Embedded Files
Game Screen(Android Game)
package androidgame.mrnom;
import java.util.List;
import android.graphics.Color;
import androidgame.framework.Game;
import androidgame.framework.Graphics;
import androidgame.framework.Input.TouchEvent;
import androidgame.framework.Pixmap;
import androidgame.framework.Screen;
public class GameScreen extends Screen {
enum GameState
{
Ready,
Running,
Paused,
GameOver
}
GameState state = GameState.Ready;
World world;
int oldScore = 0;
String score = "0";
public GameScreen(Game game) {
super(game);
world = new World();
}
@Override
public void dispose() {
// TODO Auto-generated method stub
}
@Override
public void pause() {
// TODO Auto-generated method stub
if(state == GameState.Running)
state = GameState.Paused;
if(world.gameOver)
{
Settings.addScore(world.score);
Settings.save(game.getFileIO());
}
}
@Override
public void present(float deltaTime) {
// TODO Auto-generated method stub
Graphics g = game.getGraphics();
g.drawPixmap(Assets.background, 0, 0);
drawWorld(world);
if(state == GameState.Ready)
drawReadyUI();
if(state == GameState.Running)
drawRunningUI();
if(state == GameState.Paused)
drawPausedUI();
if(state == GameState.GameOver)
drawGameOverUI();
drawText(g, score, g.getWidth()/2 - score.length()*20/2, g.getHeight() - 42);
}
private void drawWorld(World world)
{
Graphics g = game.getGraphics();
Snake snake = world.snake;
SnakePart head = snake.parts.get(0);
Stain stain = world.stain;
Pixmap stainPixmap = null;
if(stain.type == Stain.TYPE_1)
stainPixmap = Assets.stain1;
if(stain.type == Stain.TYPE_2)
stainPixmap = Assets.stain2;
if(stain.type == Stain.TYPE_3)
stainPixmap = Assets.stain3;
int x = stain.x * 32;
int y = stain.y * 32;
g.drawPixmap(stainPixmap, x, y);
int len = snake.parts.size();
for(int i = 1; i < len; i++)
{
SnakePart part = snake.parts.get(i);
x = part.x * 32;
y = part.y * 32;
g.drawPixmap(Assets.tail, x, y);
}
Pixmap headPixmap = null;
if(snake.direction == Snake.UP)
headPixmap = Assets.headUp;
if(snake.direction == Snake.LEFT)
headPixmap = Assets.headLeft;
if(snake.direction == Snake.DOWN)
headPixmap = Assets.headDown;
if(snake.direction == Snake.RIGHT)
headPixmap = Assets.headRight;
x = head.x * 32 + 16;
y = head.y * 32 + 16;
g.drawPixmap(headPixmap, x - headPixmap.getWidth()/2, y - headPixmap.getHeight()/2);
}
private void drawReadyUI()
{
Graphics g = game.getGraphics();
g.drawPixmap(Assets.ready, 47, 100);
g.drawLine(0, 416, 480, 416, Color.BLACK);
}
private void drawRunningUI()
{
Graphics g = game.getGraphics();
g.drawPixmap(Assets.buttons, 0, 0, 64, 128, 64, 64);
g.drawLine(0, 416, 480, 416, Color.BLACK);
g.drawPixmap(Assets.buttons, 0, 416, 64, 64, 64, 64);
g.drawPixmap(Assets.buttons, 256, 416, 0, 64, 64, 64);
}
private void drawPausedUI()
{
Graphics g = game.getGraphics();
g.drawPixmap(Assets.pause, 80, 100);
g.drawLine(0, 416, 480, 416, Color.BLACK);
}
private void drawGameOverUI()
{
Graphics g = game.getGraphics();
g.drawPixmap(Assets.gameOver, 62, 100);
g.drawPixmap(Assets.buttons, 128, 200, 0, 128, 64, 64);
g.drawLine(0, 416, 480, 416, Color.BLACK);
}
public void drawText(Graphics g, String line, int x, int y)
{
int len = line.length();
for(int i = 0; i < len; i++)
{
char character = line.charAt(i);
if(character == ' ')
{
x += 20;
continue;
}
int srcX = 0;
int srcWidth = 0;
if(character == '.')
{
srcX = 200;
srcWidth = 10;
}
else
{
srcX = (character - '0') * 20;
srcWidth = 20;
}
g.drawPixmap(Assets.numbers, x, y, srcX, 0, srcWidth, 32);
x += srcWidth;
}
}
@Override
public void resume() {
// TODO Auto-generated method stub
}
@Override
public void update(float deltaTime) {
// TODO Auto-generated method stub
List touchEvents = game.getInput().getTouchEvents();
game.getInput().getKeyEvents();
if(state == GameState.Ready)
updateReady(touchEvents);
if(state == GameState.Running)
updateRunning(touchEvents, deltaTime);
if(state == GameState.Paused)
updatePaused(touchEvents);
if(state == GameState.GameOver)
updateGameOver(touchEvents);
}
private void updateReady(ListtouchEvents)
{
if(touchEvents.size() > 0)
state = GameState.Running;
}
private void updateRunning(ListtouchEvents, float deltaTime)
{
int len = touchEvents.size();
for(int i = 0; i < len; i++)
{
TouchEvent event = touchEvents.get(i);
if(event.type == TouchEvent.TOUCH_UP)
{
if(event.x < 64 && event.y < 64)
{
if(Settings.soundEnabled)
Assets.click.play(1);
state = GameState.Paused;
return;
}
}
if(event.type == TouchEvent.TOUCH_DOWN)
{
if(event.x < 64 && event.y > 416)
{
world.snake.turnLeft();
}
if(event.x > 256 && event.y > 416)
{
world.snake.turnRight();
}
}
}
world.update(deltaTime);
if(world.gameOver)
{
if(Settings.soundEnabled)
Assets.bitten.play(1);
state = GameState.GameOver;
}
if(oldScore != world.score)
{
oldScore = world.score;
score = "" + oldScore;
if(Settings.soundEnabled)
Assets.eat.play(1);
}
}
private void updatePaused(ListtouchEvents)
{
int len = touchEvents.size();
for(int i = 0; i < len; i++)
{
TouchEvent event = touchEvents.get(i);
if(event.type == TouchEvent.TOUCH_UP)
{
if(event.x > 80 && event.x <= 240)
{
if(event.y > 100 && event.y <= 148)
{
if(Settings.soundEnabled)
Assets.click.play(1);
state = GameState.Running;
return;
}
if(event.y > 148 && event.y < 196)
{
if(Settings.soundEnabled)
Assets.click.play(1);
game.setScreen(new MainMenuScreen(game));
return;
}
}
}
}
}
private void updateGameOver(ListtouchEvents)
{
int len = touchEvents.size();
for(int i = 0; i < len; i++)
{
TouchEvent event = touchEvents.get(i);
if(event.type == TouchEvent.TOUCH_UP)
{
if(event.x >= 128 && event.x <= 192 && event.y >= 200 && event.y <= 264)
{
if(Settings.soundEnabled)
Assets.click.play(1);
game.setScreen(new MainMenuScreen(game));
return;
}
}
}
}
}
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