gered/Md2ToMesh
Archived
1
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

implemented writing ms3d file data into the output mesh file

Browse source
This commit is contained in:
gered 2011-02-20 15:42:17 -05:00
parent 37863a726a
commit d7414587b5
2 changed files with 111 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

108
MeshConverter/src/ms3d/ms3d.cpp
View file

@ -193,5 +193,113 @@ bool Ms3d::Load(const std::string &file)
bool Ms3d::ConvertToMesh(const std::string &file)
{
FILE *fp = fopen(file.c_str(), "wb");
if (fp == NULL)
return false;
fputs("MESH", fp);
unsigned char version = 1;
fwrite(&version, 1, 1, fp);
// vertices chunk
fputs("VTX", fp);
long numVertices = m_numVertices;
long sizeOfVertices = ((sizeof(float) * 3)) * numVertices + sizeof(long);
fwrite(&sizeOfVertices, sizeof(long), 1, fp);
fwrite(&numVertices, sizeof(long), 1, fp);
for (long i = 0; i < numVertices; ++i)
{
Ms3dVertex *vertex = &m_vertices[i];
fwrite(&vertex->vertex.x, sizeof(float), 1, fp);
fwrite(&vertex->vertex.y, sizeof(float), 1, fp);
fwrite(&vertex->vertex.z, sizeof(float), 1, fp);
}
// triangles chunk
fputs("TRI", fp);
long numTriangles = m_numTriangles;
long sizeOfTriangles = (sizeof(int) * 3 + (sizeof(float) * 3) * 3 + (sizeof(float) * 2) * 3) * numTriangles + sizeof(long);
fwrite(&sizeOfTriangles, sizeof(long), 1, fp);
fwrite(&numTriangles, sizeof(long), 1, fp);
for (long i = 0; i < numTriangles; ++i)
{
Ms3dTriangle *triangle = &m_triangles[i];
int index = triangle->vertices[0];
fwrite(&index, sizeof(int), 1, fp);
index = triangle->vertices[1];
fwrite(&index, sizeof(int), 1, fp);
index = triangle->vertices[2];
fwrite(&index, sizeof(int), 1, fp);
for (int j = 0; j < 3; ++j)
{
fwrite(&triangle->normals[j].x, sizeof(float), 1, fp);
fwrite(&triangle->normals[j].y, sizeof(float), 1, fp);
fwrite(&triangle->normals[j].z, sizeof(float), 1, fp);
}
for (int j = 0; j < 3; ++j)
{
fwrite(&triangle->texCoords[j].x, sizeof(float), 1, fp);
fwrite(&triangle->texCoords[j].y, sizeof(float), 1, fp);
}
}
// joints chunk
fputs("JNT", fp);
long numJoints = m_numJoints;
long sizeOfJointNames = 0;
for (long i = 0; i < numJoints; ++i)
sizeOfJointNames += (m_joints[i].name.length() + 1);
long sizeOfJoints = sizeOfJointNames + (sizeof(int) + sizeof(float) * 3 + sizeof(float) * 3) * numJoints + sizeof(long);
fwrite(&sizeOfJoints, sizeof(long), 1, fp);
fwrite(&numJoints, sizeof(long), 1, fp);
for (long i = 0; i < numJoints; ++i)
{
Ms3dJoint *joint = &m_joints[i];
fwrite(joint->name.c_str(), joint->name.length(), 1, fp);
char c = '\0';
fwrite(&c, 1, 1, fp);
int parentIndex = FindIndexOfJoint(joint->parentName);
fwrite(&parentIndex, sizeof(int), 1, fp);
fwrite(&joint->position.x, sizeof(float), 1, fp);
fwrite(&joint->position.y, sizeof(float), 1, fp);
fwrite(&joint->position.z, sizeof(float), 1, fp);
fwrite(&joint->rotation.x, sizeof(float), 1, fp);
fwrite(&joint->rotation.y, sizeof(float), 1, fp);
fwrite(&joint->rotation.z, sizeof(float), 1, fp);
}
// joints to vertices mapping chunk
fputs("JTV", fp);
long numMappings = numVertices;
long sizeOfJointMappings = (sizeof(int) + sizeof(float)) * numMappings + sizeof(long);
fwrite(&sizeOfJointMappings, sizeof(long), 1, fp);
fwrite(&numMappings, sizeof(long), 1, fp);
for (long i = 0; i < numMappings; ++i)
{
Ms3dVertex *vertex = &m_vertices[i];
int jointIndex = vertex->jointIndex;
fwrite(&jointIndex, sizeof(int), 1, fp);
float weight = 1.0f;
fwrite(&weight, sizeof(float), 1, fp);
}
fclose(fp);
return true;
}
int Ms3d::FindIndexOfJoint(const std::string &jointName)
{
if (jointName.length() == 0)
return -1;
for (int i = 0; i < m_numJoints; ++i)
{
Ms3dJoint *joint = &m_joints[i];
if (joint->name == jointName)
return i;
}
return -1;
}

2
MeshConverter/src/ms3d/ms3d.h
View file

@ -117,6 +117,8 @@ public:
Ms3dJoint* GetJoints() { return m_joints; }
private:
int FindIndexOfJoint(const std::string &jointName);
unsigned short m_numVertices;
unsigned short m_numTriangles;
unsigned short m_numMeshes;