mirror of
https://github.com/libretro/scummvm.git
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93 lines
2.4 KiB
C++
93 lines
2.4 KiB
C++
/* ScummVM - Scumm Interpreter
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* Copyright (C) 2001-2003 The ScummVM project
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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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* $Header$
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*
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*/
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#include "stdafx.h"
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#include "scummsys.h"
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#include "system.h"
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/* NULL video driver */
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class OSystem_NULL : public OSystem {
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public:
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void set_palette(const byte *colors, uint start, uint num) {}
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void init_size(uint w, uint h);
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void copy_rect(const byte *buf, int pitch, int x, int y, int w, int h) {}
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void move_screen(int dx, int dy) {}
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void update_screen() {}
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bool show_mouse(bool visible) { return false; }
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void set_mouse_pos(int x, int y) {}
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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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void set_shake_pos(int shake_pos) {}
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uint32 get_msecs();
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void delay_msecs(uint msecs);
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void *create_thread(ThreadProc *proc, void *param) { return NULL; }
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bool poll_event(Event *event) { return false; }
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bool set_sound_proc(void *param, SoundProc *proc, byte sound) {}
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void quit() { exit(1); }
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uint32 property(int param, Property *value) { return 0; }
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static OSystem *create(int gfx_mode, bool full_screen);
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private:
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uint msec_start;
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uint32 get_ticks();
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};
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void OSystem_NULL::init_size(uint w, uint h, byte sound) {
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msec_start = get_ticks();
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}
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uint32 OSystem_NULL::get_ticks() {
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uint a = 0;
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#ifdef WIN32
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a = GetTickCount();
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#endif
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#ifdef UNIX
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struct timeval tv;
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gettimeofday(&tv, NULL);
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a = tv.tv_sec * 1000 + tv.tv_usec / 1000;
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#endif
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return a;
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}
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void OSystem_NULL::delay_msecs(uint msecs) {
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#ifdef WIN32
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Sleep(msecs);
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#endif
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#ifdef UNIX
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usleep(msecs * 1000);
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#endif
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}
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uint32 OSystem_NULL::get_msecs() {
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return get_ticks() - msec_start;
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}
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OSystem *OSystem_NULL_create() {
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return new OSystem_NULL();
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}
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#else /* USE_NULL_DRIVER */
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OSystem *OSystem_NULL_create() {
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return NULL;
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}
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