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("do")
@Implements("Decimator")
public class Decimator {
	@ObfuscatedName("d")
	@ObfuscatedSignature(
		signature = "[Llw;"
	)
	@Export("title_muteSprite")
	static IndexedSprite[] title_muteSprite;
	@ObfuscatedName("dx")
	@ObfuscatedSignature(
		signature = "Lij;"
	)
	@Export("archive11")
	static Archive archive11;
	@ObfuscatedName("ei")
	@ObfuscatedGetter(
		intValue = -1888445625
	)
	@Export("port2")
	static int port2;
	@ObfuscatedName("q")
	@ObfuscatedGetter(
		intValue = -885023939
	)
	@Export("inputRate")
	int inputRate;
	@ObfuscatedName("v")
	@ObfuscatedGetter(
		intValue = 929482819
	)
	@Export("outputRate")
	int outputRate;
	@ObfuscatedName("l")
	@Export("table")
	int[][] table;

	public Decimator(int var1, int var2) {
		if (var2 != var1) {
			int var4 = var1;
			int var5 = var2;
			if (var2 > var1) {
				var4 = var2;
				var5 = var1;
			}

			while (var5 != 0) {
				int var6 = var4 % var5;
				var4 = var5;
				var5 = var6;
			}

			var1 /= var4;
			var2 /= var4;
			this.inputRate = var1;
			this.outputRate = var2;
			this.table = new int[var1][14];

			for (int var7 = 0; var7 < var1; ++var7) {
				int[] var8 = this.table[var7];
				double var9 = (double)var7 / (double)var1 + 6.0D;
				int var11 = (int)Math.floor(1.0D + (var9 - 7.0D));
				if (var11 < 0) {
					var11 = 0;
				}

				int var12 = (int)Math.ceil(var9 + 7.0D);
				if (var12 > 14) {
					var12 = 14;
				}

				for (double var13 = (double)var2 / (double)var1; var11 < var12; ++var11) {
					double var15 = ((double)var11 - var9) * 3.141592653589793D;
					double var17 = var13;
					if (var15 < -1.0E-4D || var15 > 1.0E-4D) {
						var17 = var13 * (Math.sin(var15) / var15);
					}

					var17 *= 0.54D + 0.46D * Math.cos(0.2243994752564138D * ((double)var11 - var9));
					var8[var11] = (int)Math.floor(0.5D + 65536.0D * var17);
				}
			}

		}
	}

	@ObfuscatedName("a")
	@ObfuscatedSignature(
		signature = "([BI)[B",
		garbageValue = "73782280"
	)
	@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[var4 + var9] += var8[var9] * var7;
				}

				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 = "(IB)I",
		garbageValue = "30"
	)
	@Export("scaleRate")
	int scaleRate(int var1) {
		if (this.table != null) {
			var1 = (int)((long)var1 * (long)this.outputRate / (long)this.inputRate);
		}

		return var1;
	}

	@ObfuscatedName("n")
	@ObfuscatedSignature(
		signature = "(IB)I",
		garbageValue = "13"
	)
	@Export("scalePosition")
	int scalePosition(int var1) {
		if (this.table != null) {
			var1 = (int)((long)this.outputRate * (long)var1 / (long)this.inputRate) + 6;
		}

		return var1;
	}

	@ObfuscatedName("a")
	@ObfuscatedSignature(
		signature = "(II)Liz;",
		garbageValue = "1437628659"
	)
	public static VarcInt method2694(int var0) {
		VarcInt var1 = (VarcInt)VarcInt.VarcInt_cached.get((long)var0);
		if (var1 != null) {
			return var1;
		} else {
			byte[] var2 = VarcInt.VarcInt_archive.takeFile(19, var0);
			var1 = new VarcInt();
			if (var2 != null) {
				var1.method4549(new Buffer(var2));
			}

			VarcInt.VarcInt_cached.put(var1, (long)var0);
			return var1;
		}
	}

	@ObfuscatedName("t")
	@ObfuscatedSignature(
		signature = "(Ljava/lang/Object;ZI)[B",
		garbageValue = "1813906686"
	)
	@Export("serialize")
	public static byte[] serialize(Object var0, boolean var1) {
		if (var0 == null) {
			return null;
		} else if (var0 instanceof byte[]) {
			byte[] var3 = (byte[])((byte[])var0);
			return var1 ? Message.method1312(var3) : var3;
		} else if (var0 instanceof AbstractByteArrayCopier) {
			AbstractByteArrayCopier var2 = (AbstractByteArrayCopier)var0;
			return var2.get();
		} else {
			throw new IllegalArgumentException();
		}
	}

	@ObfuscatedName("im")
	@ObfuscatedSignature(
		signature = "(III)V",
		garbageValue = "-962309215"
	)
	@Export("calculateMenuBounds")
	static void calculateMenuBounds(int var0, int var1) {
		int var2 = class43.fontBold12.stringWidth("Choose Option");

		int var3;
		int var4;
		for (var3 = 0; var3 < Client.menuOptionsCount; ++var3) {
			var4 = class43.fontBold12.stringWidth(class65.method1316(var3));
			if (var4 > var2) {
				var2 = var4;
			}
		}

		var2 += 8;
		var3 = Client.menuOptionsCount * 15 + 22;
		var4 = var0 - var2 / 2;
		if (var2 + var4 > class286.canvasWidth) {
			var4 = class286.canvasWidth - var2;
		}

		if (var4 < 0) {
			var4 = 0;
		}

		int var5 = var1;
		if (var1 + var3 > FloorUnderlayDefinition.canvasHeight) {
			var5 = FloorUnderlayDefinition.canvasHeight - var3;
		}

		if (var5 < 0) {
			var5 = 0;
		}

		MusicPatchNode.menuX = var4;
		TextureProvider.menuY = var5;
		KeyHandler.menuWidth = var2;
		WorldMapData_1.menuHeight = Client.menuOptionsCount * 15 + 22;
	}
}