mirror of
https://github.com/libretro/scummvm.git
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4042b1f1fc
svn-id: r5813
221 lines
5.6 KiB
C++
221 lines
5.6 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001 Ludvig Strigeus
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* Copyright (C) 2001/2002 The ScummVM project
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* Copyright (C) 2002 ph0x (GP32 port)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "common/stdafx.h"
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#include "common/scummsys.h"
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#include "common/system.h"
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#include "common/scummsys.h"
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#include "common/stdafx.h"
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#include "common/engine.h"
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#include "scumm/saveload.h"
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#include "common/scaler.h"
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#include "sdl.h"
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class OSystem_GP32 : public OSystem {
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public:
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// Set colors of the palette
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void set_palette(const byte *colors, uint start, uint num);
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// Set the size of the video bitmap.
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// Typically, 320x200
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void init_size(uint w, uint h);
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// Draw a bitmap to screen.
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// The screen will not be updated to reflect the new bitmap
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void copy_rect(const byte *buf, int pitch, int x, int y, int w, int h);
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// Moves the screen content around by the given amount of pixels
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// but only the top height pixel rows, the rest stays untouched
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void move_screen(int dx, int dy, int height);
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// Update the dirty areas of the screen
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void update_screen();
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// Either show or hide the mouse cursor
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bool show_mouse(bool visible);
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// Set the position of the mouse cursor
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void set_mouse_pos(int x, int y);
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// Set the bitmap that's used when drawing the cursor.
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void set_mouse_cursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y);
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// Shaking is used in SCUMM. Set current shake position.
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void set_shake_pos(int shake_pos);
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// Get the number of milliseconds since the program was started.
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uint32 get_msecs();
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// Delay for a specified amount of milliseconds
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void delay_msecs(uint msecs);
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// Create a thread
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void *create_thread(ThreadProc *proc, void *param);
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// Get the next event.
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// Returns true if an event was retrieved.
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bool poll_event(Event *event);
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// Set the function to be invoked whenever samples need to be generated
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// Format is the sample type format.
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// Only 16-bit signed mode is needed for simon & scumm
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bool set_sound_proc(void *param, SoundProc *proc, byte format);
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// Get or set a property
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uint32 property(int param, Property *value);
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// Poll cdrom status
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// Returns true if cd audio is playing
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bool poll_cdrom();
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// Play cdrom audio track
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void play_cdrom(int track, int num_loops, int start_frame, int end_frame);
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// Stop cdrom audio track
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void stop_cdrom();
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// Update cdrom audio status
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void update_cdrom();
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// Add a new callback timer
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void set_timer(int timer, int (*callback)(int));
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// Mutex handling
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void *create_mutex(void);
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void lock_mutex(void *mutex);
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void unlock_mutex(void *mutex);
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void delete_mutex(void *mutex);
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// Quit
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void quit();
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// Overlay
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void show_overlay();
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void hide_overlay();
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void clear_overlay();
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void grab_overlay(int16 *buf, int pitch);
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void copy_rect_overlay(const int16 *buf, int pitch, int x, int y, int w, int h);
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static OSystem *create(int gfx_mode, bool full_screen);
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private:
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typedef void ScalerProc(uint8 *srcPtr, uint32 srcPitch, uint8 *deltaPtr,
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uint8 *dstPtr, uint32 dstPitch, int width, int height);
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SDL_Surface *sdl_tmpscreen; // temporary screen (for scalers/overlay)
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SDL_Surface *sdl_hwscreen; // hardware screen
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bool _overlay_visible;
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ScalerProc *_scaler_proc;
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int TMP_SCREEN_WIDTH;
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//uint msec_start;
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//uint32 get_ticks();
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///OSystem_GP32(); // eh?
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/// ~OSystem_GP32();
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// unseen game screen
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SDL_Surface *_screen;
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int _screenWidth, _screenHeight;
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// CD Audio
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///SDL_CD *_cdrom;
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int cd_track, cd_num_loops, cd_start_frame, cd_end_frame;
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uint32 cd_end_time, cd_stop_time, cd_next_second;
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enum {
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DF_WANT_RECT_OPTIM = 1 << 0,
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DF_UPDATE_EXPAND_1_PIXEL = 1 << 3
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};
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bool _forceFull; // Force full redraw on next update_screen
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int _scaleFactor;
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int _mode;
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bool _full_screen;
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uint32 _mode_flags;
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enum {
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NUM_DIRTY_RECT = 100,
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MAX_MOUSE_W = 40,
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MAX_MOUSE_H = 40,
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MAX_SCALING = 3
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};
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// Dirty rect managment
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SDL_Rect _dirty_rect_list[100];
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int _num_dirty_rects;
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uint32 *_dirty_checksums;
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bool cksum_valid;
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int CKSUM_NUM;
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// Keyboard mouse emulation
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struct KbdMouse {
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int16 x, y, x_vel, y_vel, x_max, y_max, x_down_count, y_down_count;
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uint32 last_time, delay_time, x_down_time, y_down_time;
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} km;
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struct MousePos {
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int16 x, y, w, h;
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};
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bool _mouseVisible;
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bool _mouseDrawn;
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byte *_mouseData;
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byte *_mouseBackup;
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MousePos _mouse_cur_state;
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MousePos _mouse_old_state;
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int16 _mouseHotspotX;
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int16 _mouseHotspotY;
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// Shake mode
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int _currentShakePos;
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int _newShakePos;
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// Palette data
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SDL_Color *_currentPalette;
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uint _paletteDirtyStart, _paletteDirtyEnd;
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void add_dirty_rgn_auto(const byte *buf);
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void mk_checksums(const byte *buf);
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static void fill_sound(void *userdata, Uint8 * stream, int len);
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void add_dirty_rect(int x, int y, int w, int h);
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void draw_mouse();
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void undraw_mouse();
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void load_gfx_mode();
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void unload_gfx_mode();
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void hotswap_gfx_mode();
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void get_screen_image(byte *buf);
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void setup_icon();
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void kbd_mouse();
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static OSystem_GP32 *create();
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};
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