aboutsummaryrefslogtreecommitdiff
path: root/engines/lure/hotspots.h
blob: 071695f78d77f42cab6e7c88a22b2996c7aa2383 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
/* ScummVM - Scumm Interpreter
 * Copyright (C) 2005-2006 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.
 *
 * $URL$
 * $Id$
 *
 */

#ifndef __lure_hotspots_h__
#define __lure_hotspots_h__

#include "lure/luredefs.h"
#include "lure/screen.h"
#include "lure/disk.h"
#include "lure/res_struct.h"

namespace Lure {

#define MAX_NUM_IMPINGING 10

class Hotspot;

class Support {
private:
	static bool changeRoomCheckBumped(Hotspot &h);
public:
	static int findIntersectingCharacters(Hotspot &h, uint16 *charList); 
	static bool checkForIntersectingCharacter(Hotspot &h);
	static void checkRoomChange(Hotspot &h);
	static void characterChangeRoom(Hotspot &h, uint16 roomNumber, 
								  int16 newX, int16 newY, Direction dir);
	static bool charactersIntersecting(HotspotData *hotspot1, HotspotData *hotspot2);
	static bool isCharacterInList(uint16 *lst, int numEntries, uint16 charId);
};

typedef void(*HandlerMethodPtr)(Hotspot &h);

class HotspotTickHandlers {
private:
	// Support methods
	static void npcRoomChange(Hotspot &h);

	// Handler methods
	static void defaultHandler(Hotspot &h);
	static void voiceBubbleAnimHandler(Hotspot &h);
	static void standardAnimHandler(Hotspot &h);
	static void standardCharacterAnimHandler(Hotspot &h);
	static void puzzledAnimHandler(Hotspot &h);
	static void roomExitAnimHandler(Hotspot &h);
	static void playerAnimHandler(Hotspot &h);
	static void followerAnimHandler(Hotspot &h);
	static void skorlAnimHandler(Hotspot &h);
	static void droppingTorchAnimHandler(Hotspot &h);
	static void fireAnimHandler(Hotspot &h);
	static void prisonerAnimHandler(Hotspot &h);
	static void talkAnimHandler(Hotspot &h);
	static void headAnimHandler(Hotspot &h);
	static void rackSerfAnimHandler(Hotspot &h);

public:
	static HandlerMethodPtr getHandler(uint16 procOffset);
};

enum CurrentAction {NO_ACTION, START_WALKING, DISPATCH_ACTION, EXEC_HOTSPOT_SCRIPT, 
	PROCESSING_PATH, WALKING};
	
class CurrentActionEntry {
private:
	CurrentAction _action;
	CharacterScheduleEntry *_supportData;
	uint16 _roomNumber;
public:
	CurrentActionEntry(CurrentAction newAction, uint16 roomNum) {
		_action = newAction; 
		_supportData = NULL; 
		_roomNumber = roomNum;
	}
	CurrentActionEntry(CurrentAction newAction, CharacterScheduleEntry *data, uint16 roomNum) { 
		_action = newAction; 
		_supportData = data; 
		_roomNumber = roomNum;
	}

	CurrentAction action() { return _action; }
	CharacterScheduleEntry &supportData() { 
		if (!_supportData) error("Access made to non-defined action support record");
		return *_supportData;
	}
	bool hasSupportData() { return _supportData != NULL; }
	uint16 roomNumber() { return _roomNumber; }
	void setAction(CurrentAction newAction) { _action = newAction; }
	void setRoomNumber(uint16 roomNum) { _roomNumber = roomNum; }
	void setSupportData(CharacterScheduleEntry *newRec) { _supportData = newRec; }
	void setSupportData(uint16 entryId);
};

class CurrentActionStack {
private:
	ManagedList<CurrentActionEntry *> _actions;
public:
	CurrentActionStack() { _actions.clear(); }

	bool isEmpty() { return _actions.begin() == _actions.end(); }
	void clear() { _actions.clear(); }
	CurrentActionEntry &top() { return **_actions.begin(); }
	CurrentAction action() { return isEmpty() ? NO_ACTION : top().action(); }
	void pop() { _actions.erase(_actions.begin()); }
	int size() { return _actions.size(); }
	void list(char *buffer);
	void list() { list(NULL); }

	void addBack(CurrentAction newAction, uint16 roomNum) {
		_actions.push_back(new CurrentActionEntry(newAction, roomNum));
	}
	void addBack(CurrentAction newAction, CharacterScheduleEntry *rec, uint16 roomNum) {
		_actions.push_back(new CurrentActionEntry(newAction, rec, roomNum));
	}
	void addFront(CurrentAction newAction, uint16 roomNum) {
		_actions.push_front(new CurrentActionEntry(newAction, roomNum));
	}
	void addFront(CurrentAction newAction, CharacterScheduleEntry *rec, uint16 roomNum) {
		_actions.push_front(new CurrentActionEntry(newAction, rec, roomNum));
	}
};

class WalkingActionEntry {
private:
	Direction _direction;
	int _numSteps;
public:
	WalkingActionEntry(Direction dir, int steps): _direction(dir), _numSteps(steps) {};
	Direction direction() { return _direction; }
	int &rawSteps() { return _numSteps; }
	int numSteps();
};

enum PathFinderResult {PF_OK, PF_DEST_OCCUPIED, PF_NO_PATH, PF_NO_WALK};

class PathFinder {
private:
	Hotspot *_hotspot;
	ManagedList<WalkingActionEntry *> _list;
	RoomPathsDecompressedData _layer;
	int _stepCtr;
	bool _inProgress;
	int _countdownCtr;
	int16 _destX, _destY;
	int16 _xPos, _yPos;
	int16 _xCurrent, _yCurrent;
	int16 _xDestPos, _yDestPos;
	int16 _xDestCurrent, _yDestCurrent;
	bool _destOccupied;
	bool _cellPopulated;
	PathFinderResult _result;
	uint16 *_pSrc, *_pDest;
	int _xChangeInc, _xChangeStart;
	int _yChangeInc, _yChangeStart;
	int _xCtr, _yCtr;

	void initVars();
	void processCell(uint16 *p);
	void scanLine(int numScans, int changeAmount, uint16 *&pEnd, int &v);

	void add(Direction dir, int steps) { 
		_list.push_front(new WalkingActionEntry(dir, steps)); 
	}
	void addBack(Direction dir, int steps) { 
		_list.push_back(new WalkingActionEntry(dir, steps)); 
	}
public:
	PathFinder(Hotspot *h);
	void clear();
	void reset(RoomPathsData &src);
	bool process();
	void list(char *buffer);
	void list() { list(NULL); }

	void pop() { _list.erase(_list.begin()); }
	WalkingActionEntry &top() { return **_list.begin(); }
	bool isEmpty() { return _list.empty(); }
	int &stepCtr() { return _stepCtr; }
	PathFinderResult result() { return _result; }
};

enum HotspotPrecheckResult {PC_EXECUTE, PC_NOT_IN_ROOM, PC_UNKNOWN, PC_INITIAL, PC_EXCESS};

#define MAX_NUM_FRAMES 16

class Hotspot {
private:
	HotspotData *_data;
	HotspotAnimData *_anim;
	HandlerMethodPtr _tickHandler;
	Surface *_frames;
	uint16 _hotspotId;
	uint16 _roomNumber;
	int16 _startX, _startY;
	uint16 _height, _width;
	uint16 _heightCopy, _widthCopy;
	uint16 _yCorrection;
	uint16 _charRectY;
	int8 _talkX, _talkY;
	uint16 _numFrames;
	uint16 _frameNumber;
	Direction _direction;
	uint8 _layer;
	uint16 _sequenceOffset;
	uint16 _tickCtr;
	uint32 _actions;
	uint8 _colourOffset;
	bool _persistant;
	HotspotOverrideData *_override;
	bool _skipFlag;
	CurrentActionStack _currentActions;
	CharacterScheduleEntry _npcSupportData;
	PathFinder _pathFinder;
	uint16 _frameWidth;
	bool _frameStartsUsed;
	uint16 _frameStarts[MAX_NUM_FRAMES];

	uint16 _frameCtr;
	uint8 _voiceCtr;
	int16 _destX, _destY;
	uint16 _destHotspotId;
	uint16 _blockedOffset;
	uint8 _exitCtr;
	bool _walkFlag;

	// Support methods
	uint16 getTalkId(HotspotData *charHotspot);
	void startTalk(HotspotData *charHotspot, uint16 id);
	void startTalkDialog();

	// Action support methods
	HotspotPrecheckResult actionPrecheck(HotspotData *hotspot);
	bool characterWalkingCheck(HotspotData *hotspot);
	bool doorCloseCheck(uint16 doorId);
	void resetDirection();

	// Action set
	void doNothing(HotspotData *hotspot);
	void doGet(HotspotData *hotspot);
	void doOperate(HotspotData *hotspot);
	void doOpen(HotspotData *hotspot);
	void doClose(HotspotData *hotspot);
	void doLockUnlock(HotspotData *hotspot);
	void doUse(HotspotData *hotspot);
	void doGive(HotspotData *hotspot);
	void doTalkTo(HotspotData *hotspot);
	void doTell(HotspotData *hotspot);
	void doLook(HotspotData *hotspot);
	void doLookAt(HotspotData *hotspot);
	void doLookThrough(HotspotData *hotspot);
	void doAsk(HotspotData *hotspot);
	void doDrink(HotspotData *hotspot);
	void doStatus(HotspotData *hotspot);
	void doGoto(HotspotData *hotspot);
	void doReturn(HotspotData *hotspot);
	void doBribe(HotspotData *hotspot);
	void doExamine(HotspotData *hotspot);
	void npcSetRoomAndBlockedOffset(HotspotData *hotspot);
	void npcUnknown1(HotspotData *hotspot); 
	void npcExecScript(HotspotData *hotspot); 
	void npcResetPausedList(HotspotData *hotspot); 
	void npcSetRandomDest(HotspotData *hotspot);
	void npcWalkingCheck(HotspotData *hotspot); 
	void npcSetSupportOffset(HotspotData *hotspot); 
	void npcSupportOffsetConditional(HotspotData *hotspot);
	void npcDispatchAction(HotspotData *hotspot); 
	void npcUnknown3(HotspotData *hotspot); 
	void npcPause(HotspotData *hotspot); 
	void npcStartTalking(HotspotData *hotspot);
	void npcJumpAddress(HotspotData *hotspot);
public:
	Hotspot(HotspotData *res);
	Hotspot(Hotspot *character, uint16 objType);
	~Hotspot();

	void setAnimation(uint16 newAnimId);
	void setAnimation(HotspotAnimData *newRecord);
	uint16 hotspotId() { return _hotspotId; }
	Surface &frames() { return *_frames; }
	HotspotAnimData &anim() { return *_anim; }
	HotspotData *resource() { return _data; }
	uint16 numFrames() { return _numFrames; }
	uint16 frameNumber() { return _frameNumber; }
	void setFrameNumber(uint16 frameNum) { 
		assert(frameNum < _numFrames);
		_frameNumber = frameNum; 
	}
	void incFrameNumber();
	Direction direction() { return _direction; }
	uint16 frameWidth() { return _width; }
	int16 x() { return _startX; }
	int16 y() { return _startY; }
	int16 destX() { return _destX; }
	int16 destY() { return _destY; }
	int8 talkX() { return _talkX; }
	int8 talkY() { return _talkY; }
	uint16 destHotspotId() { return _destHotspotId; }
	uint16 blockedOffset() { return _blockedOffset; }
	uint8 exitCtr() { return _exitCtr; }
	bool walkFlag() { return _walkFlag; }
	uint16 width() { return _width; }
	uint16 height() { return _height; }
	uint16 widthCopy() { return _widthCopy; }
	uint16 heightCopy() { return _heightCopy; }
	uint16 yCorrection() { return _yCorrection; }
	uint16 charRectY() { return _charRectY; }
	uint16 roomNumber() { return _roomNumber; }
	uint16 script() { return _sequenceOffset; }
	uint8 layer() { return _layer; }
	uint16 tickCtr() { return _tickCtr; }
	bool skipFlag() { return _skipFlag; }
	void setTickCtr(uint16 newVal) { _tickCtr = newVal; }
	void setTickProc(uint16 newVal);
	bool persistant() { return _persistant; }
	void setPersistant(bool value) { _persistant = value; }
	void setRoomNumber(uint16 roomNum) { 
		_roomNumber = roomNum; 
		if (_data) _data->roomNumber = roomNum;
	}
	uint16 nameId();
	bool isActiveAnimation();
	void setPosition(int16 newX, int16 newY);
	void setDestPosition(int16 newX, int16 newY) { _destX = newX; _destY = newY; }
	void setDestHotspot(uint16 id) { _destHotspotId = id; }
	void setExitCtr(uint8 value) { _exitCtr = value; }
	BlockedState blockedState() { 
		assert(_data);
		return _data->blockedState; 
	}
	void setBlockedState(BlockedState newState) { 
		assert(_data);
		_data->blockedState = newState; 
	}
	void setWalkFlag(bool value) { _walkFlag = value; }
	void setSize(uint16 newWidth, uint16 newHeight);
	void setScript(uint16 offset) {
		assert(_data != NULL);
		_sequenceOffset = offset;
		_data->sequenceOffset = offset; 
	}
	void setLayer(uint8 newLayer) {
		assert(_data != NULL);
		_layer = newLayer;
		_data->layer = newLayer;
	}
	void setActions(uint32 newActions) { _actions = newActions; }
	void setCharRectY(uint16 value) { _charRectY = value; }
	void setSkipFlag(bool value) { _skipFlag = value; }
	CharacterMode characterMode() {
		assert(_data != NULL);
		return _data->characterMode;
	}
	void setCharacterMode(CharacterMode value) {
		assert(_data != NULL);
		_data->characterMode = value;
	}
	uint16 delayCtr() { 
		assert(_data);
		return _data->delayCtr; 
	}
	void setDelayCtr(uint16 value) { 
		assert(_data);
		_data->delayCtr = value;	
	}
	uint16 pauseCtr() { 
		assert(_data);
		return _data->pauseCtr;
	}
	void setPauseCtr(uint16 value) { 
		assert(_data);
		_data->pauseCtr = value;
	}
	bool coveredFlag() { 
		assert(_data);
		return _data->coveredFlag;
	}
	void setCoveredFlag(bool value) { 
		assert(_data);
		_data->coveredFlag = value;
	}
	uint16 useHotspotId() { 
		assert(_data);
		return _data->useHotspotId; 
	}
	void setUseHotspotId(uint16 value) {
		assert(_data);
		_data->useHotspotId = value;
	}
	uint16 v2b() {
		assert(_data);
		return _data->v2b;
	}
	void setV2b(uint16 value) {
		assert(_data);
		_data->v2b = value;
	}

	void copyTo(Surface *dest);
	bool executeScript();
	void tick();
	bool isRoomExit(uint16 id);

	// Walking
	void walkTo(int16 endPosX, int16 endPosY, uint16 destHotspot = 0);
	void stopWalking();
	void endAction();
	void setDirection(Direction dir);
	void faceHotspot(HotspotData *hotspot);
	void faceHotspot(uint16 hotspotId);
	void setRandomDest();
	void setOccupied(bool occupiedFlag);
	bool walkingStep();
	void updateMovement();
	void updateMovement2(CharacterMode value);
	void resetPosition();

	void doAction();
	void doAction(Action action, HotspotData *hotspot);
	CurrentActionStack &currentActions() { return _currentActions; }
	CharacterScheduleEntry &npcSupportData() { return _npcSupportData; }
	PathFinder &pathFinder() { return _pathFinder; }
	uint16 frameCtr() { return _frameCtr; }
	void setFrameCtr(uint16 value) { _frameCtr = value; }
	void decrFrameCtr() { if (_frameCtr > 0) --_frameCtr; }
	uint8 actionCtr() { 
		assert(_data);
		return _data->actionCtr; 
	}
	void setActionCtr(uint8 v) { 
		assert(_data);
		_data->actionCtr = v; 
	}
	uint8 voiceCtr() { return _voiceCtr; }
	void setVoiceCtr(uint8 v) { _voiceCtr = v; }

	// Miscellaneous
	void converse(uint16 destHotspot, uint16 messageId, bool standStill);
	void scheduleConverse(uint16 destHotspot, uint16 messageId);
	void handleTalkDialog();
};

typedef ManagedList<Hotspot *> HotspotList;

} // End of namespace Lure

#endif