Add config for Lod Shading so Old Lighting can be enabled for shaders

api/src/main/java/com/seibel/distanthorizons/api/enums/config/ELodShading.java

@@ -0,0 +1,37 @@
+/*
+ *    This file is part of the Distant Horizons mod (formerly the LOD Mod),
+ *    licensed under the GNU LGPL v3 License.
+ *
+ *    Copyright (C) 2020-2022  James Seibel
+ *
+ *    This program is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Lesser General Public License as published by
+ *    the Free Software Foundation, version 3.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public License
+ *    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.seibel.distanthorizons.api.enums.config;
+
+/**
+ * MINECRAFT <br>
+ * OLD_LIGHTING <br>
+ * NONE <br>
+ */
+public enum ELodShading
+{
+	// Reminder:
+	// when adding items up the API minor version
+	// when removing items up the API major version
+	
+	MINECRAFT,
+	OLD_LIGHTING,
+	NONE;
+	
+}

core/src/main/java/com/seibel/distanthorizons/core/config/Config.java

@@ -586,6 +586,20 @@ public class Config
 									+ "If set to 0 the mod wont overwrite vanilla's default (which so happens to also be 0)")
 							.build();
 					
+					public static ConfigEntry<ELodShading> lodShading = new ConfigEntry.Builder<ELodShading>()
+							.set(ELodShading.MINECRAFT)
+							.comment(""
+									+ "How should LODs be shaded? \n"
+									+ "\n"
+									+ ELodShading.MINECRAFT + ": Uses the same side shading as vanilla Minecraft blocks. \n"
+									+ ELodShading.OLD_LIGHTING + ": Simulates Minecraft's block shading for LODs. \n"
+									+ "              Can be used to force LOD shading when using some shaders. \n"
+									+ ELodShading.NONE + ": All LOD sides will be rendered with the same brightness. \n"
+									+ "")
+							.setPerformance(EConfigEntryPerformance.NONE)
+							.addListener(RenderCacheConfigEventHandler.INSTANCE)
+							.build();
+					
 				}
 				
 			}

core/src/main/java/com/seibel/distanthorizons/core/config/eventHandlers/RenderCacheConfigEventHandler.java

@@ -1,6 +1,7 @@
 package com.seibel.distanthorizons.core.config.eventHandlers;
 
 import com.seibel.distanthorizons.api.DhApi;
+import com.seibel.distanthorizons.api.enums.config.ELodShading;
 import com.seibel.distanthorizons.api.enums.config.EMaxHorizontalResolution;
 import com.seibel.distanthorizons.api.enums.config.EVerticalQuality;
 import com.seibel.distanthorizons.core.config.listeners.IConfigListener;
@@ -22,6 +23,7 @@ public class RenderCacheConfigEventHandler implements IConfigListener
 	// previous values used to check if a watched setting was actually modified
 	private EVerticalQuality previousVerticalQualitySetting = null;
 	private EMaxHorizontalResolution previousHorizontalResolution = null;
+	private ELodShading lodShading = null;
 	
 	/** how long to wait in milliseconds before applying the config changes */
 	private static final long TIMEOUT_IN_MS = 400L;
@@ -54,6 +56,13 @@ public class RenderCacheConfigEventHandler implements IConfigListener
 			refreshRenderData = true;
 		}
 		
+		ELodShading newLodShading = Config.Client.Advanced.Graphics.AdvancedGraphics.lodShading.get();
+		if (this.lodShading != newLodShading)
+		{
+			this.lodShading = newLodShading;
+			refreshRenderData = true;
+		}
+		
 		
 		
 		if (refreshRenderData)