private final void interpolate_frames(TransformList frameBase, Animation frame, Animation nextFrame, int delay,
			int frameDelay, boolean[] animateLabels, boolean condition, boolean var8, int var9, int[] dat) {
		int var11;
		if (nextFrame != null && delay != 0) {
			var11 = 0;
			int var34 = 0;
			for (int var35 = 0; var35 < frameBase.amount; ++var35) {
				boolean var36 = false;
				if (var11 < frame.length && frame.ids[var11] == var35) {
					var36 = true;
				}
				boolean var15 = false;
				if (var34 < nextFrame.length && nextFrame.ids[var34] == var35) {
					var15 = true;
				}
				if (var36 || var15) {
					if (animateLabels != null && animateLabels[var35] != condition && frameBase.types[var35] != 0) {
						if (var36) {
							++var11;
						}
						if (var15) {
							++var34;
						}
					} else {
						short var16 = 0;
						int var17 = frameBase.types[var35];
						if (var17 == 3) {
							var16 = 128;
						}
						short var19;
						short var18;
						short var21;
						short var20;
						byte var22;
						if (var36) {
							var18 = frame.vertexX[var11];
							var19 = frame.vertexY[var11];
							var20 = frame.vertexZ[var11];
							var21 = frame.aShortArray1387[var11];
							var22 = frame.aByteArray1393[var11];
							++var11;
						} else {
							var18 = var16;
							var19 = var16;
							var20 = var16;
							var21 = -1;
							var22 = 0;
						}
						short var23;
						short var25;
						short var24;
						byte var27;
						short var26;
						if (var15) {
							var23 = nextFrame.vertexX[var34];
							var24 = nextFrame.vertexY[var34];
							var25 = nextFrame.vertexZ[var34];
							var26 = nextFrame.aShortArray1387[var34];
							var27 = nextFrame.aByteArray1393[var34];
							++var34;
						} else {
							var23 = var16;
							var24 = var16;
							var25 = var16;
							var26 = -1;
							var27 = 0;
						}
						int var29;
						int var28;
						int var31;
						int var30;
						if ((var22 & 2) == 0 && (var27 & 1) == 0) {
							if (var17 == 2) {
								var31 = var23 - var18 & 2047;
								int var32 = var24 - var19 & 2047;
								int var33 = var25 - var20 & 2047;
								if (var31 >= 1024) {
									var31 -= 2048;
								}
								if (var32 >= 1024) {
									var32 -= 2048;
								}
								if (var33 >= 1024) {
									var33 -= 2048;
								}
								var28 = var18 + var31 * delay / frameDelay & 2047;
								var29 = var19 + var32 * delay / frameDelay & 2047;
								var30 = var20 + var33 * delay / frameDelay & 2047;
							} else if (var17 == 7) {
								var31 = var23 - var18 & 63;
								if (var31 >= 32) {
									var31 -= 64;
								}
								var28 = var18 + var31 * delay / frameDelay & 63;
								var29 = var19 + (var24 - var19) * delay / frameDelay;
								var30 = var20 + (var25 - var20) * delay / frameDelay;
							} else {
								var28 = var18 + (var23 - var18) * delay / frameDelay;
								var29 = var19 + (var24 - var19) * delay / frameDelay;
								var30 = var20 + (var25 - var20) * delay / frameDelay;
							}
						} else {
							var28 = var18;
							var29 = var19;
							var30 = var20;
						}
						if (var21 != -1) {
							var31 = var9 & frameBase.anIntArray2455[var21];
							if (var31 != 0xffff) {
								this.method1899(0, frameBase.skins[var21], 0, 0, 0, var8, var31, dat);
							} else {
								this.animate(0, frameBase.skins[var21], 0, 0, 0, var8);
							}
						} else if (var26 != -1) {
							var31 = var9 & frameBase.anIntArray2455[var26];
							if (var31 != 0xffff) {
								this.method1899(0, frameBase.skins[var26], 0, 0, 0, var8, var31, dat);
							} else {
								this.animate(0, frameBase.skins[var26], 0, 0, 0, var8);
							}
						}
						var31 = var9 & frameBase.anIntArray2455[var35];
						if (var31 != 0xffff) {
							this.method1899(var17, frameBase.skins[var35], var28, var29, var30, var8, var31, dat);
						} else {
							this.animate(var17, frameBase.skins[var35], var28, var29, var30, var8);
						}
					}
				}
			}
		} else {
			for (var11 = 0; var11 < frame.length; ++var11) {
				short var12 = frame.ids[var11];// TODO this chicken causes problem
				if (animateLabels == null || animateLabels[var12] == condition || frameBase.types[var12] == 0) {
					short var13 = frame.aShortArray1387[var11];
					int var14;
					if (var13 != -1) {
						var14 = var9 & frameBase.anIntArray2455[var13];
						if (var14 != 0xffff) {
							this.method1899(0, frameBase.skins[var13], 0, 0, 0, var8, var14, dat);
						} else {
							this.animate(0, frameBase.skins[var13], 0, 0, 0, var8);
						}
					}
					var14 = var9 & frameBase.anIntArray2455[var12];
					if (var14 != 0xffff) {// this to be exact
						this.method1899(frameBase.types[var12], frameBase.skins[var12], frame.vertexX[var11],
								frame.vertexY[var11], frame.vertexZ[var11], var8, var14, dat);
					} else {
						this.animate(frameBase.types[var12], frameBase.skins[var12], frame.vertexX[var11],
								frame.vertexY[var11], frame.vertexZ[var11], var8);
					}
				}
			}
		}
	}