some experiments

1 files changed, 15 insertions, 3 deletions

diff --git a/ihl/worldgen/WorldGeneratorUndergroundLake.java b/ihl/worldgen/WorldGeneratorUndergroundLake.java
index 6cd0870..b902efa 100644
--- a/ihl/worldgen/WorldGeneratorUndergroundLake.java
+++ b/ihl/worldgen/WorldGeneratorUndergroundLake.java
@@ -18,11 +18,23 @@ public class WorldGeneratorUndergroundLake extends WorldGeneratorBase {
 		int x = centralPOI[0], y = centralPOI[1] - world.getActualHeight() / 4, z = centralPOI[2];
 		for (int ix = x; ix < 16 && ix >= 0; ix += IHLMathUtils.sign(surroundPOI[0] - x)) {
 			int y2 = y += IHLMathUtils.sign(surroundPOI[1] - world.getActualHeight() / 4 - y);
-			for (int iz = z; iz < 16 && iz >= 0; iz += IHLMathUtils.sign(surroundPOI[2] - z)) {
+			nextZ:for (int iz = z; iz < 16 && iz >= 0; iz += IHLMathUtils.sign(surroundPOI[2] - z)) {
 				y2 += IHLMathUtils.sign(surroundPOI[1] - world.getActualHeight() / 4 - y2);
-				if (y2 > 1) {
-					this.replace(world, ix + startX, y2 + 1, iz + startZ, clayBlock);
+				int dx = ix - x;
+				int dz = iz - z;
+				int d = dx * dx + dz * dz;
+				if (y2 > 1 && d < 64) {
 					for (int iy = y2; iy > 0; iy--) {
+						int[] xyz = new int[] { 0, 0, -1, 0, 0, 1, 0, 0 };
+						for (int i = 2; i < xyz.length; i++) {
+							int absX = ix + startX + xyz[i - 2];
+							int absZ = iz + startZ + xyz[i];
+							if(!world.getChunkProvider().chunkExists(absX >> 4, absZ >> 4))	{
+								continue nextZ;
+							}
+							this.replaceAllExceptOre(world, absX, iy + xyz[i - 1],absZ,
+									clayBlock);
+						}
 						this.replace(world, ix + startX, iy, iz + startZ, ore);
 					}
 				}