Fix ESP crashing with EntityCulling

closes #5779

Author: Wide-Cat

src/main/java/meteordevelopment/meteorclient/mixin/EntityRenderStateMixin.java

@@ -8,6 +8,7 @@
 import meteordevelopment.meteorclient.mixininterface.IEntityRenderState;
 import net.minecraft.client.render.entity.state.EntityRenderState;
 import net.minecraft.entity.Entity;
+import org.jetbrains.annotations.Nullable;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Unique;
 
@@ -17,6 +18,7 @@ public abstract class EntityRenderStateMixin implements IEntityRenderState {
     private Entity entity;
 
     @Override
+    @Nullable(value = "EntityCulling mod can prevent the code that sets the entity from running")
     public Entity meteor$getEntity() {
         return entity;
     }

src/main/java/meteordevelopment/meteorclient/mixin/WorldRendererMixin.java

@@ -137,9 +137,12 @@ private void draw(WorldRenderState worldState, MatrixStack matrices, EntityShade
         var empty = true;
 
         for (var state : worldState.entityRenderStates) {
-            if (!shader.shouldDraw(((IEntityRenderState) state).meteor$getEntity())) continue;
+            Entity entity = ((IEntityRenderState) state).meteor$getEntity();
+            if (entity == null) continue;
 
-            var color = colorGetter.apply(((IEntityRenderState) state).meteor$getEntity());
+            if (!shader.shouldDraw(entity)) continue;
+
+            var color = colorGetter.apply(entity);
             if (color == null) continue;
             outlineRenderCommandQueue.setColor(color);
 

src/main/java/meteordevelopment/meteorclient/mixininterface/IEntityRenderState.java

@@ -6,11 +6,9 @@
 package meteordevelopment.meteorclient.mixininterface;
 
 import meteordevelopment.meteorclient.mixin.EntityRenderManagerMixin;
-import net.minecraft.client.render.VertexConsumerProvider;
-import net.minecraft.client.render.entity.EntityRenderer;
 import net.minecraft.client.render.entity.state.EntityRenderState;
-import net.minecraft.client.util.math.MatrixStack;
 import net.minecraft.entity.Entity;
+import org.jetbrains.annotations.Nullable;
 
 public interface IEntityRenderState {
     /**
@@ -25,6 +23,7 @@ public interface IEntityRenderState {
      *
      * @see EntityRenderManagerMixin#getAndUpdateRenderState$setEntity(EntityRenderState, Entity, float)
      */
+    @Nullable(value = "EntityCulling mod can prevent the code that sets the entity from running")
     Entity meteor$getEntity();
 
     void meteor$setEntity(Entity entity);