616f68bf8b
Added ability to hold shift and skip the terrain generation when loading Added ability for the perlin terrain to save a raw image of the terrain to use as a cache
38 lines
1.0 KiB
C++
38 lines
1.0 KiB
C++
#include "HeightMapTerrainNode.h"
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#define WORLD_HEIGHT 1024
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HeightMapTerrainNode::HeightMapTerrainNode(wstring name, wstring heightMap, wstring seed, float waterHeight, int widthX, int widthZ, int cellSizeX, int cellSizeZ) : TerrainNode(name, seed, waterHeight, widthX, widthZ, cellSizeX, cellSizeZ)
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{
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_heightMap = heightMap;
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// Try to load the height map otherwise fail and set the error bool
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if (!LoadHeightMap(_heightMap))
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{
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_initError = true;
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}
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}
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bool HeightMapTerrainNode::LoadHeightMap(wstring heightMapFilename)
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{
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unsigned int mapSize = _gridCols * _gridRows;
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USHORT* rawFileValues = new USHORT[mapSize];
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std::ifstream inputHeightMap;
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inputHeightMap.open(heightMapFilename.c_str(), std::ios_base::binary);
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if (!inputHeightMap)
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{
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return false;
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}
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inputHeightMap.read((char*)rawFileValues, mapSize * 2);
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inputHeightMap.close();
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// Normalise BYTE values to the range 0.0f - 1.0f;
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for (unsigned int i = 0; i < mapSize; i++)
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{
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_heightValues.push_back((float)rawFileValues[i] / 65536);
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}
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delete[] rawFileValues;
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return true;
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}
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