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/* $Id$ */
#ifndef HAL_H
#define HAL_H
#ifdef __cplusplus
extern "C" {
#endif //__cplusplus
enum WindowKeyCodes {
WKC_SHIFT = 0x8000,
WKC_CTRL = 0x4000,
WKC_ALT = 0x2000,
WKC_META = 0x1000,
// Special ones
WKC_NONE = 0,
WKC_ESC = 1,
WKC_BACKSPACE = 2,
WKC_INSERT = 3,
WKC_DELETE = 4,
WKC_PAGEUP = 5,
WKC_PAGEDOWN = 6,
WKC_END = 7,
WKC_HOME = 8,
// Arrow keys
WKC_LEFT = 9,
WKC_UP = 10,
WKC_RIGHT = 11,
WKC_DOWN = 12,
// Return & tab
WKC_RETURN = 13,
WKC_TAB = 14,
// Numerical keyboard
WKC_NUM_0 = 16,
WKC_NUM_1 = 17,
WKC_NUM_2 = 18,
WKC_NUM_3 = 19,
WKC_NUM_4 = 20,
WKC_NUM_5 = 21,
WKC_NUM_6 = 22,
WKC_NUM_7 = 23,
WKC_NUM_8 = 24,
WKC_NUM_9 = 25,
WKC_NUM_DIV = 26,
WKC_NUM_MUL = 27,
WKC_NUM_MINUS = 28,
WKC_NUM_PLUS = 29,
WKC_NUM_ENTER = 30,
WKC_NUM_DECIMAL = 31,
// Space
WKC_SPACE = 32,
// Function keys
WKC_F1 = 33,
WKC_F2 = 34,
WKC_F3 = 35,
WKC_F4 = 36,
WKC_F5 = 37,
WKC_F6 = 38,
WKC_F7 = 39,
WKC_F8 = 40,
WKC_F9 = 41,
WKC_F10 = 42,
WKC_F11 = 43,
WKC_F12 = 44,
// backquote is the key left of "1"
// we only store this key here, no matter what character is really mapped to it
// on a particular keyboard. (US keyboard: ` and ~ ; German keyboard: ^ and °)
WKC_BACKQUOTE = 45,
WKC_PAUSE = 46,
// 0-9 are mapped to 48-57
// A-Z are mapped to 65-90
// a-z are mapped to 97-122
};
typedef struct {
const char *(*start)(const char * const *parm);
void (*stop)(void);
} HalCommonDriver;
typedef struct {
const char *(*start)(const char * const *parm);
void (*stop)(void);
void (*make_dirty)(int left, int top, int width, int height);
void (*main_loop)(void);
bool (*change_resolution)(int w, int h);
void (*toggle_fullscreen)(bool fullscreen);
} HalVideoDriver;
typedef struct {
const char *(*start)(const char * const *parm);
void (*stop)(void);
} HalSoundDriver;
typedef struct {
const char *(*start)(const char * const *parm);
void (*stop)(void);
void (*play_song)(const char *filename);
void (*stop_song)(void);
bool (*is_song_playing)(void);
void (*set_volume)(byte vol);
} HalMusicDriver;
extern HalMusicDriver *_music_driver;
extern HalSoundDriver *_sound_driver;
extern HalVideoDriver *_video_driver;
enum DriverType {
VIDEO_DRIVER = 0,
SOUND_DRIVER = 1,
MUSIC_DRIVER = 2,
};
enum GameModes {
GM_MENU,
GM_NORMAL,
GM_EDITOR
};
void GameLoop(void);
void CreateConsole(void);
typedef int32 CursorID;
typedef byte Pixel;
typedef struct Point {
int x,y;
} Point;
typedef struct Rect {
int left,top,right,bottom;
} Rect;
typedef struct CursorVars {
Point pos, size, offs, delta; ///< position, size, offset from top-left, and movement
Point draw_pos, draw_size; ///< position and size bounding-box for drawing
CursorID sprite; ///< current image of cursor
int wheel; ///< mouse wheel movement
const CursorID *animate_list, *animate_cur; ///< in case of animated cursor, list of frames
uint animate_timeout; ///< current frame in list of animated cursor
bool visible; ///< cursor is visible
bool dirty; ///< the rect occupied by the mouse is dirty (redraw)
bool fix_at; ///< mouse is moving, but cursor is not (used for scrolling)
bool in_window; ///< mouse inside this window, determines drawing logic
} CursorVars;
typedef struct DrawPixelInfo {
Pixel *dst_ptr;
int left, top, width, height;
int pitch;
uint16 zoom;
} DrawPixelInfo;
extern byte _dirkeys; // 1 = left, 2 = up, 4 = right, 8 = down
extern bool _fullscreen;
extern CursorVars _cursor;
extern bool _ctrl_pressed; // Is Ctrl pressed?
extern bool _shift_pressed; // Is Shift pressed?
extern byte _fast_forward;
extern bool _left_button_down;
extern bool _left_button_clicked;
extern bool _right_button_down;
extern bool _right_button_clicked;
extern DrawPixelInfo _screen;
extern bool _exit_game;
extern bool _networking; ///< are we in networking mode?
extern byte _game_mode;
extern byte _pause;
void HandleKeypress(uint32 key);
void HandleMouseEvents(void);
void CSleep(int milliseconds);
void UpdateWindows(void);
uint32 InteractiveRandom(void); /* Used for random sequences that are not the same on the other end of the multiplayer link */
uint InteractiveRandomRange(uint max);
void DrawTextMessage(void);
void DrawMouseCursor(void);
void ScreenSizeChanged(void);
void HandleExitGameRequest(void);
void GameSizeChanged(void);
void UndrawMouseCursor(void);
extern int _pal_first_dirty;
extern int _pal_last_dirty;
extern int _num_resolutions;
extern uint16 _resolutions[32][2];
extern uint16 _cur_resolution[2];
typedef struct Colour {
byte r;
byte g;
byte b;
} Colour;
extern Colour _cur_palette[256];
#ifdef __cplusplus
} // extern "C"
#endif //__cplusplus
#endif /* HAL_H */
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