157 lines
4.0 KiB
C++
157 lines
4.0 KiB
C++
/**
|
|
* $Id$
|
|
*
|
|
* ***** BEGIN GPL LICENSE BLOCK *****
|
|
*
|
|
* This program 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.
|
|
*
|
|
* This program 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 this program; if not, write to the Free Software Foundation,
|
|
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*
|
|
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
|
|
* All rights reserved.
|
|
*
|
|
* The Original Code is: all of this file.
|
|
*
|
|
* Contributor(s): none yet.
|
|
*
|
|
* ***** END GPL LICENSE BLOCK *****
|
|
* Deformer that supports armature skinning
|
|
*/
|
|
|
|
#ifdef WIN32
|
|
#pragma warning (disable:4786) // get rid of stupid stl-visual compiler debug warning
|
|
#endif //WIN32
|
|
|
|
#include "MEM_guardedalloc.h"
|
|
|
|
#include "DNA_key_types.h"
|
|
#include "DNA_mesh_types.h"
|
|
#include "DNA_meshdata_types.h"
|
|
|
|
#include "RAS_BucketManager.h"
|
|
#include "RAS_IPolygonMaterial.h"
|
|
|
|
#include "KX_GameObject.h"
|
|
|
|
#include "BL_SkinMeshObject.h"
|
|
#include "BL_DeformableGameObject.h"
|
|
|
|
BL_SkinMeshObject::BL_SkinMeshObject(Mesh* mesh)
|
|
: RAS_MeshObject (mesh)
|
|
{
|
|
m_bDeformed = true;
|
|
|
|
if (m_mesh && m_mesh->key)
|
|
{
|
|
KeyBlock *kb;
|
|
int count=0;
|
|
// initialize weight cache for shape objects
|
|
// count how many keys in this mesh
|
|
for(kb= (KeyBlock*)m_mesh->key->block.first; kb; kb= (KeyBlock*)kb->next)
|
|
count++;
|
|
m_cacheWeightIndex.resize(count,-1);
|
|
}
|
|
}
|
|
|
|
BL_SkinMeshObject::~BL_SkinMeshObject()
|
|
{
|
|
if (m_mesh && m_mesh->key)
|
|
{
|
|
KeyBlock *kb;
|
|
// remove the weight cache to avoid memory leak
|
|
for(kb= (KeyBlock*)m_mesh->key->block.first; kb; kb= (KeyBlock*)kb->next) {
|
|
if(kb->weights)
|
|
MEM_freeN(kb->weights);
|
|
kb->weights= NULL;
|
|
}
|
|
}
|
|
}
|
|
|
|
void BL_SkinMeshObject::UpdateBuckets(void* clientobj,double* oglmatrix,bool useObjectColor,const MT_Vector4& rgbavec, bool visible, bool culled)
|
|
{
|
|
list<RAS_MeshMaterial>::iterator it;
|
|
list<RAS_MeshSlot*>::iterator sit;
|
|
|
|
for(it = m_materials.begin();it!=m_materials.end();++it) {
|
|
if(!it->m_slots[clientobj])
|
|
continue;
|
|
|
|
RAS_MeshSlot *slot = *it->m_slots[clientobj];
|
|
slot->SetDeformer(((BL_DeformableGameObject*)clientobj)->GetDeformer());
|
|
}
|
|
|
|
RAS_MeshObject::UpdateBuckets(clientobj, oglmatrix, useObjectColor, rgbavec, visible, culled);
|
|
}
|
|
|
|
static int get_def_index(Object* ob, const char* vgroup)
|
|
{
|
|
bDeformGroup *curdef;
|
|
int index = 0;
|
|
|
|
for (curdef = (bDeformGroup*)ob->defbase.first; curdef; curdef=(bDeformGroup*)curdef->next, index++)
|
|
if (!strcmp(curdef->name, vgroup))
|
|
return index;
|
|
|
|
return -1;
|
|
}
|
|
|
|
void BL_SkinMeshObject::CheckWeightCache(Object* obj)
|
|
{
|
|
KeyBlock *kb;
|
|
int kbindex, defindex;
|
|
MDeformVert *dvert= NULL;
|
|
int totvert, i, j;
|
|
float *weights;
|
|
|
|
if (!m_mesh->key)
|
|
return;
|
|
|
|
for(kbindex=0, kb= (KeyBlock*)m_mesh->key->block.first; kb; kb= (KeyBlock*)kb->next, kbindex++)
|
|
{
|
|
// first check the cases where the weight must be cleared
|
|
if (kb->vgroup[0] == 0 ||
|
|
m_mesh->dvert == NULL ||
|
|
(defindex = get_def_index(obj, kb->vgroup)) == -1) {
|
|
if (kb->weights) {
|
|
MEM_freeN(kb->weights);
|
|
kb->weights = NULL;
|
|
}
|
|
m_cacheWeightIndex[kbindex] = -1;
|
|
} else if (m_cacheWeightIndex[kbindex] != defindex) {
|
|
// a weight array is required but the cache is not matching
|
|
if (kb->weights) {
|
|
MEM_freeN(kb->weights);
|
|
kb->weights = NULL;
|
|
}
|
|
|
|
dvert= m_mesh->dvert;
|
|
totvert= m_mesh->totvert;
|
|
|
|
weights= (float*)MEM_callocN(totvert*sizeof(float), "weights");
|
|
|
|
for (i=0; i < totvert; i++, dvert++) {
|
|
for(j=0; j<dvert->totweight; j++) {
|
|
if (dvert->dw[j].def_nr == defindex) {
|
|
weights[i]= dvert->dw[j].weight;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
kb->weights = weights;
|
|
m_cacheWeightIndex[kbindex] = defindex;
|
|
}
|
|
}
|
|
}
|
|
|
|
|