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Diffstat (limited to 'src/renderer/tr_model.c')
| -rw-r--r-- | src/renderer/tr_model.c | 1318 |
1 files changed, 0 insertions, 1318 deletions
diff --git a/src/renderer/tr_model.c b/src/renderer/tr_model.c deleted file mode 100644 index b51c3ce1..00000000 --- a/src/renderer/tr_model.c +++ /dev/null @@ -1,1318 +0,0 @@ -/* -=========================================================================== -Copyright (C) 1999-2005 Id Software, Inc. -Copyright (C) 2000-2009 Darklegion Development - -This file is part of Tremulous. - -Tremulous 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. - -Tremulous 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 Tremulous; if not, write to the Free Software -Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -=========================================================================== -*/ -// tr_models.c -- model loading and caching - -#include "tr_local.h" - -#define LL(x) x=LittleLong(x) - -static qboolean R_LoadMD3(model_t *mod, int lod, void *buffer, const char *name ); -static qboolean R_LoadMD4(model_t *mod, void *buffer, const char *name ); -#ifdef RAVENMD4 -static qboolean R_LoadMDR(model_t *mod, void *buffer, int filesize, const char *name ); -#endif - -/* -==================== -R_RegisterMD3 -==================== -*/ -qhandle_t R_RegisterMD3(const char *name, model_t *mod) -{ - union { - unsigned *u; - void *v; - } buf; - int lod; - int ident; - qboolean loaded = qfalse; - int numLoaded; - char filename[MAX_QPATH], namebuf[MAX_QPATH+20]; - char *fext, defex[] = "md3"; - - numLoaded = 0; - - strcpy(filename, name); - - fext = strchr(filename, '.'); - if(!fext) - fext = defex; - else - { - *fext = '\0'; - fext++; - } - - for (lod = MD3_MAX_LODS - 1 ; lod >= 0 ; lod--) - { - if(lod) - Com_sprintf(namebuf, sizeof(namebuf), "%s_%d.%s", filename, lod, fext); - else - Com_sprintf(namebuf, sizeof(namebuf), "%s.%s", filename, fext); - - ri.FS_ReadFile( namebuf, &buf.v ); - if(!buf.u) - continue; - - ident = LittleLong(* (unsigned *) buf.u); - if (ident == MD4_IDENT) - loaded = R_LoadMD4(mod, buf.u, name); - else - { - if (ident == MD3_IDENT) - loaded = R_LoadMD3(mod, lod, buf.u, name); - else - ri.Printf(PRINT_WARNING,"R_RegisterMD3: unknown fileid for %s\n", name); - } - - ri.FS_FreeFile(buf.v); - - if(loaded) - { - mod->numLods++; - numLoaded++; - } - else - break; - } - - if(numLoaded) - { - // duplicate into higher lod spots that weren't - // loaded, in case the user changes r_lodbias on the fly - for(lod--; lod >= 0; lod--) - { - mod->numLods++; - mod->md3[lod] = mod->md3[lod + 1]; - } - - return mod->index; - } - -#ifdef _DEBUG - ri.Printf(PRINT_WARNING,"R_RegisterMD3: couldn't load %s\n", name); -#endif - - mod->type = MOD_BAD; - return 0; -} - -#ifdef RAVENMD4 -/* -==================== -R_RegisterMDR -==================== -*/ -qhandle_t R_RegisterMDR(const char *name, model_t *mod) -{ - union { - unsigned *u; - void *v; - } buf; - int ident; - qboolean loaded = qfalse; - int filesize; - - filesize = ri.FS_ReadFile(name, (void **) &buf.v); - if(!buf.u) - { - mod->type = MOD_BAD; - return 0; - } - - ident = LittleLong(*(unsigned *)buf.u); - if(ident == MDR_IDENT) - loaded = R_LoadMDR(mod, buf.u, filesize, name); - - ri.FS_FreeFile (buf.v); - - if(!loaded) - { - ri.Printf(PRINT_WARNING,"R_RegisterMDR: couldn't load mdr file %s\n", name); - mod->type = MOD_BAD; - return 0; - } - - return mod->index; -} -#endif - -/* -==================== -R_RegisterIQM -==================== -*/ -qhandle_t R_RegisterIQM(const char *name, model_t *mod) -{ - union { - unsigned *u; - void *v; - } buf; - qboolean loaded = qfalse; - int filesize; - - filesize = ri.FS_ReadFile(name, (void **) &buf.v); - if(!buf.u) - { - mod->type = MOD_BAD; - return 0; - } - - loaded = R_LoadIQM(mod, buf.u, filesize, name); - - ri.FS_FreeFile (buf.v); - - if(!loaded) - { - ri.Printf(PRINT_WARNING,"R_RegisterIQM: couldn't load iqm file %s\n", name); - mod->type = MOD_BAD; - return 0; - } - - return mod->index; -} - - -typedef struct -{ - char *ext; - qhandle_t (*ModelLoader)( const char *, model_t * ); -} modelExtToLoaderMap_t; - -// Note that the ordering indicates the order of preference used -// when there are multiple models of different formats available -static modelExtToLoaderMap_t modelLoaders[ ] = -{ - { "iqm", R_RegisterIQM }, -#ifdef RAVENMD4 - { "mdr", R_RegisterMDR }, -#endif - { "md4", R_RegisterMD3 }, - { "md3", R_RegisterMD3 } -}; - -static int numModelLoaders = ARRAY_LEN(modelLoaders); - -//=============================================================================== - -/* -** R_GetModelByHandle -*/ -model_t *R_GetModelByHandle( qhandle_t index ) { - model_t *mod; - - // out of range gets the defualt model - if ( index < 1 || index >= tr.numModels ) { - return tr.models[0]; - } - - mod = tr.models[index]; - - return mod; -} - -//=============================================================================== - -/* -** R_AllocModel -*/ -model_t *R_AllocModel( void ) { - model_t *mod; - - if ( tr.numModels == MAX_MOD_KNOWN ) { - return NULL; - } - - mod = ri.Hunk_Alloc( sizeof( *tr.models[tr.numModels] ), h_low ); - mod->index = tr.numModels; - tr.models[tr.numModels] = mod; - tr.numModels++; - - return mod; -} - -/* -==================== -RE_RegisterModel - -Loads in a model for the given name - -Zero will be returned if the model fails to load. -An entry will be retained for failed models as an -optimization to prevent disk rescanning if they are -asked for again. -==================== -*/ -qhandle_t RE_RegisterModel( const char *name ) { - model_t *mod; - qhandle_t hModel; - qboolean orgNameFailed = qfalse; - int orgLoader = -1; - int i; - char localName[ MAX_QPATH ]; - const char *ext; - char altName[ MAX_QPATH ]; - - if ( !name || !name[0] ) { - ri.Printf( PRINT_ALL, "RE_RegisterModel: NULL name\n" ); - return 0; - } - - if ( strlen( name ) >= MAX_QPATH ) { - ri.Printf( PRINT_ALL, "Model name exceeds MAX_QPATH\n" ); - return 0; - } - - // - // search the currently loaded models - // - for ( hModel = 1 ; hModel < tr.numModels; hModel++ ) { - mod = tr.models[hModel]; - if ( !strcmp( mod->name, name ) ) { - if( mod->type == MOD_BAD ) { - return 0; - } - return hModel; - } - } - - // allocate a new model_t - - if ( ( mod = R_AllocModel() ) == NULL ) { - ri.Printf( PRINT_WARNING, "RE_RegisterModel: R_AllocModel() failed for '%s'\n", name); - return 0; - } - - // only set the name after the model has been successfully loaded - Q_strncpyz( mod->name, name, sizeof( mod->name ) ); - - - R_IssuePendingRenderCommands(); - - mod->type = MOD_BAD; - mod->numLods = 0; - - // - // load the files - // - Q_strncpyz( localName, name, MAX_QPATH ); - - ext = COM_GetExtension( localName ); - - if( *ext ) - { - // Look for the correct loader and use it - for( i = 0; i < numModelLoaders; i++ ) - { - if( !Q_stricmp( ext, modelLoaders[ i ].ext ) ) - { - // Load - hModel = modelLoaders[ i ].ModelLoader( localName, mod ); - break; - } - } - - // A loader was found - if( i < numModelLoaders ) - { - if( !hModel ) - { - // Loader failed, most likely because the file isn't there; - // try again without the extension - orgNameFailed = qtrue; - orgLoader = i; - COM_StripExtension( name, localName, MAX_QPATH ); - } - else - { - // Something loaded - return mod->index; - } - } - } - - // Try and find a suitable match using all - // the model formats supported - for( i = 0; i < numModelLoaders; i++ ) - { - if (i == orgLoader) - continue; - - Com_sprintf( altName, sizeof (altName), "%s.%s", localName, modelLoaders[ i ].ext ); - - // Load - hModel = modelLoaders[ i ].ModelLoader( altName, mod ); - - if( hModel ) - { - if( orgNameFailed ) - { - ri.Printf( PRINT_DEVELOPER, "WARNING: %s not present, using %s instead\n", - name, altName ); - } - - break; - } - } - - return hModel; -} - -/* -================= -R_LoadMD3 -================= -*/ -static qboolean R_LoadMD3 (model_t *mod, int lod, void *buffer, const char *mod_name ) { - int i, j; - md3Header_t *pinmodel; - md3Frame_t *frame; - md3Surface_t *surf; - md3Shader_t *shader; - md3Triangle_t *tri; - md3St_t *st; - md3XyzNormal_t *xyz; - md3Tag_t *tag; - int version; - int size; - - pinmodel = (md3Header_t *)buffer; - - version = LittleLong (pinmodel->version); - if (version != MD3_VERSION) { - ri.Printf( PRINT_WARNING, "R_LoadMD3: %s has wrong version (%i should be %i)\n", - mod_name, version, MD3_VERSION); - return qfalse; - } - - mod->type = MOD_MESH; - size = LittleLong(pinmodel->ofsEnd); - mod->dataSize += size; - mod->md3[lod] = ri.Hunk_Alloc( size, h_low ); - - Com_Memcpy (mod->md3[lod], buffer, LittleLong(pinmodel->ofsEnd) ); - - LL(mod->md3[lod]->ident); - LL(mod->md3[lod]->version); - LL(mod->md3[lod]->numFrames); - LL(mod->md3[lod]->numTags); - LL(mod->md3[lod]->numSurfaces); - LL(mod->md3[lod]->ofsFrames); - LL(mod->md3[lod]->ofsTags); - LL(mod->md3[lod]->ofsSurfaces); - LL(mod->md3[lod]->ofsEnd); - - if ( mod->md3[lod]->numFrames < 1 ) { - ri.Printf( PRINT_WARNING, "R_LoadMD3: %s has no frames\n", mod_name ); - return qfalse; - } - - // swap all the frames - frame = (md3Frame_t *) ( (byte *)mod->md3[lod] + mod->md3[lod]->ofsFrames ); - for ( i = 0 ; i < mod->md3[lod]->numFrames ; i++, frame++) { - frame->radius = LittleFloat( frame->radius ); - for ( j = 0 ; j < 3 ; j++ ) { - frame->bounds[0][j] = LittleFloat( frame->bounds[0][j] ); - frame->bounds[1][j] = LittleFloat( frame->bounds[1][j] ); - frame->localOrigin[j] = LittleFloat( frame->localOrigin[j] ); - } - } - - // swap all the tags - tag = (md3Tag_t *) ( (byte *)mod->md3[lod] + mod->md3[lod]->ofsTags ); - for ( i = 0 ; i < mod->md3[lod]->numTags * mod->md3[lod]->numFrames ; i++, tag++) { - for ( j = 0 ; j < 3 ; j++ ) { - tag->origin[j] = LittleFloat( tag->origin[j] ); - tag->axis[0][j] = LittleFloat( tag->axis[0][j] ); - tag->axis[1][j] = LittleFloat( tag->axis[1][j] ); - tag->axis[2][j] = LittleFloat( tag->axis[2][j] ); - } - } - - // swap all the surfaces - surf = (md3Surface_t *) ( (byte *)mod->md3[lod] + mod->md3[lod]->ofsSurfaces ); - for ( i = 0 ; i < mod->md3[lod]->numSurfaces ; i++) { - - LL(surf->ident); - LL(surf->flags); - LL(surf->numFrames); - LL(surf->numShaders); - LL(surf->numTriangles); - LL(surf->ofsTriangles); - LL(surf->numVerts); - LL(surf->ofsShaders); - LL(surf->ofsSt); - LL(surf->ofsXyzNormals); - LL(surf->ofsEnd); - - if ( surf->numVerts > SHADER_MAX_VERTEXES ) { - ri.Printf(PRINT_WARNING, "R_LoadMD3: %s has more than %i verts on a surface (%i).\n", - mod_name, SHADER_MAX_VERTEXES, surf->numVerts ); - return qfalse; - } - if ( surf->numTriangles*3 > SHADER_MAX_INDEXES ) { - ri.Printf(PRINT_WARNING, "R_LoadMD3: %s has more than %i triangles on a surface (%i).\n", - mod_name, SHADER_MAX_INDEXES / 3, surf->numTriangles ); - return qfalse; - } - - // change to surface identifier - surf->ident = SF_MD3; - - // lowercase the surface name so skin compares are faster - Q_strlwr( surf->name ); - - // strip off a trailing _1 or _2 - // this is a crutch for q3data being a mess - j = strlen( surf->name ); - if ( j > 2 && surf->name[j-2] == '_' ) { - surf->name[j-2] = 0; - } - - // register the shaders - shader = (md3Shader_t *) ( (byte *)surf + surf->ofsShaders ); - for ( j = 0 ; j < surf->numShaders ; j++, shader++ ) { - shader_t *sh; - - sh = R_FindShader( shader->name, LIGHTMAP_NONE, qtrue ); - if ( sh->defaultShader ) { - shader->shaderIndex = 0; - } else { - shader->shaderIndex = sh->index; - } - } - - // swap all the triangles - tri = (md3Triangle_t *) ( (byte *)surf + surf->ofsTriangles ); - for ( j = 0 ; j < surf->numTriangles ; j++, tri++ ) { - LL(tri->indexes[0]); - LL(tri->indexes[1]); - LL(tri->indexes[2]); - } - - // swap all the ST - st = (md3St_t *) ( (byte *)surf + surf->ofsSt ); - for ( j = 0 ; j < surf->numVerts ; j++, st++ ) { - st->st[0] = LittleFloat( st->st[0] ); - st->st[1] = LittleFloat( st->st[1] ); - } - - // swap all the XyzNormals - xyz = (md3XyzNormal_t *) ( (byte *)surf + surf->ofsXyzNormals ); - for ( j = 0 ; j < surf->numVerts * surf->numFrames ; j++, xyz++ ) - { - xyz->xyz[0] = LittleShort( xyz->xyz[0] ); - xyz->xyz[1] = LittleShort( xyz->xyz[1] ); - xyz->xyz[2] = LittleShort( xyz->xyz[2] ); - - xyz->normal = LittleShort( xyz->normal ); - } - - - // find the next surface - surf = (md3Surface_t *)( (byte *)surf + surf->ofsEnd ); - } - - return qtrue; -} - - -#ifdef RAVENMD4 - -/* -================= -R_LoadMDR -================= -*/ -static qboolean R_LoadMDR( model_t *mod, void *buffer, int filesize, const char *mod_name ) -{ - int i, j, k, l; - mdrHeader_t *pinmodel, *mdr; - mdrFrame_t *frame; - mdrLOD_t *lod, *curlod; - mdrSurface_t *surf, *cursurf; - mdrTriangle_t *tri, *curtri; - mdrVertex_t *v, *curv; - mdrWeight_t *weight, *curweight; - mdrTag_t *tag, *curtag; - int size; - shader_t *sh; - - pinmodel = (mdrHeader_t *)buffer; - - pinmodel->version = LittleLong(pinmodel->version); - if (pinmodel->version != MDR_VERSION) - { - ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has wrong version (%i should be %i)\n", mod_name, pinmodel->version, MDR_VERSION); - return qfalse; - } - - size = LittleLong(pinmodel->ofsEnd); - - if(size > filesize) - { - ri.Printf(PRINT_WARNING, "R_LoadMDR: Header of %s is broken. Wrong filesize declared!\n", mod_name); - return qfalse; - } - - mod->type = MOD_MDR; - - LL(pinmodel->numFrames); - LL(pinmodel->numBones); - LL(pinmodel->ofsFrames); - - // This is a model that uses some type of compressed Bones. We don't want to uncompress every bone for each rendered frame - // over and over again, we'll uncompress it in this function already, so we must adjust the size of the target md4. - if(pinmodel->ofsFrames < 0) - { - // mdrFrame_t is larger than mdrCompFrame_t: - size += pinmodel->numFrames * sizeof(frame->name); - // now add enough space for the uncompressed bones. - size += pinmodel->numFrames * pinmodel->numBones * ((sizeof(mdrBone_t) - sizeof(mdrCompBone_t))); - } - - // simple bounds check - if(pinmodel->numBones < 0 || - sizeof(*mdr) + pinmodel->numFrames * (sizeof(*frame) + (pinmodel->numBones - 1) * sizeof(*frame->bones)) > size) - { - ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has broken structure.\n", mod_name); - return qfalse; - } - - mod->dataSize += size; - mod->modelData = mdr = ri.Hunk_Alloc( size, h_low ); - - // Copy all the values over from the file and fix endian issues in the process, if necessary. - - mdr->ident = LittleLong(pinmodel->ident); - mdr->version = pinmodel->version; // Don't need to swap byte order on this one, we already did above. - Q_strncpyz(mdr->name, pinmodel->name, sizeof(mdr->name)); - mdr->numFrames = pinmodel->numFrames; - mdr->numBones = pinmodel->numBones; - mdr->numLODs = LittleLong(pinmodel->numLODs); - mdr->numTags = LittleLong(pinmodel->numTags); - // We don't care about the other offset values, we'll generate them ourselves while loading. - - mod->numLods = mdr->numLODs; - - if ( mdr->numFrames < 1 ) - { - ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has no frames\n", mod_name); - return qfalse; - } - - /* The first frame will be put into the first free space after the header */ - frame = (mdrFrame_t *)(mdr + 1); - mdr->ofsFrames = (int)((byte *) frame - (byte *) mdr); - - if (pinmodel->ofsFrames < 0) - { - mdrCompFrame_t *cframe; - - // compressed model... - cframe = (mdrCompFrame_t *)((byte *) pinmodel - pinmodel->ofsFrames); - - for(i = 0; i < mdr->numFrames; i++) - { - for(j = 0; j < 3; j++) - { - frame->bounds[0][j] = LittleFloat(cframe->bounds[0][j]); - frame->bounds[1][j] = LittleFloat(cframe->bounds[1][j]); - frame->localOrigin[j] = LittleFloat(cframe->localOrigin[j]); - } - - frame->radius = LittleFloat(cframe->radius); - frame->name[0] = '\0'; // No name supplied in the compressed version. - - for(j = 0; j < mdr->numBones; j++) - { - for(k = 0; k < (sizeof(cframe->bones[j].Comp) / 2); k++) - { - // Do swapping for the uncompressing functions. They seem to use shorts - // values only, so I assume this will work. Never tested it on other - // platforms, though. - - ((unsigned short *)(cframe->bones[j].Comp))[k] = - LittleShort( ((unsigned short *)(cframe->bones[j].Comp))[k] ); - } - - /* Now do the actual uncompressing */ - MC_UnCompress(frame->bones[j].matrix, cframe->bones[j].Comp); - } - - // Next Frame... - cframe = (mdrCompFrame_t *) &cframe->bones[j]; - frame = (mdrFrame_t *) &frame->bones[j]; - } - } - else - { - mdrFrame_t *curframe; - - // uncompressed model... - // - - curframe = (mdrFrame_t *)((byte *) pinmodel + pinmodel->ofsFrames); - - // swap all the frames - for ( i = 0 ; i < mdr->numFrames ; i++) - { - for(j = 0; j < 3; j++) - { - frame->bounds[0][j] = LittleFloat(curframe->bounds[0][j]); - frame->bounds[1][j] = LittleFloat(curframe->bounds[1][j]); - frame->localOrigin[j] = LittleFloat(curframe->localOrigin[j]); - } - - frame->radius = LittleFloat(curframe->radius); - Q_strncpyz(frame->name, curframe->name, sizeof(frame->name)); - - for (j = 0; j < (int) (mdr->numBones * sizeof(mdrBone_t) / 4); j++) - { - ((float *)frame->bones)[j] = LittleFloat( ((float *)curframe->bones)[j] ); - } - - curframe = (mdrFrame_t *) &curframe->bones[mdr->numBones]; - frame = (mdrFrame_t *) &frame->bones[mdr->numBones]; - } - } - - // frame should now point to the first free address after all frames. - lod = (mdrLOD_t *) frame; - mdr->ofsLODs = (int) ((byte *) lod - (byte *)mdr); - - curlod = (mdrLOD_t *)((byte *) pinmodel + LittleLong(pinmodel->ofsLODs)); - - // swap all the LOD's - for ( l = 0 ; l < mdr->numLODs ; l++) - { - // simple bounds check - if((byte *) (lod + 1) > (byte *) mdr + size) - { - ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has broken structure.\n", mod_name); - return qfalse; - } - - lod->numSurfaces = LittleLong(curlod->numSurfaces); - - // swap all the surfaces - surf = (mdrSurface_t *) (lod + 1); - lod->ofsSurfaces = (int)((byte *) surf - (byte *) lod); - cursurf = (mdrSurface_t *) ((byte *)curlod + LittleLong(curlod->ofsSurfaces)); - - for ( i = 0 ; i < lod->numSurfaces ; i++) - { - // simple bounds check - if((byte *) (surf + 1) > (byte *) mdr + size) - { - ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has broken structure.\n", mod_name); - return qfalse; - } - - // first do some copying stuff - - surf->ident = SF_MDR; - Q_strncpyz(surf->name, cursurf->name, sizeof(surf->name)); - Q_strncpyz(surf->shader, cursurf->shader, sizeof(surf->shader)); - - surf->ofsHeader = (byte *) mdr - (byte *) surf; - - surf->numVerts = LittleLong(cursurf->numVerts); - surf->numTriangles = LittleLong(cursurf->numTriangles); - // numBoneReferences and BoneReferences generally seem to be unused - - // now do the checks that may fail. - if ( surf->numVerts > SHADER_MAX_VERTEXES ) - { - ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has more than %i verts on a surface (%i).\n", - mod_name, SHADER_MAX_VERTEXES, surf->numVerts ); - return qfalse; - } - if ( surf->numTriangles*3 > SHADER_MAX_INDEXES ) - { - ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has more than %i triangles on a surface (%i).\n", - mod_name, SHADER_MAX_INDEXES / 3, surf->numTriangles ); - return qfalse; - } - // lowercase the surface name so skin compares are faster - Q_strlwr( surf->name ); - - // register the shaders - sh = R_FindShader(surf->shader, LIGHTMAP_NONE, qtrue); - if ( sh->defaultShader ) { - surf->shaderIndex = 0; - } else { - surf->shaderIndex = sh->index; - } - - // now copy the vertexes. - v = (mdrVertex_t *) (surf + 1); - surf->ofsVerts = (int)((byte *) v - (byte *) surf); - curv = (mdrVertex_t *) ((byte *)cursurf + LittleLong(cursurf->ofsVerts)); - - for(j = 0; j < surf->numVerts; j++) - { - LL(curv->numWeights); - - // simple bounds check - if(curv->numWeights < 0 || (byte *) (v + 1) + (curv->numWeights - 1) * sizeof(*weight) > (byte *) mdr + size) - { - ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has broken structure.\n", mod_name); - return qfalse; - } - - v->normal[0] = LittleFloat(curv->normal[0]); - v->normal[1] = LittleFloat(curv->normal[1]); - v->normal[2] = LittleFloat(curv->normal[2]); - - v->texCoords[0] = LittleFloat(curv->texCoords[0]); - v->texCoords[1] = LittleFloat(curv->texCoords[1]); - - v->numWeights = curv->numWeights; - weight = &v->weights[0]; - curweight = &curv->weights[0]; - - // Now copy all the weights - for(k = 0; k < v->numWeights; k++) - { - weight->boneIndex = LittleLong(curweight->boneIndex); - weight->boneWeight = LittleFloat(curweight->boneWeight); - - weight->offset[0] = LittleFloat(curweight->offset[0]); - weight->offset[1] = LittleFloat(curweight->offset[1]); - weight->offset[2] = LittleFloat(curweight->offset[2]); - - weight++; - curweight++; - } - - v = (mdrVertex_t *) weight; - curv = (mdrVertex_t *) curweight; - } - - // we know the offset to the triangles now: - tri = (mdrTriangle_t *) v; - surf->ofsTriangles = (int)((byte *) tri - (byte *) surf); - curtri = (mdrTriangle_t *)((byte *) cursurf + LittleLong(cursurf->ofsTriangles)); - - // simple bounds check - if(surf->numTriangles < 0 || (byte *) (tri + surf->numTriangles) > (byte *) mdr + size) - { - ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has broken structure.\n", mod_name); - return qfalse; - } - - for(j = 0; j < surf->numTriangles; j++) - { - tri->indexes[0] = LittleLong(curtri->indexes[0]); - tri->indexes[1] = LittleLong(curtri->indexes[1]); - tri->indexes[2] = LittleLong(curtri->indexes[2]); - - tri++; - curtri++; - } - - // tri now points to the end of the surface. - surf->ofsEnd = (byte *) tri - (byte *) surf; - surf = (mdrSurface_t *) tri; - - // find the next surface. - cursurf = (mdrSurface_t *) ((byte *) cursurf + LittleLong(cursurf->ofsEnd)); - } - - // surf points to the next lod now. - lod->ofsEnd = (int)((byte *) surf - (byte *) lod); - lod = (mdrLOD_t *) surf; - - // find the next LOD. - curlod = (mdrLOD_t *)((byte *) curlod + LittleLong(curlod->ofsEnd)); - } - - // lod points to the first tag now, so update the offset too. - tag = (mdrTag_t *) lod; - mdr->ofsTags = (int)((byte *) tag - (byte *) mdr); - curtag = (mdrTag_t *) ((byte *)pinmodel + LittleLong(pinmodel->ofsTags)); - - // simple bounds check - if(mdr->numTags < 0 || (byte *) (tag + mdr->numTags) > (byte *) mdr + size) - { - ri.Printf(PRINT_WARNING, "R_LoadMDR: %s has broken structure.\n", mod_name); - return qfalse; - } - - for (i = 0 ; i < mdr->numTags ; i++) - { - tag->boneIndex = LittleLong(curtag->boneIndex); - Q_strncpyz(tag->name, curtag->name, sizeof(tag->name)); - - tag++; - curtag++; - } - - // And finally we know the real offset to the end. - mdr->ofsEnd = (int)((byte *) tag - (byte *) mdr); - - // phew! we're done. - - return qtrue; -} -#endif - -/* -================= -R_LoadMD4 -================= -*/ - -static qboolean R_LoadMD4( model_t *mod, void *buffer, const char *mod_name ) { - int i, j, k, lodindex; - md4Header_t *pinmodel, *md4; - md4Frame_t *frame; - md4LOD_t *lod; - md4Surface_t *surf; - md4Triangle_t *tri; - md4Vertex_t *v; - int version; - int size; - shader_t *sh; - int frameSize; - - pinmodel = (md4Header_t *)buffer; - - version = LittleLong (pinmodel->version); - if (version != MD4_VERSION) { - ri.Printf( PRINT_WARNING, "R_LoadMD4: %s has wrong version (%i should be %i)\n", - mod_name, version, MD4_VERSION); - return qfalse; - } - - mod->type = MOD_MD4; - size = LittleLong(pinmodel->ofsEnd); - mod->dataSize += size; - mod->modelData = md4 = ri.Hunk_Alloc( size, h_low ); - - Com_Memcpy(md4, buffer, size); - - LL(md4->ident); - LL(md4->version); - LL(md4->numFrames); - LL(md4->numBones); - LL(md4->numLODs); - LL(md4->ofsFrames); - LL(md4->ofsLODs); - md4->ofsEnd = size; - - if ( md4->numFrames < 1 ) { - ri.Printf( PRINT_WARNING, "R_LoadMD4: %s has no frames\n", mod_name ); - return qfalse; - } - - // we don't need to swap tags in the renderer, they aren't used - - // swap all the frames - frameSize = (size_t)( &((md4Frame_t *)0)->bones[ md4->numBones ] ); - for ( i = 0 ; i < md4->numFrames ; i++) { - frame = (md4Frame_t *) ( (byte *)md4 + md4->ofsFrames + i * frameSize ); - frame->radius = LittleFloat( frame->radius ); - for ( j = 0 ; j < 3 ; j++ ) { - frame->bounds[0][j] = LittleFloat( frame->bounds[0][j] ); - frame->bounds[1][j] = LittleFloat( frame->bounds[1][j] ); - frame->localOrigin[j] = LittleFloat( frame->localOrigin[j] ); - } - for ( j = 0 ; j < md4->numBones * sizeof( md4Bone_t ) / 4 ; j++ ) { - ((float *)frame->bones)[j] = LittleFloat( ((float *)frame->bones)[j] ); - } - } - - // swap all the LOD's - lod = (md4LOD_t *) ( (byte *)md4 + md4->ofsLODs ); - for ( lodindex = 0 ; lodindex < md4->numLODs ; lodindex++ ) { - - // swap all the surfaces - surf = (md4Surface_t *) ( (byte *)lod + lod->ofsSurfaces ); - for ( i = 0 ; i < lod->numSurfaces ; i++) { - LL(surf->ident); - LL(surf->numTriangles); - LL(surf->ofsTriangles); - LL(surf->numVerts); - LL(surf->ofsVerts); - LL(surf->ofsEnd); - - if ( surf->numVerts > SHADER_MAX_VERTEXES ) { - ri.Printf(PRINT_WARNING, "R_LoadMD4: %s has more than %i verts on a surface (%i).\n", - mod_name, SHADER_MAX_VERTEXES, surf->numVerts ); - return qfalse; - } - if ( surf->numTriangles*3 > SHADER_MAX_INDEXES ) { - ri.Printf(PRINT_WARNING, "R_LoadMD4: %s has more than %i triangles on a surface (%i).\n", - mod_name, SHADER_MAX_INDEXES / 3, surf->numTriangles ); - return qfalse; - } - - // change to surface identifier - surf->ident = SF_MD4; - - // lowercase the surface name so skin compares are faster - Q_strlwr( surf->name ); - - // register the shaders - sh = R_FindShader( surf->shader, LIGHTMAP_NONE, qtrue ); - if ( sh->defaultShader ) { - surf->shaderIndex = 0; - } else { - surf->shaderIndex = sh->index; - } - - // swap all the triangles - tri = (md4Triangle_t *) ( (byte *)surf + surf->ofsTriangles ); - for ( j = 0 ; j < surf->numTriangles ; j++, tri++ ) { - LL(tri->indexes[0]); - LL(tri->indexes[1]); - LL(tri->indexes[2]); - } - - // swap all the vertexes - // FIXME - // This makes TFC's skeletons work. Shouldn't be necessary anymore, but left - // in for reference. - //v = (md4Vertex_t *) ( (byte *)surf + surf->ofsVerts + 12); - v = (md4Vertex_t *) ( (byte *)surf + surf->ofsVerts); - for ( j = 0 ; j < surf->numVerts ; j++ ) { - v->normal[0] = LittleFloat( v->normal[0] ); - v->normal[1] = LittleFloat( v->normal[1] ); - v->normal[2] = LittleFloat( v->normal[2] ); - - v->texCoords[0] = LittleFloat( v->texCoords[0] ); - v->texCoords[1] = LittleFloat( v->texCoords[1] ); - - v->numWeights = LittleLong( v->numWeights ); - - for ( k = 0 ; k < v->numWeights ; k++ ) { - v->weights[k].boneIndex = LittleLong( v->weights[k].boneIndex ); - v->weights[k].boneWeight = LittleFloat( v->weights[k].boneWeight ); - v->weights[k].offset[0] = LittleFloat( v->weights[k].offset[0] ); - v->weights[k].offset[1] = LittleFloat( v->weights[k].offset[1] ); - v->weights[k].offset[2] = LittleFloat( v->weights[k].offset[2] ); - } - // FIXME - // This makes TFC's skeletons work. Shouldn't be necessary anymore, but left - // in for reference. - //v = (md4Vertex_t *)( ( byte * )&v->weights[v->numWeights] + 12 ); - v = (md4Vertex_t *)( ( byte * )&v->weights[v->numWeights]); - } - - // find the next surface - surf = (md4Surface_t *)( (byte *)surf + surf->ofsEnd ); - } - - // find the next LOD - lod = (md4LOD_t *)( (byte *)lod + lod->ofsEnd ); - } - - return qtrue; -} - - - -//============================================================================= - -/* -** RE_BeginRegistration -*/ -void RE_BeginRegistration( glconfig_t *glconfigOut ) { - - R_Init(); - - *glconfigOut = glConfig; - - R_IssuePendingRenderCommands(); - - tr.viewCluster = -1; // force markleafs to regenerate - R_ClearFlares(); - RE_ClearScene(); - - tr.registered = qtrue; - - // NOTE: this sucks, for some reason the first stretch pic is never drawn - // without this we'd see a white flash on a level load because the very - // first time the level shot would not be drawn -// RE_StretchPic(0, 0, 0, 0, 0, 0, 1, 1, 0); -} - -//============================================================================= - -/* -=============== -R_ModelInit -=============== -*/ -void R_ModelInit( void ) { - model_t *mod; - - // leave a space for NULL model - tr.numModels = 0; - - mod = R_AllocModel(); - mod->type = MOD_BAD; -} - - -/* -================ -R_Modellist_f -================ -*/ -void R_Modellist_f( void ) { - int i, j; - model_t *mod; - int total; - int lods; - - total = 0; - for ( i = 1 ; i < tr.numModels; i++ ) { - mod = tr.models[i]; - lods = 1; - for ( j = 1 ; j < MD3_MAX_LODS ; j++ ) { - if ( mod->md3[j] && mod->md3[j] != mod->md3[j-1] ) { - lods++; - } - } - ri.Printf( PRINT_ALL, "%8i : (%i) %s\n",mod->dataSize, lods, mod->name ); - total += mod->dataSize; - } - ri.Printf( PRINT_ALL, "%8i : Total models\n", total ); - -#if 0 // not working right with new hunk - if ( tr.world ) { - ri.Printf( PRINT_ALL, "\n%8i : %s\n", tr.world->dataSize, tr.world->name ); - } -#endif -} - - -//============================================================================= - - -/* -================ -R_GetTag -================ -*/ -static md3Tag_t *R_GetTag( md3Header_t *mod, int frame, const char *tagName ) { - md3Tag_t *tag; - int i; - - if ( frame >= mod->numFrames ) { - // it is possible to have a bad frame while changing models, so don't error - frame = mod->numFrames - 1; - } - - tag = (md3Tag_t *)((byte *)mod + mod->ofsTags) + frame * mod->numTags; - for ( i = 0 ; i < mod->numTags ; i++, tag++ ) { - if ( !strcmp( tag->name, tagName ) ) { - return tag; // found it - } - } - - return NULL; -} - -#ifdef RAVENMD4 -void R_GetAnimTag( mdrHeader_t *mod, int framenum, const char *tagName, md3Tag_t * dest) -{ - int i, j, k; - int frameSize; - mdrFrame_t *frame; - mdrTag_t *tag; - - if ( framenum >= mod->numFrames ) - { - // it is possible to have a bad frame while changing models, so don't error - framenum = mod->numFrames - 1; - } - - tag = (mdrTag_t *)((byte *)mod + mod->ofsTags); - for ( i = 0 ; i < mod->numTags ; i++, tag++ ) - { - if ( !strcmp( tag->name, tagName ) ) - { - Q_strncpyz(dest->name, tag->name, sizeof(dest->name)); - - // uncompressed model... - // - frameSize = (intptr_t)( &((mdrFrame_t *)0)->bones[ mod->numBones ] ); - frame = (mdrFrame_t *)((byte *)mod + mod->ofsFrames + framenum * frameSize ); - - for (j = 0; j < 3; j++) - { - for (k = 0; k < 3; k++) - dest->axis[j][k]=frame->bones[tag->boneIndex].matrix[k][j]; - } - - dest->origin[0]=frame->bones[tag->boneIndex].matrix[0][3]; - dest->origin[1]=frame->bones[tag->boneIndex].matrix[1][3]; - dest->origin[2]=frame->bones[tag->boneIndex].matrix[2][3]; - - return; - } - } - - AxisClear( dest->axis ); - VectorClear( dest->origin ); - strcpy(dest->name,""); -} -#endif - -/* -================ -R_LerpTag -================ -*/ -int R_LerpTag( orientation_t *tag, qhandle_t handle, int startFrame, int endFrame, - float frac, const char *tagName ) { - md3Tag_t *start, *end; -#ifdef RAVENMD4 - md3Tag_t start_space, end_space; -#endif - int i; - float frontLerp, backLerp; - model_t *model; - - model = R_GetModelByHandle( handle ); - if ( !model->md3[0] ) - { -#ifdef RAVENMD4 - if(model->type == MOD_MDR) - { - start = &start_space; - end = &end_space; - R_GetAnimTag((mdrHeader_t *) model->modelData, startFrame, tagName, start); - R_GetAnimTag((mdrHeader_t *) model->modelData, endFrame, tagName, end); - } - else -#endif - if( model->type == MOD_IQM ) { - return R_IQMLerpTag( tag, model->modelData, - startFrame, endFrame, - frac, tagName ); - } else { - - AxisClear( tag->axis ); - VectorClear( tag->origin ); - return qfalse; - - } - } - else - { - start = R_GetTag( model->md3[0], startFrame, tagName ); - end = R_GetTag( model->md3[0], endFrame, tagName ); - if ( !start || !end ) { - AxisClear( tag->axis ); - VectorClear( tag->origin ); - return qfalse; - } - } - - frontLerp = frac; - backLerp = 1.0f - frac; - - for ( i = 0 ; i < 3 ; i++ ) { - tag->origin[i] = start->origin[i] * backLerp + end->origin[i] * frontLerp; - tag->axis[0][i] = start->axis[0][i] * backLerp + end->axis[0][i] * frontLerp; - tag->axis[1][i] = start->axis[1][i] * backLerp + end->axis[1][i] * frontLerp; - tag->axis[2][i] = start->axis[2][i] * backLerp + end->axis[2][i] * frontLerp; - } - VectorNormalize( tag->axis[0] ); - VectorNormalize( tag->axis[1] ); - VectorNormalize( tag->axis[2] ); - return qtrue; -} - - -/* -==================== -R_ModelBounds -==================== -*/ -void R_ModelBounds( qhandle_t handle, vec3_t mins, vec3_t maxs ) { - model_t *model; - - model = R_GetModelByHandle( handle ); - - if(model->type == MOD_BRUSH) { - VectorCopy( model->bmodel->bounds[0], mins ); - VectorCopy( model->bmodel->bounds[1], maxs ); - - return; - } else if (model->type == MOD_MESH) { - md3Header_t *header; - md3Frame_t *frame; - - header = model->md3[0]; - frame = (md3Frame_t *) ((byte *)header + header->ofsFrames); - - VectorCopy( frame->bounds[0], mins ); - VectorCopy( frame->bounds[1], maxs ); - - return; - } else if (model->type == MOD_MD4) { - md4Header_t *header; - md4Frame_t *frame; - - header = (md4Header_t *)model->modelData; - frame = (md4Frame_t *) ((byte *)header + header->ofsFrames); - - VectorCopy( frame->bounds[0], mins ); - VectorCopy( frame->bounds[1], maxs ); - - return; -#ifdef RAVENMD4 - } else if (model->type == MOD_MDR) { - mdrHeader_t *header; - mdrFrame_t *frame; - - header = (mdrHeader_t *)model->modelData; - frame = (mdrFrame_t *) ((byte *)header + header->ofsFrames); - - VectorCopy( frame->bounds[0], mins ); - VectorCopy( frame->bounds[1], maxs ); - - return; -#endif - } else if(model->type == MOD_IQM) { - iqmData_t *iqmData; - - iqmData = model->modelData; - - if(iqmData->bounds) - { - VectorCopy(iqmData->bounds, mins); - VectorCopy(iqmData->bounds + 3, maxs); - return; - } - } - - VectorClear( mins ); - VectorClear( maxs ); -} |