1 /* ScummVM - Graphic Adventure Engine 2 * 3 * ScummVM is the legal property of its developers, whose names 4 * are too numerous to list here. Please refer to the COPYRIGHT 5 * file distributed with this source distribution. 6 * 7 * This program is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU General Public License 9 * as published by the Free Software Foundation; either version 2 10 * of the License, or (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 20 * 21 * 22 * Based on the original sources 23 * Faery Tale II -- The Halls of the Dead 24 * (c) 1993-1996 The Wyrmkeep Entertainment Co. 25 */ 26 27 #ifndef SAGA2_DISPLAY_H 28 #define SAGA2_DISPLAY_H 29 30 namespace Saga2 { 31 32 /* ===================================================================== * 33 Types 34 * ===================================================================== */ 35 36 enum DisplayDisabledBecause { 37 GameNotInitialized = 1 << 0, 38 PlayingVideo = 1 << 1, 39 GraphicsInit = 1 << 2, 40 GameSuspended = 1 << 3, 41 GameEnded = 1 << 4 42 }; 43 44 /* ===================================================================== * 45 Prototypes 46 * ===================================================================== */ 47 void endGame(void); 48 49 // ------------------------------------------------------------------------ 50 // Display initialization 51 52 void niceScreenStartup(void); 53 void initBackPanel(void); 54 55 // ------------------------------------------------------------------------ 56 // Display disable flags 57 58 void displayEnable(DisplayDisabledBecause reason, bool onOff = true); 59 bool displayEnabled(uint32 mask = 0xFFFFFFFF); 60 bool displayOkay(void); 61 void mainEnable(void); 62 void mainDisable(void); 63 64 inline void displayDisable(DisplayDisabledBecause reason, bool onOff = false) { 65 displayEnable(reason, onOff); 66 } 67 68 // ------------------------------------------------------------------------ 69 // palette changes can be disabled 70 71 void enablePaletteChanges(void); 72 void disablePaletteChanges(void); 73 bool paletteChangesEnabled(void); 74 75 // ------------------------------------------------------------------------ 76 // Screen refreshes 77 void delayedDisplayEnable(void); 78 void externalPaletteIntrusion(void); 79 void reDrawScreen(void); 80 void blackOut(void); 81 void showLoadMessage(void); 82 83 // ------------------------------------------------------------------------ 84 // Video mode save and restore for videos 85 86 void pushVidState(void); 87 void popVidState(void); 88 89 // ------------------------------------------------------------------------ 90 // Calls to suspend audio 91 92 void suspendAudio(void); 93 void resumeAudio(void); 94 95 // ------------------------------------------------------------------------ 96 // The display may be disabled for several reasons these track them 97 void blackOut(void); 98 99 } // end of namespace Saga2 100 101 #endif //DISPLAY_H 102