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Referencia del Archivo sprite.h

#include <SDL.h>
#include <action.h>
#include <object.h>

Definiciones
#define	obj_sprite(world, id, x, y, angle, lifetime, color)   object_init(sprite_init(world,id,x,y,angle,lifetime,color),&sprite_object_operations)
	Macro to make it easy to construct an object of a sprite.
Funciones
sprite	sprite_init (world, display display, id, int x, int y, int w, int h, int lifetime, char *bitmap)
	Initializes a sprite. Más...
void	sprite_destroy (sprite)
	Destroy a sprite object. Más...
int	sprite_step (sprite)
	A function part of the object operations. Más...
int	sprite_alive (sprite)
	A function part of the object operations. Más...
int	sprite_show (sprite)
	A function needed to create an object to attach to a world. Más...
int	sprite_action (sprite, SDL_Event *action)
	A function needed to create an object to attach to a world. Más...
Variables
object_operations	sprite_object_operations
	Template of the object_operation related with a sprite. Más...
object	sprite_obj_template
	Template of a sprite object. Más...

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Descripción detallada

Sprite object interface. Here a sprite is a thing that desn't do much more than simply display itself in the screen.

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Documentación de las funciones

sprite sprite_init (  world    world, display    display, id    id, int    x, int    y, int    w, int    h, int    lifetime, char *    spritef )

Initializes a sprite. Allocates the resorces needed by a sprite, loads the grapics. It must be called befor te use of any other function related to this sprite. Devuelve: A ready for use spriute. Parámetros: world  The world wich is attached to. display  A display to draw himself. id  The unique object id, needed for event passing. y  Y position relative to te left top corner of the display. x  X position relative to te left top corner of the display. w  The width of tyhe sprite. h  The heigth of tyhe sprite. lifetime  How many steps it has to exist. spritef  A graphic filename where the sprites are stored.

void sprite_destroy (  sprite    sprite )

Destroy a sprite object. It unallocates the resources used by the prite. Parámetros: sprite  A sprite.

int sprite_step (  sprite    sprite )

A function part of the object operations. It doesn't do anything. Bug: In fact, it doesn't have to do anything... All the work must be y sprite_show. Parámetros: sprite  A sprite.

int sprite_alive (  sprite    sprite )

A function part of the object operations. It checks if the sprite is still alive or active or running or being. Devuelve: -0 Not running -1 running Parámetros: sprite  A sprite.

int sprite_show (  sprite    sprite )

A function needed to create an object to attach to a world. Draw the sprite in the display. Parámetros: sprite  A sprite.

int sprite_action (  sprite    sprite, SDL_Event *    action )

A function needed to create an object to attach to a world. Dummy

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Documentación de las variables

struct object_operations sprite_object_operations

Valor inicial: { obj_step: &sprite_step, obj_action: &sprite_action, obj_alive: &sprite_alive, obj_destroy: &sprite_destroy } Template of the object_operation related with a sprite.

struct object sprite_obj_template

Valor inicial: { object_ops: &sprite_object_operations, } Template of a sprite object.

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