<|start_filename|>src/main/java/me/ramidzkh/fabrishot/capture/CaptureTask.java<|end_filename|>
/*
 * MIT License
 *
 * Copyright (c) 2021 <NAME>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package me.ramidzkh.fabrishot.capture;

import me.ramidzkh.fabrishot.MinecraftInterface;
import me.ramidzkh.fabrishot.config.Config;
import net.minecraft.util.Util;

import java.io.IOException;
import java.nio.file.Path;

public class CaptureTask {

    private final Path file;

    private int frame;
    private int displayWidth;
    private int displayHeight;

    public CaptureTask(Path file) {
        this.file = file;
    }

    public Path getFile() {
        return file;
    }

    public boolean onRenderTick() {
        switch (frame) {
            // override viewport size (the following frame will be black)
            case 0:
                displayWidth = MinecraftInterface.getDisplayWidth();
                displayHeight = MinecraftInterface.getDisplayHeight();

                int width = Config.CAPTURE_WIDTH;
                int height = Config.CAPTURE_HEIGHT;

                // resize viewport/framebuffer
                MinecraftInterface.resize(width, height);
                break;

            // capture screenshot and restore viewport size
            case 3:
                try {
                    FramebufferCapturer fbc = new FramebufferCapturer();
                    fbc.capture();

                    Util.getIoWorkerExecutor().execute(() -> {
                        FramebufferWriter fbw = new FramebufferWriter(file, fbc);

                        try {
                            fbw.write();
                        } catch (IOException exception) {
                            exception.printStackTrace();
                        }
                    });
                } finally {
                    // restore viewport/framebuffer
                    MinecraftInterface.resize(displayWidth, displayHeight);
                }
                break;
        }

        frame++;
        return frame > 3;
    }
}
