public static bool GenerateBlankLevelBlock(Level level, Vector3 coordinate, string defaultTextureName)
{
if (level.Contains(coordinate))
{
return false;
}
string[] detailTextureNames = new string[5] { defaultTextureName, null, null, null, null };
Vector2[] uvOffsets = new Vector2[5] { Vector2.Zero, Vector2.Zero, Vector2.Zero, Vector2.Zero, Vector2.Zero };
Vector2[] uvScales = new Vector2[5] { Vector2.One, Vector2.One, Vector2.One, Vector2.One, Vector2.One };
Color[] blankHeightMap = new Color[HeightMapMesh.NUM_SIDE_VERTICES * HeightMapMesh.NUM_SIDE_VERTICES];
for (int i = 0; i < blankHeightMap.Length; i++)
{
blankHeightMap[i] = new Color(0, 0, 0, 0);
}
Texture2D blankHeightMapTexture = new Texture2D(GraphicsManager.Device, HeightMapMesh.NUM_SIDE_VERTICES, HeightMapMesh.NUM_SIDE_VERTICES);
Color[] blankAlphaMap = new Color[HeightMapMesh.NUM_SIDE_VERTICES * HeightMapMesh.NUM_SIDE_VERTICES * HeightMapMesh.NUM_SIDE_TEXELS_PER_QUAD * HeightMapMesh.NUM_SIDE_TEXELS_PER_QUAD];
for (int i = 0; i < blankAlphaMap.Length; i++)
{
blankAlphaMap[i] = new Color(0, 0, 0, 0);
}
Texture2D blankAlphaMapTexture = new Texture2D(GraphicsManager.Device, HeightMapMesh.NUM_SIDE_VERTICES * HeightMapMesh.NUM_SIDE_TEXELS_PER_QUAD, HeightMapMesh.NUM_SIDE_VERTICES * HeightMapMesh.NUM_SIDE_TEXELS_PER_QUAD);
return AddNewLevelBlock(level, coordinate, blankHeightMapTexture, blankAlphaMapTexture, detailTextureNames, uvOffsets, uvScales);
}
public static bool AddNewLevelBlock(Level level, Vector3 coordinate, Texture2D heightMap, Texture2D alphaMap, string[] detailTextureNames, Vector2[] uvOffsets, Vector2[] uvScales)
{
if (level.Contains(coordinate))
{
return false;
}
Color[] heightColors = new Color[HeightMapMesh.NUM_SIDE_VERTICES * HeightMapMesh.NUM_SIDE_VERTICES];
if (heightMap.Width != HeightMapMesh.NUM_SIDE_VERTICES || heightMap.Height != HeightMapMesh.NUM_SIDE_VERTICES)
{
RenderTarget2D resizedHeightMap = new RenderTarget2D(GraphicsManager.Device, HeightMapMesh.NUM_SIDE_VERTICES, HeightMapMesh.NUM_SIDE_VERTICES);
GraphicsManager.Device.SetRenderTarget(resizedHeightMap);
GraphicsManager.SpriteBatch.Begin();
GraphicsManager.SpriteBatch.Draw(heightMap, new Rectangle(0, 0, HeightMapMesh.NUM_SIDE_VERTICES, HeightMapMesh.NUM_SIDE_VERTICES), Color.White);
GraphicsManager.SpriteBatch.End();
GraphicsManager.Device.SetRenderTarget(null);
resizedHeightMap.GetData(heightColors);
}
else
{
heightMap.GetData(heightColors);
}
float[,] heights = new float[HeightMapMesh.NUM_SIDE_VERTICES, HeightMapMesh.NUM_SIDE_VERTICES];
for (int i = 0; i < heightColors.Length; i++)
{
heights[i % HeightMapMesh.NUM_SIDE_VERTICES, i / HeightMapMesh.NUM_SIDE_VERTICES] = ConvertColorToFloat(heightColors[i]);
}
if (alphaMap.Height != HeightMapMesh.NUM_SIDE_VERTICES * HeightMapMesh.NUM_SIDE_TEXELS_PER_QUAD ||
alphaMap.Width != HeightMapMesh.NUM_SIDE_VERTICES * HeightMapMesh.NUM_SIDE_TEXELS_PER_QUAD)
{
RenderTarget2D resizedAlphaMap = new RenderTarget2D(GraphicsManager.Device,
HeightMapMesh.NUM_SIDE_VERTICES * HeightMapMesh.NUM_SIDE_TEXELS_PER_QUAD,
HeightMapMesh.NUM_SIDE_VERTICES * HeightMapMesh.NUM_SIDE_TEXELS_PER_QUAD);
GraphicsManager.Device.SetRenderTarget(resizedAlphaMap);
GraphicsManager.SpriteBatch.Begin();
GraphicsManager.SpriteBatch.Draw(alphaMap,
new Rectangle(0,
0,
HeightMapMesh.NUM_SIDE_VERTICES * HeightMapMesh.NUM_SIDE_TEXELS_PER_QUAD,
HeightMapMesh.NUM_SIDE_VERTICES * HeightMapMesh.NUM_SIDE_TEXELS_PER_QUAD),
Color.White);
GraphicsManager.SpriteBatch.End();
GraphicsManager.Device.SetRenderTarget(null);
alphaMap = resizedAlphaMap;
}
HeightMapMesh heightMapMesh = new HeightMapMesh(heights, alphaMap, detailTextureNames, uvOffsets, uvScales);
AssetLibrary.AddHeightMap(level.Name + coordinate.ToString(), heightMapMesh);
level.AddNewBlock(coordinate);
return true;
}