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Diffstat (limited to 'engines/queen/state.cpp')
-rw-r--r-- | engines/queen/state.cpp | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/engines/queen/state.cpp b/engines/queen/state.cpp new file mode 100644 index 0000000000..5709bb07c6 --- /dev/null +++ b/engines/queen/state.cpp @@ -0,0 +1,130 @@ +/* ScummVM - Scumm Interpreter + * Copyright (C) 2003-2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + * + * $URL$ + * $Id$ + * + */ + +#include "common/stdafx.h" +#include "queen/state.h" + +namespace Queen { + +Direction State::findDirection(uint16 state) { + static const Direction sd[] = { + DIR_BACK, + DIR_RIGHT, + DIR_LEFT, + DIR_FRONT + }; + return sd[(state >> 2) & 3]; +} + +StateTalk State::findTalk(uint16 state) { + return (state & (1 << 9)) ? STATE_TALK_TALK : STATE_TALK_MUTE; +} + +StateGrab State::findGrab(uint16 state) { + static const StateGrab sg[] = { + STATE_GRAB_NONE, + STATE_GRAB_DOWN, + STATE_GRAB_UP, + STATE_GRAB_MID + }; + return sg[state & 3]; +} + +StateOn State::findOn(uint16 state) { + return (state & (1 << 8)) ? STATE_ON_ON : STATE_ON_OFF; +} + +Verb State::findDefaultVerb(uint16 state) { + static const Verb sdv[] = { + VERB_NONE, + VERB_OPEN, + VERB_NONE, + VERB_CLOSE, + + VERB_NONE, + VERB_NONE, + VERB_LOOK_AT, + VERB_MOVE, + + VERB_GIVE, + VERB_TALK_TO, + VERB_NONE, + VERB_NONE, + + VERB_USE, + VERB_NONE, + VERB_PICK_UP, + VERB_NONE + }; + return sdv[(state >> 4) & 0xF]; +} + +StateUse State::findUse(uint16 state) { + return (state & (1 << 10)) ? STATE_USE : STATE_USE_ON; +} + +void State::alterOn(uint16 *objState, StateOn state) { + switch (state) { + case STATE_ON_ON: + *objState |= (1 << 8); + break; + case STATE_ON_OFF: + *objState &= ~(1 << 8); + break; + } +} + +void State::alterDefaultVerb(uint16 *objState, Verb v) { + uint16 val; + switch (v) { + case VERB_OPEN: + val = 1; + break; + case VERB_CLOSE: + val = 3; + break; + case VERB_MOVE: + val = 7; + break; + case VERB_GIVE: + val = 8; + break; + case VERB_USE: + val = 12; + break; + case VERB_PICK_UP: + val = 14; + break; + case VERB_TALK_TO: + val = 9; + break; + case VERB_LOOK_AT: + val = 6; + break; + default: + val = 0; + break; + } + *objState = (*objState & ~0xF0) | (val << 4); +} + +} // End of namespace Queen |