forgot this in the push oopsies

Author: Mixces

src/main/java/io/github/axolotlclient/oldanimations/mixin/mob_layers/WornSkullLayerMixin.java

@@ -0,0 +1,90 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * For more information, see the LICENSE file.
+ */
+
+package io.github.axolotlclient.oldanimations.mixin.mob_layers;
+
+import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
+import io.github.axolotlclient.oldanimations.config.OldAnimationsConfig;
+import net.minecraft.client.render.entity.layer.WornSkullLayer;
+import net.minecraft.entity.living.LivingEntity;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.ModifyArg;
+import org.spongepowered.asm.mixin.injection.ModifyVariable;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(WornSkullLayer.class)
+public class WornSkullLayerMixin {
+
+	//TODO: Figure out how to color the skull layer with the 1.7 logic??
+	@WrapOperation(method = "render", at = @At(value = "INVOKE", target = "Lnet/minecraft/entity/living/LivingEntity;isSneaking()Z"))
+	private boolean axolotlclient$disableSneakTranslation(LivingEntity instance, Operation<Boolean> original) {
+		if (OldAnimationsConfig.isEnabled() && OldAnimationsConfig.instance.thirdPersonSneaking.get()) {
+			/* we need to remove the sneaking offset since we will be using our own */
+			return false;
+		}
+		return original.call(instance);
+	}
+
+	@ModifyVariable(method = "render", at = @At("STORE"))
+	private boolean axolotlclient$disableHumanoidCheck(boolean value) {
+		if (OldAnimationsConfig.isEnabled() && OldAnimationsConfig.instance.skullLayerRendering.get()) {
+			/* goodbye villager-specific worn skull rendering :p */
+			return false;
+		}
+		return value;
+	}
+
+	@WrapOperation(method = "render", at = @At(value = "INVOKE", target = "Lnet/minecraft/entity/living/LivingEntity;isBaby()Z"))
+	private boolean axolotlclient$disableBabyCheck(LivingEntity instance, Operation<Boolean> original) {
+		if (OldAnimationsConfig.isEnabled() && OldAnimationsConfig.instance.skullLayerRendering.get()) {
+			/* the baby will NOT be getting special treatment */
+			return false;
+		}
+		return original.call(instance);
+	}
+
+	@ModifyArg(method = "render", at = @At(value = "INVOKE", target = "Lcom/mojang/blaze3d/platform/GlStateManager;rotatef(FFFF)V"), index = 0)
+	private float axolotlclient$oldBlockRotation(float f) {
+		/* taken from 1.7 */
+		if (OldAnimationsConfig.isEnabled() && OldAnimationsConfig.instance.skullLayerRendering.get()) {
+			return 90;
+		}
+		return f;
+	}
+
+	@ModifyExpressionValue(method = "render", at = @At(value = "CONSTANT", args = "floatValue=1.1875"))
+	private float axolotlclient$useOldScale(float original) {
+		/* taken from 1.7 */
+		if (OldAnimationsConfig.isEnabled() && OldAnimationsConfig.instance.skullLayerRendering.get()) {
+			return 1.0625F;
+		}
+		return original;
+	}
+
+	@Inject(method = "colorsWhenDamaged", at = @At("HEAD"), cancellable = true)
+	private void axolotlclient$removeDamageColor(CallbackInfoReturnable<Boolean> callback) {
+		if (OldAnimationsConfig.isEnabled() && OldAnimationsConfig.instance.noSkullLayerDamageTint.get()) {
+			/* disables coloring the second layer just like 1.7 */
+			callback.setReturnValue(false);
+		}
+	}
+}