/// <summary>
/// Update state, must be called once in each game loop
/// </summary>
/// <param name="world"></param>
/// <param name="frame"></param>
public override void Update(World world)
{
Orientation motion = Orientation.None;
base.Update(world);
switch (state)
{
case State.Stand:
break;
case State.Walk:
break;
case State.Jump:
break;
case State.Fall:
break;
case State.Crouch:
break;
}
/* andar o correr */
if (floor)
{
if (Graphics.Window.GetInput(Input.Button_A))
{
targetSpeed = runSpeed;
aspeed = 4;
}
else
{
targetSpeed = runSpeed / 2;
aspeed = 6;
}
}
/* andar a la derecha */
if (Graphics.Window.GetInput(Input.Right))
{
motion = orientation = Orientation.Right;
xspeed += dvx;
if (xspeed > targetSpeed)
{
xspeed = targetSpeed;
}
}
else if (floor && xspeed > 0)
{
xspeed -= dvx;
if (xspeed < 0)
{
xspeed = 0;
}
}
/* andar a la izquierda */
if (Graphics.Window.GetInput(Input.Left))
{
motion = orientation = Orientation.Left;
xspeed -= dvx;
if (xspeed < -targetSpeed)
{
xspeed = -targetSpeed;
}
}
else if (floor && xspeed < 0)
{
xspeed += dvx;
if (xspeed > 0)
{
xspeed = 0;
}
}
/* iniciar salto */
if (Graphics.Window.GetInput(Input.Button_B))
{
if (!jumping && floor)
{
jumping = true;
t0Jump = frame;
}
}
else if (jumping)
{
jumping = false;
}
/* salto */
if (jumping && frame - t0Jump < timeJump)
{
yspeed = -jumpSpeed;
}
/* gravedad */
else if (!floor)
{
yspeed += dvy;
if (yspeed > fallSpeed)
{
yspeed = fallSpeed;
}
}
/* posicion actual */
int oldx = Fixed.Get(x_fix);
int oldy = Fixed.Get(y_fix);
/* actualiza posicion */
x_fix += xspeed;
y_fix += yspeed;
x = Fixed.Get(x_fix);
y = Fixed.Get(y_fix);
int tmpx = x;
int tmpy = y;
/* ajusta posición final */
if (x < 0)
{
x = 0;
xspeed = 0;
}
else if (x > world.Width - 16)
{
x = world.Width - 16;
xspeed = 0;
}
/* salto */
if (y < oldy)
{
floor = false;
int[] points = { 4, 12 };
int c;
for (c = 0; c < points.Length; c++)
{
World.Tile tile = world.GetTile(x + points[c], y);
if (tile.Type == World.Type.Solid || tile.Type == World.Type.Question)
{
y = (y + 16) & ~15;
yspeed = 0;
t0Jump = 0;
if (tile.Type == World.Type.Question)
{
new Bumper(world, Game.objects, 0, tile.Row, tile.Col, 51);
}
}
else if (tile.Type == World.Type.Coin)
{
world.ClearTile(tile.Row, tile.Col);
new Collect(world, tile.Col * 16, tile.Row * 16);
Game.AddCoin();
}
}
}
/* reposo/caída */
else
{
int[] points = { 4, 12 };
int c;
World.Tile tile;
floor = false;
for (c = 0; c < points.Length; c++)
{
tile = world.GetTile(x + points[c], y + height);
if (tile.Type == World.Type.Solid || tile.Type == World.Type.OneWay || tile.Type == World.Type.Question)
{
y &= ~15;
floor = true;
yspeed = 0;
}
else if (tile.Type == World.Type.Coin)
{
world.ClearTile(tile.Row, tile.Col);
new Collect(world, tile.Col * 16, tile.Row * 16);
Game.AddCoin();
}
}
}
/* izquierda */
if (x < oldx)
{
int[] points = { 0, 8, 16, 24, 31 };
int c;
for (c = 0; c < points.Length; c++)
{
World.Tile tile = world.GetTile(x, y + points[c]);
if (tile.Type == World.Type.Solid || tile.Type == World.Type.Question)
{
x = (x + 16) & ~15;
xspeed = 0;
}
else if (tile.Type == World.Type.Coin)
{
world.ClearTile(tile.Row, tile.Col);
new Collect(world, tile.Col * 16, tile.Row * 16);
Game.AddCoin();
}
}
}
/* derecha */
else if (x > oldx)
{
int[] points = { 0, 8, 16, 24, 31 };
int c;
for (c = 0; c < points.Length; c++)
{
World.Tile tile = world.GetTile(x + width, y + points[c]);
if (tile.Type == World.Type.Solid || tile.Type == World.Type.Question)
{
x &= ~15;
xspeed = 0;
}
else if (tile.Type == World.Type.Coin)
{
world.ClearTile(tile.Row, tile.Col);
new Collect(world, tile.Col * 16, tile.Row * 16);
Game.AddCoin();
}
}
}
/* reajusta fix si se ha corregido */
if (tmpx != x)
{
x_fix = Fixed.Set(x);
}
if (tmpy != y)
{
y_fix = Fixed.Set(y);
}
/* actualiza mundo */
if (xspeed > 0)
{
if (x - world.X > 160)
{
world.X = x - 160;
}
if (world.X + Graphics.Hres > world.Width)
{
world.X = world.Width - Graphics.Hres;
}
}
else if (xspeed < 0)
{
if (x - world.X < 120)
{
world.X = x - 120;
}
if (world.X < 0)
{
world.X = 0;
}
}
/* dibuja */
if (orientation == Orientation.Right)
{
flags &= ~TileFlags.FlipX;
}
else if (orientation == Orientation.Left)
{
flags |= TileFlags.FlipX;
}
sprite.Flags = flags;
sprite.SetPosition(x - world.X, y - world.Y);
/* parado */
if (xspeed == 0 && yspeed == 0)
{
sprite.Picture = 0;
}
/* en salto */
else if (yspeed < 0)
{
sprite.Picture = 7;
}
/* en caída */
else if (yspeed > 0)
{
sprite.Picture = 8;
}
/* en carrera */
else if (orientation == Orientation.Right && xspeed > 0 || orientation == Orientation.Left && xspeed < 0)
{
sprite.Picture = (frame / aspeed) % 3;
}
/* frenado */
else
{
sprite.Picture = 9;
}
}