//methods:
//constructor
public SceneManager()
{
//init the scenes
mScenes = new List <GameScene>();
mCurrentScene = 0;//by default we start in scene zero
mCrossSceneData = new CrossSceneData();
}
public void update(float deltaTime, KeyboardState keys, SceneManager sceneManager, SoundManager soundManager, int inScreenWidth, int inScreenHeight, ref CrossSceneData data)
{
//call update method on the player
mPlayer.Update(deltaTime, keys, inScreenWidth, inScreenHeight, soundManager);
//calc enemy movements
if (numStepsSoFar >= numStepsPerRow)
{
numStepsSoFar = 0; //reset the number of steps
walkDir = !walkDir; //reverse the direction of walking
//move all enemies down a bit
for (int i = 0; i < mEnemies.Count(); i++)
{
mEnemies[i].offsetPosition(0.00f, inScreenHeight * 10f * deltaTime);
}
}
else
{
numStepsSoFar++;// increment the number of steps
}
if (walkDir)
{ //walk left
for (int i = 0; i < mEnemies.Count(); i++)
{
mEnemies[i].offsetPosition(100f * deltaTime, 0);
}
}
else
{ //walk right
for (int i = 0; i < mEnemies.Count(); i++)
{
mEnemies[i].offsetPosition(-100f * deltaTime, 0);
}
}
//enemy logic
for (int i = 0; i < mEnemies.Count(); i++)
{
//check for bullet intersection
mEnemies[i].Update(1.0f / 60.0f);
if (mPlayer.getBullet().IntersectsWith(mEnemies[i]) && (!mPlayer.getBullet().isDestroyed() && mEnemies[i].mIsDead == false))
{
mPlayer.getBullet().destroyBullet();
mEnemies[i].mIsDead = true;//destroy enemy
data.score += 100;
//mPlayer.isOnScreen = false;
}
//check if the enemy is too close
if (mEnemies[i].GetPos().Y > inScreenHeight * 0.7f)
{
Console.WriteLine("Game over");
sceneManager.selectNextScene(deltaTime, keys, sceneManager, soundManager, inScreenWidth, inScreenHeight, ref data);
return;
}
}
//update barricades
for (int i = 0; i < mBarricades.Count; i++)
{
mBarricades[i].Update(deltaTime);
}
}
public void onSwitchTo(float deltaTime, KeyboardState keys, SceneManager sceneManager, SoundManager soundManager, int inScreenWidth, int inScreenHeight, ref CrossSceneData data)
{
//load the game:
//load enemies
}
public void selectSceneByID(int ID, float deltaTime, KeyboardState keys, SceneManager sceneManager, SoundManager soundManager, int inScreenWidth, int inScreenHeight, ref CrossSceneData data)
{
mCurrentScene = ID;
mScenes[mCurrentScene].onSwitchTo(deltaTime, keys, sceneManager, soundManager, inScreenWidth, inScreenHeight, ref data);
}
public void update(float deltaTime, KeyboardState keys, SceneManager sceneManager, SoundManager soundManager, int inScreenWidth, int inScreenHeight, ref CrossSceneData data)
{
//if we have endured the required amount of time, transition to next scene
if (mEnduredScreenTime >= mScreenTime)
{
sceneManager.selectNextScene(deltaTime, keys, sceneManager, soundManager, inScreenWidth, inScreenHeight, ref data);
}
mEnduredScreenTime += (deltaTime);//increment the endured splash time
}
public void onSwitchTo(float deltaTime, KeyboardState keys, SceneManager sceneManager, SoundManager soundManager, int inScreenWidth, int inScreenHeight, ref CrossSceneData data)
{
//when switching back to the main menue, reset health and score
data.score = 0;
data.health = 0;
}
public void update(float deltaTime, KeyboardState keys, SceneManager sceneManager, SoundManager soundManager, int inScreenWidth, int inScreenHeight, ref CrossSceneData data)
{
//if we have endured the required amount of time, transition to next scene
if (keys.IsKeyDown(Keys.Enter))
{
sceneManager.selectNextScene(deltaTime, keys, sceneManager, soundManager, inScreenWidth, inScreenHeight, ref data);
}
mPressStartPos.X = (inScreenWidth - mMessageFont.MeasureString(mMessageString).X) / 2;
mPressStartPos.Y = inScreenHeight * 0.2f;// inScreenHeight - (inScreenHeight * 0.2f);
}
public void update(float deltaTime, KeyboardState keys, SceneManager sceneManager, SoundManager soundManager, int inScreenWidth, int inScreenHeight, ref CrossSceneData data)
{
if (keys.IsKeyDown(Keys.Enter))
{ //go back to the main menue
sceneManager.selectSceneByID(1, deltaTime, keys, sceneManager, soundManager, inScreenWidth, inScreenHeight, ref data);
}
}
public void onSwitchTo(float deltaTime, KeyboardState keys, SceneManager sceneManager, SoundManager soundManager, int inScreenWidth, int inScreenHeight, ref CrossSceneData data)
{
//init the scores list
mScores = new List <scores>();
mScore.updateText("Score: " + data.score.ToString());
//position the score text on the screen
Vector2 scorePos = new Vector2(
(inScreenWidth - mScore.getFont().MeasureString(mScore.getText()).X) / 2, //calc x pos
inScreenHeight * 0.2f); //calx y pos - top 20% of screen
mScore.updatePos(scorePos);
scorePos = new Vector2(
(inScreenWidth - mContinueText.getFont().MeasureString(mContinueText.getText()).X) / 2, //calc x pos
inScreenHeight * 0.8f); //calx y pos - at bottom 20% of screen
mContinueText.updatePos(scorePos);
}