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bone transformations influence verts according to weights

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devZoGok
2021-10-19 19:06:41 +03:00
parent 3753d08ca5
commit 73f49e91bc
13 changed files with 325 additions and 145 deletions
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model.cpp
+74 -47
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@@ -102,13 +102,13 @@ namespace vb01{
string animName="";
Bone *animBone=nullptr;
vector<Vector3> vertPos,vertNorm;
const int numVertsPerFace=3;
int numVertPos=0,numFaces=0,vertId=0,faceId=0,groupId=-1,groupVertId=0,numGroups=0,numShapeKeys=0;
int numFaces=0,vertId=0,faceId=0,groupId=0,groupVertId=0,numGroups=0,numShapeKeys=0;
Mesh::Vertex *vertices;
u32 *indices;
Mesh::VertexGroup *groups=nullptr;
Mesh::ShapeKey *shapeKeys=nullptr;
vector<Vector3> vertPos,vertNorm;
vector<float> vertWeights;
string *groups=nullptr,*shapeKeys=nullptr;
while(getline(in,l)){
int colonId=-1;
@@ -170,18 +170,36 @@ namespace vb01{
getLineData(postColon,data,numData);
float length=atof(data[0].c_str());
Vector3 pos=Vector3(atof(data[2].c_str()),atof(data[4].c_str()),-atof(data[3].c_str()));
Vector3 xAxis=Vector3(atof(data[5].c_str()),atof(data[7].c_str()),-atof(data[6].c_str())),yAxis=Vector3(atof(data[8].c_str()),atof(data[10].c_str()),-atof(data[9].c_str())),zAxis=xAxis.cross(yAxis);
Vector3 pos=Vector3(atof(data[2].c_str()),atof(data[3].c_str()),atof(data[4].c_str()));
Vector3 xAxis=Vector3(atof(data[5].c_str()),atof(data[6].c_str()),atof(data[6].c_str()));
Vector3 yAxis=Vector3(atof(data[8].c_str()),atof(data[9].c_str()),atof(data[10].c_str()));
Vector3 zAxis=xAxis.cross(yAxis);
string parName=string(data[0].c_str());
Node *parent=skeleton->getBone(parName);
if(!parent)
if(!parent){
parent=this;
swap(xAxis.y,xAxis.z);
xAxis.z=-xAxis.z;
swap(yAxis.y,yAxis.z);
yAxis.z=-yAxis.z;
swap(zAxis.y,zAxis.z);
zAxis.z=-zAxis.z;
}
Bone *bone=new Bone(preColon);
Vector3 parAxis[]={
parent->getLocalAxis(0),
parent->getLocalAxis(1),
parent->getLocalAxis(2)
};
Vector3 boneAxis[3]={
(parAxis[0]*xAxis.x+parAxis[1]*xAxis.y+parAxis[2]*xAxis.z).norm(),
(parAxis[0]*yAxis.x+parAxis[1]*yAxis.y+parAxis[2]*yAxis.z).norm(),
(parAxis[0]*zAxis.x+parAxis[1]*zAxis.y+parAxis[2]*zAxis.z).norm()
};
Bone *bone=new Bone(preColon,boneAxis,pos);
skeleton->addBone(bone,parent);
bone->setPosition(parent->globalToLocalPosition(pos));
bone->lookAt(yAxis,zAxis,parent);
bone->lookAt(boneAxis[1],boneAxis[2],parent);
break;
}
@@ -253,22 +271,22 @@ namespace vb01{
MeshStage meshStage;
if(preColon=="vertices"){
string data[2];
getLineData(postColon,data,2);
numVertPos=atoi(data[0].c_str());
const int numData=4;
string data[numData];
getLineData(postColon,data,numData);
numFaces=atoi(data[1].c_str());
numGroups=atoi(data[2].c_str());
vertices=new Mesh::Vertex[numFaces*numVertsPerFace];
indices=new u32[numFaces*numVertsPerFace];
meshStage=VERTICES;
continue;
}
else if(preColon=="faces"){
meshStage=FACES;
vertices=new Mesh::Vertex[numFaces*numVertsPerFace];
indices=new u32[numFaces*numVertsPerFace];
continue;
}
else if(preColon=="groups"){
numGroups=atoi(postColon.c_str());
groups=new Mesh::VertexGroup[numGroups];
groups=new string[numGroups];
meshStage=GROUPS;
continue;
}
@@ -279,13 +297,35 @@ namespace vb01{
switch(meshStage){
{
case VERTICES:
int numData=6;
int numData=10;
string data[numData];
getLineData(l,data,numData);
Vector3 vp=Vector3(atof(data[0].c_str()),atof(data[2].c_str()),-atof(data[1].c_str()));
Vector3 vn=Vector3(atof(data[3].c_str()),atof(data[5].c_str()),-atof(data[4].c_str()));
vertPos.push_back(vp);
vertNorm.push_back(vn);
Vector3 vPos=Vector3(atof(data[0].c_str()),atof(data[2].c_str()),-atof(data[1].c_str()));
Vector3 vNorm=Vector3(atof(data[3].c_str()),atof(data[5].c_str()),-atof(data[4].c_str()));
float vWeights[]{
atof(data[6].c_str()),
atof(data[7].c_str()),
atof(data[8].c_str()),
atof(data[9].c_str())
};
vertPos.push_back(vPos);
vertNorm.push_back(vNorm);
for(int i=0;i<4;i++)
vertWeights.push_back(vWeights[i]);
/*
Vector2 vertUv=Vector2(atof(data[5].c_str()),atof(data[6].c_str()));
Vector3 vertTan=Vector3(atof(data[7].c_str()),atof(data[9].c_str()),-atof(data[10].c_str()));
Vector3 vertBitan=Vector3(atof(data[11].c_str()),atof(data[13].c_str()),-atof(data[12].c_str()));
*/
/*
Mesh::Vertex vert;
vert.pos=vertPos;
vert.norm=vertNorm;
vert.uv=vertUv;
vert.tan=vertTan;
vert.biTan=vertBitan;
*/
//vertices[vertId]=vert;
break;
}
{
@@ -293,22 +333,26 @@ namespace vb01{
int numData=9;
string data[numData];
getLineData(l,data,numData);
u32 index=atoi(data[0].c_str());
int index=atoi(data[0].c_str());
Vector2 uv=Vector2(atof(data[1].c_str()),atof(data[2].c_str()));
Vector3 tan=Vector3(atof(data[3].c_str()),atof(data[5].c_str()),-atof(data[4].c_str()));
Vector3 biTan=Vector3(atof(data[6].c_str()),atof(data[8].c_str()),-atof(data[7].c_str()));
/*
*/
Vector3 biTan=Vector3(atof(data[6].c_str()),atof(data[8].c_str()),-atof(data[7].c_str()));
Mesh::Vertex vert;
vert.pos=vertPos[index];
vert.norm=vertNorm[index];
vert.uv=uv;
vert.tan=tan;
vert.biTan=biTan;
vert.uv=uv;
vert.weights[0]=vertWeights[index*4+0];
vert.weights[1]=vertWeights[index*4+1];
vert.weights[2]=vertWeights[index*4+2];
vert.weights[3]=vertWeights[index*4+3];
for(int i=0;i<numVertsPerFace;i++){
}
indices[vertId]=vertId;
vertices[vertId]=vert;
indices[vertId]=vertId;
vertId++;
break;
}
@@ -318,26 +362,9 @@ namespace vb01{
meshes.push_back(new Mesh(vertices,indices,numFaces,groups,numGroups,shapeKeys,numShapeKeys,name));
break;
}
else if(colonId!=-1){
groupId++,groupVertId=0;
int numVerts=atoi(postColon.c_str());
groups[groupId].numVertices=numVerts;
groups[groupId].name=preColon;
if(numVerts>0){
groups[groupId].vertices=new u32[numVerts];
groups[groupId].weights=new float[numVerts];
}
}
else{
int numData=2,vertId;
float weight;
string data[numData];
getLineData(l,data,numData);
vertId=atoi(data[0].c_str());
weight=atof(data[1].c_str());
groups[groupId].vertices[groupVertId]=vertId;
groups[groupId].weights[groupVertId]=weight;
groupVertId++;
groups[groupId]=l;
groupId++;
}
break;
}