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[d2df-sdl.git] / src / game / g_items.pas
1 (* Copyright (C) Doom 2D: Forever Developers
2 *
3 * This program is free software: you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation, version 3 of the License ONLY.
6 *
7 * This program is distributed in the hope that it will be useful,
8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 * GNU General Public License for more details.
11 *
12 * You should have received a copy of the GNU General Public License
13 * along with this program. If not, see <http://www.gnu.org/licenses/>.
14 *)
15 {$INCLUDE ../shared/a_modes.inc}
16 unit g_items;
17
18 interface
19
20 uses
21 SysUtils, Classes,
22 MAPDEF, g_textures, g_phys, g_saveload;
23
24 Type
25 PItem = ^TItem;
26 TItem = record
27 private
28 //treeNode: Integer;
29 slotIsUsed: Boolean;
30 arrIdx: Integer; // in ggItems
31
32 public
33 ItemType: Byte;
34 Respawnable: Boolean;
35 InitX, InitY: Integer;
36 RespawnTime: Word;
37 alive: Boolean;
38 Fall: Boolean;
39 QuietRespawn: Boolean;
40 SpawnTrigger: Integer;
41 Obj: TObj;
42 Animation: TAnimation;
43 dropped: Boolean; // dropped from the monster? drops should be rendered after corpses, so zombie corpse will not obscure ammo container, for example
44
45 procedure positionChanged (); //WARNING! call this after monster position was changed, or coldet will not work right!
46
47 property myid: Integer read arrIdx;
48 end;
49
50 procedure g_Items_LoadData();
51 procedure g_Items_FreeData();
52 procedure g_Items_Init();
53 procedure g_Items_Free();
54 function g_Items_Create(X, Y: Integer; ItemType: Byte;
55 Fall, Respawnable: Boolean; AdjCoord: Boolean = False; ForcedID: Integer = -1): DWORD;
56 procedure g_Items_SetDrop (ID: DWORD);
57 procedure g_Items_Update();
58 procedure g_Items_Draw();
59 procedure g_Items_DrawDrop();
60 procedure g_Items_Pick(ID: DWORD);
61 procedure g_Items_Remove(ID: DWORD);
62 procedure g_Items_SaveState (st: TStream);
63 procedure g_Items_LoadState (st: TStream);
64
65 procedure g_Items_RestartRound ();
66
67 function g_Items_ValidId (idx: Integer): Boolean; inline;
68 function g_Items_ByIdx (idx: Integer): PItem;
69 function g_Items_ObjByIdx (idx: Integer): PObj;
70
71 procedure g_Items_EmitPickupSound (idx: Integer); // at item position
72 procedure g_Items_EmitPickupSoundAt (idx, x, y: Integer);
73
74 procedure g_Items_AddDynLights();
75
76
77 type
78 TItemEachAliveCB = function (it: PItem): Boolean is nested; // return `true` to stop
79
80 function g_Items_ForEachAlive (cb: TItemEachAliveCB; backwards: Boolean=false): Boolean;
81
82
83 var
84 gItemsTexturesID: Array [1..ITEM_MAX] of DWORD;
85 gMaxDist: Integer = 1; // for sounds
86 ITEM_RESPAWNTIME: Integer = 60 * 36;
87
88 implementation
89
90 uses
91 Math,
92 g_basic, e_graphics, g_sound, g_main, g_gfx, g_map,
93 g_game, g_triggers, g_console, g_player, g_net, g_netmsg,
94 e_log,
95 g_grid, binheap, idpool, utils, xstreams;
96
97
98 var
99 ggItems: Array of TItem = nil;
100
101
102 // ////////////////////////////////////////////////////////////////////////// //
103 var
104 freeIds: TIdPool = nil;
105
106
107 // ////////////////////////////////////////////////////////////////////////// //
108 function g_Items_ValidId (idx: Integer): Boolean; inline;
109 begin
110 result := false;
111 if (idx < 0) or (idx > High(ggItems)) then exit;
112 if not ggItems[idx].slotIsUsed then exit;
113 result := true;
114 end;
115
116
117 function g_Items_ByIdx (idx: Integer): PItem;
118 begin
119 if (idx < 0) or (idx > High(ggItems)) then raise Exception.Create('g_ItemObjByIdx: invalid index');
120 result := @ggItems[idx];
121 if not result.slotIsUsed then raise Exception.Create('g_ItemObjByIdx: requested inexistent item');
122 end;
123
124
125 function g_Items_ObjByIdx (idx: Integer): PObj;
126 begin
127 if (idx < 0) or (idx > High(ggItems)) then raise Exception.Create('g_ItemObjByIdx: invalid index');
128 if not ggItems[idx].slotIsUsed then raise Exception.Create('g_ItemObjByIdx: requested inexistent item');
129 result := @ggItems[idx].Obj;
130 end;
131
132
133 // ////////////////////////////////////////////////////////////////////////// //
134 procedure TItem.positionChanged ();
135 begin
136 end;
137
138
139 // ////////////////////////////////////////////////////////////////////////// //
140 const
141 ITEM_SIGNATURE = $4D455449; // 'ITEM'
142
143 ITEMSIZE: Array [ITEM_MEDKIT_SMALL..ITEM_MAX] of Array [0..1] of Byte =
144 (((14), (15)), // MEDKIT_SMALL
145 ((28), (19)), // MEDKIT_LARGE
146 ((28), (19)), // MEDKIT_BLACK
147 ((31), (16)), // ARMOR_GREEN
148 ((31), (16)), // ARMOR_BLUE
149 ((25), (25)), // SPHERE_BLUE
150 ((25), (25)), // SPHERE_WHITE
151 ((24), (47)), // SUIT
152 ((14), (27)), // OXYGEN
153 ((25), (25)), // INVUL
154 ((62), (24)), // WEAPON_SAW
155 ((63), (12)), // WEAPON_SHOTGUN1
156 ((54), (13)), // WEAPON_SHOTGUN2
157 ((54), (16)), // WEAPON_CHAINGUN
158 ((62), (16)), // WEAPON_ROCKETLAUNCHER
159 ((54), (16)), // WEAPON_PLASMA
160 ((61), (36)), // WEAPON_BFG
161 ((54), (16)), // WEAPON_SUPERPULEMET
162 (( 9), (11)), // AMMO_BULLETS
163 ((28), (16)), // AMMO_BULLETS_BOX
164 ((15), ( 7)), // AMMO_SHELLS
165 ((32), (12)), // AMMO_SHELLS_BOX
166 ((12), (27)), // AMMO_ROCKET
167 ((54), (21)), // AMMO_ROCKET_BOX
168 ((15), (12)), // AMMO_CELL
169 ((32), (21)), // AMMO_CELL_BIG
170 ((22), (29)), // AMMO_BACKPACK
171 ((16), (16)), // KEY_RED
172 ((16), (16)), // KEY_GREEN
173 ((16), (16)), // KEY_BLUE
174 (( 1), ( 1)), // WEAPON_KASTET
175 ((43), (16)), // WEAPON_PISTOL
176 ((14), (18)), // BOTTLE
177 ((16), (15)), // HELMET
178 ((32), (24)), // JETPACK
179 ((25), (25)), // INVIS
180 ((53), (20)), // WEAPON_FLAMETHROWER
181 ((13), (20))); // AMMO_FUELCAN
182
183 procedure InitTextures();
184 begin
185 g_Texture_Get('ITEM_MEDKIT_SMALL', gItemsTexturesID[ITEM_MEDKIT_SMALL]);
186 g_Texture_Get('ITEM_MEDKIT_LARGE', gItemsTexturesID[ITEM_MEDKIT_LARGE]);
187 g_Texture_Get('ITEM_MEDKIT_BLACK', gItemsTexturesID[ITEM_MEDKIT_BLACK]);
188 g_Texture_Get('ITEM_SUIT', gItemsTexturesID[ITEM_SUIT]);
189 g_Texture_Get('ITEM_OXYGEN', gItemsTexturesID[ITEM_OXYGEN]);
190 g_Texture_Get('ITEM_WEAPON_SAW', gItemsTexturesID[ITEM_WEAPON_SAW]);
191 g_Texture_Get('ITEM_WEAPON_SHOTGUN1', gItemsTexturesID[ITEM_WEAPON_SHOTGUN1]);
192 g_Texture_Get('ITEM_WEAPON_SHOTGUN2', gItemsTexturesID[ITEM_WEAPON_SHOTGUN2]);
193 g_Texture_Get('ITEM_WEAPON_CHAINGUN', gItemsTexturesID[ITEM_WEAPON_CHAINGUN]);
194 g_Texture_Get('ITEM_WEAPON_ROCKETLAUNCHER', gItemsTexturesID[ITEM_WEAPON_ROCKETLAUNCHER]);
195 g_Texture_Get('ITEM_WEAPON_PLASMA', gItemsTexturesID[ITEM_WEAPON_PLASMA]);
196 g_Texture_Get('ITEM_WEAPON_BFG', gItemsTexturesID[ITEM_WEAPON_BFG]);
197 g_Texture_Get('ITEM_WEAPON_SUPERPULEMET', gItemsTexturesID[ITEM_WEAPON_SUPERPULEMET]);
198 g_Texture_Get('ITEM_WEAPON_FLAMETHROWER', gItemsTexturesID[ITEM_WEAPON_FLAMETHROWER]);
199 g_Texture_Get('ITEM_AMMO_BULLETS', gItemsTexturesID[ITEM_AMMO_BULLETS]);
200 g_Texture_Get('ITEM_AMMO_BULLETS_BOX', gItemsTexturesID[ITEM_AMMO_BULLETS_BOX]);
201 g_Texture_Get('ITEM_AMMO_SHELLS', gItemsTexturesID[ITEM_AMMO_SHELLS]);
202 g_Texture_Get('ITEM_AMMO_SHELLS_BOX', gItemsTexturesID[ITEM_AMMO_SHELLS_BOX]);
203 g_Texture_Get('ITEM_AMMO_ROCKET', gItemsTexturesID[ITEM_AMMO_ROCKET]);
204 g_Texture_Get('ITEM_AMMO_ROCKET_BOX', gItemsTexturesID[ITEM_AMMO_ROCKET_BOX]);
205 g_Texture_Get('ITEM_AMMO_CELL', gItemsTexturesID[ITEM_AMMO_CELL]);
206 g_Texture_Get('ITEM_AMMO_CELL_BIG', gItemsTexturesID[ITEM_AMMO_CELL_BIG]);
207 g_Texture_Get('ITEM_AMMO_FUELCAN', gItemsTexturesID[ITEM_AMMO_FUELCAN]);
208 g_Texture_Get('ITEM_AMMO_BACKPACK', gItemsTexturesID[ITEM_AMMO_BACKPACK]);
209 g_Texture_Get('ITEM_KEY_RED', gItemsTexturesID[ITEM_KEY_RED]);
210 g_Texture_Get('ITEM_KEY_GREEN', gItemsTexturesID[ITEM_KEY_GREEN]);
211 g_Texture_Get('ITEM_KEY_BLUE', gItemsTexturesID[ITEM_KEY_BLUE]);
212 g_Texture_Get('ITEM_WEAPON_KASTET', gItemsTexturesID[ITEM_WEAPON_KASTET]);
213 g_Texture_Get('ITEM_WEAPON_PISTOL', gItemsTexturesID[ITEM_WEAPON_PISTOL]);
214 end;
215
216 procedure g_Items_LoadData();
217 begin
218 e_WriteLog('Loading items data...', TMsgType.Notify);
219
220 g_Sound_CreateWADEx('SOUND_ITEM_RESPAWNITEM', GameWAD+':SOUNDS\RESPAWNITEM');
221 g_Sound_CreateWADEx('SOUND_ITEM_GETRULEZ', GameWAD+':SOUNDS\GETRULEZ');
222 g_Sound_CreateWADEx('SOUND_ITEM_GETWEAPON', GameWAD+':SOUNDS\GETWEAPON');
223 g_Sound_CreateWADEx('SOUND_ITEM_GETITEM', GameWAD+':SOUNDS\GETITEM');
224
225 g_Frames_CreateWAD(nil, 'FRAMES_ITEM_BLUESPHERE', GameWAD+':TEXTURES\SBLUE', 32, 32, 4, True);
226 g_Frames_CreateWAD(nil, 'FRAMES_ITEM_WHITESPHERE', GameWAD+':TEXTURES\SWHITE', 32, 32, 4, True);
227 g_Frames_CreateWAD(nil, 'FRAMES_ITEM_ARMORGREEN', GameWAD+':TEXTURES\ARMORGREEN', 32, 16, 3, True);
228 g_Frames_CreateWAD(nil, 'FRAMES_ITEM_ARMORBLUE', GameWAD+':TEXTURES\ARMORBLUE', 32, 16, 3, True);
229 g_Frames_CreateWAD(nil, 'FRAMES_ITEM_JETPACK', GameWAD+':TEXTURES\JETPACK', 32, 32, 3, True);
230 g_Frames_CreateWAD(nil, 'FRAMES_ITEM_INVUL', GameWAD+':TEXTURES\INVUL', 32, 32, 4, True);
231 g_Frames_CreateWAD(nil, 'FRAMES_ITEM_INVIS', GameWAD+':TEXTURES\INVIS', 32, 32, 4, True);
232 g_Frames_CreateWAD(nil, 'FRAMES_ITEM_RESPAWN', GameWAD+':TEXTURES\ITEMRESPAWN', 32, 32, 5, True);
233 g_Frames_CreateWAD(nil, 'FRAMES_ITEM_BOTTLE', GameWAD+':TEXTURES\BOTTLE', 16, 32, 4, True);
234 g_Frames_CreateWAD(nil, 'FRAMES_ITEM_HELMET', GameWAD+':TEXTURES\HELMET', 16, 16, 4, True);
235 g_Frames_CreateWAD(nil, 'FRAMES_FLAG_RED', GameWAD+':TEXTURES\FLAGRED', 64, 64, 5, False);
236 g_Frames_CreateWAD(nil, 'FRAMES_FLAG_BLUE', GameWAD+':TEXTURES\FLAGBLUE', 64, 64, 5, False);
237 g_Frames_CreateWAD(nil, 'FRAMES_FLAG_DOM', GameWAD+':TEXTURES\FLAGDOM', 64, 64, 5, False);
238 g_Texture_CreateWADEx('ITEM_MEDKIT_SMALL', GameWAD+':TEXTURES\MED1');
239 g_Texture_CreateWADEx('ITEM_MEDKIT_LARGE', GameWAD+':TEXTURES\MED2');
240 g_Texture_CreateWADEx('ITEM_WEAPON_SAW', GameWAD+':TEXTURES\SAW');
241 g_Texture_CreateWADEx('ITEM_WEAPON_PISTOL', GameWAD+':TEXTURES\PISTOL');
242 g_Texture_CreateWADEx('ITEM_WEAPON_KASTET', GameWAD+':TEXTURES\KASTET');
243 g_Texture_CreateWADEx('ITEM_WEAPON_SHOTGUN1', GameWAD+':TEXTURES\SHOTGUN1');
244 g_Texture_CreateWADEx('ITEM_WEAPON_SHOTGUN2', GameWAD+':TEXTURES\SHOTGUN2');
245 g_Texture_CreateWADEx('ITEM_WEAPON_CHAINGUN', GameWAD+':TEXTURES\MGUN');
246 g_Texture_CreateWADEx('ITEM_WEAPON_ROCKETLAUNCHER', GameWAD+':TEXTURES\RLAUNCHER');
247 g_Texture_CreateWADEx('ITEM_WEAPON_PLASMA', GameWAD+':TEXTURES\PGUN');
248 g_Texture_CreateWADEx('ITEM_WEAPON_BFG', GameWAD+':TEXTURES\BFG');
249 g_Texture_CreateWADEx('ITEM_WEAPON_SUPERPULEMET', GameWAD+':TEXTURES\SPULEMET');
250 g_Texture_CreateWADEx('ITEM_WEAPON_FLAMETHROWER', GameWAD+':TEXTURES\FLAMETHROWER');
251 g_Texture_CreateWADEx('ITEM_AMMO_BULLETS', GameWAD+':TEXTURES\CLIP');
252 g_Texture_CreateWADEx('ITEM_AMMO_BULLETS_BOX', GameWAD+':TEXTURES\AMMO');
253 g_Texture_CreateWADEx('ITEM_AMMO_SHELLS', GameWAD+':TEXTURES\SHELL1');
254 g_Texture_CreateWADEx('ITEM_AMMO_SHELLS_BOX', GameWAD+':TEXTURES\SHELL2');
255 g_Texture_CreateWADEx('ITEM_AMMO_ROCKET', GameWAD+':TEXTURES\ROCKET');
256 g_Texture_CreateWADEx('ITEM_AMMO_ROCKET_BOX', GameWAD+':TEXTURES\ROCKETS');
257 g_Texture_CreateWADEx('ITEM_AMMO_CELL', GameWAD+':TEXTURES\CELL');
258 g_Texture_CreateWADEx('ITEM_AMMO_CELL_BIG', GameWAD+':TEXTURES\CELL2');
259 g_Texture_CreateWADEx('ITEM_AMMO_FUELCAN', GameWAD+':TEXTURES\FUELCAN');
260 g_Texture_CreateWADEx('ITEM_AMMO_BACKPACK', GameWAD+':TEXTURES\BPACK');
261 g_Texture_CreateWADEx('ITEM_KEY_RED', GameWAD+':TEXTURES\KEYR');
262 g_Texture_CreateWADEx('ITEM_KEY_GREEN', GameWAD+':TEXTURES\KEYG');
263 g_Texture_CreateWADEx('ITEM_KEY_BLUE', GameWAD+':TEXTURES\KEYB');
264 g_Texture_CreateWADEx('ITEM_OXYGEN', GameWAD+':TEXTURES\OXYGEN');
265 g_Texture_CreateWADEx('ITEM_SUIT', GameWAD+':TEXTURES\SUIT');
266 g_Texture_CreateWADEx('ITEM_WEAPON_KASTET', GameWAD+':TEXTURES\KASTET');
267 g_Texture_CreateWADEx('ITEM_MEDKIT_BLACK', GameWAD+':TEXTURES\BMED');
268
269 InitTextures();
270
271 freeIds := TIdPool.Create();
272 end;
273
274
275 procedure g_Items_FreeData();
276 begin
277 e_WriteLog('Releasing items data...', TMsgType.Notify);
278
279 g_Sound_Delete('SOUND_ITEM_RESPAWNITEM');
280 g_Sound_Delete('SOUND_ITEM_GETRULEZ');
281 g_Sound_Delete('SOUND_ITEM_GETWEAPON');
282 g_Sound_Delete('SOUND_ITEM_GETITEM');
283
284 g_Frames_DeleteByName('FRAMES_ITEM_BLUESPHERE');
285 g_Frames_DeleteByName('FRAMES_ITEM_WHITESPHERE');
286 g_Frames_DeleteByName('FRAMES_ITEM_ARMORGREEN');
287 g_Frames_DeleteByName('FRAMES_ITEM_ARMORBLUE');
288 g_Frames_DeleteByName('FRAMES_ITEM_JETPACK');
289 g_Frames_DeleteByName('FRAMES_ITEM_INVUL');
290 g_Frames_DeleteByName('FRAMES_ITEM_INVIS');
291 g_Frames_DeleteByName('FRAMES_ITEM_RESPAWN');
292 g_Frames_DeleteByName('FRAMES_ITEM_BOTTLE');
293 g_Frames_DeleteByName('FRAMES_ITEM_HELMET');
294 g_Frames_DeleteByName('FRAMES_FLAG_RED');
295 g_Frames_DeleteByName('FRAMES_FLAG_BLUE');
296 g_Frames_DeleteByName('FRAMES_FLAG_DOM');
297 g_Texture_Delete('ITEM_MEDKIT_SMALL');
298 g_Texture_Delete('ITEM_MEDKIT_LARGE');
299 g_Texture_Delete('ITEM_WEAPON_SAW');
300 g_Texture_Delete('ITEM_WEAPON_PISTOL');
301 g_Texture_Delete('ITEM_WEAPON_KASTET');
302 g_Texture_Delete('ITEM_WEAPON_SHOTGUN1');
303 g_Texture_Delete('ITEM_WEAPON_SHOTGUN2');
304 g_Texture_Delete('ITEM_WEAPON_CHAINGUN');
305 g_Texture_Delete('ITEM_WEAPON_ROCKETLAUNCHER');
306 g_Texture_Delete('ITEM_WEAPON_PLASMA');
307 g_Texture_Delete('ITEM_WEAPON_BFG');
308 g_Texture_Delete('ITEM_WEAPON_SUPERPULEMET');
309 g_Texture_Delete('ITEM_WEAPON_FLAMETHROWER');
310 g_Texture_Delete('ITEM_AMMO_BULLETS');
311 g_Texture_Delete('ITEM_AMMO_BULLETS_BOX');
312 g_Texture_Delete('ITEM_AMMO_SHELLS');
313 g_Texture_Delete('ITEM_AMMO_SHELLS_BOX');
314 g_Texture_Delete('ITEM_AMMO_ROCKET');
315 g_Texture_Delete('ITEM_AMMO_ROCKET_BOX');
316 g_Texture_Delete('ITEM_AMMO_CELL');
317 g_Texture_Delete('ITEM_AMMO_CELL_BIG');
318 g_Texture_Delete('ITEM_AMMO_FUELCAN');
319 g_Texture_Delete('ITEM_AMMO_BACKPACK');
320 g_Texture_Delete('ITEM_KEY_RED');
321 g_Texture_Delete('ITEM_KEY_GREEN');
322 g_Texture_Delete('ITEM_KEY_BLUE');
323 g_Texture_Delete('ITEM_OXYGEN');
324 g_Texture_Delete('ITEM_SUIT');
325 g_Texture_Delete('ITEM_WEAPON_KASTET');
326 g_Texture_Delete('ITEM_MEDKIT_BLACK');
327
328 freeIds.Free();
329 freeIds := nil;
330 end;
331
332
333 procedure releaseItem (idx: Integer);
334 var
335 it: PItem;
336 begin
337 if (idx < 0) or (idx > High(ggItems)) then raise Exception.Create('releaseItem: invalid item id');
338 if not freeIds.hasAlloced[LongWord(idx)] then raise Exception.Create('releaseItem: trying to release unallocated item (0)');
339 it := @ggItems[idx];
340 if not it.slotIsUsed then raise Exception.Create('releaseItem: trying to release unallocated item (1)');
341 if (it.arrIdx <> idx) then raise Exception.Create('releaseItem: arrIdx inconsistency');
342 it.slotIsUsed := false;
343 if (it.Animation <> nil) then
344 begin
345 it.Animation.Free();
346 it.Animation := nil;
347 end;
348 it.alive := False;
349 it.SpawnTrigger := -1;
350 it.ItemType := ITEM_NONE;
351 freeIds.release(LongWord(idx));
352 end;
353
354
355 procedure growItemArrayTo (newsz: Integer);
356 var
357 i, olen: Integer;
358 it: PItem;
359 begin
360 if (newsz < Length(ggItems)) then exit;
361 // no free slots
362 olen := Length(ggItems);
363 SetLength(ggItems, newsz);
364 for i := olen to High(ggItems) do
365 begin
366 it := @ggItems[i];
367 it.slotIsUsed := false;
368 it.arrIdx := i;
369 it.ItemType := ITEM_NONE;
370 it.Animation := nil;
371 it.alive := false;
372 it.SpawnTrigger := -1;
373 it.Respawnable := false;
374 //if not freeIds.hasFree[LongWord(i)] then raise Exception.Create('internal error in item idx manager');
375 end;
376 end;
377
378
379 function allocItem (): DWORD;
380 begin
381 result := freeIds.alloc();
382 if (result >= Length(ggItems)) then growItemArrayTo(Integer(result)+64);
383 if (Integer(result) > High(ggItems)) then raise Exception.Create('allocItem: freeid list corrupted');
384 if (ggItems[result].arrIdx <> Integer(result)) then raise Exception.Create('allocItem: arrIdx inconsistency');
385 end;
386
387
388 // it will be slow if the slot is free (we have to rebuild the heap)
389 function wantItemSlot (slot: Integer): Integer;
390 var
391 olen: Integer;
392 it: PItem;
393 begin
394 if (slot < 0) or (slot > $0fffffff) then raise Exception.Create('wantItemSlot: bad item slot request');
395 // do we need to grow item storate?
396 olen := Length(ggItems);
397 if (slot >= olen) then growItemArrayTo(slot+64);
398
399 it := @ggItems[slot];
400 if not it.slotIsUsed then
401 begin
402 freeIds.alloc(LongWord(slot));
403 end
404 else
405 begin
406 if not freeIds.hasAlloced[slot] then raise Exception.Create('wantItemSlot: internal error in item idx manager');
407 end;
408 it.slotIsUsed := false;
409
410 result := slot;
411 end;
412
413
414 // ////////////////////////////////////////////////////////////////////////// //
415 procedure g_Items_Init ();
416 var
417 a, b: Integer;
418 begin
419 if gMapInfo.Height > gPlayerScreenSize.Y then a := gMapInfo.Height-gPlayerScreenSize.Y else a := gMapInfo.Height;
420 if gMapInfo.Width > gPlayerScreenSize.X then b := gMapInfo.Width-gPlayerScreenSize.X else b := gMapInfo.Width;
421 gMaxDist := Trunc(Hypot(a, b));
422 end;
423
424
425 procedure g_Items_Free ();
426 var
427 i: Integer;
428 begin
429 if (ggItems <> nil) then
430 begin
431 for i := 0 to High(ggItems) do ggItems[i].Animation.Free();
432 ggItems := nil;
433 end;
434 freeIds.clear();
435 end;
436
437
438 function g_Items_Create (X, Y: Integer; ItemType: Byte;
439 Fall, Respawnable: Boolean; AdjCoord: Boolean = False; ForcedID: Integer = -1): DWORD;
440 var
441 find_id: DWORD;
442 ID: DWORD;
443 it: PItem;
444 begin
445 if ForcedID < 0 then find_id := allocItem() else find_id := wantItemSlot(ForcedID);
446
447 //{$IF DEFINED(D2F_DEBUG)}e_WriteLog(Format('allocated item #%d', [Integer(find_id)]), MSG_NOTIFY);{$ENDIF}
448
449 it := @ggItems[find_id];
450
451 if (it.arrIdx <> Integer(find_id)) then raise Exception.Create('g_Items_Create: arrIdx inconsistency');
452 //it.arrIdx := find_id;
453 it.slotIsUsed := true;
454
455 it.ItemType := ItemType;
456 it.Respawnable := Respawnable;
457 if g_Game_IsServer and (ITEM_RESPAWNTIME = 0) then it.Respawnable := False;
458 it.InitX := X;
459 it.InitY := Y;
460 it.RespawnTime := 0;
461 it.Fall := Fall;
462 it.alive := True;
463 it.QuietRespawn := False;
464 it.dropped := false;
465
466 g_Obj_Init(@it.Obj);
467 it.Obj.X := X;
468 it.Obj.Y := Y;
469 it.Obj.Rect.Width := ITEMSIZE[ItemType][0];
470 it.Obj.Rect.Height := ITEMSIZE[ItemType][1];
471
472 it.Animation := nil;
473 it.SpawnTrigger := -1;
474
475 // Êîîðäèíàòû îòíîñèòåëüíî öåíòðà íèæíåãî ðåáðà
476 if AdjCoord then
477 begin
478 with it^ do
479 begin
480 Obj.X := X - (Obj.Rect.Width div 2);
481 Obj.Y := Y - Obj.Rect.Height;
482 InitX := Obj.X;
483 InitY := Obj.Y;
484 end;
485 end;
486
487 // Óñòàíîâêà àíèìàöèè
488 case it.ItemType of
489 ITEM_ARMOR_GREEN: if g_Frames_Get(ID, 'FRAMES_ITEM_ARMORGREEN') then it.Animation := TAnimation.Create(ID, True, 20);
490 ITEM_ARMOR_BLUE: if g_Frames_Get(ID, 'FRAMES_ITEM_ARMORBLUE') then it.Animation := TAnimation.Create(ID, True, 20);
491 ITEM_JETPACK: if g_Frames_Get(ID, 'FRAMES_ITEM_JETPACK') then it.Animation := TAnimation.Create(ID, True, 15);
492 ITEM_SPHERE_BLUE: if g_Frames_Get(ID, 'FRAMES_ITEM_BLUESPHERE') then it.Animation := TAnimation.Create(ID, True, 15);
493 ITEM_SPHERE_WHITE: if g_Frames_Get(ID, 'FRAMES_ITEM_WHITESPHERE') then it.Animation := TAnimation.Create(ID, True, 20);
494 ITEM_INVUL: if g_Frames_Get(ID, 'FRAMES_ITEM_INVUL') then it.Animation := TAnimation.Create(ID, True, 20);
495 ITEM_INVIS: if g_Frames_Get(ID, 'FRAMES_ITEM_INVIS') then it.Animation := TAnimation.Create(ID, True, 20);
496 ITEM_BOTTLE: if g_Frames_Get(ID, 'FRAMES_ITEM_BOTTLE') then it.Animation := TAnimation.Create(ID, True, 20);
497 ITEM_HELMET: if g_Frames_Get(ID, 'FRAMES_ITEM_HELMET') then it.Animation := TAnimation.Create(ID, True, 20);
498 end;
499
500 it.positionChanged();
501
502 result := find_id;
503 end;
504
505
506 procedure g_Items_Update ();
507 var
508 i, j, k: Integer;
509 ID: DWord;
510 Anim: TAnimation;
511 m: Word;
512 r, nxt: Boolean;
513 begin
514 if (ggItems = nil) then exit;
515
516 for i := 0 to High(ggItems) do
517 begin
518 if (ggItems[i].ItemType = ITEM_NONE) then continue;
519 if not ggItems[i].slotIsUsed then continue; // just in case
520
521 with ggItems[i] do
522 begin
523 nxt := False;
524
525 if alive then
526 begin
527 if Fall then
528 begin
529 m := g_Obj_Move(@Obj, True, True);
530 positionChanged(); // this updates spatial accelerators
531
532 // Ñîïðîòèâëåíèå âîçäóõà
533 if gTime mod (GAME_TICK*2) = 0 then Obj.Vel.X := z_dec(Obj.Vel.X, 1);
534
535 // Åñëè âûïàë çà êàðòó
536 if WordBool(m and MOVE_FALLOUT) then
537 begin
538 if SpawnTrigger = -1 then
539 begin
540 g_Items_Pick(i);
541 end
542 else
543 begin
544 g_Items_Remove(i);
545 if g_Game_IsServer and g_Game_IsNet then MH_SEND_ItemDestroy(True, i);
546 end;
547 continue;
548 end;
549 end;
550
551 // Åñëè èãðîêè ïîáëèçîñòè
552 if (gPlayers <> nil) then
553 begin
554 j := Random(Length(gPlayers))-1;
555
556 for k := 0 to High(gPlayers) do
557 begin
558 Inc(j);
559 if j > High(gPlayers) then j := 0;
560
561 if (gPlayers[j] <> nil) and gPlayers[j].alive and g_Obj_Collide(@gPlayers[j].Obj, @Obj) then
562 begin
563 if g_Game_IsClient then continue;
564
565 if not gPlayers[j].PickItem(ItemType, Respawnable, r) then continue;
566
567 if g_Game_IsNet then MH_SEND_PlayerStats(gPlayers[j].UID);
568
569 {
570 Doom 2D: Original:
571 1. I_NONE,I_CLIP,I_SHEL,I_ROCKET,I_CELL,I_AMMO,I_SBOX,I_RBOX,I_CELP,I_BPACK,I_CSAW,I_SGUN,I_SGUN2,I_MGUN,I_LAUN,I_PLAS,I_BFG,I_GUN2
572 +2. I_MEGA,I_INVL,I_SUPER
573 3. I_STIM,I_MEDI,I_ARM1,I_ARM2,I_AQUA,I_KEYR,I_KEYG,I_KEYB,I_SUIT,I_RTORCH,I_GTORCH,I_BTORCH,I_GOR1,I_FCAN
574 }
575 g_Items_EmitPickupSoundAt(i, gPlayers[j].Obj.X, gPlayers[j].Obj.Y);
576
577 // Íàäî óáðàòü ñ êàðòû, åñëè ýòî íå êëþ÷, êîòîðûì íóæíî ïîäåëèòüñÿ ñ äðóãèì èãðîêîì
578 if r then
579 begin
580 if not Respawnable then g_Items_Remove(i) else g_Items_Pick(i);
581 if g_Game_IsNet then MH_SEND_ItemDestroy(False, i);
582 nxt := True;
583 break;
584 end;
585 end;
586 end;
587 end;
588
589 if nxt then continue;
590 end;
591
592 if Respawnable and g_Game_IsServer then
593 begin
594 DecMin(RespawnTime, 0);
595 if (RespawnTime = 0) and (not alive) then
596 begin
597 if not QuietRespawn then g_Sound_PlayExAt('SOUND_ITEM_RESPAWNITEM', InitX, InitY);
598
599 if g_Frames_Get(ID, 'FRAMES_ITEM_RESPAWN') then
600 begin
601 Anim := TAnimation.Create(ID, False, 4);
602 g_GFX_OnceAnim(InitX+(Obj.Rect.Width div 2)-16, InitY+(Obj.Rect.Height div 2)-16, Anim);
603 Anim.Free();
604 end;
605
606 Obj.X := InitX;
607 Obj.Y := InitY;
608 Obj.Vel.X := 0;
609 Obj.Vel.Y := 0;
610 Obj.Accel.X := 0;
611 Obj.Accel.Y := 0;
612 positionChanged(); // this updates spatial accelerators
613
614 alive := true;
615
616 if g_Game_IsNet then MH_SEND_ItemSpawn(QuietRespawn, i);
617 QuietRespawn := false;
618 end;
619 end;
620
621 if (Animation <> nil) then Animation.Update();
622 end;
623 end;
624 end;
625
626
627 procedure itemsDrawInternal (dropflag: Boolean);
628 var
629 i: Integer;
630 it: PItem;
631 begin
632 if (ggItems = nil) then exit;
633
634 for i := 0 to High(ggItems) do
635 begin
636 it := @ggItems[i];
637 if (not it.slotIsUsed) or (it.ItemType = ITEM_NONE) then continue; // just in case
638 if not it.alive then continue;
639 if (it.dropped <> dropflag) then continue;
640
641 with it^ do
642 begin
643 if g_Collide(Obj.X, Obj.Y, Obj.Rect.Width, Obj.Rect.Height, sX, sY, sWidth, sHeight) then
644 begin
645 if (Animation = nil) then
646 begin
647 e_Draw(gItemsTexturesID[ItemType], Obj.X, Obj.Y, 0, true, false);
648 end
649 else
650 begin
651 Animation.Draw(Obj.X, Obj.Y, TMirrorType.None);
652 end;
653
654 if g_debug_Frames then
655 begin
656 e_DrawQuad(Obj.X+Obj.Rect.X,
657 Obj.Y+Obj.Rect.Y,
658 Obj.X+Obj.Rect.X+Obj.Rect.Width-1,
659 Obj.Y+Obj.Rect.Y+Obj.Rect.Height-1,
660 0, 255, 0);
661 end;
662 end;
663 end;
664 end;
665 end;
666
667
668 procedure g_Items_Draw ();
669 begin
670 itemsDrawInternal(false);
671 end;
672
673 procedure g_Items_DrawDrop ();
674 begin
675 itemsDrawInternal(true);
676 end;
677
678
679 procedure g_Items_SetDrop (ID: DWORD);
680 begin
681 if (ID < Length(ggItems)) then
682 begin
683 ggItems[ID].dropped := true;
684 end;
685 end;
686
687
688 procedure g_Items_Pick (ID: DWORD);
689 begin
690 if (ID < Length(ggItems)) then
691 begin
692 ggItems[ID].alive := false;
693 ggItems[ID].RespawnTime := ITEM_RESPAWNTIME;
694 end;
695 end;
696
697
698 procedure g_Items_Remove (ID: DWORD);
699 var
700 it: PItem;
701 trig: Integer;
702 begin
703 if not g_Items_ValidId(ID) then
704 begin
705 //writeln('g_Items_Remove: invalid item id: ', ID);
706 raise Exception.Create('g_Items_Remove: invalid item id');
707 //exit;
708 end;
709
710 it := @ggItems[ID];
711 if (it.arrIdx <> Integer(ID)) then raise Exception.Create('g_Items_Remove: arrIdx desync');
712
713 trig := it.SpawnTrigger;
714
715 releaseItem(ID);
716
717 if (trig > -1) then g_Triggers_DecreaseSpawner(trig);
718 end;
719
720
721 procedure g_Items_SaveState (st: TStream);
722 var
723 count, i: Integer;
724 tt: Byte;
725 begin
726 // Ñ÷èòàåì êîëè÷åñòâî ñóùåñòâóþùèõ ïðåäìåòîâ
727 count := 0;
728 for i := 0 to High(ggItems) do if (ggItems[i].ItemType <> ITEM_NONE) and (ggItems[i].slotIsUsed) then Inc(count);
729
730 // Êîëè÷åñòâî ïðåäìåòîâ
731 utils.writeInt(st, LongInt(count));
732 if (count = 0) then exit;
733
734 for i := 0 to High(ggItems) do
735 begin
736 if (ggItems[i].ItemType <> ITEM_NONE) and (ggItems[i].slotIsUsed) then
737 begin
738 // Ñèãíàòóðà ïðåäìåòà
739 utils.writeSign(st, 'ITEM');
740 utils.writeInt(st, Byte(0));
741 // Òèï ïðåäìåòà
742 tt := ggItems[i].ItemType;
743 if ggItems[i].dropped then tt := tt or $80;
744 utils.writeInt(st, Byte(tt));
745 // Åñòü ëè ðåñïàóí
746 utils.writeBool(st, ggItems[i].Respawnable);
747 // Êîîðäèíàòû ðåñïóíà
748 utils.writeInt(st, LongInt(ggItems[i].InitX));
749 utils.writeInt(st, LongInt(ggItems[i].InitY));
750 // Âðåìÿ äî ðåñïàóíà
751 utils.writeInt(st, Word(ggItems[i].RespawnTime));
752 // Ñóùåñòâóåò ëè ýòîò ïðåäìåò
753 utils.writeBool(st, ggItems[i].alive);
754 // Ìîæåò ëè îí ïàäàòü
755 utils.writeBool(st, ggItems[i].Fall);
756 // Èíäåêñ òðèããåðà, ñîçäàâøåãî ïðåäìåò
757 utils.writeInt(st, LongInt(ggItems[i].SpawnTrigger));
758 // Îáúåêò ïðåäìåòà
759 Obj_SaveState(st, @ggItems[i].Obj);
760 end;
761 end;
762 end;
763
764
765 procedure g_Items_LoadState (st: TStream);
766 var
767 count, i, a: Integer;
768 b: Byte;
769 begin
770 assert(st <> nil);
771
772 g_Items_Free();
773
774 // Êîëè÷åñòâî ïðåäìåòîâ
775 count := utils.readLongInt(st);
776 if (count = 0) then exit;
777 if (count < 0) or (count > 1024*1024) then raise XStreamError.Create('invalid number of items');
778
779 for a := 0 to count-1 do
780 begin
781 // Ñèãíàòóðà ïðåäìåòà
782 if not utils.checkSign(st, 'ITEM') then raise XStreamError.Create('invalid item signature');
783 if (utils.readByte(st) <> 0) then raise XStreamError.Create('invalid item version');
784 // Òèï ïðåäìåòà
785 b := utils.readByte(st); // bit7=1: monster drop
786 // Ñîçäàåì ïðåäìåò
787 i := g_Items_Create(0, 0, b and $7F, False, False);
788 if ((b and $80) <> 0) then g_Items_SetDrop(i);
789 // Åñòü ëè ðåñïàóí
790 ggItems[i].Respawnable := utils.readBool(st);
791 // Êîîðäèíàòû ðåñïóíà
792 ggItems[i].InitX := utils.readLongInt(st);
793 ggItems[i].InitY := utils.readLongInt(st);
794 // Âðåìÿ äî ðåñïàóíà
795 ggItems[i].RespawnTime := utils.readWord(st);
796 // Ñóùåñòâóåò ëè ýòîò ïðåäìåò
797 ggItems[i].alive := utils.readBool(st);
798 // Ìîæåò ëè îí ïàäàòü
799 ggItems[i].Fall := utils.readBool(st);
800 // Èíäåêñ òðèããåðà, ñîçäàâøåãî ïðåäìåò
801 ggItems[i].SpawnTrigger := utils.readLongInt(st);
802 // Îáúåêò ïðåäìåòà
803 Obj_LoadState(@ggItems[i].Obj, st);
804 end;
805 end;
806
807
808 procedure g_Items_RestartRound ();
809 var
810 i: Integer;
811 it: PItem;
812 begin
813 for i := 0 to High(ggItems) do
814 begin
815 it := @ggItems[i];
816 if not it.slotIsUsed then continue;
817 if it.Respawnable and (it.ItemType <> ITEM_NONE) then
818 begin
819 it.QuietRespawn := True;
820 it.RespawnTime := 0;
821 end
822 else
823 begin
824 g_Items_Remove(i);
825 if g_Game_IsNet then MH_SEND_ItemDestroy(True, i);
826 end;
827 end;
828 end;
829
830
831 function g_Items_ForEachAlive (cb: TItemEachAliveCB; backwards: Boolean=false): Boolean;
832 var
833 idx: Integer;
834 begin
835 result := false;
836 if (ggItems = nil) or not assigned(cb) then exit;
837
838 if backwards then
839 begin
840 for idx := High(ggItems) downto 0 do
841 begin
842 if ggItems[idx].alive and ggItems[idx].slotIsUsed then
843 begin
844 result := cb(@ggItems[idx]);
845 if result then exit;
846 end;
847 end;
848 end
849 else
850 begin
851 for idx := 0 to High(ggItems) do
852 begin
853 if ggItems[idx].alive and ggItems[idx].slotIsUsed then
854 begin
855 result := cb(@ggItems[idx]);
856 if result then exit;
857 end;
858 end;
859 end;
860 end;
861
862
863 // ////////////////////////////////////////////////////////////////////////// //
864 procedure g_Items_EmitPickupSound (idx: Integer);
865 var
866 it: PItem;
867 begin
868 if not g_Items_ValidId(idx) then exit;
869 it := @ggItems[idx];
870 g_Items_EmitPickupSoundAt(idx, it.Obj.X, it.Obj.Y);
871 end;
872
873 procedure g_Items_EmitPickupSoundAt (idx, x, y: Integer);
874 var
875 it: PItem;
876 begin
877 if not g_Items_ValidId(idx) then exit;
878
879 it := @ggItems[idx];
880 if gSoundEffectsDF then
881 begin
882 if it.ItemType in [ITEM_SPHERE_BLUE, ITEM_SPHERE_WHITE, ITEM_INVUL,
883 ITEM_INVIS, ITEM_MEDKIT_BLACK, ITEM_JETPACK] then
884 begin
885 g_Sound_PlayExAt('SOUND_ITEM_GETRULEZ', x, y);
886 end
887 else if it.ItemType in [ITEM_WEAPON_SAW, ITEM_WEAPON_PISTOL, ITEM_WEAPON_SHOTGUN1, ITEM_WEAPON_SHOTGUN2,
888 ITEM_WEAPON_CHAINGUN, ITEM_WEAPON_ROCKETLAUNCHER, ITEM_WEAPON_PLASMA,
889 ITEM_WEAPON_BFG, ITEM_WEAPON_SUPERPULEMET, ITEM_WEAPON_FLAMETHROWER,
890 ITEM_AMMO_BACKPACK] then
891 begin
892 g_Sound_PlayExAt('SOUND_ITEM_GETWEAPON', x, y);
893 end
894 else
895 begin
896 g_Sound_PlayExAt('SOUND_ITEM_GETITEM', x, y);
897 end;
898 end
899 else
900 begin
901 if it.ItemType in [ITEM_SPHERE_BLUE, ITEM_SPHERE_WHITE, ITEM_SUIT,
902 ITEM_MEDKIT_BLACK, ITEM_INVUL, ITEM_INVIS, ITEM_JETPACK] then
903 begin
904 g_Sound_PlayExAt('SOUND_ITEM_GETRULEZ', x, y);
905 end
906 else if it.ItemType in [ITEM_WEAPON_SAW, ITEM_WEAPON_PISTOL, ITEM_WEAPON_SHOTGUN1, ITEM_WEAPON_SHOTGUN2,
907 ITEM_WEAPON_CHAINGUN, ITEM_WEAPON_ROCKETLAUNCHER, ITEM_WEAPON_PLASMA,
908 ITEM_WEAPON_BFG, ITEM_WEAPON_SUPERPULEMET, ITEM_WEAPON_FLAMETHROWER] then
909 begin
910 g_Sound_PlayExAt('SOUND_ITEM_GETWEAPON', x, y);
911 end
912 else
913 begin
914 g_Sound_PlayExAt('SOUND_ITEM_GETITEM', x, y);
915 end;
916 end;
917 end;
918
919
920 procedure g_Items_AddDynLights();
921 var
922 f: Integer;
923 it: PItem;
924 begin
925 for f := 0 to High(ggItems) do
926 begin
927 it := @ggItems[f];
928 if not it.alive then continue;
929 case it.ItemType of
930 ITEM_KEY_RED: g_AddDynLight(it.Obj.X+(it.Obj.Rect.Width div 2), it.Obj.Y+(it.Obj.Rect.Height div 2), 24, 1.0, 0.0, 0.0, 0.6);
931 ITEM_KEY_GREEN: g_AddDynLight(it.Obj.X+(it.Obj.Rect.Width div 2), it.Obj.Y+(it.Obj.Rect.Height div 2), 24, 0.0, 1.0, 0.0, 0.6);
932 ITEM_KEY_BLUE: g_AddDynLight(it.Obj.X+(it.Obj.Rect.Width div 2), it.Obj.Y+(it.Obj.Rect.Height div 2), 24, 0.0, 0.0, 1.0, 0.6);
933 ITEM_ARMOR_GREEN: g_AddDynLight(it.Obj.X+(it.Obj.Rect.Width div 2), it.Obj.Y+(it.Obj.Rect.Height div 2), 42, 0.0, 1.0, 0.0, 0.6);
934 ITEM_ARMOR_BLUE: g_AddDynLight(it.Obj.X+(it.Obj.Rect.Width div 2), it.Obj.Y+(it.Obj.Rect.Height div 2), 42, 0.0, 0.0, 1.0, 0.6);
935 ITEM_JETPACK: g_AddDynLight(it.Obj.X+(it.Obj.Rect.Width div 2), it.Obj.Y+(it.Obj.Rect.Height div 2), 32, 1.0, 1.0, 1.0, 0.6);
936 ITEM_SPHERE_BLUE: g_AddDynLight(it.Obj.X+(it.Obj.Rect.Width div 2), it.Obj.Y+(it.Obj.Rect.Height div 2), 32, 0.0, 1.0, 0.0, 0.6);
937 ITEM_SPHERE_WHITE: g_AddDynLight(it.Obj.X+(it.Obj.Rect.Width div 2), it.Obj.Y+(it.Obj.Rect.Height div 2), 32, 1.0, 1.0, 1.0, 0.6);
938 ITEM_INVUL: g_AddDynLight(it.Obj.X+(it.Obj.Rect.Width div 2), it.Obj.Y+(it.Obj.Rect.Height div 2), 32, 1.0, 0.0, 0.0, 0.6);
939 ITEM_INVIS: g_AddDynLight(it.Obj.X+(it.Obj.Rect.Width div 2), it.Obj.Y+(it.Obj.Rect.Height div 2), 32, 1.0, 1.0, 0.0, 0.6);
940 ITEM_BOTTLE: g_AddDynLight(it.Obj.X+(it.Obj.Rect.Width div 2), it.Obj.Y+(it.Obj.Rect.Height div 2), 16, 0.0, 0.0, 0.8, 0.6);
941 ITEM_HELMET: g_AddDynLight(it.Obj.X+(it.Obj.Rect.Width div 2), it.Obj.Y+(it.Obj.Rect.Height div 2), 16, 0.0, 0.8, 0.0, 0.6);
942 end;
943 end;
944 end;
945
946
947 end.
[MIRROR] a port of Doom 2D Forever to FPC/SDL
[25/02/2024 19:55:35]
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