wisplite/distant-horizons-core-sharded
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Fix Iris using the wrong far clip plane

Browse Source 
https://github.com/IrisShaders/Iris/issues/2534
This commit is contained in:
James Seibel
2026-03-24 07:16:31 -05:00
parent 94535a213e
commit 6aad156a32
1 changed files with 33 additions and 6 deletions
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core/src/main/java/com/seibel/distanthorizons/core/util/RenderUtil.java
+29 -2
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@@ -19,12 +19,17 @@
package com.seibel.distanthorizons.core.util;
import com.seibel.distanthorizons.api.DhApi;
import com.seibel.distanthorizons.api.objects.math.DhApiMat4f;
import com.seibel.distanthorizons.core.api.internal.ClientApi;
import com.seibel.distanthorizons.core.config.Config;
import com.seibel.distanthorizons.core.dependencyInjection.ModAccessorInjector;
import com.seibel.distanthorizons.core.dependencyInjection.SingletonInjector;
import com.seibel.distanthorizons.core.logging.DhLogger;
import com.seibel.distanthorizons.core.logging.DhLoggerBuilder;
import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftClientWrapper;
import com.seibel.distanthorizons.core.wrapperInterfaces.minecraft.IMinecraftRenderWrapper;
import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IIrisAccessor;
import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
import com.seibel.distanthorizons.coreapi.util.MathUtil;
import com.seibel.distanthorizons.core.util.math.Mat4f;
@@ -35,8 +40,11 @@ import com.seibel.distanthorizons.core.util.math.Mat4f;
*/
public class RenderUtil
{
private static final DhLogger LOGGER = new DhLoggerBuilder().maxCountPerSecond(1).build();
private static final IMinecraftClientWrapper MC = SingletonInjector.INSTANCE.get(IMinecraftClientWrapper.class);
private static final IMinecraftRenderWrapper MC_RENDER = SingletonInjector.INSTANCE.get(IMinecraftRenderWrapper.class);
private static final IIrisAccessor IRIS_ACCESSOR = ModAccessorInjector.INSTANCE.get(IIrisAccessor.class);
/**
* all speeds are measured in blocks per second
@@ -79,7 +87,7 @@ public class RenderUtil
nearClipDist = Math.min(nearClipDist, 7.5f);
}
float farClipDist = (float) RenderUtil.getFarClipPlaneDistanceInBlocks();
float farClipDist = RenderUtil.getFarClipPlaneDistanceInBlocks();
// Create a copy of the current matrix, so it won't be modified.
Mat4f lodProj = new Mat4f(mcProjMat);
@@ -245,13 +253,32 @@ public class RenderUtil
//region
public static int getFarClipPlaneDistanceInBlocks()
public static float getFarClipPlaneDistanceInBlocks()
{
if (IRIS_ACCESSOR != null)
{
// Iris doesn't use the far clip plane DH generates, instead
// they use a manually generated one, which causes problems.
// This is a hack so DH's far clip plane matches up with what Iris thinks it is,
// fixing projection/depth mapping.
// https://github.com/IrisShaders/Iris/issues/2534
int lodChunkDist = DhApi.Delayed.configs.graphics().chunkRenderDistance().getValue();
int lodBlockDist = lodChunkDist * 16; /* 16 = chunk width in blocks */
// sqrt 2 to prevent the corners from being cut off
return (float) ((lodBlockDist + 512 /* 512 = region width in blocks */) * Math.sqrt(2));
}
else
{
// Current DH logic
// uses a farther depth to help when far above the world
int lodChunkDist = Config.Client.Advanced.Graphics.Quality.lodChunkRenderDistanceRadius.get();
int lodBlockDist = lodChunkDist * LodUtil.CHUNK_WIDTH;
// * 2 to prevent clipping when high above the world
return (lodBlockDist + LodUtil.REGION_WIDTH) * 2;
}
}
//endregion