Repository navigation
Expand file tree
/
Copy pathInventory.cpp
More file actions
564 lines (535 loc) · 15.4 KB
/
Copy pathInventory.cpp
File metadata and controls
564 lines (535 loc) · 15.4 KB
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
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
/*
* Copyright 2010 OpenXcom Developers.
*
* This file is part of OpenXcom.
*
* OpenXcom 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 3 of the License, or
* (at your option) any later version.
*
* OpenXcom 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 OpenXcom. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Inventory.h"
#include <cmath>
#include "../Ruleset/Ruleset.h"
#include "../Ruleset/RuleInventory.h"
#include "../Engine/Palette.h"
#include "../Engine/Game.h"
#include "../Interface/Text.h"
#include "../Engine/Font.h"
#include "../Engine/Language.h"
#include "../Resource/ResourcePack.h"
#include "../Savegame/SavedGame.h"
#include "../Savegame/SavedBattleGame.h"
#include "../Engine/SurfaceSet.h"
#include "../Savegame/BattleItem.h"
#include "../Ruleset/RuleItem.h"
#include "../Savegame/BattleUnit.h"
#include "../Engine/Action.h"
#include "../Engine/SoundSet.h"
#include "../Engine/Sound.h"
#include "WarningMessage.h"
#include "../Savegame/Tile.h"
namespace OpenXcom
{
/**
* Sets up an inventory with the specified size and position.
* @param game Pointer to core game.
* @param width Width in pixels.
* @param height Height in pixels.
* @param x X position in pixels.
* @param y Y position in pixels.
*/
Inventory::Inventory(Game *game, int width, int height, int x, int y) : InteractiveSurface(width, height, x, y), _game(game), _selUnit(0), _selItem(0), _tu(true), _groundOffset(0)
{
_grid = new Surface(width, height, x, y);
_items = new Surface(width, height, x, y);
_selection = new Surface(RuleInventory::HAND_W * RuleInventory::SLOT_W, RuleInventory::HAND_H * RuleInventory::SLOT_H, x, y);
_warning = new WarningMessage(224, 24, 48, 176);
_warning->setFonts(_game->getResourcePack()->getFont("Big.fnt"), _game->getResourcePack()->getFont("Small.fnt"));
_warning->setColor(Palette::blockOffset(2));
_warning->setTextColor(Palette::blockOffset(1)-1);
}
/**
* Delete inventory surfaces.
*/
Inventory::~Inventory()
{
delete _grid;
delete _items;
delete _selection;
}
/**
* Replaces a certain amount of colors in the inventory's palette.
* @param colors Pointer to the set of colors.
* @param firstcolor Offset of the first color to replace.
* @param ncolors Amount of colors to replace.
*/
void Inventory::setPalette(SDL_Color *colors, int firstcolor, int ncolors)
{
Surface::setPalette(colors, firstcolor, ncolors);
_grid->setPalette(colors, firstcolor, ncolors);
_items->setPalette(colors, firstcolor, ncolors);
_selection->setPalette(colors, firstcolor, ncolors);
_warning->setPalette(colors, firstcolor, ncolors);
}
/**
* Changes the inventory's Time Units mode.
* When True, inventory actions cost soldier time units (for battle).
* When False, inventory actions don't cost anything (for pre-equip).
* @param tu Time Units mode.
*/
void Inventory::setTuMode(bool tu)
{
_tu = tu;
}
/**
* Changes the unit to display the inventory of.
* @param unit Pointer to battle unit.
*/
void Inventory::setSelectedUnit(BattleUnit *unit)
{
_selUnit = unit;
_groundOffset = 999;
arrangeGround();
}
/**
* Draws the inventory elements.
*/
void Inventory::draw()
{
drawGrid();
drawItems();
}
/**
* Draws the inventory grid for item placement.
*/
void Inventory::drawGrid()
{
_grid->clear();
Text text = Text(100, 9, 0, 0);
text.setPalette(_grid->getPalette());
text.setFonts(_game->getResourcePack()->getFont("Big.fnt"), _game->getResourcePack()->getFont("Small.fnt"));
text.setColor(Palette::blockOffset(4)-1);
text.setHighContrast(true);
Uint8 color = Palette::blockOffset(0)+8;
for (std::map<std::string, RuleInventory*>::iterator i = _game->getRuleset()->getInventories()->begin(); i != _game->getRuleset()->getInventories()->end(); ++i)
{
// Draw grid
if (i->second->getType() == INV_SLOT)
{
for (std::vector<RuleSlot>::iterator j = i->second->getSlots()->begin(); j != i->second->getSlots()->end(); ++j)
{
SDL_Rect r;
r.x = i->second->getX() + RuleInventory::SLOT_W * j->x;
r.y = i->second->getY() + RuleInventory::SLOT_H * j->y;
r.w = RuleInventory::SLOT_W + 1;
r.h = RuleInventory::SLOT_H + 1;
_grid->drawRect(&r, color);
r.x++;
r.y++;
r.w -= 2;
r.h -= 2;
_grid->drawRect(&r, 0);
}
}
else if (i->second->getType() == INV_HAND)
{
SDL_Rect r;
r.x = i->second->getX();
r.y = i->second->getY();
r.w = RuleInventory::HAND_W * RuleInventory::SLOT_W;
r.h = RuleInventory::HAND_H * RuleInventory::SLOT_H;
_grid->drawRect(&r, color);
r.x++;
r.y++;
r.w -= 2;
r.h -= 2;
_grid->drawRect(&r, 0);
}
else if (i->second->getType() == INV_GROUND)
{
for (int x = i->second->getX(); x <= 320; x += RuleInventory::SLOT_W)
{
for (int y = i->second->getY(); y <= 200; y += RuleInventory::SLOT_H)
{
SDL_Rect r;
r.x = x;
r.y = y;
r.w = RuleInventory::SLOT_W + 1;
r.h = RuleInventory::SLOT_H + 1;
_grid->drawRect(&r, color);
r.x++;
r.y++;
r.w -= 2;
r.h -= 2;
_grid->drawRect(&r, 0);
}
}
}
// Draw label
text.setX(i->second->getX());
text.setY(i->second->getY() - text.getFont()->getHeight() - text.getFont()->getSpacing());
text.setText(_game->getLanguage()->getString(i->second->getId()));
text.blit(_grid);
}
}
/**
* Draws the items contained in the soldier's inventory.
*/
void Inventory::drawItems()
{
_items->clear();
if (_selUnit != 0)
{
SurfaceSet *texture = _game->getResourcePack()->getSurfaceSet("BIGOBS.PCK");
// Soldier items
for (std::vector<BattleItem*>::iterator i = _selUnit->getInventory()->begin(); i != _selUnit->getInventory()->end(); ++i)
{
if ((*i) == _selItem)
continue;
Surface *frame = texture->getFrame((*i)->getRules()->getBigSprite());
if ((*i)->getSlot()->getType() == INV_SLOT)
{
frame->setX((*i)->getSlot()->getX() + (*i)->getSlotX() * RuleInventory::SLOT_W);
frame->setY((*i)->getSlot()->getY() + (*i)->getSlotY() * RuleInventory::SLOT_H);
}
else if ((*i)->getSlot()->getType() == INV_HAND)
{
frame->setX((*i)->getSlot()->getX() + (RuleInventory::HAND_W - (*i)->getRules()->getInventoryWidth()) * RuleInventory::SLOT_W/2);
frame->setY((*i)->getSlot()->getY() + (RuleInventory::HAND_H - (*i)->getRules()->getInventoryHeight()) * RuleInventory::SLOT_H/2);
}
texture->getFrame((*i)->getRules()->getBigSprite())->blit(_items);
}
// Ground items
for (std::vector<BattleItem*>::iterator i = _selUnit->getTile()->getInventory()->begin(); i != _selUnit->getTile()->getInventory()->end(); ++i)
{
if ((*i) == _selItem || (*i)->getSlotX() < _groundOffset)
continue;
Surface *frame = texture->getFrame((*i)->getRules()->getBigSprite());
frame->setX((*i)->getSlot()->getX() + ((*i)->getSlotX() - _groundOffset) * RuleInventory::SLOT_W);
frame->setY((*i)->getSlot()->getY() + (*i)->getSlotY() * RuleInventory::SLOT_H);
texture->getFrame((*i)->getRules()->getBigSprite())->blit(_items);
}
}
}
/**
* Moves an item to a specified slot in the
* selected player's inventory.
* @param item Pointer to battle item.
* @param slot Inventory slot, or NULL if none.
* @param x X position in slot.
* @param y Y position in slot.
*/
void Inventory::moveItem(BattleItem *item, RuleInventory *slot, int x, int y)
{
// Make items vanish (eg. ammo in weapons)
if (slot == 0)
{
if (item->getSlot()->getType() == INV_GROUND)
{
_selUnit->getTile()->removeItem(item);
}
else
{
item->moveToOwner(0);
}
}
else
{
// Handle dropping from/to ground.
if (slot != item->getSlot())
{
if (slot->getType() == INV_GROUND)
{
item->moveToOwner(0);
_selUnit->getTile()->addItem(item);
}
else if (item->getSlot()->getType() == INV_GROUND)
{
item->moveToOwner(_selUnit);
_selUnit->getTile()->removeItem(item);
}
}
item->setSlot(slot);
item->setSlotX(x);
item->setSlotY(y);
}
}
/**
* Checks if an item in a certain slot position would
* overlap with any other inventory item.
* @param item Pointer to battle item.
* @param slot Inventory slot, or NULL if none.
* @param x X position in slot.
* @param y Y position in slot.
* @return If there's overlap.
*/
bool Inventory::overlapItems(BattleItem *item, RuleInventory *slot, int x, int y) const
{
if (slot->getType() != INV_GROUND)
{
for (std::vector<BattleItem*>::const_iterator i = _selUnit->getInventory()->begin(); i != _selUnit->getInventory()->end(); ++i)
{
if ((*i)->getSlot() == slot && (*i)->occupiesSlot(x, y, item))
{
return true;
}
}
}
else if (_selUnit->getTile() != 0)
{
for (std::vector<BattleItem*>::const_iterator i = _selUnit->getTile()->getInventory()->begin(); i != _selUnit->getTile()->getInventory()->end(); ++i)
{
if ((*i)->occupiesSlot(x, y, item))
{
return true;
}
}
}
return false;
}
/**
* Gets the inventory slot located in the specified mouse position.
* @param x Mouse X position. Returns the slot's X position.
* @param y Mouse Y position. Returns the slot's Y position.
* @return Slot rules, or NULL if none.
*/
RuleInventory *Inventory::getSlotInPosition(int *x, int *y) const
{
for (std::map<std::string, RuleInventory*>::iterator i = _game->getRuleset()->getInventories()->begin(); i != _game->getRuleset()->getInventories()->end(); ++i)
{
if (i->second->checkSlotInPosition(x, y))
{
return i->second;
}
}
return 0;
}
/**
* Returns the item currently grabbed by the player.
* @return Pointer to selected item, or NULL if none.
*/
BattleItem *Inventory::getSelectedItem() const
{
return _selItem;
}
/**
* Changes the item currently grabbed by the player.
* @param item Pointer to selected item, or NULL if none.
*/
void Inventory::setSelectedItem(BattleItem *item)
{
_selItem = item;
if (_selItem == 0)
{
_selection->clear();
}
else
{
_selItem->getRules()->drawHandSprite(_game->getResourcePack()->getSurfaceSet("BIGOBS.PCK"), _selection);
}
drawItems();
}
/**
* Handle timers.
*/
void Inventory::think()
{
_warning->think();
}
/**
* Blits the inventory elements.
* @param surface Pointer to surface to blit onto.
*/
void Inventory::blit(Surface *surface)
{
clear();
_grid->blit(this);
_items->blit(this);
_selection->blit(this);
_warning->blit(this);
Surface::blit(surface);
}
/**
* Moves the selected item.
* @param action Pointer to an action.
* @param state State that the action handlers belong to.
*/
void Inventory::mouseOver(Action *action, State *state)
{
_selection->setX((int)floor(action->getAbsoluteXMouse()) - _selection->getWidth()/2);
_selection->setY((int)floor(action->getAbsoluteYMouse()) - _selection->getHeight()/2);
InteractiveSurface::mouseOver(action, state);
}
/**
* Picks up / drops an item.
* @param action Pointer to an action.
* @param state State that the action handlers belong to.
*/
void Inventory::mouseClick(Action *action, State *state)
{
if (action->getDetails()->button.button == SDL_BUTTON_LEFT)
{
if (_selUnit == 0)
return;
// Pickup item
if (_selItem == 0)
{
int x = (int)floor(action->getAbsoluteXMouse()),
y = (int)floor(action->getAbsoluteYMouse());
RuleInventory *slot = getSlotInPosition(&x, &y);
if (slot != 0)
{
if (slot->getType() == INV_GROUND)
{
x += _groundOffset;
}
BattleItem *item = _selUnit->getItem(slot, x, y);
if (item != 0)
{
setSelectedItem(item);
}
}
}
// Drop item
else
{
int x = _selection->getX() + (RuleInventory::HAND_W - _selItem->getRules()->getInventoryWidth()) * RuleInventory::SLOT_W/2 + RuleInventory::SLOT_W/2,
y = _selection->getY() + (RuleInventory::HAND_H - _selItem->getRules()->getInventoryHeight()) * RuleInventory::SLOT_H/2 + RuleInventory::SLOT_H/2;
RuleInventory *slot = getSlotInPosition(&x, &y);
if (slot != 0)
{
if (slot->getType() == INV_GROUND)
{
x += _groundOffset;
}
BattleItem *item = _selUnit->getItem(slot, x, y);
// Put item in empty slot
if (item == 0 || item == _selItem)
{
if (!overlapItems(_selItem, slot, x, y) && slot->fitItemInSlot(_selItem->getRules(), x, y))
{
if (_selUnit->spendTimeUnits(_selItem->getSlot()->getCost(slot), !_tu))
{
moveItem(_selItem, slot, x, y);
setSelectedItem(0);
_game->getResourcePack()->getSoundSet("BATTLE.CAT")->getSound(38)->play();
}
else
{
_warning->showMessage(_game->getLanguage()->getString("STR_NOT_ENOUGH_TIME_UNITS"));
}
}
}
// Put item in weapon
else
{
bool wrong = true;
for (std::vector<std::string>::iterator i = item->getRules()->getCompatibleAmmo()->begin(); i != item->getRules()->getCompatibleAmmo()->end(); ++i)
{
if ((*i) == _selItem->getRules()->getType())
{
wrong = false;
break;
}
}
if (wrong)
{
_warning->showMessage(_game->getLanguage()->getString("STR_WRONG_AMMUNITION_FOR_THIS_WEAPON"));
}
else
{
if (item->getAmmoItem() != 0)
{
_warning->showMessage(_game->getLanguage()->getString("STR_WEAPON_IS_ALREADY_LOADED"));
}
else if (_selUnit->spendTimeUnits(15, !_tu))
{
moveItem(_selItem, 0, 0, 0);
item->setAmmoItem(_selItem);
_selItem->moveToOwner(0);
setSelectedItem(0);
_game->getResourcePack()->getSoundSet("BATTLE.CAT")->getSound(17)->play();
}
else
{
_warning->showMessage(_game->getLanguage()->getString("STR_NOT_ENOUGH_TIME_UNITS"));
}
}
}
}
}
}
else if (action->getDetails()->button.button == SDL_BUTTON_RIGHT)
{
// Return item to original position
setSelectedItem(0);
}
InteractiveSurface::mouseClick(action, state);
}
/**
* Unloads the selected weapon, placing the gun
* on the right hand and the ammo on the left hand.
*/
void Inventory::unload()
{
// Hands must be free
for (std::vector<BattleItem*>::iterator i = _selUnit->getInventory()->begin(); i != _selUnit->getInventory()->end(); ++i)
{
if ((*i)->getSlot()->getType() == INV_HAND && (*i) != _selItem)
return;
}
if (_selUnit->spendTimeUnits(8, !_tu))
{
moveItem(_selItem->getAmmoItem(), _game->getRuleset()->getInventory("STR_LEFT_HAND"), 0, 0);
_selItem->getAmmoItem()->moveToOwner(_selUnit);
moveItem(_selItem, _game->getRuleset()->getInventory("STR_RIGHT_HAND"), 0, 0);
_selItem->moveToOwner(_selUnit);
_selItem->setAmmoItem(0);
setSelectedItem(0);
}
else
{
_warning->showMessage(_game->getLanguage()->getString("STR_NOT_ENOUGH_TIME_UNITS"));
}
}
/**
* Arranges items on the ground for the inventory display.
* Since items on the ground aren't assigned to anyone,
* they don't actually have permanent slot positions.
*/
void Inventory::arrangeGround()
{
RuleInventory *ground = _game->getRuleset()->getInventory("STR_GROUND");
// Lazy arranging
int x = 0;
if (_selUnit != 0)
{
for (std::vector<BattleItem*>::iterator i = _selUnit->getTile()->getInventory()->begin(); i != _selUnit->getTile()->getInventory()->end(); ++i)
{
(*i)->setSlot(ground);
(*i)->setSlotX(x);
(*i)->setSlotY(0);
x += (*i)->getRules()->getInventoryWidth();
}
}
int slots = (320 - ground->getX()) / RuleInventory::SLOT_W;
if (x > _groundOffset + slots)
{
_groundOffset += slots;
}
else
{
_groundOffset = 0;
}
drawItems();
}
}