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 23 #ifndef AGS_ENGINE_AC_WALK_BEHIND_H 24 #define AGS_ENGINE_AC_WALK_BEHIND_H 25 26 namespace AGS3 { 27 28 // A method of rendering walkbehinds on screen: 29 // DrawAsSeparateSprite - draws whole walkbehind as a sprite; this 30 // method is most simple and is optimal for 3D renderers. 31 // DrawOverCharSprite and DrawAsSeparateCharSprite - are alternatives 32 // optimized for software render. 33 // DrawOverCharSprite - turns parts of the character and object sprites 34 // transparent when they are covered by walkbehind (walkbehind itself 35 // is not drawn separately in this case). 36 // DrawAsSeparateCharSprite - draws smaller *parts* of walkbehind as 37 // separate sprites, only ones that cover characters or objects. 38 enum WalkBehindMethodEnum { 39 DrawOverCharSprite, 40 DrawAsSeparateSprite, 41 DrawAsSeparateCharSprite 42 }; 43 44 void update_walk_behind_images(); 45 void recache_walk_behinds(); 46 47 } // namespace AGS3 48 49 #endif 50