I love mixins, goodbye reflection

gradle.properties

@@ -83,26 +83,26 @@ apiPackage = api
 accessTransformersFile =
 
 # Provides setup for Mixins if enabled. If you don't know what mixins are: Keep it disabled!
-usesMixins = false
+usesMixins = true
 
 # Set to a non-empty string to configure mixins in a separate source set under src/VALUE, instead of src/main.
 # This can speed up compile times thanks to not running the mixin annotation processor on all input sources.
 # Mixin classes will have access to "main" classes, but not the other way around.
 separateMixinSourceSet =
 
 # Adds some debug arguments like verbose output and class export.
-usesMixinDebug = false
+usesMixinDebug = true
 
 # Specify the location of your implementation of IMixinConfigPlugin. Leave it empty otherwise.
 mixinPlugin =
 
 # Specify the package that contains all of your Mixins. You may only place Mixins in this package or the build will fail!
-mixinsPackage =
+mixinsPackage = mixin.mixins
 
 # Specify the core mod entry class if you use a core mod. This class must implement IFMLLoadingPlugin!
 # This parameter is for legacy compatibility only
 # Example value: (coreModClass = asm.FMLPlugin) + (modGroup = com.myname.mymodid) -> com.myname.mymodid.asm.FMLPlugin
-coreModClass =
+coreModClass = mixin.EarlyMixinLoader
 
 # If your project is only a consolidation of mixins or a core mod and does NOT contain a 'normal' mod ( = some class
 # that is annotated with @Mod) you want this to be true. When in doubt: leave it on false!

src/main/java/com/github/dcysteine/neicustomdiagram/api/draw/scroll/ScrollManager.java

@@ -12,8 +12,8 @@
 
 import com.github.dcysteine.neicustomdiagram.api.draw.Dimension;
 import com.github.dcysteine.neicustomdiagram.api.draw.Point;
-import com.github.dcysteine.neicustomdiagram.main.Reflection;
 import com.github.dcysteine.neicustomdiagram.main.config.ConfigOptions;
+import com.github.dcysteine.neicustomdiagram.mixin.mixins.early.GuiContainerAccessor;
 
 import codechicken.lib.gui.GuiDraw;
 import codechicken.nei.recipe.GuiRecipe;
@@ -113,8 +113,8 @@ public Point getRelativeMousePosition(int recipe) {
         java.awt.Point mouse = GuiDraw.getMousePosition();
         java.awt.Point offset = gui.getRecipePosition(recipe);
 
-        int x = mouse.x + horizontalScrollbar.getScroll() - (Reflection.GUI_LEFT.get(gui) + offset.x);
-        int y = mouse.y + verticalScrollbar.getScroll() - (Reflection.GUI_TOP.get(gui) + offset.y);
+        int x = mouse.x + horizontalScrollbar.getScroll() - (((GuiContainerAccessor) gui).getGuiLeft() + offset.x);
+        int y = mouse.y + verticalScrollbar.getScroll() - (((GuiContainerAccessor) gui).getGuiTop() + offset.y);
         return Point.create(x, y);
     }
 
@@ -132,7 +132,9 @@ Point getViewportPosition() {
         }
         GuiRecipe<?> gui = guiOptional.get();
 
-        return Point.create(Reflection.GUI_LEFT.get(gui) + SIDE_MARGIN, Reflection.GUI_TOP.get(gui) + TOP_MARGIN);
+        return Point.create(
+                ((GuiContainerAccessor) gui).getGuiLeft() + SIDE_MARGIN,
+                ((GuiContainerAccessor) gui).getGuiTop() + TOP_MARGIN);
     }
 
     Dimension getViewportDimension() {
@@ -144,8 +146,8 @@ Dimension getViewportDimension() {
         GuiRecipe<?> gui = guiOptional.get();
 
         return Dimension.create(
-                Reflection.X_SIZE.get(gui) - 2 * SIDE_MARGIN,
-                Reflection.Y_SIZE.get(gui) - (TOP_MARGIN + BOTTOM_MARGIN));
+                ((GuiContainerAccessor) gui).getXSize() - 2 * SIDE_MARGIN,
+                ((GuiContainerAccessor) gui).getYSize() - (TOP_MARGIN + BOTTOM_MARGIN));
     }
 
     private void setScissor() {
@@ -162,7 +164,7 @@ private void setScissor() {
         final int guiLeft = (int) matBuf.get(12);
         final int guiTop = (int) matBuf.get(13);
         final int left = guiLeft + SIDE_MARGIN + SCISSOR_MODELVIEW_OFFSET_X;
-        final int bottom = gui.height - (guiTop + Reflection.Y_SIZE.get(gui))
+        final int bottom = gui.height - (guiTop + ((GuiContainerAccessor) gui).getYSize())
                 + BOTTOM_MARGIN
                 + SCISSOR_MODELVIEW_OFFSET_Y;
 

src/main/java/com/github/dcysteine/neicustomdiagram/mixin/EarlyMixinLoader.java

@@ -0,0 +1,51 @@
+package com.github.dcysteine.neicustomdiagram.mixin;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import com.gtnewhorizon.gtnhmixins.IEarlyMixinLoader;
+
+import cpw.mods.fml.relauncher.FMLLaunchHandler;
+import cpw.mods.fml.relauncher.IFMLLoadingPlugin;
+
+@IFMLLoadingPlugin.MCVersion("1.7.10")
+public class EarlyMixinLoader implements IFMLLoadingPlugin, IEarlyMixinLoader {
+
+    @Override
+    public String[] getASMTransformerClass() {
+        return null;
+    }
+
+    @Override
+    public String getModContainerClass() {
+        return null;
+    }
+
+    @Override
+    public String getSetupClass() {
+        return null;
+    }
+
+    @Override
+    public void injectData(Map<String, Object> data) {}
+
+    @Override
+    public String getAccessTransformerClass() {
+        return null;
+    }
+
+    @Override
+    public String getMixinConfig() {
+        return "mixins.neicustomdiagram.early.json";
+    }
+
+    @Override
+    public List<String> getMixins(Set<String> loadedCoreMods) {
+        if (FMLLaunchHandler.side().isClient()) {
+            return Collections.singletonList("GuiContainerAccessor");
+        }
+        return Collections.emptyList();
+    }
+}

src/main/java/com/github/dcysteine/neicustomdiagram/mixin/mixins/early/GuiContainerAccessor.java

@@ -0,0 +1,23 @@
+package com.github.dcysteine.neicustomdiagram.mixin.mixins.early;
+
+import net.minecraft.client.gui.inventory.GuiContainer;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+@Mixin(GuiContainer.class)
+public interface GuiContainerAccessor {
+
+    @Accessor
+    int getXSize();
+
+    @Accessor
+    int getYSize();
+
+    @Accessor
+    int getGuiLeft();
+
+    @Accessor
+    int getGuiTop();
+
+}

src/main/resources/mixins.neicustomdiagram.early.json

@@ -0,0 +1,8 @@
+{
+  "required": true,
+  "minVersion": "0.8.5-GTNH",
+  "package": "com.github.dcysteine.neicustomdiagram.mixin.mixins.early",
+  "refmap": "mixins.neicustomdiagram.refmap.json",
+  "target": "@env(DEFAULT)",
+  "compatibilityLevel": "JAVA_8"
+}

src/main/resources/mixins.neicustomdiagram.json

@@ -0,0 +1,7 @@
+{
+  "required": true,
+  "minVersion": "0.8.5-GTNH",
+  "refmap": "mixins.neicustomdiagram.refmap.json",
+  "target": "@env(DEFAULT)",
+  "compatibilityLevel": "JAVA_8"
+}