runelite/runescape-client/src/main/java/Decimator.java

import net.runelite.mapping.Export;
import net.runelite.mapping.Implements;
import net.runelite.mapping.ObfuscatedGetter;
import net.runelite.mapping.ObfuscatedName;
import net.runelite.mapping.ObfuscatedSignature;

@ObfuscatedName("dj")
@Implements("Decimator")
public class Decimator {
	@ObfuscatedName("e")
	@ObfuscatedGetter(
		intValue = 1591513513
	)
	@Export("inputRate")
	int inputRate;
	@ObfuscatedName("i")
	@ObfuscatedGetter(
		intValue = -1648120479
	)
	@Export("outputRate")
	int outputRate;
	@ObfuscatedName("g")
	@Export("table")
	int[][] table;

	public Decimator(int var1, int var2) {
		if (var2 != var1) {
			int var3 = MouseHandler.method1111(var1, var2);
			var1 /= var3;
			var2 /= var3;
			this.inputRate = var1;
			this.outputRate = var2;
			this.table = new int[var1][14];

			for (int var4 = 0; var4 < var1; ++var4) {
				int[] var5 = this.table[var4];
				double var6 = 6.0D + (double)var4 / (double)var1;
				int var8 = (int)Math.floor(var6 - 7.0D + 1.0D);
				if (var8 < 0) {
					var8 = 0;
				}

				int var9 = (int)Math.ceil(var6 + 7.0D);
				if (var9 > 14) {
					var9 = 14;
				}

				for (double var10 = (double)var2 / (double)var1; var8 < var9; ++var8) {
					double var12 = ((double)var8 - var6) * 3.141592653589793D;
					double var14 = var10;
					if (var12 < -1.0E-4D || var12 > 1.0E-4D) {
						var14 = var10 * (Math.sin(var12) / var12);
					}

					var14 *= 0.54D + 0.46D * Math.cos(0.2243994752564138D * ((double)var8 - var6));
					var5[var8] = (int)Math.floor(0.5D + 65536.0D * var14);
				}
			}

		}
	}

	@ObfuscatedName("c")
	@ObfuscatedSignature(
		signature = "([BI)[B",
		garbageValue = "992629690"
	)
	@Export("resample")
	byte[] resample(byte[] var1) {
		if (this.table != null) {
			int var2 = (int)((long)var1.length * (long)this.outputRate / (long)this.inputRate) + 14;
			int[] var3 = new int[var2];
			int var4 = 0;
			int var5 = 0;

			int var6;
			for (var6 = 0; var6 < var1.length; ++var6) {
				byte var7 = var1[var6];
				int[] var8 = this.table[var5];

				int var9;
				for (var9 = 0; var9 < 14; ++var9) {
					var3[var9 + var4] += var7 * var8[var9];
				}

				var5 += this.outputRate;
				var9 = var5 / this.inputRate;
				var4 += var9;
				var5 -= var9 * this.inputRate;
			}

			var1 = new byte[var2];

			for (var6 = 0; var6 < var2; ++var6) {
				int var10 = var3[var6] + 32768 >> 16;
				if (var10 < -128) {
					var1[var6] = -128;
				} else if (var10 > 127) {
					var1[var6] = 127;
				} else {
					var1[var6] = (byte)var10;
				}
			}
		}

		return var1;
	}

	@ObfuscatedName("t")
	@ObfuscatedSignature(
		signature = "(II)I",
		garbageValue = "-356284580"
	)
	@Export("scaleRate")
	int scaleRate(int var1) {
		if (this.table != null) {
			var1 = (int)((long)this.outputRate * (long)var1 / (long)this.inputRate);
		}

		return var1;
	}

	@ObfuscatedName("o")
	@ObfuscatedSignature(
		signature = "(IB)I",
		garbageValue = "5"
	)
	@Export("scalePosition")
	int scalePosition(int var1) {
		if (this.table != null) {
			var1 = (int)((long)this.outputRate * (long)var1 / (long)this.inputRate) + 6;
		}

		return var1;
	}

	@ObfuscatedName("c")
	public static final int method2600(double var0, double var2, double var4) {
		double var6 = var4;
		double var8 = var4;
		double var10 = var4;
		if (var2 != 0.0D) {
			double var12;
			if (var4 < 0.5D) {
				var12 = var4 * (var2 + 1.0D);
			} else {
				var12 = var2 + var4 - var2 * var4;
			}

			double var14 = var4 * 2.0D - var12;
			double var16 = 0.3333333333333333D + var0;
			if (var16 > 1.0D) {
				--var16;
			}

			double var20 = var0 - 0.3333333333333333D;
			if (var20 < 0.0D) {
				++var20;
			}

			if (var16 * 6.0D < 1.0D) {
				var6 = var14 + 6.0D * (var12 - var14) * var16;
			} else if (2.0D * var16 < 1.0D) {
				var6 = var12;
			} else if (3.0D * var16 < 2.0D) {
				var6 = 6.0D * (var12 - var14) * (0.6666666666666666D - var16) + var14;
			} else {
				var6 = var14;
			}

			if (var0 * 6.0D < 1.0D) {
				var8 = var14 + 6.0D * (var12 - var14) * var0;
			} else if (2.0D * var0 < 1.0D) {
				var8 = var12;
			} else if (var0 * 3.0D < 2.0D) {
				var8 = var14 + (var12 - var14) * (0.6666666666666666D - var0) * 6.0D;
			} else {
				var8 = var14;
			}

			if (var20 * 6.0D < 1.0D) {
				var10 = 6.0D * (var12 - var14) * var20 + var14;
			} else if (2.0D * var20 < 1.0D) {
				var10 = var12;
			} else if (var20 * 3.0D < 2.0D) {
				var10 = (0.6666666666666666D - var20) * (var12 - var14) * 6.0D + var14;
			} else {
				var10 = var14;
			}
		}

		int var22 = (int)(256.0D * var6);
		int var13 = (int)(var8 * 256.0D);
		int var23 = (int)(256.0D * var10);
		int var15 = var23 + (var13 << 8) + (var22 << 16);
		return var15;
	}

	@ObfuscatedName("o")
	@ObfuscatedSignature(
		signature = "(CI)C",
		garbageValue = "2008041614"
	)
	public static char method2597(char var0) {
		switch(var0) {
		case ' ':
		case '-':
		case '_':
		case ' ':
			return '_';
		case '#':
		case '[':
		case ']':
			return var0;
		case 'À':
		case 'Á':
		case 'Â':
		case 'Ã':
		case 'Ä':
		case 'à':
		case 'á':
		case 'â':
		case 'ã':
		case 'ä':
			return 'a';
		case 'Ç':
		case 'ç':
			return 'c';
		case 'È':
		case 'É':
		case 'Ê':
		case 'Ë':
		case 'è':
		case 'é':
		case 'ê':
		case 'ë':
			return 'e';
		case 'Í':
		case 'Î':
		case 'Ï':
		case 'í':
		case 'î':
		case 'ï':
			return 'i';
		case 'Ñ':
		case 'ñ':
			return 'n';
		case 'Ò':
		case 'Ó':
		case 'Ô':
		case 'Õ':
		case 'Ö':
		case 'ò':
		case 'ó':
		case 'ô':
		case 'õ':
		case 'ö':
			return 'o';
		case 'Ù':
		case 'Ú':
		case 'Û':
		case 'Ü':
		case 'ù':
		case 'ú':
		case 'û':
		case 'ü':
			return 'u';
		case 'ß':
			return 'b';
		case 'ÿ':
		case 'Ÿ':
			return 'y';
		default:
			return Character.toLowerCase(var0);
		}
	}

	@ObfuscatedName("n")
	@ObfuscatedSignature(
		signature = "(I)Z",
		garbageValue = "2087967382"
	)
	static final boolean method2601() {
		return ViewportMouse.ViewportMouse_isInViewport;
	}
}