geforkt von Mirrors/Paper
372 Zeilen
11 KiB
Java
372 Zeilen
11 KiB
Java
package net.minecraft.server;
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import java.util.Random;
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import org.bukkit.BlockChangeDelegate; // CraftBukkit
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public class WorldGenBigTree extends WorldGenerator implements BlockSapling.TreeGenerator { // CraftBukkit add interface
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static final byte[] a = new byte[] { (byte) 2, (byte) 0, (byte) 0, (byte) 1, (byte) 2, (byte) 1};
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Random b = new Random();
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BlockChangeDelegate world; // CraftBukkit
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int[] d = new int[] { 0, 0, 0};
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int e = 0;
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int f;
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double g = 0.618D;
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double h = 1.0D;
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double i = 0.381D;
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double j = 1.0D;
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double k = 1.0D;
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int l = 1;
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int m = 12;
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int n = 4;
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int[][] o;
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public WorldGenBigTree(boolean flag) {
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super(flag);
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}
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void a() {
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this.f = (int) ((double) this.e * this.g);
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if (this.f >= this.e) {
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this.f = this.e - 1;
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}
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int i = (int) (1.382D + Math.pow(this.k * (double) this.e / 13.0D, 2.0D));
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if (i < 1) {
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i = 1;
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}
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int[][] aint = new int[i * this.e][4];
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int j = this.d[1] + this.e - this.n;
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int k = 1;
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int l = this.d[1] + this.f;
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int i1 = j - this.d[1];
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aint[0][0] = this.d[0];
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aint[0][1] = j;
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aint[0][2] = this.d[2];
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aint[0][3] = l;
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--j;
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while (i1 >= 0) {
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int j1 = 0;
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float f = this.a(i1);
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if (f < 0.0F) {
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--j;
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--i1;
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} else {
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for (double d0 = 0.5D; j1 < i; ++j1) {
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double d1 = this.j * (double) f * ((double) this.b.nextFloat() + 0.328D);
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double d2 = (double) this.b.nextFloat() * 2.0D * 3.14159D;
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int k1 = MathHelper.floor(d1 * Math.sin(d2) + (double) this.d[0] + d0);
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int l1 = MathHelper.floor(d1 * Math.cos(d2) + (double) this.d[2] + d0);
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int[] aint1 = new int[] { k1, j, l1};
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int[] aint2 = new int[] { k1, j + this.n, l1};
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if (this.a(aint1, aint2) == -1) {
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int[] aint3 = new int[] { this.d[0], this.d[1], this.d[2]};
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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));
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double d4 = d3 * this.i;
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if ((double) aint1[1] - d4 > (double) l) {
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aint3[1] = l;
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} else {
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aint3[1] = (int) ((double) aint1[1] - d4);
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}
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if (this.a(aint3, aint1) == -1) {
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aint[k][0] = k1;
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aint[k][1] = j;
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aint[k][2] = l1;
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aint[k][3] = aint3[1];
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++k;
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}
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}
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}
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--j;
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--i1;
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}
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}
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this.o = new int[k][4];
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System.arraycopy(aint, 0, this.o, 0, k);
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}
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void a(int i, int j, int k, float f, byte b0, int l) {
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int i1 = (int) ((double) f + 0.618D);
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byte b1 = a[b0];
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byte b2 = a[b0 + 3];
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int[] aint = new int[] { i, j, k};
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int[] aint1 = new int[] { 0, 0, 0};
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int j1 = -i1;
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int k1 = -i1;
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for (aint1[b0] = aint[b0]; j1 <= i1; ++j1) {
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aint1[b1] = aint[b1] + j1;
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k1 = -i1;
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while (k1 <= i1) {
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double d0 = Math.pow((double) Math.abs(j1) + 0.5D, 2.0D) + Math.pow((double) Math.abs(k1) + 0.5D, 2.0D);
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if (d0 > (double) (f * f)) {
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++k1;
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} else {
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aint1[b2] = aint[b2] + k1;
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int l1 = this.world.getTypeId(aint1[0], aint1[1], aint1[2]);
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if (l1 != 0 && l1 != 18) {
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++k1;
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} else {
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this.setTypeAndData(this.world, aint1[0], aint1[1], aint1[2], l, 0);
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++k1;
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}
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}
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}
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}
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}
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float a(int i) {
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if ((double) i < (double) ((float) this.e) * 0.3D) {
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return -1.618F;
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} else {
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float f = (float) this.e / 2.0F;
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float f1 = (float) this.e / 2.0F - (float) i;
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float f2;
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if (f1 == 0.0F) {
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f2 = f;
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} else if (Math.abs(f1) >= f) {
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f2 = 0.0F;
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} else {
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f2 = (float) Math.sqrt(Math.pow((double) Math.abs(f), 2.0D) - Math.pow((double) Math.abs(f1), 2.0D));
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}
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f2 *= 0.5F;
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return f2;
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}
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}
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float b(int i) {
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return i >= 0 && i < this.n ? (i != 0 && i != this.n - 1 ? 3.0F : 2.0F) : -1.0F;
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}
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void a(int i, int j, int k) {
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int l = j;
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for (int i1 = j + this.n; l < i1; ++l) {
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float f = this.b(l - j);
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this.a(i, l, k, f, (byte) 1, 18);
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}
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}
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void a(int[] aint, int[] aint1, int i) {
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int[] aint2 = new int[] { 0, 0, 0};
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byte b0 = 0;
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byte b1;
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for (b1 = 0; b0 < 3; ++b0) {
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aint2[b0] = aint1[b0] - aint[b0];
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if (Math.abs(aint2[b0]) > Math.abs(aint2[b1])) {
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b1 = b0;
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}
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}
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if (aint2[b1] != 0) {
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byte b2 = a[b1];
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byte b3 = a[b1 + 3];
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byte b4;
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if (aint2[b1] > 0) {
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b4 = 1;
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} else {
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b4 = -1;
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}
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double d0 = (double) aint2[b2] / (double) aint2[b1];
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double d1 = (double) aint2[b3] / (double) aint2[b1];
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int[] aint3 = new int[] { 0, 0, 0};
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int j = 0;
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for (int k = aint2[b1] + b4; j != k; j += b4) {
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aint3[b1] = MathHelper.floor((double) (aint[b1] + j) + 0.5D);
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aint3[b2] = MathHelper.floor((double) aint[b2] + (double) j * d0 + 0.5D);
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aint3[b3] = MathHelper.floor((double) aint[b3] + (double) j * d1 + 0.5D);
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this.setTypeAndData(this.world, aint3[0], aint3[1], aint3[2], i, 0);
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}
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}
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}
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void b() {
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int i = 0;
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for (int j = this.o.length; i < j; ++i) {
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int k = this.o[i][0];
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int l = this.o[i][1];
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int i1 = this.o[i][2];
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this.a(k, l, i1);
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}
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}
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boolean c(int i) {
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return (double) i >= (double) this.e * 0.2D;
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}
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void c() {
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int i = this.d[0];
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int j = this.d[1];
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int k = this.d[1] + this.f;
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int l = this.d[2];
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int[] aint = new int[] { i, j, l};
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int[] aint1 = new int[] { i, k, l};
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this.a(aint, aint1, 17);
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if (this.l == 2) {
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++aint[0];
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++aint1[0];
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this.a(aint, aint1, 17);
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++aint[2];
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++aint1[2];
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this.a(aint, aint1, 17);
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aint[0] += -1;
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aint1[0] += -1;
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this.a(aint, aint1, 17);
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}
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}
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void d() {
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int i = 0;
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int j = this.o.length;
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for (int[] aint = new int[] { this.d[0], this.d[1], this.d[2]}; i < j; ++i) {
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int[] aint1 = this.o[i];
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int[] aint2 = new int[] { aint1[0], aint1[1], aint1[2]};
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aint[1] = aint1[3];
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int k = aint[1] - this.d[1];
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if (this.c(k)) {
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this.a(aint, aint2, 17);
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}
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}
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}
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int a(int[] aint, int[] aint1) {
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int[] aint2 = new int[] { 0, 0, 0};
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byte b0 = 0;
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byte b1;
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for (b1 = 0; b0 < 3; ++b0) {
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aint2[b0] = aint1[b0] - aint[b0];
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if (Math.abs(aint2[b0]) > Math.abs(aint2[b1])) {
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b1 = b0;
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}
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}
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if (aint2[b1] == 0) {
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return -1;
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} else {
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byte b2 = a[b1];
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byte b3 = a[b1 + 3];
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byte b4;
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if (aint2[b1] > 0) {
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b4 = 1;
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} else {
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b4 = -1;
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}
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double d0 = (double) aint2[b2] / (double) aint2[b1];
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double d1 = (double) aint2[b3] / (double) aint2[b1];
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int[] aint3 = new int[] { 0, 0, 0};
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int i = 0;
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int j;
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for (j = aint2[b1] + b4; i != j; i += b4) {
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aint3[b1] = aint[b1] + i;
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aint3[b2] = MathHelper.floor((double) aint[b2] + (double) i * d0);
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aint3[b3] = MathHelper.floor((double) aint[b3] + (double) i * d1);
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int k = this.world.getTypeId(aint3[0], aint3[1], aint3[2]);
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if ((k != 0 && k != 18) || aint3[1] >= 256) { // CraftBukkit - fix trees wrapping around
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break;
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}
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}
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return i == j ? -1 : Math.abs(i);
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}
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}
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boolean e() {
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int[] aint = new int[] { this.d[0], this.d[1], this.d[2]};
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int[] aint1 = new int[] { this.d[0], this.d[1] + this.e - 1, this.d[2]};
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int i = this.world.getTypeId(this.d[0], this.d[1] - 1, this.d[2]);
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if (i != 2 && i != 3) {
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return false;
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} else {
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int j = this.a(aint, aint1);
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if (j == -1) {
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return true;
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} else if (j < 6) {
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return false;
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} else {
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this.e = j;
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return true;
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}
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}
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}
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public void a(double d0, double d1, double d2) {
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this.m = (int) (d0 * 12.0D);
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if (d0 > 0.5D) {
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this.n = 5;
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}
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this.j = d1;
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this.k = d2;
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}
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public boolean a(World world, Random random, int i, int j, int k) {
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// CraftBukkit start - moved to generate
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// sk: The idea is to have (our) WorldServer implement
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// BlockChangeDelegate and then we can implicitly cast World to
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// WorldServer (a safe cast, AFAIK) and no code will be broken. This
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// then allows plugins to catch manually-invoked generation events
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return this.generate((BlockChangeDelegate) world, random, i, j, k);
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}
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public boolean generate(BlockChangeDelegate world, Random random, int i, int j, int k) {
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// CraftBukkit end
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this.world = world;
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long l = random.nextLong();
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this.b.setSeed(l);
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this.d[0] = i;
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this.d[1] = j;
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this.d[2] = k;
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if (this.e == 0) {
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this.e = 5 + this.b.nextInt(this.m);
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}
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if (!this.e()) {
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return false;
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} else {
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this.a();
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this.b();
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this.c();
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this.d();
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return true;
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}
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}
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}
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