public bool TryGetValue(int x, int z, out HeightMapInfo[] heights, out int heightIndex)
{
int fx = x >> 8;
int fz = z >> 8;
heightIndex = ((z - (fz << 8)) << 8) + (x - (fx << 8));
uint key = (uint)(((fz + 1024) << 16) + (fx + 1024));
if (key == lastKey && lastSector != null)
{
heights = lastSector;
}
else if (!heightSectors.TryGetValue(key, out heights))
{
heights = new HeightMapInfo[65536];
heightSectors.Add(key, heights);
}
lastSector = heights;
lastKey = key;
return(heights [heightIndex].groundLevel != 0);
}
/// <summary>
/// Paints the terrain inside the chunk defined by its central "position"
/// </summary>
/// <returns><c>true</c>, if terrain was painted, <c>false</c> otherwise.</returns>
public override bool PaintChunk(VoxelChunk chunk)
{
Vector3 position = chunk.position;
if (position.y + VoxelPlayEnvironment.CHUNK_HALF_SIZE < minHeight)
{
chunk.isAboveSurface = false;
return(false);
}
int bedrockRow = -1;
if ((object)bedrockVoxel != null && position.y < minHeight + VoxelPlayEnvironment.CHUNK_HALF_SIZE)
{
bedrockRow = (int)(minHeight - (position.y - VoxelPlayEnvironment.CHUNK_HALF_SIZE) + 1) * ONE_Y_ROW;
}
position.x -= VoxelPlayEnvironment.CHUNK_HALF_SIZE;
position.y -= VoxelPlayEnvironment.CHUNK_HALF_SIZE;
position.z -= VoxelPlayEnvironment.CHUNK_HALF_SIZE;
Vector3 pos;
int waterLevel = env.waterLevel > 0 ? env.waterLevel : -1;
Voxel[] voxels = chunk.voxels;
bool hasContent = false;
bool isAboveSurface = false;
for (int z = 0; z < VoxelPlayEnvironment.CHUNK_SIZE; z++)
{
pos.z = position.z + z;
int arrayZIndex = z * ONE_Z_ROW;
for (int x = 0; x < VoxelPlayEnvironment.CHUNK_SIZE; x++)
{
pos.x = position.x + x;
HeightMapInfo heightMapInfo = env.GetHeightMapInfoFast(pos.x, pos.z);
float groundLevel = heightMapInfo.groundLevel;
float surfaceLevel = waterLevel > groundLevel ? waterLevel : groundLevel;
if (surfaceLevel < position.y)
{
// position is above terrain or water
isAboveSurface = true;
continue;
}
int hindex = GetHeightIndex(pos.x, pos.z);
if (hindex < 0)
{
continue;
}
VoxelDefinition vd = heights [hindex].terrainVoxelTop;
if ((object)vd == null)
{
continue;
}
int y = (int)(surfaceLevel - position.y);
if (y >= VoxelPlayEnvironment.CHUNK_SIZE)
{
y = (VoxelPlayEnvironment.CHUNK_SIZE - 1);
}
pos.y = position.y + y;
// Place voxels
int voxelIndex = y * ONE_Y_ROW + arrayZIndex + x;
if (pos.y > groundLevel)
{
// water above terrain
if (pos.y == surfaceLevel)
{
isAboveSurface = true;
}
while (pos.y > groundLevel && voxelIndex >= 0)
{
voxels [voxelIndex].Set(waterVoxel);
voxelIndex -= ONE_Y_ROW;
pos.y--;
}
}
else if (pos.y == groundLevel)
{
isAboveSurface = true;
if (voxels [voxelIndex].hasContent == 0)
{
// surface => draw voxel top, vegetation and trees
voxels [voxelIndex].Set(vd);
#if UNITY_EDITOR
if (!env.draftModeActive)
{
#endif
// Check tree probability
if (pos.y > waterLevel)
{
ModelDefinition treeModel = heights [hindex].treeModel;
if (env.enableTrees && treeModel != null)
{
env.RequestTreeCreation(chunk, pos, treeModel);
}
else if (env.enableVegetation)
{
VoxelDefinition vegetation = heights [hindex].vegetationVoxel;
if (vegetation != null)
{
if (voxelIndex >= (VoxelPlayEnvironment.CHUNK_SIZE - 1) * ONE_Y_ROW)
{
env.RequestVegetationCreation(chunk.top, voxelIndex - ONE_Y_ROW * (VoxelPlayEnvironment.CHUNK_SIZE - 1), vegetation);
}
else
{
voxels [voxelIndex + ONE_Y_ROW].Set(vegetation);
}
env.vegetationCreated++;
}
}
}
#if UNITY_EDITOR
}
#endif
}
voxelIndex -= ONE_Y_ROW;
}
// Continue filling down
vd = heights [hindex].terrainVoxelDirt;
while (voxelIndex > bedrockRow)
{
if (voxels [voxelIndex].hasContent == 0)
{
voxels [voxelIndex].SetFastOpaque(vd);
}
voxelIndex -= ONE_Y_ROW;
}
if (bedrockRow >= 0)
{
voxels [voxelIndex].SetFastOpaque(bedrockVoxel);
}
hasContent = true;
}
}
chunk.isAboveSurface = isAboveSurface;
return(hasContent);
}
void RefreshBiomeTexture()
{
if (biomeTex == null || biomeTex.width != mapResolution)
{
biomeTex = new Texture2D(mapResolution, mapResolution, TextureFormat.ARGB32, false);
}
int width = biomeTex.width;
int height = biomeTex.height;
Color[] colors = new Color[width * height];
if (env == null || tg == null)
{
colors.Fill <Color> (new Color(0, 0.5f, 0, 0.5f));
}
else
{
env.SetBiomeDefaultColors(false);
colors.Fill <Color> (Misc.colorTransparent);
// reset biome stats
for (int k = 0; k < world.biomes.Length; k++)
{
if (world.biomes [k] != null)
{
world.biomes [k].biomeMapOccurrences = 0;
}
}
// draw biome colors
for (int j = 0; j < height; j++)
{
float z = (maxZ - minZ) * (float)j / height + minZ;
int jj = j * width;
for (int k = 0; k < width; k++)
{
float x = (maxX - minX) * (float)k / width + minX;
HeightMapInfo info = env.GetTerrainInfo(x, z);
if (info.groundLevel <= tg.waterLevel)
{
colors [jj + k] = waterColor;
}
else
{
BiomeDefinition biome = info.biome;
if (biome == null)
{
continue;
}
biome.biomeMapOccurrences++;
if (biome.showInBiomeMap)
{
colors [jj + k] = biome.biomeMapColor;
}
}
}
}
int gridCount = (int)((maxZ - minZ) / gridStep);
Color gridColor = new Color(64, 64, 64, 0.2f);
// draw horizontal grid lines
for (int j = 0; j <= gridCount; j++)
{
int y = (int)((height - 1f) * j / gridCount);
for (int k = 0; k < width; k++)
{
colors [y * width + k] = gridColor;
}
}
gridCount = (int)((maxX - minX) / gridStep);
// draw vertical grid lines
for (int j = 0; j <= gridCount; j++)
{
int x = (int)((width - 1f) * j / gridCount);
for (int k = 0; k < height; k++)
{
colors [k * width + x] = gridColor;
}
}
}
biomeTex.SetPixels(colors);
biomeTex.Apply();
}