Add KeyBindingAdder

Author: gbui

src/main/java/org/dimdev/rift/listener/client/KeyBindingAdder.java

@@ -0,0 +1,9 @@
+package org.dimdev.rift.listener.client;
+
+import net.minecraft.client.settings.KeyBinding;
+
+import java.util.Collection;
+
+public interface KeyBindingAdder {
+    Collection<? extends KeyBinding> getKeyBindings();
+}

src/main/java/org/dimdev/rift/mixin/hook/client/MixinGameSettings.java

@@ -0,0 +1,30 @@
+package org.dimdev.rift.mixin.hook.client;
+
+import net.minecraft.client.GameSettings;
+import net.minecraft.client.settings.KeyBinding;
+import org.dimdev.rift.listener.client.KeyBindingAdder;
+import org.dimdev.riftloader.RiftLoader;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+@Mixin(GameSettings.class)
+public class MixinGameSettings {
+    @Shadow public KeyBinding[] keyBindings;
+
+    @Inject(method = "loadOptions", at = @At("HEAD"))
+    private void onLoadOptions(CallbackInfo ci) {
+        List<KeyBinding> keyBindingList = new ArrayList<>(keyBindings.length);
+        Collections.addAll(keyBindingList, keyBindings);
+        for (KeyBindingAdder keyBindingAdder : RiftLoader.instance.getListeners(KeyBindingAdder.class)) {
+            keyBindingList.addAll(keyBindingAdder.getKeyBindings());
+        }
+        keyBindings = keyBindingList.toArray(new KeyBinding[0]);
+    }
+}

src/main/resources/mixins.rift.hooks.json

@@ -47,6 +47,7 @@
     "client.MixinTileEntityRendererDispatcher",
     "client.MixinRenderManager",
     "client.MixinEntityPlayerSP",
+    "client.MixinGameSettings",
     "client.MixinGuiIngame",
     "client.MixinIntegratedServer"
   ]