diff options
Diffstat (limited to 'code/renderer/tr_animation.c')
| -rwxr-xr-x | code/renderer/tr_animation.c | 342 |
1 files changed, 171 insertions, 171 deletions
diff --git a/code/renderer/tr_animation.c b/code/renderer/tr_animation.c index 6a6f800..fe06097 100755 --- a/code/renderer/tr_animation.c +++ b/code/renderer/tr_animation.c @@ -1,171 +1,171 @@ -/*
-===========================================================================
-Copyright (C) 1999-2005 Id Software, Inc.
-
-This file is part of Quake III Arena source code.
-
-Quake III Arena source code 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.
-
-Quake III Arena source code 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 Foobar; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-===========================================================================
-*/
-
-#include "tr_local.h"
-
-/*
-
-All bones should be an identity orientation to display the mesh exactly
-as it is specified.
-
-For all other frames, the bones represent the transformation from the
-orientation of the bone in the base frame to the orientation in this
-frame.
-
-*/
-
-/*
-==============
-R_AddAnimSurfaces
-==============
-*/
-void R_AddAnimSurfaces( trRefEntity_t *ent ) {
- md4Header_t *header;
- md4Surface_t *surface;
- md4LOD_t *lod;
- shader_t *shader;
- int i;
-
- header = tr.currentModel->md4;
- lod = (md4LOD_t *)( (byte *)header + header->ofsLODs );
-
- surface = (md4Surface_t *)( (byte *)lod + lod->ofsSurfaces );
- for ( i = 0 ; i < lod->numSurfaces ; i++ ) {
- shader = R_GetShaderByHandle( surface->shaderIndex );
- R_AddDrawSurf( (void *)surface, shader, 0 /*fogNum*/, qfalse );
- surface = (md4Surface_t *)( (byte *)surface + surface->ofsEnd );
- }
-}
-
-
-/*
-==============
-RB_SurfaceAnim
-==============
-*/
-void RB_SurfaceAnim( md4Surface_t *surface ) {
- int i, j, k;
- float frontlerp, backlerp;
- int *triangles;
- int indexes;
- int baseIndex, baseVertex;
- int numVerts;
- md4Vertex_t *v;
- md4Bone_t bones[MD4_MAX_BONES];
- md4Bone_t *bonePtr, *bone;
- md4Header_t *header;
- md4Frame_t *frame;
- md4Frame_t *oldFrame;
- int frameSize;
-
-
- if ( backEnd.currentEntity->e.oldframe == backEnd.currentEntity->e.frame ) {
- backlerp = 0;
- frontlerp = 1;
- } else {
- backlerp = backEnd.currentEntity->e.backlerp;
- frontlerp = 1.0f - backlerp;
- }
- header = (md4Header_t *)((byte *)surface + surface->ofsHeader);
-
- frameSize = (int)( &((md4Frame_t *)0)->bones[ header->numBones ] );
-
- frame = (md4Frame_t *)((byte *)header + header->ofsFrames +
- backEnd.currentEntity->e.frame * frameSize );
- oldFrame = (md4Frame_t *)((byte *)header + header->ofsFrames +
- backEnd.currentEntity->e.oldframe * frameSize );
-
- RB_CheckOverflow( surface->numVerts, surface->numTriangles * 3 );
-
- triangles = (int *) ((byte *)surface + surface->ofsTriangles);
- indexes = surface->numTriangles * 3;
- baseIndex = tess.numIndexes;
- baseVertex = tess.numVertexes;
- for (j = 0 ; j < indexes ; j++) {
- tess.indexes[baseIndex + j] = baseIndex + triangles[j];
- }
- tess.numIndexes += indexes;
-
- //
- // lerp all the needed bones
- //
- if ( !backlerp ) {
- // no lerping needed
- bonePtr = frame->bones;
- } else {
- bonePtr = bones;
- for ( i = 0 ; i < header->numBones*12 ; i++ ) {
- ((float *)bonePtr)[i] = frontlerp * ((float *)frame->bones)[i]
- + backlerp * ((float *)oldFrame->bones)[i];
- }
- }
-
- //
- // deform the vertexes by the lerped bones
- //
- numVerts = surface->numVerts;
- // FIXME
- // This makes TFC's skeletons work. Shouldn't be necessary anymore, but left
- // in for reference.
- //v = (md4Vertex_t *) ((byte *)surface + surface->ofsVerts + 12);
- v = (md4Vertex_t *) ((byte *)surface + surface->ofsVerts);
- for ( j = 0; j < numVerts; j++ ) {
- vec3_t tempVert, tempNormal;
- md4Weight_t *w;
-
- VectorClear( tempVert );
- VectorClear( tempNormal );
- w = v->weights;
- for ( k = 0 ; k < v->numWeights ; k++, w++ ) {
- bone = bonePtr + w->boneIndex;
-
- tempVert[0] += w->boneWeight * ( DotProduct( bone->matrix[0], w->offset ) + bone->matrix[0][3] );
- tempVert[1] += w->boneWeight * ( DotProduct( bone->matrix[1], w->offset ) + bone->matrix[1][3] );
- tempVert[2] += w->boneWeight * ( DotProduct( bone->matrix[2], w->offset ) + bone->matrix[2][3] );
-
- tempNormal[0] += w->boneWeight * DotProduct( bone->matrix[0], v->normal );
- tempNormal[1] += w->boneWeight * DotProduct( bone->matrix[1], v->normal );
- tempNormal[2] += w->boneWeight * DotProduct( bone->matrix[2], v->normal );
- }
-
- tess.xyz[baseVertex + j][0] = tempVert[0];
- tess.xyz[baseVertex + j][1] = tempVert[1];
- tess.xyz[baseVertex + j][2] = tempVert[2];
-
- tess.normal[baseVertex + j][0] = tempNormal[0];
- tess.normal[baseVertex + j][1] = tempNormal[1];
- tess.normal[baseVertex + j][2] = tempNormal[2];
-
- tess.texCoords[baseVertex + j][0][0] = v->texCoords[0];
- tess.texCoords[baseVertex + j][0][1] = v->texCoords[1];
-
- // 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 *)&v->weights[v->numWeights];
- }
-
- tess.numVertexes += surface->numVerts;
-}
-
-
+/* +=========================================================================== +Copyright (C) 1999-2005 Id Software, Inc. + +This file is part of Quake III Arena source code. + +Quake III Arena source code 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. + +Quake III Arena source code 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 Foobar; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA +=========================================================================== +*/ + +#include "tr_local.h" + +/* + +All bones should be an identity orientation to display the mesh exactly +as it is specified. + +For all other frames, the bones represent the transformation from the +orientation of the bone in the base frame to the orientation in this +frame. + +*/ + +/* +============== +R_AddAnimSurfaces +============== +*/ +void R_AddAnimSurfaces( trRefEntity_t *ent ) { + md4Header_t *header; + md4Surface_t *surface; + md4LOD_t *lod; + shader_t *shader; + int i; + + header = tr.currentModel->md4; + lod = (md4LOD_t *)( (byte *)header + header->ofsLODs ); + + surface = (md4Surface_t *)( (byte *)lod + lod->ofsSurfaces ); + for ( i = 0 ; i < lod->numSurfaces ; i++ ) { + shader = R_GetShaderByHandle( surface->shaderIndex ); + R_AddDrawSurf( (void *)surface, shader, 0 /*fogNum*/, qfalse ); + surface = (md4Surface_t *)( (byte *)surface + surface->ofsEnd ); + } +} + + +/* +============== +RB_SurfaceAnim +============== +*/ +void RB_SurfaceAnim( md4Surface_t *surface ) { + int i, j, k; + float frontlerp, backlerp; + int *triangles; + int indexes; + int baseIndex, baseVertex; + int numVerts; + md4Vertex_t *v; + md4Bone_t bones[MD4_MAX_BONES]; + md4Bone_t *bonePtr, *bone; + md4Header_t *header; + md4Frame_t *frame; + md4Frame_t *oldFrame; + int frameSize; + + + if ( backEnd.currentEntity->e.oldframe == backEnd.currentEntity->e.frame ) { + backlerp = 0; + frontlerp = 1; + } else { + backlerp = backEnd.currentEntity->e.backlerp; + frontlerp = 1.0f - backlerp; + } + header = (md4Header_t *)((byte *)surface + surface->ofsHeader); + + frameSize = (int)( &((md4Frame_t *)0)->bones[ header->numBones ] ); + + frame = (md4Frame_t *)((byte *)header + header->ofsFrames + + backEnd.currentEntity->e.frame * frameSize ); + oldFrame = (md4Frame_t *)((byte *)header + header->ofsFrames + + backEnd.currentEntity->e.oldframe * frameSize ); + + RB_CheckOverflow( surface->numVerts, surface->numTriangles * 3 ); + + triangles = (int *) ((byte *)surface + surface->ofsTriangles); + indexes = surface->numTriangles * 3; + baseIndex = tess.numIndexes; + baseVertex = tess.numVertexes; + for (j = 0 ; j < indexes ; j++) { + tess.indexes[baseIndex + j] = baseIndex + triangles[j]; + } + tess.numIndexes += indexes; + + // + // lerp all the needed bones + // + if ( !backlerp ) { + // no lerping needed + bonePtr = frame->bones; + } else { + bonePtr = bones; + for ( i = 0 ; i < header->numBones*12 ; i++ ) { + ((float *)bonePtr)[i] = frontlerp * ((float *)frame->bones)[i] + + backlerp * ((float *)oldFrame->bones)[i]; + } + } + + // + // deform the vertexes by the lerped bones + // + numVerts = surface->numVerts; + // FIXME + // This makes TFC's skeletons work. Shouldn't be necessary anymore, but left + // in for reference. + //v = (md4Vertex_t *) ((byte *)surface + surface->ofsVerts + 12); + v = (md4Vertex_t *) ((byte *)surface + surface->ofsVerts); + for ( j = 0; j < numVerts; j++ ) { + vec3_t tempVert, tempNormal; + md4Weight_t *w; + + VectorClear( tempVert ); + VectorClear( tempNormal ); + w = v->weights; + for ( k = 0 ; k < v->numWeights ; k++, w++ ) { + bone = bonePtr + w->boneIndex; + + tempVert[0] += w->boneWeight * ( DotProduct( bone->matrix[0], w->offset ) + bone->matrix[0][3] ); + tempVert[1] += w->boneWeight * ( DotProduct( bone->matrix[1], w->offset ) + bone->matrix[1][3] ); + tempVert[2] += w->boneWeight * ( DotProduct( bone->matrix[2], w->offset ) + bone->matrix[2][3] ); + + tempNormal[0] += w->boneWeight * DotProduct( bone->matrix[0], v->normal ); + tempNormal[1] += w->boneWeight * DotProduct( bone->matrix[1], v->normal ); + tempNormal[2] += w->boneWeight * DotProduct( bone->matrix[2], v->normal ); + } + + tess.xyz[baseVertex + j][0] = tempVert[0]; + tess.xyz[baseVertex + j][1] = tempVert[1]; + tess.xyz[baseVertex + j][2] = tempVert[2]; + + tess.normal[baseVertex + j][0] = tempNormal[0]; + tess.normal[baseVertex + j][1] = tempNormal[1]; + tess.normal[baseVertex + j][2] = tempNormal[2]; + + tess.texCoords[baseVertex + j][0][0] = v->texCoords[0]; + tess.texCoords[baseVertex + j][0][1] = v->texCoords[1]; + + // 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 *)&v->weights[v->numWeights]; + } + + tess.numVertexes += surface->numVerts; +} + + |