001package net.minecraft.world.gen.feature; 002 003import java.util.Random; 004import net.minecraft.block.Block; 005import net.minecraft.util.MathHelper; 006import net.minecraft.world.World; 007 008public class WorldGenMinable extends WorldGenerator 009{ 010 /** The block ID of the ore to be placed using this generator. */ 011 private int minableBlockId; 012 private int minableBlockMeta = 0; 013 014 /** The number of blocks to generate. */ 015 private int numberOfBlocks; 016 private int field_94523_c; 017 018 public WorldGenMinable(int par1, int par2) 019 { 020 this(par1, par2, Block.stone.blockID); 021 } 022 023 public WorldGenMinable(int par1, int par2, int par3) 024 { 025 this.minableBlockId = par1; 026 this.numberOfBlocks = par2; 027 this.field_94523_c = par3; 028 } 029 030 public WorldGenMinable(int id, int meta, int number, int target) 031 { 032 this(id, number, target); 033 minableBlockMeta = meta; 034 } 035 036 public boolean generate(World par1World, Random par2Random, int par3, int par4, int par5) 037 { 038 float f = par2Random.nextFloat() * (float)Math.PI; 039 double d0 = (double)((float)(par3 + 8) + MathHelper.sin(f) * (float)this.numberOfBlocks / 8.0F); 040 double d1 = (double)((float)(par3 + 8) - MathHelper.sin(f) * (float)this.numberOfBlocks / 8.0F); 041 double d2 = (double)((float)(par5 + 8) + MathHelper.cos(f) * (float)this.numberOfBlocks / 8.0F); 042 double d3 = (double)((float)(par5 + 8) - MathHelper.cos(f) * (float)this.numberOfBlocks / 8.0F); 043 double d4 = (double)(par4 + par2Random.nextInt(3) - 2); 044 double d5 = (double)(par4 + par2Random.nextInt(3) - 2); 045 046 for (int l = 0; l <= this.numberOfBlocks; ++l) 047 { 048 double d6 = d0 + (d1 - d0) * (double)l / (double)this.numberOfBlocks; 049 double d7 = d4 + (d5 - d4) * (double)l / (double)this.numberOfBlocks; 050 double d8 = d2 + (d3 - d2) * (double)l / (double)this.numberOfBlocks; 051 double d9 = par2Random.nextDouble() * (double)this.numberOfBlocks / 16.0D; 052 double d10 = (double)(MathHelper.sin((float)l * (float)Math.PI / (float)this.numberOfBlocks) + 1.0F) * d9 + 1.0D; 053 double d11 = (double)(MathHelper.sin((float)l * (float)Math.PI / (float)this.numberOfBlocks) + 1.0F) * d9 + 1.0D; 054 int i1 = MathHelper.floor_double(d6 - d10 / 2.0D); 055 int j1 = MathHelper.floor_double(d7 - d11 / 2.0D); 056 int k1 = MathHelper.floor_double(d8 - d10 / 2.0D); 057 int l1 = MathHelper.floor_double(d6 + d10 / 2.0D); 058 int i2 = MathHelper.floor_double(d7 + d11 / 2.0D); 059 int j2 = MathHelper.floor_double(d8 + d10 / 2.0D); 060 061 for (int k2 = i1; k2 <= l1; ++k2) 062 { 063 double d12 = ((double)k2 + 0.5D - d6) / (d10 / 2.0D); 064 065 if (d12 * d12 < 1.0D) 066 { 067 for (int l2 = j1; l2 <= i2; ++l2) 068 { 069 double d13 = ((double)l2 + 0.5D - d7) / (d11 / 2.0D); 070 071 if (d12 * d12 + d13 * d13 < 1.0D) 072 { 073 for (int i3 = k1; i3 <= j2; ++i3) 074 { 075 double d14 = ((double)i3 + 0.5D - d8) / (d10 / 2.0D); 076 077 Block block = Block.blocksList[par1World.getBlockId(k2, l2, i3)]; 078 if (d12 * d12 + d13 * d13 + d14 * d14 < 1.0D && (block != null && block.isGenMineableReplaceable(par1World, k2, l2, i3, field_94523_c))) 079 { 080 par1World.setBlockAndMetadataWithNotify(k2, l2, i3, this.minableBlockId, minableBlockMeta, 2); 081 } 082 } 083 } 084 } 085 } 086 } 087 } 088 089 return true; 090 } 091}