scummvm/engines/queen/state.h
2014-02-18 02:39:37 +01:00

114 lines
2.3 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
*/
#ifndef QUEEN_STATE_H
#define QUEEN_STATE_H
#include "common/util.h"
#include "queen/defs.h"
namespace Queen {
enum StateTalk {
STATE_TALK_TALK,
STATE_TALK_MUTE
};
enum StateGrab {
STATE_GRAB_NONE,
STATE_GRAB_DOWN,
STATE_GRAB_UP,
STATE_GRAB_MID
};
enum StateOn {
STATE_ON_ON,
STATE_ON_OFF
};
enum StateUse {
STATE_USE,
STATE_USE_ON
};
/*!
Each object/item in game has a state field.
(refer to ObjectData and ItemData).
<table>
<tr>
<td>Name</td>
<td>Bits</td>
<td>Description</td>
</tr>
<tr>
<td>USE</td>
<td>10</td>
<td>Use</td>
</tr>
<tr>
<td>TALK</td>
<td>9</td>
<td>Talk</td>
</tr>
<tr>
<td>ON</td>
<td>8</td>
<td>On/Off</td>
</tr>
<tr>
<td>DEF</td>
<td>7,6,5,4</td>
<td>Default verb command</td>
</tr>
<tr>
<td>DIR</td>
<td>3,2</td>
<td>Direction to face for the object</td>
</tr>
<tr>
<td>GRAB</td>
<td>1,0</td>
<td>Grab Direction</td>
</tr>
</table>
*/
struct State {
static Direction findDirection(uint16 state);
static StateTalk findTalk(uint16 state);
static StateGrab findGrab(uint16 state);
static StateOn findOn(uint16 state);
static Verb findDefaultVerb(uint16 state);
static StateUse findUse(uint16 state);
static void alterOn(uint16 *objState, StateOn state);
static void alterDefaultVerb(uint16 *objState, Verb v);
};
} // End of namespace Queen
#endif