br.unb.bomberman.ui.screens.battle.GameScreen.java Source code

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/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package br.unb.bomberman.ui.screens.battle;

import br.unb.bomberman.ui.screens.Assets;
import br.unb.unbomber.Settings;
import br.unb.unbomber.match.GameMatch;
import br.unb.unbomber.match.GameMatch.State;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.ScreenAdapter;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.OrthographicCamera;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.math.Rectangle;
import com.badlogic.gdx.math.Vector3;

import ecs.common.match.TournamentController;

public class GameScreen extends ScreenAdapter {
    static final int GAME_READY = 0;
    static final int GAME_RUNNING = 1;
    static final int GAME_PAUSED = 2;
    static final int GAME_LEVEL_END = 3;
    static final int GAME_OVER = 4;

    SpriteBatch batch;
    private int state;

    OrthographicCamera guiCam;
    Vector3 touchPoint;

    Rectangle pauseBounds;
    Rectangle resumeBounds;
    Rectangle quitBounds;

    int lastScore;
    String scoreString;

    GameMatch match;

    TournamentController controller;

    public GameScreen(SpriteBatch batch, TournamentController controller, GameMatch match) {
        this.batch = batch;
        this.controller = controller;
        this.match = match;
    }

    @Override
    public void show() {
        loadGame();
        match.start();
    }

    private void loadGame() {

        guiCam = new OrthographicCamera(320, 480);
        guiCam.position.set(320 / 2, 480 / 2, 0);
        touchPoint = new Vector3();

        pauseBounds = new Rectangle(320 - 64, 480 - 64, 64, 64);
        resumeBounds = new Rectangle(160 - 96, 240, 192, 36);
        quitBounds = new Rectangle(160 - 96, 240 - 36, 192, 36);

        lastScore = 0;
        scoreString = "0";

        state = GAME_READY;
    }

    @Override
    public void render(float delta) {
        update(delta);
        drawUI(delta);
    }

    public void update(float deltaTime) {
        if (deltaTime > 0.1f)
            deltaTime = 0.1f;

        switch (state) {
        case GAME_READY:
            updateReady();
            break;
        case GAME_RUNNING:
            updateRunning(deltaTime);
            break;
        case GAME_PAUSED:
            updatePaused();
            break;
        case GAME_OVER:
            updateGameOver();
            break;
        }
    }

    private void updateReady() {
        if (Gdx.input.justTouched()) {
            state = GAME_RUNNING;
        }
    }

    private void updateRunning(float deltaTime) {
        if (Gdx.input.justTouched()) {
            guiCam.unproject(touchPoint.set(Gdx.input.getX(), Gdx.input.getY(), 0));

            if (pauseBounds.contains(touchPoint.x, touchPoint.y)) {
                Assets.playSound(Assets.clickSound);
                Assets.music.setVolume(0f);
                state = GAME_PAUSED;
                return;
            }
        }

        //      if (match.score != lastScore) {
        //         lastScore = match.score;
        //         scoreString = "" + lastScore;
        //      }
        if (match.state == State.FINISHED) {
            state = GAME_OVER;
            if (lastScore >= Settings.highscores[4])
                scoreString = "NEW HIGHSCORE: " + lastScore;
            else
                scoreString = "" + lastScore;
            Settings.addScore("Player", lastScore);
            Settings.save();

            if (controller != null) {
                controller.nextScreen();
            }
        }
    }

    private void updatePaused() {
        if (Gdx.input.justTouched()) {
            guiCam.unproject(touchPoint.set(Gdx.input.getX(), Gdx.input.getY(), 0));

            if (resumeBounds.contains(touchPoint.x, touchPoint.y)) {
                Assets.playSound(Assets.clickSound);
                Gdx.gl.glClearColor(0.5f, 0.5f, 0.5f, 1);
                Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
                Assets.music.setVolume(Settings.soundVolume);
                state = GAME_RUNNING;
                return;
            }

            if (quitBounds.contains(touchPoint.x, touchPoint.y)) {
                Assets.playSound(Assets.clickSound);
                Gdx.gl.glClearColor(0.5f, 0.5f, 0.5f, 1);
                Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
                Assets.music.setVolume(Settings.soundVolume);
                state = GAME_READY;
                controller.quit();
                return;
            }
        }
    }

    private void updateGameOver() {
        controller.nextScreen();
    }

    public void drawUI(float delta) {
        guiCam.update();
        batch.setProjectionMatrix(guiCam.combined);
        batch.begin();
        switch (state) {
        case GAME_READY:
            presentReady();
            break;
        case GAME_RUNNING:
            presentRunning(delta);
            break;
        case GAME_PAUSED:
            presentPaused();
            break;
        case GAME_LEVEL_END:
            presentLevelEnd();
            break;
        case GAME_OVER:
            presentGameOver();
            break;
        }
        batch.end();
    }

    private void presentReady() {
        batch.draw(Assets.ready, 160 - 192 / 2, 240 - 32 / 2, 192, 32);

    }

    private void presentRunning(float deltaTime) {
        Gdx.gl.glClearColor(0.5f, 0.5f, 0.5f, 1);
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

        batch.draw(Assets.hudBar, 0, 410, 320, 60);
        batch.draw(Assets.pause, 320 - 40, 480 - 64, 48, 48);
        batch.draw(Assets.p1, 320 - 224, 480 - 56, 20, 24);
        batch.draw(Assets.boxScore, 320 - 200, 480 - 56, 16, 24);
        batch.draw(Assets.p2, 320 - 178, 480 - 56, 20, 24);
        batch.draw(Assets.boxScore, 320 - 154, 480 - 56, 16, 24);
        batch.draw(Assets.p3, 320 - 132, 480 - 56, 20, 24);
        batch.draw(Assets.boxScore, 320 - 108, 480 - 56, 16, 24);
        batch.draw(Assets.p4, 320 - 86, 480 - 56, 20, 24);
        batch.draw(Assets.boxScore, 320 - 60, 480 - 56, 16, 24);

        Assets.font.setScale(0.6f, 1);
        Assets.font.draw(batch, scoreString, 320 - 196, 480 - 32);

        match.update(deltaTime);
    }

    private void presentPaused() {
        //Gdx.gl.glClearColor(0.5f, 0.5f, 0.6f, 0.8f);
        //Gdx.gl.glClear(GL20.GL_ALPHA);
        batch.draw(Assets.pauseMenu, 160 - 192 / 2, 240 - 96 / 2, 192, 96);
    }

    private void presentLevelEnd() {
        String topText = "the princess is ...";
        String bottomText = "in another castle!";
        float topWidth = Assets.font.getBounds(topText).width;
        float bottomWidth = Assets.font.getBounds(bottomText).width;
        Assets.font.draw(batch, topText, 160 - topWidth / 2, 480 - 40);
        Assets.font.draw(batch, bottomText, 160 - bottomWidth / 2, 40);
    }

    private void presentGameOver() {
        batch.draw(Assets.gameOver, 160 - 160 / 2, 240 - 96 / 2, 160, 96);
        float scoreWidth = Assets.font.getBounds(scoreString).width;
        Assets.font.draw(batch, scoreString, 160 - scoreWidth / 2, 480 - 20);
    }

    @Override
    public void pause() {
        if (state == GAME_RUNNING) {
            state = GAME_PAUSED;
        }
    }
}