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Refactoring work... working on meshes

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This commit is contained in:
David Williams 2007-08-31 19:40:51 +00:00
parent 121e00861c
commit c52dbe123d
3 changed files with 114 additions and 37 deletions
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2
include/SurfacePatch.h
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@ -31,6 +31,8 @@ namespace Ogre
uint m_uTrianglesAdded;
uint m_uVerticesAdded;
long int* vertexIndices;
};
}

6
source/PolyVoxSceneManager.cpp
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@ -563,10 +563,10 @@ namespace Ogre
std::map<uchar, SurfacePatch> result;
//Used later to check if vertex has already been added
long int vertexIndices[OGRE_REGION_SIDE_LENGTH*2+1][OGRE_REGION_SIDE_LENGTH*2+1][OGRE_REGION_SIDE_LENGTH*2+1][10];
//long int vertexIndices[OGRE_REGION_SIDE_LENGTH*2+1][OGRE_REGION_SIDE_LENGTH*2+1][OGRE_REGION_SIDE_LENGTH*2+1][10];
//uchar materialAtPosition[OGRE_REGION_SIDE_LENGTH*2+1][OGRE_REGION_SIDE_LENGTH*2+1][OGRE_REGION_SIDE_LENGTH*2+1]; //FIXME - do we really need this? Can't we just get it from the volume...
//bool isVertexSharedBetweenMaterials[OGRE_REGION_SIDE_LENGTH*2+1][OGRE_REGION_SIDE_LENGTH*2+1][OGRE_REGION_SIDE_LENGTH*2+1];
memset(vertexIndices,0xFF,sizeof(vertexIndices)); //0xFF is -1 as two's complement - this may not be portable...
//memset(vertexIndices,0xFF,sizeof(vertexIndices)); //0xFF is -1 as two's complement - this may not be portable...
//memset(materialAtPosition,0x00,sizeof(materialAtPosition));
//memset(isVertexSharedBetweenMaterials,0x00,sizeof(isVertexSharedBetweenMaterials));
@ -1005,6 +1005,8 @@ namespace Ogre
iterPatch->second.endDefinition();
}
//LogManager::getSingleton().logMessage("Finished Generating Mesh Data");
return result;
}

143
source/SurfacePatch.cpp
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@ -1,4 +1,5 @@
#include "SurfacePatch.h"
#include "Constants.h"
#include "OgreLogManager.h"
#include "OgreStringConverter.h"
@ -14,14 +15,24 @@ namespace Ogre
m_uTrianglesAdded = 0;
m_uVerticesAdded = 0;
vertexIndices = 0;
beginDefinition(); //FIXME - we shouldn't really be calling this from the constructor.
}
SurfacePatch::~SurfacePatch()
{
{
}
void SurfacePatch::beginDefinition(void)
{
vertexIndices = new long int [(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)];
memset(vertexIndices,0xFF,sizeof(long int)*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)); //0xFF is -1 as two's complement - this may not be portable...
/*for(unsigned long ct = 0;ct < (OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1); ct ++)
{
vertexIndices[ct] = -1;
}*/
}
void SurfacePatch::endDefinition(void)
@ -30,52 +41,106 @@ namespace Ogre
//LogManager::getSingleton().logMessage("No of triangles present = " + StringConverter::toString(m_listTriangles.size()));
//LogManager::getSingleton().logMessage("No of vertices added = " + StringConverter::toString(m_uVerticesAdded));
//LogManager::getSingleton().logMessage("No of vertices present = " + StringConverter::toString(m_setVertices.size()));
delete vertexIndices;
vertexIndices = 0;
}
void SurfacePatch::addTriangle(const SurfaceVertex& v0,const SurfaceVertex& v1,const SurfaceVertex& v2)
{
/*m_vecVertexData.push_back(v0);
m_vecIndexData.push_back(m_vecVertexData.size()-1);
m_vecVertexData.push_back(v1);
m_vecIndexData.push_back(m_vecVertexData.size()-1);
m_vecVertexData.push_back(v2);
m_vecIndexData.push_back(m_vecVertexData.size()-1);*/
m_uTrianglesAdded++;
m_uVerticesAdded += 3;
SurfaceTriangle triangle;
m_setVertices.insert(v0);
m_uVerticesAdded++;
long int index;
unsigned int vertexScaledX;
unsigned int vertexScaledY;
unsigned int vertexScaledZ;
vertexScaledX = static_cast<unsigned int>((v0.position.x * 2.0) + 0.5);
vertexScaledY = static_cast<unsigned int>((v0.position.y * 2.0) + 0.5);
vertexScaledZ = static_cast<unsigned int>((v0.position.z * 2.0) + 0.5);
vertexScaledX %= OGRE_REGION_SIDE_LENGTH*2+1;
vertexScaledY %= OGRE_REGION_SIDE_LENGTH*2+1;
vertexScaledZ %= OGRE_REGION_SIDE_LENGTH*2+1;
//If a vertex has not yet been added, it's index is -1
index = vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)];
if((index == -1))
{
//Add the vertex
m_vecVertexData.push_back(v0);
vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)] = m_vecVertexData.size()-1;
m_vecIndexData.push_back(m_vecVertexData.size()-1);
}
else
{
//Just reuse the existing vertex
m_vecIndexData.push_back(index);
}
vertexScaledX = static_cast<unsigned int>((v1.position.x * 2.0) + 0.5);
vertexScaledY = static_cast<unsigned int>((v1.position.y * 2.0) + 0.5);
vertexScaledZ = static_cast<unsigned int>((v1.position.z * 2.0) + 0.5);
vertexScaledX %= OGRE_REGION_SIDE_LENGTH*2+1;
vertexScaledY %= OGRE_REGION_SIDE_LENGTH*2+1;
vertexScaledZ %= OGRE_REGION_SIDE_LENGTH*2+1;
//If a vertex has not yet been added, it's index is -1
index = vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)];
if((index == -1))
{
//Add the vertex
m_vecVertexData.push_back(v1);
vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)] = m_vecVertexData.size()-1;
m_vecIndexData.push_back(m_vecVertexData.size()-1);
}
else
{
//Just reuse the existing vertex
m_vecIndexData.push_back(index);
}
vertexScaledX = static_cast<unsigned int>((v2.position.x * 2.0) + 0.5);
vertexScaledY = static_cast<unsigned int>((v2.position.y * 2.0) + 0.5);
vertexScaledZ = static_cast<unsigned int>((v2.position.z * 2.0) + 0.5);
vertexScaledX %= OGRE_REGION_SIDE_LENGTH*2+1;
vertexScaledY %= OGRE_REGION_SIDE_LENGTH*2+1;
vertexScaledZ %= OGRE_REGION_SIDE_LENGTH*2+1;
//If a vertex has not yet been added, it's index is -1
index = vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)];
if((index == -1))
{
//Add the vertex
m_vecVertexData.push_back(v2);
vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)] = m_vecVertexData.size()-1;
m_vecIndexData.push_back(m_vecVertexData.size()-1);
}
else
{
//Just reuse the existing vertex
m_vecIndexData.push_back(index);
}
/*m_setVertices.insert(v0);
m_setVertices.insert(v1);
m_uVerticesAdded++;
m_setVertices.insert(v2);
m_uVerticesAdded++;
triangle.v0 = std::find(m_setVertices.begin(), m_setVertices.end(), v0);
triangle.v1 = std::find(m_setVertices.begin(), m_setVertices.end(), v1);
triangle.v2 = std::find(m_setVertices.begin(), m_setVertices.end(), v2);
/*triangle.v0 = std::find(m_listVertices.begin(), m_listVertices.end(), v0);
if(triangle.v0 == m_listVertices.end()) //We have to add it
{
m_listVertices.push_back(v0);
triangle.v0 = m_listVertices.end();
triangle.v0--;
}
triangle.v2 = std::find(m_setVertices.begin(), m_setVertices.end(), v2);*/
triangle.v1 = std::find(m_listVertices.begin(), m_listVertices.end(), v1);
if(triangle.v1 == m_listVertices.end()) //We have to add it
{
m_listVertices.push_back(v1);
triangle.v1 = m_listVertices.end();
triangle.v1--;
}
triangle.v2 = std::find(m_listVertices.begin(), m_listVertices.end(), v2);
if(triangle.v2 == m_listVertices.end()) //We have to add it
{
m_listVertices.push_back(v2);
triangle.v2 = m_listVertices.end();
triangle.v2--;
}*/
m_listTriangles.push_back(triangle);
//m_listTriangles.push_back(triangle);
/*triangle.v0->listTrianglesUsingThisVertex.push_back(m_listTriangles.end());
triangle.v1->listTrianglesUsingThisVertex.push_back(m_listTriangles.end());
@ -84,8 +149,14 @@ namespace Ogre
void SurfacePatch::getVertexAndIndexData(std::vector<SurfaceVertex>& vertexData, std::vector<uint>& indexData)
{
vertexData.clear();
indexData.clear();
/*vertexData.clear();
indexData.clear();*/
vertexData = m_vecVertexData;
indexData = m_vecIndexData;
return;
#ifdef BLAH
vertexData.resize(m_setVertices.size());
std::copy(m_setVertices.begin(), m_setVertices.end(), vertexData.begin());
@ -160,5 +231,7 @@ namespace Ogre
/*vertexData = m_vecVertexData;
indexData = m_vecIndexData;*/
#endif
}
}