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#ifndef ALLEGRO_COMPAT_H_
#define ALLEGRO_COMPAT_H_
#include <stdint.h>
#include <stdbool.h>
// A reimplementation of some allegro functions and structures
// Hopefully we won't need it in the future
#define D_DISABLED 0
#define D_OK 0
#define D_EXIT 1
#define PLAYMODE_PLAY 0
#define PLAYMODE_LOOP 1
#define PLAYMODE_FORWARD 0
#define PLAYMODE_BACKWARD 2
#define PLAYMODE_BIDIR 4
#define DIGI_AUTODETECT -1 // For passing to install_sound()
#define DIGI_NONE 0
#define MIDI_AUTODETECT -1
#define MIDI_NONE 0
// A bitmap structure
typedef struct {
int w, h; // Width and height in pixels
void *dat; // The memory we allocated for the bitmap
unsigned char **line;
} BITMAP;
typedef struct {
unsigned char r, g, b;
} RGB;
typedef struct {
int bits; // 8 or 16
int stereo; // Sample type flag
int freq; // Sample frequency
int priority; // 0-255
unsigned long len; // Length (in samples)
unsigned long loop_start; // Loop start position
unsigned long loop_end; // Loop finish position
unsigned long param; // For internal use by the driver
void* data; // Raw sample data
} SAMPLE;
void masked_blit(BITMAP *source, BITMAP *dest, int source_x, int source_y, int dest_x, int dest_y, int width, int height);
void masked_stretch_blit(BITMAP *source, BITMAP *dest, int source_x, int source_y, int source_w, int source_h, int dest_x, int dest_y, int dest_w, int dest_h);
BITMAP *create_bitmap(int w, int h);
void destroy_bitmap(BITMAP *bitmap);
void clear_to_color(BITMAP *bitmap, int color);
int install_sound(int digi, int midi, const char *config_path);
void remove_sound();
SAMPLE* create_sample(int bits, int stereo, int freq, int len);
void destroy_sample(SAMPLE* spl);
int allocate_voice(SAMPLE* spl);
void voice_set_playmode(int voice, int playmode);
void voice_stop(int voice);
void deallocate_voice(int voice);
void voice_sweep_frequency(int voice, int time, int endfreq);
void voice_set_position(int voice, int position);
void voice_start(int voice);
void voice_set_volume(int voice, int volume);
int voice_get_volume(int voice);
void voice_set_pan(int voice, int pan);
void voice_ramp_volume(int voice, int time, int endvol);
void voice_set_frequency(int voice, int frequency);
int voice_get_frequency(int voice);
// Not exactly allegro stuff, but kinda compatible.
// menu_item_t is exactly the same as a MENU struct in allegro, but it's used
// differently.
typedef struct _menu_item_s {
char* text; // The text to display for the menu item
int (*proc)(void); // Called when the menu item is clicked
struct _menu_s* child; // Nested child menu
int flags; // Unused for now
void* dp; // Unused for now
} menu_item_t;
typedef struct _menu_s {
char* title; // The title of the menu
struct _menu_s* parent; // The previous menu
int numitems; // The number of items in the menu
struct _menu_item_s* items;
} menu_t;
int openMenu(menu_t* menu);
// Similar to file_select_ex in allegro
int fileSelect(const char* message, char* path, const char* ext);
#endif
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