CTerrain::CTerrain(IDirect3DDevice9* device,
std::string heightmapFileName,
int numVertsPerRow,
int numVertsPerCol,
int cellSpacing,
float heightScale)
{
_device = device;
_numVertsPerRow = numVertsPerRow;
_numVertsPerCol = numVertsPerCol;
_cellSpacing = cellSpacing;
_numCellsPerRow = _numVertsPerRow - 1;
_numCellsPerCol = _numVertsPerCol - 1;
_width = _numCellsPerRow * _cellSpacing;
_depth = _numCellsPerCol * _cellSpacing;
_numVertices = _numVertsPerRow * _numVertsPerCol;
_numTriangles = _numCellsPerRow * _numCellsPerCol * 2;
_heightScale = heightScale;
// 加载高度图
if (!readRawFile(heightmapFileName))
{
::MessageBox(0, _T("readRawFile - FAILED"), 0, 0);
::PostQuitMessage(0);
}
// 高度缩放
for (unsigned int i = 0; i < _heightmap.size(); i++)
_heightmap[i] *= heightScale;
// 计算点点坐标
if (!computeVertices())
{
::MessageBox(0, _T("computeVertices - FAILED"), 0, 0);
::PostQuitMessage(0);
}
// 计算索引
if (!computeIndices())
{
::MessageBox(0, _T("computeIndices - FAILED"), 0, 0);
::PostQuitMessage(0);
}
computeNormals();
}
Terrain::Terrain(IDirect3DDevice9* device,
std::string heightmapFileName,
int numVertsPerRow,
int numVertsPerCol,
int cellSpacing,
float heightScale)
{
_device = device;
_numVertsPerRow = numVertsPerRow;
_numVertsPerCol = numVertsPerCol;
_cellSpacing = cellSpacing;
_numCellsPerRow = _numVertsPerRow - 1;
_numCellsPerCol = _numVertsPerCol - 1;
_width = _numCellsPerRow * _cellSpacing;
_depth = _numCellsPerCol * _cellSpacing;
_numVertices = _numVertsPerRow * _numVertsPerCol;
_numTriangles = _numCellsPerRow * _numCellsPerCol * 2;
_heightScale = heightScale;
// load heightmap
if( !readRawFile(heightmapFileName) )
{
::MessageBox(0, "readRawFile - FAILED", 0, 0);
::PostQuitMessage(0);
}
// scale heights
for(int i = 0; i < _heightmap.size(); i++)
_heightmap[i] *= heightScale;
// compute the vertices
if( !computeVertices() )
{
::MessageBox(0, "computeVertices - FAILED", 0, 0);
::PostQuitMessage(0);
}
// compute the indices
if( !computeIndices() )
{
::MessageBox(0, "computeIndices - FAILED", 0, 0);
::PostQuitMessage(0);
}
}
bool TileAssembler::fillModelIntoTree(AABSPTree<SubModel *> *pMainTree, const Vector3& pBasePos, std::string& pPos, std::string& pModelFilename)
{
bool result = false;
ModelPosition modelPosition;
getModelPosition(pPos, modelPosition);
// all should be relative to object base position
modelPosition.moveToBasePos(pBasePos);
modelPosition.init();
if(readRawFile(pModelFilename, modelPosition, pMainTree))
{
result = true;
}
return result;
}
