Added the red tint for the custom modeled npc after hit

src/main/java/com/goodbird/npcgecko/client/renderer/RenderCustomModel.java

@@ -6,6 +6,7 @@ import net.minecraft.client.renderer.entity.RenderManager;
 import net.minecraft.item.ItemStack;
 import net.minecraftforge.client.IItemRenderer;
 import org.lwjgl.opengl.GL11;
+import software.bernie.geckolib3.core.util.Color;
 import software.bernie.geckolib3.geo.render.built.GeoBone;
 import software.bernie.geckolib3.geo.render.built.GeoModel;
 import software.bernie.geckolib3.renderers.geo.GeoEntityRenderer;
@@ -82,6 +83,14 @@ public class RenderCustomModel extends GeoEntityRenderer<EntityCustomModel> {
         GL11.glPopMatrix();
     }
 
+    public Color getRenderColor(EntityCustomModel animatable, float partialTicks) {
+        if(animatable.hurtTime>0 || animatable.deathTime > 0){
+            return Color.ofRGBA(255, 30, 30, 255);
+        }else{
+            return Color.ofRGBA(255, 255, 255, 255);
+        }
+    }
+
     public boolean isBoneRenderOverriden(EntityCustomModel entity, GeoBone bone) {
         return bone.name.equals("held_item") || bone.name.equals("left_held_item");
     }

src/main/java/com/goodbird/npcgecko/mixin/impl/MixinGeckoAddon.java

@@ -36,6 +36,8 @@ public class MixinGeckoAddon {
             modelEntity.rangedAttackAnimName = display.getCustomModelData().getRangedAttackAnim();
             modelEntity.hurtAnimName = display.getCustomModelData().getHurtAnim();
             modelEntity.leftHeldItem = npc.inventory.getOffHand();
+            modelEntity.hurtTime = npc.hurtTime;
+            modelEntity.deathTime = npc.deathTime;
         }
     }
 }