/*
 * Decompiled with CFR 0.152.
 * 
 * Could not load the following classes:
 *  org.joml.Matrix3x2f
 *  org.joml.Matrix3x2fc
 *  org.jspecify.annotations.Nullable
 */
package net.minecraft.client.gui.render.state;

import net.minecraft.client.gui.navigation.ScreenRectangle;
import net.minecraft.client.gui.render.state.ScreenArea;
import net.minecraft.client.renderer.item.TrackingItemStackRenderState;
import net.minecraft.util.Mth;
import net.minecraft.world.phys.AABB;
import org.joml.Matrix3x2f;
import org.joml.Matrix3x2fc;
import org.jspecify.annotations.Nullable;

public final class GuiItemRenderState
implements ScreenArea {
    private final String name;
    private final Matrix3x2f pose;
    private final TrackingItemStackRenderState itemStackRenderState;
    private final int x;
    private final int y;
    private final @Nullable ScreenRectangle scissorArea;
    private final @Nullable ScreenRectangle oversizedItemBounds;
    private final @Nullable ScreenRectangle bounds;

    public GuiItemRenderState(String name, Matrix3x2f pose, TrackingItemStackRenderState itemStackRenderState, int x, int y, @Nullable ScreenRectangle scissorArea) {
        this.name = name;
        this.pose = pose;
        this.itemStackRenderState = itemStackRenderState;
        this.x = x;
        this.y = y;
        this.scissorArea = scissorArea;
        this.oversizedItemBounds = this.itemStackRenderState().isOversizedInGui() ? this.calculateOversizedItemBounds() : null;
        this.bounds = this.calculateBounds(this.oversizedItemBounds != null ? this.oversizedItemBounds : new ScreenRectangle(this.x, this.y, 16, 16));
    }

    private @Nullable ScreenRectangle calculateOversizedItemBounds() {
        AABB aabb = this.itemStackRenderState.getModelBoundingBox();
        int actualXSize = Mth.ceil(aabb.getXsize() * 16.0);
        int actualYSize = Mth.ceil(aabb.getYsize() * 16.0);
        if (actualXSize > 16 || actualYSize > 16) {
            float xOffset = (float)(aabb.minX * 16.0);
            float yOffset = (float)(aabb.maxY * 16.0);
            int flooredXOffset = Mth.floor(xOffset);
            int flooredYOffset = Mth.floor(yOffset);
            int actualX = this.x + flooredXOffset + 8;
            int actualY = this.y - flooredYOffset + 8;
            return new ScreenRectangle(actualX, actualY, actualXSize, actualYSize);
        }
        return null;
    }

    private @Nullable ScreenRectangle calculateBounds(ScreenRectangle itemBounds) {
        ScreenRectangle bounds = itemBounds.transformMaxBounds((Matrix3x2fc)this.pose);
        return this.scissorArea != null ? this.scissorArea.intersection(bounds) : bounds;
    }

    public String name() {
        return this.name;
    }

    public Matrix3x2f pose() {
        return this.pose;
    }

    public TrackingItemStackRenderState itemStackRenderState() {
        return this.itemStackRenderState;
    }

    public int x() {
        return this.x;
    }

    public int y() {
        return this.y;
    }

    public @Nullable ScreenRectangle scissorArea() {
        return this.scissorArea;
    }

    public @Nullable ScreenRectangle oversizedItemBounds() {
        return this.oversizedItemBounds;
    }

    @Override
    public @Nullable ScreenRectangle bounds() {
        return this.bounds;
    }
}