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store face indices per material for drawing

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This commit is contained in:
Josh Holtrop 2011-04-24 22:35:58 -04:00
parent d13e3a60b2
commit 0bdfff50e7
2 changed files with 8 additions and 0 deletions
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7
WFObj.cc
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@ -123,6 +123,7 @@ void WFObj::clear()
for (int i = 0; i < sizeof(m_vertices)/sizeof(m_vertices[0]); i++) for (int i = 0; i < sizeof(m_vertices)/sizeof(m_vertices[0]); i++)
m_vertices[i].clear(); m_vertices[i].clear();
m_faces.clear(); m_faces.clear();
m_face_indices.clear();
m_materials.clear(); m_materials.clear();
m_valid = false; m_valid = false;
m_path = ""; m_path = "";
@ -451,6 +452,8 @@ bool WFObj::buildVBO()
it != m_faces.end(); it != m_faces.end();
it++) it++)
{ {
int first = vid;
int num = 0;
for (vector<Face>::iterator fit = it->second.begin(); for (vector<Face>::iterator fit = it->second.begin();
fit != it->second.end(); fit != it->second.end();
fit++) fit++)
@ -473,9 +476,13 @@ bool WFObj::buildVBO()
if (vf.texture != 0) if (vf.texture != 0)
texture_ref_count++; texture_ref_count++;
if (flat_vertices.find(vf) == flat_vertices.end()) if (flat_vertices.find(vf) == flat_vertices.end())
{
flat_vertices[vf] = vid++; flat_vertices[vf] = vid++;
num++;
}
} }
} }
m_face_indices[it->first] = make_pair(first, num);
} }
if (texture_ref_count == 0) if (texture_ref_count == 0)
do_textures = false; do_textures = false;

1
WFObj.h
View File

@ -104,6 +104,7 @@ protected:
/* variables */ /* variables */
std::vector<Vertex> m_vertices[VERTEX_TYPES]; std::vector<Vertex> m_vertices[VERTEX_TYPES];
std::map< std::string, std::vector< Face > > m_faces; std::map< std::string, std::vector< Face > > m_faces;
std::map< std::string, std::pair<int, int> > m_face_indices;
std::map< std::string, Material > m_materials; std::map< std::string, Material > m_materials;
float m_aabb[6]; float m_aabb[6];
std::string m_path; std::string m_path;