Fix 1.12.2 not compiling

cleanroom/src/main/java/com/seibel/distanthorizons/cleanroom/mixins/client/MixinRenderGlobal.java

@@ -21,7 +21,7 @@ package com.seibel.distanthorizons.cleanroom.mixins.client;
 
 import com.seibel.distanthorizons.common.wrappers.world.ClientLevelWrapper;
 import com.seibel.distanthorizons.core.api.internal.ClientApi;
-import com.seibel.distanthorizons.core.util.math.Mat4f;
+import com.seibel.distanthorizons.core.util.math.DhMat4f;
 import net.minecraft.client.multiplayer.WorldClient;
 import net.minecraft.client.renderer.GlStateManager;
 import net.minecraft.client.renderer.RenderGlobal;
@@ -49,12 +49,12 @@ public class MixinRenderGlobal
 		{
 			float[] mcProjMatrixRaw = new float[16];
 			GL11.glGetFloatv(GL11.GL_PROJECTION_MATRIX, mcProjMatrixRaw);
-			ClientApi.RENDER_STATE.mcProjectionMatrix = new Mat4f(mcProjMatrixRaw);
+			ClientApi.RENDER_STATE.mcProjectionMatrix = new DhMat4f(mcProjMatrixRaw);
 			ClientApi.RENDER_STATE.mcProjectionMatrix.transpose();
 			
 			float[] mcModelViewRaw = new float[16];
 			GL11.glGetFloatv(GL11.GL_MODELVIEW_MATRIX, mcModelViewRaw);
-			ClientApi.RENDER_STATE.mcModelViewMatrix = new Mat4f(mcModelViewRaw);
+			ClientApi.RENDER_STATE.mcModelViewMatrix = new DhMat4f(mcModelViewRaw);
 			ClientApi.RENDER_STATE.mcModelViewMatrix.transpose();
 			
 			ClientApi.RENDER_STATE.partialTickTime = (float) partialTicks;

common/src/main/java/com/seibel/distanthorizons/common/AbstractModInitializer.java

@@ -1,6 +1,8 @@
 package com.seibel.distanthorizons.common;
 
+import com.seibel.distanthorizons.api.enums.config.EDhApiMcRenderingFadeMode;
 import com.seibel.distanthorizons.api.enums.config.EDhApiRenderingEngine;
+import com.seibel.distanthorizons.api.enums.worldGeneration.EDhApiDistantGeneratorMode;
 import com.seibel.distanthorizons.api.methods.events.abstractEvents.DhApiAfterDhInitEvent;
 import com.seibel.distanthorizons.api.methods.events.abstractEvents.DhApiBeforeDhInitEvent;
 import com.seibel.distanthorizons.common.commands.CommandInitializer;

common/src/main/java/com/seibel/distanthorizons/common/commonMixins/DhUpdateScreenBase.java

@@ -82,8 +82,8 @@ public class DhUpdateScreenBase
 				try
 				{
 					#if MC_VER <= MC_1_12_2
-					DhScreenUtil.showScreen(new UpdateModScreen(
+					DhScreenUtil.setScreen(new UpdateModScreen(
-						new TitleScreen(false),
+						new GuiMainMenu(),
 						versionId
 					));
 					#else

common/src/main/java/com/seibel/distanthorizons/common/wrappers/gui/DhScreenUtil.java

@@ -1,7 +1,11 @@
 package com.seibel.distanthorizons.common.wrappers.gui;
 
 import net.minecraft.client.Minecraft;
+#if MC_VER <= MC_1_12_2
+import net.minecraft.client.gui.GuiScreen;
+#else
 import net.minecraft.client.gui.screens.Screen;
+#endif
 
 import java.util.Objects;
 
@@ -12,7 +16,11 @@ public class DhScreenUtil
 	//================//
 	//region
 	
+	#if MC_VER <= MC_1_12_2
+	public static void setScreen(GuiScreen screen)
+	#else
 	public static void setScreen(Screen screen)
+	#endif
 	{
 		#if MC_VER <= MC_1_12_2
 		Objects.requireNonNull(Minecraft.getMinecraft()).displayGuiScreen(screen);

common/src/main/java/com/seibel/distanthorizons/common/wrappers/gui/classicConfig/DhConfigScreen.java

@@ -3,41 +3,55 @@ package com.seibel.distanthorizons.common.wrappers.gui.classicConfig;
 import java.util.AbstractMap;
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 import java.util.function.Function;
 import java.util.function.Predicate;
 import java.util.regex.Pattern;
 
 import com.seibel.distanthorizons.api.enums.config.DisallowSelectingViaConfigGui;
-import com.seibel.distanthorizons.common.wrappers.gui.DhScreen;
+import com.seibel.distanthorizons.common.wrappers.gui.*;
-import com.seibel.distanthorizons.common.wrappers.gui.DhScreenUtil;
-import com.seibel.distanthorizons.common.wrappers.gui.TexturedButtonWidget;
 import com.seibel.distanthorizons.common.wrappers.gui.config.ConfigGuiInfo;
 import com.seibel.distanthorizons.common.wrappers.minecraft.MinecraftClientWrapper;
 import com.seibel.distanthorizons.core.config.Config;
 import com.seibel.distanthorizons.core.config.ConfigHandler;
 import com.seibel.distanthorizons.core.config.types.*;
 import com.seibel.distanthorizons.common.wrappers.gui.updater.ChangelogScreen;
-
+import com.seibel.distanthorizons.core.config.types.enums.EConfigCommentTextPosition;
 import com.seibel.distanthorizons.core.config.types.enums.EConfigValidity;
 import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
 import com.seibel.distanthorizons.core.jar.updater.SelfUpdater;
 import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
 import com.seibel.distanthorizons.core.util.AnnotationUtil;
+import com.seibel.distanthorizons.core.wrapperInterfaces.config.IConfigGui;
 import com.seibel.distanthorizons.core.wrapperInterfaces.config.ILangWrapper;
 import com.seibel.distanthorizons.coreapi.ModInfo;
+import net.minecraft.client.Minecraft;
+#if MC_VER <= MC_1_12_2
+import net.minecraft.client.gui.*;
+import net.minecraft.client.renderer.Tessellator;
+import net.minecraft.util.text.ITextComponent;
+import net.minecraft.util.text.Style;
+import net.minecraft.util.text.TextFormatting;
+#else
 import net.minecraft.ChatFormatting;
+import net.minecraft.client.gui.Font;
 import net.minecraft.client.gui.components.AbstractWidget;
 import net.minecraft.client.gui.components.Button;
+import net.minecraft.client.gui.components.ContainerObjectSelectionList;
 import net.minecraft.client.gui.components.EditBox;
+import net.minecraft.client.gui.components.events.GuiEventListener;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.network.chat.Component;
+#endif
 import com.seibel.distanthorizons.core.logging.DhLogger;
+import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-
+#if MC_VER <= MC_1_12_2
-#if MC_VER < MC_1_20_1
+#elif MC_VER < MC_1_20_1
 import com.mojang.blaze3d.vertex.PoseStack;
 import net.minecraft.client.gui.GuiComponent;
 #elif MC_VER <= MC_1_21_11
@@ -47,16 +61,21 @@ import net.minecraft.client.gui.GuiGraphicsExtractor;
 #endif
 
 #if MC_VER >= MC_1_17_1
+import net.minecraft.client.gui.narration.NarratableEntry;
 #endif
 
-#if MC_VER <= MC_1_21_10
+#if MC_VER <= MC_1_12_2
+import net.minecraft.util.ResourceLocation;
+#elif MC_VER <= MC_1_21_10
 import net.minecraft.resources.ResourceLocation;
 #else
 import net.minecraft.resources.Identifier;
 #endif
 
 import org.lwjgl.glfw.GLFW;
+#if MC_VER > MC_1_12_2
 import com.mojang.blaze3d.platform.InputConstants;
+#endif
 
 import static com.seibel.distanthorizons.common.wrappers.gui.GuiHelper.*;
 import static com.seibel.distanthorizons.common.wrappers.gui.GuiHelper.Translatable;
@@ -70,21 +89,38 @@ class DhConfigScreen extends DhScreen
 	
 	private static final MinecraftClientWrapper MC_CLIENT = MinecraftClientWrapper.INSTANCE;
 	
+	#if MC_VER <= MC_1_12_2
+	private static final int changelogButton_id = 101;
+	#endif
 	
+	#if MC_VER <= MC_1_12_2
+	private final GuiScreen parent;
+	#else
 	private final Screen parent;
+	#endif
+	
 	private final String category;
 	private ClassicConfigGUI.ConfigListWidget configListWidget;
 	private boolean reload = false;
 	
+	#if MC_VER <= MC_1_12_2
+	private GuiButton doneButton;
+	#else
 	private Button doneButton;
+	#endif
 	
 	
 	
 	//=============//
 	// constructor //
 	//=============//
+	//region
 	
+	#if MC_VER <= MC_1_12_2
+	protected DhConfigScreen(GuiScreen parent, String category)
+	#else
 	protected DhConfigScreen(Screen parent, String category)
+	#endif
 	{
 		super(Translatable(
 			LANG_WRAPPER.langExists(ModInfo.ID + ".config" + (category.isEmpty() ? "." + category : "") + ".title") ?
@@ -95,20 +131,44 @@ class DhConfigScreen extends DhScreen
 		this.category = category;
 	}
 	
+	//endregion
+	
+	
+	
+	//===================//
+	// menu UI lifecycle //
+	//===================//
+	//region
 	
 	@Override
+	#if MC_VER <= MC_1_12_2
+	public void updateScreen() { super.updateScreen(); }
+	#else
 	public void tick() { super.tick(); }
+	#endif
+	
+	//endregion
 	
 	
 	
 	//==================//
 	// menu UI creation //
 	//==================//
+	//region
 	
 	@Override
+	#if MC_VER <= MC_1_12_2
+	public void initGui()
+	#else
 	protected void init()
+	#endif
 	{
+		#if MC_VER <= MC_1_12_2
+		super.initGui();
+		#else
 		super.init();
+		#endif
+		
 		if (!this.reload)
 		{
 			ConfigHandler.INSTANCE.configFileHandler.loadFromFile();
@@ -120,6 +180,9 @@ class DhConfigScreen extends DhScreen
 			&& !ModInfo.IS_DEV_BUILD)
 		{
 			this.addBtn(new TexturedButtonWidget(
+				#if MC_VER <= MC_1_12_2
+				changelogButton_id,
+				#endif
 				// Where the button is on the screen
 				this.width - 28, this.height - 28,
 				// Width and height of the button
@@ -137,6 +200,7 @@ class DhConfigScreen extends DhScreen
 				#endif
 				20, 20,
 				// Create the button and tell it where to go
+				#if MC_VER > MC_1_12_2
 				(buttonWidget) -> {
 					ChangelogScreen changelogScreen = new ChangelogScreen(this);
 					if (changelogScreen.usable)
@@ -148,8 +212,13 @@ class DhConfigScreen extends DhScreen
 						LOGGER.warn("Changelog was not able to open");
 					}
 				},
+				#endif
 				// Add a title to the button
+				#if MC_VER <= MC_1_12_2
+				Translatable(ModInfo.ID + ".updater.title").getFormattedText()
+				#else
 				Translatable(ModInfo.ID + ".updater.title")
+				#endif
 			));
 		}
 		
@@ -175,16 +244,23 @@ class DhConfigScreen extends DhScreen
 					DhScreenUtil.setScreen(this.parent);
 				}));
 		
+		#if MC_VER <= MC_1_12_2
+		this.configListWidget = new ClassicConfigGUI.ConfigListWidget(this.mc, this.width * 2, this.height, 32, 32, 25);
+		#else
 		this.configListWidget = new ClassicConfigGUI.ConfigListWidget(this.minecraft, this.width * 2, this.height, 32, 32, 25);
+		#endif
 		
-		#if MC_VER < MC_1_20_6 // no background is rendered in MC 1.20.6+
+	    #if MC_VER <= MC_1_12_2
+		#elif MC_VER < MC_1_20_6 // no background is rendered in MC 1.20.6+
 		if (this.minecraft != null && this.minecraft.level != null)
 		{
 			this.configListWidget.setRenderBackground(false);
 		}
 		#endif
 		
+		#if MC_VER > MC_1_12_2
 		this.addWidget(this.configListWidget);
+		#endif
 		
 		for (AbstractConfigBase<?> configEntry : ConfigHandler.INSTANCE.configBaseList)
 		{
@@ -347,18 +423,35 @@ class DhConfigScreen extends DhScreen
 	private static void setupBooleanMenuOption(ConfigEntry<Boolean> booleanConfigEntry)
 	{
 		// For boolean
+		#if MC_VER <= MC_1_12_2
+		Function<Object, ITextComponent> func = value -> Translatable("distanthorizons.general."+((Boolean) value ? "true" : "false")).setStyle(new Style().setColor((Boolean) value ? TextFormatting.GREEN : TextFormatting.RED));
+		#else
 		Function<Object, Component> func = value -> Translatable("distanthorizons.general." + ((Boolean) value ? "true" : "false")).withStyle((Boolean) value ? ChatFormatting.GREEN : ChatFormatting.RED);
+		#endif
 		
 		final ConfigGuiInfo configGuiInfo = ((ConfigGuiInfo) booleanConfigEntry.guiValue);
 		
 		configGuiInfo.buttonOptionMap =
+			#if MC_VER <= MC_1_12_2
+			new AbstractMap.SimpleEntry<OnPressed, Function<Object, ITextComponent>>(
+			#else
 			new AbstractMap.SimpleEntry<Button.OnPress, Function<Object, Component>>(
+			#endif
 				(button) ->
 				{
+					#if MC_VER <= MC_1_12_2
+					button.enabled = !booleanConfigEntry.apiIsOverriding();
+					#else
 					button.active = !booleanConfigEntry.apiIsOverriding();
+					#endif
 					
 					booleanConfigEntry.uiSetWithoutSaving(!booleanConfigEntry.get());
+
+					#if MC_VER <= MC_1_12_2
+					button.displayString = func.apply(booleanConfigEntry.get()).getFormattedText();
+					#else
 					button.setMessage(func.apply(booleanConfigEntry.get()));
+					#endif
 				}, func);
 	}
 	private static void setupEnumMenuOption(ConfigEntry<Enum<?>> enumConfigEntry, Class<? extends Enum<?>> enumClass)
@@ -367,20 +460,29 @@ class DhConfigScreen extends DhScreen
 		
 		final ConfigGuiInfo configGuiInfo = ((ConfigGuiInfo) enumConfigEntry.guiValue);
 		
+		#if MC_VER <= MC_1_12_2
+		Function<Object, ITextComponent > getEnumTranslatableFunc = (value) -> Translatable(TRANSLATION_PREFIX + "enum." + enumClass.getSimpleName() + "." + enumConfigEntry.get().toString());
+		#else
 		Function<Object, Component> getEnumTranslatableFunc = (value) -> Translatable(TRANSLATION_PREFIX + "enum." + enumClass.getSimpleName() + "." + enumConfigEntry.get().toString());
+		#endif
+		
 		configGuiInfo.buttonOptionMap =
+			#if MC_VER <= MC_1_12_2
+			new AbstractMap.SimpleEntry<OnPressed, Function<Object, ITextComponent>>(
+			#else
 			new AbstractMap.SimpleEntry<Button.OnPress, Function<Object, Component>>(
+			#endif
 				(button) ->
 				{
 					// get the currently selected enum and enum index
 					int startingIndex = enumList.indexOf(enumConfigEntry.get());
 					Enum<?> enumValue = enumList.get(startingIndex);
 					
-					boolean shiftPressed =
+					#if MC_VER <= MC_1_12_2
-						InputConstants.isKeyDown(MC_CLIENT.getGlfwWindowId(), GLFW.GLFW_KEY_LEFT_SHIFT)
+					boolean shiftPressed = GuiScreen.isShiftKeyDown();
-							|| InputConstants.isKeyDown(MC_CLIENT.getGlfwWindowId(), GLFW.GLFW_KEY_RIGHT_SHIFT);
+					#else
-					
+					boolean shiftPressed = InputConstants.isKeyDown(MC_CLIENT.getGlfwWindowId(), GLFW.GLFW_KEY_LEFT_SHIFT) || InputConstants.isKeyDown(MC_CLIENT.getGlfwWindowId(), GLFW.GLFW_KEY_RIGHT_SHIFT);
-					
+					#endif
 					
 					// move forward or backwards depending on if the shift key is pressed
 					int index = shiftPressed ? startingIndex - 1 : startingIndex + 1;
@@ -432,9 +534,13 @@ class DhConfigScreen extends DhScreen
 					
 					enumConfigEntry.uiSetWithoutSaving(enumValue);
 					
+					#if MC_VER <= MC_1_12_2
+					button.enabled = !enumConfigEntry.apiIsOverriding();
+					button.displayString = getEnumTranslatableFunc.apply(enumConfigEntry.get()).getFormattedText();
+					#else
 					button.active = !enumConfigEntry.apiIsOverriding();
-					
 					button.setMessage(getEnumTranslatableFunc.apply(enumConfigEntry.get()));
+					#endif
 				}, getEnumTranslatableFunc);
 	}
 	
@@ -450,8 +556,9 @@ class DhConfigScreen extends DhScreen
 			//==============//
 			// reset button //
 			//==============//
+			//region
 			
-			Button.OnPress btnAction = (button) ->
+			#if MC_VER <= MC_1_12_2 OnPressed #else Button.OnPress #endif btnAction = (button) ->
 			{
 				configEntry.uiSetWithoutSaving(configEntry.getDefaultValue());
 				this.reload = true;
@@ -463,29 +570,60 @@ class DhConfigScreen extends DhScreen
 				- ClassicConfigGUI.ConfigScreenConfigs.SPACE_FROM_RIGHT_SCREEN;
 			int resetButtonPosZ = 0;
 			
-			Button resetButton = MakeBtn(
+			#if MC_VER <= MC_1_12_2 GuiButton #else Button #endif resetButton = MakeBtn(
+				#if MC_VER <= MC_1_12_2
+			Translatable("distanthorizons.general.reset").setStyle(new Style().setColor(TextFormatting.RED)),
+				#else
 				Translatable("distanthorizons.general.reset").withStyle(ChatFormatting.RED),
+				#endif
 			resetButtonPosX, resetButtonPosZ,
 			ClassicConfigGUI.ConfigScreenConfigs.RESET_BUTTON_WIDTH, ClassicConfigGUI.ConfigScreenConfigs.RESET_BUTTON_HEIGHT,
 			btnAction);
 			
-			if (configEntry.apiIsOverriding())
+			
+			if (configEntry.mcVersionOverridePresent())
 			{
+				#if MC_VER <= MC_1_12_2
+				resetButton.enabled = false;
+				resetButton.displayString = Translatable("distanthorizons.general.unsupportedMcVersion").setStyle(new Style().setColor(TextFormatting.DARK_GRAY)).getFormattedText();
+				#else
+				resetButton.active = false;
+				resetButton.setMessage(Translatable("distanthorizons.general.unsupportedMcVersion").withStyle(ChatFormatting.DARK_GRAY));
+				#endif
+			}
+			else if (configEntry.apiIsOverriding())
+			{
+				#if MC_VER <= MC_1_12_2
+				resetButton.enabled = false;
+				resetButton.displayString = Translatable("distanthorizons.general.apiOverride").setStyle(new Style().setColor(TextFormatting.DARK_GRAY)).getFormattedText();
+				#else
 				resetButton.active = false;
 				resetButton.setMessage(Translatable("distanthorizons.general.apiOverride").withStyle(ChatFormatting.DARK_GRAY));
+				#endif
 			}
 			else
 			{
+				#if MC_VER <= MC_1_12_2
+				resetButton.enabled = true;
+				#else
 				resetButton.active = true;
+				#endif
 			}
 			
+			//endregion
+			
 			
 			
 			//==============//
 			// option field //
 			//==============//
+			//region
 			
+			#if MC_VER <= MC_1_12_2
+			ITextComponent textComponent = this.GetTranslatableTextComponentForConfig(configEntry);
+			#else
 			Component textComponent = this.GetTranslatableTextComponentForConfig(configEntry);
+			#endif
 			
 			int optionFieldPosX = this.width
 				- ClassicConfigGUI.ConfigScreenConfigs.SPACE_FROM_RIGHT_SCREEN
@@ -497,21 +635,40 @@ class DhConfigScreen extends DhScreen
 			if (configGuiInfo.buttonOptionMap != null)
 			{
 				// enum/multi option input button
-				
+				#if MC_VER <= MC_1_12_2
+				Map.Entry<OnPressed, Function<Object,ITextComponent>> widget = configGuiInfo.buttonOptionMap;
+				#else
 				Map.Entry<Button.OnPress, Function<Object, Component>> widget = configGuiInfo.buttonOptionMap;
+				#endif
+				
 				if (configEntry.getType().isEnum())
 				{
 					widget.setValue((value) -> Translatable(TRANSLATION_PREFIX + "enum." + configEntry.getType().getSimpleName() + "." + configEntry.get().toString()));
 				}
 				
+				#if MC_VER <= MC_1_12_2
+				GuiButton button = MakeBtn(
+				#else
 				Button button = MakeBtn(
+				#endif
 					widget.getValue().apply(configEntry.get()),
 					optionFieldPosX, optionFieldPosZ,
 					ClassicConfigGUI.ConfigScreenConfigs.OPTION_FIELD_WIDTH, ClassicConfigGUI.ConfigScreenConfigs.CATEGORY_BUTTON_HEIGHT,
 					widget.getKey());
 				
+				
 				// deactivate the button if the API is overriding it
-				button.active = !configEntry.apiIsOverriding();
+				// or the MC version doesn't support it
+				if (configEntry.mcVersionOverridePresent()
+					|| configEntry.apiIsOverriding())
+				{
+					#if MC_VER <= MC_1_12_2
+					button.enabled = false;
+					#else
+					button.active = false;
+					#endif
+				}
+				
 				
 				
 				this.configListWidget.addButton(this, configEntry,
@@ -525,16 +682,25 @@ class DhConfigScreen extends DhScreen
 			else
 			{
 				// text box input
-				
+				#if MC_VER <= MC_1_12_2
+				GuiTextField widget = new GuiTextField(0, this.fontRenderer,
+					optionFieldPosX, optionFieldPosZ,
+					ClassicConfigGUI.ConfigScreenConfigs.OPTION_FIELD_WIDTH - 4, ClassicConfigGUI.ConfigScreenConfigs.CATEGORY_BUTTON_HEIGHT);
+				widget.setMaxStringLength(3_000_000); // hopefully 3 million characters should be enough for any normal use-case, lol
+				widget.setText(String.valueOf(configEntry.get()));
+				#else
 				EditBox widget = new EditBox(this.font,
 					optionFieldPosX, optionFieldPosZ,
 					ClassicConfigGUI.ConfigScreenConfigs.OPTION_FIELD_WIDTH - 4, ClassicConfigGUI.ConfigScreenConfigs.CATEGORY_BUTTON_HEIGHT,
 					Translatable(""));
 				widget.setMaxLength(3_000_000); // hopefully 3 million characters should be enough for any normal use-case, lol
 				widget.insertText(String.valueOf(configEntry.get()));
+				#endif
 				
 				Predicate<String> processor = configGuiInfo.tooltipFunction.apply(widget, this.doneButton);
-				#if MC_VER <= MC_1_21_11
+				#if MC_VER <= MC_1_12_2
+				widget.setValidator(processor::test);
+				#elif MC_VER <= MC_1_21_11
 				widget.setFilter(processor);
 				#else
 				widget.setResponder(processor::test);
@@ -544,6 +710,8 @@ class DhConfigScreen extends DhScreen
 				
 				return true;
 			}
+			
+			//endregion
 		}
 		
 		return false;
@@ -554,12 +722,21 @@ class DhConfigScreen extends DhScreen
 		{
 			ConfigCategory configCategory = (ConfigCategory) configType;
 			
+			#if MC_VER <= MC_1_12_2
+			ITextComponent textComponent = this.GetTranslatableTextComponentForConfig(configCategory);
+			#else
 			Component textComponent = this.GetTranslatableTextComponentForConfig(configCategory);
+			#endif
 			
 			int categoryPosX = this.width - ClassicConfigGUI.ConfigScreenConfigs.CATEGORY_BUTTON_WIDTH - ClassicConfigGUI.ConfigScreenConfigs.SPACE_FROM_RIGHT_SCREEN;
 			int categoryPosZ = this.height - ClassicConfigGUI.ConfigScreenConfigs.CATEGORY_BUTTON_HEIGHT; // Note: the posZ value here seems to be ignored
 			
-			Button widget = MakeBtn(textComponent,
+			#if MC_VER <= MC_1_12_2
+			GuiButton widget = MakeBtn(
+			#else
+			Button widget = MakeBtn(
+			#endif
+				textComponent,
 				categoryPosX, categoryPosZ,
 				ClassicConfigGUI.ConfigScreenConfigs.CATEGORY_BUTTON_WIDTH, ClassicConfigGUI.ConfigScreenConfigs.CATEGORY_BUTTON_HEIGHT,
 				((button) ->
@@ -580,11 +757,20 @@ class DhConfigScreen extends DhScreen
 		{
 			ConfigUIButton configUiButton = (ConfigUIButton) configType;
 			
+			#if MC_VER <= MC_1_12_2
+			ITextComponent textComponent = this.GetTranslatableTextComponentForConfig(configUiButton);
+			#else
 			Component textComponent = this.GetTranslatableTextComponentForConfig(configUiButton);
+			#endif
 			
 			int buttonPosX = this.width - ClassicConfigGUI.ConfigScreenConfigs.CATEGORY_BUTTON_WIDTH - ClassicConfigGUI.ConfigScreenConfigs.SPACE_FROM_RIGHT_SCREEN;
 			
-			Button widget = MakeBtn(textComponent,
+			#if MC_VER <= MC_1_12_2
+			GuiButton widget = MakeBtn(
+			#else
+			Button widget = MakeBtn(
+			#endif
+				textComponent,
 				buttonPosX, this.height - 28,
 				ClassicConfigGUI.ConfigScreenConfigs.CATEGORY_BUTTON_WIDTH, ClassicConfigGUI.ConfigScreenConfigs.CATEGORY_BUTTON_HEIGHT,
 				(button) -> ((ConfigUIButton) configType).runAction());
@@ -601,7 +787,11 @@ class DhConfigScreen extends DhScreen
 		{
 			ConfigUIComment configUiComment = (ConfigUIComment) configType;
 			
+			#if MC_VER <= MC_1_12_2
+			ITextComponent textComponent = this.GetTranslatableTextComponentForConfig(configUiComment);
+			#else
 			Component textComponent = this.GetTranslatableTextComponentForConfig(configUiComment);
+			#endif
 			if (configUiComment.parentConfigPath != null)
 			{
 				textComponent = Translatable(TRANSLATION_PREFIX + configUiComment.parentConfigPath);
@@ -618,7 +808,12 @@ class DhConfigScreen extends DhScreen
 	{
 		if (configType instanceof ConfigUISpacer)
 		{   
-			Button spacerButton = MakeBtn(Translatable("distanthorizons.general.spacer"),
+			#if MC_VER <= MC_1_12_2
+			GuiButton spacerButton = MakeBtn(
+			#else
+			Button spacerButton = MakeBtn(
+			#endif
+				Translatable("distanthorizons.general.spacer"),
 				10, 10, // having too small of a size causes division by 0 errors in older MC versions (IE 1.20.1)
 				1, 1,
 				(button) -> { });
@@ -643,17 +838,26 @@ class DhConfigScreen extends DhScreen
 		return false;
 	}
 	
+	#if MC_VER <= MC_1_12_2
+	private ITextComponent GetTranslatableTextComponentForConfig(AbstractConfigBase<?> configType)
+	#else
 	private Component GetTranslatableTextComponentForConfig(AbstractConfigBase<?> configType)
+	#endif
 	{ return Translatable(TRANSLATION_PREFIX + configType.getNameAndCategory()); }
 	
+	//endregion
+	
 	
 	
 	//===========//
 	// rendering //
 	//===========//
+	//region
 	
 	@Override
-#if MC_VER < MC_1_20_1
+	#if MC_VER <= MC_1_12_2
+	public void drawScreen(int mouseX, int mouseY, float delta)
+	#elif MC_VER < MC_1_20_1
 	public void render(PoseStack matrices, int mouseX, int mouseY, float delta)
 	#elif MC_VER <= MC_1_21_11
 	public void render(GuiGraphics matrices, int mouseX, int mouseY, float delta)
@@ -661,7 +865,9 @@ class DhConfigScreen extends DhScreen
 	public void extractRenderState(GuiGraphicsExtractor matrices, int mouseX, int mouseY, float delta)
 	#endif
 	{
-		#if MC_VER < MC_1_20_2 // 1.20.2 now enables this by default in the `this.list.render` function
+		#if MC_VER <= MC_1_12_2
+		this.drawDefaultBackground();
+		#elif MC_VER < MC_1_20_2 // 1.20.2 now enables this by default in the `this.list.render` function
 		this.renderBackground(matrices);
 		#elif MC_VER <= MC_1_21_11
 		super.render(matrices, mouseX, mouseY, delta);
@@ -670,7 +876,9 @@ class DhConfigScreen extends DhScreen
 		#endif
 		
 		// Render buttons
-		#if MC_VER <= MC_1_21_11
+		#if MC_VER <= MC_1_12_2
+		this.configListWidget.drawScreen(mouseX, mouseY, delta);
+		#elif MC_VER <= MC_1_21_11
 		this.configListWidget.render(matrices, mouseX, mouseY, delta);
 		#else
 		this.configListWidget.extractRenderState(matrices, mouseX, mouseY, delta);
@@ -678,7 +886,11 @@ class DhConfigScreen extends DhScreen
 		
 		
 		// Render config title
-		this.DhDrawCenteredString(matrices, this.font, this.title,
+		this.DhDrawCenteredString(
+			#if MC_VER > MC_1_12_2	
+			matrices, this.font,
+			#endif
+			this.title,
 			this.width / 2, 15, 
 			#if MC_VER < MC_1_21_6
 			0xFFFFFF // RGB white
@@ -688,7 +900,11 @@ class DhConfigScreen extends DhScreen
 		
 		
 		// render DH version
-		this.DhDrawString(matrices, this.font, TextOrLiteral(ModInfo.VERSION), 2, this.height - 10, 
+		this.DhDrawString(
+			#if MC_VER > MC_1_12_2	
+			matrices, this.font,
+			#endif
+			TextOrLiteral(ModInfo.VERSION), 2, this.height - 10, 
 			#if MC_VER < MC_1_21_6
 			0xAAAAAA // RGB white
 			#else
@@ -698,7 +914,11 @@ class DhConfigScreen extends DhScreen
 		// If the update is pending, display this message to inform the user that it will apply when the game restarts
 		if (SelfUpdater.deleteOldJarOnJvmShutdown)
 		{
-			this.DhDrawString(matrices, this.font, Translatable(ModInfo.ID + ".updater.waitingForClose"), 4, this.height - 42, 
+			this.DhDrawString(
+				#if MC_VER > MC_1_12_2	
+				matrices, this.font,
+				#endif
+				Translatable(ModInfo.ID + ".updater.waitingForClose"), 4, this.height - 42, 
 				#if MC_VER < MC_1_21_6
 				0xFFFFFF // RGB white
 				#else
@@ -706,15 +926,22 @@ class DhConfigScreen extends DhScreen
 				#endif);
 		}
 		
-		
+		#if MC_VER <= MC_1_12_2
+		this.renderTooltip(mouseX, mouseY, delta);
+		#else
 		this.renderTooltip(matrices, mouseX, mouseY, delta);
+		#endif
 		
-		#if MC_VER < MC_1_20_2
+		#if MC_VER <= MC_1_12_2
+		super.drawScreen(mouseX, mouseY, delta);
+		#elif MC_VER < MC_1_20_2
 		super.render(matrices, mouseX, mouseY, delta);
 		#endif
 	}
 	
-	#if MC_VER < MC_1_20_1
+	#if MC_VER <= MC_1_12_2
+	private void renderTooltip(int mouseX, int mouseY, float delta)
+	#elif MC_VER < MC_1_20_1
 	private void renderTooltip(PoseStack matrices, int mouseX, int mouseY, float delta)
 	#elif MC_VER <= MC_1_21_11
 	private void renderTooltip(GuiGraphics matrices, int mouseX, int mouseY, float delta)
@@ -722,7 +949,11 @@ class DhConfigScreen extends DhScreen
 	private void renderTooltip(GuiGraphicsExtractor matrices, int mouseX, int mouseY, float delta)
 	#endif
 	{
+		#if MC_VER <= MC_1_12_2
+		Gui hoveredWidget = this.configListWidget.getHoveredButton(mouseX, mouseY);
+		#else
 		AbstractWidget hoveredWidget = this.configListWidget.getHoveredButton(mouseX, mouseY);
+		#endif
 		if (hoveredWidget == null)
 		{
 			return;
@@ -738,14 +969,20 @@ class DhConfigScreen extends DhScreen
 			button.dhConfigType;
 		
 		boolean apiOverrideActive = false;
+		boolean unsupportedMcVersion = false;
 		if (configBase instanceof ConfigEntry)
 		{
 			apiOverrideActive = ((ConfigEntry<?>) configBase).apiIsOverriding();
+			unsupportedMcVersion = ((ConfigEntry<?>) configBase).mcVersionOverridePresent();
 		}
 		
 		String key = TRANSLATION_PREFIX + (configBase.category.isEmpty() ? "" : configBase.category + ".") + configBase.getName() + ".@tooltip";
 		
-		if (apiOverrideActive)
+		if (unsupportedMcVersion)
+		{
+			key = "distanthorizons.general.unsupportedMcVersion.@tooltip";
+		}
+		else if (apiOverrideActive)
 		{
 			key = "distanthorizons.general.disabledByApi.@tooltip";
 		}
@@ -754,37 +991,136 @@ class DhConfigScreen extends DhScreen
 		final ConfigGuiInfo configGuiInfo = ((ConfigGuiInfo) configBase.guiValue);
 		if (configGuiInfo.errorMessage != null)
 		{
+			#if MC_VER <= MC_1_12_2
+			this.DhRenderTooltip(configGuiInfo.errorMessage, mouseX, mouseY);
+			#else
 			this.DhRenderTooltip(matrices, this.font, configGuiInfo.errorMessage, mouseX, mouseY);
+			#endif
 		}
 		// display the tooltip if present
 		else if (LANG_WRAPPER.langExists(key))
 		{
+			#if MC_VER <= MC_1_12_2
+			List<ITextComponent> list = new ArrayList<>();
+			#else
 			List<Component> list = new ArrayList<>();
+			#endif
+			
 			String lang = LANG_WRAPPER.getLang(key);
 			for (String langLine : lang.split("\n"))
 			{
 				list.add(TextOrTranslatable(langLine));
 			}
 			
+			#if MC_VER <= MC_1_12_2
+			this.DhRenderComponentTooltip(list, mouseX, mouseY);
+			#else
 			this.DhRenderComponentTooltip(matrices, this.font, list, mouseX, mouseY);
+			#endif
 		}
 	}
 	
+	#if MC_VER <= MC_1_12_2
+	@Override
+	protected void actionPerformed(GuiButton button)
+	{
+		super.actionPerformed(button);
+		if(button.id == changelogButton_id)
+		{
+			ChangelogScreen changelogScreen = new ChangelogScreen(this);
+			if (changelogScreen.usable)
+			{
+				Minecraft.getMinecraft().displayGuiScreen(changelogScreen);
+			}
+			else
+			{
+				LOGGER.warn("Changelog was not able to open");
+			}
+		}
+	}
+	
+	@Override
+	protected void mouseClicked(int mouseX, int mouseY, int mouseButton) throws java.io.IOException
+	{
+		super.mouseClicked(mouseX, mouseY, mouseButton);
+		
+		if (mouseY >= this.configListWidget.top && mouseY <= this.configListWidget.bottom)
+		{
+			for (ClassicConfigGUI.DhButtonEntry entry : this.configListWidget.children)
+			{
+				if (entry.button instanceof GuiButton btn && btn.visible)
+				{
+					if (btn.mousePressed(this.mc, mouseX, mouseY))
+					{
+						btn.playPressSound(this.mc.getSoundHandler());
+						OnPressed handler = GuiHelper.HANDLER_BY_BUTTON.get(btn);
+						if (handler != null) handler.pressed(btn);
+					}
+				}
+				else if (entry.button instanceof GuiTextField field && field.getVisible())
+				{
+					field.mouseClicked(mouseX, mouseY, mouseButton);
+				}
+				
+				if (entry.resetButton instanceof GuiButton reset && reset.visible)
+				{
+					if (reset.mousePressed(this.mc, mouseX, mouseY))
+					{
+						reset.playPressSound(this.mc.getSoundHandler());
+						OnPressed handler = GuiHelper.HANDLER_BY_BUTTON.get(reset);
+						if (handler != null) handler.pressed(reset);
+					}
+				}
+			}
+		}
+	}
+	
+	@Override
+	protected void keyTyped(char typedChar, int keyCode) throws java.io.IOException
+	{
+		super.keyTyped(typedChar, keyCode);
+		for (ClassicConfigGUI.DhButtonEntry entry : this.configListWidget.children)
+		{
+			if (entry.button instanceof GuiTextField field)
+			{
+				field.textboxKeyTyped(typedChar, keyCode);
+			}
+		}
+	}
+	
+	@Override
+	public void handleMouseInput() throws java.io.IOException
+	{
+		super.handleMouseInput();
+		this.configListWidget.handleMouseInput();
+	}
+	#endif
+	
+	//endregion
+	
 	
 	
 	//==========//
 	// shutdown //
 	//==========//
-	
+	//region
 	/** When you close it, it goes to the previous screen and saves */
 	@Override
+	#if MC_VER <= MC_1_12_2
+	public void onGuiClosed()
+	#else
 	public void onClose()
+	#endif
 	{
 		ConfigHandler.INSTANCE.configFileHandler.saveToFile();
+		#if MC_VER <= MC_1_12_2
+		// Handled by button to avoid recursive loop
+		#else
 		DhScreenUtil.setScreen(this.parent);
-		
+		#endif
 		ClassicConfigGUI.CONFIG_CORE_INTERFACE.onScreenChangeListenerList.forEach((listener) -> listener.run());
 	}
 	
+	//endregion
 	
 }

common/src/main/java/com/seibel/distanthorizons/common/wrappers/gui/updater/UpdateModScreen.java

@@ -188,7 +188,7 @@ public class UpdateModScreen extends DhScreen
 				MakeBtn(Translatable(ModInfo.ID + ".updater.update"), this.width / 2 - 75, this.height / 2 + 8, 150, 20, (btn) -> {
 					SelfUpdater.updateMod();
 					#if MC_VER <= MC_1_12_2
-					Objects.requireNonNull(this.mc).displayGuiScreen(this.parent);
+					DhScreenUtil.setScreen(this.parent);
 					#else
 					this.onClose();
 					#endif
@@ -199,7 +199,7 @@ public class UpdateModScreen extends DhScreen
 					Config.Client.Advanced.AutoUpdater.enableSilentUpdates.set(true);
 					SelfUpdater.updateMod();
 					#if MC_VER <= MC_1_12_2
-					Objects.requireNonNull(this.mc).displayGuiScreen(this.parent);
+					DhScreenUtil.setScreen(this.parent);
 					#else
 					this.onClose();
 					#endif
@@ -208,7 +208,7 @@ public class UpdateModScreen extends DhScreen
 		this.addBtn( // Later (not now)
 				MakeBtn(Translatable(ModInfo.ID + ".updater.later"), this.width / 2 + 2, this.height / 2 + 70, 100, 20, (btn) -> {
 					#if MC_VER <= MC_1_12_2
-					Objects.requireNonNull(this.mc).displayGuiScreen(this.parent);
+					DhScreenUtil.setScreen(this.parent);
 					#else
 					this.onClose();
 					#endif
@@ -218,7 +218,7 @@ public class UpdateModScreen extends DhScreen
 				MakeBtn(Translatable(ModInfo.ID + ".updater.never"), this.width / 2 - 102, this.height / 2 + 70, 100, 20, (btn) -> {
 					Config.Client.Advanced.AutoUpdater.enableAutoUpdater.set(false);
 					#if MC_VER <= MC_1_12_2
-					Objects.requireNonNull(this.mc).displayGuiScreen(this.parent);
+					DhScreenUtil.setScreen(this.parent);
 					#else
 					this.onClose();
 					#endif

common/src/main/java/com/seibel/distanthorizons/common/wrappers/minecraft/AbstractMinecraftSharedWrapper.java

@@ -8,8 +8,6 @@ import org.jetbrains.annotations.Nullable;
 import net.minecraft.resources.ResourceKey;
 import net.minecraft.server.level.ServerLevel;
 import net.minecraft.world.level.Level;
-#else
-import net.minecraft.world.WorldServer;
 #endif
 
 #if  MC_VER <= MC_1_12_2
@@ -29,13 +27,16 @@ public abstract class AbstractMinecraftSharedWrapper implements IMinecraftShared
 {
 	
 	@Nullable
+	#if MC_VER <= MC_1_12_2
+	protected Integer deserializeDimensionResourceKey(String dimensionResourceLocation)
+	#else
 	protected ResourceKey<Level> deserializeDimensionResourceKey(String dimensionResourceLocation)
+	#endif
 	{
 		#if  MC_VER <= MC_1_12_2
-		int dimensionID;
 		try
 		{
-			dimensionID = Integer.parseInt(dimensionResourceLocation.substring(dimensionResourceLocation.indexOf(":")+1));
+			return Integer.parseInt(dimensionResourceLocation.substring(dimensionResourceLocation.indexOf(":")+1));
 		}
 		catch (NumberFormatException ignored)
 		{
@@ -57,9 +58,9 @@ public abstract class AbstractMinecraftSharedWrapper implements IMinecraftShared
 			#else
 			ResourceKey<Level> dimensionKey = ResourceKey.create(Registry.DIMENSION_REGISTRY, dimResourceLocation);
 			#endif
-		#endif
 			
 		return dimensionKey;
+		#endif
 	}
 	
 }

common/src/main/java/com/seibel/distanthorizons/common/wrappers/minecraft/MinecraftClientWrapper.java

@@ -648,11 +648,16 @@ public class MinecraftClientWrapper extends AbstractMinecraftSharedWrapper imple
 			return null;
 		}
 		
-		ResourceKey<Level> dimensionKey = this.deserializeDimensionResourceKey(dimensionResourceLocation);
 		
 		#if  MC_VER <= MC_1_12_2
+		Integer dimensionKey = this.deserializeDimensionResourceKey(dimensionResourceLocation);
+		if (dimensionKey == null || MINECRAFT.getIntegratedServer() == null)
+		{
+			return null;
+		}
 		WorldServer mcLevel = MINECRAFT.getIntegratedServer().getWorld(dimensionKey);
 		#else
+		ResourceKey<Level> dimensionKey = this.deserializeDimensionResourceKey(dimensionResourceLocation);
 		ServerLevel mcLevel = MINECRAFT.getSingleplayerServer().getLevel(dimensionKey);
 		#endif
 		return ServerLevelWrapper.getWrapper(mcLevel);

common/src/main/java/com/seibel/distanthorizons/common/wrappers/minecraft/MinecraftRenderWrapper.java

@@ -28,8 +28,8 @@ import org.jetbrains.annotations.Nullable;
 #if MC_VER > MC_1_12_2
 import com.mojang.blaze3d.pipeline.RenderTarget;
 import com.mojang.blaze3d.platform.NativeImage;
-#endif
 import com.mojang.blaze3d.systems.RenderSystem;
+#endif
 import com.seibel.distanthorizons.api.enums.config.EDhApiLodShading;
 import com.seibel.distanthorizons.common.wrappers.McObjectConverter;
 import com.seibel.distanthorizons.common.wrappers.misc.LightMapWrapper;
@@ -236,8 +236,9 @@ public class MinecraftRenderWrapper implements IMinecraftRenderWrapper
 		
 		#if MC_VER <= MC_1_12_2
 		RenderManager rm = MC.getRenderManager();
-		return new Vec3d(rm.viewerPosX, rm.viewerPosY, rm.viewerPosZ);
+		return new DhVec3d(rm.viewerPosX, rm.viewerPosY, rm.viewerPosZ);
-		#elif MC_VER <= MC_26_1_2
+		#else
+		#if MC_VER <= MC_26_1_2
 		Camera camera = MC.gameRenderer.getMainCamera();
 		#else
 		Camera camera = MC.gameRenderer.mainCamera();
@@ -249,6 +250,7 @@ public class MinecraftRenderWrapper implements IMinecraftRenderWrapper
 		Vec3 projectedView = camera.position();
 		#endif
 		return new DhVec3d(projectedView.x, projectedView.y, projectedView.z);
+		#endif
 	}
 	
 	@Override

common/src/main/java/com/seibel/distanthorizons/common/wrappers/minecraft/MinecraftServerWrapper.java

@@ -95,11 +95,15 @@ public class MinecraftServerWrapper extends AbstractMinecraftSharedWrapper
 			throw new IllegalStateException("Trying to get the server mcLevel before dedicated server completed initialization!");
 		}
 		
-		ResourceKey<Level> dimensionKey = this.deserializeDimensionResourceKey(dimensionResourceLocation);
-		
 		#if MC_VER <= MC_1_12_2
+		Integer dimensionKey = this.deserializeDimensionResourceKey(dimensionResourceLocation);
+		if (dimensionKey == null)
+		{
+			return null;
+		}
 		WorldServer mcLevel = dedicatedServer.getWorld(dimensionKey);
 		#else
+		ResourceKey<Level> dimensionKey = this.deserializeDimensionResourceKey(dimensionResourceLocation);
 		ServerLevel mcLevel = dedicatedServer.getLevel(dimensionKey);
 		#endif
 		return ServerLevelWrapper.getWrapper(mcLevel);

common/src/main/java/com/seibel/distanthorizons/common/wrappers/misc/ServerPlayerWrapper.java

@@ -129,7 +129,7 @@ public class ServerPlayerWrapper implements IServerPlayerWrapper
 	{
 		#if MC_VER <= MC_1_12_2
 		BlockPos position = this.getServerPlayer().getPosition();
-		return new Vec3d(position.getX(), position.getY(), position.getZ());
+		return new DhVec3d(position.getX(), position.getY(), position.getZ());
 		#else
 		Vec3 position = this.getServerPlayer().position();
 		return new DhVec3d(position.x, position.y, position.z);

common/src/main/java/com/seibel/distanthorizons/common/wrappers/worldGeneration/BatchGenerationEnvironment.java

@@ -56,7 +56,6 @@ import java.util.concurrent.*;
 import java.util.function.Consumer;
 
 import com.seibel.distanthorizons.coreapi.ModInfo;
-import net.minecraft.world.level.levelgen.Heightmap;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
@@ -78,6 +77,7 @@ import net.minecraft.world.level.chunk.*;
 import net.minecraft.world.level.levelgen.DebugLevelSource;
 import net.minecraft.world.level.levelgen.FlatLevelSource;
 import net.minecraft.world.level.levelgen.NoiseBasedChunkGenerator;
+import net.minecraft.world.level.levelgen.Heightmap;
 #endif