28303fb5f3
git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@4430 fc73d0e0-1445-4013-8a0c-d673dee63da5
1324 lines
34 KiB
C
1324 lines
34 KiB
C
#include "quakedef.h"
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#ifdef MAP_PROC
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#ifndef SERVERONLY
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#include "shader.h"
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#endif
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void Mod_SetParent (mnode_t *node, mnode_t *parent);
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int D3_LeafnumForPoint (struct model_s *model, vec3_t point);
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#ifndef SERVERONLY
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qboolean Mod_LoadMap_Proc(model_t *model, char *data)
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{
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char token[256];
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int ver = 0;
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data = COM_ParseOut(data, token, sizeof(token));
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if (!strcmp(token, "mapProcFile003"))
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ver = 3;
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if (!strcmp(token, "PROC"))
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{
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data = COM_ParseOut(data, token, sizeof(token));
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ver = atoi(token);
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}
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if (ver != 3 && ver != 4)
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{
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Con_Printf("proc format not compatible %s\n", token);
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return false;
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}
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/*FIXME: add sanity checks*/
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if (ver == 4)
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{
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data = COM_ParseOut(data, token, sizeof(token));
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}
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while(1)
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{
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data = COM_ParseOut(data, token, sizeof(token));
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if (!data)
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break;
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else if (!strcmp(token, "model"))
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{
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batch_t *b;
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mesh_t *m, **ml;
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model_t *sub;
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float f;
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int numsurfs, surf;
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int numverts, v, j;
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int numindicies;
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char *vdata;
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "{"))
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return false;
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data = COM_ParseOut(data, token, sizeof(token));
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sub = Mod_FindName(va("*%s", token));
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data = COM_ParseOut(data, token, sizeof(token));
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numsurfs = atoi(token);
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if (numsurfs < 0 || numsurfs > 10000)
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return false;
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if (numsurfs)
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{
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b = ZG_Malloc(&model->memgroup, sizeof(*b) * numsurfs);
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m = ZG_Malloc(&model->memgroup, sizeof(*m) * numsurfs);
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ml = ZG_Malloc(&model->memgroup, sizeof(*ml) * numsurfs);
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}
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else
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{
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b = NULL;
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m = NULL;
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ml = NULL;
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}
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sub->numsurfaces = numsurfs;
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//ver4 may have a 'sky' field here
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vdata = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "{") && strcmp(token, "}"))
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{
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//sky = atoi(token);
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data = vdata;
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}
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sub->mins[0] = 99999999;
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sub->mins[1] = 99999999;
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sub->mins[2] = 99999999;
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sub->maxs[0] = -99999999;
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sub->maxs[1] = -99999999;
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sub->maxs[2] = -99999999;
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for (surf = 0; surf < numsurfs; surf++)
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{
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "{"))
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break;
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if (!data)
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return false;
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b[surf].maxmeshes = 1;
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b[surf].mesh = &ml[surf];
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ml[surf] = &m[surf];
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b[surf].lightmap[0] = -1;
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b[surf].lightmap[1] = -1;
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b[surf].lightmap[2] = -1;
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b[surf].lightmap[3] = -1;
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data = COM_ParseOut(data, token, sizeof(token));
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b[surf].shader = R_RegisterShader_Vertex(token);
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data = COM_ParseOut(data, token, sizeof(token));
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numverts = atoi(token);
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data = COM_ParseOut(data, token, sizeof(token));
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numindicies = atoi(token);
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b[surf].next = sub->batches[b[surf].shader->sort];
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sub->batches[b[surf].shader->sort] = &b[surf];
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m[surf].numvertexes = numverts;
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m[surf].numindexes = numindicies;
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vdata = ZG_Malloc(&model->memgroup, numverts * (sizeof(vecV_t) + sizeof(vec2_t) + sizeof(vec3_t) + sizeof(vec4_t)) + numindicies * sizeof(index_t));
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m[surf].colors4f_array = (vec4_t*)vdata;vdata += sizeof(vec4_t)*numverts;
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m[surf].xyz_array = (vecV_t*)vdata;vdata += sizeof(vecV_t)*numverts;
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m[surf].st_array = (vec2_t*)vdata;vdata += sizeof(vec2_t)*numverts;
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m[surf].normals_array = (vec3_t*)vdata;vdata += sizeof(vec3_t)*numverts;
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m[surf].indexes = (index_t*)vdata;
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for (v = 0; v < numverts; v++)
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{
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "("))
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return false;
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data = COM_ParseOut(data, token, sizeof(token));
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m[surf].xyz_array[v][0] = atof(token);
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data = COM_ParseOut(data, token, sizeof(token));
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m[surf].xyz_array[v][1] = atof(token);
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data = COM_ParseOut(data, token, sizeof(token));
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m[surf].xyz_array[v][2] = atof(token);
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data = COM_ParseOut(data, token, sizeof(token));
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m[surf].st_array[v][0] = atof(token);
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data = COM_ParseOut(data, token, sizeof(token));
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m[surf].st_array[v][1] = atof(token);
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data = COM_ParseOut(data, token, sizeof(token));
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m[surf].normals_array[v][0] = atof(token);
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data = COM_ParseOut(data, token, sizeof(token));
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m[surf].normals_array[v][1] = atof(token);
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data = COM_ParseOut(data, token, sizeof(token));
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m[surf].normals_array[v][2] = atof(token);
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for (j = 0; j < 3; j++)
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{
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f = m[surf].xyz_array[v][j];
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if (f > sub->maxs[j])
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sub->maxs[j] = f;
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if (f < sub->mins[j])
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sub->mins[j] = f;
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}
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m[surf].colors4f_array[v][0] = 255;
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m[surf].colors4f_array[v][1] = 255;
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m[surf].colors4f_array[v][2] = 255;
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m[surf].colors4f_array[v][3] = 255;
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data = COM_ParseOut(data, token, sizeof(token));
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/*if its not closed yet, there's an optional colour value*/
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if (strcmp(token, ")"))
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{
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m[surf].colors4f_array[v][0] = atof(token)/255;
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data = COM_ParseOut(data, token, sizeof(token));
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m[surf].colors4f_array[v][1] = atof(token)/255;
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data = COM_ParseOut(data, token, sizeof(token));
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m[surf].colors4f_array[v][2] = atof(token)/255;
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data = COM_ParseOut(data, token, sizeof(token));
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m[surf].colors4f_array[v][3] = atof(token)/255;
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, ")"))
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return false;
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}
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}
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for (v = 0; v < numindicies; v++)
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{
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data = COM_ParseOut(data, token, sizeof(token));
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m[surf].indexes[v] = atoi(token);
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}
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "}"))
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return false;
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}
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "}"))
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return false;
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sub->needload = false;
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sub->fromgame = fg_doom3;
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sub->type = mod_brush;
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BE_GenBrushModelVBO(sub);
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}
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else if (!strcmp(token, "shadowModel"))
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{
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int numverts, v;
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int numindexes, i;
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "{"))
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return false;
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data = COM_ParseOut(data, token, sizeof(token));
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//name
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data = COM_ParseOut(data, token, sizeof(token));
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numverts = atoi(token);
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data = COM_ParseOut(data, token, sizeof(token));
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//nocaps
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data = COM_ParseOut(data, token, sizeof(token));
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//nofrontcaps
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data = COM_ParseOut(data, token, sizeof(token));
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numindexes = atoi(token);
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data = COM_ParseOut(data, token, sizeof(token));
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//planebits
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for (v = 0; v < numverts; v++)
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{
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "("))
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return false;
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data = COM_ParseOut(data, token, sizeof(token));
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//x
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data = COM_ParseOut(data, token, sizeof(token));
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//y
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data = COM_ParseOut(data, token, sizeof(token));
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//z
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, ")"))
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return false;
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}
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for (i = 0; i < numindexes; i++)
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{
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data = COM_ParseOut(data, token, sizeof(token));
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}
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "}"))
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return false;
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}
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else if (!strcmp(token, "nodes"))
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{
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int numnodes, n;
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "{"))
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return false;
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data = COM_ParseOut(data, token, sizeof(token));
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numnodes = atoi(token);
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model->nodes = ZG_Malloc(&model->memgroup, sizeof(*model->nodes)*numnodes);
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model->planes = ZG_Malloc(&model->memgroup, sizeof(*model->planes)*numnodes);
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for (n = 0; n < numnodes; n++)
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{
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "("))
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return false;
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model->nodes[n].plane = &model->planes[n];
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data = COM_ParseOut(data, token, sizeof(token));
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model->planes[n].normal[0] = atof(token);
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data = COM_ParseOut(data, token, sizeof(token));
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model->planes[n].normal[1] = atof(token);
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data = COM_ParseOut(data, token, sizeof(token));
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model->planes[n].normal[2] = atof(token);
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data = COM_ParseOut(data, token, sizeof(token));
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model->planes[n].dist = atof(token);
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, ")"))
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return false;
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data = COM_ParseOut(data, token, sizeof(token));
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model->nodes[n].childnum[0] = atoi(token);
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data = COM_ParseOut(data, token, sizeof(token));
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model->nodes[n].childnum[1] = atoi(token);
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}
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "}"))
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return false;
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Mod_SetParent(model->nodes, NULL);
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}
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else if (!strcmp(token, "interAreaPortals"))
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{
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//int numareas;
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int pno, v;
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portal_t *p;
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "{"))
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return false;
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data = COM_ParseOut(data, token, sizeof(token));
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//numareas = atoi(token);
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data = COM_ParseOut(data, token, sizeof(token));
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model->numportals = atoi(token);
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model->portal = p = ZG_Malloc(&model->memgroup, sizeof(*p) * model->numportals);
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for (pno = 0; pno < model->numportals; pno++, p++)
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{
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data = COM_ParseOut(data, token, sizeof(token));
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p->numpoints = atoi(token);
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data = COM_ParseOut(data, token, sizeof(token));
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p->area[0] = atoi(token);
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data = COM_ParseOut(data, token, sizeof(token));
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p->area[1] = atoi(token);
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p->points = ZG_Malloc(&model->memgroup, sizeof(*p->points) * p->numpoints);
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ClearBounds(p->min, p->max);
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for (v = 0; v < p->numpoints; v++)
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{
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "("))
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return false;
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data = COM_ParseOut(data, token, sizeof(token));
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p->points[v][0] = atof(token);
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data = COM_ParseOut(data, token, sizeof(token));
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p->points[v][1] = atof(token);
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data = COM_ParseOut(data, token, sizeof(token));
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p->points[v][2] = atof(token);
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p->points[v][3] = 1;
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AddPointToBounds(p->points[v], p->min, p->max);
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, ")"))
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return false;
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}
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}
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data = COM_ParseOut(data, token, sizeof(token));
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if (strcmp(token, "}"))
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return false;
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}
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else
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{
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Con_Printf("unexpected token %s\n", token);
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return false;
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}
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}
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return true;
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}
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qboolean R_CullBox (vec3_t mins, vec3_t maxs);
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static int walkno;
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/*convert each portal to a 2d box, because its much much simpler than true poly clipping*/
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void D3_WalkPortal(model_t *mod, int start, vec_t bounds[4], unsigned char *vis)
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{
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int i;
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portal_t *p;
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int side;
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vec_t newbounds[4];
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vis[start>>3] |= 1<<(start&7);
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for (i = 0; i < mod->numportals; i++)
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{
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p = mod->portal+i;
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if (p->walkno == walkno)
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continue;
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if (p->area[0] == start)
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side = 0;
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else if (p->area[1] == start)
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side = 1;
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else
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continue;
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if (R_CullBox(p->min, p->max))
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{
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continue;
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}
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p->walkno = walkno;
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D3_WalkPortal(mod, p->area[!side], newbounds, vis);
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}
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}
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unsigned char *D3_CalcVis(model_t *mod, vec3_t org)
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{
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int start;
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static unsigned char vis[256];
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vec_t newbounds[4];
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start = D3_LeafnumForPoint(mod, org);
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/*figure out which area we're in*/
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if (start < 0)
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{
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/*outside the world, just make it all visible, and take the fps hit*/
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memset(vis, 255, 4);
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return vis;
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}
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else if (r_novis.value)
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return vis;
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else
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{
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memset(vis, 0, 4);
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/*make a bounds the size of the view*/
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newbounds[0] = -1;
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newbounds[1] = 1;
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newbounds[2] = -1;
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newbounds[3] = 1;
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walkno++;
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D3_WalkPortal(mod, start, newbounds, vis);
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// Con_Printf("%x %x %x %x\n", vis[0], vis[1], vis[2], vis[3]);
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return vis;
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}
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}
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/*emits static entities, one for each area, which is only visible if that area is in the vis*/
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void D3_GenerateAreas(model_t *mod)
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{
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entity_t *ent;
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int area;
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for (area = 0; area < 256*8; area++)
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{
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if (cl.num_statics == cl_max_static_entities)
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{
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cl_max_static_entities += 16;
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cl_static_entities = BZ_Realloc(cl_static_entities, sizeof(*cl_static_entities) * cl_max_static_entities);
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}
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ent = &cl_static_entities[cl.num_statics].ent;
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cl_static_entities[cl.num_statics].mdlidx = 0;
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memset(ent, 0, sizeof(*ent));
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ent->model = Mod_FindName(va("*_area%i", area));
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ent->scale = 1;
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AngleVectors(ent->angles, ent->axis[0], ent->axis[1], ent->axis[2]);
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VectorInverse(ent->axis[1]);
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ent->shaderRGBAf[0] = 1;
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ent->shaderRGBAf[1] = 1;
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ent->shaderRGBAf[2] = 1;
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ent->shaderRGBAf[3] = 1;
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/*put it in that area*/
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cl_static_entities[cl.num_statics].pvscache.num_leafs = 1;
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cl_static_entities[cl.num_statics].pvscache.leafnums[0] = area;
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if (ent->model && !ent->model->needload)
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cl.num_statics++;
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else
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break;
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}
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}
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#endif
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//edict system as opposed to q2 game dll system.
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void D3_FindTouchedLeafs (struct model_s *model, struct pvscache_s *ent, vec3_t cullmins, vec3_t cullmaxs)
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{
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}
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qbyte *D3_LeafPVS (struct model_s *model, int num, qbyte *buffer, unsigned int buffersize)
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{
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return buffer;
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}
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int D3_LeafnumForPoint (struct model_s *model, vec3_t point)
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{
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float p;
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int c;
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mnode_t *node;
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node = model->nodes;
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while(1)
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{
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p = DotProduct(point, node->plane->normal) + node->plane->dist;
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c = node->childnum[p<0];
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if (c <= 0)
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return -1-c;
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node = model->nodes + c;
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}
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return 0;
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}
|
|
unsigned int D3_FatPVS (struct model_s *model, vec3_t org, qbyte *pvsbuffer, unsigned int buffersize, qboolean merge)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void D3_StainNode (struct mnode_s *node, float *parms)
|
|
{
|
|
}
|
|
|
|
void D3_LightPointValues (struct model_s *model, vec3_t point, vec3_t res_diffuse, vec3_t res_ambient, vec3_t res_dir)
|
|
{
|
|
/*basically require rtlighting for any light*/
|
|
VectorClear(res_diffuse);
|
|
VectorClear(res_ambient);
|
|
VectorClear(res_dir);
|
|
res_dir[2] = 1;
|
|
}
|
|
|
|
|
|
qboolean D3_EdictInFatPVS (struct model_s *model, struct pvscache_s *edict, qbyte *pvsbuffer)
|
|
{
|
|
int i;
|
|
for (i = 0; i < edict->num_leafs; i++)
|
|
if (pvsbuffer[edict->leafnums[i]>>3] & (1u<<(edict->leafnums[i]&7)))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
typedef struct cm_surface_s
|
|
{
|
|
vec3_t mins, maxs;
|
|
vec4_t plane;
|
|
int numedges;
|
|
vec4_t *edge;
|
|
|
|
shader_t *shader;
|
|
struct cm_surface_s *next;
|
|
} cm_surface_t;
|
|
|
|
typedef struct cm_brush_s
|
|
{
|
|
vec3_t mins, maxs;
|
|
int numplanes;
|
|
vec4_t *plane;
|
|
unsigned int contents;
|
|
struct cm_brush_s *next;
|
|
} cm_brush_t;
|
|
|
|
typedef struct cm_node_s
|
|
{
|
|
int axis; /*0=x,1=y,2=z*/
|
|
float dist;
|
|
vec3_t mins, maxs;
|
|
struct cm_node_s *parent;
|
|
struct cm_node_s *child[2];
|
|
|
|
cm_brush_t *brushlist;
|
|
cm_surface_t *surfacelist;
|
|
} cm_node_t;
|
|
|
|
static struct
|
|
{
|
|
float truefraction;
|
|
|
|
qboolean ispoint;
|
|
vec3_t start;
|
|
vec3_t end;
|
|
vec3_t absmins, absmaxs;
|
|
vec3_t szmins, szmaxs;
|
|
vec3_t extents;
|
|
|
|
cm_surface_t *surf;
|
|
} traceinfo;
|
|
|
|
#define DIST_EPSILON (0.03125)
|
|
|
|
static void D3_TraceToLeaf (cm_node_t *leaf)
|
|
{
|
|
float diststart;
|
|
float distend;
|
|
float frac;
|
|
vec3_t impactpoint;
|
|
qboolean back;
|
|
int i, j;
|
|
float pdist, expand;
|
|
vec3_t ofs;
|
|
|
|
cm_surface_t *surf;
|
|
for (surf = leaf->surfacelist; surf; surf = surf->next)
|
|
{
|
|
/*lots of maths in this function, we should check the surf's bbox*/
|
|
if (surf->mins[0] > traceinfo.absmaxs[0] || traceinfo.absmins[0] > surf->maxs[0] ||
|
|
surf->mins[1] > traceinfo.absmaxs[1] || traceinfo.absmins[1] > surf->maxs[1] ||
|
|
surf->mins[2] > traceinfo.absmaxs[2] || traceinfo.absmins[2] > surf->maxs[2])
|
|
continue;
|
|
|
|
if (!traceinfo.ispoint)
|
|
{ // general box case
|
|
|
|
// push the plane out apropriately for mins/maxs
|
|
|
|
// FIXME: use signbits into 8 way lookup for each mins/maxs
|
|
for (i=0 ; i<3 ; i++)
|
|
{
|
|
if (surf->plane[i] < 0)
|
|
ofs[i] = traceinfo.szmaxs[i];
|
|
else
|
|
ofs[i] = traceinfo.szmins[i];
|
|
}
|
|
expand = DotProduct (ofs, surf->plane);
|
|
// pdist = surf->plane[3] - expand;
|
|
}
|
|
else
|
|
{ // special point case
|
|
// pdist = surf->plane[3];
|
|
expand = 0;
|
|
}
|
|
|
|
diststart = DotProduct(traceinfo.start, surf->plane);
|
|
/*started behind?*/
|
|
back = diststart < surf->plane[3];
|
|
if (diststart <= surf->plane[3]-expand)
|
|
{
|
|
/*the trace started behind our expanded front plane*/
|
|
|
|
/*don't stop just because the point is closer than the extended plane*/
|
|
/*epsilon here please*/
|
|
if (diststart <= surf->plane[3])
|
|
continue;
|
|
|
|
distend = DotProduct(traceinfo.end, surf->plane);
|
|
if (distend < diststart)
|
|
frac = 0; /*don't let us go further into the wall*/
|
|
else
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
distend = DotProduct(traceinfo.end, surf->plane);
|
|
/*ended on the other side*/
|
|
if (back)
|
|
{
|
|
if (distend+expand > -surf->plane[3])
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
if (distend+expand > surf->plane[3])
|
|
continue;
|
|
}
|
|
|
|
if (diststart == distend)
|
|
frac = 0;
|
|
else
|
|
frac = (diststart - (surf->plane[3]-expand)) / (diststart-distend);
|
|
}
|
|
|
|
/*give up if we already found a closer plane*/
|
|
if (frac >= traceinfo.truefraction)
|
|
continue;
|
|
|
|
/*okay, this is where it hits this plane*/
|
|
impactpoint[0] = traceinfo.start[0] + frac*(traceinfo.end[0] - traceinfo.start[0]);
|
|
impactpoint[1] = traceinfo.start[1] + frac*(traceinfo.end[1] - traceinfo.start[1]);
|
|
impactpoint[2] = traceinfo.start[2] + frac*(traceinfo.end[2] - traceinfo.start[2]);
|
|
|
|
/*if the impact was not on the surface*/
|
|
for (i = 0; i < surf->numedges; i++)
|
|
{
|
|
if (!traceinfo.ispoint)
|
|
{ // 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 (surf->edge[i][j] < 0)
|
|
ofs[j] = traceinfo.szmaxs[j];
|
|
else
|
|
ofs[j] = traceinfo.szmins[j];
|
|
}
|
|
pdist = DotProduct (ofs, surf->edge[i]);
|
|
pdist = surf->edge[i][3] - pdist;
|
|
}
|
|
else
|
|
{ // special point case
|
|
pdist = surf->edge[i][3];
|
|
}
|
|
|
|
if (DotProduct(impactpoint, surf->edge[i]) > pdist)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
/*if we were inside all edges, we hit the surface*/
|
|
if (i == surf->numedges)
|
|
{
|
|
|
|
traceinfo.truefraction = frac;
|
|
traceinfo.surf = surf;
|
|
|
|
/*we can't early out. there are multiple surfs in each leaf, and they could overlap. earlying out will result in errors if we hit a further one before the nearer*/
|
|
}
|
|
}
|
|
}
|
|
|
|
/*returns the most distant node which contains the entire box*/
|
|
static cm_node_t *D3_ChildNodeForBox(cm_node_t *node, vec3_t mins, vec3_t maxs)
|
|
{
|
|
float t1, t2;
|
|
for(;;)
|
|
{
|
|
t1 = mins[node->axis] - node->dist;
|
|
t2 = maxs[node->axis] - node->dist;
|
|
|
|
//if its completely to one side, walk down that side
|
|
if (t1 > maxs[node->axis] && t2 > maxs[node->axis])
|
|
{
|
|
//if this is a leaf, we can't insert in a child anyway.
|
|
if (!node->child[0])
|
|
break;
|
|
node = node->child[0];
|
|
continue;
|
|
}
|
|
if (t1 < mins[node->axis] && t2 < mins[node->axis])
|
|
{
|
|
//if this is a leaf, we can't insert in a child anyway.
|
|
if (!node->child[1])
|
|
break;
|
|
node = node->child[1];
|
|
continue;
|
|
}
|
|
|
|
//the box crosses this node
|
|
break;
|
|
}
|
|
|
|
return node;
|
|
}
|
|
|
|
static void D3_InsertClipSurface(cm_node_t *node, cm_surface_t *surf)
|
|
{
|
|
node = D3_ChildNodeForBox(node, surf->mins, surf->maxs);
|
|
|
|
surf->next = node->surfacelist;
|
|
node->surfacelist = surf;
|
|
}
|
|
static void D3_InsertClipBrush(cm_node_t *node, cm_brush_t *brush)
|
|
{
|
|
node = D3_ChildNodeForBox(node, brush->mins, brush->maxs);
|
|
|
|
brush->next = node->brushlist;
|
|
node->brushlist = brush;
|
|
}
|
|
|
|
static void D3_RecursiveSurfCheck (cm_node_t *node, float p1f, float p2f, vec3_t p1, vec3_t p2)
|
|
{
|
|
float t1, t2, offset;
|
|
float frac, frac2;
|
|
float idist;
|
|
int i;
|
|
vec3_t mid;
|
|
int side;
|
|
float midf;
|
|
|
|
if (traceinfo.truefraction <= p1f)
|
|
return; // already hit something nearer
|
|
|
|
/*err, no child here*/
|
|
if (!node)
|
|
return;
|
|
|
|
D3_TraceToLeaf (node);
|
|
|
|
//
|
|
// find the point distances to the seperating plane
|
|
// and the offset for the size of the box
|
|
//
|
|
|
|
t1 = p1[node->axis] - node->dist;
|
|
t2 = p2[node->axis] - node->dist;
|
|
offset = traceinfo.extents[node->axis];
|
|
|
|
#if 0
|
|
D3_RecursiveHullCheck (node->childnum[0], p1f, p2f, p1, p2);
|
|
D3_RecursiveHullCheck (node->childnum[1], p1f, p2f, p1, p2);
|
|
return;
|
|
#endif
|
|
|
|
// see which sides we need to consider
|
|
if (t1 >= offset && t2 >= offset)
|
|
{
|
|
D3_RecursiveSurfCheck (node->child[0], p1f, p2f, p1, p2);
|
|
return;
|
|
}
|
|
if (t1 < -offset && t2 < -offset)
|
|
{
|
|
D3_RecursiveSurfCheck ( node->child[1], p1f, p2f, p1, p2);
|
|
return;
|
|
}
|
|
|
|
// put the crosspoint DIST_EPSILON pixels on the near side
|
|
if (t1 < t2)
|
|
{
|
|
idist = 1.0/(t1-t2);
|
|
side = 1;
|
|
frac2 = (t1 + offset + DIST_EPSILON)*idist;
|
|
frac = (t1 - offset + DIST_EPSILON)*idist;
|
|
}
|
|
else if (t1 > t2)
|
|
{
|
|
idist = 1.0/(t1-t2);
|
|
side = 0;
|
|
frac2 = (t1 - offset - DIST_EPSILON)*idist;
|
|
frac = (t1 + offset + DIST_EPSILON)*idist;
|
|
}
|
|
else
|
|
{
|
|
side = 0;
|
|
frac = 1;
|
|
frac2 = 0;
|
|
}
|
|
|
|
// move up to the node
|
|
if (frac < 0)
|
|
frac = 0;
|
|
if (frac > 1)
|
|
frac = 1;
|
|
|
|
midf = p1f + (p2f - p1f)*frac;
|
|
for (i=0 ; i<3 ; i++)
|
|
mid[i] = p1[i] + frac*(p2[i] - p1[i]);
|
|
|
|
D3_RecursiveSurfCheck (node->child[side], p1f, midf, p1, mid);
|
|
|
|
|
|
// go past the node
|
|
if (frac2 < 0)
|
|
frac2 = 0;
|
|
if (frac2 > 1)
|
|
frac2 = 1;
|
|
|
|
midf = p1f + (p2f - p1f)*frac2;
|
|
for (i=0 ; i<3 ; i++)
|
|
mid[i] = p1[i] + frac2*(p2[i] - p1[i]);
|
|
|
|
D3_RecursiveSurfCheck (node->child[side^1], midf, p2f, mid, p2);
|
|
}
|
|
|
|
qboolean D3_Trace (struct model_s *model, int hulloverride, int frame, vec3_t axis[3], vec3_t p1, vec3_t p2, vec3_t mins, vec3_t maxs, unsigned int hitcontentsmask, struct trace_s *trace)
|
|
{
|
|
int i;
|
|
float e1,e2;
|
|
traceinfo.truefraction = 1;
|
|
VectorCopy(p1, traceinfo.start);
|
|
VectorCopy(p2, traceinfo.end);
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
e1 = fabs(mins[i]);
|
|
e2 = fabs(maxs[i]);
|
|
traceinfo.extents[i] = ((e1>e2)?e1:e2);
|
|
traceinfo.szmins[i] = mins[i];
|
|
traceinfo.szmaxs[i] = maxs[i];
|
|
|
|
traceinfo.absmins[i] = ((p1[i]<p2[i])?p1[i]:p2[i]) + mins[i];
|
|
traceinfo.absmaxs[i] = ((p1[i]>p2[i])?p1[i]:p2[i]) + maxs[i];
|
|
}
|
|
traceinfo.ispoint = !traceinfo.extents[0] && !traceinfo.extents[1] && !traceinfo.extents[2];
|
|
|
|
traceinfo.surf = NULL;
|
|
|
|
D3_RecursiveSurfCheck(model->cnodes, 0, 1, p1, p2);
|
|
|
|
memset(trace, 0, sizeof(*trace));
|
|
if (!traceinfo.surf)
|
|
{
|
|
trace->fraction = 1;
|
|
VectorCopy(p2, trace->endpos);
|
|
}
|
|
else
|
|
{
|
|
float frac;
|
|
/*we now know which surface it hit. recalc the impact point, but with an epsilon this time, so we can never get too close to the surface*/
|
|
|
|
VectorCopy(traceinfo.surf->plane, trace->plane.normal);
|
|
if (!traceinfo.ispoint)
|
|
{ // general box case
|
|
vec3_t ofs;
|
|
// push the plane out apropriately for mins/maxs
|
|
|
|
// FIXME: use signbits into 8 way lookup for each mins/maxs
|
|
for (i=0 ; i<3 ; i++)
|
|
{
|
|
if (traceinfo.surf->plane[i] < 0)
|
|
ofs[i] = traceinfo.szmaxs[i];
|
|
else
|
|
ofs[i] = traceinfo.szmins[i];
|
|
}
|
|
e1 = DotProduct (ofs, traceinfo.surf->plane);
|
|
trace->plane.dist = traceinfo.surf->plane[3] - e1;
|
|
}
|
|
else
|
|
{ // special point case
|
|
trace->plane.dist = traceinfo.surf->plane[3];
|
|
}
|
|
|
|
frac = traceinfo.truefraction;
|
|
/*
|
|
diststart = DotProduct(traceinfo.start, trace->plane.normal);
|
|
distend = DotProduct(traceinfo.end, trace->plane.normal);
|
|
if (diststart == distend)
|
|
frac = 0;
|
|
else
|
|
{
|
|
frac = (diststart - trace->plane.dist) / (diststart-distend);
|
|
if (frac < 0)
|
|
frac = 0;
|
|
else if (frac > 1)
|
|
frac = 1;
|
|
}*/
|
|
|
|
/*okay, this is where it hits this plane*/
|
|
trace->endpos[0] = traceinfo.start[0] + frac*(traceinfo.end[0] - traceinfo.start[0]);
|
|
trace->endpos[1] = traceinfo.start[1] + frac*(traceinfo.end[1] - traceinfo.start[1]);
|
|
trace->endpos[2] = traceinfo.start[2] + frac*(traceinfo.end[2] - traceinfo.start[2]);
|
|
trace->fraction = frac;
|
|
}
|
|
trace->ent = NULL;
|
|
return false;
|
|
}
|
|
|
|
unsigned int D3_PointContents (struct model_s *model, vec3_t axis[3], vec3_t p)
|
|
{
|
|
cm_node_t *node = model->cnodes;
|
|
cm_brush_t *brush;
|
|
float t1;
|
|
unsigned int contents = 0;
|
|
int i;
|
|
|
|
if (axis)
|
|
{
|
|
vec3_t tmp;
|
|
VectorCopy(p, tmp);
|
|
p[0] = DotProduct(tmp, axis[0]);
|
|
p[1] = DotProduct(tmp, axis[1]);
|
|
p[2] = DotProduct(tmp, axis[2]);
|
|
}
|
|
|
|
while(node)
|
|
{
|
|
for (brush = node->brushlist; brush; brush = brush->next)
|
|
{
|
|
if (brush->mins[0] > p[0] || p[0] > brush->maxs[0] ||
|
|
brush->mins[1] > p[1] || p[1] > brush->maxs[1] ||
|
|
brush->mins[2] > p[2] || p[2] > brush->maxs[2])
|
|
continue;
|
|
|
|
for (i = 0; i < brush->numplanes; i++)
|
|
{
|
|
if (DotProduct(p, brush->plane[i]) > brush->plane[i][3])
|
|
break;
|
|
}
|
|
if (i == brush->numplanes)
|
|
contents |= brush->contents;
|
|
}
|
|
|
|
t1 = p[node->axis] - node->dist;
|
|
|
|
// see which side we need to go down
|
|
if (t1 >= 0)
|
|
{
|
|
node = node->child[0];
|
|
}
|
|
else
|
|
{
|
|
node = node->child[1];
|
|
}
|
|
}
|
|
|
|
return contents;
|
|
}
|
|
|
|
#define ensurenewtoken(t) buf = COM_ParseOut(buf, token, sizeof(token)); if (strcmp(token, t)) break;
|
|
|
|
int D3_ParseContents(char *str)
|
|
{
|
|
char *e, *n;
|
|
unsigned int contents = 0;
|
|
while(str)
|
|
{
|
|
e = strchr(str, ',');
|
|
if (e)
|
|
{
|
|
*e = 0;
|
|
n = e+1;
|
|
}
|
|
else
|
|
n = NULL;
|
|
|
|
if (!strcmp(str, "solid") || !strcmp(str, "opaque"))
|
|
contents |= FTECONTENTS_SOLID;
|
|
else if (!strcmp(str, "playerclip"))
|
|
contents |= FTECONTENTS_PLAYERCLIP;
|
|
else if (!strcmp(str, "monsterclip"))
|
|
contents |= FTECONTENTS_PLAYERCLIP;
|
|
else
|
|
Con_Printf("Unknown contents type \"%s\"\n", str);
|
|
str = n;
|
|
}
|
|
return contents;
|
|
}
|
|
typedef struct
|
|
{
|
|
int v[2];
|
|
int fl[2];
|
|
} d3edge_t;
|
|
qboolean D3_LoadMap_CollisionMap(model_t *mod, char *buf)
|
|
{
|
|
int pedges[64];
|
|
cm_surface_t *surf;
|
|
cm_brush_t *brush;
|
|
vec3_t *verts;
|
|
d3edge_t *edges;
|
|
int i, j;
|
|
int filever = 0;
|
|
int numverts, numedges, numpedges;
|
|
model_t *cmod;
|
|
char token[256];
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
if (strcmp(token, "CM"))
|
|
return false;
|
|
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
filever = atof(token);
|
|
if (filever != 1 && filever != 3)
|
|
return false;
|
|
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
/*some number, discard*/
|
|
|
|
while(buf)
|
|
{
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
if (!strcmp(token, "collisionModel"))
|
|
{
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
if (!strcmp(token, "worldMap"))
|
|
cmod = mod;
|
|
else
|
|
cmod = Mod_FindName(token);
|
|
|
|
if (filever == 3)
|
|
{
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
/*don't know*/
|
|
}
|
|
|
|
ClearBounds(cmod->mins, cmod->maxs);
|
|
ensurenewtoken("{");
|
|
ensurenewtoken("vertices");
|
|
ensurenewtoken("{");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
numverts = atoi(token);
|
|
verts = malloc(numverts * sizeof(*verts));
|
|
for (i = 0; i < numverts; i++)
|
|
{
|
|
ensurenewtoken("(");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
verts[i][0] = atof(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
verts[i][1] = atof(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
verts[i][2] = atof(token);
|
|
ensurenewtoken(")");
|
|
}
|
|
ensurenewtoken("}");
|
|
ensurenewtoken("edges");
|
|
ensurenewtoken("{");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
numedges = atoi(token);
|
|
edges = malloc(numedges * sizeof(*edges));
|
|
for (i = 0; i < numedges; i++)
|
|
{
|
|
ensurenewtoken("(");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
edges[i].v[0] = atoi(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
edges[i].v[1] = atoi(token);
|
|
ensurenewtoken(")");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
edges[i].fl[0] = atoi(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
edges[i].fl[1] = atoi(token);
|
|
}
|
|
ensurenewtoken("}");
|
|
ensurenewtoken("nodes");
|
|
ensurenewtoken("{");
|
|
cmod->cnodes = ZG_Malloc(&mod->memgroup, sizeof(cm_node_t));
|
|
for (;;)
|
|
{
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
if (strcmp(token, "("))
|
|
break;
|
|
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
//axis, dist
|
|
ensurenewtoken(")");
|
|
}
|
|
if (strcmp(token, "}"))
|
|
break;
|
|
|
|
ensurenewtoken("polygons");
|
|
if (filever == 1)
|
|
{
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
/*'polygonMemory', which is unusable for us*/
|
|
}
|
|
else
|
|
{
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
/*numPolygons*/
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
/*numPolygonEdges*/
|
|
}
|
|
ensurenewtoken("{");
|
|
for (;;)
|
|
{
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
if (!strcmp(token, "}"))
|
|
break;
|
|
|
|
numpedges = atoi(token);
|
|
surf = ZG_Malloc(&mod->memgroup, sizeof(*surf) + sizeof(vec4_t)*numpedges);
|
|
surf->numedges = numpedges;
|
|
surf->edge = (vec4_t*)(surf+1);
|
|
|
|
ensurenewtoken("(");
|
|
for (j = 0; j < numpedges; j++)
|
|
{
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
pedges[j] = atoi(token);
|
|
}
|
|
ensurenewtoken(")");
|
|
ensurenewtoken("(");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
surf->plane[0] = atof(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
surf->plane[1] = atof(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
surf->plane[2] = atof(token);
|
|
ensurenewtoken(")");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
surf->plane[3] = atof(token);
|
|
|
|
ensurenewtoken("(");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
surf->mins[0] = atof(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
surf->mins[1] = atof(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
surf->mins[2] = atof(token);
|
|
ensurenewtoken(")");
|
|
|
|
ensurenewtoken("(");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
surf->maxs[0] = atof(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
surf->maxs[1] = atof(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
surf->maxs[2] = atof(token);
|
|
ensurenewtoken(")");
|
|
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
#ifndef SERVERONLY
|
|
surf->shader = R_RegisterShader_Vertex(token);
|
|
#endif
|
|
|
|
if (filever == 3)
|
|
{
|
|
ensurenewtoken("(");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
ensurenewtoken(")");
|
|
|
|
ensurenewtoken("(");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
ensurenewtoken(")");
|
|
|
|
ensurenewtoken("(");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
ensurenewtoken(")");
|
|
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
}
|
|
|
|
for (j = 0; j < numpedges; j++)
|
|
{
|
|
float *v1, *v2;
|
|
vec3_t dir;
|
|
if (pedges[j] < 0)
|
|
{
|
|
v2 = verts[edges[-pedges[j]].v[0]];
|
|
v1 = verts[edges[-pedges[j]].v[1]];
|
|
}
|
|
else
|
|
{
|
|
v1 = verts[edges[pedges[j]].v[0]];
|
|
v2 = verts[edges[pedges[j]].v[1]];
|
|
}
|
|
VectorSubtract(v1, v2, dir);
|
|
VectorNormalize(dir);
|
|
CrossProduct(surf->plane, dir, surf->edge[j]);
|
|
surf->edge[j][3] = DotProduct(v1, surf->edge[j]);
|
|
|
|
surf->edge[j][3] += DIST_EPSILON;
|
|
}
|
|
|
|
D3_InsertClipSurface(cmod->cnodes, surf);
|
|
|
|
AddPointToBounds(surf->mins, cmod->mins, cmod->maxs);
|
|
AddPointToBounds(surf->maxs, cmod->mins, cmod->maxs);
|
|
}
|
|
free(verts);
|
|
free(edges);
|
|
|
|
ensurenewtoken("brushes");
|
|
if (filever == 1)
|
|
{
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
/*'brushMemory', which is unusable for us*/
|
|
}
|
|
else
|
|
{
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
/*numBrushes */
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
/*numBrushPlanes*/
|
|
}
|
|
ensurenewtoken("{");
|
|
for (;;)
|
|
{
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
if (!strcmp(token, "}"))
|
|
break;
|
|
j = atoi(token);
|
|
brush = ZG_Malloc(&mod->memgroup, j*sizeof(vec4_t) + sizeof(*brush));
|
|
brush->numplanes = j;
|
|
brush->plane = (vec4_t*)(brush+1);
|
|
ensurenewtoken("{");
|
|
for (i = 0; i < brush->numplanes; i++)
|
|
{
|
|
ensurenewtoken("(");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
brush->plane[i][0] = atof(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
brush->plane[i][1] = atof(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
brush->plane[i][2] = atof(token);
|
|
ensurenewtoken(")");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
brush->plane[i][3] = atof(token);
|
|
}
|
|
ensurenewtoken("}");
|
|
|
|
ensurenewtoken("(");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
brush->mins[0] = atof(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
brush->mins[1] = atof(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
brush->mins[2] = atof(token);
|
|
ensurenewtoken(")");
|
|
|
|
ensurenewtoken("(");
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
brush->maxs[0] = atof(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
brush->maxs[1] = atof(token);
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
brush->maxs[2] = atof(token);
|
|
ensurenewtoken(")");
|
|
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
brush->contents = D3_ParseContents(token);
|
|
|
|
if (filever == 3)
|
|
buf = COM_ParseOut(buf, token, sizeof(token));
|
|
|
|
D3_InsertClipBrush(cmod->cnodes, brush);
|
|
|
|
AddPointToBounds(brush->mins, cmod->mins, cmod->maxs);
|
|
AddPointToBounds(brush->maxs, cmod->mins, cmod->maxs);
|
|
}
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
|
|
|
|
/*load up the .map so we can get some entities (anyone going to bother making a qc mod compatible with this?)*/
|
|
COM_StripExtension(mod->name, token, sizeof(token));
|
|
mod->entities = FS_LoadMallocFile(va("%s.map", token));
|
|
|
|
mod->funcs.FindTouchedLeafs = D3_FindTouchedLeafs;
|
|
mod->funcs.NativeTrace = D3_Trace;
|
|
mod->funcs.PointContents = D3_PointContents;
|
|
mod->funcs.FatPVS = D3_FatPVS;
|
|
mod->funcs.LeafnumForPoint = D3_LeafnumForPoint;
|
|
mod->funcs.StainNode = D3_StainNode;
|
|
mod->funcs.LightPointValues = D3_LightPointValues;
|
|
mod->funcs.EdictInFatPVS = D3_EdictInFatPVS;
|
|
|
|
mod->fromgame = fg_doom3;
|
|
|
|
/*that's the physics sorted*/
|
|
#ifndef SERVERONLY
|
|
if (!isDedicated)
|
|
{
|
|
COM_StripExtension(mod->name, token, sizeof(token));
|
|
buf = FS_LoadMallocFile(va("%s.proc", token));
|
|
Mod_LoadMap_Proc(mod, buf);
|
|
BZ_Free(buf);
|
|
}
|
|
#endif
|
|
return true;
|
|
}
|
|
|
|
#endif
|