wisplite/distant-horizons-sharded
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First try at using the stencil buffer to render behind the world

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This attempt will partially render LODs on top of close up mountains and
other tall objects.
This commit is contained in:
James Seibel
2021-02-03 09:58:34 -06:00
parent 878015bb7c
commit 3da5ad145c
1 changed files with 51 additions and 2 deletions
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src/main/java/backsun/lod/proxy/ClientProxy.java
+51 -2
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@@ -3,6 +3,8 @@ package backsun.lod.proxy;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import org.lwjgl.opengl.GL11;
import backsun.lod.objects.LodChunk;
import backsun.lod.objects.LodDimension;
import backsun.lod.objects.LodRegion;
@@ -18,6 +20,8 @@ import net.minecraftforge.client.event.RenderWorldLastEvent;
import net.minecraftforge.event.terraingen.PopulateChunkEvent;
import net.minecraftforge.event.world.ChunkEvent;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.common.gameevent.TickEvent.Phase;
import net.minecraftforge.fml.common.gameevent.TickEvent.RenderTickEvent;
/**
* This is used by the client.
@@ -46,7 +50,44 @@ public class ClientProxy extends CommonProxy
//==============//
@SubscribeEvent
public void renderLods(RenderWorldLastEvent event)
public void renderTick(RenderTickEvent event)
{
if (event.phase == Phase.START)
{
renderStencil();
}
}
public void renderStencil()
{
GL11.glClearStencil(0);
GL11.glStencilMask(0xFF); //255
GL11.glClear(GL11.GL_STENCIL_BUFFER_BIT);
GL11.glEnable(GL11.GL_STENCIL_TEST);
GL11.glStencilFunc(GL11.GL_ALWAYS, 0, 0); // the 2 numbers here don't matter since GL_ALWAYS is being used
GL11.glStencilMask(0b11111111);
GL11.glStencilOp(GL11.GL_KEEP, // this doesn't mater since GL_ALWAYS is being used
GL11.GL_INCR, // stencil test passes
GL11.GL_INCR); // stencil + depth pass
//GL11.glStencilOp(GL11.GL_INCR, GL11.GL_INCR, GL11.GL_INCR);
}
@SubscribeEvent
public void renderWorldLast(RenderWorldLastEvent event)
{
GL11.glStencilOp(GL11.GL_KEEP, GL11.GL_KEEP, GL11.GL_KEEP);
GL11.glStencilFunc(GL11.GL_GEQUAL, 1, 0xFF);
// GEQUAL 1, once EQUAL 1 doens't render on mountains
renderLods(event.getPartialTicks());
GL11.glDisable(GL11.GL_STENCIL_TEST);
}
public void renderLods(float partialTicks)
{
int newWidth = Math.max(3, (Minecraft.getMinecraft().gameSettings.renderDistanceChunks * LodRenderer.VIEW_DISTANCE_MULTIPLIER) / LodRegion.SIZE);
if (lodWorld != null && regionWidth != newWidth)
@@ -60,6 +101,8 @@ public class ClientProxy extends CommonProxy
}
Minecraft mc = Minecraft.getMinecraft();
if (mc.player == null)
return;
int dimId = mc.player.dimension;
LodDimension lodDim = lodWorld.getLodDimension(dimId);
@@ -90,11 +133,17 @@ public class ClientProxy extends CommonProxy
}
else
{
renderer.drawLODs(Minecraft.getMinecraft(), event.getPartialTicks());
renderer.drawLODs(Minecraft.getMinecraft(), partialTicks);
}
}
//===============//
// update events //
//===============//