/*
 * Decompiled with CFR 0.152.
 * 
 * Could not load the following classes:
 *  org.jspecify.annotations.Nullable
 */
package net.minecraft.client.renderer.chunk;

import net.minecraft.client.renderer.chunk.SectionCopy;
import net.minecraft.core.BlockPos;
import net.minecraft.core.Direction;
import net.minecraft.core.SectionPos;
import net.minecraft.world.level.BlockAndTintGetter;
import net.minecraft.world.level.ColorResolver;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.entity.BlockEntity;
import net.minecraft.world.level.block.state.BlockState;
import net.minecraft.world.level.lighting.LevelLightEngine;
import net.minecraft.world.level.material.FluidState;
import org.jspecify.annotations.Nullable;

public class RenderSectionRegion
implements BlockAndTintGetter {
    public static final int RADIUS = 1;
    public static final int SIZE = 3;
    private final int minSectionX;
    private final int minSectionY;
    private final int minSectionZ;
    private final SectionCopy[] sections;
    private final Level level;

    RenderSectionRegion(Level level, int minSectionX, int minSectionY, int minSectionZ, SectionCopy[] sections) {
        this.level = level;
        this.minSectionX = minSectionX;
        this.minSectionY = minSectionY;
        this.minSectionZ = minSectionZ;
        this.sections = sections;
    }

    @Override
    public BlockState getBlockState(BlockPos pos) {
        return this.getSection(SectionPos.blockToSectionCoord(pos.getX()), SectionPos.blockToSectionCoord(pos.getY()), SectionPos.blockToSectionCoord(pos.getZ())).getBlockState(pos);
    }

    @Override
    public FluidState getFluidState(BlockPos pos) {
        return this.getSection(SectionPos.blockToSectionCoord(pos.getX()), SectionPos.blockToSectionCoord(pos.getY()), SectionPos.blockToSectionCoord(pos.getZ())).getBlockState(pos).getFluidState();
    }

    @Override
    public float getShade(Direction direction, boolean shade) {
        return this.level.getShade(direction, shade);
    }

    @Override
    public LevelLightEngine getLightEngine() {
        return this.level.getLightEngine();
    }

    @Override
    public @Nullable BlockEntity getBlockEntity(BlockPos pos) {
        return this.getSection(SectionPos.blockToSectionCoord(pos.getX()), SectionPos.blockToSectionCoord(pos.getY()), SectionPos.blockToSectionCoord(pos.getZ())).getBlockEntity(pos);
    }

    private SectionCopy getSection(int sectionX, int sectionY, int sectionZ) {
        return this.sections[RenderSectionRegion.index(this.minSectionX, this.minSectionY, this.minSectionZ, sectionX, sectionY, sectionZ)];
    }

    @Override
    public int getBlockTint(BlockPos pos, ColorResolver resolver) {
        return this.level.getBlockTint(pos, resolver);
    }

    @Override
    public int getMinY() {
        return this.level.getMinY();
    }

    @Override
    public int getHeight() {
        return this.level.getHeight();
    }

    public static int index(int minSectionX, int minSectionY, int minSectionZ, int sectionX, int sectionY, int sectionZ) {
        return sectionX - minSectionX + (sectionY - minSectionY) * 3 + (sectionZ - minSectionZ) * 3 * 3;
    }
}