// TODO maybe this becomes a init crit method and make activategrid just display the grid rather than create a new one
public static InvaderGrid GenerateGrid(int level)
{
// Get factory for producing gameobjects and adding them to the gameobject manager and spritebatches
InvaderFactory rootLevelIF = new InvaderFactory(SpriteBatch.Name.Sprites, SpriteBatch.Name.Boxes);
// create the grid composite data structure
InvaderGrid pGrid = (InvaderGrid)rootLevelIF.ActiveCreate(GameObject.Type.InvaderGrid, 0, 0);
// Get another factory for producing gameobjects and adding them to the Grid as well as the gameobject manager and sprite batches
InvaderFactory columnIF = new InvaderFactory(SpriteBatch.Name.Sprites, SpriteBatch.Name.Boxes, pGrid);
for (int i = 0; i < 11; i++)
{
InvaderColumn pColumn = (InvaderColumn)columnIF.ActiveCreate(GameObject.Type.InvaderColumn, 0, 0);
InvaderFactory gridAliensIF = new InvaderFactory(SpriteBatch.Name.Sprites, SpriteBatch.Name.Boxes, pColumn);
float xPos = Constants.gridXOrigin + i * Constants.gridColumnDelta;
gridAliensIF.ActiveCreate(GameObject.Type.SmallInvader, xPos, Constants.smallInvaderYPos - level * 10);
gridAliensIF.ActiveCreate(GameObject.Type.MediumInvader, xPos, Constants.MediumInvaderYPos1 - level * 10);
gridAliensIF.ActiveCreate(GameObject.Type.MediumInvader, xPos, Constants.MediumInvaderYPos2 - level * 10);
gridAliensIF.ActiveCreate(GameObject.Type.LargeInvader, xPos, Constants.LargeInvaderYPos1 - level * 10);
gridAliensIF.ActiveCreate(GameObject.Type.LargeInvader, xPos, Constants.LargeInvaderYPos2 - level * 10);
}
pGrid.SetState(InvaderGridManager.State.NotCollingWithWall);
return(pGrid);
}
public static InvaderCategory GetRandomBombDropper(InvaderGrid pGrid)
{
InvaderGridManager pMan = InvaderGridManager.PrivGetInstance();
Debug.Assert(pMan != null);
InvaderCategory pTmpInvader = null;
// Find a random bottom row invader to drop the bomb
int numColumns = pGrid.GetNumChildren();
int randomColumnIndex = pMan.pRandom.Next(numColumns);
InvaderColumn pColumn = (InvaderColumn)pGrid.GetChild(randomColumnIndex);
pTmpInvader = (InvaderCategory)pColumn.GetChild(0);
// Check to see if the invader drop the bomb, if not go find another invader
InvaderCategory pInvader = null;
for (int i = 0; i < numColumns; i++)
{
randomColumnIndex = pMan.pRandom.Next(numColumns);
pColumn = (InvaderColumn)pGrid.GetChild(randomColumnIndex);
pTmpInvader = (InvaderCategory)pColumn.GetChild(0);
if (pTmpInvader.canLaunchBomb)
{
pInvader = pTmpInvader;
break;
}
}
return(pInvader);
}
public override void VisitInvaderColumn(InvaderColumn pColumn)
{
//Debug.WriteLine("in ShieldZone, visit from InvaderColumn");
GameObject pGameObj = (GameObject)pColumn.GetFirstChild();
ColPair.FwdCollide(this, pGameObj);
}
// Creates invader And adds it to Batches or gameobject manager
public GameObject ActiveCreate(GameObject.Type type, float posX, float posY)
{
GameObject pGameObj = null;
switch (type)
{
case GameObject.Type.SmallInvader:
pGameObj = new SmallInvader(GameObject.Name.SmallInvader, Sprite.Name.SmallInvader, BoxSprite.Name.SmallInvaderBox, posX, posY);
break;
case GameObject.Type.MediumInvader:
pGameObj = new MediumInvader(GameObject.Name.MediumInvader, Sprite.Name.MediumInvader, BoxSprite.Name.MediumInvaderBox, posX, posY);
break;
case GameObject.Type.LargeInvader:
pGameObj = new LargeInvader(GameObject.Name.LargeInvader, Sprite.Name.LargeInvader, BoxSprite.Name.LargeInvaderBox, posX, posY);
break;
case GameObject.Type.UFO:
pGameObj = new UFO(GameObject.Name.UFO, Sprite.Name.UFO, BoxSprite.Name.UFOBox, posX, posY);
break;
case GameObject.Type.InvaderColumn:
pGameObj = new InvaderColumn(GameObject.Name.InvaderColumn, BoxSprite.Name.InvaderColumnBox);
break;
case GameObject.Type.InvaderGrid:
pGameObj = new InvaderGrid(GameObject.Name.InvaderGrid, BoxSprite.Name.InvaderGridBox);
break;
default:
// something is wrong
Debug.Assert(false, "GameObject type not supported by this factory");
break;
}
// add it to the gameObjectManager
Debug.Assert(pGameObj != null);
GameObjectManager.Attach(pGameObj);
if (pGOComposite != null)
{
// add to grouping
pGOComposite.Add(pGameObj);
}
// Attached to Batches
this.pBoxSpriteBatch.Attach(pGameObj.poColObj.pColSprite);
this.pSpriteBatch.Attach(pGameObj.pProxySprite);
return(pGameObj);
}
// Creates invader but does not add it to Batches or gameobject manager
public GameObject PassiveCreate(GameObject.Type type, float posX, float posY)
{
GameObject pGameObj = null;
switch (type)
{
case GameObject.Type.SmallInvader:
pGameObj = new SmallInvader(GameObject.Name.SmallInvader, Sprite.Name.SmallInvader, BoxSprite.Name.SmallInvaderBox, posX, posY);
break;
case GameObject.Type.MediumInvader:
pGameObj = new MediumInvader(GameObject.Name.MediumInvader, Sprite.Name.MediumInvader, BoxSprite.Name.MediumInvaderBox, posX, posY);
break;
case GameObject.Type.LargeInvader:
pGameObj = new LargeInvader(GameObject.Name.LargeInvader, Sprite.Name.LargeInvader, BoxSprite.Name.LargeInvaderBox, posX, posY);
break;
case GameObject.Type.UFO:
pGameObj = new UFO(GameObject.Name.UFO, Sprite.Name.UFO, BoxSprite.Name.UFOBox, posX, posY);
break;
case GameObject.Type.InvaderColumn:
pGameObj = new InvaderColumn(GameObject.Name.InvaderColumn, BoxSprite.Name.InvaderColumnBox);
break;
case GameObject.Type.InvaderGrid:
pGameObj = new InvaderGrid(GameObject.Name.InvaderGrid, BoxSprite.Name.InvaderGridBox);
break;
default:
// something is wrong
Debug.Assert(false, "GameObject type not supported by this factory");
break;
}
if (pGOComposite != null)
{
// add to grouping
pGOComposite.Add(pGameObj);
}
return(pGameObj);
}
public override void VisitInvaderColumn(InvaderColumn pColumn)
{
GameObject pGameObj = (GameObject)pColumn.GetFirstChild();
ColPair.FwdCollide(this, pGameObj);
}
public virtual void VisitInvaderColumn(InvaderColumn pColumn)
{
// no differed to subcass
Debug.WriteLine("Visit by InvaderColumn not implemented");
Debug.Assert(false);
}