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Add stone cliffs to heightmap gen

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This commit is contained in:
Goodlyay 2017-03-28 00:12:05 -07:00
parent ee92c6c2be
commit 84302d7f60
1 changed files with 27 additions and 2 deletions
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29
MCGalaxy/Generator/HeightmapGen.cs
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@ -86,15 +86,40 @@ namespace MCGalaxy.Generator {
for (int z = 0; z < bmp.Height; z++) for (int z = 0; z < bmp.Height; z++)
for (int x = 0; x < bmp.Width; x++) for (int x = 0; x < bmp.Width; x++)
{ {
const int drop = 2;
int height = bmp.GetPixel(x, z).R * lvl.Height / 255; int height = bmp.GetPixel(x, z).R * lvl.Height / 255;
byte dirtBlock = Block.dirt;
byte grassBlock = Block.grass;
if (
IsShorterBy(height, drop, bmp, lvl.Height, x-1, z) ||
IsShorterBy(height, drop, bmp, lvl.Height, x+1, z) ||
IsShorterBy(height, drop, bmp, lvl.Height, x, z-1) ||
IsShorterBy(height, drop, bmp, lvl.Height, x, z+1)
) {
dirtBlock = Block.rock;
grassBlock = Block.rock;
}
for (int y = 0; y < height - 1; y++) for (int y = 0; y < height - 1; y++)
lvl.blocks[index + oneY * y] = Block.dirt; lvl.blocks[index + oneY * y] = dirtBlock;
if (height > 0) if (height > 0)
lvl.blocks[index + oneY * (height - 1)] = Block.grass; lvl.blocks[index + oneY * (height - 1)] = grassBlock;
index++; index++;
} }
} }
return true; return true;
} }
static bool IsShorterBy(int height, int drop, Bitmap bmp, ushort lvlHeight, int x, int z) {
if (x >= bmp.Width || x < 0 || z >= bmp.Height || z < 0 ) {
return false;
}
int heightNeighbor = bmp.GetPixel(x, z).R * lvlHeight / 255;
return height - heightNeighbor >= drop;
}
} }
} }