summaryrefslogtreecommitdiffstats
path: root/src/main/java/net/minecraft/server/WorldGenBigTree.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/main/java/net/minecraft/server/WorldGenBigTree.java')
-rw-r--r--src/main/java/net/minecraft/server/WorldGenBigTree.java373
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;
+ }
+ }
+}