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Original file line number Diff line number Diff line change
Expand Up @@ -2,32 +2,27 @@

import dev.gegy.colored_lights.render.ColoredLightEntityRenderContext;
import net.minecraft.client.model.ModelPart;
import net.minecraft.client.render.VertexConsumer;
import net.minecraft.client.util.math.MatrixStack;
import net.minecraft.util.math.MathHelper;
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.Redirect;
import org.spongepowered.asm.mixin.injection.*;
import org.spongepowered.asm.mixin.injection.invoke.arg.Args;

@Mixin(ModelPart.class)
@Mixin(value = ModelPart.class, priority = 800)
public abstract class ModelPartMixin {
@Shadow
protected abstract void renderCuboids(MatrixStack.Entry entry, VertexConsumer writer, int light, int overlay, float red, float green, float blue, float alpha);

@Redirect(
method = "render(Lnet/minecraft/client/util/math/MatrixStack;Lnet/minecraft/client/render/VertexConsumer;IIFFFF)V",
at = @At(value = "INVOKE", target = "Lnet/minecraft/client/model/ModelPart;renderCuboids(Lnet/minecraft/client/util/math/MatrixStack$Entry;Lnet/minecraft/client/render/VertexConsumer;IIFFFF)V")
)
private void render(ModelPart part, MatrixStack.Entry entry, VertexConsumer writer, int light, int overlay, float red, float green, float blue, float alpha) {
var ctx = ColoredLightEntityRenderContext.get();
if (ctx != null) {
@ModifyArgs(method = "render(Lnet/minecraft/client/util/math/MatrixStack;Lnet/minecraft/client/render/VertexConsumer;IIFFFF)V",
at = @At(value = "INVOKE", target = "Lnet/minecraft/client/model/ModelPart;renderCuboids(Lnet/minecraft/client/util/math/MatrixStack$Entry;Lnet/minecraft/client/render/VertexConsumer;IIFFFF)V"))
private void modArgs(Args args){
ColoredLightEntityRenderContext ctx = ColoredLightEntityRenderContext.get();
if (ctx != null){
int light = args.<Integer>get(2);
float red = args.<Float>get(4);
float green = args.<Float>get(5);
float blue = args.<Float>get(6);
float factor = ctx.getLightColorFactor(light);
red *= MathHelper.lerp(factor, 1.0F, ctx.red);
green *= MathHelper.lerp(factor, 1.0F, ctx.green);
blue *= MathHelper.lerp(factor, 1.0F, ctx.blue);
args.set(4, red * MathHelper.lerp(factor, 1.0f, ctx.red));
args.set(5, green * MathHelper.lerp(factor, 1.0f, ctx.green));
args.set(6, blue * MathHelper.lerp(factor, 1.0f, ctx.blue));
}

this.renderCuboids(entry, writer, light, overlay, red, green, blue, alpha);
}
}