mirror of
https://github.com/libretro/scummvm.git
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133 lines
2.6 KiB
C++
133 lines
2.6 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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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*
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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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*
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "queen/state.h"
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namespace Queen {
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Direction State::findDirection(uint16 state) {
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static const Direction sd[] = {
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DIR_BACK,
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DIR_RIGHT,
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DIR_LEFT,
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DIR_FRONT
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};
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return sd[(state >> 2) & 3];
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}
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StateTalk State::findTalk(uint16 state) {
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return (state & (1 << 9)) ? STATE_TALK_TALK : STATE_TALK_MUTE;
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}
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StateGrab State::findGrab(uint16 state) {
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static const StateGrab sg[] = {
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STATE_GRAB_NONE,
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STATE_GRAB_DOWN,
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STATE_GRAB_UP,
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STATE_GRAB_MID
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};
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return sg[state & 3];
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}
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StateOn State::findOn(uint16 state) {
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return (state & (1 << 8)) ? STATE_ON_ON : STATE_ON_OFF;
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}
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Verb State::findDefaultVerb(uint16 state) {
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static const Verb sdv[] = {
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VERB_NONE,
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VERB_OPEN,
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VERB_NONE,
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VERB_CLOSE,
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VERB_NONE,
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VERB_NONE,
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VERB_LOOK_AT,
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VERB_MOVE,
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VERB_GIVE,
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VERB_TALK_TO,
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VERB_NONE,
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VERB_NONE,
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VERB_USE,
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VERB_NONE,
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VERB_PICK_UP,
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VERB_NONE
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};
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return sdv[(state >> 4) & 0xF];
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}
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StateUse State::findUse(uint16 state) {
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return (state & (1 << 10)) ? STATE_USE : STATE_USE_ON;
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}
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void State::alterOn(uint16 *objState, StateOn state) {
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switch (state) {
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case STATE_ON_ON:
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*objState |= (1 << 8);
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break;
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case STATE_ON_OFF:
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*objState &= ~(1 << 8);
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break;
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default:
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break;
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}
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}
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void State::alterDefaultVerb(uint16 *objState, Verb v) {
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uint16 val;
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switch (v) {
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case VERB_OPEN:
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val = 1;
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break;
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case VERB_CLOSE:
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val = 3;
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break;
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case VERB_MOVE:
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val = 7;
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break;
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case VERB_GIVE:
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val = 8;
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break;
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case VERB_USE:
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val = 12;
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break;
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case VERB_PICK_UP:
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val = 14;
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break;
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case VERB_TALK_TO:
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val = 9;
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break;
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case VERB_LOOK_AT:
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val = 6;
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break;
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default:
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val = 0;
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break;
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}
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*objState = (*objState & ~0xF0) | (val << 4);
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}
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} // End of namespace Queen
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