234 lines
8.3 KiB
C++
234 lines
8.3 KiB
C++
#include "SurfacePatch.h"
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#include "Constants.h"
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#include "OgreLogManager.h"
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#include "OgreStringConverter.h"
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#include <algorithm>
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namespace Ogre
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{
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SurfacePatch::SurfacePatch()
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{
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m_setVertices.clear();
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m_listTriangles.clear();
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m_uTrianglesAdded = 0;
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m_uVerticesAdded = 0;
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vertexIndices = 0;
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beginDefinition(); //FIXME - we shouldn't really be calling this from the constructor.
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}
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SurfacePatch::~SurfacePatch()
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{
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}
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void SurfacePatch::beginDefinition(void)
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{
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vertexIndices = new long int [(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)];
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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...
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}
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void SurfacePatch::endDefinition(void)
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{
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//LogManager::getSingleton().logMessage("No of triangles added = " + StringConverter::toString(m_uTrianglesAdded));
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//LogManager::getSingleton().logMessage("No of triangles present = " + StringConverter::toString(m_listTriangles.size()));
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//LogManager::getSingleton().logMessage("No of vertices added = " + StringConverter::toString(m_uVerticesAdded));
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//LogManager::getSingleton().logMessage("No of vertices present = " + StringConverter::toString(m_setVertices.size()));
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delete vertexIndices;
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vertexIndices = 0;
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}
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void SurfacePatch::addTriangle(const SurfaceVertex& v0,const SurfaceVertex& v1,const SurfaceVertex& v2)
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{
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/*m_vecVertexData.push_back(v0);
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m_vecIndexData.push_back(m_vecVertexData.size()-1);
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m_vecVertexData.push_back(v1);
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m_vecIndexData.push_back(m_vecVertexData.size()-1);
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m_vecVertexData.push_back(v2);
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m_vecIndexData.push_back(m_vecVertexData.size()-1);*/
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m_uTrianglesAdded++;
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m_uVerticesAdded += 3;
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SurfaceTriangle triangle;
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long int index;
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unsigned int vertexScaledX;
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unsigned int vertexScaledY;
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unsigned int vertexScaledZ;
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vertexScaledX = static_cast<unsigned int>((v0.position.x * 2.0) + 0.5);
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vertexScaledY = static_cast<unsigned int>((v0.position.y * 2.0) + 0.5);
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vertexScaledZ = static_cast<unsigned int>((v0.position.z * 2.0) + 0.5);
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vertexScaledX %= OGRE_REGION_SIDE_LENGTH*2+1;
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vertexScaledY %= OGRE_REGION_SIDE_LENGTH*2+1;
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vertexScaledZ %= OGRE_REGION_SIDE_LENGTH*2+1;
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//If a vertex has not yet been added, it's index is -1
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index = vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)];
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if((index == -1))
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{
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//Add the vertex
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m_vecVertexData.push_back(v0);
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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;
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m_vecIndexData.push_back(m_vecVertexData.size()-1);
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}
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else
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{
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//Just reuse the existing vertex
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m_vecIndexData.push_back(index);
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}
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vertexScaledX = static_cast<unsigned int>((v1.position.x * 2.0) + 0.5);
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vertexScaledY = static_cast<unsigned int>((v1.position.y * 2.0) + 0.5);
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vertexScaledZ = static_cast<unsigned int>((v1.position.z * 2.0) + 0.5);
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vertexScaledX %= OGRE_REGION_SIDE_LENGTH*2+1;
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vertexScaledY %= OGRE_REGION_SIDE_LENGTH*2+1;
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vertexScaledZ %= OGRE_REGION_SIDE_LENGTH*2+1;
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//If a vertex has not yet been added, it's index is -1
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index = vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)];
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if((index == -1))
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{
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//Add the vertex
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m_vecVertexData.push_back(v1);
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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;
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m_vecIndexData.push_back(m_vecVertexData.size()-1);
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}
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else
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{
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//Just reuse the existing vertex
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m_vecIndexData.push_back(index);
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}
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vertexScaledX = static_cast<unsigned int>((v2.position.x * 2.0) + 0.5);
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vertexScaledY = static_cast<unsigned int>((v2.position.y * 2.0) + 0.5);
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vertexScaledZ = static_cast<unsigned int>((v2.position.z * 2.0) + 0.5);
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vertexScaledX %= OGRE_REGION_SIDE_LENGTH*2+1;
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vertexScaledY %= OGRE_REGION_SIDE_LENGTH*2+1;
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vertexScaledZ %= OGRE_REGION_SIDE_LENGTH*2+1;
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//If a vertex has not yet been added, it's index is -1
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index = vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)];
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if((index == -1))
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{
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//Add the vertex
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m_vecVertexData.push_back(v2);
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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;
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m_vecIndexData.push_back(m_vecVertexData.size()-1);
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}
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else
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{
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//Just reuse the existing vertex
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m_vecIndexData.push_back(index);
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}
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/*m_setVertices.insert(v0);
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m_setVertices.insert(v1);
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m_setVertices.insert(v2);
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triangle.v0 = std::find(m_setVertices.begin(), m_setVertices.end(), v0);
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triangle.v1 = std::find(m_setVertices.begin(), m_setVertices.end(), v1);
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triangle.v2 = std::find(m_setVertices.begin(), m_setVertices.end(), v2);*/
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//m_listTriangles.push_back(triangle);
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/*triangle.v0->listTrianglesUsingThisVertex.push_back(m_listTriangles.end());
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triangle.v1->listTrianglesUsingThisVertex.push_back(m_listTriangles.end());
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triangle.v2->listTrianglesUsingThisVertex.push_back(m_listTriangles.end());*/
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}
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void SurfacePatch::getVertexAndIndexData(std::vector<SurfaceVertex>& vertexData, std::vector<uint>& indexData)
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{
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/*vertexData.clear();
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indexData.clear();*/
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vertexData = m_vecVertexData;
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indexData = m_vecIndexData;
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return;
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#ifdef BLAH
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vertexData.resize(m_setVertices.size());
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std::copy(m_setVertices.begin(), m_setVertices.end(), vertexData.begin());
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sort(vertexData.begin(),vertexData.end());
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//reverse(vertexData.begin(),vertexData.end());
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for(std::list<SurfaceTriangle>::iterator iterTriangles = m_listTriangles.begin(); iterTriangles != m_listTriangles.end(); ++iterTriangles)
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{
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/*vertexData.push_back(*(iterTriangles->v0));
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indexData.push_back(vertexData.size()-1);
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vertexData.push_back(*(iterTriangles->v1));
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indexData.push_back(vertexData.size()-1);
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vertexData.push_back(*(iterTriangles->v2));
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indexData.push_back(vertexData.size()-1);*/
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/*std::set<SurfaceVertex>::iterator iterVertex = m_setVertices.find((*(iterTriangles->v0)));
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indexData.push_back(iterVertex - m_setVertices.begin());
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iterVertex = m_setVertices.find((*(iterTriangles->v1)));
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indexData.push_back(iterVertex - m_setVertices.begin());
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iterVertex = m_setVertices.find((*(iterTriangles->v2)));
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indexData.push_back(iterVertex - m_setVertices.begin());*/
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/*for(uint ct = 0; ct < vertexData.size(); ++ct)
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{
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if(vertexData[ct] == (*(iterTriangles->v0)))
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{
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indexData.push_back(ct);
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break;
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}
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}*/
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std::vector<SurfaceVertex>::iterator iterVertex = find(vertexData.begin(), vertexData.end(),(*(iterTriangles->v0)));
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if(iterVertex == vertexData.end())
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{
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LogManager::getSingleton().logMessage("Vertex 0 Not Found");
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}
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indexData.push_back(iterVertex - vertexData.begin());
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iterVertex = find(vertexData.begin(), vertexData.end(),(*(iterTriangles->v1)));
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if(iterVertex == vertexData.end())
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{
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LogManager::getSingleton().logMessage("Vertex 1 Not Found");
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}
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indexData.push_back(iterVertex - vertexData.begin());
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iterVertex = find(vertexData.begin(), vertexData.end(),(*(iterTriangles->v2)));
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if(iterVertex == vertexData.end())
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{
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LogManager::getSingleton().logMessage("Vertex 2 Not Found");
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}
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indexData.push_back(iterVertex - vertexData.begin());
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/*for(uint ct = 0; ct < vertexData.size(); ++ct)
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{
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if(vertexData[ct] == (*(iterTriangles->v1)))
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{
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indexData.push_back(ct);
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break;
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}
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}
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for(uint ct = 0; ct < vertexData.size(); ++ct)
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{
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if(vertexData[ct] == (*(iterTriangles->v2)))
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{
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indexData.push_back(ct);
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break;
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}
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}*/
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}
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/*vertexData = m_vecVertexData;
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indexData = m_vecIndexData;*/
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#endif
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}
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}
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