GAME APPS: game environment management utilities

Data Structures
struct	GAME_ENV
	Game Environment structure. More...

Macros
#define	CPU_USE_FULL   -1
	full use of CPU
#define	CPU_USE_LESS   10
	wait more
#define	CPU_USE_NICE   0
	let the other process have some times
#define	GFX_FULLSCREEN   1
	display mode: fullscreen
#define	GFX_FULLSCREEN_WINDOW   2
	display mode: fullscreen windowed
#define	GFX_WINDOWED   0
	display mode: windowed

Functions
void	destroy_game_env (GAME_ENV **game)
	destroy a game environment
int	init_game_env (GAME_ENV **game)
	initialize a new game environment
GAME_ENV *	load_game_config (char *config_name)
	load a game config from file

Detailed Description

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Data Structure Documentation

GAME_ENV

struct GAME_ENV

Game Environment structure.

Definition at line 61 of file n_games.h.

Collaboration diagram for GAME_ENV:

Data Fields
int	BLUR	wanna blur effect ? ( 0 or 1 )
int	CPU_MODE	status of the cpu mode , CPU_USE_FULL by default
ALLEGRO_DISPLAY *	display	Allegro5 display.
int	DONE	loop while DONE != 1
int	draw_time	time before updating graphics in usec
ALLEGRO_TIMER *	draw_timer	drawing timer
ALLEGRO_EVENT_QUEUE *	event_queue	event queue
int	fade_value	alpha value of black blit ( 20 default )
N_TIME	game_timer	TIMER.
int	GFX_CONFIG_MODE	display mode: GFX_WINDOWED, GFX_FULLSCREEN, or GFX_FULLSCREEN_WINDOW
int	GFX_UPDATE_RATE	time between two graphic frames 20000 default
int	left_attack	left attack trigger
int	left_attack_pos	left attack position
int	level	Level number.
int	lifes	Remaining lives.
int	LOGIC_RATE	time between two logic frames 20000 default
int	logic_time	time before a new logic update is done
ALLEGRO_TIMER *	logic_timer	logic timer
int	loop_time	time between each loop
int	nb_min_particles	minimum number of particles
int	real_framerate	Measured framerate.
int	right_attack	right attack trigger
int	right_attack_pos	right attack position
int	score	Store score value.
ALLEGRO_BITMAP *	scrbuf	screen buffer bitmap
int	wait_for_slowing_down_cpu	=0 for doing nothing, =1 if logic is done, = 2 if drawing is done too
int	x	position x
int	y	position y
int	z	position z

Macro Definition Documentation

CPU_USE_FULL

#define CPU_USE_FULL   -1

full use of CPU

Definition at line 47 of file n_games.h.

CPU_USE_LESS

#define CPU_USE_LESS   10

wait more

Definition at line 51 of file n_games.h.

CPU_USE_NICE

#define CPU_USE_NICE   0

let the other process have some times

Definition at line 49 of file n_games.h.

GFX_FULLSCREEN

#define GFX_FULLSCREEN   1

display mode: fullscreen

Definition at line 56 of file n_games.h.

GFX_FULLSCREEN_WINDOW

#define GFX_FULLSCREEN_WINDOW   2

display mode: fullscreen windowed

Definition at line 58 of file n_games.h.

GFX_WINDOWED

#define GFX_WINDOWED   0

display mode: windowed

Definition at line 54 of file n_games.h.

Function Documentation

destroy_game_env()

void destroy_game_env

(

GAME_ENV **

game

)

destroy a game environment

Parameters

game	a pointer to a game structure to destroy

Definition at line 81 of file n_games.c.

References Free.

Referenced by load_game_config().

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init_game_env()

int init_game_env

(

GAME_ENV **

game

)

initialize a new game environment

Parameters

game	a pointer to a game structure to allocate

Returns

TRUE or FALSE

Definition at line 34 of file n_games.c.

References CPU_USE_FULL, GFX_WINDOWED, LOG_ERR, Malloc, and n_log.

Referenced by load_game_config().

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load_game_config()

GAME_ENV * load_game_config

(

char *

config_name

)

load a game config from file

Parameters

config_name

path to the game configuration file

Returns

allocated GAME_ENV with loaded settings, or NULL on error

Definition at line 105 of file n_games.c.

References CPU_MODE, CPU_USE_FULL, CPU_USE_LESS, CPU_USE_NICE, destroy_game_env(), GFX_CONFIG_MODE, GFX_FULLSCREEN, GFX_FULLSCREEN_WINDOW, GFX_UPDATE_RATE, GFX_WINDOWED, init_game_env(), LOG_ERR, LOG_NOTICE, LOGIC_RATE, n_log, and nb_min_particles.

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