scummvm/engines/saga/events.h
2009-11-02 21:54:57 +00:00

189 lines
4.2 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.
*
* $URL$
* $Id$
*
*/
// Event management module header file
#ifndef SAGA_EVENT_H
#define SAGA_EVENT_H
namespace Saga {
enum EventTypes {
kEvTOneshot, // Event takes no time
kEvTContinuous, // Event takes time; next event starts immediately
kEvTInterval, // Not yet implemented
kEvTImmediate // Event takes time; next event starts when event is done
};
enum EventFlags {
kEvFSignaled = 0x8000,
kEvFNoDestory = 0x4000
};
enum EventCodes {
kBgEvent = 1,
kAnimEvent,
kMusicEvent,
kVoiceEvent,
kSoundEvent,
kSceneEvent,
kTextEvent,
kPalEvent,
kPalAnimEvent,
kTransitionEvent,
kInterfaceEvent,
kActorEvent,
kScriptEvent,
kCursorEvent,
kGraphicsEvent,
kCutawayEvent,
kPsychicProfileBgEvent
};
enum EventOps {
// INSTANTANEOUS events
// BG events
kEventDisplay = 1,
// ANIM events
kEventPlay = 1, // used in music and sound events too
kEventStop = 2, // used in music and sound events too
kEventFrame = 3,
kEventSetFlag = 4, // used in graphics events too
kEventClearFlag = 5, // used in graphics events too
kEventResumeAll = 6,
// MUSIC and SOUND events
// Reused: kEventPlay, kEventStop
// SCENE events
kEventDraw = 1,
kEventEnd = 2,
// TEXT events
kEventRemove = 3,
// Reused: kEventHide
// PALANIM events
kEventCycleStart = 1,
kEventCycleStep = 2,
// INTERFACE events
kEventActivate = 1,
kEventDeactivate = 2,
kEventSetStatus = 3,
kEventClearStatus = 4,
kEventSetFadeMode = 5,
kEventRestoreMode = 6,
kEventSetMode = 7,
// ACTOR events
kEventMove = 1,
// SCRIPT events
kEventExecBlocking = 1,
kEventExecNonBlocking = 2,
kEventThreadWake = 3,
// CURSOR events
kEventShow = 1,
kEventHide = 2, // used in text events too
kEventSetNormalCursor = 3,
kEventSetBusyCursor = 4,
// GRAPHICS events
kEventFillRect = 1,
// Reused: kEventSetFlag, kEventClearFlag
// CONTINUOUS events
//
// PALETTE events
kEventPalToBlack = 1,
kEventBlackToPal = 2,
kEventPalFade = 3,
// TRANSITION events
kEventDissolve = 1,
kEventDissolveBGMask = 2,
// CUTAWAY events
kEventClear = 1,
kEventShowCutawayBg = 2
};
enum EventParams {
kEvPNoSetPalette,
kEvPSetPalette
};
struct Event {
unsigned int type;
unsigned int code; // Event operation category & flags
int op; // Event operation
long param; // Optional event parameter
long param2;
long param3;
long param4;
long param5;
long param6;
void *data; // Optional event data
long time; // Elapsed time until event
long duration; // Duration of event
long d_reserved;
Event *chain; // Event chain (For consecutive events)
Event() {
memset(this, 0, sizeof(*this));
}
};
typedef Common::List<Event> EventList;
#define EVENT_WARNINGCOUNT 1000
#define EVENT_MASK 0x00FF
enum EventStatusCode {
kEvStInvalidCode = 0,
kEvStDelete,
kEvStContinue,
kEvStBreak
};
class Events {
public:
Events(SagaEngine *vm);
~Events();
int handleEvents(long msec);
int clearList(bool playQueuedMusic = true);
int freeList();
Event *queue(Event *event);
Event *chain(Event *headEvent, Event *addEvent);
private:
int handleContinuous(Event *event);
int handleOneShot(Event *event);
int handleInterval(Event *event);
int handleImmediate(Event *event);
int processEventTime(long msec);
int initializeEvent(Event *event);
private:
SagaEngine *_vm;
EventList _eventList;
};
} // End of namespace Saga
#endif