package net.minecraft.client.renderer.blockentity;

import com.mojang.blaze3d.vertex.PoseStack;
import com.mojang.blaze3d.vertex.VertexConsumer;
import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.renderer.MultiBufferSource;
import net.minecraft.client.renderer.RenderType;
import net.minecraft.client.renderer.blockentity.BlockEntityRendererProvider.Context;
import net.minecraft.core.Direction;
import net.minecraft.resources.ResourceLocation;
import net.minecraft.world.level.block.entity.TheEndPortalBlockEntity;
import net.minecraft.world.phys.Vec3;
import org.joml.Matrix4f;

@Environment(EnvType.CLIENT)
public class TheEndPortalRenderer<T extends TheEndPortalBlockEntity> implements BlockEntityRenderer<T> {
	public static final ResourceLocation END_SKY_LOCATION = ResourceLocation.withDefaultNamespace("textures/environment/end_sky.png");
	public static final ResourceLocation END_PORTAL_LOCATION = ResourceLocation.withDefaultNamespace("textures/entity/end_portal.png");

	public TheEndPortalRenderer(Context context) {
	}

	public void render(T theEndPortalBlockEntity, float f, PoseStack poseStack, MultiBufferSource multiBufferSource, int i, int j, Vec3 vec3) {
		Matrix4f matrix4f = poseStack.last().pose();
		this.renderCube(theEndPortalBlockEntity, matrix4f, multiBufferSource.getBuffer(this.renderType()));
	}

	private void renderCube(T blockEntity, Matrix4f pose, VertexConsumer consumer) {
		float f = this.getOffsetDown();
		float g = this.getOffsetUp();
		this.renderFace(blockEntity, pose, consumer, 0.0F, 1.0F, 0.0F, 1.0F, 1.0F, 1.0F, 1.0F, 1.0F, Direction.SOUTH);
		this.renderFace(blockEntity, pose, consumer, 0.0F, 1.0F, 1.0F, 0.0F, 0.0F, 0.0F, 0.0F, 0.0F, Direction.NORTH);
		this.renderFace(blockEntity, pose, consumer, 1.0F, 1.0F, 1.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.0F, Direction.EAST);
		this.renderFace(blockEntity, pose, consumer, 0.0F, 0.0F, 0.0F, 1.0F, 0.0F, 1.0F, 1.0F, 0.0F, Direction.WEST);
		this.renderFace(blockEntity, pose, consumer, 0.0F, 1.0F, f, f, 0.0F, 0.0F, 1.0F, 1.0F, Direction.DOWN);
		this.renderFace(blockEntity, pose, consumer, 0.0F, 1.0F, g, g, 1.0F, 1.0F, 0.0F, 0.0F, Direction.UP);
	}

	private void renderFace(
		T blockEntity, Matrix4f pose, VertexConsumer consumer, float x0, float x1, float y0, float y1, float z0, float z1, float z2, float z3, Direction direction
	) {
		if (blockEntity.shouldRenderFace(direction)) {
			consumer.addVertex(pose, x0, y0, z0);
			consumer.addVertex(pose, x1, y0, z1);
			consumer.addVertex(pose, x1, y1, z2);
			consumer.addVertex(pose, x0, y1, z3);
		}
	}

	protected float getOffsetUp() {
		return 0.75F;
	}

	protected float getOffsetDown() {
		return 0.375F;
	}

	protected RenderType renderType() {
		return RenderType.endPortal();
	}
}