SM2 Data Types

Sprite, Sprite-sheet, Frame, Cel, and FrameTag. More...

Collaboration diagram for SM2 Data Types:

Data Structures
struct	sm2_Cel
	Cel - The image of the sprite animation layer. More...
struct	sm2_Frame
	Frame - The frame of the sprite animation. More...
struct	sm2_SpriteSheet
	SpriteSheet - Whole animation frames and cels of a sprite sheet. More...
struct	sm2_FrameTag
	FrameTag - Definition of a range of animation frames. More...
struct	sm2_Sprite
	Sprite - Animation state of a sprite. More...
struct	sm2_Frame.cel_ids
	List of cel numbers for each layer. More...
struct	sm2_SpriteSheet.frames
	List of animation frames. More...
struct	sm2_SpriteSheet.cels
	List of whole cels. More...

Macros
#define	sm2_Slice(T)
	Macro for defining anonymous slice type of array.
#define	SM2_SLICE(a)

Typedefs
typedef struct sm2_Cel	sm2_Cel
	Cel - The image of the sprite animation layer.
typedef struct sm2_Frame	sm2_Frame
	Frame - The frame of the sprite animation.
typedef struct sm2_SpriteSheet	sm2_SpriteSheet
	SpriteSheet - Whole animation frames and cels of a sprite sheet.
typedef struct sm2_FrameTag	sm2_FrameTag
	FrameTag - Definition of a range of animation frames.
typedef struct sm2_Sprite	sm2_Sprite
	Sprite - Animation state of a sprite.

Enumerations
enum	SM2_Direction { SM2_FORWARD , SM2_REVERSE , SM2_PINGPONG , SM2_PINGPONG_REVERSE }
	Enumeration of animation direction. More...

Detailed Description

Sprite, Sprite-sheet, Frame, Cel, and FrameTag.

---

Data Structure Documentation

sm2_Cel

struct sm2_Cel

Cel - The image of the sprite animation layer.

Definition at line 58 of file sm2.h.

Data Fields
uint8_t	depth	Number of sprite planes required to display the sprite cel.
uint32_t	addr	Base address of image data (pattern, color table, and layout information).

sm2_Frame

struct sm2_Frame

Frame - The frame of the sprite animation.

Definition at line 73 of file sm2.h.

Data Fields
size_t	duration	Duration of animation frame in milliseconds.
struct sm2_Frame.cel_ids	cel_ids	List of cel numbers for each layer.

sm2_SpriteSheet

struct sm2_SpriteSheet

SpriteSheet - Whole animation frames and cels of a sprite sheet.

Definition at line 83 of file sm2.h.

Data Fields
struct sm2_SpriteSheet.frames	frames	List of animation frames.
struct sm2_SpriteSheet.cels	cels	List of whole cels.

sm2_FrameTag

struct sm2_FrameTag

FrameTag - Definition of a range of animation frames.

Definition at line 103 of file sm2.h.

Data Fields
uint8_t	from	1st frame number.
uint8_t	to	last frame number.
uint8_t	direction	Animation direction.
size_t	repeat	Number of repeats; 0 means inf.

sm2_Sprite

struct sm2_Sprite

Sprite - Animation state of a sprite.

Definition at line 113 of file sm2.h.

Collaboration diagram for sm2_Sprite:

Data Fields
const sm2_SpriteSheet *	sheet	Sprite sheet.
const sm2_FrameTag *	tag	Current range of animation frames.
uint8_t	curr_frame	Index of current frame.
uint8_t	curr_direction	Current animation direction; forward/reverse.
size_t	remaining_duration	Remaining duration of the current frame.
size_t	repeat	Repeat count; Number of loops finished.

sm2_Frame.cel_ids

struct sm2_Frame.cel_ids

List of cel numbers for each layer.

Definition at line 77 of file sm2.h.

Data Fields
const uint8_t *	ptr
uint8_t	len

sm2_SpriteSheet.frames

struct sm2_SpriteSheet.frames

List of animation frames.

Definition at line 85 of file sm2.h.

Data Fields
const sm2_Frame *	ptr
uint8_t	len

sm2_SpriteSheet.cels

struct sm2_SpriteSheet.cels

List of whole cels.

Definition at line 87 of file sm2.h.

Data Fields
const sm2_Cel *	ptr
uint8_t	len

Macro Definition Documentation

sm2_Slice

#define sm2_Slice

(

T

)

Value:

  struct {           \
    T * ptr;         \
    uint8_t len;     \
  }

Macro for defining anonymous slice type of array.

Parameters

T	element type

Definition at line 47 of file sm2.h.

SM2_SLICE

#define SM2_SLICE

(

a

)

Value:

{.ptr = (a), .len = sizeof(a)/sizeof((a)[0])}

Definition at line 53 of file sm2.h.

Typedef Documentation

sm2_Cel

typedef struct sm2_Cel sm2_Cel

Cel - The image of the sprite animation layer.

sm2_Frame

typedef struct sm2_Frame sm2_Frame

Frame - The frame of the sprite animation.

sm2_SpriteSheet

typedef struct sm2_SpriteSheet sm2_SpriteSheet

SpriteSheet - Whole animation frames and cels of a sprite sheet.

sm2_FrameTag

typedef struct sm2_FrameTag sm2_FrameTag

FrameTag - Definition of a range of animation frames.

sm2_Sprite

typedef struct sm2_Sprite sm2_Sprite

Sprite - Animation state of a sprite.

Enumeration Type Documentation

SM2_Direction

enum SM2_Direction

Enumeration of animation direction.

Enumerator
SM2_FORWARD
SM2_REVERSE
SM2_PINGPONG
SM2_PINGPONG_REVERSE

Definition at line 93 of file sm2.h.