} /* push_down() */
/***********************************************************
*
* Method:
* push_up
*
* Description:
* Determines if character is on ground or air.
*
***********************************************************/
public void push_up(character_type c)
{
int y = ((c.physics.position.y >> 12) + c.physics.hit_box.Height) / Blocks.size.Height;
c.ground_status = char_status_enum.GROUND;
c.physics.position.y = (((y * Blocks.size.Height) - c.physics.hit_box.Height) + 1) << 12;
} /* push_up() */
} /* push_right() */
/***********************************************************
*
* Method:
* push_left
*
* Description:
* Push the character down one block.
*
***********************************************************/
private void push_left(character_type c)
{
int x = ((c.physics.position.x >> 12) + c.physics.hit_box.Width) / Blocks.size.Width;
c.physics.acceleration.x = 0;
c.physics.velocity.x = 0;
c.physics.position.x = (((x * Blocks.size.Width) - c.physics.hit_box.Width) << 12) - 1;
} /* push_left() */
} /* push_up() */
/***********************************************************
*
* Method:
* push_right
*
* Description:
* Push the character left one block.
*
***********************************************************/
private void push_right(character_type c)
{
int x = (c.physics.position.x >> 12) / Blocks.size.Width + 1;
c.physics.acceleration.x = 0;
c.physics.velocity.x = 0;
c.physics.position.x = (x * Blocks.size.Width) << 12;
} /* push_right() */
} /* update_hit_box() */
/***********************************************************
*
* Method:
* push_down
*
* Description:
* Push the character down one block.
*
***********************************************************/
private void push_down(character_type c)
{
int y = ((c.physics.position.y >> 12) / Blocks.size.Height) + 1;
c.physics.acceleration.y = 0;
c.physics.velocity.y = 0;
c.physics.position.y = (y * Blocks.size.Height) << 12;
c.ground_status = char_status_enum.AIR;
} /* push_down() */
/***********************************************************
*
* Method:
* update_hit_box
*
* Description:
* Determines if character is on ground or air.
*
***********************************************************/
private void update_hit_box(character_type c)
{
/*----------------------------------------------------------
* Local variables
* ----------------------------------------------------------*/
int[] x = new int[2];
int[] y = new int[2];
int suby;
/*----------------------------------------------------------
* Update y position and find character boundaries
* ----------------------------------------------------------*/
c.physics.position.y += c.physics.velocity.y;
x[0] = (c.physics.position.x >> 12) / Blocks.size.Width;
x[1] = ((c.physics.position.x >> 12) + c.physics.hit_box.Width) / Blocks.size.Width;
y[0] = ((c.physics.position.y >> 12) + c.physics.hit_box.Height) / Blocks.size.Height;
y[1] = (c.physics.position.y >> 12) / Blocks.size.Height;
prev_location = c.ground_status;
/*----------------------------------------------------------
* Check for y collisions
* ----------------------------------------------------------*/
if (contains_block(x, y[1]))
{
int x_hit;
push_down(c);
if (contains_block(x[1], y[1]) && model.level.mario.facing_right())
{
x_hit = x[1];
}
else if (contains_block(x[0], y[1]) && !model.level.mario.facing_right())
{
x_hit = x[0];
}
else if (contains_block(x[1], y[1]))
{
x_hit = x[1];
}
else
{
x_hit = x[0];
}
if (model.level.map.blocks[x_hit, y[1]].hit_bottom())
{
c.physics.velocity.y = MarioPhysics.vy_hard_block;
}
}
else if (contains_block(x, y[0]))
{
push_up(c);
}
else
{
c.ground_status = char_status_enum.AIR;
}
/*----------------------------------------------------------
* Update x position and find character boundaries
* ----------------------------------------------------------*/
c.physics.position.x += c.physics.velocity.x;
x[0] = (c.physics.position.x >> 12) / Blocks.size.Width;
x[1] = ((c.physics.position.x >> 12) + c.physics.hit_box.Width) / Blocks.size.Width;
y[0] = ((c.physics.position.y >> 12) + c.physics.hit_box.Height) / Blocks.size.Height;
y[1] = (c.physics.position.y >> 12) / Blocks.size.Height;
suby = (c.physics.position.y >> 12) % Blocks.size.Height;
if (c.ground_status == char_status_enum.GROUND)
{
y[0]--;
}
/*----------------------------------------------------------
* Check for x collisions
* ----------------------------------------------------------*/
if (contains_block(x[0], y))
{
push_right(c);
}
else if (contains_block(x[1], y))
{
push_left(c);
/*----------------------------------------------------------
* Check for entering a horizontal pipe
* ----------------------------------------------------------*/
if ((c.ground_status == char_status_enum.GROUND) &&
(model.game_status == game_status_enum.gameplay) &&
(KeyBinding.D_RIGHT_pressed) &&
(model.level.map.blocks[x[1], y[0]] != null) &&
(model.level.map.blocks[x[1], y[0]].GetType() == typeof(block_pipe_type)))
{
block_pipe_type p = (block_pipe_type)model.level.map.blocks[x[1], y[0]];
if (p.pipe.is_linked(c.physics.position.x, y[0] << 16))
{
model.game_status = game_status_enum.pipe_transition;
pipe_entered = p.pipe;
init_frame = Animations.frame_count;
model.pipe_status = pipe_status_enum.ENTER;
}
}
}
} /* update_hit_box() */
