Made sky rendering work with the new fabric api.

gradle.properties

@@ -14,7 +14,7 @@ archives_base_name=better-end
 # currently not on the main fabric site, check on the maven: https://maven.fabricmc.net/net/fabricmc/fabric-api/fabric-api
 
 patchouli_version = 55-FABRIC-SNAPSHOT
-fabric_version = 0.41.3+1.17
+fabric_version = 0.42.1+1.17
 bclib_version = 0.5.2
 rei_version = 6.0.264-alpha
 canvas_version = 1.0.+

src/main/java/ru/betterend/client/BetterEndClient.java

@@ -2,14 +2,19 @@ package ru.betterend.client;
 
 import net.fabricmc.api.ClientModInitializer;
 import net.fabricmc.fabric.api.client.model.ModelLoadingRegistry;
+import net.fabricmc.fabric.api.client.rendering.v1.DimensionRenderingRegistry;
+
 import net.minecraft.ChatFormatting;
 import net.minecraft.network.chat.Style;
 import net.minecraft.network.chat.TextComponent;
 import net.minecraft.network.chat.TranslatableComponent;
 import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.level.Level;
+
 import ru.bclib.BCLib;
 import ru.bclib.util.TranslationHelper;
 import ru.betterend.BetterEnd;
+import ru.betterend.client.render.BetterEndSkyRenderer;
 import ru.betterend.events.ItemTooltipCallback;
 import ru.betterend.interfaces.MultiModelItem;
 import ru.betterend.item.CrystaliteArmor;
@@ -52,6 +57,12 @@ public class BetterEndClient implements ClientModInitializer {
 			}
 			return null;
 		});
+
+		BetterEndSkyRenderer skyRenderer = new BetterEndSkyRenderer();
+
+		if(ClientOptions.isCustomSky()) {
+			DimensionRenderingRegistry.registerSkyRenderer(Level.END, skyRenderer);
+		}
 	}
 	
 	public static void registerTooltips() {

src/main/java/ru/betterend/client/render/BetterEndSkyRenderer.java

@@ -1,4 +1,4 @@
-package ru.betterend.mixin.client;
+package ru.betterend.client.render;
 
 import com.mojang.blaze3d.platform.GlStateManager;
 import com.mojang.blaze3d.systems.RenderSystem;
@@ -30,11 +30,14 @@ import ru.bclib.util.BackgroundInfo;
 import ru.bclib.util.MHelper;
 import ru.betterend.BetterEnd;
 import ru.betterend.client.ClientOptions;
+import ru.betterend.mixin.client.LevelRendererAccessor;
 
 import java.util.Random;
 
-@Mixin(LevelRenderer.class)
-public class LevelRendererMixin {
+import net.fabricmc.fabric.api.client.rendering.v1.DimensionRenderingRegistry;
+import net.fabricmc.fabric.api.client.rendering.v1.WorldRenderContext;
+
+public class BetterEndSkyRenderer implements DimensionRenderingRegistry.SkyRenderer {
 	private static final ResourceLocation NEBULA_1 = BetterEnd.makeID("textures/sky/nebula_2.png");
 	private static final ResourceLocation NEBULA_2 = BetterEnd.makeID("textures/sky/nebula_3.png");
 	private static final ResourceLocation HORIZON = BetterEnd.makeID("textures/sky/nebula_1.png");
@@ -59,22 +62,11 @@ public class LevelRendererMixin {
 	private static float blind02;
 	private static float blind06;
 
-	@Shadow
-	@Final
-	private Minecraft minecraft;
+	private boolean initalized = false;
 
-	@Shadow
-	@Final
-	private TextureManager textureManager;
+	public void initalize() {
 
-	@Shadow
-	private ClientLevel level;
-	
-	@Shadow
-	private int ticks;
-	
-	@Inject(method = "<init>*", at = @At("TAIL"))
-	private void be_onInit(Minecraft client, RenderBuffers bufferBuilders, CallbackInfo info) {
+		if(!initalized) {
 			be_initStars();
 			Random random = new Random(131);
 			axis1 = new Vector3f(random.nextFloat(), random.nextFloat(), random.nextFloat());
@@ -85,14 +77,21 @@ public class LevelRendererMixin {
 			axis2.normalize();
 			axis3.normalize();
 			axis4.normalize();
+
+			this.initalized = true;
+		}
 	}
 
-	@Inject(method = "renderSky", at = @At("HEAD"), cancellable = true)
-	private void be_renderBetterEndSky(PoseStack matrices, Matrix4f matrix4f, float tickDelta, Runnable runnable, CallbackInfo info) {
-		if (ClientOptions.isCustomSky() && minecraft.level.effects().skyType() == DimensionSpecialEffects.SkyType.END) {
-			runnable.run();
+	@Override
+	public void render(WorldRenderContext context) {
+		initalize();
 
-			time = (ticks % 360000) * 0.000017453292F;
+		PoseStack matrices = context.matrixStack();
+
+		Matrix4f matrix4f = context.projectionMatrix();
+		float tickDelta = context.tickDelta();
+
+		time = (((LevelRendererAccessor) context.gameRenderer().getMinecraft().levelRenderer).getTick() + context.tickDelta() % 360000) * 0.000017453292F;
 			time2 = time * 2;
 			time3 = time * 3;
 			
@@ -213,8 +212,6 @@ public class LevelRendererMixin {
 			RenderSystem.defaultBlendFunc();
 			RenderSystem.disableBlend();
 
-			info.cancel();
-		}
 	}
 	
 	private void be_renderBuffer(PoseStack matrices, Matrix4f matrix4f, VertexBuffer buffer, VertexFormat format, float r, float g, float b, float a) {

src/main/java/ru/betterend/mixin/client/LevelRendererAccessor.java

@@ -0,0 +1,12 @@
+package ru.betterend.mixin.client;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.gen.Accessor;
+
+import net.minecraft.client.renderer.LevelRenderer;
+
+@Mixin(LevelRenderer.class)
+public interface LevelRendererAccessor {
+    @Accessor("ticks")
+    int getTick();
+}

src/main/resources/betterend.mixins.client.json

@@ -5,19 +5,21 @@
 	"compatibilityLevel": "JAVA_16",
 	"client": [
 		"AbstractSoundInstanceAccessor",
-		"HumanoidMobRendererMixin",
 		"ArmorStandRendererMixin",
-		"MinecraftClientMixin",
-        "PlayerRendererMixin",
-		"LevelRendererMixin",
-		"MusicTrackerMixin",
 		"BiomeColorsMixin",
-		"ModelLoaderMixin",
-        "LocalPlayerMixin",
 		"CapeLayerMixin",
-        "ItemStackMixin"
+		"HumanoidMobRendererMixin",
+		"ItemStackMixin",
+		"LocalPlayerMixin",
+		"MinecraftClientMixin",
+		"ModelLoaderMixin",
+		"MusicTrackerMixin",
+		"PlayerRendererMixin"
 	],
 	"injectors": {
 		"defaultRequire": 1
-	}
+	},
+	"mixins": [
+		"LevelRendererAccessor"
+	]
 }