Adding accesswidener for SlimeMoveControl access. New helper code to make…

Adding accesswidener for SlimeMoveControl access. New helper code to make Slime's look at the player (in survival mode) and correctly follow the player.

build.gradle

@@ -19,6 +19,7 @@ repositories {
 }
 
 loom {
+	accessWidenerPath = file("src/main/resources/mobgpt.accesswidener")
     splitEnvironmentSourceSets()
 
 	mods {

src/main/java/com/owlmaddie/goals/EntityLook.java

+package com.owlmaddie.goals;
+
+import net.minecraft.entity.mob.MobEntity;
+import net.minecraft.entity.mob.SlimeEntity;
+import net.minecraft.server.network.ServerPlayerEntity;
+import net.minecraft.util.math.MathHelper;
+
+/**
+ * The {@code EntityLook} class allows an entity to look at the player, with some custom fixes
+ * for certain mobs that refuse to use the normal LookControls (i.e. Slime).
+ */
+public class EntityLook {
+    public static void LookAtEntity(ServerPlayerEntity player, MobEntity entity) {
+
+        // Make the entity look at the player without moving towards them
+        entity.getLookControl().lookAt(player, 10.0F, (float)entity.getMaxLookPitchChange());
+
+        // Fix Slimes (who handle looking differently)
+        if (entity instanceof SlimeEntity) {
+            // Calculate direction which entity needs to face
+            double deltaX = player.getX() - entity.getX();
+            double deltaZ = player.getZ() - entity.getZ();
+            float currentYaw = entity.getYaw();
+
+            float targetYaw = (float) Math.toDegrees(Math.atan2(deltaZ, deltaX)) - 90.0F;
+            float yawDifference = MathHelper.wrapDegrees(targetYaw - currentYaw); // Ensures the difference is within -180 to 180
+            float yawChange = MathHelper.clamp(yawDifference, -10.0F, 10.0F); // Limits the change to 10 degrees
+
+            ((SlimeEntity.SlimeMoveControl) entity.getMoveControl()).look(currentYaw + yawChange, false);
+        }
+
+    }
+}

src/main/java/com/owlmaddie/goals/FollowPlayerGoal.java

@@ -49,7 +49,7 @@ public class FollowPlayerGoal extends Goal {
         // Check if the entity is further away than 4 blocks (16 when squared)
         if (squaredDistanceToPlayer > 16) {
             // Entity is more than 4 blocks away, look at the player and start moving towards them
-            this.entity.getLookControl().lookAt(this.targetPlayer, 10.0F, (float) this.entity.getMaxLookPitchChange());
+            EntityLook.LookAtEntity(this.targetPlayer, this.entity);
             this.navigation.startMovingTo(this.targetPlayer, this.speed);
         } else if (squaredDistanceToPlayer < 9) {
             // Entity is closer than 3 blocks, stop moving to maintain distance

src/main/java/com/owlmaddie/goals/TalkPlayerGoal.java

@@ -50,7 +50,7 @@ public class TalkPlayerGoal extends Goal {
     @Override
     public void tick() {
         // Make the entity look at the player without moving towards them
-        this.entity.getLookControl().lookAt(this.targetPlayer, 10.0F, (float)this.entity.getMaxLookPitchChange());
+        EntityLook.LookAtEntity(this.targetPlayer, this.entity);
         // Continuously stop the entity's navigation to ensure it remains stationary
         this.navigation.stop();
     }

src/main/resources/fabric.mod.json

@@ -30,6 +30,7 @@
 			"environment": "client"
 		}
 	],
+	"accessWidener": "mobgpt.accesswidener",
 	"depends": {
 		"fabricloader": ">=0.14.22",
 		"minecraft": "~1.20.2",

src/main/resources/mobgpt.accesswidener

+accessWidener	v1	named
+
+# Access slime movement
+accessible    class    net/minecraft/entity/mob/SlimeEntity$SlimeMoveControl
+accessible    method    net/minecraft/entity/mob/SlimeEntity$SlimeMoveControl    look   (FZ)V
\ No newline at end of file