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package com.anthonyhilyard.iceberg.renderer;
import java.util.Set;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.joml.Vector3f;
import com.anthonyhilyard.iceberg.Loader;
import com.google.common.collect.Sets;
import com.mojang.blaze3d.vertex.VertexConsumer;
import net.fabricmc.loader.api.FabricLoader;
import net.fabricmc.loader.api.metadata.version.VersionPredicate;
import net.minecraft.client.renderer.MultiBufferSource;
import net.minecraft.client.renderer.RenderType;
public class VertexCollector implements MultiBufferSource
{
protected final Set<Vector3f> vertices = Sets.newHashSet();
protected final Vector3f currentVertex = new Vector3f();
protected int currentAlpha = 255;
protected int defaultAlpha = 255;
private static Boolean useSodiumVersion = null;
protected VertexCollector()
{
super();
}
public static VertexCollector create()
{
if (useSodiumVersion == null)
{
try
{
// If Sodium 0.5.0+ is installed, use the Sodium implementation.
useSodiumVersion = FabricLoader.getInstance().isModLoaded("sodium") && VersionPredicate.parse(">=0.5.0").test(FabricLoader.getInstance().getModContainer("sodium").get().getMetadata().getVersion());
}
catch (Exception e)
{
Loader.LOGGER.error(ExceptionUtils.getStackTrace(e));
}
}
if (useSodiumVersion != null && useSodiumVersion)
{
// Instantiate the Sodium implementation using reflection.
try
{
return (VertexCollector) Class.forName("com.anthonyhilyard.iceberg.renderer.VertexCollectorSodium").getDeclaredConstructor().newInstance();
}
catch (Exception e)
{
Loader.LOGGER.error(ExceptionUtils.getStackTrace(e));
}
}
return new VertexCollector();
}
@Override
public VertexConsumer getBuffer(RenderType renderType)
{
return new VertexConsumer()
{
@Override
public VertexConsumer vertex(double x, double y, double z)
{
currentVertex.set((float) x, (float) y, (float) z);
currentAlpha = defaultAlpha;
return this;
}
@Override
public VertexConsumer color(int r, int g, int b, int a)
{
currentAlpha = a;
return this;
}
@Override
public VertexConsumer uv(float u, float v) { return this; }
@Override
public VertexConsumer overlayCoords(int x, int y) { return this; }
@Override
public VertexConsumer uv2(int u, int v) { return this; }
@Override
public VertexConsumer normal(float x, float y, float z) { return this; }
@Override
public void endVertex()
{
if (currentAlpha >= 25)
{
vertices.add(new Vector3f(currentVertex));
}
}
@Override
public void defaultColor(int r, int g, int b, int a)
{
defaultAlpha = a;
}
@Override
public void unsetDefaultColor()
{
defaultAlpha = 255;
}
};
}
public Set<Vector3f> getVertices()
{
return vertices;
}
}
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