public void BuildColorMaps()
{
if (bottomLeft.colorMap == null)
{
bottomLeft.BuildColorMaps();
}
if (bottomRight.colorMap == null)
{
bottomRight.BuildColorMaps();
}
if (topLeft.colorMap == null)
{
topLeft.BuildColorMaps();
}
if (topRight.colorMap == null)
{
topRight.BuildColorMaps();
}
// Create colorMap of all children
Color[] combinedColorMap = new Color[textureSize * textureSize * 4];
for (int i = 0; i < bottomLeft.colorMap.Length; i++)
{
combinedColorMap[((Mathf.FloorToInt(i / textureSize)) * textureSize * 2) + (i % textureSize)] = bottomLeft.colorMap[i];
}
for (int i = 0; i < bottomRight.colorMap.Length; i++)
{
combinedColorMap[((Mathf.FloorToInt(i / textureSize)) * textureSize * 2) + textureSize + (i % textureSize)] = bottomRight.colorMap[i];
}
for (int i = 0; i < topLeft.colorMap.Length; i++)
{
combinedColorMap[((textureSize + Mathf.FloorToInt(i / textureSize)) * textureSize * 2) + (i % textureSize)] = topLeft.colorMap[i];
}
for (int i = 0; i < topRight.colorMap.Length; i++)
{
combinedColorMap[((textureSize + Mathf.FloorToInt(i / textureSize)) * textureSize * 2) + textureSize + (i % textureSize)] = topRight.colorMap[i];
}
// Shrink colorMap by combining pixels
colorMap = new Color[textureSize * textureSize];
for (int i = 0; i < colorMap.Length; i++)
{
int rowIncrement = (Mathf.FloorToInt(i / textureSize)) * textureSize * 4;
int columnIncrement = (i % textureSize) * 2;
float red = (combinedColorMap[columnIncrement + rowIncrement].r + combinedColorMap[columnIncrement + 1 + rowIncrement].r + combinedColorMap[columnIncrement + (textureSize * 2) + rowIncrement].r + combinedColorMap[columnIncrement + 1 + (textureSize * 2) + rowIncrement].r) / 4;
float green = (combinedColorMap[columnIncrement + rowIncrement].g + combinedColorMap[columnIncrement + 1 + rowIncrement].g + combinedColorMap[columnIncrement + (textureSize * 2) + rowIncrement].g + combinedColorMap[columnIncrement + 1 + (textureSize * 2) + rowIncrement].g) / 4;
Color color = new Color(red, green, 0f);
colorMap[i] = color;
}
}
// This was a one use method for converting to 512x512
private void ConvertTerrainTo512()
{
Debug.Log("convert start");
// add every color to the color map
Color[] colorMap = new Color[(int)maxSize * (int)maxSize];
foreach (Quadrant quadrant in root.GetLeafQuadrants())
{
for (int i = 0; i < quadrant.colorMap.Length; i++)
{
colorMap[((quadrant.position.y + Mathf.FloorToInt(i / (int)minSize)) * (int)maxSize) + quadrant.position.x + (i % (int)minSize)] = quadrant.colorMap[i];
}
}
Debug.Log("colormap done");
// create new quadrants with new scale
minSize = QuadrantSize.p256;
root = new Quadrant(maxSize, minSize, position);
Debug.Log("quadrant creation done");
// give quadrants appropriate colormaps
foreach (Quadrant quadrant in root.GetLeafQuadrants())
{
quadrant.colorMap = new Color[(int)minSize * (int)minSize];
for (int i = 0; i < quadrant.colorMap.Length; i++)
{
quadrant.colorMap[i] = colorMap[((quadrant.position.y + Mathf.FloorToInt(i / (int)minSize)) * (int)maxSize) + quadrant.position.x + (i % (int)minSize)];
}
}
// give parent quadrants appropriate colormaps
root.BuildColorMaps();
Debug.Log("colormap assignment done");
// generate textures for all quadrants
DrawTerrain();
// save all textures
}
