1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
package ihl.worldgen;
import java.util.HashSet;
import java.util.Random;
import java.util.Set;
import ihl.utils.IHLUtils;
import net.minecraft.block.Block;
import net.minecraft.world.World;
import net.minecraft.world.chunk.Chunk;
import net.minecraft.world.chunk.storage.ExtendedBlockStorage;
public abstract class WorldGeneratorBase {
private final Random random = new Random();
protected final Block ore;
private final Set<Block> replaceableBlocks = new HashSet<Block>(2);
public WorldGeneratorBase(Block oreIn, Block... replaceableBlocksIn) {
ore = oreIn;
for (Block block : replaceableBlocksIn) {
replaceableBlocks.add(block);
}
}
public void generate(World world, int chunkX, int chunkZ) {
int[] centralPOI = this.getPOI(world, chunkX, chunkZ, 0, 0);
int[] xz = new int[] { 0, 1, 0, -1, 0 };
for (int i = 0; i < 4; i++) {
int[] surroundPOI = this.getPOI(world, chunkX + xz[i], chunkZ + xz[i + 1], xz[i], xz[i + 1]);
this.replaceBlocks(world, centralPOI, surroundPOI, chunkX << 4, chunkZ << 4);
}
}
protected abstract void replaceBlocks(World world, final int[] centralPOI, final int[] surroundPOI,
final int startX, final int startZ);
protected boolean replace(World world, int absX, int absY, int absZ, final Block block) {
if (!world.getChunkProvider().chunkExists(absX >> 4, absZ >> 4)) {
throw new IllegalStateException("quered chunk is not yet generated!");
}
Chunk chunk = world.getChunkFromBlockCoords(absX, absZ);
ExtendedBlockStorage ebs = chunk.getBlockStorageArray()[absY >> 4];
if (ebs != null && replaceableBlocks.contains(ebs.getBlockByExtId(absX & 15, absY & 15, absZ & 15))) {
IHLUtils.setBlockRaw(ebs, absX & 15, absY & 15, absZ & 15, block);
return true;
}
return false;
}
protected boolean replaceAll(World world, int absX, int absY, int absZ, final Block block) {
if (!world.getChunkProvider().chunkExists(absX >> 4, absZ >> 4)) {
throw new IllegalStateException("quered chunk is not yet generated!");
}
Chunk chunk = world.getChunkFromBlockCoords(absX, absZ);
ExtendedBlockStorage ebs = chunk.getBlockStorageArray()[absY >> 4];
if (ebs != null) {
IHLUtils.setBlockRaw(ebs, absX & 15, absY & 15, absZ & 15, block);
return true;
}
return false;
}
private int[] getPOI(World world, int chunkX, int chunkZ, int xOffset, int zOffset) {
long seed = (long) chunkX << 16 ^ chunkZ << 8 ^ Block.getIdFromBlock(ore);
random.setSeed(seed);
return new int[] { random.nextInt(16) + xOffset * 16, random.nextInt(world.getActualHeight()/2),
random.nextInt(16) + zOffset * 16 };
}
}
|
