public int doLogin(int step) {
switch (step) {
case INIT:
// 初始化角色血量
player.setHp(Player.MAX_HP);
// 初始化登录界面
if (loginView == null) {
loginView = new RelativeLayout(mainContext);
loginView.setBackgroundResource(R.drawable.game_back);
// 创建按钮
Button button = new Button(mainContext);
// 设置按钮的背景图片
button.setBackgroundResource(R.drawable.button_selector);
RelativeLayout.LayoutParams params =
new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.CENTER_IN_PARENT);
// 添加按钮
loginView.addView(button, params);
button.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
// 将游戏场景的常量添加到stageList集合中
stageList.add(STAGE_GAME);
}
});
// 通过Handler通知主界面加载loginView组件
setViewHandler.sendMessage(setViewHandler.obtainMessage(0, loginView)); // ①
}
break;
case LOGIC:
break;
case CLEAN:
// 清除登录界面
if (loginView != null) {
// 通过Handler通知主界面删除loginView组件
delViewHandler.sendMessage(delViewHandler.obtainMessage(0, loginView)); // ②
loginView = null;
}
break;
case PAINT:
break;
}
return STAGE_NO_CHANGE;
}
public int doGame(int step) {
switch (step) {
case INIT:
// 初始化游戏界面
if (gameLayout == null) {
gameLayout = new RelativeLayout(mainContext);
// 添加向左移动的按钮
Button button = new Button(mainContext);
button.setId(ID_LEFT);
// 设置按钮的背景图片
button.setBackground(getResources().getDrawable(R.drawable.left));
RelativeLayout.LayoutParams params =
new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.ALIGN_PARENT_LEFT);
params.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
params.setMargins((int) (ViewManager.scale * 20), 0, 0, (int) (ViewManager.scale * 10));
// 向游戏界面上添加向左的按钮
gameLayout.addView(button, params);
// 为按钮添加事件监听器
button.setOnTouchListener(
new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
player.setMove(Player.MOVE_LEFT);
break;
case MotionEvent.ACTION_UP:
player.setMove(Player.MOVE_STAND);
break;
case MotionEvent.ACTION_MOVE:
break;
}
return false;
}
});
// 添加向右移动的按钮
button = new Button(mainContext);
// 设置按钮的背景图片
button.setBackground(getResources().getDrawable(R.drawable.right));
params =
new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.RIGHT_OF, ID_LEFT);
params.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
params.setMargins((int) (ViewManager.scale * 20), 0, 0, (int) (ViewManager.scale * 10));
// 向游戏界面上添加向右的按钮
gameLayout.addView(button, params);
// 为按钮添加事件监听器
button.setOnTouchListener(
new OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
player.setMove(Player.MOVE_RIGHT);
break;
case MotionEvent.ACTION_UP:
player.setMove(Player.MOVE_STAND);
break;
case MotionEvent.ACTION_MOVE:
break;
}
return false;
}
});
// 添加射击按钮
button = new Button(mainContext);
button.setId(ID_FIRE);
// 设置按钮的背景图片
button.setBackground(getResources().getDrawable(R.drawable.fire));
params =
new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.ALIGN_PARENT_RIGHT);
params.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
params.setMargins(0, 0, (int) (ViewManager.scale * 20), (int) (ViewManager.scale * 10));
// 向游戏界面上添加射击的按钮
gameLayout.addView(button, params);
// 为按钮添加事件监听器
button.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
// 当角色的leftShootTime为0时（上一枪发射结束），角色才能发射下一枪。
if (player.getLeftShootTime() <= 0) {
player.addBullet();
}
}
});
// 添加跳的按钮
button = new Button(mainContext);
// 设置按钮的背景图片
button.setBackground(getResources().getDrawable(R.drawable.jump));
params =
new RelativeLayout.LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
params.addRule(RelativeLayout.LEFT_OF, ID_FIRE);
params.addRule(RelativeLayout.ALIGN_PARENT_BOTTOM);
params.setMargins(0, 0, (int) (ViewManager.scale * 20), (int) (ViewManager.scale * 10));
// 向游戏界面上添加跳的按钮
gameLayout.addView(button, params);
// 为按钮添加事件监听器
button.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
player.setJump(true);
}
});
setViewHandler.sendMessage(setViewHandler.obtainMessage(0, gameLayout)); // ③
}
break;
case LOGIC:
// 随机生成怪物
MonsterManager.generateMonster();
// 检查碰撞
MonsterManager.checkMonster();
// 角色跳与移动
player.logic();
// 角色死亡
if (player.isDie()) {
stageList.add(STAGE_LOSE);
}
break;
case CLEAN:
// 清除游戏界面
if (gameLayout != null) {
delViewHandler.sendMessage(delViewHandler.obtainMessage(0, gameLayout)); // ④
gameLayout = null;
}
break;
case PAINT:
// 画游戏元素
ViewManager.clearScreen(canvas);
ViewManager.drawGame(canvas);
break;
}
return STAGE_NO_CHANGE;
}