diff options
Diffstat (limited to 'backends/gp32/gp32.h')
-rw-r--r-- | backends/gp32/gp32.h | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/backends/gp32/gp32.h b/backends/gp32/gp32.h new file mode 100644 index 0000000000..7546a25b7b --- /dev/null +++ b/backends/gp32/gp32.h @@ -0,0 +1,220 @@ +/* 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 "common/stdafx.h" +#include "common/scummsys.h" +#include "common/system.h" +#include "common/scummsys.h" +#include "common/stdafx.h" +#include "common/engine.h" +#include "scumm/saveload.h" +#include "common/scaler.h" + +#include "sdl.h" + +class OSystem_GP32 : public OSystem { +public: + // Set colors of the palette + void set_palette(const byte *colors, uint start, uint num); + + // Set the size of the video bitmap. + // Typically, 320x200 + void init_size(uint w, uint h); + + // Draw a bitmap to screen. + // The screen will not be updated to reflect the new bitmap + void copy_rect(const byte *buf, int pitch, int x, int y, int w, int h); + + // Moves the screen content around by the given amount of pixels + // but only the top height pixel rows, the rest stays untouched + void move_screen(int dx, int dy, int height); + + // Update the dirty areas of the screen + void update_screen(); + + // Either show or hide the mouse cursor + bool show_mouse(bool visible); + + // 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 set_mouse_cursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y); + + // Shaking is used in SCUMM. Set current shake position. + void set_shake_pos(int shake_pos); + + // Get the number of milliseconds since the program was started. + uint32 get_msecs(); + + // Delay for a specified amount of milliseconds + void delay_msecs(uint msecs); + + // Create a thread + void *create_thread(ThreadProc *proc, void *param); + + // Get the next event. + // Returns true if an event was retrieved. + bool poll_event(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 set_sound_proc(void *param, SoundProc *proc, byte format); + + // Get or set a property + uint32 property(int param, Property *value); + + // Poll cdrom status + // Returns true if cd audio is playing + bool poll_cdrom(); + + // Play cdrom audio track + void play_cdrom(int track, int num_loops, int start_frame, int end_frame); + + // Stop cdrom audio track + void stop_cdrom(); + + // Update cdrom audio status + void update_cdrom(); + + // Add a new callback timer + void set_timer(int timer, int (*callback)(int)); + + // Mutex handling + void *create_mutex(void); + void lock_mutex(void *mutex); + void unlock_mutex(void *mutex); + void delete_mutex(void *mutex); + + // Quit + void quit(); + + // Overlay + void show_overlay(); + void hide_overlay(); + void clear_overlay(); + void grab_overlay(int16 *buf, int pitch); + void copy_rect_overlay(const int16 *buf, int pitch, int x, int y, int w, int h); + + static OSystem *create(int gfx_mode, bool full_screen); +private: + typedef void ScalerProc(uint8 *srcPtr, uint32 srcPitch, uint8 *deltaPtr, + uint8 *dstPtr, uint32 dstPitch, int width, int height); + + 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 update_screen + 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; + + // 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(); +}; |