fix no render fog

Author: beanbag44

src/main/java/com/lambda/mixin/render/FogRendererMixin.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2025 Lambda
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.lambda.mixin.render;
+
+import com.lambda.module.modules.render.NoRender;
+import com.mojang.blaze3d.buffers.GpuBuffer;
+import com.mojang.blaze3d.buffers.GpuBufferSlice;
+import net.minecraft.client.render.fog.FogRenderer;
+import org.spongepowered.asm.mixin.Final;
+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.CallbackInfoReturnable;
+
+import static net.minecraft.client.render.fog.FogRenderer.FOG_UBO_SIZE;
+
+@Mixin(FogRenderer.class)
+public class FogRendererMixin {
+    @Final
+    @Shadow
+    private GpuBuffer emptyBuffer;
+
+    @Inject(method = "getFogBuffer", at = @At("HEAD"), cancellable = true)
+    private void modify(FogRenderer.FogType fogType, CallbackInfoReturnable<GpuBufferSlice> cir) {
+        if (fogType == FogRenderer.FogType.WORLD && NoRender.INSTANCE.isEnabled() && NoRender.getNoTerrainFog())
+            cir.setReturnValue(emptyBuffer.slice(0L, FOG_UBO_SIZE));
+    }
+}

src/main/java/com/lambda/mixin/render/SodiumWorldRendererMixin.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 2025 Lambda
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.lambda.mixin.render;
+
+import com.lambda.module.modules.render.NoRender;
+import com.llamalad7.mixinextras.injector.ModifyExpressionValue;
+import net.caffeinemc.mods.sodium.client.render.SodiumWorldRenderer;
+import net.caffeinemc.mods.sodium.client.util.FogParameters;
+import org.objectweb.asm.Opcodes;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+
+@Mixin(SodiumWorldRenderer.class)
+public class SodiumWorldRendererMixin {
+    @Unique
+    private final FogParameters NO_FOG = new FogParameters(0f, 0f, 0f, 0f, 0f, 0f, 0f, 0f);
+
+    @ModifyExpressionValue(method = "drawChunkLayer(Lnet/minecraft/client/render/BlockRenderLayerGroup;Lnet/caffeinemc/mods/sodium/client/render/chunk/ChunkRenderMatrices;DDDLnet/minecraft/client/gl/GpuSampler;)V", at = @At(value = "FIELD", target = "Lnet/caffeinemc/mods/sodium/client/render/SodiumWorldRenderer;lastFogParameters:Lnet/caffeinemc/mods/sodium/client/util/FogParameters;", opcode = Opcodes.GETFIELD))
+    private FogParameters modifyFogParameters(FogParameters original) {
+        if (NoRender.INSTANCE.isEnabled() && NoRender.getNoTerrainFog()) return NO_FOG;
+        return original;
+    }
+}

src/main/resources/lambda.mixins.common.json

@@ -49,6 +49,7 @@
     "render.ElytraFeatureRendererMixin",
     "render.EntityRendererMixin",
     "render.FluidRendererMixin",
+    "render.FogRendererMixin",
     "render.GameRendererMixin",
     "render.GlStateManagerMixin",
     "render.HandledScreenMixin",
@@ -66,6 +67,7 @@
     "render.SodiumBlockRendererMixin",
     "render.SodiumFluidRendererImplMixin",
     "render.SodiumLightDataAccessMixin",
+    "render.SodiumWorldRendererMixin",
     "render.SplashOverlayMixin",
     "render.SplashOverlayMixin$LogoTextureMixin",
     "render.TooltipComponentMixin",