- if (version != ALIAS_VERSION && version != ALIAS32_VERSION)
- Host_Error ("%s has wrong version number (%i should be %i or %i)",
- mod->name, version, ALIAS_VERSION, ALIAS32_VERSION);
-
- mod->type = ALIASTYPE_MDL;
-
-//
-// 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 (pinmodel->frames[0]));
- size = sizeof (aliashdr_t);
- size += LittleLong (pinmodel->numverts) * sizeof(float[2][2]);
- size += LittleLong (pinmodel->numtris) * sizeof(unsigned short[3]);
- size += LittleLong (pinmodel->numframes) * (sizeof(trivert2) * LittleLong (pinmodel->numverts) + sizeof(maliasframedesc_t));
- BOUNDI(size,256,4194304);
- pheader = Hunk_AllocName (size, loadname);
-
- mod->flags = LittleLong (pinmodel->flags);
- mod->type = mod_alias;
-
-// endian-adjust and copy the data, starting with the alias model header
- pheader->boundingradius = LittleFloat (pinmodel->boundingradius);
- BOUNDF(pheader->boundingradius,0,65536);
- pheader->numskins = LittleLong (pinmodel->numskins);
- BOUNDI(pheader->numskins,0,256);
- pheader->skinwidth = LittleLong (pinmodel->skinwidth);
- BOUNDI(pheader->skinwidth,0,4096);
- pheader->skinheight = LittleLong (pinmodel->skinheight);
- BOUNDI(pheader->skinheight,0,1024);
-//LordHavoc: 32bit textures
- bytesperpixel = version == ALIAS32_VERSION ? 4 : 1;
-
-// if (pheader->skinheight > MAX_LBM_HEIGHT)
-// Host_Error ("model %s has a skin taller than %d", mod->name, MAX_LBM_HEIGHT);
-
- pheader->numverts = LittleLong (pinmodel->numverts);
- BOUNDI(pheader->numverts,0,MAXALIASVERTS);
- /*
- if (pheader->numverts <= 0)
- Host_Error ("model %s has no vertices", mod->name);
- if (pheader->numverts > MAXALIASVERTS)
- Host_Error ("model %s has too many vertices", mod->name);
- */
-
- pheader->numtris = LittleLong (pinmodel->numtris);
- BOUNDI(pheader->numtris,0,65536);
-// if (pheader->numtris <= 0)
-// Host_Error ("model %s has no triangles", mod->name);
-
- pheader->numframes = LittleLong (pinmodel->numframes);
- BOUNDI(pheader->numframes,0,65536);
- numframes = pheader->numframes;
-// if (numframes < 1)
-// Host_Error ("Mod_LoadAliasModel: Invalid # of frames: %d\n", numframes);
-
- pheader->size = LittleFloat (pinmodel->size) * ALIAS_BASE_SIZE_RATIO;
- BOUNDF(pheader->size,0,65536);
- mod->synctype = LittleLong (pinmodel->synctype);
- BOUNDI(pheader->synctype,0,2);
- mod->numframes = pheader->numframes;
-
- for (i=0 ; i<3 ; i++)
- {
- pheader->scale[i] = LittleFloat (pinmodel->scale[i]);
- BOUNDF(pheader->scale[i],0,65536);
- pheader->scale_origin[i] = LittleFloat (pinmodel->scale_origin[i]);
- BOUNDF(pheader->scale_origin[i],-65536,65536);
- pheader->eyeposition[i] = LittleFloat (pinmodel->eyeposition[i]);
- BOUNDF(pheader->eyeposition[i],-65536,65536);
- }
-
-// load the skins
- pskintype = (daliasskintype_t *)&pinmodel[1];
- pskintype = Mod_LoadAllSkins (pheader->numskins, pskintype, bytesperpixel);
-
-// load base s and t vertices
- pinstverts = (stvert_t *)pskintype;
- pouttexcoords = (float *)&pheader->frames[numframes];
- pheader->texcoords = (int) pouttexcoords - (int) pheader;
-
- // LordHavoc: byteswap and convert stvert data
- scales = 1.0 / pheader->skinwidth;
- scalet = 1.0 / pheader->skinheight;
- for (i = 0;i < pheader->numverts;i++)
- {
- pouttexcoords[i*2] = LittleLong (pinstverts[i].s) * scales;
- pouttexcoords[i*2+1] = LittleLong (pinstverts[i].t) * scalet;
- pouttexcoords[(i+pheader->numverts)*2] = LittleLong (pinstverts[i].s) * scales + 0.5;
- pouttexcoords[(i+pheader->numverts)*2+1] = LittleLong (pinstverts[i].t) * scalet;
- if (pouttexcoords[i*2] >= 0.5) // already a back side coordinate
+ if (version != MD2ALIAS_VERSION)
+ Host_Error ("%s has wrong version number (%i should be %i)",
+ loadmodel->name, version, MD2ALIAS_VERSION);
+
+ loadmodel->type = mod_alias;
+ loadmodel->aliastype = ALIASTYPE_ALIAS;
+ loadmodel->DrawSky = NULL;
+ loadmodel->Draw = R_Model_Alias_Draw;
+ loadmodel->DrawFakeShadow = R_Model_Alias_DrawFakeShadow;
+ loadmodel->DrawShadowVolume = R_Model_Alias_DrawShadowVolume;
+ loadmodel->DrawLight = R_Model_Alias_DrawLight;
+
+ if (LittleLong(pinmodel->num_tris < 1) || LittleLong(pinmodel->num_tris) > (65536 / 3))
+ Host_Error ("%s has invalid number of triangles: %i", loadmodel->name, LittleLong(pinmodel->num_tris));
+ if (LittleLong(pinmodel->num_xyz < 1) || LittleLong(pinmodel->num_xyz) > 65536)
+ Host_Error ("%s has invalid number of vertices: %i", loadmodel->name, LittleLong(pinmodel->num_xyz));
+ if (LittleLong(pinmodel->num_frames < 1) || LittleLong(pinmodel->num_frames) > 65536)
+ Host_Error ("%s has invalid number of frames: %i", loadmodel->name, LittleLong(pinmodel->num_frames));
+ if (LittleLong(pinmodel->num_skins < 0) || LittleLong(pinmodel->num_skins) > 256)
+ Host_Error ("%s has invalid number of skins: %i", loadmodel->name, LittleLong(pinmodel->num_skins));
+
+ end = LittleLong(pinmodel->ofs_end);
+ if (LittleLong(pinmodel->num_skins) >= 1 && (LittleLong(pinmodel->ofs_skins <= 0) || LittleLong(pinmodel->ofs_skins) >= end))
+ Host_Error ("%s is not a valid model", loadmodel->name);
+ if (LittleLong(pinmodel->ofs_st <= 0) || LittleLong(pinmodel->ofs_st) >= end)
+ Host_Error ("%s is not a valid model", loadmodel->name);
+ if (LittleLong(pinmodel->ofs_tris <= 0) || LittleLong(pinmodel->ofs_tris) >= end)
+ Host_Error ("%s is not a valid model", loadmodel->name);
+ if (LittleLong(pinmodel->ofs_frames <= 0) || LittleLong(pinmodel->ofs_frames) >= end)
+ Host_Error ("%s is not a valid model", loadmodel->name);
+ if (LittleLong(pinmodel->ofs_glcmds <= 0) || LittleLong(pinmodel->ofs_glcmds) >= end)
+ Host_Error ("%s is not a valid model", loadmodel->name);
+
+ loadmodel->numskins = LittleLong(pinmodel->num_skins);
+ numxyz = LittleLong(pinmodel->num_xyz);
+ numst = LittleLong(pinmodel->num_st);
+ numtris = LittleLong(pinmodel->num_tris);
+ loadmodel->numframes = LittleLong(pinmodel->num_frames);
+
+ loadmodel->flags = 0; // there are no MD2 flags
+ loadmodel->synctype = ST_RAND;
+
+ // load the skins
+ inskin = (void*)(base + LittleLong(pinmodel->ofs_skins));
+ if (loadmodel->numskins)
+ {
+ loadmodel->skinscenes = Mem_Alloc(loadmodel->mempool, sizeof(animscene_t) * loadmodel->numskins + sizeof(skinframe_t) * loadmodel->numskins);
+ loadmodel->skinframes = (void *)(loadmodel->skinscenes + loadmodel->numskins);
+ for (i = 0;i < loadmodel->numskins;i++)