stop first person werewolf rendering when player animator renders a first person animation

- do not add playeranimator as dependency
- close #218

Author: Cheaterpaul

src/main/java/de/teamlapen/werewolves/client/core/ClientEventHandler.java

@@ -12,6 +12,7 @@
 import de.teamlapen.werewolves.config.WerewolvesConfig;
 import de.teamlapen.werewolves.core.ModActions;
 import de.teamlapen.werewolves.entities.player.werewolf.WerewolfPlayer;
+import de.teamlapen.werewolves.modcompat.playeranimator.PlayerAnimatorCompat;
 import de.teamlapen.werewolves.util.FormHelper;
 import de.teamlapen.werewolves.util.Helper;
 import de.teamlapen.werewolves.util.REFERENCE;
@@ -93,7 +94,7 @@ public void onAddLayer(EntityRenderersEvent.AddLayers event) {
 
     @SubscribeEvent
     public void onPlayerRender(RenderPlayerEvent.Pre event) {
-        if (Helper.isWerewolf(event.getEntity())) {
+        if (Helper.isWerewolf(event.getEntity()) && !PlayerAnimatorCompat.checkAnimation(event.getEntity())) {
             if (ClientRegistryHandler.getModPlayerRenderer().renderPlayer((AbstractClientPlayer) event.getEntity(), 1, event.getPartialTick(), event.getPoseStack(), event.getMultiBufferSource(), event.getPackedLight())) {
                 event.setCanceled(true);
             }

src/main/java/de/teamlapen/werewolves/modcompat/playeranimator/PlayerAnimatorCompat.java

@@ -0,0 +1,64 @@
+package de.teamlapen.werewolves.modcompat.playeranimator;
+
+import net.minecraft.client.Minecraft;
+import net.minecraft.world.entity.player.Player;
+import net.minecraftforge.fml.ModList;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+public class PlayerAnimatorCompat {
+
+    private static boolean modChecked = false;
+    private static boolean skipCheck;
+
+    public static boolean checkAnimation(Player player) {
+        if (!checkMod()) {
+            return false;
+        }
+        if (Minecraft.getInstance().player != player) return false;
+        return checkFirstPersonAnimation(player);
+    }
+
+    private static boolean checkMod() {
+        if (!modChecked) {
+            skipCheck = !ModList.get().isLoaded("playeranimator");
+            modChecked = false;
+        }
+        return !skipCheck;
+    }
+
+    private static boolean checkFirstPersonAnimation(Player player) {
+        try {
+            if (!isFirstPersonPass()) return false;
+            return isAnimationActive(player);
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
+    private static Method isFirstPersonPassMethod;
+
+    private static boolean isFirstPersonPass() throws ReflectiveOperationException {
+        if (isFirstPersonPassMethod == null) {
+            isFirstPersonPassMethod = Class.forName("dev.kosmx.playerAnim.api.firstPerson.FirstPersonMode").getMethod("isFirstPersonPass");
+        }
+
+        Object isFirstPersonPass = isFirstPersonPassMethod.invoke(null);
+        return isFirstPersonPass != null && (boolean) isFirstPersonPass;
+    }
+
+    private static Class<?> iAnimatedPlayerClass;
+    private static Method getAnimationApplierMethod;
+
+    private static boolean isAnimationActive(Player player) throws ReflectiveOperationException {
+        if (iAnimatedPlayerClass == null || getAnimationApplierMethod == null) {
+            iAnimatedPlayerClass = Class.forName("dev.kosmx.playerAnim.impl.IAnimatedPlayer");
+            getAnimationApplierMethod = iAnimatedPlayerClass.getMethod("playerAnimator_getAnimation");
+        }
+        if (!iAnimatedPlayerClass.isInstance(player)) return false;
+        Object animationApplier = getAnimationApplierMethod.invoke(player);
+        return (boolean) animationApplier.getClass().getMethod("isActive").invoke(animationApplier);
+    }
+
+}