// Take a normalized vector and return the direction it's facing.
// There's a quite of lot of operations here I'm sure it could be made more efficent.
private Direction VectorToDirection(Vector direction)
{
Vector up = new Vector(0, 1, 0);
Vector down = new Vector(0, -1, 0);
Vector left = new Vector(-1, 0, 0);
Vector right = new Vector(1, 0, 0);
double upDiff = Math.Acos(direction.DotProduct(up));
double downDiff = Math.Acos(direction.DotProduct(down));
double leftDiff = Math.Acos(direction.DotProduct(left));
double rightDiff = Math.Acos(direction.DotProduct(right));
double smallest = Math.Min(Math.Min(upDiff, downDiff), Math.Min(leftDiff, rightDiff));
// yes there's a precidence if they're the same value, it doesn't matter
if (smallest == upDiff)
{
return Direction.Up;
}
else if (smallest == downDiff)
{
return Direction.Down;
}
else if (smallest == leftDiff)
{
return Direction.Left;
}
else
{
return Direction.Right;
}
}
public Matrix(Vector x, Vector y, Vector z, Vector o)
{
_m11 = x.X; _m12 = x.Y; _m13 = x.Z;
_m21 = y.X; _m22 = y.Y; _m23 = y.Z;
_m31 = z.X; _m32 = z.Y; _m33 = z.Z;
_m41 = o.X; _m42 = o.Y; _m43 = o.Z;
}
public Vector NextMove(Vector currentPosition, double elapsedTime)
{
_elapsedTime += elapsedTime;
var prng = new Random();
double ranTime = (double) prng.Next(5, 25)/10;
if (currentPosition.X > 600) _lastMove = new Vector(-1, 0, 0);
else if (currentPosition.X < -600) _lastMove = new Vector(1, 0, 0);
else if (currentPosition.Y > 370) _lastMove = new Vector(0, -1, 0);
else if (currentPosition.Y < -370) _lastMove = new Vector(0, 1, 0);
else if (_elapsedTime > ranTime)
{
_elapsedTime = 0;
int ranNum = prng.Next(0, 3);
switch (ranNum)
{
case 0:
_lastMove = new Vector(0, 1, 0);
break;
case 1:
_lastMove = new Vector(1, 0, 0);
break;
case 2:
_lastMove = new Vector(0, -1, 0);
break;
case 3:
_lastMove = new Vector(-1, 0, 0);
break;
}
}
return _lastMove;
}
public Tile(string tileName, Texture texture, TileCollision tileCollision, Vector position)
{
TileName = tileName;
TileCollision = tileCollision;
Sprite.Texture = texture;
Sprite.SetPosition(position);
}
public Ship(Vector pos, Game game, ParticleEngine particleEngine, Arena arena)
{
position = pos;
gameref = game;
particles = particleEngine;
arenaref = arena;
}
public void AddExplosion(Vector position)
{
var explosion = new AnimatedSprite {Texture = _textureManager.Get("explosion")};
explosion.SetAnimation(4, 4);
explosion.SetPosition(position);
_effects.Add(explosion);
}
private void CreateText(double x, double y, double maxWidth)
{
_bitmapText.Clear();
double currentX = 0;
double currentY = 0;
string[] words = _text.Split(' ');
foreach (string word in words)
{
Vector nextWordLength = _font.MeasureFont(word);
if (maxWidth != -1 &&
(currentX + nextWordLength.X) > maxWidth)
{
currentX = 0;
currentY += nextWordLength.Y;
}
string wordWithSpace = word + " "; // add the space character that was removed.
foreach (char c in wordWithSpace)
{
CharacterSprite sprite = _font.CreateSprite(c);
float xOffset = ((float)sprite.Data.XOffset) / 2;
float yOffset = (((float)sprite.Data.Height) * 0.5f) + ((float)sprite.Data.YOffset);
sprite.Sprite.SetPosition(x + currentX + xOffset, y - currentY - yOffset);
currentX += sprite.Data.XAdvance;
_bitmapText.Add(sprite);
}
}
_dimensions = _font.MeasureFont(_text, _maxWidth);
_dimensions.Y = currentY;
SetColor(_color);
}
public void Move(Vector amount)
{
amount *= Speed;
if (Math.Abs(amount.X) > Math.Abs(amount.Y))
{
if (amount.X > 0)
{
MoveRight();
}
else
{
MoveLeft();
}
}
else
{
if (amount.Y > 0)
{
MoveUp();
}
else
{
MoveDown();
}
}
Sprite.SetPosition(Sprite.GetPosition() + amount);
}
/// <summary>
/// Constructs an enemy given the texture and AI (IEnemyBrain)
/// </summary>
/// <param name="texture">The texture for the enemy</param>
/// <param name="enemyBrain">The AI for the enemy</param>
/// <param name="position">The spawn point for this enemy</param>
public Enemy(Texture texture, IEnemyBrain enemyBrain, Vector position)
{
_enemyBrain = enemyBrain;
Sprite.Texture = texture;
Sprite.SetPosition(position);
RestartShootCountDown();
}
/// <summary>
/// Calculates the signed depth of intersection between two rectangles.
/// </summary>
/// <returns>
/// The amount of overlap between two intersecting rectangles. These
/// depth values can be negative depending on which wides the rectangles
/// intersect. This allows callers to determine the correct direction
/// to push objects in order to resolve collisions.
/// If the rectangles are not intersecting, Vector2.Zero is returned.
/// </returns>
public static Vector GetIntersectionDepth(this RectangleF rectA, RectangleF rectB)
{
// Calculate half sizes.
double halfWidthA = rectA.Width/2.0f;
double halfHeightA = rectA.Height/2.0f;
double halfWidthB = rectB.Width/2.0f;
double halfHeightB = rectB.Height/2.0f;
// Calculate centers.
var centerA = new Vector(rectA.Left + halfWidthA, rectA.Top + halfHeightA, 0);
var centerB = new Vector(rectB.Left + halfWidthB, rectB.Top + halfHeightB, 0);
// Calculate current and minimum-non-intersecting distances between centers.
double distanceX = centerA.X - centerB.X;
double distanceY = centerA.Y - centerB.Y;
double minDistanceX = halfWidthA + halfWidthB;
double minDistanceY = halfHeightA + halfHeightB;
// If we are not intersecting at all, return (0, 0).
if (Math.Abs(distanceX) >= minDistanceX || Math.Abs(distanceY) >= minDistanceY)
return Vector.Zero;
// Calculate and return intersection depths.
double depthX = distanceX > 0 ? minDistanceX - distanceX : -minDistanceX - distanceX;
double depthY = distanceY > 0 ? minDistanceY - distanceY : -minDistanceY - distanceY;
return new Vector(depthX, depthY, 0);
}
//Spawn a new particle
public void SpawnParticle(int timeToLive, Vector position, Vector velocity, Vector accelleration, double red, double green, double blue, double alpha, bool gradualFade, int size)
{
if (particles.Count < maxParticles)
{
particles.Add(new Particle(texture, timeToLive, position, velocity, accelleration, red, green, blue, alpha, gradualFade, size));
}
}
public void Update(double elapsedTime)
{
// Get controls and apply to player character
double _x = _input.Controller.LeftControlStick.X;
double _y = _input.Controller.LeftControlStick.Y * -1;
Vector controlInput = new Vector(_x, _y, 0);
if (Math.Abs(controlInput.Length()) < 0.0001)
{
// If the input is very small, then the player may not be using
// a controller;, they might be using the keyboard.
if (_input.Keyboard.IsKeyHeld(Keys.Left))
{
controlInput.X = -1;
}
if (_input.Keyboard.IsKeyHeld(Keys.Right))
{
controlInput.X = 1;
}
if (_input.Keyboard.IsKeyHeld(Keys.Up))
{
controlInput.Y = 1;
}
if (_input.Keyboard.IsKeyHeld(Keys.Down))
{
controlInput.Y = -1;
}
}
_playerCharacter.Move(controlInput * elapsedTime);
}
//Character attributes
public BasicGroundEnemy(Game game, Vector position, Vector velocity, Dictionary<string, Sprite> sprites, string defaultSprite, IController controller, //GameObject attributes
WorldPhysics worldPhysics, ObjectPhysics objectPhysics, Dictionary<string, BoundingPolygon> boundingPolygons, //PhysicalObject attributes
double runSpeed, double maxSpeed)
: base(game, position, velocity, sprites, defaultSprite, controller, worldPhysics, objectPhysics, boundingPolygons, runSpeed, maxSpeed)
{
Stompable = true;
}
public EditorModel()
{
Running = true;
MousePosition = new Vector();
Objects = new List<MapObject>();
ExtraProperties = new Dictionary<string, string>();
}
public CollidableObject(double x, double y, Vector v)
{
position = new Vector(x, y);
velocity = v;
LastVelocity = new Vector(0,0);
BoundingBox = new BoundingBox(position.X-width/2, position.Y+height/2, position.X+width/2, position.Y-height/2);
}
public Block(TextureManager manager, string blockType)
{
_sprite.Texture = manager.Get(blockType);
DropSpeed = 30.0;
Direction = new Vector(0, -1, 0);
KeepAlive = true;
_moveDistance = _sprite.GetWidth();
}
public VerticalMenu(double x, double y, Input.Input input, Color unfocused, Color focused)
{
this.input = input;
position = new Vector(x, y, 0);
Spacing = 50;
SetUnfocusedColor(unfocused);
SetFocusColor(focused);
}
public Block(Texture texture)
{
_sprite.Texture = texture;
DropSpeed = 30.0;
Direction = new Vector(0, -1, 0);
KeepAlive = true;
_moveDistance = _sprite.GetWidth();
}
public Bullet(Texture bulletTexture)
{
_sprite.Texture = bulletTexture;
// Some default values
Dead = false;
Direction = new Vector(1, 0, 0);
Speed = 512;// pixels per second
}
public PhysicalObject(Game game, Vector position, Vector velocity, Dictionary<string, Sprite> sprites, string defaultSprite, IController controller,
WorldPhysics worldPhysics, ObjectPhysics objectPhysics, Dictionary<string, BoundingPolygon> boundingPolygons)
: base(game, position, velocity, sprites, defaultSprite, controller, boundingPolygons)
{
this.worldPhysics = worldPhysics;
this.objectPhysics = objectPhysics;
this.friction = objectPhysics.Friction*worldPhysics.GroundFrictionFactor;
inAirTimer.Start();
}
//Just pass on the constructor stuff to base
public Character(Game game, Vector position, Vector velocity, Dictionary<string, Sprite> sprites, string defaultSprite, IController controller,
WorldPhysics worldPhysics, ObjectPhysics objectPhysics, Dictionary<string, BoundingPolygon> boundingPolygons,
double runSpeed, double maxSpeed)
: base(game, position, velocity, sprites, defaultSprite, controller, worldPhysics, objectPhysics, boundingPolygons)
{
CurrentSprite.PlayAnimation("stand", true);
MaxSpeed = maxSpeed;
RunSpeed = runSpeed;
}
public Block(Texture texture, Vector scaler, Vector position)
{
_sprite.Texture = texture;
DropSpeed = 30.0;
Direction = new Vector(0, -1, 0);
KeepAlive = true;
_sprite.SetScale(scaler.X, scaler.Y);
_sprite.SetPosition(position.X, position.Y);
_moveDistance = _sprite.GetWidth();
}
public Missile(Texture missileTexture, Vector direction)
{
Sprite.Texture = missileTexture;
// Some default values
Dead = false;
Direction = direction;
Speed = 512; // pixels per second
Damage = 10;
}
public override void OnCollision(IEntity entity, Vector amount)
{
if (entity.GetType() == typeof (Eyeball))
{
return;
}
Dead = true;
//Sprite.SetColor(new Color(0, 0, 1, 1));
}
public Vector MeasureFont(string text, double maxWidth)
{
Vector dimensions = new Vector();
foreach (char c in text)
{
CharacterData data = characterData[c];
dimensions.X += data.XAdvance;
dimensions.Y = Math.Max(dimensions.Y, data.Height + data.YOffset);
}
return dimensions;
}
public Player(Game game, Vector position, Vector velocity, Dictionary<string, Sprite> sprites, string defaultSprite, IController controller, //GameObject attributes
WorldPhysics worldPhysics, ObjectPhysics objectPhysics, Dictionary<string, BoundingPolygon> boundingPolygons, //PhysicalObject attributes
double runSpeed, double maxSpeed, //Character attributes
PlayerState state)
: base(game, position, velocity, sprites, defaultSprite, controller, worldPhysics, objectPhysics, boundingPolygons, runSpeed, maxSpeed)
{
oldFriction = objectPhysics.Friction;
PlayerState = state;
invincibleTimer.Start();
}
/// <summary>
/// Constructs an enemy given the texture and AI (IEnemyBrain)
/// </summary>
/// <param name="texture">The texture for the enemy</param>
/// <param name="enemyBrain">The AI for the enemy</param>
/// <param name="position">The spawn point for this enemy</param>
public EastWestSkeleton(Texture texture, IEnemyBrain enemyBrain, Vector position)
: base(texture, enemyBrain, position)
{
Health = 15;
Damage = 10;
Sprite.SetScale(1.8, 1.8);
Speed = 200;
MaxTimeToShoot = 12;
MinTimeToShoot = 1;
RestartShootCountDown();
}
public Mushroom(Game game,
Vector position,
Dictionary<string, Sprite> sprites, string defaultSprite,
WorldPhysics worldPhysics, ObjectPhysics objectPhysics,
Dictionary<string, BoundingPolygon> polygons,
ItemType itemType)
: base(game, position, new Vector(0,0), sprites, defaultSprite, new DumbGroundAI(), worldPhysics, objectPhysics, polygons)
{
CurrentSprite.PlayAnimation(Sprite.DEFAULT_ANIMATION, true);
MushroomType = itemType;
}
private Vector CalculateCatmullRom(double t, Vector p1, Vector p2, Vector p3, Vector p4)
{
double t2 = t*t;
double t3 = t2*t;
double b1 = 0.5*(-t3 + 2*t2 - t);
double b2 = 0.5*(3*t3 - 5*t2 + 2);
double b3 = 0.5*(-3*t3 + 4*t2 + t);
double b4 = 0.5*(t3 - t2);
return (p1*b1 + p2*b2 + p3*b3 + p4*b4);
}
public void Move(Vector amount, bool _setPosition)
{
amount *= _speed;
if (!_setPosition)
{
_sprite.SetPosition(_sprite.GetPosition() + amount);
}
else
{
_sprite.SetPosition(_sprite.GetPosition());
}
}
