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/* ScummVM - Scumm Interpreter
* Copyright (C) 2001 Ludvig Strigeus
* Copyright (C) 2001/2002 The ScummVM project
* Copyright (C) 2002 ph0x (GP32 port)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "backends/intern.h"
#include "common/stdafx.h"
#include "common/scummsys.h"
#include "common/system.h"
#include "common/scummsys.h"
#include "common/stdafx.h"
#include "base/engine.h"
#include "scumm/saveload.h"
#include "common/scaler.h"
#include "portdefs.h"
#include "sdl.h"
class OSystem_GP32 : public OSystem {
public:
// Set colors of the palette
void setPalette(const byte *colors, uint start, uint num);
// Set the size of the video bitmap.
// Typically, 320x200
void initSize(uint w, uint h);
int16 getHeight() { return _screenHeight; }
int16 getWidth() { return _screenWidth; }
// Draw a bitmap to screen.
// The screen will not be updated to reflect the new bitmap
void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h);
// Update the dirty areas of the screen
void updateScreen();
// Either show or hide the mouse cursor
bool showMouse(bool visible);
void warpMouse(int x, int y);
// Set the position of the mouse cursor
void set_mouse_pos(int x, int y);
// Set the bitmap that's used when drawing the cursor.
void setMouseCursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y, byte keycolor);
// Shaking is used in SCUMM. Set current shake position.
void setShakePos(int shake_pos);
// Get the number of milliseconds since the program was started.
uint32 getMillis();
// Delay for a specified amount of milliseconds
void delayMillis(uint msecs);
// Get the next event.
// Returns true if an event was retrieved.
bool pollEvent(Event &event);
// Set the function to be invoked whenever samples need to be generated
// Format is the sample type format.
// Only 16-bit signed mode is needed for simon & scumm
bool setSoundCallback(SoundProc proc, void *param);
void clearSoundCallback();
// Get or set a property
uint32 property(int param, Property *value);
// Poll cdrom status
// Returns true if cd audio is playing
bool pollCD();
// Play cdrom audio track
void playCD(int track, int num_loops, int start_frame, int duration);
// Stop cdrom audio track
void stopCD();
// Update cdrom audio status
void updateCD();
// Add a new callback timer
void setTimerCallback(TimerProc callback, int timer);
// Mutex handling
OSystem::MutexRef createMutex();
void lockMutex(MutexRef mutex);
void unlockMutex(MutexRef mutex);
void deleteMutex(MutexRef mutex);
// Quit
void quit();
// Overlay
void showOverlay();
void hideOverlay();
void clearOverlay();
void grabOverlay(int16 *buf, int pitch);
void copyRectToOverlay(const int16 *buf, int pitch, int x, int y, int w, int h);
static OSystem *create(int gfx_mode, bool full_screen);
private:
SDL_Surface *sdl_tmpscreen; // temporary screen (for scalers/overlay)
SDL_Surface *sdl_hwscreen; // hardware screen
bool _overlay_visible;
ScalerProc *_scaler_proc;
int TMP_SCREEN_WIDTH;
//uint msec_start;
//uint32 get_ticks();
///OSystem_GP32(); // eh?
/// ~OSystem_GP32();
// unseen game screen
SDL_Surface *_screen;
int _screenWidth, _screenHeight;
// CD Audio
///SDL_CD *_cdrom;
int cd_track, cd_num_loops, cd_start_frame, cd_end_frame;
uint32 cd_end_time, cd_stop_time, cd_next_second;
enum {
DF_WANT_RECT_OPTIM = 1 << 0,
DF_UPDATE_EXPAND_1_PIXEL = 1 << 3
};
bool _forceFull; // Force full redraw on next updateScreen
int _scaleFactor;
int _mode;
bool _full_screen;
uint32 _mode_flags;
enum {
NUM_DIRTY_RECT = 100,
MAX_MOUSE_W = 40,
MAX_MOUSE_H = 40,
MAX_SCALING = 3
};
// Dirty rect managment
SDL_Rect _dirty_rect_list[100];
int _num_dirty_rects;
uint32 *_dirty_checksums;
bool cksum_valid;
int CKSUM_NUM;
// Keyboard mouse emulation
struct KbdMouse {
int16 x, y, x_vel, y_vel, x_max, y_max, x_down_count, y_down_count;
uint32 last_time, delay_time, x_down_time, y_down_time;
} km;
struct MousePos {
int16 x, y, w, h;
};
bool _mouseVisible;
bool _mouseDrawn;
byte *_mouseData;
byte *_mouseBackup;
MousePos _mouse_cur_state;
MousePos _mouse_old_state;
int16 _mouseHotspotX;
int16 _mouseHotspotY;
byte _mouseKeycolor;
// Shake mode
int _currentShakePos;
int _newShakePos;
// Palette data
SDL_Color *_currentPalette;
uint _paletteDirtyStart, _paletteDirtyEnd;
void add_dirty_rgn_auto(const byte *buf);
void mk_checksums(const byte *buf);
static void fill_sound(void *userdata, Uint8 * stream, int len);
void add_dirty_rect(int x, int y, int w, int h);
void draw_mouse();
void undraw_mouse();
void load_gfx_mode();
void unload_gfx_mode();
void hotswap_gfx_mode();
void get_screen_image(byte *buf);
void setup_icon();
void kbd_mouse();
static OSystem_GP32 *create();
};
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