public static void EndTemporaryObjectZoom(WorldObject focus)
{
if (currentFocusTarget != focus) return;
Point center = focus.Center();
Point oldScreenLoc = Spotlight.TranslateWorldPointToScreenPoint(center);
minZoom = 1f;
zoom = savedZoom;
offset = new Vector2(center.X - (oldScreenLoc.X / zoom), center.Y - (oldScreenLoc.Y / zoom));
currentFocusTarget = savedFocusTarget;
savedFocusTarget = null;
}
public void releaseBind(WorldObject boundObject)
{
isBoundToAnotherPlatform = false;
}
public void bindObject(WorldObject boundObject)
{
boundObjects.AddLast(boundObject);
}
//THIS IS A VERY BAD SOLUTION TO THE WALLJUMP PROBLEM
public int WJCollidesWithConnectedPlatforms(WorldObject player)
{
foreach (Platform p in ConnectedPlatforms)
{
int collisionState = Collision.checkCollisions(player, p);
//Debug.WriteLine(collisionState);
if ((collisionState == 2 /*&& player.getVelocity().X >= 0*/) || (collisionState == 4 /*&& player.getVelocity().X <= 0)*/))
return collisionState;
}
return 0;
}
/// <summary>
/// Checks to see if the ninja rectangle Collides with any connected platforms.
/// </summary>
/// <param name="rect"></param>
/// <returns></returns>
public Platform CollidesWithConnectedPlatforms(WorldObject player)
{
foreach (Platform p in ConnectedPlatforms)
{
int collisionState = Collision.checkCollisions(player, p);
//Debug.WriteLine(collisionState);
if ((collisionState == 2 && player.getVelocity().X >= 0) || (collisionState == 4 && player.getVelocity().X <= 0))
return p;
}
return null;
}
public static void TemporaryZoomOnObject(WorldObject newFocus, Vector2 fingerLocation)
{
if (zoom < 1.3f)
{
savedZoom = zoom;
minZoom = 1.3f;
zoom = 1.3f;
savedFocusTarget = currentFocusTarget;
currentFocusTarget = newFocus;
Point bounds = newFocus.Center();
offset = new Vector2(bounds.X - (fingerLocation.X/zoom), bounds.Y - (fingerLocation.Y/zoom));
currentSpotlightAnimatedTransition = SpotlightMotionTransition.None;
}
else
{
if (fingerLocation.X < 50)
{
offset.X -= 15;
}
if (fingerLocation.X > 750)
{
offset.X += 15;
}
if (fingerLocation.Y < 50)
{
offset.Y -= 15;
}
if (fingerLocation.Y > 430)
{
offset.Y += 15;
}
EnforceStageBoundaries();
}
}
public static void SetSpotlightFocus(WorldObject obj)
{
currentFocusTarget = obj;
}
public void WorldObject_DefaultInitTest()
{
WorldObject obj = new WorldObject(new Rectangle(0, 0, 90, 90), "texturemissing");
Assert.Equal(obj.velocity, Vector2.Zero);
}
/// <summary>
/// Andrew's code modified to return the side the collision happened
/// |
/// V
/// ___1____
/// | |
///--->4| obj1 |2<----
/// |_______|
/// 3
/// ^
/// |
/// <param name="obj1"></param>
/// <param name="obj2"></param>
/// <returns>Returns a number corresponding to the side of the collision, relative to Obj1 or 0.</returns>
public static int checkCollisions(WorldObject obj1, WorldObject obj2)
{
Rectangle rect1 = obj1.drawRect;
Rectangle rect2 = obj2.drawRect;
Rectangle rect2i = rect2;
rect2i.Inflate(2, 2);
if (!rect1.Intersects(rect2i)) return 0;
int obj1Left = rect1.Left;
int obj1Right = rect1.Right;
int obj1Top = rect1.Top;
int obj1Bottom = rect1.Bottom;
int obj2Left = rect2.Left;
int obj2Right = rect2.Right;
int obj2Top = rect2.Top;
int obj2Bottom = rect2.Bottom;
// intersect check
if (obj1Left > obj2Right || obj1Right < obj2Left || obj1Top > obj2Bottom || obj1Bottom < obj2Top) return 0;
//check for rectangular collisions; change leftOffset, rightOffset, topOffset, bottomOffset based on
#region RectangleCollisionCheck
// initially set to 1, if the side is in obj2 it gets set to 10
int leftOffset = 0, rightOffset = 0, topOffset = 0, bottomOffset = 0;
// set the flag for colliding sides
if (obj1Left >= obj2Left && obj1Left <= obj2Right) leftOffset = 1;
if (obj1Right <= obj2Right && obj1Right >= obj2Left) rightOffset = 1;
if (obj1Top >= obj2Top && obj1Top <= obj2Bottom) topOffset = 1;
if (obj1Bottom <= obj2Bottom && obj1Bottom >= obj2Top) bottomOffset = 1;
//add up the offsets to see how many sides intersect obj2
int sum = leftOffset + rightOffset + topOffset + bottomOffset;
if (sum == 3) // 3 sides intersect
{
if (leftOffset == 0) return 2;
else if (rightOffset == 0) return 4;
else if (bottomOffset == 0) return 1;
else if (topOffset == 0) return 3;
}
else if (sum == 2) // 2 sides intersect
{
//These variables used to calculate edge cases the +5 is length of a foot for realistic detection
float Xdist1 = Math.Abs(obj2Right - obj1Left);
float Ydist1 = Math.Abs(obj2Top - obj1Bottom) + 5;
float Xdist2 = Math.Abs(obj2Left - obj1Right);
float Ydist2 = Math.Abs(obj2Bottom - obj1Top) + 5;
//Check and calculate corner cases where two sides intersect
//bot left corner obj1 intersects obj2
if (bottomOffset == 1 && leftOffset == 1)
{
if (Xdist1 > Ydist1 && obj1.velocity.Y > 0) return 3;
return 4;
}
//top left corner obj1 intersects obj2
else if (leftOffset == 1 && topOffset == 1)
{
if (Xdist1 > Ydist2 && obj1.velocity.Y < 0) return 1;
return 4;
}
//top right corner obj1 intersects obj2
else if (topOffset == 1 && rightOffset == 1)
{
if (Xdist2 > Ydist2 && obj1.velocity.Y < 0) return 1;
return 2;
}
//bot right corner obj1 intersects obj2
else if (bottomOffset == 1 && rightOffset == 1)
{
if (Xdist2 > Ydist1 && obj1.velocity.Y > 0) return 3;
return 2;
}
}
else if (sum == 1) // 1 side intersects
{
if (rightOffset == 1) return 2;
else if (leftOffset == 1) return 4;
else if (bottomOffset == 1) return 3;
else if (topOffset == 1) return 1;
}
else if (sum == 0) return 3; //this object completely surrounds obj2
#endregion
return 0; //never happens
}
//Depending on the side of collision, calculate how far obj1 is intersecting obj2, and move obj1 out of obj2
//and set both objects's X or Y velocity to 0
public static void collisionResolution(int collisionState, WorldObject obj1, WorldObject obj2)
{
Point obj1Coor = obj1.drawRect.Location;
Point obj2Coor = obj2.drawRect.Location;
Point obj1Size = obj1.Size();
Point obj2Size = obj2.Size();
float distX;
float distY;
switch (collisionState)
{
case 1: //obj1's top coollides with obj2's bottom, move obj1 down and set Yvel to 0
distY = Math.Abs(obj1Coor.Y - (obj2Coor.Y + obj2Size.Y));
// If the ninja is on the ground, and a platform strikes his head, he gets squished and dies.
if (obj1 is Player && obj2 is Platform && (obj2.velocity.Y > 0) && obj1.positionMask == PositionState.OnFloor)
{
Player temp = (Player)obj1;
temp.explodeDeath();
break;
}
//obj1.MoveFrame(0, (int)distY);
if (obj1 is Player && obj2 is Platform)
{
obj1.MoveFrame(0, (int)distY);
//If Player is going up and hits his head, zero his Y velocity
if(obj1.velocity.Y < 0) obj1.setVelocity(obj1.velocity.X, 0);
break;
}
else if (obj2 is Player && obj1 is Platform)
{
obj2.setVelocity(obj1.velocity.X, 0);
obj2.setPositionState(PositionState.OnFloor);
break;
}
obj1.MoveFrame(0, (int)distY);
if (obj1.velocity.Y < 0) obj1.setVelocity(obj1.velocity.X, 0);
obj2.setVelocity(obj2.velocity.X, 0);
break;
case 2: //obj1's right coollides with obj2's left, move obj1 left and set Xvel to 0
distX = Math.Abs(obj1Coor.X + obj1Size.X - obj2Coor.X);
obj1.MoveFrame((int)-distX, 0);
//obj1.setVelocity(0, obj1.velocity.Y);
//obj2.setVelocity(0, obj2.velocity.Y);
break;
case 3: //obj1's bottom coollides with obj2's top, move obj1 up and set Yvel to 0
distY = Math.Abs(obj1Coor.Y + obj1Size.Y - obj2Coor.Y);
//obj1.MoveFrame(0, (int)-distY);
// if a player hits a platform with more than a certain fallspeed, he dies on impact.
if (obj1 is Player && obj1.velocity.Y >= WorldObject.terminalVelocity)
{
Player temp = (Player)obj1;
temp.fallDeath();
}
if (obj1 is Player && obj2 is Platform)
{
obj1.MoveFrame(0, (int)-distY);
obj1.setVelocity(obj1.velocity.X, 0);
obj1.setPositionState(PositionState.OnFloor);
break;
}
else if (obj2 is Player && obj1 is Platform)
{
obj2.setVelocity(obj1.velocity.X, 0);
break;
}
obj1.MoveFrame(0, (int)-distY);
obj1.setVelocity(obj1.velocity.X, 0); // Only stop this object from moving down.
obj2.setVelocity(obj2.velocity.X, 0); // Only stop this object from moving up.
obj1.setPositionState(PositionState.OnFloor);
//if a platform stacks on top of another, we don't want it to continue to accelerate downwards
if (obj1 is Platform) obj1.setGravity(false);
// if a player hits a platform with more than a certain fallspeed, he dies on impact.
break;
case 4: //obj1's left coollides with obj2's right, move obj1 right and set Xvel to 0
distX = Math.Abs(obj1Coor.X - (obj2Coor.X + obj2Size.X));
obj1.MoveFrame((int)distX, 0);
//obj1.setVelocity(0, obj1.velocity.Y);
//obj2.setVelocity(0, obj2.velocity.Y);
break;
default:
throw new Exception("Invalid CollisionState: WorldObjectManager.collisionResolution");
}
}
/// <summary>
/// Makes the ninja climb a ledge associated with the command passed in.
/// Returns true if ledge climb was successful, false otherwise
/// </summary>
/// <param name="c"></param>
public bool Action_LedgeClimb(Command c, LinkedList<Platform> listOfWorldPlatforms)
{
LinkedList<Platform> commandConnected = c.ConnectedPlatforms;
Rectangle collisionBound = drawRect;
collisionBound.Width *= 2;
//Player ghost = Copy();
WorldObject ghost = new WorldObject(drawRect);
Platform willClimb = null;
int collisionState;
if (commandConnected == null) return false;
//For each connected Platform, check to see if the ninja collides with the side, and then check if its ledge is clear to climb
foreach (Platform p in commandConnected)
{
collisionState = Collision.checkCollisions(this,p);
if ((collisionState == 2 && velocity.X > 0) || (collisionState == 4 && velocity.X < 0))
{
collisionBound.Y = p.drawRect.Top - collisionBound.Height - 1; // move collision bound to sit on top of the platform.
ghost.SetDrawFrame(collisionBound);
bool canClimb = true;
//check to see if the area where the ninja would ledge climb is clear
foreach (Platform p2 in listOfWorldPlatforms)
{
if (Collision.checkCollisions(ghost, p2) != 0)
{
canClimb = false;
break;
}
}
if (canClimb)
{
willClimb = p;
break;
}
}
}
ghost = null;
if (willClimb == null) return false;
if (drawRect.Top < willClimb.drawRect.Top)
{
actionState = NinjaActionState.WallClimbing;
velocity.Y = (float)NinjaJumpHeight / 1.25f;
return true;
}
return false;
}
