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migrating from PanelIDs to panel GUIDs; part one
[d2df-sdl.git] / src / game / g_panel.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, either version 3 of the License, or
6 * (at your option) any later version.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this program. If not, see <http://www.gnu.org/licenses/>.
15 *)
16 {$INCLUDE ../shared/a_modes.inc}
17 {$M+}
18 unit g_panel;
19
20 interface
21
22 uses
23 MAPDEF, BinEditor, g_textures, xdynrec;
24
25 type
26 TAddTextureArray = Array of
27 record
28 Texture: Cardinal;
29 Anim: Boolean;
30 end;
31
32 TPanel = Class (TObject)
33 private
34 const
35 private
36 mGUID: Integer; // will be assigned in "g_map.pas"
37 FTextureWidth: Word;
38 FTextureHeight: Word;
39 FAlpha: Byte;
40 FBlending: Boolean;
41 FTextureIDs: Array of
42 record
43 case Anim: Boolean of
44 False: (Tex: Cardinal);
45 True: (AnTex: TAnimation);
46 end;
47
48 mMovingSpeed: TDFPoint;
49 mMovingStart: TDFPoint;
50 mMovingEnd: TDFPoint;
51 mMovingActive: Boolean;
52
53 private
54 function getx1 (): Integer; inline;
55 function gety1 (): Integer; inline;
56 function getvisvalid (): Boolean; inline;
57
58 public
59 FCurTexture: Integer; // Íîìåð òåêóùåé òåêñòóðû
60 FCurFrame: Integer;
61 FCurFrameCount: Byte;
62 FX, FY: Integer;
63 FWidth, FHeight: Word;
64 FPanelType: Word;
65 FSaveIt: Boolean; // Ñîõðàíÿòü ïðè SaveState?
66 FEnabled: Boolean;
67 FDoor: Boolean;
68 FMoved: Boolean;
69 FLiftType: Byte;
70 FLastAnimLoop: Byte;
71 // sorry, there fields are public to allow setting 'em in g_map; this should be fixed later
72 // for now, PLEASE, don't modify 'em, or all hell will break loose
73 arrIdx: Integer; // index in one of internal arrays; sorry
74 tag: Integer; // used in coldets and such; sorry; see g_map.GridTagXXX
75 proxyId: Integer; // proxy id in map grid (DO NOT USE!)
76 mapId: AnsiString; // taken directly from map file; dunno why it is here
77
78 constructor Create(PanelRec: TDynRecord;
79 AddTextures: TAddTextureArray;
80 CurTex: Integer;
81 var Textures: TLevelTextureArray; aguid: Integer);
82 destructor Destroy(); override;
83
84 procedure Draw();
85 procedure DrawShadowVolume(lightX: Integer; lightY: Integer; radius: Integer);
86 procedure Update();
87 procedure SetFrame(Frame: Integer; Count: Byte);
88 procedure NextTexture(AnimLoop: Byte = 0);
89 procedure SetTexture(ID: Integer; AnimLoop: Byte = 0);
90 function GetTextureID(): Cardinal;
91 function GetTextureCount(): Integer;
92
93 procedure SaveState(var Mem: TBinMemoryWriter);
94 procedure LoadState(var Mem: TBinMemoryReader);
95
96 procedure positionChanged ();
97
98 function isGBack (): Boolean; inline; // gRenderBackgrounds
99 function isGStep (): Boolean; inline; // gSteps
100 function isGWall (): Boolean; inline; // gWalls
101 function isGAcid1 (): Boolean; inline; // gAcid1
102 function isGAcid2 (): Boolean; inline; // gAcid2
103 function isGWater (): Boolean; inline; // gWater
104 function isGFore (): Boolean; inline; // gRenderForegrounds
105 function isGLift (): Boolean; inline; // gLifts
106 function isGBlockMon (): Boolean; inline; // gBlockMon
107
108
109 public
110 property visvalid: Boolean read getvisvalid; // panel is "visvalid" when it's width and height are positive
111
112 published
113 property guid: Integer read mGUID; // will be assigned in "g_map.pas"
114 property x0: Integer read FX;
115 property y0: Integer read FY;
116 property x1: Integer read getx1; // inclusive!
117 property y1: Integer read gety1; // inclusive!
118 property x: Integer read FX write FX;
119 property y: Integer read FY write FY;
120 property width: Word read FWidth write FWidth;
121 property height: Word read FHeight write FHeight;
122 property panelType: Word read FPanelType write FPanelType;
123 property saveIt: Boolean read FSaveIt write FSaveIt; // Ñîõðàíÿòü ïðè SaveState?
124 property enabled: Boolean read FEnabled write FEnabled; // Ñîõðàíÿòü ïðè SaveState?
125 property door: Boolean read FDoor write FDoor; // Ñîõðàíÿòü ïðè SaveState?
126 property moved: Boolean read FMoved write FMoved; // Ñîõðàíÿòü ïðè SaveState?
127 property liftType: Byte read FLiftType write FLiftType; // Ñîõðàíÿòü ïðè SaveState?
128 property lastAnimLoop: Byte read FLastAnimLoop write FLastAnimLoop; // Ñîõðàíÿòü ïðè SaveState?
129
130 property movingActive: Boolean read mMovingActive write mMovingActive;
131
132 public
133 property movingSpeed: TDFPoint read mMovingSpeed write mMovingSpeed;
134 property movingStart: TDFPoint read mMovingStart write mMovingStart;
135 property movingEnd: TDFPoint read mMovingEnd write mMovingEnd;
136 end;
137
138 TPanelArray = Array of TPanel;
139
140 implementation
141
142 uses
143 SysUtils, g_basic, g_map, g_game, g_gfx, e_graphics,
144 g_console, g_language, g_monsters, g_player, e_log, GL;
145
146 const
147 PANEL_SIGNATURE = $4C4E4150; // 'PANL'
148
149 { T P a n e l : }
150
151 constructor TPanel.Create(PanelRec: TDynRecord;
152 AddTextures: TAddTextureArray;
153 CurTex: Integer;
154 var Textures: TLevelTextureArray; aguid: Integer);
155 var
156 i: Integer;
157 begin
158 X := PanelRec.X;
159 Y := PanelRec.Y;
160 Width := PanelRec.Width;
161 Height := PanelRec.Height;
162 FAlpha := 0;
163 FBlending := False;
164 FCurFrame := 0;
165 FCurFrameCount := 0;
166 LastAnimLoop := 0;
167 Moved := False;
168
169 mapId := PanelRec.id;
170 mGUID := aguid;
171
172 mMovingSpeed := PanelRec.moveSpeed;
173 mMovingStart := PanelRec.moveStart;
174 mMovingEnd := PanelRec.moveEnd;
175 mMovingActive := PanelRec['move_active'].varvalue;
176
177 // Òèï ïàíåëè:
178 PanelType := PanelRec.PanelType;
179 Enabled := True;
180 Door := False;
181 LiftType := 0;
182 SaveIt := False;
183
184 case PanelType of
185 PANEL_OPENDOOR:
186 begin
187 Enabled := False;
188 Door := True;
189 SaveIt := True;
190 end;
191 PANEL_CLOSEDOOR:
192 begin
193 Door := True;
194 SaveIt := True;
195 end;
196 PANEL_LIFTUP:
197 SaveIt := True;
198 PANEL_LIFTDOWN:
199 begin
200 LiftType := 1;
201 SaveIt := True;
202 end;
203 PANEL_LIFTLEFT:
204 begin
205 LiftType := 2;
206 SaveIt := True;
207 end;
208 PANEL_LIFTRIGHT:
209 begin
210 LiftType := 3;
211 SaveIt := True;
212 end;
213 end;
214
215 // Íåâèäèìàÿ:
216 if ByteBool(PanelRec.Flags and PANEL_FLAG_HIDE) then
217 begin
218 SetLength(FTextureIDs, 0);
219 FCurTexture := -1;
220 Exit;
221 end;
222 // Ïàíåëè, íå èñïîëüçóþùèå òåêñòóðû:
223 if ByteBool(PanelType and
224 (PANEL_LIFTUP or
225 PANEL_LIFTDOWN or
226 PANEL_LIFTLEFT or
227 PANEL_LIFTRIGHT or
228 PANEL_BLOCKMON)) then
229 begin
230 SetLength(FTextureIDs, 0);
231 FCurTexture := -1;
232 Exit;
233 end;
234
235 // Åñëè ýòî æèäêîñòü áåç òåêñòóðû - ñïåöòåêñòóðó:
236 if WordBool(PanelType and (PANEL_WATER or PANEL_ACID1 or PANEL_ACID2)) and
237 (not ByteBool(PanelRec.Flags and PANEL_FLAG_WATERTEXTURES)) then
238 begin
239 SetLength(FTextureIDs, 1);
240 FTextureIDs[0].Anim := False;
241
242 case PanelRec.PanelType of
243 PANEL_WATER:
244 FTextureIDs[0].Tex := LongWord(TEXTURE_SPECIAL_WATER);
245 PANEL_ACID1:
246 FTextureIDs[0].Tex := LongWord(TEXTURE_SPECIAL_ACID1);
247 PANEL_ACID2:
248 FTextureIDs[0].Tex := LongWord(TEXTURE_SPECIAL_ACID2);
249 end;
250
251 FCurTexture := 0;
252 Exit;
253 end;
254
255 SetLength(FTextureIDs, Length(AddTextures));
256
257 if CurTex < 0 then
258 FCurTexture := -1
259 else
260 if CurTex >= Length(FTextureIDs) then
261 FCurTexture := Length(FTextureIDs) - 1
262 else
263 FCurTexture := CurTex;
264
265 for i := 0 to Length(FTextureIDs)-1 do
266 begin
267 FTextureIDs[i].Anim := AddTextures[i].Anim;
268 if FTextureIDs[i].Anim then
269 begin // Àíèìèðîâàííàÿ òåêñòóðà
270 FTextureIDs[i].AnTex :=
271 TAnimation.Create(Textures[AddTextures[i].Texture].FramesID,
272 True, Textures[AddTextures[i].Texture].Speed);
273 FTextureIDs[i].AnTex.Blending := ByteBool(PanelRec.Flags and PANEL_FLAG_BLENDING);
274 FTextureIDs[i].AnTex.Alpha := PanelRec.Alpha;
275 SaveIt := True;
276 end
277 else
278 begin // Îáû÷íàÿ òåêñòóðà
279 FTextureIDs[i].Tex := Textures[AddTextures[i].Texture].TextureID;
280 end;
281 end;
282
283 // Òåêñòóð íåñêîëüêî - íóæíî ñîõðàíÿòü òåêóùóþ:
284 if Length(FTextureIDs) > 1 then
285 SaveIt := True;
286
287 // Åñëè íå ñïåöòåêñòóðà, òî çàäàåì ðàçìåðû:
288 if PanelRec.TextureNum > High(Textures) then
289 begin
290 e_WriteLog(Format('WTF?! PanelRec.TextureNum is out of limits! (%d : %d)', [PanelRec.TextureNum, High(Textures)]), MSG_FATALERROR);
291 FTextureWidth := 2;
292 FTextureHeight := 2;
293 FAlpha := 0;
294 FBlending := ByteBool(0);
295 end
296 else if not g_Map_IsSpecialTexture(Textures[PanelRec.TextureNum].TextureName) then
297 begin
298 FTextureWidth := Textures[PanelRec.TextureNum].Width;
299 FTextureHeight := Textures[PanelRec.TextureNum].Height;
300 FAlpha := PanelRec.Alpha;
301 FBlending := ByteBool(PanelRec.Flags and PANEL_FLAG_BLENDING);
302 end;
303 end;
304
305 destructor TPanel.Destroy();
306 var
307 i: Integer;
308 begin
309 for i := 0 to High(FTextureIDs) do
310 if FTextureIDs[i].Anim then
311 FTextureIDs[i].AnTex.Free();
312 SetLength(FTextureIDs, 0);
313
314 Inherited;
315 end;
316
317 function TPanel.getx1 (): Integer; inline; begin result := X+Width-1; end;
318 function TPanel.gety1 (): Integer; inline; begin result := Y+Height-1; end;
319 function TPanel.getvisvalid (): Boolean; inline; begin result := (Width > 0) and (Height > 0); end;
320
321 function TPanel.isGBack (): Boolean; inline; begin result := ((tag and GridTagBack) <> 0); end;
322 function TPanel.isGStep (): Boolean; inline; begin result := ((tag and GridTagStep) <> 0); end;
323 function TPanel.isGWall (): Boolean; inline; begin result := ((tag and (GridTagWall or GridTagDoor)) <> 0); end;
324 function TPanel.isGAcid1 (): Boolean; inline; begin result := ((tag and GridTagAcid1) <> 0); end;
325 function TPanel.isGAcid2 (): Boolean; inline; begin result := ((tag and GridTagAcid2) <> 0); end;
326 function TPanel.isGWater (): Boolean; inline; begin result := ((tag and GridTagWater) <> 0); end;
327 function TPanel.isGFore (): Boolean; inline; begin result := ((tag and GridTagFore) <> 0); end;
328 function TPanel.isGLift (): Boolean; inline; begin result := ((tag and GridTagLift) <> 0); end;
329 function TPanel.isGBlockMon (): Boolean; inline; begin result := ((tag and GridTagBlockMon) <> 0); end;
330
331 procedure TPanel.Draw();
332 var
333 xx, yy: Integer;
334 NoTextureID: DWORD;
335 NW, NH: Word;
336 begin
337 if {Enabled and} (FCurTexture >= 0) and
338 (Width > 0) and (Height > 0) and (FAlpha < 255) and
339 ((g_dbg_scale <> 1.0) or g_Collide(X, Y, Width, Height, sX, sY, sWidth, sHeight)) then
340 begin
341 if FTextureIDs[FCurTexture].Anim then
342 begin // Àíèìèðîâàííàÿ òåêñòóðà
343 if FTextureIDs[FCurTexture].AnTex = nil then
344 Exit;
345
346 for xx := 0 to (Width div FTextureWidth)-1 do
347 for yy := 0 to (Height div FTextureHeight)-1 do
348 FTextureIDs[FCurTexture].AnTex.Draw(
349 X + xx*FTextureWidth,
350 Y + yy*FTextureHeight, M_NONE);
351 end
352 else
353 begin // Îáû÷íàÿ òåêñòóðà
354 case FTextureIDs[FCurTexture].Tex of
355 LongWord(TEXTURE_SPECIAL_WATER):
356 e_DrawFillQuad(X, Y, X+Width-1, Y+Height-1,
357 0, 0, 255, 0, B_FILTER);
358 LongWord(TEXTURE_SPECIAL_ACID1):
359 e_DrawFillQuad(X, Y, X+Width-1, Y+Height-1,
360 0, 128, 0, 0, B_FILTER);
361 LongWord(TEXTURE_SPECIAL_ACID2):
362 e_DrawFillQuad(X, Y, X+Width-1, Y+Height-1,
363 128, 0, 0, 0, B_FILTER);
364 LongWord(TEXTURE_NONE):
365 if g_Texture_Get('NOTEXTURE', NoTextureID) then
366 begin
367 e_GetTextureSize(NoTextureID, @NW, @NH);
368 e_DrawFill(NoTextureID, X, Y, Width div NW, Height div NH,
369 0, False, False);
370 end else
371 begin
372 xx := X + (Width div 2);
373 yy := Y + (Height div 2);
374 e_DrawFillQuad(X, Y, xx, yy,
375 255, 0, 255, 0);
376 e_DrawFillQuad(xx, Y, X+Width-1, yy,
377 255, 255, 0, 0);
378 e_DrawFillQuad(X, yy, xx, Y+Height-1,
379 255, 255, 0, 0);
380 e_DrawFillQuad(xx, yy, X+Width-1, Y+Height-1,
381 255, 0, 255, 0);
382 end;
383
384 else
385 e_DrawFill(FTextureIDs[FCurTexture].Tex, X, Y,
386 Width div FTextureWidth,
387 Height div FTextureHeight,
388 FAlpha, True, FBlending);
389 end;
390 end;
391 end;
392 end;
393
394 procedure TPanel.DrawShadowVolume(lightX: Integer; lightY: Integer; radius: Integer);
395 procedure extrude (x: Integer; y: Integer);
396 begin
397 glVertex2i(x+(x-lightX)*500, y+(y-lightY)*500);
398 //e_WriteLog(Format(' : (%d,%d)', [x+(x-lightX)*300, y+(y-lightY)*300]), MSG_WARNING);
399 end;
400
401 procedure drawLine (x0: Integer; y0: Integer; x1: Integer; y1: Integer);
402 begin
403 // does this side facing the light?
404 if ((x1-x0)*(lightY-y0)-(lightX-x0)*(y1-y0) >= 0) then exit;
405 //e_WriteLog(Format('lightpan: (%d,%d)-(%d,%d)', [x0, y0, x1, y1]), MSG_WARNING);
406 // this edge is facing the light, extrude and draw it
407 glVertex2i(x0, y0);
408 glVertex2i(x1, y1);
409 extrude(x1, y1);
410 extrude(x0, y0);
411 end;
412
413 begin
414 if radius < 4 then exit;
415 if Enabled and (FCurTexture >= 0) and (Width > 0) and (Height > 0) and (FAlpha < 255) and g_Collide(X, Y, Width, Height, sX, sY, sWidth, sHeight) then
416 begin
417 if not FTextureIDs[FCurTexture].Anim then
418 begin
419 case FTextureIDs[FCurTexture].Tex of
420 LongWord(TEXTURE_SPECIAL_WATER): exit;
421 LongWord(TEXTURE_SPECIAL_ACID1): exit;
422 LongWord(TEXTURE_SPECIAL_ACID2): exit;
423 LongWord(TEXTURE_NONE): exit;
424 end;
425 end;
426 if (X+Width < lightX-radius) then exit;
427 if (Y+Height < lightY-radius) then exit;
428 if (X > lightX+radius) then exit;
429 if (Y > lightY+radius) then exit;
430 //e_DrawFill(FTextureIDs[FCurTexture].Tex, X, Y, Width div FTextureWidth, Height div FTextureHeight, FAlpha, True, FBlending);
431
432 glBegin(GL_QUADS);
433 drawLine(x, y, x+width, y); // top
434 drawLine(x+width, y, x+width, y+height); // right
435 drawLine(x+width, y+height, x, y+height); // bottom
436 drawLine(x, y+height, x, y); // left
437 glEnd();
438 end;
439 end;
440
441
442 procedure TPanel.positionChanged ();
443 begin
444 if (proxyId >= 0) then mapGrid.moveBody(proxyId, X, Y);
445 end;
446
447
448 var
449 monMoveList: array of TMonster = nil;
450 monMoveListUsed: Integer = 0;
451
452 procedure TPanel.Update();
453 var
454 nx, ny: Integer;
455 f: Integer;
456
457 function doPush (px, py, pw, ph: Integer; out dx, dy: Integer): Boolean;
458 begin
459 result := g_Collide(px, py, pw, ph, nx, ny, Width, Height);
460 if result then
461 begin
462 // need to push
463 if (mMovingSpeed.X < 0) then dx := nx-(px+pw)
464 else if (mMovingSpeed.X > 0) then dx := (nx+Width)-px
465 else dx := 0;
466 if (mMovingSpeed.Y < 0) then dy := ny-(py+ph)
467 else if (mMovingSpeed.Y > 0) then dy := (ny+Height)-py
468 else dy := 0;
469 end
470 else
471 begin
472 dx := 0;
473 dy := 0;
474 end;
475 end;
476
477 function monMove (mon: TMonster): Boolean;
478 begin
479 result := false; // don't stop
480 mon.GameX := mon.GameX+mMovingSpeed.X;
481 mon.GameY := mon.GameY+mMovingSpeed.Y;
482 if (monMoveListUsed >= Length(monMoveList)) then SetLength(monMoveList, monMoveListUsed+64);
483 monMoveList[monMoveListUsed] := mon;
484 Inc(monMoveListUsed);
485 end;
486
487 function monPush (mon: TMonster): Boolean;
488 var
489 px, py, pw, ph, dx, dy: Integer;
490 begin
491 result := false; // don't stop
492 mon.getMapBox(px, py, pw, ph);
493 if doPush(px, py, pw, ph, dx, dy) then
494 begin
495 mon.GameX := mon.GameX+dx;
496 mon.GameY := mon.GameY+dy;
497 if (monMoveListUsed >= Length(monMoveList)) then SetLength(monMoveList, monMoveListUsed+64);
498 monMoveList[monMoveListUsed] := mon;
499 Inc(monMoveListUsed);
500 end;
501 end;
502
503 procedure plrMove (plr: TPlayer);
504 var
505 px, py, pw, ph, dx, dy: Integer;
506 begin
507 if (plr = nil) then exit;
508 plr.getMapBox(px, py, pw, ph);
509 if (py+ph <> Y) then
510 begin
511 // push player
512 if doPush(px, py, pw, ph, dx, dy) then
513 begin
514 plr.GameX := plr.GameX+dx;
515 plr.GameY := plr.GameY+dy;
516 plr.positionChanged();
517 end;
518 exit;
519 end;
520 if (px+pw <= X) then exit;
521 if (px >= X+Width) then exit;
522 plr.GameX := plr.GameX+mMovingSpeed.X;
523 plr.GameY := plr.GameY+mMovingSpeed.Y;
524 plr.positionChanged();
525 end;
526
527 begin
528 if Enabled and (FCurTexture >= 0) and
529 (FTextureIDs[FCurTexture].Anim) and
530 (FTextureIDs[FCurTexture].AnTex <> nil) and
531 (Width > 0) and (Height > 0) and (FAlpha < 255) then
532 begin
533 FTextureIDs[FCurTexture].AnTex.Update();
534 FCurFrame := FTextureIDs[FCurTexture].AnTex.CurrentFrame;
535 FCurFrameCount := FTextureIDs[FCurTexture].AnTex.CurrentCounter;
536 end;
537
538 if mMovingActive and (not mMovingSpeed.isZero) then
539 begin
540 monMoveListUsed := 0;
541 nx := X+mMovingSpeed.X;
542 ny := Y+mMovingSpeed.Y;
543 // move monsters on lifts
544 g_Mons_ForEachAt(X, Y-1, Width, 1, monMove);
545 // push monsters
546 g_Mons_ForEachAt(nx, ny, Width, Height, monPush);
547 // move and push players
548 for f := 0 to High(gPlayers) do plrMove(gPlayers[f]);
549 // reverse moving direction, if necessary
550 if (mMovingSpeed.X < 0) and (nx <= mMovingStart.X) then mMovingSpeed.X := -mMovingSpeed.X
551 else if (mMovingSpeed.X > 0) and (nx >= mMovingEnd.X) then mMovingSpeed.X := -mMovingSpeed.X;
552 if (mMovingSpeed.Y < 0) and (ny <= mMovingStart.Y) then mMovingSpeed.Y := -mMovingSpeed.Y
553 else if (mMovingSpeed.Y > 0) and (ny >= mMovingEnd.Y) then mMovingSpeed.Y := -mMovingSpeed.Y;
554 // awake particles
555 g_Mark(X, Y, Width, Height, MARK_WALL, false);
556 X := nx;
557 Y := ny;
558 g_Mark(nx, ny, Width, Height, MARK_WALL);
559 // fix grid
560 positionChanged();
561 // notify moved monsters about their movement
562 for f := 0 to monMoveListUsed-1 do monMoveList[f].positionChanged();
563 end;
564 end;
565
566 procedure TPanel.SetFrame(Frame: Integer; Count: Byte);
567
568 function ClampInt(X, A, B: Integer): Integer;
569 begin
570 Result := X;
571 if X < A then Result := A else if X > B then Result := B;
572 end;
573
574 begin
575 if Enabled and (FCurTexture >= 0) and
576 (FTextureIDs[FCurTexture].Anim) and
577 (FTextureIDs[FCurTexture].AnTex <> nil) and
578 (Width > 0) and (Height > 0) and (FAlpha < 255) then
579 begin
580 FCurFrame := ClampInt(Frame, 0, FTextureIDs[FCurTexture].AnTex.TotalFrames);
581 FCurFrameCount := Count;
582 FTextureIDs[FCurTexture].AnTex.CurrentFrame := FCurFrame;
583 FTextureIDs[FCurTexture].AnTex.CurrentCounter := FCurFrameCount;
584 end;
585 end;
586
587 procedure TPanel.NextTexture(AnimLoop: Byte = 0);
588 begin
589 Assert(FCurTexture >= -1, 'FCurTexture < -1');
590
591 // Íåò òåêñòóð:
592 if Length(FTextureIDs) = 0 then
593 FCurTexture := -1
594 else
595 // Òîëüêî îäíà òåêñòóðà:
596 if Length(FTextureIDs) = 1 then
597 begin
598 if FCurTexture = 0 then
599 FCurTexture := -1
600 else
601 FCurTexture := 0;
602 end
603 else
604 // Áîëüøå îäíîé òåêñòóðû:
605 begin
606 // Ñëåäóþùàÿ:
607 Inc(FCurTexture);
608 // Ñëåäóþùåé íåò - âîçâðàò ê íà÷àëó:
609 if FCurTexture >= Length(FTextureIDs) then
610 FCurTexture := 0;
611 end;
612
613 // Ïåðåêëþ÷èëèñü íà âèäèìóþ àíèì. òåêñòóðó:
614 if (FCurTexture >= 0) and FTextureIDs[FCurTexture].Anim then
615 begin
616 if (FTextureIDs[FCurTexture].AnTex = nil) then
617 begin
618 g_FatalError(_lc[I_GAME_ERROR_SWITCH_TEXTURE]);
619 Exit;
620 end;
621
622 if AnimLoop = 1 then
623 FTextureIDs[FCurTexture].AnTex.Loop := True
624 else
625 if AnimLoop = 2 then
626 FTextureIDs[FCurTexture].AnTex.Loop := False;
627
628 FTextureIDs[FCurTexture].AnTex.Reset();
629 end;
630
631 LastAnimLoop := AnimLoop;
632 end;
633
634 procedure TPanel.SetTexture(ID: Integer; AnimLoop: Byte = 0);
635 begin
636 // Íåò òåêñòóð:
637 if Length(FTextureIDs) = 0 then
638 FCurTexture := -1
639 else
640 // Òîëüêî îäíà òåêñòóðà:
641 if Length(FTextureIDs) = 1 then
642 begin
643 if (ID = 0) or (ID = -1) then
644 FCurTexture := ID;
645 end
646 else
647 // Áîëüøå îäíîé òåêñòóðû:
648 begin
649 if (ID >= -1) and (ID <= High(FTextureIDs)) then
650 FCurTexture := ID;
651 end;
652
653 // Ïåðåêëþ÷èëèñü íà âèäèìóþ àíèì. òåêñòóðó:
654 if (FCurTexture >= 0) and FTextureIDs[FCurTexture].Anim then
655 begin
656 if (FTextureIDs[FCurTexture].AnTex = nil) then
657 begin
658 g_FatalError(_lc[I_GAME_ERROR_SWITCH_TEXTURE]);
659 Exit;
660 end;
661
662 if AnimLoop = 1 then
663 FTextureIDs[FCurTexture].AnTex.Loop := True
664 else
665 if AnimLoop = 2 then
666 FTextureIDs[FCurTexture].AnTex.Loop := False;
667
668 FTextureIDs[FCurTexture].AnTex.Reset();
669 end;
670
671 LastAnimLoop := AnimLoop;
672 end;
673
674 function TPanel.GetTextureID(): DWORD;
675 begin
676 Result := LongWord(TEXTURE_NONE);
677
678 if (FCurTexture >= 0) then
679 begin
680 if FTextureIDs[FCurTexture].Anim then
681 Result := FTextureIDs[FCurTexture].AnTex.FramesID
682 else
683 Result := FTextureIDs[FCurTexture].Tex;
684 end;
685 end;
686
687 function TPanel.GetTextureCount(): Integer;
688 begin
689 Result := Length(FTextureIDs);
690 if Enabled and (FCurTexture >= 0) then
691 if (FTextureIDs[FCurTexture].Anim) and
692 (FTextureIDs[FCurTexture].AnTex <> nil) and
693 (Width > 0) and (Height > 0) and (FAlpha < 255) then
694 Result := Result + 100;
695 end;
696
697 procedure TPanel.SaveState(Var Mem: TBinMemoryWriter);
698 var
699 sig: DWORD;
700 anim: Boolean;
701 begin
702 if (Mem = nil) then exit;
703 //if not SaveIt then exit;
704
705 // Ñèãíàòóðà ïàíåëè:
706 sig := PANEL_SIGNATURE; // 'PANL'
707 Mem.WriteDWORD(sig);
708 // Îòêðûòà/çàêðûòà, åñëè äâåðü:
709 Mem.WriteBoolean(FEnabled);
710 // Íàïðàâëåíèå ëèôòà, åñëè ëèôò:
711 Mem.WriteByte(FLiftType);
712 // Íîìåð òåêóùåé òåêñòóðû:
713 Mem.WriteInt(FCurTexture);
714 // Êîîðäû
715 Mem.WriteInt(FX);
716 Mem.WriteInt(FY);
717 // Àíèìèðîâàííàÿ ëè òåêóùàÿ òåêñòóðà:
718 if (FCurTexture >= 0) and (FTextureIDs[FCurTexture].Anim) then
719 begin
720 Assert(FTextureIDs[FCurTexture].AnTex <> nil,
721 'TPanel.SaveState: No animation object');
722 anim := True;
723 end
724 else
725 anim := False;
726 Mem.WriteBoolean(anim);
727 // Åñëè äà - ñîõðàíÿåì àíèìàöèþ:
728 if anim then
729 FTextureIDs[FCurTexture].AnTex.SaveState(Mem);
730 // moving platform state
731 Mem.WriteInt(mMovingSpeed.X);
732 Mem.WriteInt(mMovingSpeed.Y);
733 Mem.WriteInt(mMovingStart.X);
734 Mem.WriteInt(mMovingStart.Y);
735 Mem.WriteInt(mMovingEnd.X);
736 Mem.WriteInt(mMovingEnd.Y);
737 Mem.WriteBoolean(mMovingActive);
738 end;
739
740 procedure TPanel.LoadState(var Mem: TBinMemoryReader);
741 var
742 sig: DWORD;
743 anim: Boolean;
744 //ox, oy: Integer;
745 begin
746 if (Mem = nil) then exit;
747 //if not SaveIt then exit;
748
749 // Ñèãíàòóðà ïàíåëè:
750 Mem.ReadDWORD(sig);
751 if sig <> PANEL_SIGNATURE then // 'PANL'
752 begin
753 raise EBinSizeError.Create('TPanel.LoadState: Wrong Panel Signature');
754 end;
755 // Îòêðûòà/çàêðûòà, åñëè äâåðü:
756 Mem.ReadBoolean(FEnabled);
757 // Íàïðàâëåíèå ëèôòà, åñëè ëèôò:
758 Mem.ReadByte(FLiftType);
759 // Íîìåð òåêóùåé òåêñòóðû:
760 Mem.ReadInt(FCurTexture);
761 // Êîîðäû
762 //ox := FX;
763 //oy := FY;
764 Mem.ReadInt(FX);
765 Mem.ReadInt(FY);
766 //e_LogWritefln('panel %s(%s): old=(%s,%s); new=(%s,%s); delta=(%s,%s)', [arrIdx, proxyId, ox, oy, FX, FY, FX-ox, FY-oy]);
767 // Àíèìèðîâàííàÿ ëè òåêóùàÿ òåêñòóðà:
768 Mem.ReadBoolean(anim);
769 // Åñëè äà - çàãðóæàåì àíèìàöèþ:
770 if anim then
771 begin
772 Assert((FCurTexture >= 0) and
773 (FTextureIDs[FCurTexture].Anim) and
774 (FTextureIDs[FCurTexture].AnTex <> nil),
775 'TPanel.LoadState: No animation object');
776 FTextureIDs[FCurTexture].AnTex.LoadState(Mem);
777 end;
778 // moving platform state
779 Mem.ReadInt(mMovingSpeed.X);
780 Mem.ReadInt(mMovingSpeed.Y);
781 Mem.ReadInt(mMovingStart.X);
782 Mem.ReadInt(mMovingStart.Y);
783 Mem.ReadInt(mMovingEnd.X);
784 Mem.ReadInt(mMovingEnd.Y);
785 Mem.ReadBoolean(mMovingActive);
786
787 if (proxyId >= 0) then mapGrid.moveBody(proxyId, X, Y);
788 end;
789
790 end.
[MIRROR] a port of Doom 2D Forever to FPC/SDL
[25/02/2024 19:55:35]
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