public static Vector2 MovePos(Vector2 position, float width, float height, Vector2 velocity, Room room, out bool collided)
{
collided = false;
if (velocity == Vector2.Zero)
{
return position;
}
while (velocity != Vector2.Zero)
{
Hitbox box = new Hitbox(position, width, height);
CollideLine? collision = GetNextCollision(box, velocity, room);
float distance = collision.HasValue ? collision.Value.distance : velocity.Length();
Vector2 move = velocity;
move.Normalize();
move *= distance;
position += move;
velocity -= move;
if (collision.HasValue)
{
switch (collision.Value.type)
{
case CollideType.X:
velocity.X = 0f;
break;
case CollideType.Y:
velocity.Y = 0f;
break;
}
collided = true;
}
}
return position;
}
public void UpdateEnemy(Room room, Player player)
{
if (hurtCool > 0)
{
hurtCool--;
}
Update(room, player);
}
public override void Initialize(Main main)
{
base.Initialize(main);
player = new Player();
player.position = new Vector2(tileSize * 1.5f, tileSize * 1.5f);
currentRoom = SetupLevel(player);
camera = player.position;
}
public override bool Update(Room room, Player player, ref Vector2 camera)
{
CameraEvent whichEvent = events[currentEvent];
if (currentEvent < events.Count - 1 && whichEvent.timer >= whichEvent.endAction)
{
currentEvent++;
}
return events[currentEvent].Update(room, player, ref camera);
}
public override sealed bool UpdateBullet(Room room, Player player)
{
if (timeLeft < totalTime * 3 / 4)
{
this.collision = true;
}
timeLeft--;
return timeLeft < 0;
}
public void ChangeRoom(Room room, Vector2 position)
{
if (currentRoom != null)
{
currentRoom.ExitRoom(player);
}
currentRoom = room;
player.position = position;
room.EnterRoom(player);
}
public override sealed bool Update(Room room, Player player)
{
if (UpdateBullet(room, player))
{
return true;
}
if (Collides(player))
{
player.TakeDamage(1);
}
return false;
}
private static CollideLine? GetNextCollision(Hitbox box, Vector2 velocity, Room room)
{
CollideLine? xLine = NextXCollision(box, velocity, room);
CollideLine? yLine = NextYCollision(box, velocity, room);
if (!xLine.HasValue)
{
return yLine;
}
if (!yLine.HasValue)
{
return xLine;
}
return xLine.Value.distance < yLine.Value.distance ? xLine : yLine;
}
public void Update(Room room)
{
if (Main.IsControlPressed(KeyControl.Debug))
{
debug = !debug;
}
if (Attacking)
{
attackTimer--;
}
if (!Attacking && Main.IsControlPressed(KeyControl.Action))
{
Action(room);
}
if (Attacking)
{
Attack(room);
}
else
{
Move(room);
}
Hitbox box = hitbox;
int left = (int)Math.Floor(box.topLeft.X / Tile.tileSize);
int right = (int)Math.Ceiling(box.topRight.X / Tile.tileSize);
int top = (int)Math.Floor(box.topLeft.Y / Tile.tileSize);
int bottom = (int)Math.Ceiling(box.bottomLeft.Y / Tile.tileSize);
for (int x = left; x < right; x++)
{
for (int y = top; y < bottom; y++)
{
Puzzle puzzle = room.tiles[x, y].puzzle;
if (puzzle != null)
{
puzzle.OnPlayerCollide(room, x, y, this);
}
}
}
if (invincible > 0)
{
invincible--;
}
}
public override sealed bool UpdateBullet(Room room, Player player)
{
Vector2 oldPos = position;
UpdateVelocity(room, player);
if (wallCollide)
{
bool collided;
TopLeft = Collision.MovePos(TopLeft, size, size, velocity, room, out collided);
if (collided)
{
return true;
}
}
else
{
position += velocity;
}
PostUpdate(room, player);
timeLeft--;
return timeLeft < 0;
}
public bool TakeDamage(int damage, Room room, Player player)
{
if (CanBeHit)
{
life -= damage;
if (life <= 0)
{
Kill(room, player);
return true;
}
if (boss)
{
hurtCool = 180;
room.bullets.Clear();
}
else
{
hurtCool = 60;
}
}
return false;
}
public virtual bool Update(Room room, Player player, ref Vector2 camera)
{
if (timer == 0 && camera != targetPos)
{
Vector2 offset = targetPos - camera;
if (offset.Length() < speed)
{
camera = targetPos;
}
else
{
offset.Normalize();
offset *= speed;
camera += offset;
}
}
else if (timer < endAction)
{
timer++;
if (timer >= 30 && timer < 30 + actionLength)
{
DoAction(room, player, timer - 30);
}
}
else
{
Vector2 offset = player.position - camera;
if (offset.Length() < speed)
{
camera = player.position;
return true;
}
offset.Normalize();
offset *= speed;
camera += offset;
}
return false;
}
public MonsterRoom(Room room, CreateStartEvent createStart, Vector2 spawnEnemyCamera,
CreateEnemiesEvent createEnemies, CreateEndEvent createEnd)
{
this.CreateStart = createStart;
this.spawnEnemyCamera = spawnEnemyCamera;
this.CreateEnemies = createEnemies;
this.enemies = new List<Enemy>();
this.CreateEnd = createEnd;
this.cleared = false;
room.OnExit += (Room r, Player player) => this.enemies.Clear();
}
public virtual void Initialize(Room room, int x, int y)
{
}
public virtual void OnPlayerCollide(Room room, int x, int y, Player player)
{
}
public abstract void Update(Room room, Player player);
private static CollideLine? NextXCollision(Hitbox box, Vector2 velocity, Room room)
{
if (velocity.X > 0f)
{
int x = (int)Math.Ceiling(box.topRight.X / tileSize);
x = Math.Max(x, 0);
int end = (int)Math.Floor((box.topRight.X + velocity.X) / tileSize);
while (x <= end && x < room.width)
{
float xDistance = tileSize * x - box.topRight.X;
float yDistance = xDistance / velocity.X * velocity.Y;
int y = (int)Math.Floor((box.topRight.Y + yDistance) / tileSize);
y = Math.Max(y, 0);
int yEnd = (int)Math.Ceiling((box.bottomRight.Y + yDistance) / tileSize) - 1;
while (y <= yEnd && y < room.height)
{
if (SolidTile(room.tiles[x, y]))
{
return new CollideLine
{
type = CollideType.X,
position = x * tileSize,
start = y * tileSize,
end = (y + 1) * tileSize,
distance = (float)Math.Sqrt(xDistance * xDistance + yDistance * yDistance)
};
}
y++;
}
x++;
}
}
else if (velocity.X < 0f)
{
int x = (int)Math.Floor(box.topLeft.X / tileSize);
x = Math.Min(x, room.width);
int end = (int)Math.Ceiling((box.topLeft.X + velocity.X) / tileSize);
while (x >= end && x > 0)
{
float xDistance = tileSize * x - box.topLeft.X;
float yDistance = xDistance / velocity.X * velocity.Y;
int y = (int)Math.Floor((box.topLeft.Y + yDistance) / tileSize);
y = Math.Max(y, 0);
int yEnd = (int)Math.Ceiling((box.bottomLeft.Y + yDistance) / tileSize) - 1;
while (y <= yEnd && y < room.height)
{
if (SolidTile(room.tiles[x - 1, y]))
{
return new CollideLine
{
type = CollideType.X,
position = x * tileSize,
start = y * tileSize,
end = (y + 1) * tileSize,
distance = (float)Math.Sqrt(xDistance * xDistance + yDistance * yDistance)
};
}
y++;
}
x--;
}
}
return null;
}
public virtual void PostUpdate(Room room, Player player) { }
public virtual void UpdateVelocity(Room room, Player player) { }
public void Kill(Room room, Player player)
{
if (OnDeath != null)
{
OnDeath(this, room, player);
}
room.enemies.Remove(this);
}
public abstract bool UpdateBullet(Room room, Player player);
private static CollideLine? NextYCollision(Hitbox box, Vector2 velocity, Room room)
{
if (velocity.Y > 0f)
{
int y = (int)Math.Ceiling(box.bottomLeft.Y / tileSize);
y = Math.Max(y, 0);
int end = (int)Math.Floor((box.bottomLeft.Y + velocity.Y) / tileSize);
while (y <= end && y < room.height)
{
float yDistance = tileSize * y - box.bottomLeft.Y;
float xDistance = yDistance / velocity.Y * velocity.X;
int x = (int)Math.Floor((box.bottomLeft.X + xDistance) / tileSize);
x = Math.Max(x, 0);
int xEnd = (int)Math.Ceiling((box.bottomRight.X + xDistance) / tileSize) - 1;
while (x <= xEnd && x < room.width)
{
if (SolidTile(room.tiles[x, y]))
{
return new CollideLine
{
type = CollideType.Y,
position = y * tileSize,
start = x * tileSize,
end = (x + 1) * tileSize,
distance = (float)Math.Sqrt(xDistance * xDistance + yDistance * yDistance)
};
}
x++;
}
y++;
}
}
else if (velocity.Y < 0f)
{
int y = (int)Math.Floor(box.topLeft.Y / tileSize);
y = Math.Min(y, room.height);
int end = (int)Math.Ceiling((box.topLeft.Y + velocity.Y) / tileSize);
while (y >= end && y > 0)
{
float yDistance = tileSize * y - box.topLeft.Y;
float xDistance = yDistance / velocity.Y * velocity.X;
int x = (int)Math.Floor((box.bottomLeft.X + xDistance) / tileSize);
x = Math.Max(x, 0);
int xEnd = (int)Math.Ceiling((box.bottomRight.X + xDistance) / tileSize) - 1;
while (x <= xEnd && x < room.width)
{
if (SolidTile(room.tiles[x, y - 1]))
{
return new CollideLine
{
type = CollideType.Y,
position = y * tileSize,
start = x * tileSize,
end = (x + 1) * tileSize,
distance = (float)Math.Sqrt(xDistance * xDistance + yDistance * yDistance)
};
}
x++;
}
y--;
}
}
return null;
}
public virtual void Update(Room room, int x, int y, Player player)
{
}
public void Action(Room room)
{
Vector2 checkDirection = Helper.DirectionToVector2(direction);
float checkPosOffset = size;
if (checkDirection.X != 0f && checkDirection.Y != 0f)
{
checkPosOffset *= (float)Math.Sqrt(2);
}
Vector2 checkPos = position + checkPosOffset * checkDirection;
checkPos /= Tile.tileSize;
if (checkDirection.X > 0f && checkPos.X == (float)Math.Floor(checkPos.X))
{
checkPos.X -= 1f;
}
if (checkDirection.Y > 0f && checkPos.Y == (float)Math.Floor(checkPos.Y))
{
checkPos.Y -= 1f;
}
int x = (int)checkPos.X;
int y = (int)checkPos.Y;
Puzzle puzzle = room.tiles[x, y].puzzle;
if (puzzle != null && puzzle.PlayerInteraction(room, x, y, this))
{
return;
}
attackTimer = 15;
}
public virtual bool PlayerInteraction(Room room, int x, int y, Player player)
{
return false;
}
public void Attack(Room room)
{
if (!AttackCanDamage)
{
return;
}
float attackDir = Helper.DirectionToRotation(direction);
float angle1 = attackDir - 0.25f * (float)Math.PI;
float angle2 = attackDir + 0.25f * (float)Math.PI;
float reach = radius + attackDistance;
int i = 0;
while (i < room.enemies.Count)
{
Enemy enemy = room.enemies[i];
if (Collision.SectorCollides(position, reach, angle1, angle2, enemy.position, enemy.radius))
{
if (enemy.TakeDamage(1, room, this))
{
i--;
}
}
i++;
}
}
public void Move(Room room)
{
Vector2 velocity = Vector2.Zero;
if (Main.IsControlHeld(KeyControl.Up))
{
velocity.Y -= 1f;
}
if (Main.IsControlHeld(KeyControl.Down))
{
velocity.Y += 1f;
}
if (Main.IsControlHeld(KeyControl.Left))
{
velocity.X -= 1f;
}
if (Main.IsControlHeld(KeyControl.Right))
{
velocity.X += 1f;
}
if (velocity != Vector2.Zero)
{
velocity.Normalize();
if (Main.IsControlHeld(KeyControl.Focus))
{
velocity *= 1.5f;
}
else
{
velocity *= 4f;
}
Helper.GetDirection(velocity, ref direction);
bool collided;
TopLeft = Collision.MovePos(TopLeft, size, size, velocity, room, out collided);
}
}
public void DoAction(Room room, Player player)
{
List<CameraEvent> startEvents = CreateStart(room, player);
List<CameraEvent> endEvents = CreateEnd(room, player);
Enemy.DeathAction onDeath = (Enemy e, Room r, Player p) =>
{
enemies.Remove(e);
if (enemies.Count == 0)
{
r.cameraEvent = new CameraChainEvent(endEvents);
cleared = true;
}
};
startEvents.Add(new CameraEvent(spawnEnemyCamera, (Room r, Player p, int time) =>
{
CreateEnemies(r, p, enemies);
foreach (Enemy e in enemies)
{
e.temporary = true;
e.OnDeath += onDeath;
r.enemies.Add(e);
}
}));
room.cameraEvent = new CameraChainEvent(startEvents);
}
