aboutsummaryrefslogtreecommitdiffstats
path: root/code/renderer/tr_model.c
diff options
context:
space:
mode:
Diffstat (limited to 'code/renderer/tr_model.c')
-rw-r--r--code/renderer/tr_model.c459
1 files changed, 432 insertions, 27 deletions
diff --git a/code/renderer/tr_model.c b/code/renderer/tr_model.c
index 2b92917..80b8094 100644
--- a/code/renderer/tr_model.c
+++ b/code/renderer/tr_model.c
@@ -27,6 +27,9 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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
model_t *loadmodel;
@@ -83,9 +86,10 @@ qhandle_t RE_RegisterModel( const char *name ) {
unsigned *buf;
int lod;
int ident;
- qboolean loaded;
+ qboolean loaded = qfalse;
qhandle_t hModel;
int numLoaded;
+ char *fext, defex[] = "md3", filename[MAX_QPATH], namebuf[MAX_QPATH+20];
if ( !name || !name[0] ) {
ri.Printf( PRINT_ALL, "RE_RegisterModel: NULL name\n" );
@@ -131,22 +135,56 @@ qhandle_t RE_RegisterModel( const char *name ) {
//
numLoaded = 0;
- for ( lod = MD3_MAX_LODS - 1 ; lod >= 0 ; lod-- ) {
- char filename[1024];
+ strcpy(filename, name);
- strcpy( filename, name );
+ fext = strchr(filename, '.');
+ if(!fext)
+ fext = defex;
+ else
+ {
+ *fext = '\0';
+ fext++;
+ }
- if ( lod != 0 ) {
- char namebuf[80];
+#ifdef RAVENMD4
+ if(!stricmp(fext, "mdr"))
+ {
+ int filesize;
+
+ filesize = ri.FS_ReadFile(name, (void **) &buf);
+ if(!buf)
+ {
+ ri.Printf (PRINT_WARNING,"RE_RegisterModel: couldn't load %s\n", name);
+ mod->type = MOD_BAD;
+ return 0;
+ }
+
+ ident = LittleLong(*(unsigned *)buf);
+ if(ident == MDR_IDENT)
+ loaded = R_LoadMDR(mod, buf, filesize, name);
- if ( strrchr( filename, '.' ) ) {
- *strrchr( filename, '.' ) = 0;
- }
- sprintf( namebuf, "_%d.md3", lod );
- strcat( filename, namebuf );
+ ri.FS_FreeFile (buf);
+
+ if(!loaded)
+ {
+ ri.Printf(PRINT_WARNING,"RE_RegisterModel: couldn't load mdr file %s\n", name);
+ mod->type = MOD_BAD;
+ return 0;
}
+
+ return mod->index;
+ }
+#endif
+
+ fext = defex;
+
+ for ( lod = MD3_MAX_LODS - 1 ; lod >= 0 ; lod-- ) {
+ if ( lod )
+ snprintf(namebuf, sizeof(namebuf), "%s_%d.%s", filename, lod, fext);
+ else
+ snprintf(namebuf, sizeof(namebuf), "%s.%s", filename, fext);
- ri.FS_ReadFile( filename, (void **)&buf );
+ ri.FS_ReadFile( namebuf, (void **)&buf );
if ( !buf ) {
continue;
}
@@ -369,9 +407,303 @@ static qboolean R_LoadMD3 (model_t *mod, int lod, void *buffer, const char *mod_
/*
=================
+R_LoadMDR
+=================
+*/
+#ifdef RAVENMD4
+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;
+
+ pinmodel->numFrames = LittleLong(pinmodel->numFrames);
+ pinmodel->numBones = LittleLong(pinmodel->numBones);
+ pinmodel->ofsFrames = LittleLong(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)));
+ }
+
+ mod->dataSize += size;
+ mod->md4 = 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 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++;
+ frame++;
+ }
+ }
+
+ // 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++)
+ {
+ 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++) {
+ // 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)",
+ 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)",
+ 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++)
+ {
+ 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 = LittleLong(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));
+
+ for(j = 0; j < surf->numTriangles; j++)
+ {
+ tri->indexes[0] = curtri->indexes[0];
+ tri->indexes[1] = curtri->indexes[1];
+ tri->indexes[2] = curtri->indexes[2];
+
+ tri++;
+ curtri++;
+ }
+
+ // tri and curtri now point to the end of their surfaces.
+ surf->ofsEnd = (byte *) tri - (byte *) surf;
+
+ // find the next surface
+ surf = (mdrSurface_t *) tri;
+ cursurf = (mdrSurface_t *) curtri;
+ }
+
+ // surf points to the next lod now.
+ lod->ofsEnd = (int)((byte *) surf - (byte *) lod);
+
+ lod = (mdrLOD_t *) surf;
+ curlod = (mdrLOD_t *) cursurf;
+ }
+
+ // 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));
+
+ 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 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;
@@ -399,7 +731,7 @@ static qboolean R_LoadMD4( model_t *mod, void *buffer, const char *mod_name ) {
mod->dataSize += size;
md4 = mod->md4 = ri.Hunk_Alloc( size, h_low );
- Com_Memcpy( md4, buffer, LittleLong(pinmodel->ofsEnd) );
+ Com_Memcpy(md4, buffer, size);
LL(md4->ident);
LL(md4->version);
@@ -408,7 +740,7 @@ static qboolean R_LoadMD4( model_t *mod, void *buffer, const char *mod_name ) {
LL(md4->numLODs);
LL(md4->ofsFrames);
LL(md4->ofsLODs);
- LL(md4->ofsEnd);
+ md4->ofsEnd = size;
if ( md4->numFrames < 1 ) {
ri.Printf( PRINT_WARNING, "R_LoadMD4: %s has no frames\n", mod_name );
@@ -520,7 +852,6 @@ static qboolean R_LoadMD4( model_t *mod, void *buffer, const char *mod_name ) {
-
//=============================================================================
/*
@@ -624,6 +955,59 @@ static md3Tag_t *R_GetTag( md3Header_t *mod, int frame, const char *tagName ) {
return NULL;
}
+#ifdef RAVENMD4
+void R_GetAnimTag( mdrHeader_t *mod, int framenum, const char *tagName, md3Tag_t * dest)
+{
+ int i;
+ 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 = (long)( &((mdrFrame_t *)0)->bones[ mod->numBones ] );
+ frame = (mdrFrame_t *)((byte *)mod + mod->ofsFrames + framenum * frameSize );
+ #if 1
+ VectorCopy(&frame->bones[tag->boneIndex].matrix[0][0], dest->axis[0] );
+ VectorCopy(&frame->bones[tag->boneIndex].matrix[1][0], dest->axis[1] );
+ VectorCopy(&frame->bones[tag->boneIndex].matrix[2][0], dest->axis[2] );
+ #else
+ {
+ int j,k;
+ for (j=0;j<3;j++)
+ {
+ for (k=0;k<3;k++)
+ dest->axis[j][k]=frame->bones[tag->boneIndex].matrix[k][j];
+ }
+ }
+ #endif
+ 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
@@ -632,25 +1016,45 @@ 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] ) {
- AxisClear( tag->axis );
- VectorClear( tag->origin );
- return qfalse;
- }
+ if ( !model->md3[0] )
+ {
+#ifdef RAVENMD4
+ if(model->md4)
+ {
+ start = &start_space;
+ end = &end_space;
+ R_GetAnimTag((mdrHeader_t *) model->md4, startFrame, tagName, start);
+ R_GetAnimTag((mdrHeader_t *) model->md4, endFrame, tagName, end);
+ }
+ else
+#endif
+ {
- 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;
- }
+ 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;
@@ -698,3 +1102,4 @@ void R_ModelBounds( qhandle_t handle, vec3_t mins, vec3_t maxs ) {
VectorCopy( frame->bounds[0], mins );
VectorCopy( frame->bounds[1], maxs );
}
+
generated by cgit v1.2.3 (git 2.39.1) at 2025-11-04 07:30:42 +0000