/* ScummVM - Scumm Interpreter * Copyright (C) 2001-2004 The ScummVM project * * 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. * * $Header$ * */ #include "stdafx.h" #include "common/scummsys.h" #include "common/system.h" #if defined(USE_NULL_DRIVER) /* NULL video driver */ class OSystem_NULL : public OSystem { public: void setPalette(const byte *colors, uint start, uint num) {} void initSize(uint w, uint h); void copyRectToScreen(const byte *buf, int pitch, int x, int y, int w, int h) {} void move_screen(int dx, int dy) {} void updateScreen() {} bool showMouse(bool visible) { return false; } void set_mouse_pos(int x, int y) {} void setMouseCursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y, byte keycolor) {} void set_shake_pos(int shake_pos) {} uint32 get_msecs(); void delay_msecs(uint msecs); bool poll_event(Event *event) { return false; } bool setSoundCallback(SoundProc proc, void *param) {} void quit() { exit(1); } uint32 property(int param, Property *value) { return 0; } static OSystem *create(int gfx_mode, bool full_screen); private: uint msec_start; uint32 get_ticks(); }; void OSystem_NULL::initSize(uint w, uint h, byte sound) { msec_start = get_ticks(); } uint32 OSystem_NULL::get_ticks() { uint a = 0; #ifdef WIN32 a = GetTickCount(); #endif #ifdef UNIX struct timeval tv; gettimeofday(&tv, NULL); a = tv.tv_sec * 1000 + tv.tv_usec / 1000; #endif return a; } void OSystem_NULL::delay_msecs(uint msecs) { #ifdef WIN32 Sleep(msecs); #endif #ifdef UNIX usleep(msecs * 1000); #endif } uint32 OSystem_NULL::get_msecs() { return get_ticks() - msec_start; } OSystem *OSystem_NULL_create() { return new OSystem_NULL(); } #else /* USE_NULL_DRIVER */ OSystem *OSystem_NULL_create() { return NULL; } #endif