/* Copyright (C) 1996-2001 Id Software, Inc. Copyright (C) 2002-2009 John Fitzgibbons and others Copyright (C) 2010-2014 QuakeSpasm developers This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ // models.c -- model loading and caching // models are the only shared resource between a client and server running // on the same machine. #include "quakedef.h" qmodel_t *loadmodel; char loadname[32]; // for hunk tags void Mod_LoadSpriteModel (qmodel_t *mod, void *buffer); void Mod_LoadBrushModel (qmodel_t *mod, void *buffer); void Mod_LoadAliasModel (qmodel_t *mod, void *buffer, int pvtype); void Mod_LoadMD3Model (qmodel_t *mod, void *buffer); qmodel_t *Mod_LoadModel (qmodel_t *mod, qboolean crash); cvar_t external_ents = {"external_ents", "1", CVAR_ARCHIVE}; cvar_t gl_load24bit = {"gl_load24bit", "1", CVAR_ARCHIVE}; cvar_t mod_ignorelmscale = {"mod_ignorelmscale", "0"}; static byte *mod_novis; static int mod_novis_capacity; static byte *mod_decompressed; static int mod_decompressed_capacity; #define MAX_MOD_KNOWN 8192 /*spike -- new value, was 2048 in qs, 512 in vanilla. Needs to be big for big maps with many many inline models. */ qmodel_t mod_known[MAX_MOD_KNOWN]; int mod_numknown; texture_t *r_notexture_mip; //johnfitz -- moved here from r_main.c texture_t *r_notexture_mip2; //johnfitz -- used for non-lightmapped surfs with a missing texture /* =============== Mod_Init =============== */ void Mod_Init (void) { Cvar_RegisterVariable (&gl_subdivide_size); Cvar_RegisterVariable (&external_ents); Cvar_RegisterVariable (&gl_load24bit); Cvar_RegisterVariable (&mod_ignorelmscale); //johnfitz -- create notexture miptex r_notexture_mip = (texture_t *) Hunk_AllocName (sizeof(texture_t), "r_notexture_mip"); strcpy (r_notexture_mip->name, "notexture"); r_notexture_mip->height = r_notexture_mip->width = 32; r_notexture_mip2 = (texture_t *) Hunk_AllocName (sizeof(texture_t), "r_notexture_mip2"); strcpy (r_notexture_mip2->name, "notexture2"); r_notexture_mip2->height = r_notexture_mip2->width = 32; //johnfitz } /* =============== Mod_Extradata Caches the data if needed =============== */ void *Mod_Extradata (qmodel_t *mod) { void *r; r = Cache_Check (&mod->cache); if (r) return r; Mod_LoadModel (mod, true); if (!mod->cache.data) Sys_Error ("Mod_Extradata: caching failed"); return mod->cache.data; } /* =============== Mod_PointInLeaf =============== */ mleaf_t *Mod_PointInLeaf (vec3_t p, qmodel_t *model) { mnode_t *node; float d; mplane_t *plane; if (!model || !model->nodes) Sys_Error ("Mod_PointInLeaf: bad model"); node = model->nodes; while (1) { if (node->contents < 0) return (mleaf_t *)node; plane = node->plane; d = DotProduct (p,plane->normal) - plane->dist; if (d > 0) node = node->children[0]; else node = node->children[1]; } return NULL; // never reached } /* =================== Mod_DecompressVis =================== */ byte *Mod_DecompressVis (byte *in, qmodel_t *model) { int c; byte *out; byte *outend; int row; row = (model->numleafs+7)>>3; if (mod_decompressed == NULL || row > mod_decompressed_capacity) { mod_decompressed_capacity = row; mod_decompressed = (byte *) realloc (mod_decompressed, mod_decompressed_capacity); if (!mod_decompressed) Sys_Error ("Mod_DecompressVis: realloc() failed on %d bytes", mod_decompressed_capacity); } out = mod_decompressed; outend = mod_decompressed + row; if (!in) { // no vis info, so make all visible while (row) { *out++ = 0xff; row--; } return mod_decompressed; } do { if (*in) { *out++ = *in++; continue; } c = in[1]; in += 2; if (c > row - (out - mod_decompressed)) c = row - (out - mod_decompressed); //now that we're dynamically allocating pvs buffers, we have to be more careful to avoid heap overflows with buggy maps. while (c) { if (out == outend) { if(!model->viswarn) { model->viswarn = true; Con_Warning("Mod_DecompressVis: output overrun on model \"%s\"\n", model->name); } return mod_decompressed; } *out++ = 0; c--; } } while (out - mod_decompressed < row); return mod_decompressed; } byte *Mod_LeafPVS (mleaf_t *leaf, qmodel_t *model) { if (leaf == model->leafs) return Mod_NoVisPVS (model); return Mod_DecompressVis (leaf->compressed_vis, model); } byte *Mod_NoVisPVS (qmodel_t *model) { int pvsbytes; pvsbytes = (model->numleafs+7)>>3; if (mod_novis == NULL || pvsbytes > mod_novis_capacity) { mod_novis_capacity = pvsbytes; mod_novis = (byte *) realloc (mod_novis, mod_novis_capacity); if (!mod_novis) Sys_Error ("Mod_NoVisPVS: realloc() failed on %d bytes", mod_novis_capacity); memset(mod_novis, 0xff, mod_novis_capacity); } return mod_novis; } /* =================== Mod_ClearAll =================== */ void Mod_ClearAll (void) { int i; qmodel_t *mod; for (i=0 , mod=mod_known ; itype != mod_alias) { mod->needload = true; TexMgr_FreeTexturesForOwner (mod); //johnfitz PScript_ClearSurfaceParticles(mod); } } void Mod_ResetAll (void) { int i; qmodel_t *mod; //ericw -- free alias model VBOs GLMesh_DeleteVertexBuffers (); for (i=0 , mod=mod_known ; ineedload) //otherwise Mod_ClearAll() did it already { TexMgr_FreeTexturesForOwner (mod); PScript_ClearSurfaceParticles(mod); } memset(mod, 0, sizeof(qmodel_t)); } mod_numknown = 0; } /* ================== Mod_FindName ================== */ qmodel_t *Mod_FindName (const char *name) { int i; qmodel_t *mod; if (!name[0]) Sys_Error ("Mod_FindName: NULL name"); //johnfitz -- was "Mod_ForName" // // search the currently loaded models // for (i=0 , mod=mod_known ; iname, name) ) break; if (i == mod_numknown) { if (mod_numknown == MAX_MOD_KNOWN) Sys_Error ("mod_numknown == MAX_MOD_KNOWN"); q_strlcpy (mod->name, name, MAX_QPATH); mod->needload = true; mod_numknown++; } return mod; } /* ================== Mod_TouchModel ================== */ void Mod_TouchModel (const char *name) { qmodel_t *mod; mod = Mod_FindName (name); if (!mod->needload) { if (mod->type == mod_alias) Cache_Check (&mod->cache); } } /* ================== Mod_LoadModel Loads a model into the cache ================== */ qmodel_t *Mod_LoadModel (qmodel_t *mod, qboolean crash) { byte *buf; byte stackbuf[1024]; // avoid dirtying the cache heap int mod_type; if (!mod->needload) { if (mod->type == mod_alias) { if (Cache_Check (&mod->cache)) return mod; } else return mod; // not cached at all } // // load the file // if (*mod->name == '*') buf = NULL; else buf = COM_LoadStackFile (mod->name, stackbuf, sizeof(stackbuf), & mod->path_id); if (!buf) { if (crash) Host_Error ("Mod_LoadModel: %s not found", mod->name); //johnfitz -- was "Mod_NumForName" else if (mod->name[0] == '*' && (mod->name[1] < '0' || mod->name[1] > '9')) ; //*foo doesn't warn, unless its *NUM. inline models. gah. else Con_Warning("Mod_LoadModel: %s not found\n", mod->name); //avoid crashes mod->needload = false; mod->type = mod_ext_invalid; mod->flags = 0; Mod_SetExtraFlags (mod); //johnfitz. spike -- moved this to be generic, because most of the flags are anyway. return mod; } // // allocate a new model // COM_FileBase (mod->name, loadname, sizeof(loadname)); loadmodel = mod; // // fill it in // // call the apropriate loader mod->needload = false; mod_type = (buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24)); switch (mod_type) { case IDPOLYHEADER: Mod_LoadAliasModel (mod, buf, PV_QUAKE1); break; case (('M'<<0)+('D'<<8)+('1'<<16)+('6'<<24)): //QF 16bit variation Mod_LoadAliasModel (mod, buf, PV_QUAKEFORGE); break; case IDSPRITEHEADER: Mod_LoadSpriteModel (mod, buf); break; //Spike -- md3 support case (('I'<<0)+('D'<<8)+('P'<<16)+('3'<<24)): //md3 Mod_LoadMD3Model(mod, buf); break; //Spike -- added checks for a few other model types. //this is useful because of the number of models with renamed extensions. //that and its hard to test the extension stuff when this was crashing. case (('R'<<0)+('A'<<8)+('P'<<16)+('O'<<24)): //h2mp Con_Warning("%s is a hexen2-missionpack model (unsupported)\n", mod->name); mod->type = mod_ext_invalid; break; case (('I'<<0)+('D'<<8)+('P'<<16)+('2'<<24)): //md2 Con_Warning("%s is an md2 (unsupported)\n", mod->name); mod->type = mod_ext_invalid; break; case (('I'<<0)+('N'<<8)+('T'<<16)+('E'<<24)): //iqm Con_Warning("%s is an iqm (unsupported)\n", mod->name); mod->type = mod_ext_invalid; break; case (('D'<<0)+('A'<<8)+('R'<<16)+('K'<<24)): //dpm Con_Warning("%s is an dpm (unsupported)\n", mod->name); mod->type = mod_ext_invalid; break; case (('A'<<0)+('C'<<8)+('T'<<16)+('R'<<24)): //psk Con_Warning("%s is a psk (unsupported)\n", mod->name); mod->type = mod_ext_invalid; break; case (('I'<<0)+('B'<<8)+('S'<<16)+('P'<<24)): //q2/q3bsp Con_Warning("%s is a q2/q3bsp (unsupported)\n", mod->name); mod->type = mod_ext_invalid; break; default: Mod_LoadBrushModel (mod, buf); break; } if (crash && mod->type == mod_ext_invalid) { //any of those formats for a world map will be screwed up. Sys_Error ("Mod_LoadModel: couldn't load %s", mod->name); //johnfitz -- was "Mod_NumForName" return NULL; } Mod_SetExtraFlags (mod); //johnfitz. spike -- moved this to be generic, because most of the flags are anyway. return mod; } /* ================== Mod_ForName Loads in a model for the given name ================== */ qmodel_t *Mod_ForName (const char *name, qboolean crash) { qmodel_t *mod; mod = Mod_FindName (name); return Mod_LoadModel (mod, crash); } /* =============================================================================== BRUSHMODEL LOADING =============================================================================== */ static byte *mod_base; typedef struct { char lumpname[24]; // up to 23 chars, zero-padded int fileofs; // from file start int filelen; } bspx_lump_t; typedef struct { char id[4]; // 'BSPX' int numlumps; bspx_lump_t lumps[1]; } bspx_header_t; static char *bspxbase; static bspx_header_t *bspxheader; //supported lumps: //RGBLIGHTING (.lit) //LMSHIFT (.lit2) //LMOFFSET (LMSHIFT helper) //LMSTYLE (LMSHIFT helper) //unsupported lumps ('documented' elsewhere): //BRUSHLIST (because hulls suck) //LIGHTINGDIR (.lux) //LIGHTING_E5BGR9 (hdr lighting) //VERTEXNORMALS (smooth shading with dlights/rtlights) static void *Q1BSPX_FindLump(char *lumpname, int *lumpsize) { int i; *lumpsize = 0; if (!bspxheader) return NULL; for (i = 0; i < bspxheader->numlumps; i++) { if (!strncmp(bspxheader->lumps[i].lumpname, lumpname, 24)) { *lumpsize = bspxheader->lumps[i].filelen; return bspxbase + bspxheader->lumps[i].fileofs; } } return NULL; } static void Q1BSPX_Setup(qmodel_t *mod, char *filebase, unsigned int filelen, lump_t *lumps, int numlumps) { int i; int offs = 0; bspx_header_t *h; qboolean misaligned = false; bspxbase = filebase; bspxheader = NULL; for (i = 0; i < numlumps; i++, lumps++) { if ((lumps->fileofs & 3) && i != LUMP_ENTITIES) misaligned = true; if (offs < lumps->fileofs + lumps->filelen) offs = lumps->fileofs + lumps->filelen; } if (misaligned) Con_DWarning("%s contains misaligned lumps\n", mod->name); offs = (offs + 3) & ~3; if (offs + sizeof(*bspxheader) > filelen) return; /*no space for it*/ h = (bspx_header_t*)(filebase + offs); i = LittleLong(h->numlumps); /*verify the header*/ if (strncmp(h->id, "BSPX", 4) || i < 0 || offs + sizeof(*h) + sizeof(h->lumps[0])*(i-1) > filelen) return; h->numlumps = i; while(i-->0) { h->lumps[i].fileofs = LittleLong(h->lumps[i].fileofs); h->lumps[i].filelen = LittleLong(h->lumps[i].filelen); if (h->lumps[i].fileofs & 3) Con_DWarning("%s contains misaligned bspx limp %s\n", mod->name, h->lumps[i].lumpname); if ((unsigned int)h->lumps[i].fileofs + (unsigned int)h->lumps[i].filelen > filelen) return; } bspxheader = h; } /* ================= Mod_CheckFullbrights -- johnfitz ================= */ qboolean Mod_CheckFullbrights (byte *pixels, int count) { int i; for (i = 0; i < count; i++) if (*pixels++ > 223) return true; return false; } /* ================= Mod_LoadTextures ================= */ void Mod_LoadTextures (lump_t *l) { int i, j, pixels, num, maxanim, altmax; miptex_t *mt; texture_t *tx, *tx2; texture_t *anims[10]; texture_t *altanims[10]; dmiptexlump_t *m; //johnfitz -- more variables char texturename[64]; int nummiptex; src_offset_t offset; int mark, fwidth, fheight; char filename[MAX_OSPATH], filename2[MAX_OSPATH], mapname[MAX_OSPATH]; byte *data; extern byte *hunk_base; //johnfitz qboolean malloced; //spike //johnfitz -- don't return early if no textures; still need to create dummy texture if (!l->filelen) { Con_Printf ("Mod_LoadTextures: no textures in bsp file\n"); nummiptex = 0; m = NULL; // avoid bogus compiler warning } else { m = (dmiptexlump_t *)(mod_base + l->fileofs); m->nummiptex = LittleLong (m->nummiptex); nummiptex = m->nummiptex; } //johnfitz loadmodel->numtextures = nummiptex + 2; //johnfitz -- need 2 dummy texture chains for missing textures loadmodel->textures = (texture_t **) Hunk_AllocName (loadmodel->numtextures * sizeof(*loadmodel->textures) , loadname); for (i=0 ; idataofs[i] = LittleLong(m->dataofs[i]); if (m->dataofs[i] == -1) continue; mt = (miptex_t *)((byte *)m + m->dataofs[i]); mt->width = LittleLong (mt->width); mt->height = LittleLong (mt->height); // for (j=0 ; joffsets[j] = LittleLong (mt->offsets[j]); if ( (mt->width & 15) || (mt->height & 15) ) Sys_Error ("Texture %s is not 16 aligned", mt->name); // spike -- quakespasm doesn't use the submips anyway pixels = mt->width*mt->height; //pixels = mt->width*mt->height/64*85; tx = (texture_t *) Hunk_AllocName (sizeof(texture_t) +pixels, loadname ); loadmodel->textures[i] = tx; memcpy (tx->name, mt->name, sizeof(tx->name)); tx->width = mt->width; tx->height = mt->height; // for (j=0 ; joffsets[j] = mt->offsets[j] + sizeof(texture_t) - sizeof(miptex_t); // the pixels immediately follow the structures if (!LittleLong (mt->offsets[0])) { // spike -- support tyrlight-ericw's -notex argument to avoid gpl violations from embedded textures size_t x,y; for(y=0;ywidth;y++) for(x=0;xwidth;x++) ((byte*)(tx+1))[y*tx->width+x] = (((x>>2)^(y>>2))&1)?6:2; } else { // ericw -- check for pixels extending past the end of the lump. // appears in the wild; e.g. jam2_tronyn.bsp (func_mapjam2), // kellbase1.bsp (quoth), and can lead to a segfault if we read past // the end of the .bsp file buffer if (((byte*)(mt+1) + pixels) > (mod_base + l->fileofs + l->filelen)) { Con_DPrintf("Texture %s extends past end of lump\n", mt->name); pixels = q_max(0, (mod_base + l->fileofs + l->filelen) - (byte*)(mt+1)); } //spike -- this is actually a pointless waste of memory. //its not like this data will actually be used beyond this function in any gl renderer. //this makes copying it pointless //which in turn makes the pointer-to-array-of-pointers-to-texture a bit silly. memcpy ( tx+1, mt+1, pixels); } tx->update_warp = false; //johnfitz tx->warpimage = NULL; //johnfitz tx->fullbright = NULL; //johnfitz //johnfitz -- lots of changes if (!isDedicated) //no texture uploading for dedicated server { if (!q_strncasecmp(tx->name,"sky",3)) //sky texture //also note -- was Q_strncmp, changed to match qbsp Sky_LoadTexture (tx); else if (tx->name[0] == '*') //warping texture { //external textures -- first look in "textures/mapname/" then look in "textures/" mark = Hunk_LowMark(); COM_StripExtension (loadmodel->name + 5, mapname, sizeof(mapname)); q_snprintf (filename, sizeof(filename), "textures/%s/#%s", mapname, tx->name+1); //this also replaces the '*' with a '#' data = !gl_load24bit.value?NULL:Image_LoadImage (filename, &fwidth, &fheight, &malloced); if (!data) { q_snprintf (filename, sizeof(filename), "textures/#%s", tx->name+1); data = !gl_load24bit.value?NULL:Image_LoadImage (filename, &fwidth, &fheight, &malloced); } //now load whatever we found if (data) //load external image { q_strlcpy (texturename, filename, sizeof(texturename)); tx->gltexture = TexMgr_LoadImage (loadmodel, texturename, fwidth, fheight, SRC_RGBA, data, filename, 0, TEXPREF_NONE); } else //use the texture from the bsp file { q_snprintf (texturename, sizeof(texturename), "%s:%s", loadmodel->name, tx->name); offset = (src_offset_t)(mt+1) - (src_offset_t)mod_base; tx->gltexture = TexMgr_LoadImage (loadmodel, texturename, tx->width, tx->height, SRC_INDEXED, (byte *)(tx+1), loadmodel->name, offset, TEXPREF_NONE); } //now create the warpimage, using dummy data from the hunk to create the initial image Hunk_Alloc (gl_warpimagesize*gl_warpimagesize*4); //make sure hunk is big enough so we don't reach an illegal address Hunk_FreeToLowMark (mark); q_snprintf (texturename, sizeof(texturename), "%s_warp", texturename); tx->warpimage = TexMgr_LoadImage (loadmodel, texturename, gl_warpimagesize, gl_warpimagesize, SRC_RGBA, hunk_base, "", (src_offset_t)hunk_base, TEXPREF_NOPICMIP | TEXPREF_WARPIMAGE); tx->update_warp = true; if (malloced) free(data); } else //regular texture { // ericw -- fence textures int extraflags; extraflags = 0; if (tx->name[0] == '{') extraflags |= TEXPREF_ALPHA; // ericw //external textures -- first look in "textures/mapname/" then look in "textures/" mark = Hunk_LowMark (); COM_StripExtension (loadmodel->name + 5, mapname, sizeof(mapname)); q_snprintf (filename, sizeof(filename), "textures/%s/%s", mapname, tx->name); data = !gl_load24bit.value?NULL:Image_LoadImage (filename, &fwidth, &fheight, &malloced); if (!data) { q_snprintf (filename, sizeof(filename), "textures/%s", tx->name); data = !gl_load24bit.value?NULL:Image_LoadImage (filename, &fwidth, &fheight, &malloced); } //now load whatever we found if (data) //load external image { tx->gltexture = TexMgr_LoadImage (loadmodel, filename, fwidth, fheight, SRC_RGBA, data, filename, 0, TEXPREF_MIPMAP | extraflags ); //now try to load glow/luma image from the same place if (malloced) free(data); Hunk_FreeToLowMark (mark); q_snprintf (filename2, sizeof(filename2), "%s_glow", filename); data = !gl_load24bit.value?NULL:Image_LoadImage (filename2, &fwidth, &fheight, &malloced); if (!data) { q_snprintf (filename2, sizeof(filename2), "%s_luma", filename); data = !gl_load24bit.value?NULL:Image_LoadImage (filename2, &fwidth, &fheight, &malloced); } if (data) tx->fullbright = TexMgr_LoadImage (loadmodel, filename2, fwidth, fheight, SRC_RGBA, data, filename, 0, TEXPREF_MIPMAP | extraflags ); } else //use the texture from the bsp file { q_snprintf (texturename, sizeof(texturename), "%s:%s", loadmodel->name, tx->name); offset = (src_offset_t)(mt+1) - (src_offset_t)mod_base; if (Mod_CheckFullbrights ((byte *)(tx+1), pixels)) { tx->gltexture = TexMgr_LoadImage (loadmodel, texturename, tx->width, tx->height, SRC_INDEXED, (byte *)(tx+1), loadmodel->name, offset, TEXPREF_MIPMAP | TEXPREF_NOBRIGHT | extraflags); q_snprintf (texturename, sizeof(texturename), "%s:%s_glow", loadmodel->name, tx->name); tx->fullbright = TexMgr_LoadImage (loadmodel, texturename, tx->width, tx->height, SRC_INDEXED, (byte *)(tx+1), loadmodel->name, offset, TEXPREF_MIPMAP | TEXPREF_FULLBRIGHT | extraflags); } else { tx->gltexture = TexMgr_LoadImage (loadmodel, texturename, tx->width, tx->height, SRC_INDEXED, (byte *)(tx+1), loadmodel->name, offset, TEXPREF_MIPMAP | extraflags); } } if (malloced) free(data); Hunk_FreeToLowMark (mark); } } //johnfitz } //johnfitz -- last 2 slots in array should be filled with dummy textures loadmodel->textures[loadmodel->numtextures-2] = r_notexture_mip; //for lightmapped surfs loadmodel->textures[loadmodel->numtextures-1] = r_notexture_mip2; //for SURF_DRAWTILED surfs // // sequence the animations // for (i=0 ; itextures[i]; if (!tx || tx->name[0] != '+') continue; if (tx->anim_next) continue; // allready sequenced // find the number of frames in the animation memset (anims, 0, sizeof(anims)); memset (altanims, 0, sizeof(altanims)); maxanim = tx->name[1]; altmax = 0; if (maxanim >= 'a' && maxanim <= 'z') maxanim -= 'a' - 'A'; if (maxanim >= '0' && maxanim <= '9') { maxanim -= '0'; altmax = 0; anims[maxanim] = tx; maxanim++; } else if (maxanim >= 'A' && maxanim <= 'J') { altmax = maxanim - 'A'; maxanim = 0; altanims[altmax] = tx; altmax++; } else Sys_Error ("Bad animating texture %s", tx->name); for (j=i+1 ; jtextures[j]; if (!tx2 || tx2->name[0] != '+') continue; if (strcmp (tx2->name+2, tx->name+2)) continue; num = tx2->name[1]; if (num >= 'a' && num <= 'z') num -= 'a' - 'A'; if (num >= '0' && num <= '9') { num -= '0'; anims[num] = tx2; if (num+1 > maxanim) maxanim = num + 1; } else if (num >= 'A' && num <= 'J') { num = num - 'A'; altanims[num] = tx2; if (num+1 > altmax) altmax = num+1; } else Sys_Error ("Bad animating texture %s", tx->name); } #define ANIM_CYCLE 2 // link them all together for (j=0 ; jname); tx2->anim_total = maxanim * ANIM_CYCLE; tx2->anim_min = j * ANIM_CYCLE; tx2->anim_max = (j+1) * ANIM_CYCLE; tx2->anim_next = anims[ (j+1)%maxanim ]; if (altmax) tx2->alternate_anims = altanims[0]; } for (j=0 ; jname); tx2->anim_total = altmax * ANIM_CYCLE; tx2->anim_min = j * ANIM_CYCLE; tx2->anim_max = (j+1) * ANIM_CYCLE; tx2->anim_next = altanims[ (j+1)%altmax ]; if (maxanim) tx2->alternate_anims = anims[0]; } } } /* ================= Mod_LoadLighting -- johnfitz -- replaced with lit support code via lordhavoc ================= */ void Mod_LoadLighting (lump_t *l) { int i, mark; byte *in, *out, *data; byte d; char litfilename[MAX_OSPATH]; unsigned int path_id; int bspxsize; loadmodel->lightdata = NULL; // LordHavoc: check for a .lit file q_strlcpy(litfilename, loadmodel->name, sizeof(litfilename)); COM_StripExtension(litfilename, litfilename, sizeof(litfilename)); q_strlcat(litfilename, ".lit", sizeof(litfilename)); mark = Hunk_LowMark(); data = (byte*) COM_LoadHunkFile (litfilename, &path_id); if (data) { // use lit file only from the same gamedir as the map // itself or from a searchpath with higher priority. if (path_id < loadmodel->path_id) { Hunk_FreeToLowMark(mark); Con_DPrintf("ignored %s from a gamedir with lower priority\n", litfilename); } else if (data[0] == 'Q' && data[1] == 'L' && data[2] == 'I' && data[3] == 'T') { i = LittleLong(((int *)data)[1]); if (i == 1) { if (8+l->filelen*3 == com_filesize) { Con_DPrintf2("%s loaded\n", litfilename); loadmodel->lightdata = data + 8; return; } Hunk_FreeToLowMark(mark); Con_Printf("Outdated .lit file (%s should be %u bytes, not %u)\n", litfilename, 8+l->filelen*3, com_filesize); } else { Hunk_FreeToLowMark(mark); Con_Printf("Unknown .lit file version (%d)\n", i); } } else { Hunk_FreeToLowMark(mark); Con_Printf("Corrupt .lit file (old version?), ignoring\n"); } } // LordHavoc: no .lit found, expand the white lighting data to color if (!l->filelen) return; in = Q1BSPX_FindLump("RGBLIGHTING", &bspxsize); if (loadmodel->lightdata && bspxsize == l->filelen*3) { loadmodel->lightdata = out = (byte *) Hunk_AllocName ( l->filelen*3, litfilename); memcpy(out, in, l->filelen*3); Con_DPrintf("bspx lighting loaded\n"); } else { in = Q1BSPX_FindLump("LIGHTING_E5BGR9", &bspxsize); if (in && bspxsize == l->filelen*4) { //we don't really support hdr lighting, but we downgrade it to ldr whenever there's no rgb data. //FIXME: don't convert this stuff here. upload the data to the gpu with GL_EXT_shared_exponent (core in gl3) loadmodel->lightdata = (byte *) Hunk_AllocName ( l->filelen*3, litfilename); out = loadmodel->lightdata; Con_DPrintf("bspx hdr->ldr lighting loaded\n"); for (i = 0;i < l->filelen;i++, in+=4) { static const float rgb9e5tab[32] = { //multipliers for the 9-bit mantissa, according to the biased mantissa //aka: pow(2, biasedexponent - bias-bits) where bias is 15 and bits is 9 1.0/(1<<24), 1.0/(1<<23), 1.0/(1<<22), 1.0/(1<<21), 1.0/(1<<20), 1.0/(1<<19), 1.0/(1<<18), 1.0/(1<<17), 1.0/(1<<16), 1.0/(1<<15), 1.0/(1<<14), 1.0/(1<<13), 1.0/(1<<12), 1.0/(1<<11), 1.0/(1<<10), 1.0/(1<<9), 1.0/(1<<8), 1.0/(1<<7), 1.0/(1<<6), 1.0/(1<<5), 1.0/(1<<4), 1.0/(1<<3), 1.0/(1<<2), 1.0/(1<<1), 1.0, 1.0*(1<<1), 1.0*(1<<2), 1.0*(1<<3), 1.0*(1<<4), 1.0*(1<<5), 1.0*(1<<6), 1.0*(1<<7), }; unsigned int e5bgr9 = *(unsigned int*)in; float e = rgb9e5tab[e5bgr9>>27] * (1<<7); //we're converting to a scale that holds overbrights, so 1->128, its 2->255ish *out++ = q_min(255, e*((e5bgr9>> 0)&0x1ff)); //red *out++ = q_min(255, e*((e5bgr9>> 9)&0x1ff)); //green *out++ = q_min(255, e*((e5bgr9>>18)&0x1ff)); //blue } } else { loadmodel->lightdata = (byte *) Hunk_AllocName ( l->filelen*3, litfilename); in = loadmodel->lightdata + l->filelen*2; // place the file at the end, so it will not be overwritten until the very last write out = loadmodel->lightdata; memcpy (in, mod_base + l->fileofs, l->filelen); for (i = 0;i < l->filelen;i++) { d = *in++; *out++ = d; *out++ = d; *out++ = d; } } } } /* ================= Mod_LoadVisibility ================= */ void Mod_LoadVisibility (lump_t *l) { loadmodel->viswarn = false; if (!l->filelen) { loadmodel->visdata = NULL; return; } loadmodel->visdata = (byte *) Hunk_AllocName ( l->filelen, loadname); memcpy (loadmodel->visdata, mod_base + l->fileofs, l->filelen); } /* ================= Mod_LoadEntities ================= */ void Mod_LoadEntities (lump_t *l) { char entfilename[MAX_QPATH]; char *ents; int mark; unsigned int path_id; if (! external_ents.value) goto _load_embedded; q_strlcpy(entfilename, loadmodel->name, sizeof(entfilename)); COM_StripExtension(entfilename, entfilename, sizeof(entfilename)); q_strlcat(entfilename, ".ent", sizeof(entfilename)); Con_DPrintf2("trying to load %s\n", entfilename); mark = Hunk_LowMark(); ents = (char *) COM_LoadHunkFile (entfilename, &path_id); if (ents) { // use ent file only from the same gamedir as the map // itself or from a searchpath with higher priority. if (path_id < loadmodel->path_id) { Hunk_FreeToLowMark(mark); Con_DPrintf("ignored %s from a gamedir with lower priority\n", entfilename); } else { loadmodel->entities = ents; Con_DPrintf("Loaded external entity file %s\n", entfilename); return; } } _load_embedded: if (!l->filelen) { loadmodel->entities = NULL; return; } loadmodel->entities = (char *) Hunk_AllocName ( l->filelen, loadname); memcpy (loadmodel->entities, mod_base + l->fileofs, l->filelen); } /* ================= Mod_ParseWorldspawnKey ================= (Blame Spike) This just quickly scans the worldspawn entity for a single key. Returning both _prefixed and non prefixed keys. (wantkey argument should not have a _prefix.) */ const char *Mod_ParseWorldspawnKey(qmodel_t *mod, const char *wantkey, char *buffer, size_t sizeofbuffer) { char foundkey[128]; const char *data = COM_Parse(mod->entities); if (data && com_token[0] == '{') { while (1) { data = COM_Parse(data); if (!data) break; // error if (com_token[0] == '}') break; // end of worldspawn if (com_token[0] == '_') strcpy(foundkey, com_token + 1); else strcpy(foundkey, com_token); data = COM_Parse(data); if (!data) break; // error if (!strcmp(wantkey, foundkey)) { q_strlcpy(buffer, com_token, sizeofbuffer); return buffer; } } } return NULL; } /* ================= Mod_LoadVertexes ================= */ void Mod_LoadVertexes (lump_t *l) { dvertex_t *in; mvertex_t *out; int i, count; in = (dvertex_t *)(mod_base + l->fileofs); if (l->filelen % sizeof(*in)) Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*in); out = (mvertex_t *) Hunk_AllocName ( count*sizeof(*out), loadname); loadmodel->vertexes = out; loadmodel->numvertexes = count; for (i=0 ; iposition[0] = LittleFloat (in->point[0]); out->position[1] = LittleFloat (in->point[1]); out->position[2] = LittleFloat (in->point[2]); } } /* ================= Mod_LoadEdges ================= */ void Mod_LoadEdges (lump_t *l, int bsp2) { medge_t *out; int i, count; if (bsp2) { dledge_t *in = (dledge_t *)(mod_base + l->fileofs); if (l->filelen % sizeof(*in)) Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*in); out = (medge_t *) Hunk_AllocName ( (count + 1) * sizeof(*out), loadname); loadmodel->edges = out; loadmodel->numedges = count; for (i=0 ; iv[0] = LittleLong(in->v[0]); out->v[1] = LittleLong(in->v[1]); } } else { dsedge_t *in = (dsedge_t *)(mod_base + l->fileofs); if (l->filelen % sizeof(*in)) Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*in); out = (medge_t *) Hunk_AllocName ( (count + 1) * sizeof(*out), loadname); loadmodel->edges = out; loadmodel->numedges = count; for (i=0 ; iv[0] = (unsigned short)LittleShort(in->v[0]); out->v[1] = (unsigned short)LittleShort(in->v[1]); } } } /* ================= Mod_LoadTexinfo ================= */ void Mod_LoadTexinfo (lump_t *l) { texinfo_t *in; mtexinfo_t *out; int i, j, count, miptex; float len1, len2; int missing = 0; //johnfitz in = (texinfo_t *)(mod_base + l->fileofs); if (l->filelen % sizeof(*in)) Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*in); out = (mtexinfo_t *) Hunk_AllocName ( count*sizeof(*out), loadname); loadmodel->texinfo = out; loadmodel->numtexinfo = count; for (i=0 ; ivecs[0][j] = LittleFloat (in->vecs[0][j]); out->vecs[1][j] = LittleFloat (in->vecs[1][j]); } len1 = VectorLength (out->vecs[0]); len2 = VectorLength (out->vecs[1]); len1 = (len1 + len2)/2; if (len1 < 0.32) out->mipadjust = 4; else if (len1 < 0.49) out->mipadjust = 3; else if (len1 < 0.99) out->mipadjust = 2; else out->mipadjust = 1; #if 0 if (len1 + len2 < 0.001) out->mipadjust = 1; // don't crash else out->mipadjust = 1 / floor((len1+len2)/2 + 0.1); #endif miptex = LittleLong (in->miptex); out->flags = LittleLong (in->flags); //johnfitz -- rewrote this section if (miptex >= loadmodel->numtextures-1 || !loadmodel->textures[miptex]) { if (out->flags & TEX_SPECIAL) out->texture = loadmodel->textures[loadmodel->numtextures-1]; else out->texture = loadmodel->textures[loadmodel->numtextures-2]; out->flags |= TEX_MISSING; missing++; } else { out->texture = loadmodel->textures[miptex]; } //johnfitz } //johnfitz: report missing textures if (missing && loadmodel->numtextures > 1) Con_Printf ("Mod_LoadTexinfo: %d texture(s) missing from BSP file\n", missing); //johnfitz } /* ================ CalcSurfaceExtents Fills in s->texturemins[] and s->extents[] ================ */ void CalcSurfaceExtents (msurface_t *s) { float mins[2], maxs[2], val; int i,j, e; mvertex_t *v; mtexinfo_t *tex; int bmins[2], bmaxs[2]; int maxextent, lmscale; mins[0] = mins[1] = FLT_MAX; maxs[0] = maxs[1] = -FLT_MAX; tex = s->texinfo; for (i=0 ; inumedges ; i++) { e = loadmodel->surfedges[s->firstedge+i]; if (e >= 0) v = &loadmodel->vertexes[loadmodel->edges[e].v[0]]; else v = &loadmodel->vertexes[loadmodel->edges[-e].v[1]]; for (j=0 ; j<2 ; j++) { /* The following calculation is sensitive to floating-point * precision. It needs to produce the same result that the * light compiler does, because R_BuildLightMap uses surf-> * extents to know the width/height of a surface's lightmap, * and incorrect rounding here manifests itself as patches * of "corrupted" looking lightmaps. * Most light compilers are win32 executables, so they use * x87 floating point. This means the multiplies and adds * are done at 80-bit precision, and the result is rounded * down to 32-bits and stored in val. * Adding the casts to double seems to be good enough to fix * lighting glitches when Quakespasm is compiled as x86_64 * and using SSE2 floating-point. A potential trouble spot * is the hallway at the beginning of mfxsp17. -- ericw */ val = ((double)v->position[0] * (double)tex->vecs[j][0]) + ((double)v->position[1] * (double)tex->vecs[j][1]) + ((double)v->position[2] * (double)tex->vecs[j][2]) + (double)tex->vecs[j][3]; if (val < mins[j]) mins[j] = val; if (val > maxs[j]) maxs[j] = val; } } lmscale = 1<lmshift; maxextent = q_max(LMBLOCK_WIDTH,LMBLOCK_HEIGHT)*lmscale; for (i=0 ; i<2 ; i++) { bmins[i] = floor(mins[i]/lmscale); bmaxs[i] = ceil(maxs[i]/lmscale); s->texturemins[i] = bmins[i] * lmscale; s->extents[i] = (bmaxs[i] - bmins[i]) * lmscale; if ( !(tex->flags & TEX_SPECIAL) && s->extents[i] > maxextent) //johnfitz -- was 512 in glquake, 256 in winquake { s->extents[i] = 1; // Sys_Error ("Bad surface extents"); } } } /* ================ Mod_PolyForUnlitSurface -- johnfitz -- creates polys for unlightmapped surfaces (sky and water) TODO: merge this into BuildSurfaceDisplayList? ================ */ void Mod_PolyForUnlitSurface (msurface_t *fa) { vec3_t verts[64]; int numverts, i, lindex; float *vec; glpoly_t *poly; float texscale; if (fa->flags & (SURF_DRAWTURB | SURF_DRAWSKY)) texscale = (1.0/128.0); //warp animation repeats every 128 else texscale = (1.0/32.0); //to match r_notexture_mip // convert edges back to a normal polygon numverts = 0; for (i=0 ; inumedges ; i++) { lindex = loadmodel->surfedges[fa->firstedge + i]; if (lindex > 0) vec = loadmodel->vertexes[loadmodel->edges[lindex].v[0]].position; else vec = loadmodel->vertexes[loadmodel->edges[-lindex].v[1]].position; VectorCopy (vec, verts[numverts]); numverts++; } //create the poly poly = (glpoly_t *) Hunk_Alloc (sizeof(glpoly_t) + (numverts-4) * VERTEXSIZE*sizeof(float)); poly->next = NULL; fa->polys = poly; poly->numverts = numverts; for (i=0, vec=(float *)verts; iverts[i]); poly->verts[i][3] = DotProduct(vec, fa->texinfo->vecs[0]) * texscale; poly->verts[i][4] = DotProduct(vec, fa->texinfo->vecs[1]) * texscale; } } /* ================= Mod_CalcSurfaceBounds -- johnfitz -- calculate bounding box for per-surface frustum culling ================= */ void Mod_CalcSurfaceBounds (msurface_t *s) { int i, e; mvertex_t *v; s->mins[0] = s->mins[1] = s->mins[2] = FLT_MAX; s->maxs[0] = s->maxs[1] = s->maxs[2] = -FLT_MAX; for (i=0 ; inumedges ; i++) { e = loadmodel->surfedges[s->firstedge+i]; if (e >= 0) v = &loadmodel->vertexes[loadmodel->edges[e].v[0]]; else v = &loadmodel->vertexes[loadmodel->edges[-e].v[1]]; if (s->mins[0] > v->position[0]) s->mins[0] = v->position[0]; if (s->mins[1] > v->position[1]) s->mins[1] = v->position[1]; if (s->mins[2] > v->position[2]) s->mins[2] = v->position[2]; if (s->maxs[0] < v->position[0]) s->maxs[0] = v->position[0]; if (s->maxs[1] < v->position[1]) s->maxs[1] = v->position[1]; if (s->maxs[2] < v->position[2]) s->maxs[2] = v->position[2]; } } /* ================= Mod_LoadFaces ================= */ void Mod_LoadFaces (lump_t *l, qboolean bsp2) { dsface_t *ins; dlface_t *inl; msurface_t *out; int i, count, surfnum, lofs, shift; int planenum, side, texinfon; unsigned char *lmshift = NULL, defaultshift = 4; unsigned int *lmoffset = NULL; unsigned char *lmstyle8 = NULL, stylesperface = 4; unsigned short *lmstyle16 = NULL; int lumpsize; char scalebuf[16]; if (bsp2) { ins = NULL; inl = (dlface_t *)(mod_base + l->fileofs); if (l->filelen % sizeof(*inl)) Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*inl); } else { ins = (dsface_t *)(mod_base + l->fileofs); inl = NULL; if (l->filelen % sizeof(*ins)) Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*ins); } out = (msurface_t *)Hunk_AllocName ( count*sizeof(*out), loadname); //johnfitz -- warn mappers about exceeding old limits if (count > 32767 && !bsp2) Con_DWarning ("%i faces exceeds standard limit of 32767.\n", count); //johnfitz if (!mod_ignorelmscale.value) { lmshift = Q1BSPX_FindLump("LMSHIFT", &lumpsize); if (lumpsize != sizeof(*lmshift)*count) lmshift = NULL; lmoffset = Q1BSPX_FindLump("LMOFFSET", &lumpsize); if (lumpsize != sizeof(*lmoffset)*count) lmoffset = NULL; lmstyle16 = Q1BSPX_FindLump("LMSTYLE16", &lumpsize); stylesperface = lumpsize/(sizeof(*lmstyle16)*count); if (lumpsize != sizeof(*lmstyle16)*stylesperface*count) lmstyle16 = NULL; if (!lmstyle16) { lmstyle8 = Q1BSPX_FindLump("LMSTYLE", &lumpsize); stylesperface = lumpsize/(sizeof(*lmstyle8)*count); if (lumpsize != sizeof(*lmstyle8)*stylesperface*count) lmstyle8 = NULL; } if (Mod_ParseWorldspawnKey(loadmodel, "lightmap_scale", scalebuf, sizeof(scalebuf))) { i = atoi(scalebuf); for(defaultshift = 0; i > 1; defaultshift++) i >>= 1; } } loadmodel->surfaces = out; loadmodel->numsurfaces = count; for (surfnum=0 ; surfnumfirstedge = LittleLong(inl->firstedge); out->numedges = LittleLong(inl->numedges); planenum = LittleLong(inl->planenum); side = LittleLong(inl->side); texinfon = LittleLong (inl->texinfo); for (i=0 ; i<4 ; i++) out->styles[i] = ((inl->styles[i]==INVALID_LIGHTSTYLE_OLD)?INVALID_LIGHTSTYLE:inl->styles[i]); lofs = LittleLong(inl->lightofs); inl++; } else { //16bit datatypes out->firstedge = LittleLong(ins->firstedge); out->numedges = LittleShort(ins->numedges); planenum = LittleShort(ins->planenum); side = LittleShort(ins->side); texinfon = LittleShort (ins->texinfo); for (i=0 ; i<4 ; i++) out->styles[i] = ((ins->styles[i]==INVALID_LIGHTSTYLE_OLD)?INVALID_LIGHTSTYLE:ins->styles[i]); lofs = LittleLong(ins->lightofs); ins++; } shift = defaultshift; //bspx overrides (for lmscale) if (lmshift) shift = lmshift[surfnum]; if (lmoffset) lofs = LittleLong(lmoffset[surfnum]); if (lmstyle16) for (i=0 ; istyles[i] = lmstyle16[surfnum*stylesperface+i]; else if (lmstyle8) for (i=0 ; istyles[i] = lmstyle8[surfnum*stylesperface+i]; if (out->styles[i] == INVALID_LIGHTSTYLE_OLD) out->styles[i] = INVALID_LIGHTSTYLE; } for ( ; istyles[i] = INVALID_LIGHTSTYLE; out->flags = 0; if (side) out->flags |= SURF_PLANEBACK; out->plane = loadmodel->planes + planenum; out->texinfo = loadmodel->texinfo + texinfon; out->lmshift = shift; CalcSurfaceExtents (out); Mod_CalcSurfaceBounds (out); //johnfitz -- for per-surface frustum culling // lighting info if (lofs == -1) out->samples = NULL; else out->samples = loadmodel->lightdata + (lofs * 3); //johnfitz -- lit support via lordhavoc (was "+ i") //johnfitz -- this section rewritten if (!q_strncasecmp(out->texinfo->texture->name,"sky",3)) // sky surface //also note -- was Q_strncmp, changed to match qbsp { out->flags |= (SURF_DRAWSKY | SURF_DRAWTILED); Mod_PolyForUnlitSurface (out); //no more subdivision } else if (out->texinfo->texture->name[0] == '*') // warp surface { out->flags |= (SURF_DRAWTURB | SURF_DRAWTILED); // detect special liquid types if (!strncmp (out->texinfo->texture->name, "*lava", 5)) out->flags |= SURF_DRAWLAVA; else if (!strncmp (out->texinfo->texture->name, "*slime", 6)) out->flags |= SURF_DRAWSLIME; else if (!strncmp (out->texinfo->texture->name, "*tele", 5)) out->flags |= SURF_DRAWTELE; else out->flags |= SURF_DRAWWATER; Mod_PolyForUnlitSurface (out); GL_SubdivideSurface (out); } else if (out->texinfo->texture->name[0] == '{') // ericw -- fence textures { out->flags |= SURF_DRAWFENCE; } else if (out->texinfo->flags & TEX_MISSING) // texture is missing from bsp { if (out->samples) //lightmapped { out->flags |= SURF_NOTEXTURE; } else // not lightmapped { out->flags |= (SURF_NOTEXTURE | SURF_DRAWTILED); Mod_PolyForUnlitSurface (out); } } //johnfitz } } /* ================= Mod_SetParent ================= */ void Mod_SetParent (mnode_t *node, mnode_t *parent) { node->parent = parent; if (node->contents < 0) return; Mod_SetParent (node->children[0], node); Mod_SetParent (node->children[1], node); } /* ================= Mod_LoadNodes ================= */ void Mod_LoadNodes_S (lump_t *l) { int i, j, count, p; dsnode_t *in; mnode_t *out; in = (dsnode_t *)(mod_base + l->fileofs); if (l->filelen % sizeof(*in)) Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*in); out = (mnode_t *) Hunk_AllocName ( count*sizeof(*out), loadname); //johnfitz -- warn mappers about exceeding old limits if (count > 32767) Con_DWarning ("%i nodes exceeds standard limit of 32767.\n", count); //johnfitz loadmodel->nodes = out; loadmodel->numnodes = count; for (i=0 ; iminmaxs[j] = LittleShort (in->mins[j]); out->minmaxs[3+j] = LittleShort (in->maxs[j]); } p = LittleLong(in->planenum); out->plane = loadmodel->planes + p; out->firstsurface = (unsigned short)LittleShort (in->firstface); //johnfitz -- explicit cast as unsigned short out->numsurfaces = (unsigned short)LittleShort (in->numfaces); //johnfitz -- explicit cast as unsigned short for (j=0 ; j<2 ; j++) { //johnfitz -- hack to handle nodes > 32k, adapted from darkplaces p = (unsigned short)LittleShort(in->children[j]); if (p < count) out->children[j] = loadmodel->nodes + p; else { p = 65535 - p; //note this uses 65535 intentionally, -1 is leaf 0 if (p < loadmodel->numleafs) out->children[j] = (mnode_t *)(loadmodel->leafs + p); else { Con_Printf("Mod_LoadNodes: invalid leaf index %i (file has only %i leafs)\n", p, loadmodel->numleafs); out->children[j] = (mnode_t *)(loadmodel->leafs); //map it to the solid leaf } } //johnfitz } } } void Mod_LoadNodes_L1 (lump_t *l) { int i, j, count, p; dl1node_t *in; mnode_t *out; in = (dl1node_t *)(mod_base + l->fileofs); if (l->filelen % sizeof(*in)) Sys_Error ("Mod_LoadNodes: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*in); out = (mnode_t *)Hunk_AllocName ( count*sizeof(*out), loadname); loadmodel->nodes = out; loadmodel->numnodes = count; for (i=0 ; iminmaxs[j] = LittleShort (in->mins[j]); out->minmaxs[3+j] = LittleShort (in->maxs[j]); } p = LittleLong(in->planenum); out->plane = loadmodel->planes + p; out->firstsurface = LittleLong (in->firstface); //johnfitz -- explicit cast as unsigned short out->numsurfaces = LittleLong (in->numfaces); //johnfitz -- explicit cast as unsigned short for (j=0 ; j<2 ; j++) { //johnfitz -- hack to handle nodes > 32k, adapted from darkplaces p = LittleLong(in->children[j]); if (p >= 0 && p < count) out->children[j] = loadmodel->nodes + p; else { p = 0xffffffff - p; //note this uses 65535 intentionally, -1 is leaf 0 if (p >= 0 && p < loadmodel->numleafs) out->children[j] = (mnode_t *)(loadmodel->leafs + p); else { Con_Printf("Mod_LoadNodes: invalid leaf index %i (file has only %i leafs)\n", p, loadmodel->numleafs); out->children[j] = (mnode_t *)(loadmodel->leafs); //map it to the solid leaf } } //johnfitz } } } void Mod_LoadNodes_L2 (lump_t *l) { int i, j, count, p; dl2node_t *in; mnode_t *out; in = (dl2node_t *)(mod_base + l->fileofs); if (l->filelen % sizeof(*in)) Sys_Error ("Mod_LoadNodes: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*in); out = (mnode_t *)Hunk_AllocName ( count*sizeof(*out), loadname); loadmodel->nodes = out; loadmodel->numnodes = count; for (i=0 ; iminmaxs[j] = LittleFloat (in->mins[j]); out->minmaxs[3+j] = LittleFloat (in->maxs[j]); } p = LittleLong(in->planenum); out->plane = loadmodel->planes + p; out->firstsurface = LittleLong (in->firstface); //johnfitz -- explicit cast as unsigned short out->numsurfaces = LittleLong (in->numfaces); //johnfitz -- explicit cast as unsigned short for (j=0 ; j<2 ; j++) { //johnfitz -- hack to handle nodes > 32k, adapted from darkplaces p = LittleLong(in->children[j]); if (p > 0 && p < count) out->children[j] = loadmodel->nodes + p; else { p = 0xffffffff - p; //note this uses 65535 intentionally, -1 is leaf 0 if (p >= 0 && p < loadmodel->numleafs) out->children[j] = (mnode_t *)(loadmodel->leafs + p); else { Con_Printf("Mod_LoadNodes: invalid leaf index %i (file has only %i leafs)\n", p, loadmodel->numleafs); out->children[j] = (mnode_t *)(loadmodel->leafs); //map it to the solid leaf } } //johnfitz } } } void Mod_LoadNodes (lump_t *l, int bsp2) { if (bsp2 == 2) Mod_LoadNodes_L2(l); else if (bsp2) Mod_LoadNodes_L1(l); else Mod_LoadNodes_S(l); // Mod_SetParent (loadmodel->nodes, NULL); // sets nodes and leafs } void Mod_ProcessLeafs_S (dsleaf_t *in, int filelen) { mleaf_t *out; int i, j, count, p; if (filelen % sizeof(*in)) Sys_Error ("Mod_ProcessLeafs: funny lump size in %s", loadmodel->name); count = filelen / sizeof(*in); out = (mleaf_t *) Hunk_AllocName ( count*sizeof(*out), loadname); //johnfitz if (count > 32767) Host_Error ("Mod_LoadLeafs: %i leafs exceeds limit of 32767.\n", count); //johnfitz loadmodel->leafs = out; loadmodel->numleafs = count; for (i=0 ; iminmaxs[j] = LittleShort (in->mins[j]); out->minmaxs[3+j] = LittleShort (in->maxs[j]); } p = LittleLong(in->contents); out->contents = p; out->firstmarksurface = loadmodel->marksurfaces + (unsigned short)LittleShort(in->firstmarksurface); //johnfitz -- unsigned short out->nummarksurfaces = (unsigned short)LittleShort(in->nummarksurfaces); //johnfitz -- unsigned short p = LittleLong(in->visofs); if (p == -1) out->compressed_vis = NULL; else out->compressed_vis = loadmodel->visdata + p; out->efrags = NULL; for (j=0 ; j<4 ; j++) out->ambient_sound_level[j] = in->ambient_level[j]; //johnfitz -- removed code to mark surfaces as SURF_UNDERWATER } } void Mod_ProcessLeafs_L1 (dl1leaf_t *in, int filelen) { mleaf_t *out; int i, j, count, p; if (filelen % sizeof(*in)) Sys_Error ("Mod_ProcessLeafs: funny lump size in %s", loadmodel->name); count = filelen / sizeof(*in); out = (mleaf_t *) Hunk_AllocName (count * sizeof(*out), loadname); loadmodel->leafs = out; loadmodel->numleafs = count; for (i=0 ; iminmaxs[j] = LittleShort (in->mins[j]); out->minmaxs[3+j] = LittleShort (in->maxs[j]); } p = LittleLong(in->contents); out->contents = p; out->firstmarksurface = loadmodel->marksurfaces + LittleLong(in->firstmarksurface); //johnfitz -- unsigned short out->nummarksurfaces = LittleLong(in->nummarksurfaces); //johnfitz -- unsigned short p = LittleLong(in->visofs); if (p == -1) out->compressed_vis = NULL; else out->compressed_vis = loadmodel->visdata + p; out->efrags = NULL; for (j=0 ; j<4 ; j++) out->ambient_sound_level[j] = in->ambient_level[j]; //johnfitz -- removed code to mark surfaces as SURF_UNDERWATER } } void Mod_ProcessLeafs_L2 (dl2leaf_t *in, int filelen) { mleaf_t *out; int i, j, count, p; if (filelen % sizeof(*in)) Sys_Error ("Mod_ProcessLeafs: funny lump size in %s", loadmodel->name); count = filelen / sizeof(*in); out = (mleaf_t *) Hunk_AllocName (count * sizeof(*out), loadname); loadmodel->leafs = out; loadmodel->numleafs = count; for (i=0 ; iminmaxs[j] = LittleFloat (in->mins[j]); out->minmaxs[3+j] = LittleFloat (in->maxs[j]); } p = LittleLong(in->contents); out->contents = p; out->firstmarksurface = loadmodel->marksurfaces + LittleLong(in->firstmarksurface); //johnfitz -- unsigned short out->nummarksurfaces = LittleLong(in->nummarksurfaces); //johnfitz -- unsigned short p = LittleLong(in->visofs); if (p == -1) out->compressed_vis = NULL; else out->compressed_vis = loadmodel->visdata + p; out->efrags = NULL; for (j=0 ; j<4 ; j++) out->ambient_sound_level[j] = in->ambient_level[j]; //johnfitz -- removed code to mark surfaces as SURF_UNDERWATER } } /* ================= Mod_LoadLeafs ================= */ void Mod_LoadLeafs (lump_t *l, int bsp2) { void *in = (void *)(mod_base + l->fileofs); if (bsp2 == 2) Mod_ProcessLeafs_L2 ((dl2leaf_t *)in, l->filelen); else if (bsp2) Mod_ProcessLeafs_L1 ((dl1leaf_t *)in, l->filelen); else Mod_ProcessLeafs_S ((dsleaf_t *) in, l->filelen); } void Mod_CheckWaterVis(void) { mleaf_t *leaf, *other; int i, j, k; int numclusters = loadmodel->submodels[0].visleafs; int contentfound = 0; int contenttransparent = 0; int contenttype; if (r_novis.value) { //all can be loadmodel->contentstransparent = (SURF_DRAWWATER|SURF_DRAWTELE|SURF_DRAWSLIME|SURF_DRAWLAVA); return; } //pvs is 1-based. leaf 0 sees all (the solid leaf). //leaf 0 has no pvs, and does not appear in other leafs either, so watch out for the biases. for (i=0,leaf=loadmodel->leafs+1 ; icontents == CONTENTS_WATER) { if ((contenttransparent & (SURF_DRAWWATER|SURF_DRAWTELE))==(SURF_DRAWWATER|SURF_DRAWTELE)) continue; //this check is somewhat risky, but we should be able to get away with it. for (contenttype = 0, i = 0; i < leaf->nummarksurfaces; i++) if (leaf->firstmarksurface[i]->flags & (SURF_DRAWWATER|SURF_DRAWTELE)) { contenttype = leaf->firstmarksurface[i]->flags & (SURF_DRAWWATER|SURF_DRAWTELE); break; } //its possible that this leaf has absolutely no surfaces in it, turb or otherwise. if (contenttype == 0) continue; } else if (leaf->contents == CONTENTS_SLIME) contenttype = SURF_DRAWSLIME; else if (leaf->contents == CONTENTS_LAVA) contenttype = SURF_DRAWLAVA; //fixme: tele else continue; if (contenttransparent & contenttype) { nextleaf: continue; //found one of this type already } contentfound |= contenttype; vis = Mod_DecompressVis(leaf->compressed_vis, loadmodel); for (j = 0; j < (numclusters+7)/8; j++) { if (vis[j]) { for (k = 0; k < 8; k++) { if (vis[j] & (1u<leafs[(j<<3)+k+1]; if (leaf->contents != other->contents) { // Con_Printf("%p:%i sees %p:%i\n", leaf, leaf->contents, other, other->contents); contenttransparent |= contenttype; goto nextleaf; } } } } } } if (!contenttransparent) Con_DPrintf("%s is not watervised\n", loadmodel->name); else { Con_DPrintf("%s is vised for transparent", loadmodel->name); if (contenttransparent & SURF_DRAWWATER) Con_DPrintf(" water"); if (contenttransparent & SURF_DRAWTELE) Con_DPrintf(" tele"); if (contenttransparent & SURF_DRAWLAVA) Con_DPrintf(" lava"); if (contenttransparent & SURF_DRAWSLIME) Con_DPrintf(" slime"); Con_DPrintf("\n"); } //any types that we didn't find are assumed to be transparent. //this allows submodels to work okay (eg: ad uses func_illusionary teleporters for some reason). loadmodel->contentstransparent = contenttransparent | (~contentfound & (SURF_DRAWWATER|SURF_DRAWTELE|SURF_DRAWSLIME|SURF_DRAWLAVA)); } /* ================= Mod_LoadClipnodes ================= */ void Mod_LoadClipnodes (lump_t *l, qboolean bsp2) { dsclipnode_t *ins; dlclipnode_t *inl; mclipnode_t *out; //johnfitz -- was dclipnode_t int i, count; hull_t *hull; if (bsp2) { ins = NULL; inl = (dlclipnode_t *)(mod_base + l->fileofs); if (l->filelen % sizeof(*inl)) Sys_Error ("Mod_LoadClipnodes: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*inl); } else { ins = (dsclipnode_t *)(mod_base + l->fileofs); inl = NULL; if (l->filelen % sizeof(*ins)) Sys_Error ("Mod_LoadClipnodes: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*ins); } if (count) out = (mclipnode_t *) Hunk_AllocName ( count*sizeof(*out), loadname); else out = NULL; //will use rnodes. //johnfitz -- warn about exceeding old limits if (count > 32767 && !bsp2) Con_DWarning ("%i clipnodes exceeds standard limit of 32767.\n", count); //johnfitz loadmodel->clipnodes = out; loadmodel->numclipnodes = count; hull = &loadmodel->hulls[1]; hull->clipnodes = out; hull->firstclipnode = 0; hull->lastclipnode = count-1; hull->planes = loadmodel->planes; hull->clip_mins[0] = -16; hull->clip_mins[1] = -16; hull->clip_mins[2] = -24; hull->clip_maxs[0] = 16; hull->clip_maxs[1] = 16; hull->clip_maxs[2] = 32; hull = &loadmodel->hulls[2]; hull->clipnodes = out; hull->firstclipnode = 0; hull->lastclipnode = count-1; hull->planes = loadmodel->planes; hull->clip_mins[0] = -32; hull->clip_mins[1] = -32; hull->clip_mins[2] = -24; hull->clip_maxs[0] = 32; hull->clip_maxs[1] = 32; hull->clip_maxs[2] = 64; if (bsp2) { for (i=0 ; iplanenum = LittleLong(inl->planenum); //johnfitz -- bounds check if (out->planenum < 0 || out->planenum >= loadmodel->numplanes) Host_Error ("Mod_LoadClipnodes: planenum out of bounds"); //johnfitz out->children[0] = LittleLong(inl->children[0]); out->children[1] = LittleLong(inl->children[1]); //Spike: FIXME: bounds check } } else { for (i=0 ; iplanenum = LittleLong(ins->planenum); //johnfitz -- bounds check if (out->planenum < 0 || out->planenum >= loadmodel->numplanes) Host_Error ("Mod_LoadClipnodes: planenum out of bounds"); //johnfitz //johnfitz -- support clipnodes > 32k out->children[0] = (unsigned short)LittleShort(ins->children[0]); out->children[1] = (unsigned short)LittleShort(ins->children[1]); if (out->children[0] >= count) out->children[0] -= 65536; if (out->children[1] >= count) out->children[1] -= 65536; //johnfitz } } } /* ================= Mod_MakeHull0 Duplicate the drawing hull structure as a clipping hull ================= */ void Mod_MakeHull0 (void) { mnode_t *in, *child; mclipnode_t *out; //johnfitz -- was dclipnode_t int i, j, count; hull_t *hull; hull = &loadmodel->hulls[0]; in = loadmodel->nodes; count = loadmodel->numnodes; out = (mclipnode_t *) Hunk_AllocName ( count*sizeof(*out), loadname); hull->clipnodes = out; hull->firstclipnode = 0; hull->lastclipnode = count-1; hull->planes = loadmodel->planes; for (i=0 ; iplanenum = in->plane - loadmodel->planes; for (j=0 ; j<2 ; j++) { child = in->children[j]; if (child->contents < 0) out->children[j] = child->contents; else out->children[j] = child - loadmodel->nodes; } } //if qbsp was run with -noclip, make sure the extra hulls use the rnodes instead of the missing clipnodes //this won't 'fix' it, but it will stop it from crashing if it was just quickly built for debugging or whatever. if (!loadmodel->hulls[1].clipnodes) { //hulls will be point-sized. //bias that point so that its mid,mid,bottom instead of at the absmin or origin. this will retain view offsets. loadmodel->hulls[1].clip_maxs[2] -= loadmodel->hulls[1].clip_mins[2]; loadmodel->hulls[1].clip_mins[2] = 0; loadmodel->hulls[1].clipnodes = hull->clipnodes; loadmodel->hulls[1].firstclipnode = hull->firstclipnode; loadmodel->hulls[1].lastclipnode = hull->lastclipnode; } if (!loadmodel->hulls[2].clipnodes) { loadmodel->hulls[2].clip_maxs[2] -= loadmodel->hulls[2].clip_mins[2]; loadmodel->hulls[2].clip_mins[2] = 0; loadmodel->hulls[2].clipnodes = loadmodel->hulls[1].clipnodes; loadmodel->hulls[2].firstclipnode = loadmodel->hulls[1].firstclipnode; loadmodel->hulls[2].lastclipnode = loadmodel->hulls[1].lastclipnode; } } /* ================= Mod_LoadMarksurfaces ================= */ void Mod_LoadMarksurfaces (lump_t *l, int bsp2) { int i, j, count; msurface_t **out; if (bsp2) { unsigned int *in = (unsigned int *)(mod_base + l->fileofs); if (l->filelen % sizeof(*in)) Host_Error ("Mod_LoadMarksurfaces: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*in); out = (msurface_t **)Hunk_AllocName ( count*sizeof(*out), loadname); loadmodel->marksurfaces = out; loadmodel->nummarksurfaces = count; for (i=0 ; i= loadmodel->numsurfaces) Host_Error ("Mod_LoadMarksurfaces: bad surface number"); out[i] = loadmodel->surfaces + j; } } else { short *in = (short *)(mod_base + l->fileofs); if (l->filelen % sizeof(*in)) Host_Error ("Mod_LoadMarksurfaces: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*in); out = (msurface_t **)Hunk_AllocName ( count*sizeof(*out), loadname); loadmodel->marksurfaces = out; loadmodel->nummarksurfaces = count; //johnfitz -- warn mappers about exceeding old limits if (count > 32767) Con_DWarning ("%i marksurfaces exceeds standard limit of 32767.\n", count); //johnfitz for (i=0 ; i= loadmodel->numsurfaces) Sys_Error ("Mod_LoadMarksurfaces: bad surface number"); out[i] = loadmodel->surfaces + j; } } } /* ================= Mod_LoadSurfedges ================= */ void Mod_LoadSurfedges (lump_t *l) { int i, count; int *in, *out; in = (int *)(mod_base + l->fileofs); if (l->filelen % sizeof(*in)) Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*in); out = (int *) Hunk_AllocName ( count*sizeof(*out), loadname); loadmodel->surfedges = out; loadmodel->numsurfedges = count; for (i=0 ; ifileofs); if (l->filelen % sizeof(*in)) Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*in); out = (mplane_t *) Hunk_AllocName ( count*2*sizeof(*out), loadname); loadmodel->planes = out; loadmodel->numplanes = count; for (i=0 ; inormal[j] = LittleFloat (in->normal[j]); if (out->normal[j] < 0) bits |= 1<dist = LittleFloat (in->dist); out->type = LittleLong (in->type); out->signbits = bits; } } /* ================= RadiusFromBounds ================= */ float RadiusFromBounds (vec3_t mins, vec3_t maxs) { int i; vec3_t corner; for (i=0 ; i<3 ; i++) { corner[i] = fabs(mins[i]) > fabs(maxs[i]) ? fabs(mins[i]) : fabs(maxs[i]); } return VectorLength (corner); } /* ================= Mod_LoadSubmodels ================= */ void Mod_LoadSubmodels (lump_t *l) { mmodel_t *out; size_t i, j, count; //detect whether this is a hexen2 8-hull map or a quake 4-hull map dmodelq1_t *inq1 = (dmodelq1_t *)(mod_base + l->fileofs); dmodelh2_t *inh2 = (dmodelh2_t *)(mod_base + l->fileofs); //the numfaces is a bit of a hack. hexen2 only actually uses 6 of its 8 hulls and we depend upon this. //this means that the 7th and 8th are null. q1.numfaces of the world equates to h2.hull[6], so should have a value for q1, and be 0 for hexen2. //this should work even for maps that have enough submodels to realign the size. //note that even if the map loads, you're on your own regarding the palette (hurrah for retexturing projects?). //fixme: we don't fix up the clipnodes yet, the player is fine, shamblers/ogres/fiends/vores will have issues. //unfortunately c doesn't do templates, which would make all this code a bit less copypastay if ((size_t)l->filelen >= sizeof(*inh2) && !(l->filelen % sizeof(*inh2)) && !inq1->numfaces && inq1[1].firstface) { dmodelh2_t *in = inh2; if (l->filelen % sizeof(*in)) Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*in); out = (mmodel_t *) Hunk_AllocName ( count*sizeof(*out), loadname); loadmodel->submodels = out; loadmodel->numsubmodels = count; for (i=0 ; imins[j] = LittleFloat (in->mins[j]) - 1; out->maxs[j] = LittleFloat (in->maxs[j]) + 1; out->origin[j] = LittleFloat (in->origin[j]); } for (j=0 ; jheadnode)/sizeof(in->headnode[0]) ; j++) out->headnode[j] = LittleLong (in->headnode[j]); for (; jheadnode[j] = 0; out->visleafs = LittleLong (in->visleafs); out->firstface = LittleLong (in->firstface); out->numfaces = LittleLong (in->numfaces); } } else { dmodelq1_t *in = inq1; if (l->filelen % sizeof(*in)) Sys_Error ("MOD_LoadBmodel: funny lump size in %s",loadmodel->name); count = l->filelen / sizeof(*in); out = (mmodel_t *) Hunk_AllocName ( count*sizeof(*out), loadname); loadmodel->submodels = out; loadmodel->numsubmodels = count; for (i=0 ; imins[j] = LittleFloat (in->mins[j]) - 1; out->maxs[j] = LittleFloat (in->maxs[j]) + 1; out->origin[j] = LittleFloat (in->origin[j]); } for (j=0 ; jheadnode)/sizeof(in->headnode[0]) ; j++) out->headnode[j] = LittleLong (in->headnode[j]); for (; jheadnode[j] = 0; out->visleafs = LittleLong (in->visleafs); out->firstface = LittleLong (in->firstface); out->numfaces = LittleLong (in->numfaces); } } // johnfitz -- check world visleafs -- adapted from bjp out = loadmodel->submodels; if (out->visleafs > 8192) Con_DWarning ("%i visleafs exceeds standard limit of 8192.\n", out->visleafs); //johnfitz } /* ================= Mod_BoundsFromClipNode -- johnfitz update the model's clipmins and clipmaxs based on each node's plane. This works because of the way brushes are expanded in hull generation. Each brush will include all six axial planes, which bound that brush. Therefore, the bounding box of the hull can be constructed entirely from axial planes found in the clipnodes for that hull. ================= */ void Mod_BoundsFromClipNode (qmodel_t *mod, int hull, int nodenum) { mplane_t *plane; mclipnode_t *node; if (nodenum < 0) return; //hit a leafnode node = &mod->clipnodes[nodenum]; plane = mod->hulls[hull].planes + node->planenum; switch (plane->type) { case PLANE_X: if (plane->signbits == 1) mod->clipmins[0] = q_min(mod->clipmins[0], -plane->dist - mod->hulls[hull].clip_mins[0]); else mod->clipmaxs[0] = q_max(mod->clipmaxs[0], plane->dist - mod->hulls[hull].clip_maxs[0]); break; case PLANE_Y: if (plane->signbits == 2) mod->clipmins[1] = q_min(mod->clipmins[1], -plane->dist - mod->hulls[hull].clip_mins[1]); else mod->clipmaxs[1] = q_max(mod->clipmaxs[1], plane->dist - mod->hulls[hull].clip_maxs[1]); break; case PLANE_Z: if (plane->signbits == 4) mod->clipmins[2] = q_min(mod->clipmins[2], -plane->dist - mod->hulls[hull].clip_mins[2]); else mod->clipmaxs[2] = q_max(mod->clipmaxs[2], plane->dist - mod->hulls[hull].clip_maxs[2]); break; default: //skip nonaxial planes; don't need them break; } Mod_BoundsFromClipNode (mod, hull, node->children[0]); Mod_BoundsFromClipNode (mod, hull, node->children[1]); } /* ================= Mod_LoadBrushModel ================= */ void Mod_LoadBrushModel (qmodel_t *mod, void *buffer) { int i, j; int bsp2; dheader_t *header; mmodel_t *bm; float radius; //johnfitz loadmodel->type = mod_brush; header = (dheader_t *)buffer; mod->bspversion = LittleLong (header->version); switch(mod->bspversion) { case BSPVERSION: bsp2 = false; break; case BSP2VERSION_2PSB: bsp2 = 1; //first iteration break; case BSP2VERSION_BSP2: bsp2 = 2; //sanitised revision break; default: loadmodel->type = mod_ext_invalid; Con_Warning ("Mod_LoadBrushModel: %s has wrong version number (%i should be %i)\n", mod->name, mod->bspversion, BSPVERSION); return; } // swap all the lumps mod_base = (byte *)header; for (i = 0; i < (int) sizeof(dheader_t) / 4; i++) ((int *)header)[i] = LittleLong ( ((int *)header)[i]); Q1BSPX_Setup(mod, buffer, com_filesize, header->lumps, HEADER_LUMPS); // load into heap Mod_LoadVertexes (&header->lumps[LUMP_VERTEXES]); Mod_LoadEdges (&header->lumps[LUMP_EDGES], bsp2); Mod_LoadSurfedges (&header->lumps[LUMP_SURFEDGES]); Mod_LoadTextures (&header->lumps[LUMP_TEXTURES]); Mod_LoadLighting (&header->lumps[LUMP_LIGHTING]); Mod_LoadPlanes (&header->lumps[LUMP_PLANES]); Mod_LoadTexinfo (&header->lumps[LUMP_TEXINFO]); Mod_LoadEntities (&header->lumps[LUMP_ENTITIES]); //Spike: moved this earlier, so that we can parse worldspawn keys earlier. Mod_LoadFaces (&header->lumps[LUMP_FACES], bsp2); Mod_LoadMarksurfaces (&header->lumps[LUMP_MARKSURFACES], bsp2); Mod_LoadVisibility (&header->lumps[LUMP_VISIBILITY]); Mod_LoadLeafs (&header->lumps[LUMP_LEAFS], bsp2); Mod_LoadNodes (&header->lumps[LUMP_NODES], bsp2); Mod_LoadClipnodes (&header->lumps[LUMP_CLIPNODES], bsp2); Mod_LoadSubmodels (&header->lumps[LUMP_MODELS]); Mod_MakeHull0 (); mod->numframes = 2; // regular and alternate animation Mod_CheckWaterVis(); // // set up the submodels (FIXME: this is confusing) // // johnfitz -- okay, so that i stop getting confused every time i look at this loop, here's how it works: // we're looping through the submodels starting at 0. Submodel 0 is the main model, so we don't have to // worry about clobbering data the first time through, since it's the same data. At the end of the loop, // we create a new copy of the data to use the next time through. for (i=0 ; inumsubmodels ; i++) { bm = &mod->submodels[i]; mod->hulls[0].firstclipnode = bm->headnode[0]; for (j=1 ; jhulls[j].firstclipnode = bm->headnode[j]; if (mod->hulls[j].clipnodes == mod->hulls[0].clipnodes) mod->hulls[j].lastclipnode = mod->hulls[0].lastclipnode; else mod->hulls[j].lastclipnode = mod->numclipnodes-1; } mod->firstmodelsurface = bm->firstface; mod->nummodelsurfaces = bm->numfaces; VectorCopy (bm->maxs, mod->maxs); VectorCopy (bm->mins, mod->mins); //johnfitz -- calculate rotate bounds and yaw bounds radius = RadiusFromBounds (mod->mins, mod->maxs); mod->rmaxs[0] = mod->rmaxs[1] = mod->rmaxs[2] = mod->ymaxs[0] = mod->ymaxs[1] = mod->ymaxs[2] = radius; mod->rmins[0] = mod->rmins[1] = mod->rmins[2] = mod->ymins[0] = mod->ymins[1] = mod->ymins[2] = -radius; //johnfitz //johnfitz -- correct physics cullboxes so that outlying clip brushes on doors and stuff are handled right if (i > 0 || strcmp(mod->name, sv.modelname) != 0) //skip submodel 0 of sv.worldmodel, which is the actual world { // start with the hull0 bounds VectorCopy (mod->maxs, mod->clipmaxs); VectorCopy (mod->mins, mod->clipmins); // process hull1 (we don't need to process hull2 becuase there's // no such thing as a brush that appears in hull2 but not hull1) //Mod_BoundsFromClipNode (mod, 1, mod->hulls[1].firstclipnode); // (disabled for now becuase it fucks up on rotating models) } //johnfitz mod->numleafs = bm->visleafs; if (i < mod->numsubmodels-1) { // duplicate the basic information char name[10]; sprintf (name, "*%i", i+1); loadmodel = Mod_FindName (name); *loadmodel = *mod; strcpy (loadmodel->name, name); mod = loadmodel; Mod_SetExtraFlags(mod); } } } /* ============================================================================== ALIAS MODELS ============================================================================== */ aliashdr_t *pheader; stvert_t stverts[MAXALIASVERTS]; mtriangle_t *triangles; int max_triangles; // a pose is a single set of vertexes. a frame may be // an animating sequence of poses trivertx_t *poseverts_mdl[MAXALIASFRAMES]; int posenum; byte **player_8bit_texels_tbl; byte *player_8bit_texels; /* ================= Mod_LoadAliasFrame ================= */ static void * Mod_LoadAliasFrame (void * pin, maliasframedesc_t *frame, int pvtype) { trivertx_t *pinframe; int i; daliasframe_t *pdaliasframe; if (posenum >= MAXALIASFRAMES) Sys_Error ("posenum >= MAXALIASFRAMES"); pdaliasframe = (daliasframe_t *)pin; strcpy (frame->name, pdaliasframe->name); frame->firstpose = posenum; frame->numposes = 1; for (i=0 ; i<3 ; i++) { // these are byte values, so we don't have to worry about // endianness frame->bboxmin.v[i] = pdaliasframe->bboxmin.v[i]; frame->bboxmax.v[i] = pdaliasframe->bboxmax.v[i]; } pinframe = (trivertx_t *)(pdaliasframe + 1); poseverts_mdl[posenum] = pinframe; posenum++; pinframe += pheader->numverts*(pvtype==PV_QUAKEFORGE?2:1); return (void *)pinframe; } /* ================= Mod_LoadAliasGroup ================= */ static void *Mod_LoadAliasGroup (void * pin, maliasframedesc_t *frame, int pvtype) { daliasgroup_t *pingroup; int i, numframes; daliasinterval_t *pin_intervals; void *ptemp; pingroup = (daliasgroup_t *)pin; numframes = LittleLong (pingroup->numframes); frame->firstpose = posenum; frame->numposes = numframes; for (i=0 ; i<3 ; i++) { // these are byte values, so we don't have to worry about endianness frame->bboxmin.v[i] = pingroup->bboxmin.v[i]; frame->bboxmax.v[i] = pingroup->bboxmax.v[i]; } pin_intervals = (daliasinterval_t *)(pingroup + 1); frame->interval = LittleFloat (pin_intervals->interval); pin_intervals += numframes; ptemp = (void *)pin_intervals; for (i=0 ; i= MAXALIASFRAMES) Sys_Error ("posenum >= MAXALIASFRAMES"); poseverts_mdl[posenum] = (trivertx_t *)((daliasframe_t *)ptemp + 1); posenum++; ptemp = (trivertx_t *)((daliasframe_t *)ptemp + 1) + pheader->numverts*(pvtype==PV_QUAKEFORGE?2:1); } return ptemp; } //========================================================= /* ================= Mod_FloodFillSkin Fill background pixels so mipmapping doesn't have haloes - Ed ================= */ typedef struct { short x, y; } floodfill_t; // must be a power of 2 #define FLOODFILL_FIFO_SIZE 0x1000 #define FLOODFILL_FIFO_MASK (FLOODFILL_FIFO_SIZE - 1) #define FLOODFILL_STEP( off, dx, dy ) \ do { \ if (pos[off] == fillcolor) \ { \ pos[off] = 255; \ fifo[inpt].x = x + (dx), fifo[inpt].y = y + (dy); \ inpt = (inpt + 1) & FLOODFILL_FIFO_MASK; \ } \ else if (pos[off] != 255) fdc = pos[off]; \ } while (0) void Mod_FloodFillSkin( byte *skin, int skinwidth, int skinheight ) { byte fillcolor = *skin; // assume this is the pixel to fill floodfill_t fifo[FLOODFILL_FIFO_SIZE]; int inpt = 0, outpt = 0; int filledcolor = -1; int i; if (filledcolor == -1) { filledcolor = 0; // attempt to find opaque black for (i = 0; i < 256; ++i) if (d_8to24table[i] == (unsigned int)LittleLong(255 << 24)) // alpha 1.0 { filledcolor = i; break; } } // can't fill to filled color or to transparent color (used as visited marker) if ((fillcolor == filledcolor) || (fillcolor == 255)) { //printf( "not filling skin from %d to %d\n", fillcolor, filledcolor ); return; } fifo[inpt].x = 0, fifo[inpt].y = 0; inpt = (inpt + 1) & FLOODFILL_FIFO_MASK; while (outpt != inpt) { int x = fifo[outpt].x, y = fifo[outpt].y; int fdc = filledcolor; byte *pos = &skin[x + skinwidth * y]; outpt = (outpt + 1) & FLOODFILL_FIFO_MASK; if (x > 0) FLOODFILL_STEP( -1, -1, 0 ); if (x < skinwidth - 1) FLOODFILL_STEP( 1, 1, 0 ); if (y > 0) FLOODFILL_STEP( -skinwidth, 0, -1 ); if (y < skinheight - 1) FLOODFILL_STEP( skinwidth, 0, 1 ); skin[x + skinwidth * y] = fdc; } } /* =============== Mod_LoadAllSkins =============== */ void *Mod_LoadAllSkins (int numskins, daliasskintype_t *pskintype) { int i, j, k, size, groupskins; char name[MAX_QPATH]; byte *skin, *texels; daliasskingroup_t *pinskingroup; daliasskininterval_t *pinskinintervals; char fbr_mask_name[MAX_QPATH]; //johnfitz -- added for fullbright support src_offset_t offset; //johnfitz unsigned int texflags = TEXPREF_PAD; skin = (byte *)(pskintype + 1); if (numskins < 1 || numskins > MAX_SKINS) Sys_Error ("Mod_LoadAliasModel: Invalid # of skins: %d\n", numskins); size = pheader->skinwidth * pheader->skinheight; if (loadmodel->flags & MF_HOLEY) texflags |= TEXPREF_ALPHA; for (i=0 ; itype == ALIAS_SKIN_SINGLE) { Mod_FloodFillSkin( skin, pheader->skinwidth, pheader->skinheight ); // save 8 bit texels for the player model to remap texels = (byte *) Hunk_AllocName(size, loadname); pheader->texels[i] = texels - (byte *)pheader; memcpy (texels, (byte *)(pskintype + 1), size); //spike - external model textures with dp naming -- eg progs/foo.mdl_0.tga //always use the alpha channel for external images. gpus prefer aligned data anyway. int mark = Hunk_LowMark (); char filename[MAX_QPATH]; char filename2[MAX_QPATH]; byte *data; int fwidth, fheight; qboolean malloced; q_snprintf (filename, sizeof(filename), "%s_%i", loadmodel->name, i); data = !gl_load24bit.value?NULL:Image_LoadImage (filename, &fwidth, &fheight, &malloced); //now load whatever we found if (data) //load external image { pheader->gltextures[i][0] = TexMgr_LoadImage (loadmodel, filename, fwidth, fheight, SRC_RGBA, data, filename, 0, TEXPREF_ALPHA|texflags|TEXPREF_MIPMAP ); //now try to load glow/luma image from the same place if (malloced) free(data); Hunk_FreeToLowMark (mark); q_snprintf (filename2, sizeof(filename2), "%s_glow", filename); data = !gl_load24bit.value?NULL:Image_LoadImage (filename2, &fwidth, &fheight, &malloced); if (!data) { q_snprintf (filename2, sizeof(filename2), "%s_luma", filename); data = !gl_load24bit.value?NULL:Image_LoadImage (filename2, &fwidth, &fheight, &malloced); } if (data) pheader->fbtextures[i][0] = TexMgr_LoadImage (loadmodel, filename2, fwidth, fheight, SRC_RGBA, data, filename, 0, TEXPREF_ALPHA|texflags|TEXPREF_MIPMAP ); else pheader->fbtextures[i][0] = NULL; } else { //johnfitz -- rewritten q_snprintf (name, sizeof(name), "%s:frame%i", loadmodel->name, i); offset = (src_offset_t)(pskintype+1) - (src_offset_t)mod_base; if (Mod_CheckFullbrights ((byte *)(pskintype+1), size)) { pheader->gltextures[i][0] = TexMgr_LoadImage (loadmodel, name, pheader->skinwidth, pheader->skinheight, SRC_INDEXED, (byte *)(pskintype+1), loadmodel->name, offset, texflags | TEXPREF_NOBRIGHT); q_snprintf (fbr_mask_name, sizeof(fbr_mask_name), "%s:frame%i_glow", loadmodel->name, i); pheader->fbtextures[i][0] = TexMgr_LoadImage (loadmodel, fbr_mask_name, pheader->skinwidth, pheader->skinheight, SRC_INDEXED, (byte *)(pskintype+1), loadmodel->name, offset, texflags | TEXPREF_FULLBRIGHT); } else { pheader->gltextures[i][0] = TexMgr_LoadImage (loadmodel, name, pheader->skinwidth, pheader->skinheight, SRC_INDEXED, (byte *)(pskintype+1), loadmodel->name, offset, texflags); pheader->fbtextures[i][0] = NULL; } } pheader->gltextures[i][3] = pheader->gltextures[i][2] = pheader->gltextures[i][1] = pheader->gltextures[i][0]; pheader->fbtextures[i][3] = pheader->fbtextures[i][2] = pheader->fbtextures[i][1] = pheader->fbtextures[i][0]; //johnfitz pskintype = (daliasskintype_t *)((byte *)(pskintype+1) + size); } else { // animating skin group. yuck. pskintype++; pinskingroup = (daliasskingroup_t *)pskintype; groupskins = LittleLong (pinskingroup->numskins); pinskinintervals = (daliasskininterval_t *)(pinskingroup + 1); pskintype = (daliasskintype_t *)(pinskinintervals + groupskins); for (j=0 ; jskinwidth, pheader->skinheight ); if (j == 0) { texels = (byte *) Hunk_AllocName(size, loadname); pheader->texels[i] = texels - (byte *)pheader; memcpy (texels, (byte *)(pskintype), size); } //johnfitz -- rewritten q_snprintf (name, sizeof(name), "%s:frame%i_%i", loadmodel->name, i,j); offset = (src_offset_t)(pskintype) - (src_offset_t)mod_base; //johnfitz if (Mod_CheckFullbrights ((byte *)(pskintype), size)) { pheader->gltextures[i][j&3] = TexMgr_LoadImage (loadmodel, name, pheader->skinwidth, pheader->skinheight, SRC_INDEXED, (byte *)(pskintype), loadmodel->name, offset, texflags | TEXPREF_NOBRIGHT); q_snprintf (fbr_mask_name, sizeof(fbr_mask_name), "%s:frame%i_%i_glow", loadmodel->name, i,j); pheader->fbtextures[i][j&3] = TexMgr_LoadImage (loadmodel, fbr_mask_name, pheader->skinwidth, pheader->skinheight, SRC_INDEXED, (byte *)(pskintype), loadmodel->name, offset, texflags | TEXPREF_FULLBRIGHT); } else { pheader->gltextures[i][j&3] = TexMgr_LoadImage (loadmodel, name, pheader->skinwidth, pheader->skinheight, SRC_INDEXED, (byte *)(pskintype), loadmodel->name, offset, texflags); pheader->fbtextures[i][j&3] = NULL; } //johnfitz pskintype = (daliasskintype_t *)((byte *)(pskintype) + size); } k = j; for (/**/; j < 4; j++) pheader->gltextures[i][j&3] = pheader->gltextures[i][j - k]; } } return (void *)pskintype; } //========================================================================= /* ================= Mod_CalcAliasBounds -- johnfitz -- calculate bounds of alias model for nonrotated, yawrotated, and fullrotated cases ================= */ void Mod_CalcAliasBounds (aliashdr_t *a) { int i,j,k; float dist, yawradius, radius; vec3_t v; //clear out all data for (i=0; i<3;i++) { loadmodel->mins[i] = loadmodel->ymins[i] = loadmodel->rmins[i] = FLT_MAX; loadmodel->maxs[i] = loadmodel->ymaxs[i] = loadmodel->rmaxs[i] = -FLT_MAX; } radius = yawradius = 0; for (;;) { if (a->numposes && a->numverts) { switch(a->poseverttype) { case PV_QUAKE1: //process verts for (i=0 ; inumposes; i++) for (j=0; jnumverts; j++) { for (k=0; k<3;k++) v[k] = poseverts_mdl[i][j].v[k] * pheader->scale[k] + pheader->scale_origin[k]; for (k=0; k<3;k++) { loadmodel->mins[k] = q_min(loadmodel->mins[k], v[k]); loadmodel->maxs[k] = q_max(loadmodel->maxs[k], v[k]); } dist = v[0] * v[0] + v[1] * v[1]; if (yawradius < dist) yawradius = dist; dist += v[2] * v[2]; if (radius < dist) radius = dist; } break; case PV_QUAKEFORGE: //process verts for (i=0 ; inumposes; i++) for (j=0; jnumverts; j++) { for (k=0; k<3;k++) v[k] = (poseverts_mdl[i][j].v[k] * pheader->scale[k]) + (poseverts_mdl[i][j+a->numverts].v[k] * pheader->scale[k]/256.f) + (pheader->scale_origin[k]); for (k=0; k<3;k++) { loadmodel->mins[k] = q_min(loadmodel->mins[k], v[k]); loadmodel->maxs[k] = q_max(loadmodel->maxs[k], v[k]); } dist = v[0] * v[0] + v[1] * v[1]; if (yawradius < dist) yawradius = dist; dist += v[2] * v[2]; if (radius < dist) radius = dist; } break; case PV_QUAKE3: //process verts for (i=0 ; inumposes; i++) { md3XyzNormal_t *pv = (md3XyzNormal_t *)((byte*)a+a->vertexes) + i*a->numverts; for (j=0; jnumverts; j++) { for (k=0; k<3;k++) v[k] = pv[j].xyz[k] * 1/64.0; for (k=0; k<3;k++) { loadmodel->mins[k] = q_min(loadmodel->mins[k], v[k]); loadmodel->maxs[k] = q_max(loadmodel->maxs[k], v[k]); } dist = v[0] * v[0] + v[1] * v[1]; if (yawradius < dist) yawradius = dist; dist += v[2] * v[2]; if (radius < dist) radius = dist; } } break; } } if (!a->nextsurface) break; a = (aliashdr_t*)((byte*)a + a->nextsurface); } //dodgy model that lacks any frames or verts for (i=0; i<3;i++) { if (loadmodel->mins[i] > loadmodel->maxs[i]) { //set sizes to 0 if its invalid. loadmodel->mins[i] = 0; loadmodel->maxs[i] = 0; } } //rbounds will be used when entity has nonzero pitch or roll radius = sqrt(radius); loadmodel->rmins[0] = loadmodel->rmins[1] = loadmodel->rmins[2] = -radius; loadmodel->rmaxs[0] = loadmodel->rmaxs[1] = loadmodel->rmaxs[2] = radius; //ybounds will be used when entity has nonzero yaw yawradius = sqrt(yawradius); loadmodel->ymins[0] = loadmodel->ymins[1] = -yawradius; loadmodel->ymaxs[0] = loadmodel->ymaxs[1] = yawradius; loadmodel->ymins[2] = loadmodel->mins[2]; loadmodel->ymaxs[2] = loadmodel->maxs[2]; } static qboolean nameInList(const char *list, const char *name) { const char *s; char tmp[MAX_QPATH]; int i; s = list; while (*s) { // make a copy until the next comma or end of string i = 0; while (*s && *s != ',') { if (i < MAX_QPATH - 1) tmp[i++] = *s; s++; } tmp[i] = '\0'; //compare it to the model name if (!strcmp(name, tmp)) { return true; } //search forwards to the next comma or end of string while (*s && *s == ',') s++; } return false; } /* ================= Mod_SetExtraFlags -- johnfitz -- set up extra flags that aren't in the mdl ================= */ void Mod_SetExtraFlags (qmodel_t *mod) { extern cvar_t r_nolerp_list, r_noshadow_list; if (!mod) return; mod->flags &= (0xFF | MF_HOLEY); //only preserve first byte, plus MF_HOLEY if (mod->type == mod_alias) { // nolerp flag if (nameInList(r_nolerp_list.string, mod->name)) mod->flags |= MOD_NOLERP; // noshadow flag if (nameInList(r_noshadow_list.string, mod->name)) mod->flags |= MOD_NOSHADOW; // fullbright hack (TODO: make this a cvar list) if (!strcmp (mod->name, "progs/flame2.mdl") || !strcmp (mod->name, "progs/flame.mdl") || !strcmp (mod->name, "progs/boss.mdl")) mod->flags |= MOD_FBRIGHTHACK; } #ifdef PSET_SCRIPT PScript_UpdateModelEffects(mod); #endif } /* ================= Mod_LoadAliasModel ================= */ void Mod_LoadAliasModel (qmodel_t *mod, void *buffer, int pvtype) { int i, j; mdl_t *pinmodel; stvert_t *pinstverts; dtriangle_t *pintriangles; int version, numframes; int size; daliasframetype_t *pframetype; daliasskintype_t *pskintype; int start, end, total; start = Hunk_LowMark (); pinmodel = (mdl_t *)buffer; mod_base = (byte *)buffer; //johnfitz version = LittleLong (pinmodel->version); if (version != ALIAS_VERSION) Sys_Error ("%s has wrong version number (%i should be %i)", mod->name, version, ALIAS_VERSION); // // allocate space for a working header, plus all the data except the frames, // skin and group info // size = sizeof(aliashdr_t) + (LittleLong (pinmodel->numframes) - 1) * sizeof (pheader->frames[0]); pheader = (aliashdr_t *) Hunk_AllocName (size, loadname); mod->flags = LittleLong (pinmodel->flags); // // endian-adjust and copy the data, starting with the alias model header // pheader->boundingradius = LittleFloat (pinmodel->boundingradius); pheader->numskins = LittleLong (pinmodel->numskins); pheader->skinwidth = LittleLong (pinmodel->skinwidth); pheader->skinheight = LittleLong (pinmodel->skinheight); if (pheader->skinheight > MAX_LBM_HEIGHT) Con_DWarning ("model %s has a skin taller than %d\n", mod->name, MAX_LBM_HEIGHT); //Spike -- this was always a bogus error in gl renderers. its width*height that really matters. pheader->numverts = LittleLong (pinmodel->numverts); if (pheader->numverts <= 0) Sys_Error ("model %s has no vertices", mod->name); if (pheader->numverts > MAXALIASVERTS) { //Spike -- made this more tollerant. its still an error of course. Con_Warning("model %s has too many vertices (%i > %i)\n", mod->name, pheader->numverts, MAXALIASVERTS); mod->type = mod_ext_invalid; return; } if (pheader->numverts > VANILLA_MAXALIASVERTS) Con_DWarning("model %s exceeds standard vertex limit (%i > %i)\n", mod->name, pheader->numverts, VANILLA_MAXALIASVERTS); pheader->numtris = LittleLong (pinmodel->numtris); if (pheader->numtris <= 0) Sys_Error ("model %s has no triangles", mod->name); if (pheader->numtris > max_triangles) { mtriangle_t *n = malloc(sizeof(*triangles) * pheader->numtris); if (n) { free(triangles); triangles = n; max_triangles = pheader->numtris; } else { max_triangles = 0; //Spike -- added this check, because I'm segfaulting out. Con_Warning("model %s has too many triangles (%i)\n", mod->name, pheader->numtris); mod->type = mod_ext_invalid; return; } } pheader->numframes = LittleLong (pinmodel->numframes); numframes = pheader->numframes; if (numframes < 1) Sys_Error ("Mod_LoadAliasModel: Invalid # of frames: %d\n", numframes); if (numframes > MAXALIASFRAMES) { numframes = MAXALIASFRAMES; Con_Warning("model %s has too many frames (%i > %i)\n", mod->name, numframes, MAXALIASFRAMES); } pheader->size = LittleFloat (pinmodel->size) * ALIAS_BASE_SIZE_RATIO; mod->synctype = (synctype_t) LittleLong (pinmodel->synctype); mod->numframes = pheader->numframes; for (i=0 ; i<3 ; i++) { pheader->scale[i] = LittleFloat (pinmodel->scale[i]); pheader->scale_origin[i] = LittleFloat (pinmodel->scale_origin[i]); pheader->eyeposition[i] = LittleFloat (pinmodel->eyeposition[i]); } // // load the skins // pskintype = (daliasskintype_t *)&pinmodel[1]; pskintype = (daliasskintype_t *) Mod_LoadAllSkins (pheader->numskins, pskintype); // // load base s and t vertices // pinstverts = (stvert_t *)pskintype; for (i=0 ; inumverts ; i++) { stverts[i].onseam = LittleLong (pinstverts[i].onseam); stverts[i].s = LittleLong (pinstverts[i].s); stverts[i].t = LittleLong (pinstverts[i].t); } // // load triangle lists // pintriangles = (dtriangle_t *)&pinstverts[pheader->numverts]; for (i=0 ; inumtris ; i++) { triangles[i].facesfront = LittleLong (pintriangles[i].facesfront); for (j=0 ; j<3 ; j++) { triangles[i].vertindex[j] = LittleLong (pintriangles[i].vertindex[j]); } } // // load the frames // posenum = 0; pframetype = (daliasframetype_t *)&pintriangles[pheader->numtris]; for (i=0 ; itype); if (frametype == ALIAS_SINGLE) pframetype = (daliasframetype_t *) Mod_LoadAliasFrame (pframetype + 1, &pheader->frames[i], pvtype); else pframetype = (daliasframetype_t *) Mod_LoadAliasGroup (pframetype + 1, &pheader->frames[i], pvtype); } pheader->numposes = posenum; pheader->poseverttype = pvtype; //it would be safe to always store PV_QUAKE1 here if you wanted to drop the low-order data. mod->type = mod_alias; Mod_CalcAliasBounds (pheader); //johnfitz //Spike: for setmodel compat with vanilla mod->clipmins[0] = mod->clipmins[1] = mod->clipmins[2] = -16; mod->clipmaxs[0] = mod->clipmaxs[1] = mod->clipmaxs[2] = 16; // // build the draw lists // GL_MakeAliasModelDisplayLists (mod, pheader); GLMesh_LoadVertexBuffer (mod, pheader); // // move the complete, relocatable alias model to the cache // end = Hunk_LowMark (); total = end - start; Cache_Alloc (&mod->cache, total, loadname); if (!mod->cache.data) return; memcpy (mod->cache.data, pheader, total); Hunk_FreeToLowMark (start); } //============================================================================= /* ================= Mod_LoadSpriteFrame ================= */ void * Mod_LoadSpriteFrame (void * pin, mspriteframe_t **ppframe, int framenum, enum srcformat fmt) { dspriteframe_t *pinframe; mspriteframe_t *pspriteframe; int width, height, size, origin[2]; char name[64]; src_offset_t offset; //johnfitz pinframe = (dspriteframe_t *)pin; width = LittleLong (pinframe->width); height = LittleLong (pinframe->height); size = width * height; if (fmt == SRC_RGBA) size *= 4; pspriteframe = (mspriteframe_t *) Hunk_AllocName (sizeof (mspriteframe_t),loadname); *ppframe = pspriteframe; pspriteframe->width = width; pspriteframe->height = height; origin[0] = LittleLong (pinframe->origin[0]); origin[1] = LittleLong (pinframe->origin[1]); pspriteframe->up = origin[1]; pspriteframe->down = origin[1] - height; pspriteframe->left = origin[0]; pspriteframe->right = width + origin[0]; //johnfitz -- image might be padded pspriteframe->smax = (float)width/(float)TexMgr_PadConditional(width); pspriteframe->tmax = (float)height/(float)TexMgr_PadConditional(height); //johnfitz q_snprintf (name, sizeof(name), "%s:frame%i", loadmodel->name, framenum); offset = (src_offset_t)(pinframe+1) - (src_offset_t)mod_base; //johnfitz pspriteframe->gltexture = TexMgr_LoadImage (loadmodel, name, width, height, fmt, (byte *)(pinframe + 1), loadmodel->name, offset, TEXPREF_PAD | TEXPREF_ALPHA | TEXPREF_NOPICMIP); //johnfitz -- TexMgr return (void *)((byte *)pinframe + sizeof (dspriteframe_t) + size); } /* ================= Mod_LoadSpriteGroup ================= */ void * Mod_LoadSpriteGroup (void * pin, mspriteframe_t **ppframe, int framenum, enum srcformat fmt) { dspritegroup_t *pingroup; mspritegroup_t *pspritegroup; int i, numframes; dspriteinterval_t *pin_intervals; float *poutintervals; void *ptemp; float prevtime; pingroup = (dspritegroup_t *)pin; numframes = LittleLong (pingroup->numframes); pspritegroup = (mspritegroup_t *) Hunk_AllocName (sizeof (mspritegroup_t) + (numframes - 1) * sizeof (pspritegroup->frames[0]), loadname); pspritegroup->numframes = numframes; *ppframe = (mspriteframe_t *)pspritegroup; pin_intervals = (dspriteinterval_t *)(pingroup + 1); poutintervals = (float *) Hunk_AllocName (numframes * sizeof (float), loadname); pspritegroup->intervals = poutintervals; for (i=0,prevtime=0 ; iinterval); if (*poutintervals <= 0.0) Sys_Error ("Mod_LoadSpriteGroup: interval<=0"); //Spike -- we need to accumulate the previous time too, so we get actual timestamps, otherwise spritegroups won't animate (vanilla bug). prevtime = *poutintervals = prevtime+*poutintervals; poutintervals++; pin_intervals++; } ptemp = (void *)pin_intervals; for (i=0 ; iframes[i], framenum * 100 + i, fmt); } return ptemp; } /* ================= Mod_LoadSpriteModel ================= */ void Mod_LoadSpriteModel (qmodel_t *mod, void *buffer) { int i; int version; dsprite_t *pin; msprite_t *psprite; int numframes; int size; dspriteframetype_t *pframetype; enum srcformat fmt = SRC_INDEXED; pin = (dsprite_t *)buffer; mod_base = (byte *)buffer; //johnfitz version = LittleLong (pin->version); if (version == 32) fmt = SRC_RGBA; //Spike -- spr32 is identical to regular sprites, but uses rgba instead of indexed values. should probably also blend these sprites instead of alphatest, but meh. else if (version != SPRITE_VERSION) { //Spike -- made this more tolerant. its still an error, it just won't crash us out Con_Printf( "%s has wrong version number " "(%i should be %i)\n", mod->name, version, SPRITE_VERSION); mod->type = mod_ext_invalid; return; } numframes = LittleLong (pin->numframes); size = sizeof (msprite_t) + (numframes - 1) * sizeof (psprite->frames); psprite = (msprite_t *) Hunk_AllocName (size, loadname); mod->cache.data = psprite; psprite->type = LittleLong (pin->type); psprite->maxwidth = LittleLong (pin->width); psprite->maxheight = LittleLong (pin->height); psprite->beamlength = LittleFloat (pin->beamlength); mod->synctype = (synctype_t) LittleLong (pin->synctype); psprite->numframes = numframes; mod->mins[0] = mod->mins[1] = -psprite->maxwidth/2; mod->maxs[0] = mod->maxs[1] = psprite->maxwidth/2; mod->mins[2] = -psprite->maxheight/2; mod->maxs[2] = psprite->maxheight/2; VectorCopy(mod->mins, mod->clipmins); VectorCopy(mod->maxs, mod->clipmaxs); // // load the frames // if (numframes < 1) Sys_Error ("Mod_LoadSpriteModel: Invalid # of frames: %d\n", numframes); mod->numframes = numframes; pframetype = (dspriteframetype_t *)(pin + 1); for (i=0 ; itype); psprite->frames[i].type = frametype; if (frametype == SPR_SINGLE) { pframetype = (dspriteframetype_t *) Mod_LoadSpriteFrame (pframetype + 1, &psprite->frames[i].frameptr, i, fmt); } else { pframetype = (dspriteframetype_t *) Mod_LoadSpriteGroup (pframetype + 1, &psprite->frames[i].frameptr, i, fmt); } } mod->type = mod_sprite; } //============================================================================= /* ================ Mod_Print ================ */ void Mod_Print (void) { int i; qmodel_t *mod; Con_SafePrintf ("Cached models:\n"); //johnfitz -- safeprint instead of print for (i=0, mod=mod_known ; i < mod_numknown ; i++, mod++) { Con_SafePrintf ("%8p : %s\n", mod->cache.data, mod->name); //johnfitz -- safeprint instead of print } Con_Printf ("%i models\n",mod_numknown); //johnfitz -- print the total too }