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author | sk89q <the.sk89q@gmail.com> | 2011-01-30 13:53:57 -0800 |
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committer | sk89q <the.sk89q@gmail.com> | 2011-01-30 13:54:43 -0800 |
commit | 639d3e3f9400b0b5db23a48fedd7442edb180a43 (patch) | |
tree | 0f9e81616d4e8b4539213a2ee7e18700cce448e4 /src/main/java/net/minecraft/server/WorldGenBigTree.java | |
parent | 1bc9c54233275b7bf79d73954aae8e86f876da41 (diff) | |
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Added support for different tree generation types and a callback.
Diffstat (limited to 'src/main/java/net/minecraft/server/WorldGenBigTree.java')
-rw-r--r-- | src/main/java/net/minecraft/server/WorldGenBigTree.java | 373 |
1 files changed, 373 insertions, 0 deletions
diff --git a/src/main/java/net/minecraft/server/WorldGenBigTree.java b/src/main/java/net/minecraft/server/WorldGenBigTree.java new file mode 100644 index 00000000..7e093a64 --- /dev/null +++ b/src/main/java/net/minecraft/server/WorldGenBigTree.java @@ -0,0 +1,373 @@ +package net.minecraft.server; + +import java.util.Random; + +//CraftBukkit start +import org.bukkit.BlockChangeDelegate; +//CraftBukkit end + +public class WorldGenBigTree extends WorldGenerator { + + static final byte[] a = new byte[] { (byte) 2, (byte) 0, (byte) 0, (byte) 1, (byte) 2, (byte) 1}; + Random b = new Random(); + // CraftBukkit start + BlockChangeDelegate c; + // CraftBukkit end + int[] d = new int[] { 0, 0, 0}; + int e = 0; + int f; + double g = 0.618D; + double h = 1.0D; + double i = 0.381D; + double j = 1.0D; + double k = 1.0D; + int l = 1; + int m = 12; + int n = 4; + int[][] o; + + public WorldGenBigTree() {} + + void a() { + this.f = (int) ((double) this.e * this.g); + if (this.f >= this.e) { + this.f = this.e - 1; + } + + int i = (int) (1.382D + Math.pow(this.k * (double) this.e / 13.0D, 2.0D)); + + if (i < 1) { + i = 1; + } + + int[][] aint = new int[i * this.e][4]; + int j = this.d[1] + this.e - this.n; + int k = 1; + int l = this.d[1] + this.f; + int i1 = j - this.d[1]; + + aint[0][0] = this.d[0]; + aint[0][1] = j; + aint[0][2] = this.d[2]; + aint[0][3] = l; + --j; + + while (i1 >= 0) { + int j1 = 0; + float f = this.a(i1); + + if (f < 0.0F) { + --j; + --i1; + } else { + for (double d0 = 0.5D; j1 < i; ++j1) { + double d1 = this.j * (double) f * ((double) this.b.nextFloat() + 0.328D); + double d2 = (double) this.b.nextFloat() * 2.0D * 3.14159D; + int k1 = (int) (d1 * Math.sin(d2) + (double) this.d[0] + d0); + int l1 = (int) (d1 * Math.cos(d2) + (double) this.d[2] + d0); + int[] aint1 = new int[] { k1, j, l1}; + int[] aint2 = new int[] { k1, j + this.n, l1}; + + if (this.a(aint1, aint2) == -1) { + int[] aint3 = new int[] { this.d[0], this.d[1], this.d[2]}; + double d3 = Math.sqrt(Math.pow((double) Math.abs(this.d[0] - aint1[0]), 2.0D) + Math.pow((double) Math.abs(this.d[2] - aint1[2]), 2.0D)); + double d4 = d3 * this.i; + + if ((double) aint1[1] - d4 > (double) l) { + aint3[1] = l; + } else { + aint3[1] = (int) ((double) aint1[1] - d4); + } + + if (this.a(aint3, aint1) == -1) { + aint[k][0] = k1; + aint[k][1] = j; + aint[k][2] = l1; + aint[k][3] = aint3[1]; + ++k; + } + } + } + + --j; + --i1; + } + } + + this.o = new int[k][4]; + System.arraycopy(aint, 0, this.o, 0, k); + } + + void a(int i, int j, int k, float f, byte b0, int l) { + int i1 = (int) ((double) f + 0.618D); + byte b1 = a[b0]; + byte b2 = a[b0 + 3]; + int[] aint = new int[] { i, j, k}; + int[] aint1 = new int[] { 0, 0, 0}; + int j1 = -i1; + int k1 = -i1; + + for (aint1[b0] = aint[b0]; j1 <= i1; ++j1) { + aint1[b1] = aint[b1] + j1; + k1 = -i1; + + while (k1 <= i1) { + double d0 = Math.sqrt(Math.pow((double) Math.abs(j1) + 0.5D, 2.0D) + Math.pow((double) Math.abs(k1) + 0.5D, 2.0D)); + + if (d0 > (double) f) { + ++k1; + } else { + aint1[b2] = aint[b2] + k1; + int l1 = this.c.getTypeId(aint1[0], aint1[1], aint1[2]); + + if (l1 != 0 && l1 != 18) { + ++k1; + } else { + this.c.setTypeId(aint1[0], aint1[1], aint1[2], l); + ++k1; + } + } + } + } + } + + float a(int i) { + if ((double) i < (double) ((float) this.e) * 0.3D) { + return -1.618F; + } else { + float f = (float) this.e / 2.0F; + float f1 = (float) this.e / 2.0F - (float) i; + float f2; + + if (f1 == 0.0F) { + f2 = f; + } else if (Math.abs(f1) >= f) { + f2 = 0.0F; + } else { + f2 = (float) Math.sqrt(Math.pow((double) Math.abs(f), 2.0D) - Math.pow((double) Math.abs(f1), 2.0D)); + } + + f2 *= 0.5F; + return f2; + } + } + + float b(int i) { + return i >= 0 && i < this.n ? (i != 0 && i != this.n - 1 ? 3.0F : 2.0F) : -1.0F; + } + + void a(int i, int j, int k) { + int l = j; + + for (int i1 = j + this.n; l < i1; ++l) { + float f = this.b(l - j); + + this.a(i, l, k, f, (byte) 1, 18); + } + } + + void a(int[] aint, int[] aint1, int i) { + int[] aint2 = new int[] { 0, 0, 0}; + byte b0 = 0; + + byte b1; + + for (b1 = 0; b0 < 3; ++b0) { + aint2[b0] = aint1[b0] - aint[b0]; + if (Math.abs(aint2[b0]) > Math.abs(aint2[b1])) { + b1 = b0; + } + } + + if (aint2[b1] != 0) { + byte b2 = a[b1]; + byte b3 = a[b1 + 3]; + byte b4; + + if (aint2[b1] > 0) { + b4 = 1; + } else { + b4 = -1; + } + + double d0 = (double) aint2[b2] / (double) aint2[b1]; + double d1 = (double) aint2[b3] / (double) aint2[b1]; + int[] aint3 = new int[] { 0, 0, 0}; + int j = 0; + + for (int k = aint2[b1] + b4; j != k; j += b4) { + aint3[b1] = MathHelper.b((double) (aint[b1] + j) + 0.5D); + aint3[b2] = MathHelper.b((double) aint[b2] + (double) j * d0 + 0.5D); + aint3[b3] = MathHelper.b((double) aint[b3] + (double) j * d1 + 0.5D); + this.c.setTypeId(aint3[0], aint3[1], aint3[2], i); + } + } + } + + void b() { + int i = 0; + + for (int j = this.o.length; i < j; ++i) { + int k = this.o[i][0]; + int l = this.o[i][1]; + int i1 = this.o[i][2]; + + this.a(k, l, i1); + } + } + + boolean c(int i) { + return (double) i >= (double) this.e * 0.2D; + } + + void c() { + int i = this.d[0]; + int j = this.d[1]; + int k = this.d[1] + this.f; + int l = this.d[2]; + int[] aint = new int[] { i, j, l}; + int[] aint1 = new int[] { i, k, l}; + + this.a(aint, aint1, 17); + if (this.l == 2) { + ++aint[0]; + ++aint1[0]; + this.a(aint, aint1, 17); + ++aint[2]; + ++aint1[2]; + this.a(aint, aint1, 17); + aint[0] += -1; + aint1[0] += -1; + this.a(aint, aint1, 17); + } + } + + void d() { + int i = 0; + int j = this.o.length; + + for (int[] aint = new int[] { this.d[0], this.d[1], this.d[2]}; i < j; ++i) { + int[] aint1 = this.o[i]; + int[] aint2 = new int[] { aint1[0], aint1[1], aint1[2]}; + + aint[1] = aint1[3]; + int k = aint[1] - this.d[1]; + + if (this.c(k)) { + this.a(aint, aint2, 17); + } + } + } + + int a(int[] aint, int[] aint1) { + int[] aint2 = new int[] { 0, 0, 0}; + byte b0 = 0; + + byte b1; + + for (b1 = 0; b0 < 3; ++b0) { + aint2[b0] = aint1[b0] - aint[b0]; + if (Math.abs(aint2[b0]) > Math.abs(aint2[b1])) { + b1 = b0; + } + } + + if (aint2[b1] == 0) { + return -1; + } else { + byte b2 = a[b1]; + byte b3 = a[b1 + 3]; + byte b4; + + if (aint2[b1] > 0) { + b4 = 1; + } else { + b4 = -1; + } + + double d0 = (double) aint2[b2] / (double) aint2[b1]; + double d1 = (double) aint2[b3] / (double) aint2[b1]; + int[] aint3 = new int[] { 0, 0, 0}; + int i = 0; + + int j; + + for (j = aint2[b1] + b4; i != j; i += b4) { + aint3[b1] = aint[b1] + i; + aint3[b2] = (int) ((double) aint[b2] + (double) i * d0); + aint3[b3] = (int) ((double) aint[b3] + (double) i * d1); + int k = this.c.getTypeId(aint3[0], aint3[1], aint3[2]); + + if (k != 0 && k != 18) { + break; + } + } + + return i == j ? -1 : Math.abs(i); + } + } + + boolean e() { + int[] aint = new int[] { this.d[0], this.d[1], this.d[2]}; + int[] aint1 = new int[] { this.d[0], this.d[1] + this.e - 1, this.d[2]}; + int i = this.c.getTypeId(this.d[0], this.d[1] - 1, this.d[2]); + + if (i != 2 && i != 3) { + return false; + } else { + int j = this.a(aint, aint1); + + if (j == -1) { + return true; + } else if (j < 6) { + return false; + } else { + this.e = j; + return true; + } + } + } + + public void a(double d0, double d1, double d2) { + this.m = (int) (d0 * 12.0D); + if (d0 > 0.5D) { + this.n = 5; + } + + this.j = d1; + this.k = d2; + } + + public boolean a(World world, Random random, int i, int j, int k) { + // CraftBukkit start + // sk: The idea is to have (our) WorldServer implement + // BlockChangeDelegate and then we can implicitly cast World to + // WorldServer (a safe cast, AFAIK) and no code will be broken. This + // then allows plugins to catch manually-invoked generation events + return generate((BlockChangeDelegate)world, random, i, j, k); + } + + public boolean generate(BlockChangeDelegate world, Random random, int i, int j, int k) { + // CraftBukkit end + this.c = world; + long l = random.nextLong(); + + this.b.setSeed(l); + this.d[0] = i; + this.d[1] = j; + this.d[2] = k; + if (this.e == 0) { + this.e = 5 + this.b.nextInt(this.m); + } + + if (!this.e()) { + return false; + } else { + this.a(); + this.b(); + this.c(); + this.d(); + return true; + } + } +} |