143 lines
3.2 KiB
Java
143 lines
3.2 KiB
Java
import net.runelite.mapping.Export;
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import net.runelite.mapping.Implements;
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import net.runelite.mapping.ObfuscatedGetter;
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import net.runelite.mapping.ObfuscatedName;
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import net.runelite.mapping.ObfuscatedSignature;
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@ObfuscatedName("dv")
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@Implements("Decimator")
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public class Decimator {
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@ObfuscatedName("z")
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@ObfuscatedSignature(
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signature = "[Llh;"
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)
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@Export("title_muteSprite")
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static IndexedSprite[] title_muteSprite;
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@ObfuscatedName("j")
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@ObfuscatedGetter(
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intValue = 566194753
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)
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@Export("inputRate")
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int inputRate;
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@ObfuscatedName("p")
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@ObfuscatedGetter(
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intValue = -690101149
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)
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@Export("outputRate")
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int outputRate;
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@ObfuscatedName("g")
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@Export("table")
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int[][] table;
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public Decimator(int var1, int var2) {
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if (var2 != var1) {
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int var3 = class204.method3818(var1, var2);
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var1 /= var3;
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var2 /= var3;
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this.inputRate = var1;
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this.outputRate = var2;
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this.table = new int[var1][14];
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for (int var4 = 0; var4 < var1; ++var4) {
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int[] var5 = this.table[var4];
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double var6 = (double)var4 / (double)var1 + 6.0D;
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int var8 = (int)Math.floor(1.0D + (var6 - 7.0D));
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if (var8 < 0) {
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var8 = 0;
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}
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int var9 = (int)Math.ceil(var6 + 7.0D);
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if (var9 > 14) {
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var9 = 14;
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}
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for (double var10 = (double)var2 / (double)var1; var8 < var9; ++var8) {
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double var12 = ((double)var8 - var6) * 3.141592653589793D;
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double var14 = var10;
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if (var12 < -1.0E-4D || var12 > 1.0E-4D) {
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var14 = var10 * (Math.sin(var12) / var12);
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}
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var14 *= 0.54D + 0.46D * Math.cos(((double)var8 - var6) * 0.2243994752564138D);
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var5[var8] = (int)Math.floor(0.5D + var14 * 65536.0D);
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}
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}
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}
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}
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@ObfuscatedName("m")
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@ObfuscatedSignature(
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signature = "([BI)[B",
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garbageValue = "880157357"
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)
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@Export("resample")
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byte[] resample(byte[] var1) {
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if (this.table != null) {
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int var2 = (int)((long)this.outputRate * (long)var1.length / (long)this.inputRate) + 14;
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int[] var3 = new int[var2];
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int var4 = 0;
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int var5 = 0;
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int var6;
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for (var6 = 0; var6 < var1.length; ++var6) {
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byte var7 = var1[var6];
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int[] var8 = this.table[var5];
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int var9;
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for (var9 = 0; var9 < 14; ++var9) {
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var3[var9 + var4] += var8[var9] * var7;
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}
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var5 += this.outputRate;
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var9 = var5 / this.inputRate;
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var4 += var9;
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var5 -= var9 * this.inputRate;
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}
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var1 = new byte[var2];
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for (var6 = 0; var6 < var2; ++var6) {
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int var10 = var3[var6] + 32768 >> 16;
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if (var10 < -128) {
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var1[var6] = -128;
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} else if (var10 > 127) {
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var1[var6] = 127;
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} else {
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var1[var6] = (byte)var10;
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}
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}
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}
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return var1;
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}
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@ObfuscatedName("o")
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@ObfuscatedSignature(
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signature = "(IB)I",
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garbageValue = "124"
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)
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@Export("scaleRate")
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int scaleRate(int var1) {
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if (this.table != null) {
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var1 = (int)((long)this.outputRate * (long)var1 / (long)this.inputRate);
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}
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return var1;
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}
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@ObfuscatedName("q")
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@ObfuscatedSignature(
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signature = "(IB)I",
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garbageValue = "70"
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)
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@Export("scalePosition")
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int scalePosition(int var1) {
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if (this.table != null) {
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var1 = (int)((long)this.outputRate * (long)var1 / (long)this.inputRate) + 6;
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}
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return var1;
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}
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}
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