protected void UpdateX(ICollisionRectangle collisionRectangle,
IAccelerator accelerator,
Kinematics kinematicsX, Kinematics kinematicsY,
GameTime gameTime, Map map)
{
Update(collisionRectangle, accelerator,
kinematicsX, kinematicsY,
gameTime, map,
null,
kinematicsX, AxisType.XAxis);
}
protected void UpdateY(ICollisionRectangle collisionRectangle,
IAccelerator accelerator,
Kinematics kinematicsX, Kinematics kinematicsY,
GameTime gameTime, Map map,
BitArray maybeGroundTile)
{
Update(collisionRectangle, accelerator,
kinematicsX, kinematicsY,
gameTime, map,
maybeGroundTile,
kinematicsY, AxisType.YAxis);
}
public void Update(GameTime gameTime, Map map)
{
for (int i = 0; i < pickups.Count;)
{
if (pickups.ElementAt(i).Update(gameTime, map))
{
i++;
}
else
{
pickups.Remove(pickups.ElementAt(i));
}
}
}
CollisionInfo? TestMapBouncingCollision(Map map, Rectangle rectangle,
TileInfo.SideType direction, BitArray maybeGroundTile)
{
List<CollisionTile> tiles = map.GetCollidingTiles(rectangle, direction);
CollisionInfo? result = null;
for (int i = 0; i < tiles.Count; i++)
{
TileInfo.SideType side = TileInfo.OppositeSide(direction);
GameUnit perpendicularPosition;
if (TileInfo.Vertical(side))
{
perpendicularPosition = rectangle.Center.X;
}
else
{
perpendicularPosition = rectangle.Center.Y;
}
GameUnit leadingPosition = rectangle.Side(direction);
bool shouldTestSlopes = TileInfo.Vertical(side);
TestCollisionInfo testInfo = tiles[i].TestCollision(side, perpendicularPosition,
leadingPosition, shouldTestSlopes);
if (testInfo.isColliding)
{
bool shouldReplaceResult = true;
if (result.HasValue)
{
shouldReplaceResult = TileInfo.IsMin(side) ?
testInfo.position < result.Value.position :
testInfo.position > result.Value.position;
}
if (shouldReplaceResult)
{
CollisionInfo info = new CollisionInfo(testInfo.position, tiles[i].Position, tiles[i].TileType);
result = info;
}
}
}
return result;
}
private void Update(ICollisionRectangle collisionRectangle,
IAccelerator accelerator,
Kinematics kinematicsX, Kinematics kinematicsY,
GameTime gameTime, Map map,
BitArray maybeGroundTile,
Kinematics kinematics, AxisType axis)
{
Func<Map, Rectangle, TileInfo.SideType, BitArray, CollisionInfo?> testMapCollisionFunc;
if (collisionType == CollisionType.BouncingCollision)
{
testMapCollisionFunc = TestMapBouncingCollision;
}
else
{
testMapCollisionFunc = TestMapStickyCollision;
}
accelerator.UpdateVelocity(kinematics, gameTime);
GameUnit delta = kinematics.velocity * (float)gameTime.ElapsedGameTime.TotalMilliseconds;
TileInfo.SideType direction = axis == AxisType.XAxis ?
(delta > 0 ? TileInfo.SideType.RightSide : TileInfo.SideType.LeftSide) :
(delta > 0 ? TileInfo.SideType.BottomSide : TileInfo.SideType.TopSide);
CollisionInfo? maybeInfo = testMapCollisionFunc(map,
collisionRectangle.Collision(direction, kinematicsX.position, kinematicsY.position, delta),
direction, maybeGroundTile);
if (maybeInfo.HasValue)
{
kinematics.position = maybeInfo.Value.position - collisionRectangle.BoundingBox.Side(direction);
debugCollidingTiles.Add(maybeInfo.Value.tilePosition);
OnCollision(direction, true, maybeInfo.Value.tileType);
}
else
{
kinematics.position += delta;
OnDelta(direction);
}
maybeInfo = null;
TileInfo.SideType oppositeDirection = TileInfo.OppositeSide(direction);
maybeInfo = testMapCollisionFunc(map,
collisionRectangle.Collision(oppositeDirection, kinematicsX.position, kinematicsY.position, 0),
oppositeDirection, null);
if (maybeInfo.HasValue)
{
kinematics.position = maybeInfo.Value.position - collisionRectangle.BoundingBox.Side(oppositeDirection);
debugOppositeCollidingTiles.Add(maybeInfo.Value.tilePosition);
OnCollision(oppositeDirection, false, maybeInfo.Value.tileType);
}
}
CollisionInfo? TestMapStickyCollision(Map map, Rectangle rectangle,
TileInfo.SideType direction, BitArray maybeGroundTile)
{
List<CollisionTile> tiles = map.GetCollidingTiles(rectangle, direction);
for (int i = 0; i < tiles.Count; i++)
{
TileInfo.SideType side = TileInfo.OppositeSide(direction);
GameUnit perpendicularPosition;
if (TileInfo.Vertical(side))
{
perpendicularPosition = rectangle.Center.X;
}
else
{
perpendicularPosition = rectangle.Center.Y;
}
GameUnit leadingPosition = rectangle.Side(direction);
bool shouldTestSlopes = TileInfo.Vertical(side);
TestCollisionInfo testInfo = tiles[i].TestCollision(side, perpendicularPosition,
leadingPosition, shouldTestSlopes);
if (testInfo.isColliding)
{
CollisionInfo info = new CollisionInfo(testInfo.position, tiles[i].Position, tiles[i].TileType);
return info;
}
else if (maybeGroundTile != null && direction == TileInfo.SideType.BottomSide)
{
BitArray tallSlope = TileInfo.CreateTileType();
tallSlope.Set((int)TileInfo.TileFlag.Slope, true);
tallSlope.Set((int)TileInfo.TileFlag.TallSlope, true);
if ((maybeGroundTile[(int)TileInfo.TileFlag.Slope] && tiles[i].TileType[(int)TileInfo.TileFlag.Slope]) ||
(maybeGroundTile[(int)TileInfo.TileFlag.Wall] &&
(tallSlope.And(tiles[i].TileType).Equals(tallSlope))))
{
CollisionInfo info = new CollisionInfo(testInfo.position, tiles[i].Position, tiles[i].TileType);
return info;
}
}
}
return null;
}
public void UpdateY(GameTime gameTime, Map map)
{
IAccelerator accelerator = jumpActive && kinematicsY.velocity < 0 ? JumpGravityAccelerator : ConstantAccelerator.Gravity;
UpdateY(collisionRectangle, accelerator, kinematicsX, kinematicsY, gameTime, map, maybeGroundTile);
}
public void UpdateX(GameTime gameTime, Map map)
{
IAccelerator accelerator;
if (OnGround)
{
if (accelerationX == 0)
{
accelerator = FrictionAccelerator;
}
else if (accelerationX < 0)
{
accelerator = WalkingAccelerators.negative;
}
else
{
accelerator = WalkingAccelerators.positive;
}
}
else
{
if (accelerationX == 0)
{
accelerator = ZeroAccelerator.Zero;
}
else if (accelerationX < 0)
{
accelerator = AirAccelerators.negative;
}
else
{
accelerator = AirAccelerators.positive;
}
}
UpdateX(collisionRectangle, accelerator, kinematicsX, kinematicsY, gameTime, map);
}
public void Update(GameTime gameTime, Map map)
{
sprites[SpriteState].Update();
playerHealth.Update(gameTime);
walkingAnimation.Update();
polarStar.UpdateProjectiles(gameTime, map, particleTools);
UpdateX(gameTime, map);
UpdateY(gameTime, map);
experienceText.Update(gameTime);
experienceText.SetPosition(CenterX, CenterY);
}
/// <summary>
/// Returns true if projectile is still alive
/// </summary>
/// <param name="gameTime"></param>
/// <returns>True if projectile is still alive</returns>
public bool Update(GameTime gameTime, Map map, ParticleTools particleTools)
{
offset += (float)gameTime.ElapsedGameTime.TotalMilliseconds * ProjectileSpeed;
TileInfo.SideType direction = TileInfo.FromFacing(horizontalDirection, verticalDirection);
Rectangle rectangle = CollisionRectangle;
List<CollisionTile> collidingTiles = map.GetCollidingTiles(rectangle, direction);
for (int i = 0; i < collidingTiles.Count; i++)
{
TileInfo.SideType side = TileInfo.OppositeSide(direction);
GameUnit perpendicularPosition = TileInfo.Vertical(side) ?
rectangle.Center.X : rectangle.Center.Y;
GameUnit leadingPosition = rectangle.Side(direction);
bool shouldTestSlopes = true;
TestCollisionInfo testInfo = collidingTiles[i].TestCollision(side, perpendicularPosition,
leadingPosition, shouldTestSlopes);
if (testInfo.isColliding)
{
GameUnit collisionX;
if (TileInfo.Vertical(side))
{
collisionX = perpendicularPosition;
}
else
{
collisionX = testInfo.position;
}
GameUnit collisionY;
if (TileInfo.Vertical(side))
{
collisionY = testInfo.position;
}
else
{
collisionY = perpendicularPosition;
}
particleTools.FrontSystem.AddNewParticle(ProjectileWallParticle.Create(particleTools.Content,
collisionX - Units.HalfTile, collisionY - Units.HalfTile));
return false;
}
}
if (!alive)
{
return false;
}
else if (offset >= ProjectileMaxOffsets[gunLevel - 1])
{
particleTools.FrontSystem.AddNewParticle(ProjectileStarParticle.Create(particleTools.Content, X, Y));
return false;
}
else
{
return true;
}
}
public void UpdateProjectiles(GameTime gameTime, Map map, ParticleTools particleTools)
{
if (projectileA != null)
{
if (!projectileA.Update(gameTime, map, particleTools))
{
projectileA = null;
}
}
if (projectileB != null)
{
if (!projectileB.Update(gameTime, map, particleTools))
{
projectileB = null;
}
}
}
public static Map CreateSlopeTestMap(ContentManager Content)
{
Map map = new Map();
map.backdrop = new FixedBackdrop("bkBlue", Content);
TileUnit numRows = 15;
TileUnit numCols = 20;
map.tiles = new List<List<Tile>>();
for (int i = 0; i < numRows; i++)
{
map.backgroundTiles.Add(new List<Sprite>());
map.tiles.Add(new List<Tile>());
for (int j = 0; j < numCols; j++)
{
map.backgroundTiles[i].Add(null);
map.tiles[i].Add(new Tile());
}
}
BitArray tmp = TileInfo.CreateTileType();
tmp.Set((int)TileInfo.TileFlag.Wall, true);
Tile wallTile = new Tile(tmp, new Sprite(Content, "Stage/PrtCave", Units.TileToPixel(1), 0, Units.TileToPixel(1), Units.TileToPixel(1)));
Tile[] slopeTiles = new Tile[(int)SlopeTiles.NumSlopes];
for (int i = 0; i < (int)SlopeTiles.NumSlopes; i++)
{
BitArray a = TileInfo.CreateTileType();
a.Set((int)TileInfo.TileFlag.Slope, true);
a.Set(i / 2 % 2 == 0 ? (int)TileInfo.TileFlag.LeftSlope : (int)TileInfo.TileFlag.RightSlope, true);
a.Set(i / 4 == 0 ? (int)TileInfo.TileFlag.TopSlope : (int)TileInfo.TileFlag.BottomSlope, true);
a.Set((i + 1) / 2 % 2 == 0 ? (int)TileInfo.TileFlag.TallSlope : (int)TileInfo.TileFlag.ShortSlope, true);
slopeTiles[i] = new Tile(a, new Sprite(Content, "Stage/PrtCave",
Units.TileToPixel((uint)(2 + i % 4)), Units.TileToPixel((uint)(i / 4)),
Units.TileToPixel(1), Units.TileToPixel(1)));
}
TileUnit row = 11;
TileUnit col;
for (col = 0; col < numCols; col++)
{
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col)] = wallTile;
}
row--;
col = 0;
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = wallTile;
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.LBT];
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.RBT];
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = wallTile;
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.LBS];
col++;
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.RBS];
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.RBT];
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = wallTile;
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.LBT];
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.LBS];
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.RBS];
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.RBT];
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col)] = wallTile;
map.tiles[Convert.ToInt32(row - 1)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.RBS];
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col)] = wallTile;
map.tiles[Convert.ToInt32(row - 1)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.RBT];
map.tiles[Convert.ToInt32(row - 1)][Convert.ToInt32(col++)] = wallTile;
col++;
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.RBS];
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = wallTile;
col = 0;
row -= 3;
map.tiles[Convert.ToInt32(row - 1)][Convert.ToInt32(col)] = wallTile;
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = wallTile;
map.tiles[Convert.ToInt32(row - 1)][Convert.ToInt32(col)] = wallTile;
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.LTT];
map.tiles[Convert.ToInt32(row - 1)][Convert.ToInt32(col)] = wallTile;
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.LTS];
map.tiles[Convert.ToInt32(row - 1)][Convert.ToInt32(col)] = wallTile;
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.RTS];
map.tiles[Convert.ToInt32(row - 1)][Convert.ToInt32(col)] = wallTile;
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = slopeTiles[(int)SlopeTiles.RTT];
map.tiles[Convert.ToInt32(row - 1)][Convert.ToInt32(col)] = wallTile;
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col++)] = wallTile;
return map;
}
public static Map CreateTestMap(ContentManager Content)
{
Map map = new Map();
map.backdrop = new FixedBackdrop("bkBlue", Content);
TileUnit numRows = 15;
TileUnit numCols = 20;
map.tiles = new List<List<Tile>>();
for (int i = 0; i < numRows; i++)
{
map.backgroundTiles.Add(new List<Sprite>());
map.tiles.Add(new List<Tile>());
for (int j = 0; j < numCols; j++)
{
map.backgroundTiles[i].Add(null);
map.tiles[i].Add(new Tile());
}
}
Sprite sprite = new Sprite(Content, "Stage/PrtCave", Units.TileToPixel(1), 0, Units.TileToPixel(1), Units.TileToPixel(1));
BitArray tmp = TileInfo.CreateTileType();
tmp.Set((int)TileInfo.TileFlag.Wall, true);
Tile tile = new Tile(tmp, sprite);
TileUnit row = 11;
for (TileUnit col = 0; col < numCols; col++)
{
map.tiles[Convert.ToInt32(row)][Convert.ToInt32(col)] = tile;
}
map.tiles[10][5] = tile;
map.tiles[9][4] = tile;
map.tiles[8][3] = tile;
map.tiles[7][2] = tile;
map.tiles[10][3] = tile;
Sprite chainTop = new Sprite(Content, "Stage/PrtCave", Units.TileToPixel(11), Units.TileToPixel(2),
Units.TileToPixel(1), Units.TileToPixel(1));
Sprite chainMiddle = new Sprite(Content, "Stage/PrtCave", Units.TileToPixel(12), Units.TileToPixel(2),
Units.TileToPixel(1), Units.TileToPixel(1));
Sprite chainBottom = new Sprite(Content, "Stage/PrtCave", Units.TileToPixel(13), Units.TileToPixel(2),
Units.TileToPixel(1), Units.TileToPixel(1));
map.backgroundTiles[8][2] = chainTop;
map.backgroundTiles[9][2] = chainMiddle;
map.backgroundTiles[10][2] = chainBottom;
return map;
}
public bool Update(GameTime gameTime, Map map)
{
sprite.Update();
UpdateX(CollisionRectangles[(int)size], Friction,
kinematicsX, kinematicsY, gameTime, map);
UpdateY(CollisionRectangles[(int)size], ConstantAccelerator.Gravity,
kinematicsX, kinematicsY, gameTime, map, null);
return timer.Active;
}
public bool Update(GameTime gameTime, Map map)
{
flashPeriod = timer.CurrentTime < FlickerTime ?
TimeSpan.FromMilliseconds(FlashInterpolation * timer.CurrentTime.TotalMilliseconds + StartPeriod.TotalMilliseconds) :
FlickerPeriod;
return timer.Active;
}
protected override void LoadContent()
{
spriteBatch = new SpriteBatch(graphics.GraphicsDevice);
frontParticleSystem = new ParticleSystem();
entityParticleSystem = new ParticleSystem();
particleTools = new ParticleTools(frontParticleSystem, entityParticleSystem, Content);
player = new Player(Content, particleTools, Units.TileToGame(ScreenWidth / 2), Units.TileToGame(ScreenHeight / 2));
damageTexts.AddDamageable(player);
bat = new FirstCaveBat(Content, Units.TileToGame(7), Units.TileToGame(ScreenHeight / 2 + 1));
damageTexts.AddDamageable(bat);
map = Map.CreateSlopeTestMap(Content);
pickups.Add(new PowerDoritoPickup(Content, bat.CenterX, bat.CenterY, PowerDoritoPickup.SizeType.Medium));
pickups.Add(new PowerDoritoPickup(Content, bat.CenterX, bat.CenterY, PowerDoritoPickup.SizeType.Medium));
pickups.Add(new PowerDoritoPickup(Content, bat.CenterX, bat.CenterY, PowerDoritoPickup.SizeType.Medium));
base.LoadContent();
}
