->faces[iface].stdir[1], out->faces[oface].stdir[1]);
if (out->planes[oface][0] == 1)
out->axialplanes |= 1u<<0;
else if (out->planes[oface][1] == 1)
out->axialplanes |= 1u<<1;
else if (out->planes[oface][2] == 1)
out->axialplanes |= 1u<<2;
else if (out->planes[oface][0] == -1)
out->axialplanes |= 1u<<3;
else if (out->planes[oface][1] == -1)
out->axialplanes |= 1u<<4;
else if (out->planes[oface][2] == -1)
out->axialplanes |= 1u<<5;
//make sure this stuff is rebuilt properly.
out->faces[oface].tex->rebuild = true;
//keep this stuff cached+reused, so everything is consistant. also work out min/max lightmap texture coords
out->faces[oface].points = BZ_Malloc(numpoints * sizeof(*out->faces[oface].points));
Vector2Set(mins, 0, 0);
Vector2Set(maxs, 0, 0);
for (j = 0; j < numpoints; j++)
{
AddPointToBounds(facepoints[j], out->mins, out->maxs);
VectorCopy(facepoints[j], out->faces[oface].points[j]);
for (k = 0; k < 2; k++)
{
lm[k] = DotProduct(out->faces[oface].points[j], out->faces[oface].stdir[k]) + out->faces[oface].stdir[k][3];
if (j == 0)
mins[k] = maxs[k] = lm[k];
else if (lm[k] > maxs[k])
maxs[k] = lm[k];
else if (lm[k] < mins[k])
mins[k] = lm[k];
}
}
out->faces[oface].numpoints = numpoints;
//determine lightmap scale, and extents. rescale the lightmap if it ought to have been subdivided.
out->faces[oface].relight = true;
out->faces[oface].lmscale = 16;
for (k = 0; k < 2; )
{
out->faces[oface].lmbias[k] = floor(mins[k]/out->faces[oface].lmscale);
out->faces[oface].lmextents[k] = ceil((maxs[k])/out->faces[oface].lmscale)-out->faces[oface].lmbias[k]+1;
if (out->faces[oface].lmextents[k] > 128)
{ //surface is too large for lightmap data. just drop its resolution, because splitting the face in plane-defined geometry is a bad idea.
if (out->faces[oface].lmscale > 256)
{
out->faces[oface].relight = false;
k++;
}
else
{
out->faces[oface].lmscale *= 2;
k = 0;
}
}
else
k++;
}
out->faces[oface].lightmap = -1;
out->faces[oface].lmbase[0] = 0;
out->faces[oface].lmbase[1] = 0;
if (out->faces[oface].relight)
{
out->faces[oface].lightdata = BZ_Malloc(out->faces[oface].lmextents[0] * out->faces[oface].lmextents[1] * 3);
memset(out->faces[oface].lightdata, 0x3f, out->faces[oface].lmextents[0]*out->faces[oface].lmextents[1]*3);
}
else
out->faces[oface].lightdata = NULL;
// Con_Printf("lm extents: %u %u (%i points)\n", out->faces[oface].lmextents[0], out->faces[oface].lmextents[1], numpoints);
oface++;
}
if (oface < 4)
{ //a brush with less than 4 planes cannot be a valid convex area (but can happen when certain redundant planes are chopped out). don't accept creation
//(we often get 2-plane brushes if the sides are sucked in)
for (j = 0; j < oface; j++)
{
BZ_Free(out->faces[j].lightdata);
BZ_Free(out->faces[j].points);
}
BZ_Free(out->planes);
return NULL;
}
out->numplanes = oface;
if (brush->id)
out->id = brush->id;
else
{
unsigned int i;
//loop to avoid creating two brushes with the same id
do
{
out->id = (++hm->brushidseq)&0x00ffffff;
#ifndef SERVERONLY
if (cls.state) //avoid networking conflicts by having each node generating its own private ids
out->id |= (cl.playerview[0].playernum+1)<<24;
#endif
for (i = 0; i < hm->numbrushes; i++)
{
if (hm->wbrushes[i].id == out->id)
break;
}
} while (i != hm->numbrushes);
}
// Con_Printf("brush %u (%i faces)\n", out->id, oface);
hm->numbrushes+=1;
hm->brushesedited = true;
hm->recalculatebrushlighting = true; //lightmaps need to be reallocated
//make sure the brush's bounds are added to the containing model.
AddPointToBounds(out->mins, model->mins, model->maxs);
AddPointToBounds(out->maxs, model->mins, model->maxs);
return out;
}
static void Terr_Brush_DeleteIdx(heightmap_t *hm, size_t idx)
{
int i;
brushes_t *br = &hm->wbrushes[idx];
if (!hm)
return;
for (i = 0; i < br->numplanes; i++)
{
BZ_Free(br->faces[i].lightdata);
BZ_Free(br->faces[i].points);
br->faces[i].tex->rebuild = true;
}
BZ_Free(br->planes);
hm->numbrushes--;
hm->brushesedited = true;
//plug the hole with some other brush.
if (idx < hm->numbrushes)
hm->wbrushes[idx] = hm->wbrushes[hm->numbrushes];
}
static qboolean Terr_Brush_DeleteId(heightmap_t *hm, unsigned int brushid)
{
size_t i;
brushes_t *br;
if (!hm)
return false;
for (i = 0; i < hm->numbrushes; i++)
{
br = &hm->wbrushes[i];
if (br->id == brushid)
{
Terr_Brush_DeleteIdx(hm, i);
return true;
}
}
return false;
}
static void Brush_Serialise(sizebuf_t *sb, brushes_t *br)
{
unsigned int i;
MSG_WriteLong(sb, br->id);
MSG_WriteLong(sb, br->contents);
MSG_WriteLong(sb, br->numplanes);
for (i = 0; i < br->numplanes; i++)
{
MSG_WriteString(sb, br->faces[i].tex->shadername);
MSG_WriteFloat(sb, br->planes[i][0]);
MSG_WriteFloat(sb, br->planes[i][1]);
MSG_WriteFloat(sb, br->planes[i][2]);
MSG_WriteFloat(sb, br->planes[i][3]);
MSG_WriteFloat(sb, br->faces[i].stdir[0][0]);
MSG_WriteFloat(sb, br->faces[i].stdir[0][1]);
MSG_WriteFloat(sb, br->faces[i].stdir[0][2]);
MSG_WriteFloat(sb, br->faces[i].stdir[0][3]);
MSG_WriteFloat(sb, br->faces[i].stdir[1][0]);
MSG_WriteFloat(sb, br->faces[i].stdir[1][1]);
MSG_WriteFloat(sb, br->faces[i].stdir[1][2]);
MSG_WriteFloat(sb, br->faces[i].stdir[1][3]);
}
}
static qboolean Brush_Deserialise(heightmap_t *hm, brushes_t *br)
{
unsigned int i;
unsigned int maxplanes = br->numplanes;
br->id = MSG_ReadLong();
br->contents = MSG_ReadLong();
br->numplanes = MSG_ReadLong();
if (br->numplanes > maxplanes)
return false;
for (i = 0; i < br->numplanes; i++)
{
//FIXME: as a server, we probably want to reject the brush if we exceed some texnum/memory limitation, so clients can't just spam new textures endlessly.
br->faces[i].tex = Terr_Brush_FindTexture(hm, MSG_ReadString());
br->planes[i][0] = MSG_ReadFloat();
br->planes[i][1] = MSG_ReadFloat();
br->planes[i][2] = MSG_ReadFloat();
br->planes[i][3] = MSG_ReadFloat();
br->faces[i].stdir[0][0] = MSG_ReadFloat();
br->faces[i].stdir[0][1] = MSG_ReadFloat();
br->faces[i].stdir[0][2] = MSG_ReadFloat();
br->faces[i].stdir[0][3] = MSG_ReadFloat();
br->faces[i].stdir[1][0] = MSG_ReadFloat();
br->faces[i].stdir[1][1] = MSG_ReadFloat();
br->faces[i].stdir[1][2] = MSG_ReadFloat();
br->faces[i].stdir[1][3] = MSG_ReadFloat();
}
return true;
}
#ifndef SERVERONLY
heightmap_t *CL_BrushEdit_ForceContext(model_t *mod)
{
heightmap_t *hm = mod?mod->terrain:NULL;
if (!hm)
{
if (mod && mod->loadstate == MLS_LOADING)
COM_WorkerPartialSync(mod, &mod->loadstate, MLS_LOADING);
if (mod && mod->loadstate == MLS_LOADED)
{
char basename[MAX_QPATH];
COM_FileBase(mod->name, basename, sizeof(basename));
mod->terrain = Mod_LoadTerrainInfo(mod, basename, true);
hm = mod->terrain;
if (!hm)
return NULL;
Terr_FinishTerrain(mod);
}
else
return NULL;
}
return hm;
}
void CL_Parse_BrushEdit(void)
{
unsigned int modelindex = MSG_ReadShort();
int cmd = MSG_ReadByte();
model_t *mod = (modelindex<countof(cl.model_precache))?cl.model_precache[modelindex]:NULL;
heightmap_t *hm = mod?mod->terrain:NULL;
#ifdef CLIENTONLY
const qboolean ignore = false;
#else
const qboolean ignore = (sv.state>=ss_loading); //if we're the server then we already have this info. don't break anything (this info is present for demos).
#endif
if (cmd == hmcmd_brush_delete)
{
int id = MSG_ReadLong();
if (ignore)
return; //ignore if we're the server, we should already have it anyway.
Terr_Brush_DeleteId(hm, id);
}
else if (cmd == hmcmd_brush_insert) //1=create/replace
{
brushes_t brush;
hm = CL_BrushEdit_ForceContext(mod); //do this early, to ensure that the textures are correct
memset(&brush, 0, sizeof(brush));
brush.numplanes = 128;
brush.planes = alloca(sizeof(*brush.planes) * brush.numplanes);
brush.faces = alloca(sizeof(*brush.faces) * brush.numplanes);
if (!Brush_Deserialise(hm, &brush))
Host_EndGame("CL_Parse_BrushEdit: unparsable brush\n");
if (ignore)
return; //ignore if we're the server, we should already have it anyway (but might need it for demos, hence why its still sent).
if (brush.id)
{
int i;
if (cls.demoplayback)
Terr_Brush_DeleteId(hm, brush.id);
else
{
for (i = 0; i < hm->numbrushes; i++)
{
brushes_t *br = &hm->wbrushes[i];
if (br->id == brush.id)
return; //we already have it. assume we just edited it.
}
}
}
Terr_Brush_Insert(mod, hm, &brush);
}
else if (cmd == hmcmd_prespawning)
{ //delete all
if (ignore)
return; //ignore if we're the server, we should already have it anyway.
hm = CL_BrushEdit_ForceContext(mod); //make sure we don't end up with any loaded brushes.
if (hm)
{
while(hm->numbrushes)
Terr_Brush_DeleteIdx(hm, hm->numbrushes-1);
}
}
else if (cmd == hmcmd_prespawned)
{
}
else if (cmd == hmcmd_ent_edit || cmd == hmcmd_ent_remove)
{ //ent edit
int id = MSG_ReadLong();
const char *data;
int idx = mod->numentityinfo, i;
if (cmd == hmcmd_ent_edit)
data = MSG_ReadString();
else
data = NULL;
//convert id to idx
for (i = 0; i < mod->numentityinfo; i++)
{
if (mod->entityinfo[i].id == id)
{
idx = i;
break;
}
if (!mod->entityinfo[i].keyvals)
idx = i;
}
//FIXME: cap the maximum data sizes (both count and storage, to prevent DOS attacks).
if (idx == mod->numentityinfo && data)
Z_ReallocElements((void**)&mod->entityinfo, &mod->numentityinfo, mod->numentityinfo+64, sizeof(*mod->entityinfo));
if (idx < mod->numentityinfo)
{
if (!ignore)
{
mod->entityinfo[idx].id = id;
Z_Free(mod->entityinfo[idx].keyvals);
if (data)
mod->entityinfo[idx].keyvals = Z_StrDup(data);
else
mod->entityinfo[idx].keyvals = NULL;
CSQC_MapEntityEdited(modelindex, idx, data);
}
}
}
else
Host_EndGame("CL_Parse_BrushEdit: unknown command %i\n", cmd);
}
#endif
#ifndef CLIENTONLY
qboolean SV_Prespawn_Brushes(sizebuf_t *msg, unsigned int *modelindex, unsigned int *lastid)
{
//lastid starts at 0
unsigned int bestid, i;
brushes_t *best;
model_t *mod;
heightmap_t *hm;
while(1)
{
if (*modelindex < MAX_PRECACHE_MODELS)
mod = sv.models[*modelindex];
else
mod = NULL;
if (!mod)
{
if (!(*modelindex)++)
continue;
return false;
}
hm = mod->terrain;
if (!hm || !hm->brushesedited)
{
*modelindex+=1;
*lastid = 0;
continue;
}
if (!*lastid)
{ //make sure the client starts with a clean slate.
MSG_WriteByte(msg, svcfte_brushedit);
MSG_WriteShort(msg, *modelindex);
MSG_WriteByte(msg, hmcmd_prespawning);
}
//weird loop to try to ensure we never miss any brushes.
//get the lowest index that is 1 higher than our previous.
for (best = NULL, bestid = ~0u, i = 0; i < hm->numbrushes; i++)
{
unsigned int bid = hm->wbrushes[i].id;
if (bid > *lastid && bid <= bestid)
{
best = &hm->wbrushes[i];
bestid = best->id;
if (bestid == *lastid+1)
break;
}
}
if (best)
{
MSG_WriteByte(msg, svcfte_brushedit);
MSG_WriteShort(msg, *modelindex);
MSG_WriteByte(msg, hmcmd_brush_insert);
Brush_Serialise(msg, best);
*lastid = bestid;
return true;
}
*modelindex+=1;
*lastid = 0;
}
}
qboolean SV_Parse_BrushEdit(void)
{
qboolean authorise = (host_client->penalties & BAN_MAPPER) || (host_client->netchan.remote_address.type == NA_LOOPBACK);
unsigned int modelindex = MSG_ReadShort();
int cmd = MSG_ReadByte();
model_t *mod = (modelindex<countof(sv.models))?sv.models[modelindex]:NULL;
heightmap_t *hm = mod?mod->terrain:NULL;
if (cmd == hmcmd_brush_delete)
{ //delete
unsigned int brushid = MSG_ReadLong();
if (!authorise)
{
SV_PrintToClient(host_client, PRINT_MEDIUM, "Brush editing ignored: you are not a mapper\n");
return true;
}
Terr_Brush_DeleteId(hm, brushid);
MSG_WriteByte(&sv.multicast, svcfte_brushedit);
MSG_WriteShort(&sv.multicast, modelindex);
MSG_WriteByte(&sv.multicast, hmcmd_brush_delete);
MSG_WriteLong(&sv.multicast, brushid);
SV_MulticastProtExt(vec3_origin, MULTICAST_ALL_R, ~0, 0, 0);
return true;
}
else if (cmd == hmcmd_brush_insert)
{
brushes_t brush;
memset(&brush, 0, sizeof(brush));
brush.numplanes = 128;
brush.planes = alloca(sizeof(*brush.planes) * brush.numplanes);
brush.faces = alloca(sizeof(*brush.faces) * brush.numplanes);
if (!Brush_Deserialise(hm, &brush))
{
Con_Printf("SV_Parse_BrushEdit: %s sent an unparsable brush\n", host_client->name);
return false;
}
if (!authorise)
{
SV_PrintToClient(host_client, PRINT_MEDIUM, "Brush editing ignored: you are not a mapper\n");
return true;
}
Terr_Brush_DeleteId(hm, brush.id);
if (!Terr_Brush_Insert(mod, hm, &brush))
return true; //looks mostly valid, but something was degenerate. fpu precision...
//FIXME: expand the world entity's sizes if needed?
MSG_WriteByte(&sv.multicast, svcfte_brushedit);
MSG_WriteShort(&sv.multicast, modelindex);
MSG_WriteByte(&sv.multicast, hmcmd_brush_insert);
Brush_Serialise(&sv.multicast, &brush);
SV_MulticastProtExt(vec3_origin, MULTICAST_ALL_R, ~0, 0, 0);
return true;
}
else if (cmd == hmcmd_ent_edit || cmd == hmcmd_ent_remove)
{
unsigned int entid = MSG_ReadLong();
char *keyvals = (cmd == hmcmd_ent_edit)?MSG_ReadString():NULL;
if (mod->submodelof != mod)
return true;
if (!authorise)
{
SV_PrintToClient(host_client, PRINT_MEDIUM, "Entity editing ignored: you are not a mapper\n");
//FIXME: undo the client's edit? or is that rude?
return true;
}
//FIXME: need to update the server's entity list
//SSQC_MapEntityEdited(idx, newvals);
MSG_WriteByte(&sv.multicast, svcfte_brushedit);
MSG_WriteShort(&sv.multicast, modelindex);
MSG_WriteByte(&sv.multicast, keyvals?hmcmd_ent_edit:hmcmd_ent_remove);
MSG_WriteLong(&sv.multicast, entid);
if (keyvals)
MSG_WriteString(&sv.multicast, keyvals);
SV_MulticastProtExt(vec3_origin, MULTICAST_ALL_R, ~0, 0, 0);
}
else
{
Con_Printf("SV_Parse_BrushEdit: %s sent an unknown command: %i\n", host_client->name, cmd);
return false;
}
return true;
}
#endif
typedef struct
{
int shadername;
vec3_t planenormal;
float planedist;
vec3_t sdir;
float sbias;
vec3_t tdir;
float tbias;
} qcbrushface_t;
static void *validateqcpointer(pubprogfuncs_t *prinst, size_t qcptr, size_t elementsize, size_t elementcount, qboolean allownull)
{
//make sure that the sizes can't overflow
if (elementcount > 0x10000)
{
PR_BIError(prinst, "brush: elementcount %u is too large\n", (unsigned int)elementcount);
return NULL;
}
if (qcptr < 0 || qcptr+(elementsize*elementcount) > prinst->stringtablesize)
{
PR_BIError(prinst, "brush: invalid qc pointer\n");
return NULL;
}
if (!qcptr)
{
if (!allownull)
PR_BIError(prinst, "brush: null qc pointer\n");
return NULL;
}
return prinst->stringtable + qcptr;
}
// {"brush_get", PF_brush_get, 0, 0, 0, 0, D(qcbrushface "int(float modelidx, int brushid, brushface_t *out_faces, int maxfaces, int *out_contents)", "Queries a brush's information. You must pre-allocate the face array for the builtin to write to. Return value is the number of faces retrieved, 0 on error.")},
void QCBUILTIN PF_brush_get(pubprogfuncs_t *prinst, struct globalvars_s *pr_globals)
{
world_t *vmw = prinst->parms->user;
model_t *mod = vmw->Get_CModel(vmw, G_FLOAT(OFS_PARM0));
heightmap_t *hm = mod?mod->terrain:NULL;
unsigned int brushid = G_INT(OFS_PARM1);
unsigned int maxfaces = G_INT(OFS_PARM3);
qcbrushface_t *out_faces = validateqcpointer(prinst, G_INT(OFS_PARM2), sizeof(*out_faces), maxfaces, true);
unsigned int *out_contents = validateqcpointer(prinst, G_INT(OFS_PARM4), sizeof(*out_contents), 1, true);
unsigned int fa, i;
brushes_t *br;
//assume the worst.
G_INT(OFS_RETURN) = 0;
if (out_contents)
*out_contents = 0;
if (!hm)
return;
for (i = 0; i < hm->numbrushes; i++)
{
br = &hm->wbrushes[i];
if (br->id == brushid)
{
if (out_contents)
*out_contents = br->contents;
if (!out_faces)
G_INT(OFS_RETURN) = br->numplanes;
else
{
maxfaces = min(br->numplanes, maxfaces);
for (fa = 0; fa < maxfaces; fa++)
{
out_faces->shadername = PR_TempString(prinst, br->faces[fa].tex->shadername);
VectorCopy(br->planes[fa], out_faces->planenormal);
out_faces->planedist = br->planes[fa][3];
VectorCopy(br->faces[fa].stdir[0], out_faces->sdir);
out_faces->sbias = br->faces[fa].stdir[0][3];
VectorCopy(br->faces[fa].stdir[1], out_faces->tdir);
out_faces->tbias = br->faces[fa].stdir[1][3];
out_faces++;
}
G_INT(OFS_RETURN) = fa;
}
return;
}
}
}
// {"brush_create", PF_brush_create, 0, 0, 0, 0, D("int(float modelidx, brushface_t *in_faces, int numfaces, int contents)", "Inserts a new brush into the model. Return value is the new brush's id.")},
void QCBUILTIN PF_brush_create(pubprogfuncs_t *prinst, struct globalvars_s *pr_globals)
{
world_t *vmw = prinst->parms->user;
int modelindex = G_FLOAT(OFS_PARM0);
model_t *mod = vmw->Get_CModel(vmw, modelindex);
heightmap_t *hm = mod?mod->terrain:NULL;
unsigned int numfaces = G_INT(OFS_PARM2);
qcbrushface_t *in_faces = validateqcpointer(prinst, G_INT(OFS_PARM1), sizeof(*in_faces), numfaces, numfaces==0);
unsigned int contents = G_INT(OFS_PARM3);
unsigned int brushid = (prinst->callargc > 4)?G_INT(OFS_PARM4):0; //to simplify edits
unsigned int i;
brushes_t brush, *nb;
vec4_t *planes;
struct brushface_s *faces;
G_INT(OFS_RETURN) = 0;
if (!hm)
{
if (mod && mod->loadstate == MLS_LOADING)
COM_WorkerPartialSync(mod, &mod->loadstate, MLS_LOADING);
if (mod && mod->loadstate == MLS_LOADED)
{
char basename[MAX_QPATH];
COM_FileBase(mod->name, basename, sizeof(basename));
mod->terrain = Mod_LoadTerrainInfo(mod, basename, true);
hm = mod->terrain;
if (!hm)
return;
Terr_FinishTerrain(mod);
}
else
return;
}
//if we're creating one that already exists, then assume that its a move.
if (brushid && Terr_Brush_DeleteId(hm, brushid))
{
#ifndef CLIENTONLY
if (sv.state && modelindex > 0)
{
MSG_WriteByte(&sv.multicast, svcfte_brushedit);
MSG_WriteShort(&sv.multicast, modelindex);
MSG_WriteByte(&sv.multicast, hmcmd_brush_delete);
MSG_WriteLong(&sv.multicast, brushid);
SV_MulticastProtExt(vec3_origin, MULTICAST_ALL_R, ~0, 0, 0);
}
else
#endif
#ifndef SERVERONLY
if (cls.state && modelindex > 0)
{
MSG_WriteByte(&cls.netchan.message, clcfte_brushedit);
MSG_WriteShort(&cls.netchan.message, modelindex);
MSG_WriteByte(&cls.netchan.message, hmcmd_brush_delete);
MSG_WriteLong(&cls.netchan.message, brushid);
}
#else
{
}
#endif
}
planes = alloca(sizeof(*planes) * numfaces);
faces = alloca(sizeof(*faces) * numfaces);
for (i = 0; i < numfaces; i++)
{
VectorCopy(in_faces[i].planenormal, planes[i]);
planes[i][3] = in_faces[i].planedist;
faces[i].tex = Terr_Brush_FindTexture(hm, PR_GetString(prinst, in_faces[i].shadername));
VectorCopy(in_faces[i].sdir, faces[i].stdir[0]);
faces[i].stdir[0][3] = in_faces[i].sbias;
VectorCopy(in_faces[i].tdir, faces[i].stdir[1]);
faces[i].stdir[1][3] = in_faces[i].tbias;
}
//now emit it
brush.id = 0;
brush.contents = contents;
brush.numplanes = numfaces;
brush.planes = planes;
brush.faces = faces;
if (numfaces)
{
nb = Terr_Brush_Insert(mod, hm, &brush);
if (nb)
{
G_INT(OFS_RETURN) = nb->id;
#ifndef CLIENTONLY
if (sv.state && modelindex > 0)
{
MSG_WriteByte(&sv.multicast, svcfte_brushedit);
MSG_WriteShort(&sv.multicast, modelindex);
MSG_WriteByte(&sv.multicast, hmcmd_brush_insert);
Brush_Serialise(&sv.multicast, nb);
SV_MulticastProtExt(vec3_origin, MULTICAST_ALL_R, ~0, 0, 0);
return;
}
#endif
#ifndef SERVERONLY
if (cls.state && modelindex > 0)
{
MSG_WriteByte(&cls.netchan.message, clcfte_brushedit);
MSG_WriteShort(&cls.netchan.message, modelindex);
MSG_WriteByte(&cls.netchan.message, hmcmd_brush_insert);
Brush_Serialise(&cls.netchan.message, nb);
return;
}
#endif
}
}
}
// {"brush_delete", PF_brush_delete, 0, 0, 0, 0, D("void(float modelidx, int brushid)", "Destroys the specified brush.")},
void QCBUILTIN PF_brush_delete(pubprogfuncs_t *prinst, struct globalvars_s *pr_globals)
{
world_t *vmw = prinst->parms->user;
int modelindex = G_FLOAT(OFS_PARM0);
model_t *mod = vmw->Get_CModel(vmw, modelindex);
heightmap_t *hm = mod?mod->terrain:NULL;
unsigned int brushid = G_INT(OFS_PARM1);
if (!hm)
return;
Terr_Brush_DeleteId(hm, brushid);
#ifndef CLIENTONLY
if (sv.state && modelindex > 0)
{
MSG_WriteByte(&sv.multicast, svcfte_brushedit);
MSG_WriteShort(&sv.multicast, modelindex);
MSG_WriteByte(&sv.multicast, hmcmd_brush_delete);
MSG_WriteLong(&sv.multicast, brushid);
SV_MulticastProtExt(vec3_origin, MULTICAST_ALL_R, ~0, 0, 0);
return;
}
#endif
#ifndef SERVERONLY
if (cls.state && modelindex > 0)
{
MSG_WriteByte(&cls.netchan.message, clcfte_brushedit);
MSG_WriteShort(&cls.netchan.message, modelindex);
MSG_WriteByte(&cls.netchan.message, hmcmd_brush_delete);
MSG_WriteLong(&cls.netchan.message, brushid);
return;
}
#endif
}
// {"brush_selected", PF_brush_selected, 0, 0, 0, 0, D("float(float modelid, int brushid, int faceid, float selectedstate)", "Allows you to easily set transient visual properties of a brush. If brush/face is -1, applies to all. returns old value. selectedstate=-1 changes nothing (called for its return value).")},
void QCBUILTIN PF_brush_selected(pubprogfuncs_t *prinst, struct globalvars_s *pr_globals)
{
world_t *vmw = prinst->parms->user;
model_t *mod = vmw->Get_CModel(vmw, G_FLOAT(OFS_PARM0));
heightmap_t *hm = mod?mod->terrain:NULL;
unsigned int brushid = G_INT(OFS_PARM1);
// unsigned int faceid = G_INT(OFS_PARM2);
unsigned int state = G_FLOAT(OFS_PARM3);
unsigned int i;
brushes_t *br;
G_FLOAT(OFS_RETURN) = 0;
if (!hm)
return;
// hm->recalculatebrushlighting = true;
for (i = 0; i < hm->numbrushes; i++)
{
br = &hm->wbrushes[i];
if (br->id == brushid)
{
G_FLOAT(OFS_RETURN) = br->selected;
if (state >= 0)
{
if (br->selected != state)
{
for (i = 0; i < br->numplanes; i++)
{
br->faces[i].tex->rebuild = true;
br->faces[i].relight = true;
}
br->selected = state;
}
}
// return;
}
}
}
// {"brush_calcfacepoints",PF_brush_calcfacepoints,0,0, 0, 0, D("int(int faceid, brushface_t *in_faces, int numfaces, vector *points, int maxpoints)", "Determines the points of the specified face, if the specified brush were to actually be created.")},
void QCBUILTIN PF_brush_calcfacepoints(pubprogfuncs_t *prinst, struct globalvars_s *pr_globals)
{
unsigned int faceid = G_INT(OFS_PARM0);
unsigned int numfaces = G_INT(OFS_PARM2);
qcbrushface_t *in_faces = validateqcpointer(prinst, G_INT(OFS_PARM1), sizeof(*in_faces), numfaces, false);
unsigned int maxpoints = G_INT(OFS_PARM4);
vec3_t *out_verts = validateqcpointer(prinst, G_INT(OFS_PARM3), sizeof(*out_verts), maxpoints, false);
vecV_t facepoints[256];
vec4_t planes[256];
unsigned int j, numpoints;
faceid--;
if (faceid < 0 || faceid >= numfaces)
{
G_INT(OFS_RETURN) = 0;
return;
}
//make sure this isn't a dupe face
for (j = 0; j < faceid; j++)
{
if (in_faces[j].planenormal[0] == in_faces[faceid].planenormal[0] &&
in_faces[j].planenormal[1] == in_faces[faceid].planenormal[1] &&
in_faces[j].planenormal[2] == in_faces[faceid].planenormal[2] &&
in_faces[j].planedist == in_faces[faceid].planedist)
{
G_INT(OFS_RETURN) = 0;
return;
}
}
//generate a list that Terr_GenerateBrushFace can actually use, silly, but lets hope this isn't needed to be nippy
for (j = 0; j < numfaces; j++)
{
VectorCopy(in_faces[j].planenormal, planes[j]);
planes[j][3] = in_faces[j].planedist;
}
//generate points now (so we know the correct mins+maxs for the brush, and whether the plane is relevent)
numpoints = Fragment_ClipPlaneToBrush(facepoints, countof(facepoints), planes, sizeof(*planes), numfaces, planes[faceid]);
G_INT(OFS_RETURN) = numpoints;
if (numpoints > maxpoints)
numpoints = maxpoints;
//... and copy them out without padding. yeah, silly.
for (j = 0; j < numpoints; j++)
{
VectorCopy(facepoints[j], out_verts[j]);
}
}
// {"brush_getfacepoints",PF_brush_getfacepoints,0,0, 0, 0, D("int(float modelid, int brushid, int faceid, vector *points, int maxpoints)", "Allows you to easily set transient visual properties of a brush. If brush/face is -1, applies to all. returns old value. selectedstate=-1 changes nothing (called for its return value).")},
void QCBUILTIN PF_brush_getfacepoints(pubprogfuncs_t *prinst, struct globalvars_s *pr_globals)
{
world_t *vmw = prinst->parms->user;
model_t *mod = vmw->Get_CModel(vmw, G_FLOAT(OFS_PARM0));
heightmap_t *hm = mod?mod->terrain:NULL;
unsigned int brushid = G_INT(OFS_PARM1);
unsigned int faceid = G_INT(OFS_PARM2);
unsigned int maxpoints = G_INT(OFS_PARM4), p;
vec3_t *out_verts = validateqcpointer(prinst, G_INT(OFS_PARM3), sizeof(*out_verts), maxpoints, false);
size_t i;
brushes_t *br;
G_INT(OFS_RETURN) = 0;
if (!hm)
return;
for (i = 0; i < hm->numbrushes; i++)
{
br = &hm->wbrushes[i];
if (br->id == brushid)
{
if (!faceid)
{
if (maxpoints >= 2)
{
VectorCopy(br->mins, out_verts[0]);
VectorCopy(br->maxs, out_verts[1]);
G_INT(OFS_RETURN) = 2;
}
else if (maxpoints == 1)
{
VectorInterpolate(br->mins, 0.5, br->maxs, out_verts[0]);
G_INT(OFS_RETURN) = 1;
}
}
else
{
faceid--;
if (faceid >= br->numplanes)
break;
maxpoints = min(maxpoints, br->faces[faceid].numpoints);
for (p = 0; p < maxpoints; p++)
VectorCopy(br->faces[faceid].points[p], out_verts[p]);
G_INT(OFS_RETURN) = p;
}
break;
}
}
}
// {"brush_findinvolume",PF_brush_findinvolume,0,0, 0, 0, D("int(float modelid, vector *planes, float *dists, int numplanes, int *out_brushes, int *out_faces, int maxresults)", "Allows you to easily obtain a list of brushes+faces within the given bounding region. If out_faces is not null, the same brush might be listed twice.")},
void QCBUILTIN PF_brush_findinvolume(pubprogfuncs_t *prinst, struct globalvars_s *pr_globals)
{
world_t *vmw = prinst->parms->user;
model_t *mod = vmw->Get_CModel(vmw, G_FLOAT(OFS_PARM0));
heightmap_t *hm = mod?mod->terrain:NULL;
int in_numplanes = G_INT(OFS_PARM3);
vec3_t *in_normals = validateqcpointer(prinst, G_INT(OFS_PARM1), sizeof(*in_normals), in_numplanes, false);
float *in_distances = validateqcpointer(prinst, G_INT(OFS_PARM2), sizeof(*in_distances), in_numplanes, false);
unsigned int maxresults = G_INT(OFS_PARM6);
unsigned int *out_brushids = validateqcpointer(prinst, G_INT(OFS_PARM4), sizeof(*out_brushids), maxresults, false);
unsigned int *out_faceids = G_INT(OFS_PARM5)?validateqcpointer(prinst, G_INT(OFS_PARM5), sizeof(*out_faceids), maxresults, false):NULL;
unsigned int i, j, k, r = 0;
brushes_t *br;
vec3_t best;
float dist;
//find all brushes/faces with a vetex within the region
//the brush is inside if any every plane has at least one vertex on the inner side
if (hm)
for (i = 0; i < hm->numbrushes; i++)
{
br = &hm->wbrushes[i];
for (j = 0; j < in_numplanes; j++)
{
for (k=0 ; k<3 ; k++)
{
if (in_normals[j][k] < 0)
best[k] = br->maxs[k];
else
best[k] = br->mins[k];
}
dist = DotProduct (best, in_normals[j]);
dist = in_distances[j] - dist;
if (dist <= 0) //don't find coplanar brushes. add an epsilon if you need this.
break;
}
if (j == in_numplanes)
{
//the box had some point on the near side of every single plane, and thus must contain at least part of the box
if (r == maxresults)
break; //ran out
out_brushids[r] = br->id;
if (out_faceids) //FIXME: handle this properly.
out_faceids[r] = 0;
r++;
}
}
G_INT(OFS_RETURN) = r;
}
void Terr_WriteBrushInfo(vfsfile_t *file, brushes_t *br)
{
//( -0 -0 16 ) ( -0 -0 32 ) ( 64 -0 16 ) texname [x y z d] [x y z d] rotation sscale tscale
float *point[3];
int i;
VFS_PRINTF(file, "\n{");
for (i = 0; i < br->numplanes; i++)
{
point[0] = br->faces[i].points[0];
point[1] = br->faces[i].points[1];
point[2] = br->faces[i].points[2];
//%.9g is 'meant' to be lossless for a standard ieee single-precision float. (%.17g for a double)
VFS_PRINTF(file, "\n( %.9g %.9g %.9g ) ( %.9g %.9g %.9g ) ( %.9g %.9g %.9g ) \"%s\" [ %.9g %.9g %.9g %.9g ] [ %.9g %.9g %.9g %.9g ] 0 1 1",
point[0][0], point[0][1], point[0][2],
point[1][0], point[1][1], point[1][2],
point[2][0], point[2][1], point[2][2],
br->faces[i].tex?br->faces[i].tex->shadername:"",
br->faces[i].stdir[0][0], br->faces[i].stdir[0][1], br->faces[i].stdir[0][2], br->faces[i].stdir[0][3],
br->faces[i].stdir[1][0], br->faces[i].stdir[1][1], br->faces[i].stdir[1][2], br->faces[i].stdir[1][3]
);
}
VFS_PRINTF(file, "\n}");
}
void Terr_WriteMapFile(vfsfile_t *file, model_t *mod)
{
char token[8192];
int nest = 0;
const char *start, *entities = Mod_GetEntitiesString(mod);
int i;
unsigned int entnum = 0;
heightmap_t *hm;
hm = mod->terrain;
if (hm && hm->legacyterrain)
VFS_WRITE(file, "terrain\n", 8);
start = entities;
while(entities)
{
entities = COM_ParseOut(entities, token, sizeof(token));
if (token[0] == '}' && token[1] == 0)
{
nest--;
if (!nest)
{
if (!entnum)
{
// VFS_PRINTF(file, "\n//Worldspawn brushes go here");
hm = mod->terrain;
if (hm)
for (i = 0; i < hm->numbrushes; i++)
Terr_WriteBrushInfo(file, &hm->wbrushes[i]);
}
entnum++;
}
}
else if (token[0] == '{' && token[1] == 0)
{
nest++;
}
else
{
if (!strcmp(token, "model"))
{
int submodelnum;
entities = COM_ParseOut(entities, token, sizeof(token));
if (*token == '*')
submodelnum = atoi(token+1);
else
submodelnum = 0;
if (submodelnum)
{
model_t *submod;
Q_snprintfz(token, sizeof(token), "*%i:%s", submodelnum, mod->name);
submod = Mod_FindName (token);
// VFS_PRINTF(file, "\nBrushes for %s go here", token);
hm = submod->terrain;
if (hm)
{
for (i = 0; i < hm->numbrushes; i++)
Terr_WriteBrushInfo(file, &hm->wbrushes[i]);
start = entities;
}
}
}
else
entities = COM_ParseOut(entities, token, sizeof(token));
}
VFS_WRITE(file, start, entities - start);
start = entities;
}
}
void Mod_Terrain_Save_f(void)
{
vfsfile_t *file;
model_t *mod;
const char *mapname = Cmd_Argv(1);
char fname[MAX_QPATH];
if (Cmd_IsInsecure())
{
Con_Printf("Please use this command via the console\n");
return;
}
if (*mapname)
mod = Mod_FindName(va("maps/%s", mapname));
#ifndef SERVERONLY
else if (cls.state)
mod = cl.worldmodel;
#endif
else
mod = NULL;
if (!mod)
{
Con_Printf("no model loaded by that name\n");
return;
}
if (mod->loadstate != MLS_LOADED)
{
Con_Printf("that model isn't fully loaded\n");
return;
}
if (*Cmd_Argv(2))
Q_snprintfz(fname, sizeof(fname), "maps/%s.map", Cmd_Argv(2));
else
Q_snprintfz(fname, sizeof(fname), "%s", mod->name);
if (mod->type != mod_heightmap)
{
//warning: brushes are not saved unless its a .map
COM_StripExtension(mod->name, fname, sizeof(fname));
Q_strncatz(fname, ".ent", sizeof(fname));
FS_CreatePath(fname, FS_GAMEONLY);
file = FS_OpenVFS(fname, "wb", FS_GAMEONLY);
if (!file)
Con_Printf("unable to open %s\n", fname);
else
{
const char *s = Mod_GetEntitiesString(mod);
VFS_WRITE(file, s, strlen(s));
VFS_CLOSE(file);
FS_FlushFSHashWritten(fname);
}
}
else
{
FS_CreatePath(fname, FS_GAMEONLY);
file = FS_OpenVFS(fname, "wb", FS_GAMEONLY);
if (!file)
Con_Printf("unable to open %s\n", fname);
else
{
Terr_WriteMapFile(file, mod);
VFS_CLOSE(file);
FS_FlushFSHashWritten(fname);
}
}
}
qboolean Terr_ReformEntitiesLump(model_t *mod, heightmap_t *hm, char *entities)
{
char token[8192];
int nest = 0;
int buflen = strlen(entities);
char *out, *outstart, *start;
int i;
int submodelnum = 0;
qboolean isdetail = false;
qboolean foundsubmodel = false;
qboolean inbrush = false;
int numplanes = 0;
vec4_t planes[64];
struct brushface_s faces[64];
int brushcontents = FTECONTENTS_SOLID;
heightmap_t *subhm = NULL;
model_t *submod = NULL;
const char *brushpunct = "(){}[]"; //use an empty string for better compat with vanilla qbsp...
#ifdef RUNTIMELIGHTING
hm->entsdirty = true;
hm->relightcontext = LightStartup(NULL, mod, false, false);
hm->lightthreadmem = BZ_Malloc(lightthreadctxsize);
hm->inheritedlightthreadmem = false;
#endif
/*FIXME: we need to re-form the entities lump to insert model fields as appropriate*/
outstart = out = Z_Malloc(buflen+1);
while(entities)
{
start = entities;
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
if (token[0] == '}' && token[1] == 0)
{
nest--;
if (inbrush)
{
brushes_t brush;
//finish the brush
brush.contents = brushcontents;
brush.numplanes = numplanes;
brush.planes = planes;
brush.faces = faces;
brush.id = 0;
if (numplanes && subhm)
{
qboolean oe = subhm->brushesedited;
Terr_Brush_Insert(submod, subhm, &brush);
subhm->brushesedited = oe;
}
numplanes = 0;
inbrush = false;
continue;
}
}
else if (token[0] == '{' && token[1] == 0)
{
nest++;
if (nest == 1)
{ //entering a new entity
foundsubmodel = false;
isdetail = false;
}
if (nest == 2)
{
if (isdetail) //func_detail injects its brushes into the world model for some reason.
{
submod = mod;
subhm = hm;
}
else if (!foundsubmodel)
{
foundsubmodel = true;
if (submodelnum)
{
Q_snprintfz(token, sizeof(token), "*%i", submodelnum);
*out++ = 'm';
*out++ = 'o';
*out++ = 'd';
*out++ = 'e';
*out++ = 'l';
*out++ = ' ';
*out++ = '\"';
for (i = 0; token[i]; i++)
*out++ = token[i];
*out++ = '\"';
*out++ = ' ';
Q_snprintfz(token, sizeof(token), "*%i:%s", submodelnum, mod->name);
submod = Mod_FindName (token);
if (submod->loadstate == MLS_NOTLOADED)
{
submod->type = mod_heightmap;
Mod_SetEntitiesString(submod, "", true);
subhm = submod->terrain = Mod_LoadTerrainInfo(submod, submod->name, true);
subhm->exteriorcontents = FTECONTENTS_EMPTY;
ClearBounds(submod->mins, submod->maxs);
submod->funcs.NativeTrace = Heightmap_Trace_Test;
submod->funcs.PointContents = Heightmap_PointContents;
submod->funcs.NativeContents = Heightmap_NativeBoxContents;
submod->funcs.LightPointValues = Heightmap_LightPointValues;
submod->funcs.StainNode = Heightmap_StainNode;
submod->funcs.MarkLights = Heightmap_MarkLights;
submod->funcs.ClusterForPoint = Heightmap_ClusterForPoint;
submod->funcs.ClusterPVS = Heightmap_ClusterPVS;
#ifndef CLIENTONLY
submod->funcs.FindTouchedLeafs = Heightmap_FindTouchedLeafs;
submod->funcs.EdictInFatPVS = Heightmap_EdictInFatPVS;
submod->funcs.FatPVS = Heightmap_FatPVS;
#endif
submod->loadstate = MLS_LOADED;
submod->pvsbytes = sizeof(hmpvs_t);
#ifdef RUNTIMELIGHTING
subhm->relightcontext = LightStartup(hm->relightcontext, submod, false, false);
subhm->lightthreadmem = hm->lightthreadmem;
subhm->inheritedlightthreadmem = true;
#endif
}
else
subhm = NULL;
}
else
{
submod = mod;
subhm = hm;
}
submodelnum++;
}
inbrush = true;
continue;
}
}
else if (inbrush)
{
//parse a plane
//Quake: ( -0 -0 16 ) ( -0 -0 32 ) ( 64 -0 16 ) texname 0 -32 rotation sscale tscale
//hexen2: ( -0 -0 16 ) ( -0 -0 32 ) ( 64 -0 16 ) texname 0 -32 rotation sscale tscale utterlypointless
//Valve: ( -0 -0 16 ) ( -0 -0 32 ) ( 64 -0 16 ) texname [x y z d] [x y z d] rotation sscale tscale
//fte : ( px py pz pd ) texname [sx sy sz sd] [tx ty tz td] 0 1 1
brushtex_t *bt;
vec3_t d1,d2;
vec3_t points[3];
vec4_t texplane[2];
float scale[2], rot;
int p;
qboolean hlstyle = false;
memset(points, 0, sizeof(points));
for (p = 0; p < 3; p++)
{
if (token[0] != '(' || token[1] != 0)
break;
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
points[p][0] = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
points[p][1] = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
points[p][2] = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
if (token[0] != ')' || token[1] != 0)
{
// VectorClear(points[1]);
// VectorClear(points[2]);
points[1][0] = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
if (p == 0 && !strcmp(token, ")"))
p = 4; //we just managed to read an entire plane instead of 3 points.
break;
}
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
}
if (p < 3)
{
Con_Printf(CON_ERROR "%s: malformed brush\n", mod->name);
return false;
}
if (numplanes == sizeof(planes)/sizeof(planes[0]))
{
Con_Printf(CON_ERROR "%s: too many planes in brush\n", mod->name);
return false;
}
bt = Terr_Brush_FindTexture(subhm, token);
if (*token == '*')
{
if (!Q_strncasecmp(token, "*lava", 5))
brushcontents = FTECONTENTS_LAVA;
else if (!Q_strncasecmp(token, "*slime", 5))
brushcontents = FTECONTENTS_SLIME;
else
brushcontents = FTECONTENTS_WATER;
}
else if (!Q_strncasecmp(token, "*sky", 4))
brushcontents = FTECONTENTS_SKY;
else if (!Q_strcasecmp(token, "clip"))
brushcontents = FTECONTENTS_PLAYERCLIP;
else
brushcontents = FTECONTENTS_SOLID;
//FIXME: halflife format has the entire [x y z dist] plane specified.
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
if (*token == '[')
{
hlstyle = true;
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
texplane[0][0] = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
texplane[0][1] = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
texplane[0][2] = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
texplane[0][3] = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
//]
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
//[
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
texplane[1][0] = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
texplane[1][1] = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
texplane[1][2] = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
texplane[1][3] = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
//]
}
else
{
VectorClear(texplane[0]);
VectorClear(texplane[1]);
texplane[0][3] = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
texplane[1][3] = atof(token);
}
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
rot = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
scale[0] = atof(token);
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
scale[1] = atof(token);
//hexen2 has some extra junk that is useless - some 'light' value, but its never used and should normally be -1.
while (*entities == ' ' || *entities == '\t')
entities++;
if (*entities == '-' || (*entities >= '0' && *entities <= '9'))
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
//okay, that's all the actual parsing, now try to make sense of this plane.
if (p == 4)
{ //parsed an actual plane
VectorCopy(points[0], planes[numplanes]);
planes[numplanes][3] = points[1][0];
}
else
{ //parsed 3 points.
VectorSubtract(points[0], points[1], d1);
VectorSubtract(points[2], points[1], d2);
CrossProduct(d1, d2, planes[numplanes]);
VectorNormalize(planes[numplanes]);
planes[numplanes][3] = DotProduct(points[1], planes[numplanes]);
}
faces[numplanes].tex = bt;
//quake's .maps use the normal to decide which texture directions to use in some lame axially-aligned way.
if (!hlstyle)
{
float a=fabs(planes[numplanes][0]),b=fabs(planes[numplanes][1]),c=fabs(planes[numplanes][2]);
if (a>=b&&a>=c)
texplane[0][1] = 1;
else
texplane[0][0] = 1;
if (c>a&&c>b)
texplane[1][1] = -1;
else
texplane[1][2] = -1;
}
if (rot)
{
int mas, mat;
float s,t;
float a = rot*(M_PI/180);
float cosa = cos(a), sina=sin(a);
for (mas=0; mas<2&&!texplane[0][mas]; mas++);
for (mat=0; mat<2&&!texplane[1][mat]; mat++);
for (i = 0; i < 2; i++)
{
s = cosa*texplane[i][mas] - sina*texplane[i][mat];
t = sina*texplane[i][mas] + cosa*texplane[i][mat];
texplane[i][mas] = s;
texplane[i][mat] = t;
}
}
if (!scale[0]) scale[0] = 1;
if (!scale[1]) scale[1] = 1;
VectorScale(texplane[0], 1.0/scale[0], faces[numplanes].stdir[0]);
VectorScale(texplane[1], 1.0/scale[1], faces[numplanes].stdir[1]);
faces[numplanes].stdir[0][3] = texplane[0][3];
faces[numplanes].stdir[1][3] = texplane[1][3];
numplanes++;
continue;
}
else
{
if (!strcmp(token, "classname"))
{
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
if (!strcmp(token, "func_detail"))
isdetail = true;
}
else
entities = COM_ParseTokenOut(entities, brushpunct, token, sizeof(token), NULL);
}
while(start < entities)
*out++ = *start++;
}
*out = 0;
Mod_SetEntitiesString(mod, outstart, false);
mod->numsubmodels = submodelnum;
return true;
}
qboolean QDECL Terr_LoadTerrainModel (model_t *mod, void *buffer, size_t bufsize)
{
int legacyterrain;
heightmap_t *hm;
char token[MAX_QPATH];
int sectsize = 0;
char *src;
src = COM_ParseOut(buffer, token, sizeof(token));
if (!strcmp(token, "terrain"))
{
legacyterrain = true;
buffer = src;
}
else if (!strcmp(token, "{"))
legacyterrain = false;
else
{
Con_Printf(CON_ERROR "%s wasn't terrain map\n", mod->name); //shouldn't happen
return false;
}
mod->type = mod_heightmap;
ClearBounds(mod->mins, mod->maxs);
hm = Z_Malloc(sizeof(*hm));
ClearLink(&hm->recycle);
// ClearLink(&hm->collected);
COM_FileBase(mod->name, hm->path, sizeof(hm->path));
if (!Terr_ReformEntitiesLump(mod, hm, buffer))
return false;
strcpy(hm->groundshadername, "terrainshader");
strcpy(hm->skyname, "sky1");
hm->entitylock = Sys_CreateMutex();
hm->sectionsize = sectsize;
if (legacyterrain)
{
hm->firstsegx = -1;
hm->firstsegy = -1;
hm->maxsegx = +1;
hm->maxsegy = +1;
}
else
{
hm->firstsegx = 0;
hm->firstsegy = 0;
hm->maxsegx = 0;
hm->maxsegy = 0;
}
hm->legacyterrain = legacyterrain;
if (legacyterrain)
hm->exteriorcontents = FTECONTENTS_SOLID; //sky outside the map
Terr_ParseEntityLump(mod, hm);
if (hm->firstsegx != hm->maxsegx)
{
vec3_t point;
point[0] = (hm->firstsegx - CHUNKBIAS) * hm->sectionsize;
point[1] = (hm->firstsegy - CHUNKBIAS) * hm->sectionsize;
point[2] = -999999999999999999999999.f;
AddPointToBounds(point, mod->mins, mod->maxs);
point[0] = (hm->maxsegx - CHUNKBIAS) * hm->sectionsize;
point[1] = (hm->maxsegy - CHUNKBIAS) * hm->sectionsize;
point[2] = 999999999999999999999999.f;
AddPointToBounds(point, mod->mins, mod->maxs);
}
mod->funcs.NativeTrace = Heightmap_Trace_Test;
mod->funcs.PointContents = Heightmap_PointContents;
mod->funcs.NativeContents = Heightmap_NativeBoxContents;
mod->funcs.LightPointValues = Heightmap_LightPointValues;
mod->funcs.StainNode = Heightmap_StainNode;
mod->funcs.MarkLights = Heightmap_MarkLights;
mod->funcs.ClusterForPoint = Heightmap_ClusterForPoint;
mod->funcs.ClusterPVS = Heightmap_ClusterPVS;
#ifndef CLIENTONLY
mod->funcs.FindTouchedLeafs = Heightmap_FindTouchedLeafs;
mod->funcs.EdictInFatPVS = Heightmap_EdictInFatPVS;
mod->funcs.FatPVS = Heightmap_FatPVS;
#endif
/* mod->hulls[0].funcs.HullPointContents = Heightmap_PointContents;
mod->hulls[1].funcs.HullPointContents = Heightmap_PointContents;
mod->hulls[2].funcs.HullPointContents = Heightmap_PointContents;
mod->hulls[3].funcs.HullPointContents = Heightmap_PointContents;
*/
mod->pvsbytes = sizeof(hmpvs_t);
mod->terrain = hm;
#ifdef RUNTIMELIGHTING
if (hm->relightcontext)
{
LightReloadEntities(hm->relightcontext, Mod_GetEntitiesString(mod), true);
hm->entsdirty = false;
}
#endif
validatelinks(&hm->recycle);
return true;
}
void *Mod_LoadTerrainInfo(model_t *mod, char *loadname, qboolean force)
{
heightmap_t *hm;
heightmap_t potential;
if (!Mod_GetEntitiesString(mod))
return NULL;
memset(&potential, 0, sizeof(potential));
Terr_ParseEntityLump(mod, &potential);
if (potential.firstsegx >= potential.maxsegx || potential.firstsegy >= potential.maxsegy)
{
//figure out the size such that it encompases the entire bsp.
potential.firstsegx = floor(mod->mins[0] / potential.sectionsize) + CHUNKBIAS;
potential.firstsegy = floor(mod->mins[1] / potential.sectionsize) + CHUNKBIAS;
potential.maxsegx = ceil(mod->maxs[0] / potential.sectionsize) + CHUNKBIAS;
potential.maxsegy = ceil(mod->maxs[1] / potential.sectionsize) + CHUNKBIAS;
if (*loadname=='*')
{
potential.firstsegx = bound(0, potential.firstsegx, CHUNKLIMIT);
potential.firstsegy = bound(0, potential.firstsegy, CHUNKLIMIT);
potential.maxsegx = bound(potential.firstsegx, potential.maxsegx, CHUNKLIMIT);
potential.maxsegy = bound(potential.firstsegx, potential.maxsegy, CHUNKLIMIT);
}
else
{//bound it, such that 0 0 will always be loaded.
potential.firstsegx = bound(0, potential.firstsegx, CHUNKBIAS);
potential.firstsegy = bound(0, potential.firstsegy, CHUNKBIAS);
potential.maxsegx = bound(CHUNKBIAS+1, potential.maxsegx, CHUNKLIMIT);
potential.maxsegy = bound(CHUNKBIAS+1, potential.maxsegy, CHUNKLIMIT);
}
if (!force)
{
char sect[MAX_QPATH];
Q_snprintfz(sect, sizeof(sect), "maps/%s/sect_%03x_%03x.hms", loadname, potential.firstsegx + (potential.maxsegx-potential.firstsegx)/2, potential.firstsegy + (potential.maxsegy-potential.firstsegy)/2);
if (!COM_FCheckExists(sect))
{
Q_snprintfz(sect, sizeof(sect), "maps/%s/block_00_00.hms", loadname);
if (!COM_FCheckExists(sect))
return NULL;
}
}
}
hm = Z_Malloc(sizeof(*hm));
*hm = potential;
hm->entitylock = Sys_CreateMutex();
ClearLink(&hm->recycle);
Q_strncpyz(hm->path, loadname, sizeof(hm->path));
Q_strncpyz(hm->groundshadername, "terrainshader", sizeof(hm->groundshadername));
hm->exteriorcontents = FTECONTENTS_EMPTY; //bsp geometry outside the heightmap
return hm;
}
#ifndef SERVERONLY
void Mod_Terrain_Create_f(void)
{
int x,y;
hmsection_t *s;
heightmap_t *hm;
char *mname;
char *mapdesc;
char *skyname;
char *groundname;
char *watername;
char *groundheight;
char *waterheight;
char *seed;
vfsfile_t *file;
model_t mod;
memset(&mod, 0, sizeof(mod));
if (Cmd_Argc() < 2)
{
Con_Printf("%s: NAME \"DESCRIPTION\" SKYNAME DEFAULTGROUNDTEX DEFAULTHEIGHT DEFAULTWATER DEFAULTWATERHEIGHT seed\nGenerates a fresh maps/foo.hmp file. You may wish to edit it with notepad later to customise it. You will need csaddon.dat in order to edit the actual terrain.\n", Cmd_Argv(0));
return;
}
mname = va("maps/%s.hmp", Cmd_Argv(1));
mapdesc = Cmd_Argv(2); if (!*mapdesc) mapdesc = Cmd_Argv(1);
skyname = Cmd_Argv(3);
groundname = Cmd_Argv(4);
groundheight = Cmd_Argv(5);
watername = Cmd_Argv(6);
waterheight = Cmd_Argv(7);
seed = Cmd_Argv(7);
Mod_SetEntitiesString(&mod, va(
"{\n"
"classname \"worldspawn\"\n"
"message \"%s\"\n"
"_sky \"%s\"\n"
"_fog 0.02\n"
"_maxdrawdist 0 /*overrides fog distance (if greater)*/\n"
"_segmentsize 1024 /*how big each section is. this affects texturing and resolutions*/\n"
"_minxsegment -2048\n"
"_minysegment -2048\n"
"_maxxsegment 2048\n"
"_maxysegment 2048\n"
"_seed \"%s\" /*for auto-gen plugins*/\n"
"_exterior solid\n"
"_defaultgroundtexture \"%s\"\n"
"_defaultgroundheight \"%s\"\n"
"_defaultwatertexture \"%s\"\n"
"_defaultwaterheight \"%s\"\n" //hurrah, sea level.
// "_tiles 64 64 8 8\n"
"}\n"
"{\n"
"classname info_player_start\n"
"origin \"0 0 1024\" /*EDITME*/\n"
"}\n"
"/*ADD EXTRA ENTITIES!*/\n"
, mapdesc
,*skyname?skyname:"terrsky1", seed
,*groundname?groundname:"ground1_1"
,*groundheight?groundheight:"-1024"
,*watername?watername:"*water2"
,*waterheight?waterheight:"0"
), true);
mod.type = mod_heightmap;
mod.terrain = hm = Z_Malloc(sizeof(*hm));
Terr_ParseEntityLump(&mod, hm);
hm->entitylock = Sys_CreateMutex();
ClearLink(&hm->recycle);
Q_strncpyz(hm->path, Cmd_Argv(1), sizeof(hm->path));
Q_strncpyz(hm->groundshadername, "terrainshader", sizeof(hm->groundshadername));
hm->exteriorcontents = FTECONTENTS_SOLID;
for (x = CHUNKBIAS-1; x < CHUNKBIAS+1; x++)
for (y = CHUNKBIAS-1; y < CHUNKBIAS+1; y++)
Terr_GetSection(hm, x, y, TGS_TRYLOAD|TGS_DEFAULTONFAIL);
for (x = CHUNKBIAS-1; x < CHUNKBIAS+1; x++)
for (y = CHUNKBIAS-1; y < CHUNKBIAS+1; y++)
{
s = Terr_GetSection(hm, x, y, TGS_WAITLOAD|TGS_DEFAULTONFAIL);
if (s && (s->flags & (TSF_EDITED|TSF_DIRTY)))
{
Terr_InitLightmap(s, false);
Terr_SaveSection(hm, s, x, y, true);
}
}
if (COM_FCheckExists(mname))
{
Con_Printf("%s: already exists, not overwriting.\n", mname);
return;
}
FS_CreatePath(mname, FS_GAMEONLY);
file = FS_OpenVFS(mname, "wb", FS_GAMEONLY);
if (!file)
Con_Printf("unable to open %s\n", mname);
else
{
Terr_WriteMapFile(file, &mod);
VFS_CLOSE(file);
Con_Printf("Wrote %s\n", mname);
FS_FlushFSHashWritten(mname);
}
Mod_SetEntitiesString(&mod, NULL, false);
Terr_FreeModel(&mod);
}
#endif
//reads in the terrain a tile at a time, and writes it out again.
//the new version will match our current format version.
//this is mostly so I can strip out old format revisions...
#ifndef SERVERONLY
void Mod_Terrain_Convert_f(void)
{
model_t *mod;
heightmap_t *hm;
if (Cmd_FromGamecode())
return;
if (Cmd_Argc() >= 2)
mod = Mod_FindName(va("maps/%s.hmp", Cmd_Argv(1)));
else if (cls.state)
mod = cl.worldmodel;
else
mod = NULL;
if (!mod || mod->type == mod_dummy)
return;
hm = mod->terrain;
if (!hm)
return;
{
char *texkill = Cmd_Argv(2);
hmsection_t *s;
int x, sx;
int y, sy;
while(Terr_Collect(hm)) //collect as many as we can now, so when we collect later, the one that's collected is fresh.
;
for (y = hm->firstsegy; y < hm->maxsegy; y+=SECTIONSPERBLOCK)
{
Sys_Printf("%g%% complete\n", 100 * (y-hm->firstsegy)/(float)(hm->maxsegy-hm->firstsegy));
for (x = hm->firstsegx; x < hm->maxsegx; x+=SECTIONSPERBLOCK)
{
for (sy = y; sy < y+SECTIONSPERBLOCK && sy < hm->maxsegy; sy++)
{
for (sx = x; sx < x+SECTIONSPERBLOCK && sx < hm->maxsegx; sx++)
{
s = Terr_GetSection(hm, sx, sy, TGS_WAITLOAD|TGS_NODOWNLOAD|TGS_NORENDER);
if (s)
{
if (*texkill)
ted_texkill(s, texkill);
s->flags |= TSF_EDITED;
}
}
}
for (sy = y; sy < y+SECTIONSPERBLOCK && sy < hm->maxsegy; sy++)
{
for (sx = x; sx < x+SECTIONSPERBLOCK && sx < hm->maxsegx; sx++)
{
s = Terr_GetSection(hm, sx, sy, TGS_WAITLOAD|TGS_NODOWNLOAD|TGS_NORENDER);
if (s)
{
if (s->flags & TSF_EDITED)
{
if (Terr_SaveSection(hm, s, sx, sy, true))
{
s->flags &= ~TSF_EDITED;
}
}
}
}
}
while(Terr_Collect(hm))
;
}
}
Sys_Printf("%g%% complete\n", 100.0f);
}
}
#endif
void Mod_Terrain_Reload_f(void)
{
model_t *mod;
heightmap_t *hm;
if (Cmd_Argc() >= 2)
mod = Mod_FindName(va("maps/%s.hmp", Cmd_Argv(1)));
#ifndef SERVERONLY
else if (cls.state)
mod = cl.worldmodel;
#endif
else
mod = NULL;
if (!mod || mod->type == mod_dummy)
return;
hm = mod->terrain;
if (!hm)
return;
if (Cmd_Argc() >= 4)
{
hmsection_t *s;
int sx = atoi(Cmd_Argv(2)) + CHUNKBIAS;
int sy = atoi(Cmd_Argv(3)) + CHUNKBIAS;
if (hm)
{
s = Terr_GetSection(hm, sx, sy, TGS_NOLOAD);
if (s)
{
s->flags |= TSF_NOTIFY;
}
}
}
else
Terr_PurgeTerrainModel(mod, false, true);
}
terrainfuncs_t *QDECL Terr_GetTerrainFuncs(void)
{
#ifdef SERVERONLY
return NULL; //dedicated server builds have all the visual stuff stripped, which makes APIs too inconsistent. Generate then save. Or fix up the API...
#else
return &terrainfuncs;
#endif
}
void Terr_Init(void)
{
terrainfuncs.GenerateWater = Terr_GenerateWater;
terrainfuncs.InitLightmap = Terr_InitLightmap;
terrainfuncs.AddMesh = Terr_AddMesh;
terrainfuncs.GetLightmap = Terr_GetLightmap;
terrainfuncs.GetSection = Terr_GetSection;
terrainfuncs.GenerateSections = Terr_GenerateSections;
terrainfuncs.FinishedSection = Terr_FinishedSection;
Cvar_Register(&mod_terrain_networked, "Terrain");
Cvar_Register(&mod_terrain_defaulttexture, "Terrain");
Cvar_Register(&mod_terrain_savever, "Terrain");
Cmd_AddCommand("mod_terrain_save", Mod_Terrain_Save_f);
Cmd_AddCommand("mod_terrain_reload", Mod_Terrain_Reload_f);
#ifndef SERVERONLY
Cmd_AddCommand("mod_terrain_create", Mod_Terrain_Create_f);
Cmd_AddCommandD("mod_terrain_convert", Mod_Terrain_Convert_f, "mod_terrain_convert [mapname] [texkill]\nConvert a terrain to the current format. If texkill is specified, only tiles with the named texture will be converted, and tiles with that texture will be stripped. This is a slow operation.");
#endif
Mod_RegisterModelFormatText(NULL, "FTE Heightmap Map (hmp)", "terrain", Terr_LoadTerrainModel);
Mod_RegisterModelFormatText(NULL, "Quake Map Format (map)", "{", Terr_LoadTerrainModel);
}
#endif
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