public void transform(int id) {
		if (vertexSkins == null) {
			return;
		}
		if (id == -1) {
			return;
		}
		Animation animation = Animation.forId(id);
		if (animation == null) {
			return;
		}
		SkinList skinList = animation.aSkinList_637;
		Model.vertexModX = 0;
		Model.vertexModY = 0;
		Model.vertexModZ = 0;
		for (int k = 0; k < animation.anInt638; k++) {
			int opcode = animation.opcodes[k];
			transformStep(skinList.opcodes[opcode], skinList.anIntArrayArray343[opcode], animation.mod1[k], animation.mod2[k], animation.mod3[k]);
		}
	}