Add IDhApiCullingFrustum

This commit is contained in:
James Seibel
2024-02-06 21:39:42 -06:00
parent 9392decd35
commit 1859d0ea96
4 changed files with 115 additions and 25 deletions
@@ -0,0 +1,58 @@
/*
* This file is part of the Distant Horizons mod
* licensed under the GNU LGPL v3 License.
*
* Copyright (C) 2020-2023 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.interfaces.override.rendering;
import com.seibel.distanthorizons.api.enums.EDhApiDetailLevel;
import com.seibel.distanthorizons.api.interfaces.override.IDhApiOverrideable;
import com.seibel.distanthorizons.coreapi.util.math.Mat4f;
/**
* Used to determine if a LOD should be rendered or is outside the
* user's field of view.
*
* @author James Seibel
* @version 2024-2-6
* @since API 1.1.0
*/
public interface IDhApiCullingFrustum extends IDhApiOverrideable
{
/**
* Called before a render pass is done.
*
* @param worldMinBlockY the lowest block position this level allows.
* @param worldMaxBlockY the highest block position this level allows.
* @param worldViewProjection the projection matrix used in this render pass.
*/
void update(int worldMinBlockY, int worldMaxBlockY, Mat4f worldViewProjection);
/**
* returns true if the LOD bounds intersect this frustum
*
* @param lodBlockPosMinX this LOD's starting block X position closest to negative infinity
* @param lodBlockPosMinZ this LOD's starting block Z position closest to negative infinity
* @param lodBlockWidth this LOD's width in blocks
* @param lodDetailLevel this LOD's detail level
*
* @see EDhApiDetailLevel
*/
boolean intersects(int lodBlockPosMinX, int lodBlockPosMinZ, int lodBlockWidth, int lodDetailLevel);
}
@@ -20,6 +20,7 @@
package com.seibel.distanthorizons.coreapi.util.math;
import org.joml.Matrix4f;
import org.joml.Matrix4fc;
import java.nio.FloatBuffer;
@@ -75,8 +76,8 @@ public class Mat4f
this.m33 = sourceMatrix.m33;
}
public Mat4f(Matrix4f sourceMatrix) { this(convertJomlMatrixToArray(sourceMatrix)); }
private static float[] convertJomlMatrixToArray(Matrix4f sourceMatrix)
public Mat4f(Matrix4fc sourceMatrix) { this(convertJomlMatrixToArray(sourceMatrix)); }
private static float[] convertJomlMatrixToArray(Matrix4fc sourceMatrix)
{
FloatBuffer buffer = FloatBuffer.allocate(16);
@@ -216,6 +217,17 @@ public class Mat4f
floatBuffer.put(bufferIndex(3, 3), this.m33);
}
public Matrix4f createJomlMatrix()
{
return new Matrix4f(
this.m00, this.m10, this.m20, this.m30,
this.m01, this.m11, this.m21, this.m31,
this.m02, this.m12, this.m22, this.m32,
this.m03, this.m13, this.m23, this.m33
);
}
private static int bufferIndex(int xIndex, int zIndex)
{
return (zIndex * 4) + xIndex;
@@ -1,13 +1,15 @@
package com.seibel.distanthorizons.core.pos;
import org.jetbrains.annotations.NotNull;
import com.seibel.distanthorizons.api.interfaces.override.rendering.IDhApiCullingFrustum;
import com.seibel.distanthorizons.coreapi.interfaces.dependencyInjection.IOverrideInjector;
import com.seibel.distanthorizons.coreapi.util.math.Mat4f;
import org.joml.FrustumIntersection;
import org.joml.Matrix4f;
import org.joml.Matrix4fc;
import org.joml.Vector3f;
public class DhFrustumBounds
public class DhFrustumBounds implements IDhApiCullingFrustum
{
private final FrustumIntersection frustum;
private final Vector3f boundsMin = new Vector3f();
@@ -32,23 +34,24 @@ public class DhFrustumBounds
// methods //
//=========//
public void updateFrustum(Matrix4fc matWorldViewProjection)
@Override
public void update(int worldMinBlockY, int worldMaxBlockY, Mat4f dhWorldViewProjection)
{
this.frustum.set(matWorldViewProjection);
this.worldMinY = worldMinBlockY;
this.worldMaxY = worldMaxBlockY;
Matrix4fc matWorldViewProjectionInv = new Matrix4f(matWorldViewProjection).invert();
Matrix4f worldViewProjection = new Matrix4f(dhWorldViewProjection.createJomlMatrix());
this.frustum.set(worldViewProjection);
Matrix4fc matWorldViewProjectionInv = new Matrix4f(worldViewProjection).invert();
matWorldViewProjectionInv.frustumAabb(this.boundsMin, this.boundsMax);
}
/** returns true if the LOD bounds intersect the frustum **/
public boolean intersects(@NotNull DhLodPos lodBounds)
@Override
public boolean intersects(int lodBlockPosMinX, int lodBlockPosMinZ, int lodBlockWidth, int lodDetailLevel)
{
int lodPosX = lodBounds.getX().toBlockWidth();
int lodPosZ = lodBounds.getZ().toBlockWidth();
int lodSize = lodBounds.getBlockWidth();
Vector3f lodMin = new Vector3f(lodPosX, this.worldMinY, lodPosZ);
Vector3f lodMax = new Vector3f(lodPosX + lodSize, this.worldMaxY, lodPosZ + lodSize);
Vector3f lodMin = new Vector3f(lodBlockPosMinX, this.worldMinY, lodBlockPosMinZ);
Vector3f lodMax = new Vector3f(lodBlockPosMinX + lodBlockWidth, this.worldMaxY, lodBlockPosMinZ + lodBlockWidth);
if (lodMax.x < this.boundsMin.x || lodMin.x > this.boundsMax.x) return false;
if (lodMax.z < this.boundsMin.z || lodMin.z > this.boundsMax.z) return false;
@@ -57,4 +60,13 @@ public class DhFrustumBounds
return this.frustum.testAab(lodMin, lodMax);
}
//=====================//
// overridable methods //
//=====================//
@Override
public int getPriority() { return IOverrideInjector.CORE_PRIORITY; }
}
@@ -19,6 +19,8 @@
package com.seibel.distanthorizons.core.render;
import com.seibel.distanthorizons.api.DhApi;
import com.seibel.distanthorizons.api.interfaces.override.rendering.IDhApiCullingFrustum;
import com.seibel.distanthorizons.api.methods.events.sharedParameterObjects.DhApiRenderParam;
import com.seibel.distanthorizons.core.config.Config;
import com.seibel.distanthorizons.core.dependencyInjection.ModAccessorInjector;
@@ -35,6 +37,8 @@ import com.seibel.distanthorizons.core.util.objects.SortedArraySet;
import com.seibel.distanthorizons.core.util.objects.quadTree.QuadNode;
import com.seibel.distanthorizons.core.wrapperInterfaces.modAccessor.IIrisAccessor;
import com.seibel.distanthorizons.core.wrapperInterfaces.world.IClientLevelWrapper;
import com.seibel.distanthorizons.coreapi.interfaces.dependencyInjection.IOverrideInjector;
import com.seibel.distanthorizons.coreapi.util.math.Mat4f;
import com.seibel.distanthorizons.coreapi.util.math.Vec3f;
import org.apache.logging.log4j.Logger;
import org.joml.Matrix4fc;
@@ -64,8 +68,6 @@ public class RenderBufferHandler implements AutoCloseable
public F3Screen.MultiDynamicMessage f3Message;
private final DhFrustumBounds frustumBounds;
private int visibleBufferCount;
private int culledBufferCount;
private int shadowVisibleBufferCount;
@@ -82,7 +84,12 @@ public class RenderBufferHandler implements AutoCloseable
this.lodQuadTree = lodQuadTree;
this.culledBufferCount = 0;
this.frustumBounds = new DhFrustumBounds();
IDhApiCullingFrustum coreFrustum = DhApi.overrides.get(IDhApiCullingFrustum.class, IOverrideInjector.CORE_PRIORITY);
if (coreFrustum == null)
{
DhApi.overrides.bind(IDhApiCullingFrustum.class, new DhFrustumBounds());
}
this.f3Message = new F3Screen.MultiDynamicMessage(
() ->
@@ -231,15 +238,13 @@ public class RenderBufferHandler implements AutoCloseable
// update the frustum if necessary
boolean enableFrustumCulling = !Config.Client.Advanced.Graphics.AdvancedGraphics.disableFrustumCulling.get();
IDhApiCullingFrustum frustum = DhApi.overrides.get(IDhApiCullingFrustum.class, IOverrideInjector.CORE_PRIORITY);
if (enableFrustumCulling)
{
float worldMinY = clientLevelWrapper.getMinHeight();
float worldHeight = clientLevelWrapper.getHeight();
int worldMinY = clientLevelWrapper.getMinHeight();
int worldHeight = clientLevelWrapper.getHeight();
this.frustumBounds.worldMinY = worldMinY;
this.frustumBounds.worldMaxY = worldMinY + worldHeight;
this.frustumBounds.updateFrustum(matWorldViewProjection);
frustum.update(worldMinY, worldMinY + worldHeight, new Mat4f(matWorldViewProjection));
}
@@ -276,7 +281,10 @@ public class RenderBufferHandler implements AutoCloseable
if (enableFrustumCulling)
{
DhLodPos lodBounds = renderSection.pos.getSectionBBoxPos();
if (!this.frustumBounds.intersects(lodBounds))
int blockMinX = lodBounds.getX().toBlockWidth();
int blockMinZ = lodBounds.getZ().toBlockWidth();
int lodBlockWidth = lodBounds.getBlockWidth();
if (!frustum.intersects(blockMinX, blockMinZ, lodBlockWidth, lodBounds.detailLevel))
{
if (isShadowPass)
{