2 Copyright (C) 1996-1997 Id Software, Inc.
4 This program is free software; you can redistribute it and/or
5 modify it under the terms of the GNU General Public License
6 as published by the Free Software Foundation; either version 2
7 of the License, or (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 See the GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 // models.c -- model loading and caching
22 // models are the only shared resource between a client and server running
23 // on the same machine.
29 // LordHavoc: increased from 512 to 2048
30 #define MAX_MOD_KNOWN 2048
31 static model_t mod_known[MAX_MOD_KNOWN];
33 rtexture_t *r_notexture;
34 rtexturepool_t *r_notexturepool;
36 texture_t r_surf_notexture;
38 void Mod_SetupNoTexture(void)
43 // this makes a light grey/dark grey checkerboard texture
44 for (y = 0;y < 16;y++)
46 for (x = 0;x < 16;x++)
48 if ((y < 8) ^ (x < 8))
65 r_notexturepool = R_AllocTexturePool();
66 r_notexture = R_LoadTexture(r_notexturepool, "notexture", 16, 16, &pix[0][0][0], TEXTYPE_RGBA, TEXF_MIPMAP);
69 static void mod_start(void)
72 for (i = 0;i < MAX_MOD_KNOWN;i++)
73 if (mod_known[i].name[0])
74 Mod_UnloadModel(&mod_known[i]);
79 static void mod_shutdown(void)
82 for (i = 0;i < MAX_MOD_KNOWN;i++)
83 if (mod_known[i].name[0])
84 Mod_UnloadModel(&mod_known[i]);
86 R_FreeTexturePool(&r_notexturepool);
89 static void mod_newmap(void)
98 static void Mod_Print (void);
99 static void Mod_Flush (void);
106 Cmd_AddCommand ("modellist", Mod_Print);
107 Cmd_AddCommand ("modelflush", Mod_Flush);
110 void Mod_RenderInit(void)
112 R_RegisterModule("Models", mod_start, mod_shutdown, mod_newmap);
115 void Mod_FreeModel (model_t *mod)
117 R_FreeTexturePool(&mod->texturepool);
118 Mem_FreePool(&mod->mempool);
120 // clear the struct to make it available
121 memset(mod, 0, sizeof(model_t));
124 void Mod_UnloadModel (model_t *mod)
126 char name[MAX_QPATH];
127 qboolean isworldmodel;
128 strcpy(name, mod->name);
129 isworldmodel = mod->isworldmodel;
131 strcpy(mod->name, name);
132 mod->isworldmodel = isworldmodel;
133 mod->needload = true;
143 static model_t *Mod_LoadModel (model_t *mod, qboolean crash, qboolean checkdisk, qboolean isworldmodel)
150 if (mod->name[0] == '*') // submodel
159 buf = COM_LoadFile (mod->name, false);
163 Host_Error ("Mod_LoadModel: %s not found", mod->name); // LordHavoc: Sys_Error was *ANNOYING*
167 crc = CRC_Block(buf, com_filesize);
172 if (mod->crc == crc && mod->isworldmodel == isworldmodel)
176 return mod; // already loaded
180 Con_DPrintf("loading model %s\n", mod->name);
184 buf = COM_LoadFile (mod->name, false);
188 Host_Error ("Mod_LoadModel: %s not found", mod->name);
191 crc = CRC_Block(buf, com_filesize);
194 // allocate a new model
197 // LordHavoc: unload the existing model in this slot (if there is one)
198 Mod_UnloadModel(mod);
199 mod->isworldmodel = isworldmodel;
200 mod->needload = false;
204 // all models use memory, so allocate a memory pool
205 mod->mempool = Mem_AllocPool(mod->name);
206 // all models load textures, so allocate a texture pool
207 if (cls.state != ca_dedicated)
208 mod->texturepool = R_AllocTexturePool();
210 // call the apropriate loader
211 if (!memcmp(buf, "IDPO" , 4)) Mod_LoadAliasModel (mod, buf);
212 else if (!memcmp(buf, "IDP2" , 4)) Mod_LoadQ2AliasModel(mod, buf);
213 else if (!memcmp(buf, "ZYMOTIC" , 7)) Mod_LoadZymoticModel(mod, buf);
214 else if (!memcmp(buf, "IDSP" , 4)) Mod_LoadSpriteModel (mod, buf);
215 else Mod_LoadBrushModel (mod, buf);
222 void Mod_CheckLoaded (model_t *mod)
227 Mod_LoadModel(mod, true, true, mod->isworldmodel);
230 if (mod->type == mod_invalid)
231 Host_Error("Mod_CheckLoaded: invalid model\n");
243 void Mod_ClearAll (void)
247 void Mod_ClearUsed(void)
252 for (i = 0, mod = mod_known;i < MAX_MOD_KNOWN;i++, mod++)
257 void Mod_PurgeUnused(void)
262 for (i = 0, mod = mod_known;i < MAX_MOD_KNOWN;i++, mod++)
274 model_t *Mod_FindName (char *name)
277 model_t *mod, *freemod;
280 Host_Error ("Mod_ForName: NULL name");
282 // search the currently loaded models
284 for (i = 0, mod = mod_known;i < MAX_MOD_KNOWN;i++, mod++)
288 if (!strcmp (mod->name, name))
294 else if (freemod == NULL)
301 strcpy (mod->name, name);
302 mod->needload = true;
307 Host_Error ("Mod_FindName: ran out of models\n");
317 void Mod_TouchModel (char *name)
321 mod = Mod_FindName (name);
329 Loads in a model for the given name
332 model_t *Mod_ForName (char *name, qboolean crash, qboolean checkdisk, qboolean isworldmodel)
334 return Mod_LoadModel (Mod_FindName (name), crash, checkdisk, isworldmodel);
340 //=============================================================================
347 static void Mod_Print (void)
352 Con_Printf ("Loaded models:\n");
353 for (i = 0, mod = mod_known;i < MAX_MOD_KNOWN;i++, mod++)
355 Con_Printf ("%4iK %s\n", mod->mempool ? (mod->mempool->totalsize + 1023) / 1024 : 0, mod->name);
358 static void Mod_Flush (void)
362 Con_Printf ("Unloading models\n");
363 for (i = 0;i < MAX_MOD_KNOWN;i++)
364 if (mod_known[i].name[0])
365 Mod_UnloadModel(&mod_known[i]);