/* Copyright (C) 1996-1997 Id Software, Inc. 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" model_t *loadmodel; char loadname[32]; // for hunk tags void Mod_LoadSpriteModel (model_t *mod, void *buffer); void Mod_LoadBrushModel (model_t *mod, void *buffer); void Mod_LoadAliasModel (model_t *mod, void *buffer); model_t *Mod_LoadModel (model_t *mod, qboolean crash); byte mod_novis[MAX_MAP_LEAFS/8]; extern model_t mod_known[MAX_MOD_KNOWN]; extern int mod_numknown; cvar_t gl_subdivide_size = {"gl_subdivide_size", "16", true}; #define MAX_SPRITEFRAMES 64 #define TESPRITEHEADER (('P'<<24)+('S'<<16)+('E'<<8)+'T') /* =============== Mod_Init =============== */ void Mod_Init (void) { Cvar_RegisterVariable (&gl_subdivide_size); memset (mod_novis, 0xff, sizeof(mod_novis)); } /* =============== Mod_Init Caches the data if needed =============== */ void *Mod_Extradata (model_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, model_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 & CONTENTS_LEAF) 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, model_t *model) { static byte decompressed[MAX_MAP_LEAFS/8]; int c; byte *out; int row; row = (model->numleafs+7)>>3; out = decompressed; #if 0 memcpy (out, in, row); #else if (!in) { // no vis info, so make all visible while (row) { *out++ = 0xff; row--; } return decompressed; } do { if (*in) { *out++ = *in++; continue; } c = in[1]; in += 2; while (c) { *out++ = 0; c--; } } while (out - decompressed < row); #endif return decompressed; } byte *Mod_LeafPVS (mleaf_t *leaf, model_t *model) { if (!model->visdata) return mod_novis; return &model->visdata[leaf->cluster*model->clusterlen]; // if (leaf == model->leafs) // return mod_novis; // return Mod_DecompressVis (leaf->compressed_vis, model); } /* =================== Mod_ClearAll =================== */ void Mod_ClearAll (void) { int i; model_t *mod; for (i=0 , mod=mod_known ; itype != mod_alias) mod->needload = true; } /* ================== Mod_FindName ================== */ model_t *Mod_FindName (char *name) { int i; model_t *mod; if (!name[0]) Sys_Error ("Mod_ForName: NULL name"); // // 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"); strcpy (mod->name, name); mod->needload = true; mod_numknown++; } return mod; } /* ================== Mod_TouchModel ================== */ void Mod_TouchModel (char *name) { model_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 ================== */ model_t *Mod_LoadModel (model_t *mod, qboolean crash) { void *d; unsigned *buf; byte stackbuf[1024]; // avoid dirtying the cache heap if (!mod->needload) { if (mod->type == mod_alias) { d = Cache_Check (&mod->cache); if (d) return mod; } else return mod; // not cached at all } // // because the world is so huge, load it one piece at a time // if (!crash) { } // // load the file // buf = (unsigned *)COM_LoadStackFile (mod->name, stackbuf, sizeof(stackbuf)); if (!buf) { if (crash) Sys_Error ("Mod_NumForName: %s not found", mod->name); return NULL; } // // allocate a new model // COM_FileBase (mod->name, loadname); loadmodel = mod; // // fill it in // // call the apropriate loader mod->needload = false; switch (LittleLong(*(unsigned *)buf)) { //XYZ case MD3_IDENT: Mod_LoadMd3Model (mod, buf); break; case TEKEYFRAMEHEADER: Mod_LoadTenebraeKeyframeModel (mod, buf); break; case IDPOLYHEADER: Mod_LoadAliasModel (mod, buf); break; case TESPRITEHEADER: Mod_LoadSpriteModel (mod, buf); break; case IDQ3BSPHEADER: is_q3map = true; Con_Printf("Loading q3 map\n"); ModQ3_LoadBrushModel(mod, buf); break; default: Sys_Error("Unknown model type %s\n",loadname); break; } /* default: is_q3map = false; Mod_LoadBrushModel (mod, buf); break; } */ return mod; } void Mod_OverrideMd3 (char *name, char *target) { if (!strcmp(name,"progs/player.mdl")) // strcpy (target,"model/player"); strcpy (target,name); else strcpy (target,name); } /* ================== Mod_ForName Loads in a model for the given name ================== */ model_t *Mod_ForName (char *name, qboolean crash) { model_t *mod; char target[MAX_OSPATH]; // override mdl for md3 if possible Mod_OverrideMd3 (name,target); mod = Mod_FindName (target); return Mod_LoadModel (mod, crash); } /* =============================================================================== BRUSHMODEL LOADING =============================================================================== */ byte *mod_base; /* ================= Mod_LoadTextures ================= */ /* void Mod_LoadTextures (lump_t *l) { int i, j, pixels, num, max, altmax; miptex_t *mt; texture_t *tx, *tx2; texture_t *anims[10]; texture_t *altanims[10]; dmiptexlump_t *m; if (!l->filelen) { loadmodel->textures = NULL; return; } m = (dmiptexlump_t *)(mod_base + l->fileofs); m->nummiptex = LittleLong (m->nummiptex); loadmodel->numtextures = m->nummiptex; loadmodel->textures = Hunk_AllocName (m->nummiptex * sizeof(*loadmodel->textures) , loadname); for (i=0 ; inummiptex ; i++) { m->dataofs[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); pixels = mt->width*mt->height/64*85; tx = 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 memcpy ( tx+1, mt+1, pixels); if (!Q_strncmp(mt->name,"sky",3)) R_InitSky (tx); else { texture_mode = GL_LINEAR_MIPMAP_NEAREST; //_LINEAR; tx->gl_texturenum = GL_LoadTexture (mt->name, tx->width, tx->height, (byte *)(tx+1), true, false, true); tx->gl_lumitex = GL_LoadLuma (mt->name, true); texture_mode = GL_LINEAR; } } // // sequence the animations // for (i=0 ; inummiptex ; i++) { tx = loadmodel->textures[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)); max = tx->name[1]; altmax = 0; if (max >= 'a' && max <= 'z') max -= 'a' - 'A'; if (max >= '0' && max <= '9') { max -= '0'; altmax = 0; anims[max] = tx; max++; } else if (max >= 'A' && max <= 'J') { altmax = max - 'A'; max = 0; altanims[altmax] = tx; altmax++; } else Sys_Error ("Bad animating texture %s", tx->name); for (j=i+1 ; jnummiptex ; j++) { tx2 = loadmodel->textures[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 > max) max = 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 = max * ANIM_CYCLE; tx2->anim_min = j * ANIM_CYCLE; tx2->anim_max = (j+1) * ANIM_CYCLE; tx2->anim_next = anims[ (j+1)%max ]; 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 (max) tx2->alternate_anims = anims[0]; } } } */ /* ================= Mod_LoadLighting ================= *//* void Mod_LoadLighting (lump_t *l) { if (!l->filelen) { loadmodel->lightdata = NULL; return; } loadmodel->lightdata = Hunk_AllocName ( l->filelen, loadname); memcpy (loadmodel->lightdata, mod_base + l->fileofs, l->filelen); } */ /* ================= Mod_LoadVisibility ================= *//* void Mod_LoadVisibility (lump_t *l) { if (!l->filelen) { loadmodel->visdata = NULL; return; } loadmodel->visdata = Hunk_AllocName ( l->filelen, loadname); memcpy (loadmodel->visdata, mod_base + l->fileofs, l->filelen); } */ /* ================= Mod_LoadEntities ================= *//* void Mod_LoadEntities (lump_t *l) { FILE *f; char filename[MAX_OSPATH]; int flength; sprintf(filename,"maps/%s.edo",loadname); flength = COM_FOpenFile(filename,&f); if (f) { loadmodel->entities = Hunk_AllocName (flength, loadname); fread(loadmodel->entities, 1, flength, f); fclose(f); return; } if (!l->filelen) { loadmodel->entities = NULL; return; } loadmodel->entities = Hunk_AllocName ( l->filelen, loadname); memcpy (loadmodel->entities, mod_base + l->fileofs, l->filelen); } */ /* ================= Mod_LoadVertexes ================= *//* void Mod_LoadVertexes (lump_t *l) { dvertex_t *in; mvertex_t *out; int i, count; in = (void *)(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 = 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_LoadSubmodels ================= *//* void Mod_LoadSubmodels (lump_t *l) { dmodel_t *in; dmodel_t *out; int i, j, count; in = (void *)(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 = 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[j] = LittleLong (in->headnode[j]); out->visleafs = LittleLong (in->visleafs); out->firstface = LittleLong (in->firstface); out->numfaces = LittleLong (in->numfaces); } } */ /* ================= Mod_LoadEdges ================= *//* void Mod_LoadEdges (lump_t *l) { dedge_t *in; medge_t *out; int i, count; in = (void *)(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 = 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; int miptex; float len1, len2; in = (void *)(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 = Hunk_AllocName ( count*sizeof(*out), loadname); loadmodel->texinfo = out; loadmodel->numtexinfo = count; for ( i=0 ; ivecs[0][j] = LittleFloat (in->vecs[0][j]); len1 = Length (out->vecs[0]); len2 = Length (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); if (!loadmodel->textures) { out->texture = r_notexture_mip; // checkerboard texture out->flags = 0; } else { if (miptex >= loadmodel->numtextures) Sys_Error ("miptex >= loadmodel->numtextures"); out->texture = loadmodel->textures[miptex]; if (!out->texture) { out->texture = r_notexture_mip; // texture not found out->flags = 0; } } } } */ /* ================ 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]; mins[0] = mins[1] = 999999; maxs[0] = maxs[1] = -99999; 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++) { val = v->position[0] * tex->vecs[j][0] + v->position[1] * tex->vecs[j][1] + v->position[2] * tex->vecs[j][2] + tex->vecs[j][3]; if (val < mins[j]) mins[j] = val; if (val > maxs[j]) maxs[j] = val; } } for (i=0 ; i<2 ; i++) { bmins[i] = floor(mins[i]/16); bmaxs[i] = ceil(maxs[i]/16); s->texturemins[i] = bmins[i] * 16; s->extents[i] = (bmaxs[i] - bmins[i]) * 16; if ( !(tex->flags & TEX_SPECIAL) && s->extents[i] > 512 ) Sys_Error ("Bad surface extents"); } } */ /* ================= Mod_LoadFaces ================= *//* void Mod_LoadFaces (lump_t *l) { dface_t *in; msurface_t *out; int i, count, surfnum; int planenum, side; in = (void *)(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 = Hunk_AllocName ( count*sizeof(*out), loadname); loadmodel->surfaces = out; loadmodel->numsurfaces = count; for ( surfnum=0 ; surfnumfirstedge = LittleLong(in->firstedge); out->numedges = LittleShort(in->numedges); //Con_Printf("edges %d",out->numedges); out->flags = 0; planenum = LittleShort(in->planenum); side = LittleShort(in->side); if (side) out->flags |= SURF_PLANEBACK; out->plane = loadmodel->planes + planenum; out->texinfo = loadmodel->texinfo + LittleShort (in->texinfo); CalcSurfaceExtents (out); // lighting info for (i=0 ; istyles[i] = in->styles[i]; i = LittleLong(in->lightofs); if (i == -1) out->samples = NULL; else out->samples = loadmodel->lightdata + i; // set the drawing flags flag if (!Q_strncmp(out->texinfo->texture->name,"sky",3)) // sky { out->flags |= (SURF_DRAWSKY | SURF_DRAWTILED); #ifndef QUAKE2 GL_SubdivideSurface (out); // cut up polygon for warps #endif continue; } if (!Q_strncmp(out->texinfo->texture->name,"*",1)) // turbulent { out->flags |= (SURF_DRAWTURB | SURF_DRAWTILED); for (i=0 ; i<2 ; i++) { out->extents[i] = 16384; out->texturemins[i] = -8192; } GL_SubdivideSurface (out); // cut up polygon for warps if (strstr (out->texinfo->texture->name, "water")) { if (strstr (out->texinfo->texture->name, "mirror") || mir_forcewater.value) out->flags |= SURF_MIRROR; } if (strstr (out->texinfo->texture->name, "glass")) { out->flags |= SURF_GLASS; if (strstr (out->texinfo->texture->name, "mirror")) out->flags |= SURF_MIRROR; //Fix caustics in glass out->flags &= ~SURF_UNDERWATER; } //Fix caustics in teleports if (strstr (out->texinfo->texture->name, "teleport")) { out->flags &= ~SURF_UNDERWATER; } } if (strstr (out->texinfo->texture->name, "mirror")) { out->flags |= SURF_MIRROR; } //XYZ if (strstr (out->texinfo->texture->name, "caulk")) { out->flags |= SURF_CAULK; } } } */ /* ================= Mod_SetParent ================= *//* void Mod_SetParent (mnode_t *node, mnode_t *parent) { node->parent = parent; if (node->contents & CONTENTS_LEAF) return; Mod_SetParent (node->children[0], node); Mod_SetParent (node->children[1], node); } */ /* ================= Mod_LoadNodes ================= *//* void Mod_LoadNodes (lump_t *l) { int i, j, count, p; dnode_t *in; mnode_t *out; in = (void *)(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 = 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 = LittleShort (in->firstface); out->numsurfaces = LittleShort (in->numfaces); for (j=0 ; j<2 ; j++) { p = LittleShort (in->children[j]); if (p >= 0) out->children[j] = loadmodel->nodes + p; else out->children[j] = (mnode_t *)(loadmodel->leafs + (-1 - p)); } } Mod_SetParent (loadmodel->nodes, NULL); // sets nodes and leafs } */ /* ================= Mod_LoadLeafs ================= *//* void Mod_LoadLeafs (lump_t *l) { dleaf_t *in; mleaf_t *out; int i, j, count, p; in = (void *)(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 = 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 + LittleShort(in->firstmarksurface); out->nummarksurfaces = LittleShort(in->nummarksurfaces); 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]; // gl underwater warp if (out->contents & CONTENTS_WATER) { qboolean iswater = true; for (j=0 ; jnummarksurfaces ; j++) { //no caustics in glass & teleports if ((strstr(out->firstmarksurface[j]->texinfo->texture->name,"teleport")) || (strstr(out->firstmarksurface[j]->texinfo->texture->name,"glass"))) { iswater = false; } } if (iswater) for (j=0 ; jnummarksurfaces ; j++) { out->firstmarksurface[j]->flags |= SURF_UNDERWATER; } } //XYZ { int newnum = out->nummarksurfaces; for (j=0; jnummarksurfaces; j++) { if (out->firstmarksurface[j]->flags & SURF_CAULK) { out->firstmarksurface[j] = NULL; } } newnum = 0; for (j=0; jnummarksurfaces; j++) { if (out->firstmarksurface[j] != NULL) { out->firstmarksurface[newnum] = out->firstmarksurface[j]; newnum++; } } out->nummarksurfaces = newnum; } //end XYZ //PENTA: is key used somewhere, and what does it do //searching for key revealed nothing so i use it as the index of this leaf out->index = i; } } */ /* ================= Mod_LoadClipnodes ================= *//* void Mod_LoadClipnodes (lump_t *l) { dclipnode_t *in, *out; int i, count; hull_t *hull; in = (void *)(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 = Hunk_AllocName ( count*sizeof(*out), loadname); 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; for (i=0 ; iplanenum = LittleLong(in->planenum); out->children[0] = LittleShort(in->children[0]); out->children[1] = LittleShort(in->children[1]); } } */ /* ================= Mod_MakeHull0 Deplicate the drawing hull structure as a clipping hull ================= *//* void Mod_MakeHull0 (void) { mnode_t *in, *child; dclipnode_t *out; int i, j, count; hull_t *hull; hull = &loadmodel->hulls[0]; in = loadmodel->nodes; count = loadmodel->numnodes; out = 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 & CONTENTS_LEAF) out->children[j] = child->contents; else out->children[j] = child - loadmodel->nodes; } } } */ /* ================= Mod_LoadMarksurfaces ================= *//* void Mod_LoadMarksurfaces (lump_t *l) { int i, j, count; short *in; msurface_t **out; in = (void *)(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 = Hunk_AllocName ( count*sizeof(*out), loadname); loadmodel->marksurfaces = out; loadmodel->nummarksurfaces = count; for ( i=0 ; i= loadmodel->numsurfaces) Sys_Error ("Mod_ParseMarksurfaces: bad surface number"); out[i] = loadmodel->surfaces + j; } } */ /* ================= Mod_LoadSurfedges ================= *//* void Mod_LoadSurfedges (lump_t *l) { int i, count; int *in, *out; in = (void *)(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 = 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 = 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 Length (corner); } /* ================= Mod_LoadBrushModel ================= *//* void Mod_LoadBrushModel (model_t *mod, void *buffer) { int i, j; dheader_t *header; dmodel_t *bm; loadmodel->type = mod_brush; header = (dheader_t *)buffer; i = LittleLong (header->version); if (i != BSPVERSION) Sys_Error ("Mod_LoadBrushModel: %s has wrong version number (%i should be %i)", mod->name, i, BSPVERSION); // swap all the lumps mod_base = (byte *)header; for (i=0 ; ilumps[LUMP_VERTEXES]); Mod_LoadEdges (&header->lumps[LUMP_EDGES]); 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_LoadFaces (&header->lumps[LUMP_FACES]); Mod_LoadMarksurfaces (&header->lumps[LUMP_MARKSURFACES]); Mod_LoadVisibility (&header->lumps[LUMP_VISIBILITY]); Mod_LoadLeafs (&header->lumps[LUMP_LEAFS]); Mod_LoadNodes (&header->lumps[LUMP_NODES]); Mod_LoadClipnodes (&header->lumps[LUMP_CLIPNODES]); Mod_LoadEntities (&header->lumps[LUMP_ENTITIES]); Mod_LoadSubmodels (&header->lumps[LUMP_MODELS]); Mod_MakeHull0 (); mod->numframes = 2; // regular and alternate animation // // set up the submodels (FIXME: this is confusing) // 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]; 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); mod->radius = RadiusFromBounds (mod->mins, mod->maxs); 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; } } } */ /* ============================================================================== ALIAS MODELS ============================================================================== */ aliashdr_t *pheader; stvert_t stverts[MAXALIASVERTS]; mtriangle_t triangles[MAXALIASTRIS]; // a pose is a single set of vertexes. a frame may be // an animating sequence of poses trivertx_t *poseverts[MAXALIASFRAMES]; int posenum; byte **player_8bit_texels_tbl; byte *player_8bit_texels; int aliasbboxmins[3], aliasbboxmaxs[3]; /* ================= Mod_LoadAliasFrame ================= */ void * Mod_LoadAliasFrame (void * pin, maliasframedesc_t *frame) { trivertx_t *pinframe; int i; daliasframe_t *pdaliasframe; pdaliasframe = (daliasframe_t *)pin; strcpy (frame->name, pdaliasframe->name); frame->firstpose = posenum; frame->numposes = 1; // these are byte values, so we don't have to worry about // endianness for (i=0 ; i<3 ; i++) { frame->bboxmin.v[i] = pdaliasframe->bboxmin.v[i]; frame->bboxmax.v[i] = pdaliasframe->bboxmax.v[i]; aliasbboxmins[i] = min (frame->bboxmin.v[i], aliasbboxmins[i]); aliasbboxmaxs[i] = max (frame->bboxmax.v[i], aliasbboxmaxs[i]); } pinframe = (trivertx_t *)(pdaliasframe + 1); poseverts[posenum] = pinframe; posenum++; pinframe += pheader->numverts; return (void *)pinframe; } /* ================= Mod_LoadAliasGroup ================= */ void *Mod_LoadAliasGroup (void * pin, maliasframedesc_t *frame) { 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]; aliasbboxmins[i] = min (frame->bboxmin.v[i], aliasbboxmins[i]); aliasbboxmaxs[i] = max (frame->bboxmax.v[i], aliasbboxmaxs[i]); } pin_intervals = (daliasinterval_t *)(pingroup + 1); frame->interval = LittleFloat (pin_intervals->interval); pin_intervals += numframes; ptemp = (void *)pin_intervals; for (i=0 ; inumverts; } return ptemp; } //========================================================= /* =============== Mod_LoadAllSkins =============== */ void *Mod_LoadAllSkins (int numskins, daliasskintype_t *pskintype) { int i, j, k; char name[32]; int s; byte *skin; byte *texels; daliasskingroup_t *pinskingroup; int groupskins; daliasskininterval_t *pinskinintervals; skin = (byte *)(pskintype + 1); if (numskins < 1 || numskins > MAX_SKINS) Sys_Error ("Mod_LoadAliasModel: Invalid # of skins: %d\n", numskins); s = pheader->skinwidth * pheader->skinheight; for (i=0 ; itype == ALIAS_SKIN_SINGLE) { texels = Hunk_AllocName(s, loadname); pheader->texels[i] = texels - (byte *)pheader; memcpy (texels, (byte *)(pskintype + 1), s); pskintype = (daliasskintype_t *)((byte *)(pskintype+1) + s); } else { // animating skin group. yuck. pskintype++; pinskingroup = (daliasskingroup_t *)pskintype; groupskins = LittleLong (pinskingroup->numskins); pinskinintervals = (daliasskininterval_t *)(pinskingroup + 1); pskintype = (void *)(pinskinintervals + groupskins); for (j=0 ; jtexels[i] = texels - (byte *)pheader; memcpy (texels, (byte *)(pskintype), s); } pskintype = (daliasskintype_t *)((byte *)(pskintype) + s); } k = j; } } return (void *)pskintype; } //========================================================================= /* ================= Mod_LoadAliasModel ================= */ void Mod_LoadAliasModel (model_t *mod, void *buffer) { 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; alias3data_t *palias3; char shadername[128]; start = Hunk_LowMark (); pinmodel = (mdl_t *)buffer; version = LittleLong (pinmodel->version); if (version != ALIAS_VERSION) Sys_Error ("%s has wrong version number (%i should be %i)", mod->name, version, ALIAS_VERSION); size = sizeof (alias3data_t); palias3 = Hunk_AllocName (size, loadname); palias3->numSurfaces = 1; // // 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 = Hunk_AllocName (size, loadname); palias3->ofsSurfaces[0] = (int)((char*)pheader - (char*)palias3); mod->flags = LittleLong (pinmodel->flags); // // endian-adjust and copy the data, starting with the alias model header // pheader->ident = MD3_IDENT; 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) Sys_Error ("model %s has a skin taller than %d", mod->name, MAX_LBM_HEIGHT); pheader->numverts = LittleLong (pinmodel->numverts); if (pheader->numverts <= 0) Sys_Error ("model %s has no vertices", mod->name); if (pheader->numverts > MAXALIASVERTS) Sys_Error ("model %s has too many vertices", mod->name); pheader->numtris = LittleLong (pinmodel->numtris); if (pheader->numtris <= 0) Sys_Error ("model %s has no triangles", mod->name); pheader->numframes = LittleLong (pinmodel->numframes); numframes = pheader->numframes; if (numframes < 1) Sys_Error ("Mod_LoadAliasModel: Invalid # of frames: %d\n", numframes); pheader->size = LittleFloat (pinmodel->size) * ALIAS_BASE_SIZE_RATIO; mod->synctype = 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 = Mod_LoadAllSkins (pheader->numskins, pskintype); //load a hard coded skin sprintf(shadername,"textures/skins/%s",loadname); pheader->shader = GL_ShaderForName(shadername); // // 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]; aliasbboxmins[0] = aliasbboxmins[1] = aliasbboxmins[2] = 99999; aliasbboxmaxs[0] = aliasbboxmaxs[1] = aliasbboxmaxs[2] = -99999; for (i=0 ; itype); if (frametype == ALIAS_SINGLE) { pframetype = (daliasframetype_t *) Mod_LoadAliasFrame (pframetype + 1, &pheader->frames[i]); } else { pframetype = (daliasframetype_t *) Mod_LoadAliasGroup (pframetype + 1, &pheader->frames[i]); } } pheader->numposes = posenum; mod->type = mod_alias; // FIXME: do this right for (i = 0; i < 3; i++) { mod->mins[i] = aliasbboxmins[i] * pheader->scale[i] + pheader->scale_origin[i]; mod->maxs[i] = aliasbboxmaxs[i] * pheader->scale[i] + pheader->scale_origin[i]; pheader->mins[i] = mod->mins[i]; pheader->maxs[i] = mod->maxs[i]; } mod->radius = RadiusFromBounds (mod->mins, mod->maxs); // // build the draw lists // GL_MakeAliasModelDisplayLists (mod, pheader); if (!strcmp (mod->name, "progs/flame2.mdl") || !strcmp (mod->name, "progs/flame.mdl") || !strcmp (mod->name, "progs/lavaball.mdl") || !strcmp (mod->name, "progs/laser.mdl") || !strcmp (mod->name, "progs/k_spike.mdl") || !strcmp (mod->name, "progs/bolt.mdl") || !strcmp (mod->name, "progs/bolt2.mdl") || !strcmp (mod->name, "progs/bolt3.mdl")) { mod->flags |= EF_FULLBRIGHT; } if (!strcmp (mod->name, "progs/flame2.mdl") || !strcmp (mod->name, "progs/flame.mdl") || !strcmp (mod->name, "progs/laser.mdl") || !strcmp (mod->name, "progs/bolt.mdl") || !strcmp (mod->name, "progs/bolt2.mdl") || !strcmp (mod->name, "progs/bolt3.mdl")) { mod->flags |= EF_NOSHADOW; } // // 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, palias3, total); Hunk_FreeToLowMark (start); } //============================================================================= /* ================= Mod_LoadSpriteFrame ================= *//* void * Mod_LoadSpriteFrame (void * pin, mspriteframe_t **ppframe, int framenum) { dspriteframe_t *pinframe; mspriteframe_t *pspriteframe; int width, height, size, origin[2]; char name[64]; pinframe = (dspriteframe_t *)pin; width = LittleLong (pinframe->width); height = LittleLong (pinframe->height); size = width * height; pspriteframe = Hunk_AllocName (sizeof (mspriteframe_t),loadname); Q_memset (pspriteframe, 0, sizeof (mspriteframe_t)); *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]; sprintf (name, "%s_%i", loadmodel->name, framenum); pspriteframe->gl_texturenum = 0;//GL_LoadTexture (name, width, height, (byte *)(pinframe + 1), true, true, false); return (void *)((byte *)pinframe + sizeof (dspriteframe_t) + size); } */ /* ================= Mod_LoadSpriteGroup ================= *//* void * Mod_LoadSpriteGroup (void * pin, mspriteframe_t **ppframe, int framenum) { dspritegroup_t *pingroup; mspritegroup_t *pspritegroup; int i, numframes; dspriteinterval_t *pin_intervals; float *poutintervals; void *ptemp; pingroup = (dspritegroup_t *)pin; numframes = LittleLong (pingroup->numframes); pspritegroup = 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 = Hunk_AllocName (numframes * sizeof (float), loadname); pspritegroup->intervals = poutintervals; for (i=0 ; iinterval); if (*poutintervals <= 0.0) Sys_Error ("Mod_LoadSpriteGroup: interval<=0"); poutintervals++; pin_intervals++; } ptemp = (void *)pin_intervals; for (i=0 ; iframes[i], framenum * 100 + i); } return ptemp; } */ /* ================= Mod_LoadSpriteModel ================= */ void Mod_LoadSpriteModel (model_t *mod, void*buffer) { char *data = buffer; int framenum = 0; int width[MAX_SPRITEFRAMES]; int height[MAX_SPRITEFRAMES]; char names[MAX_SPRITEFRAMES][MAX_QPATH]; msprite_t *psprite; int size, i; // Parse information out of script data = COM_SkipLine(data); //Skip rest of the first line while ((data) && (framenum < MAX_SPRITEFRAMES)) { data = COM_Parse (data); //Shader name strncpy(names[framenum], com_token, MAX_QPATH); data = COM_Parse (data); //Width width[framenum] = atoi(com_token); data = COM_Parse (data); //Height height[framenum] = atoi(com_token); framenum++; } // Make a sprite of it size = sizeof (msprite_t) + (framenum - 1) * sizeof(mspriteframe_t); psprite = Hunk_AllocName (size, loadname); mod->cache.data = psprite; psprite->numframes = framenum; psprite->maxwidth = 0; psprite->maxheight = 0; for (i=0; iframes[i].width = width[i]; psprite->frames[i].height = height[i]; psprite->frames[i].left = -(width[i]/2.0f); psprite->frames[i].right = (width[i]/2.0f); psprite->frames[i].up = (height[i]/2.0f); psprite->frames[i].down = -(height[i]/2.0f); psprite->frames[i].shader = GL_ShaderForName(names[i]); if (width[i] > psprite->maxwidth) psprite->maxwidth = width[i]; if (height[i] > psprite->maxheight) psprite->maxheight = height[i]; } 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; mod->numframes = framenum; mod->type = mod_sprite; } //============================================================================= /* ================ Mod_Print ================ */ void Mod_Print (void) { int i; model_t *mod; Con_Printf ("Cached models:\n"); for (i=0, mod=mod_known ; i < mod_numknown ; i++, mod++) { Con_Printf ("%8p : %s\n",mod->cache.data, mod->name); } }