allow different mapping for reflection

src/launch/java/org/spongepowered/common/launch/Launch.java

@@ -33,6 +33,7 @@
 import org.spongepowered.api.plugin.PluginManager;
 import org.spongepowered.asm.mixin.MixinEnvironment;
 import org.spongepowered.common.applaunch.plugin.PluginPlatform;
+import org.spongepowered.common.launch.mapping.SpongeMappingManager;
 import org.spongepowered.common.launch.plugin.SpongePluginManager;
 import org.spongepowered.plugin.PluginContainer;
 import java.util.ArrayList;
@@ -75,6 +76,8 @@ public final String id() {
 
     public abstract SpongePluginManager pluginManager();
 
+    public abstract SpongeMappingManager mappingManager();
+
     public final Logger logger() {
         return this.logger;
     }

src/launch/java/org/spongepowered/common/launch/mapping/SpongeMappingManager.java

@@ -0,0 +1,39 @@
+/*
+ * This file is part of Sponge, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) SpongePowered <https://www.spongepowered.org>
+ * Copyright (c) contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package org.spongepowered.common.launch.mapping;
+
+/**
+ * A mapping manager provide the necessary tool to convert
+ * from Mojang mapping to the current runtime mapping. This
+ * is intended to facility the reflection across different
+ * mapping.
+ */
+public interface SpongeMappingManager {
+	String toRuntimeClassName(String srcName);
+
+	String toRuntimeFieldName(Class<?> owner, String srcName);
+
+	String toRuntimeMethodName(Class<?> owner, String srcName, Class<?> ...params);
+}

src/main/java/org/spongepowered/common/util/ReflectionUtil.java

@@ -110,7 +110,7 @@ public static boolean doesMethodExist(
         final String methodName,
         final Class<?>[] methodParameters
     ) {
-        final String targetMethodForEnvironment = Launch.instance().developerEnvironment() ? methodName : methodName;
+        final String targetMethodForEnvironment = Launch.instance().mappingManager().toRuntimeMethodName(targetClass, methodName, methodParameters);
         try {
             final Class<?> declaringClass = targetClass.getMethod(targetMethodForEnvironment, methodParameters).getDeclaringClass();
             return !ignoredClass.equals(declaringClass);

vanilla/src/launch/java/org/spongepowered/vanilla/launch/VanillaLaunch.java

@@ -32,13 +32,15 @@
 import org.spongepowered.common.inject.SpongeCommonModule;
 import org.spongepowered.common.inject.SpongeModule;
 import org.spongepowered.common.launch.Launch;
+import org.spongepowered.common.launch.mapping.SpongeMappingManager;
 import org.spongepowered.common.launch.plugin.DummyPluginContainer;
 import org.spongepowered.plugin.PluginContainer;
 import org.spongepowered.plugin.jvm.locator.JVMPluginResourceLocatorService;
 import org.spongepowered.plugin.metadata.PluginMetadata;
 import org.spongepowered.plugin.metadata.util.PluginMetadataHelper;
 import org.spongepowered.vanilla.applaunch.plugin.VanillaPluginPlatform;
 import org.spongepowered.vanilla.launch.inject.SpongeVanillaModule;
+import org.spongepowered.vanilla.launch.mapping.VanillaMappingManager;
 import org.spongepowered.vanilla.launch.plugin.VanillaPluginManager;
 
 import java.io.IOException;
@@ -54,12 +56,14 @@ public abstract class VanillaLaunch extends Launch {
 
     private final Stage injectionStage;
     private final VanillaPluginManager pluginManager;
+    private final VanillaMappingManager mappingManager;
     private PluginContainer vanillaPlugin;
 
     protected VanillaLaunch(final VanillaPluginPlatform pluginPlatform, final Stage injectionStage) {
         super(pluginPlatform);
         this.injectionStage = injectionStage;
         this.pluginManager = new VanillaPluginManager();
+        this.mappingManager = new VanillaMappingManager();
     }
 
     @Override
@@ -95,6 +99,11 @@ public final VanillaPluginManager pluginManager() {
         return this.pluginManager;
     }
 
+    @Override
+    public SpongeMappingManager mappingManager() {
+        return this.mappingManager;
+    }
+
     @Override
     public Injector createInjector() {
         final List<Module> modules = Lists.newArrayList(

vanilla/src/launch/java/org/spongepowered/vanilla/launch/mapping/VanillaMappingManager.java

@@ -0,0 +1,44 @@
+/*
+ * This file is part of Sponge, licensed under the MIT License (MIT).
+ *
+ * Copyright (c) SpongePowered <https://www.spongepowered.org>
+ * Copyright (c) contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+package org.spongepowered.vanilla.launch.mapping;
+
+import org.spongepowered.common.launch.mapping.SpongeMappingManager;
+
+public class VanillaMappingManager implements SpongeMappingManager {
+	@Override
+	public String toRuntimeClassName(String srcName) {
+		return srcName;
+	}
+
+	@Override
+	public String toRuntimeFieldName(Class<?> owner, String srcName) {
+		return srcName;
+	}
+
+	@Override
+	public String toRuntimeMethodName(Class<?> owner, String srcName, Class<?>... params) {
+		return srcName;
+	}
+}