custom pumpkin opacity (#9)

* custom pumpkin opacity

* fix spacing

* add comment

just in case anyone is confused on why its there

src/main/java/club/sk1er/patcher/config/PatcherConfig.java

@@ -192,6 +192,14 @@ public class PatcherConfig extends Config {
     )
     public static float fireOverlayOpacity = 1.0F;
 
+    @Slider( // todo add percentage
+        name = "Pumpkin Overlay Opacity",
+        description = "Change the opacity of the pumpkin overlay.",
+        category = "Miscellaneous", subcategory = "Overlays",
+        min = 0F, max = 1.0F
+    )
+    public static float pumpkinOverlayOpacity = 1.0F;
+
     @Switch(
         name = "Hide Fire Overlay with Fire Resistance",
         description = "Hide the fire overlay when you have fire resistance active.\n" +

src/main/java/club/sk1er/patcher/mixins/features/GuiIngameMixin_PumpkinBlurRendering.java

@@ -0,0 +1,23 @@
+package club.sk1er.patcher.mixins.features;
+
+import club.sk1er.patcher.config.PatcherConfig;
+import net.minecraft.client.gui.GuiIngame;
+import net.minecraft.client.gui.ScaledResolution;
+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.callback.CallbackInfo;
+
+@Mixin(GuiIngame.class)
+public class GuiIngameMixin_PumpkinBlurRendering {
+    @Inject(method = "renderPumpkinOverlay", at = @At("HEAD"), cancellable = true)
+    private void patcher$cancelPumpkinOverlay(ScaledResolution scaledRes, CallbackInfo ci) {
+        if (PatcherConfig.pumpkinOverlayOpacity == 0) ci.cancel(); // micro-optimization, let's skip all the math to render if it's not going to be visible anyways
+    }
+
+    @ModifyArg(method = "renderPumpkinOverlay", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/renderer/GlStateManager;color(FFFF)V"), index = 3)
+    private float patcher$modifyPumpkinOpacity(float alpha) {
+        return PatcherConfig.pumpkinOverlayOpacity;
+    }
+}

src/main/resources/mixins.patcher.json

@@ -138,6 +138,7 @@
     "features.GuiIngameForgeMixin_CrosshairRendering",
     "features.GuiIngameForgeMixin_TitleRendering",
     "features.GuiIngameMixin_CrosshairVisibility",
+    "features.GuiIngameMixin_PumpkinBlurRendering",
     "features.GuiMultiplayerMixin_FastServerJoin",
     "features.GuiNewChatMixin_ChatDelay",
     "features.GuiNewChatMixin_CompactChat",