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`traceBox()` API bugfix; squashing now works (i hope)
[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 function getMovingSpeedX (): Integer; inline;
59 procedure setMovingSpeedX (v: Integer); inline;
60 function getMovingSpeedY (): Integer; inline;
61 procedure setMovingSpeedY (v: Integer); inline;
62
63 function getMovingStartX (): Integer; inline;
64 procedure setMovingStartX (v: Integer); inline;
65 function getMovingStartY (): Integer; inline;
66 procedure setMovingStartY (v: Integer); inline;
67
68 function getMovingEndX (): Integer; inline;
69 procedure setMovingEndX (v: Integer); inline;
70 function getMovingEndY (): Integer; inline;
71 procedure setMovingEndY (v: Integer); inline;
72
73 public
74 FCurTexture: Integer; // Íîìåð òåêóùåé òåêñòóðû
75 FCurFrame: Integer;
76 FCurFrameCount: Byte;
77 FX, FY: Integer;
78 FWidth, FHeight: Word;
79 FPanelType: Word;
80 FSaveIt: Boolean; // Ñîõðàíÿòü ïðè SaveState?
81 FEnabled: Boolean;
82 FDoor: Boolean;
83 FMoved: Boolean;
84 FLiftType: Byte;
85 FLastAnimLoop: Byte;
86 // sorry, there fields are public to allow setting 'em in g_map; this should be fixed later
87 // for now, PLEASE, don't modify 'em, or all hell will break loose
88 arrIdx: Integer; // index in one of internal arrays; sorry
89 tag: Integer; // used in coldets and such; sorry; see g_map.GridTagXXX
90 proxyId: Integer; // proxy id in map grid (DO NOT USE!)
91 mapId: AnsiString; // taken directly from map file; dunno why it is here
92
93 constructor Create(PanelRec: TDynRecord;
94 AddTextures: TAddTextureArray;
95 CurTex: Integer;
96 var Textures: TLevelTextureArray; aguid: Integer);
97 destructor Destroy(); override;
98
99 procedure Draw();
100 procedure DrawShadowVolume(lightX: Integer; lightY: Integer; radius: Integer);
101 procedure Update();
102 procedure SetFrame(Frame: Integer; Count: Byte);
103 procedure NextTexture(AnimLoop: Byte = 0);
104 procedure SetTexture(ID: Integer; AnimLoop: Byte = 0);
105 function GetTextureID(): Cardinal;
106 function GetTextureCount(): Integer;
107
108 procedure SaveState(var Mem: TBinMemoryWriter);
109 procedure LoadState(var Mem: TBinMemoryReader);
110
111 procedure positionChanged (); inline;
112
113 function getIsGBack (): Boolean; inline; // gRenderBackgrounds
114 function getIsGStep (): Boolean; inline; // gSteps
115 function getIsGWall (): Boolean; inline; // gWalls
116 function getIsGAcid1 (): Boolean; inline; // gAcid1
117 function getIsGAcid2 (): Boolean; inline; // gAcid2
118 function getIsGWater (): Boolean; inline; // gWater
119 function getIsGFore (): Boolean; inline; // gRenderForegrounds
120 function getIsGLift (): Boolean; inline; // gLifts
121 function getIsGBlockMon (): Boolean; inline; // gBlockMon
122
123 public
124 property visvalid: Boolean read getvisvalid; // panel is "visvalid" when it's width and height are positive
125
126 published
127 property guid: Integer read mGUID; // will be assigned in "g_map.pas"
128 property x0: Integer read FX;
129 property y0: Integer read FY;
130 property x1: Integer read getx1; // inclusive!
131 property y1: Integer read gety1; // inclusive!
132 property x: Integer read FX write FX;
133 property y: Integer read FY write FY;
134 property width: Word read FWidth write FWidth;
135 property height: Word read FHeight write FHeight;
136 property panelType: Word read FPanelType write FPanelType;
137 property saveIt: Boolean read FSaveIt write FSaveIt; // Ñîõðàíÿòü ïðè SaveState?
138 property enabled: Boolean read FEnabled write FEnabled; // Ñîõðàíÿòü ïðè SaveState?
139 property door: Boolean read FDoor write FDoor; // Ñîõðàíÿòü ïðè SaveState?
140 property moved: Boolean read FMoved write FMoved; // Ñîõðàíÿòü ïðè SaveState?
141 property liftType: Byte read FLiftType write FLiftType; // Ñîõðàíÿòü ïðè SaveState?
142 property lastAnimLoop: Byte read FLastAnimLoop write FLastAnimLoop; // Ñîõðàíÿòü ïðè SaveState?
143
144 property movingSpeedX: Integer read getMovingSpeedX write setMovingSpeedX;
145 property movingSpeedY: Integer read getMovingSpeedY write setMovingSpeedY;
146 property movingStartX: Integer read getMovingStartX write setMovingStartX;
147 property movingStartY: Integer read getMovingStartY write setMovingStartY;
148 property movingEndX: Integer read getMovingEndX write setMovingEndX;
149 property movingEndY: Integer read getMovingEndY write setMovingEndY;
150 property movingActive: Boolean read mMovingActive write mMovingActive;
151
152 property isGBack: Boolean read getIsGBack;
153 property isGStep: Boolean read getIsGStep;
154 property isGWall: Boolean read getIsGWall;
155 property isGAcid1: Boolean read getIsGAcid1;
156 property isGAcid2: Boolean read getIsGAcid2;
157 property isGWater: Boolean read getIsGWater;
158 property isGFore: Boolean read getIsGFore;
159 property isGLift: Boolean read getIsGLift;
160 property isGBlockMon: Boolean read getIsGBlockMon;
161
162 public
163 property movingSpeed: TDFPoint read mMovingSpeed write mMovingSpeed;
164 property movingStart: TDFPoint read mMovingStart write mMovingStart;
165 property movingEnd: TDFPoint read mMovingEnd write mMovingEnd;
166 end;
167
168 TPanelArray = Array of TPanel;
169
170 var
171 g_dbgpan_mplat_active: Boolean = {$IF DEFINED(D2F_DEBUG)}true{$ELSE}true{$ENDIF};
172 g_dbgpan_mplat_step: Boolean = false; // one step, and stop
173
174
175 implementation
176
177 uses
178 SysUtils, g_basic, g_map, g_game, g_gfx, e_graphics, g_weapons,
179 g_console, g_language, g_monsters, g_player, g_grid, e_log, GL, utils;
180
181 const
182 PANEL_SIGNATURE = $4C4E4150; // 'PANL'
183
184 { T P a n e l : }
185
186 constructor TPanel.Create(PanelRec: TDynRecord;
187 AddTextures: TAddTextureArray;
188 CurTex: Integer;
189 var Textures: TLevelTextureArray; aguid: Integer);
190 var
191 i: Integer;
192 begin
193 X := PanelRec.X;
194 Y := PanelRec.Y;
195 Width := PanelRec.Width;
196 Height := PanelRec.Height;
197 FAlpha := 0;
198 FBlending := False;
199 FCurFrame := 0;
200 FCurFrameCount := 0;
201 LastAnimLoop := 0;
202 Moved := False;
203
204 mapId := PanelRec.id;
205 mGUID := aguid;
206
207 mMovingSpeed := PanelRec.moveSpeed;
208 mMovingStart := PanelRec.moveStart;
209 mMovingEnd := PanelRec.moveEnd;
210 mMovingActive := PanelRec['move_active'].varvalue;
211
212 // Òèï ïàíåëè:
213 PanelType := PanelRec.PanelType;
214 Enabled := True;
215 Door := False;
216 LiftType := 0;
217 SaveIt := False;
218
219 case PanelType of
220 PANEL_OPENDOOR:
221 begin
222 Enabled := False;
223 Door := True;
224 SaveIt := True;
225 end;
226 PANEL_CLOSEDOOR:
227 begin
228 Door := True;
229 SaveIt := True;
230 end;
231 PANEL_LIFTUP:
232 SaveIt := True;
233 PANEL_LIFTDOWN:
234 begin
235 LiftType := 1;
236 SaveIt := True;
237 end;
238 PANEL_LIFTLEFT:
239 begin
240 LiftType := 2;
241 SaveIt := True;
242 end;
243 PANEL_LIFTRIGHT:
244 begin
245 LiftType := 3;
246 SaveIt := True;
247 end;
248 end;
249
250 // Íåâèäèìàÿ:
251 if ByteBool(PanelRec.Flags and PANEL_FLAG_HIDE) then
252 begin
253 SetLength(FTextureIDs, 0);
254 FCurTexture := -1;
255 Exit;
256 end;
257 // Ïàíåëè, íå èñïîëüçóþùèå òåêñòóðû:
258 if ByteBool(PanelType and
259 (PANEL_LIFTUP or
260 PANEL_LIFTDOWN or
261 PANEL_LIFTLEFT or
262 PANEL_LIFTRIGHT or
263 PANEL_BLOCKMON)) then
264 begin
265 SetLength(FTextureIDs, 0);
266 FCurTexture := -1;
267 Exit;
268 end;
269
270 // Åñëè ýòî æèäêîñòü áåç òåêñòóðû - ñïåöòåêñòóðó:
271 if WordBool(PanelType and (PANEL_WATER or PANEL_ACID1 or PANEL_ACID2)) and
272 (not ByteBool(PanelRec.Flags and PANEL_FLAG_WATERTEXTURES)) then
273 begin
274 SetLength(FTextureIDs, 1);
275 FTextureIDs[0].Anim := False;
276
277 case PanelRec.PanelType of
278 PANEL_WATER:
279 FTextureIDs[0].Tex := LongWord(TEXTURE_SPECIAL_WATER);
280 PANEL_ACID1:
281 FTextureIDs[0].Tex := LongWord(TEXTURE_SPECIAL_ACID1);
282 PANEL_ACID2:
283 FTextureIDs[0].Tex := LongWord(TEXTURE_SPECIAL_ACID2);
284 end;
285
286 FCurTexture := 0;
287 Exit;
288 end;
289
290 SetLength(FTextureIDs, Length(AddTextures));
291
292 if CurTex < 0 then
293 FCurTexture := -1
294 else
295 if CurTex >= Length(FTextureIDs) then
296 FCurTexture := Length(FTextureIDs) - 1
297 else
298 FCurTexture := CurTex;
299
300 for i := 0 to Length(FTextureIDs)-1 do
301 begin
302 FTextureIDs[i].Anim := AddTextures[i].Anim;
303 if FTextureIDs[i].Anim then
304 begin // Àíèìèðîâàííàÿ òåêñòóðà
305 FTextureIDs[i].AnTex :=
306 TAnimation.Create(Textures[AddTextures[i].Texture].FramesID,
307 True, Textures[AddTextures[i].Texture].Speed);
308 FTextureIDs[i].AnTex.Blending := ByteBool(PanelRec.Flags and PANEL_FLAG_BLENDING);
309 FTextureIDs[i].AnTex.Alpha := PanelRec.Alpha;
310 SaveIt := True;
311 end
312 else
313 begin // Îáû÷íàÿ òåêñòóðà
314 FTextureIDs[i].Tex := Textures[AddTextures[i].Texture].TextureID;
315 end;
316 end;
317
318 // Òåêñòóð íåñêîëüêî - íóæíî ñîõðàíÿòü òåêóùóþ:
319 if Length(FTextureIDs) > 1 then
320 SaveIt := True;
321
322 // Åñëè íå ñïåöòåêñòóðà, òî çàäàåì ðàçìåðû:
323 if PanelRec.TextureNum > High(Textures) then
324 begin
325 e_WriteLog(Format('WTF?! PanelRec.TextureNum is out of limits! (%d : %d)', [PanelRec.TextureNum, High(Textures)]), MSG_FATALERROR);
326 FTextureWidth := 2;
327 FTextureHeight := 2;
328 FAlpha := 0;
329 FBlending := ByteBool(0);
330 end
331 else if not g_Map_IsSpecialTexture(Textures[PanelRec.TextureNum].TextureName) then
332 begin
333 FTextureWidth := Textures[PanelRec.TextureNum].Width;
334 FTextureHeight := Textures[PanelRec.TextureNum].Height;
335 FAlpha := PanelRec.Alpha;
336 FBlending := ByteBool(PanelRec.Flags and PANEL_FLAG_BLENDING);
337 end;
338 end;
339
340 destructor TPanel.Destroy();
341 var
342 i: Integer;
343 begin
344 for i := 0 to High(FTextureIDs) do
345 if FTextureIDs[i].Anim then
346 FTextureIDs[i].AnTex.Free();
347 SetLength(FTextureIDs, 0);
348
349 Inherited;
350 end;
351
352 function TPanel.getx1 (): Integer; inline; begin result := X+Width-1; end;
353 function TPanel.gety1 (): Integer; inline; begin result := Y+Height-1; end;
354 function TPanel.getvisvalid (): Boolean; inline; begin result := (Width > 0) and (Height > 0); end;
355
356 function TPanel.getMovingSpeedX (): Integer; inline; begin result := mMovingSpeed.X; end;
357 procedure TPanel.setMovingSpeedX (v: Integer); inline; begin mMovingSpeed.X := v; end;
358 function TPanel.getMovingSpeedY (): Integer; inline; begin result := mMovingSpeed.Y; end;
359 procedure TPanel.setMovingSpeedY (v: Integer); inline; begin mMovingSpeed.Y := v; end;
360
361 function TPanel.getMovingStartX (): Integer; inline; begin result := mMovingStart.X; end;
362 procedure TPanel.setMovingStartX (v: Integer); inline; begin mMovingStart.X := v; end;
363 function TPanel.getMovingStartY (): Integer; inline; begin result := mMovingStart.Y; end;
364 procedure TPanel.setMovingStartY (v: Integer); inline; begin mMovingStart.Y := v; end;
365
366 function TPanel.getMovingEndX (): Integer; inline; begin result := mMovingEnd.X; end;
367 procedure TPanel.setMovingEndX (v: Integer); inline; begin mMovingEnd.X := v; end;
368 function TPanel.getMovingEndY (): Integer; inline; begin result := mMovingEnd.Y; end;
369 procedure TPanel.setMovingEndY (v: Integer); inline; begin mMovingEnd.Y := v; end;
370
371 function TPanel.getIsGBack (): Boolean; inline; begin result := ((tag and GridTagBack) <> 0); end;
372 function TPanel.getIsGStep (): Boolean; inline; begin result := ((tag and GridTagStep) <> 0); end;
373 function TPanel.getIsGWall (): Boolean; inline; begin result := ((tag and (GridTagWall or GridTagDoor)) <> 0); end;
374 function TPanel.getIsGAcid1 (): Boolean; inline; begin result := ((tag and GridTagAcid1) <> 0); end;
375 function TPanel.getIsGAcid2 (): Boolean; inline; begin result := ((tag and GridTagAcid2) <> 0); end;
376 function TPanel.getIsGWater (): Boolean; inline; begin result := ((tag and GridTagWater) <> 0); end;
377 function TPanel.getIsGFore (): Boolean; inline; begin result := ((tag and GridTagFore) <> 0); end;
378 function TPanel.getIsGLift (): Boolean; inline; begin result := ((tag and GridTagLift) <> 0); end;
379 function TPanel.getIsGBlockMon (): Boolean; inline; begin result := ((tag and GridTagBlockMon) <> 0); end;
380
381 procedure TPanel.Draw();
382 var
383 xx, yy: Integer;
384 NoTextureID: DWORD;
385 NW, NH: Word;
386 begin
387 if {Enabled and} (FCurTexture >= 0) and
388 (Width > 0) and (Height > 0) and (FAlpha < 255) and
389 ((g_dbg_scale <> 1.0) or g_Collide(X, Y, Width, Height, sX, sY, sWidth, sHeight)) then
390 begin
391 if FTextureIDs[FCurTexture].Anim then
392 begin // Àíèìèðîâàííàÿ òåêñòóðà
393 if FTextureIDs[FCurTexture].AnTex = nil then
394 Exit;
395
396 for xx := 0 to (Width div FTextureWidth)-1 do
397 for yy := 0 to (Height div FTextureHeight)-1 do
398 FTextureIDs[FCurTexture].AnTex.Draw(
399 X + xx*FTextureWidth,
400 Y + yy*FTextureHeight, M_NONE);
401 end
402 else
403 begin // Îáû÷íàÿ òåêñòóðà
404 case FTextureIDs[FCurTexture].Tex of
405 LongWord(TEXTURE_SPECIAL_WATER):
406 e_DrawFillQuad(X, Y, X+Width-1, Y+Height-1,
407 0, 0, 255, 0, B_FILTER);
408 LongWord(TEXTURE_SPECIAL_ACID1):
409 e_DrawFillQuad(X, Y, X+Width-1, Y+Height-1,
410 0, 128, 0, 0, B_FILTER);
411 LongWord(TEXTURE_SPECIAL_ACID2):
412 e_DrawFillQuad(X, Y, X+Width-1, Y+Height-1,
413 128, 0, 0, 0, B_FILTER);
414 LongWord(TEXTURE_NONE):
415 if g_Texture_Get('NOTEXTURE', NoTextureID) then
416 begin
417 e_GetTextureSize(NoTextureID, @NW, @NH);
418 e_DrawFill(NoTextureID, X, Y, Width div NW, Height div NH,
419 0, False, False);
420 end else
421 begin
422 xx := X + (Width div 2);
423 yy := Y + (Height div 2);
424 e_DrawFillQuad(X, Y, xx, yy,
425 255, 0, 255, 0);
426 e_DrawFillQuad(xx, Y, X+Width-1, yy,
427 255, 255, 0, 0);
428 e_DrawFillQuad(X, yy, xx, Y+Height-1,
429 255, 255, 0, 0);
430 e_DrawFillQuad(xx, yy, X+Width-1, Y+Height-1,
431 255, 0, 255, 0);
432 end;
433
434 else
435 e_DrawFill(FTextureIDs[FCurTexture].Tex, X, Y,
436 Width div FTextureWidth,
437 Height div FTextureHeight,
438 FAlpha, True, FBlending);
439 end;
440 end;
441 end;
442 end;
443
444 procedure TPanel.DrawShadowVolume(lightX: Integer; lightY: Integer; radius: Integer);
445 procedure extrude (x: Integer; y: Integer);
446 begin
447 glVertex2i(x+(x-lightX)*500, y+(y-lightY)*500);
448 //e_WriteLog(Format(' : (%d,%d)', [x+(x-lightX)*300, y+(y-lightY)*300]), MSG_WARNING);
449 end;
450
451 procedure drawLine (x0: Integer; y0: Integer; x1: Integer; y1: Integer);
452 begin
453 // does this side facing the light?
454 if ((x1-x0)*(lightY-y0)-(lightX-x0)*(y1-y0) >= 0) then exit;
455 //e_WriteLog(Format('lightpan: (%d,%d)-(%d,%d)', [x0, y0, x1, y1]), MSG_WARNING);
456 // this edge is facing the light, extrude and draw it
457 glVertex2i(x0, y0);
458 glVertex2i(x1, y1);
459 extrude(x1, y1);
460 extrude(x0, y0);
461 end;
462
463 begin
464 if radius < 4 then exit;
465 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
466 begin
467 if not FTextureIDs[FCurTexture].Anim then
468 begin
469 case FTextureIDs[FCurTexture].Tex of
470 LongWord(TEXTURE_SPECIAL_WATER): exit;
471 LongWord(TEXTURE_SPECIAL_ACID1): exit;
472 LongWord(TEXTURE_SPECIAL_ACID2): exit;
473 LongWord(TEXTURE_NONE): exit;
474 end;
475 end;
476 if (X+Width < lightX-radius) then exit;
477 if (Y+Height < lightY-radius) then exit;
478 if (X > lightX+radius) then exit;
479 if (Y > lightY+radius) then exit;
480 //e_DrawFill(FTextureIDs[FCurTexture].Tex, X, Y, Width div FTextureWidth, Height div FTextureHeight, FAlpha, True, FBlending);
481
482 glBegin(GL_QUADS);
483 drawLine(x, y, x+width, y); // top
484 drawLine(x+width, y, x+width, y+height); // right
485 drawLine(x+width, y+height, x, y+height); // bottom
486 drawLine(x, y+height, x, y); // left
487 glEnd();
488 end;
489 end;
490
491
492 procedure TPanel.positionChanged (); inline;
493 var
494 px, py, pw, ph: Integer;
495 begin
496 if (proxyId >= 0) then
497 begin
498 mapGrid.getBodyDims(proxyId, px, py, pw, ph);
499 if (px <> x) or (py <> y) or (pw <> Width) or (ph <> Height) then
500 begin
501 {
502 e_LogWritefln('panel moved: arridx=%s; guid=%s; proxyid=%s; old:(%s,%s)-(%sx%s); new:(%s,%s)-(%sx%s)',
503 [arrIdx, mGUID, proxyId, px, py, pw, ph, x, y, width, height]);
504 }
505 g_Mark(px, py, pw, ph, MARK_WALL, false);
506 if (pw <> Width) or (ph <> Height) then mapGrid.moveResizeBody(proxyId, X, Y, Width, Height)
507 else mapGrid.moveBody(proxyId, X, Y);
508 g_Mark(X, Y, Width, Height, MARK_WALL);
509 end;
510 end;
511 end;
512
513
514 var
515 monCheckList: array of TMonster = nil;
516 monCheckListUsed: Integer = 0;
517
518 procedure TPanel.Update();
519 var
520 ox, oy: Integer;
521 nx, ny: Integer;
522 ex, ey, nex, ney: Integer;
523 mpw, mph: Integer;
524
525 // return `true` if we should move by dx,dy
526 function tryMPlatMove (px, py, pw, ph: Integer; out dx, dy: Integer; out squash: Boolean; ontop: PBoolean=nil): Boolean;
527 var
528 u0, u1: Single;
529 tex, tey: Integer;
530 pdx, pdy: Integer;
531 pan: TPanel;
532 begin
533 squash := false;
534 tex := px;
535 tey := py;
536 pdx := mMovingSpeed.X;
537 pdy := mMovingSpeed.Y;
538 // standing on the platform?
539 if (py+ph = oy) then
540 begin
541 if (ontop <> nil) then ontop^ := true;
542 // yes, move with it
543 pan := mapGrid.traceBox(tex, tey, px, py, pw, ph, pdx, pdy, nil, GridTagObstacle);
544 if (pan <> nil) then
545 begin
546 //e_LogWritefln('entity on the platform; tracing=(%s,%s); endpoint=(%s,%s); mustbe=(%s,%s)', [px, py, tex, tey, px+pdx, py+pdy]);
547 if (tex = px) and (tey = py) then squash := true;
548 end;
549 end
550 else
551 begin
552 if (ontop <> nil) then ontop^ := false;
553 // not standing on the platform: trace platform to see if it hits the entity
554 // hitedge (for `it`): 0: top; 1: right; 2: bottom; 3: left
555 {
556 if g_Collide(px, py, pw, ph, ox, oy, mpw, mph) then
557 begin
558 e_LogWritefln('entity is embedded: plr=(%s,%s)-(%s,%s); mpl=(%s,%s)-(%s,%s)', [px, py, px+pw-1, py+ph-1, ox, oy, ox+mpw-1, oy+mph-1]);
559 end;
560 }
561 if sweepAABB(ox, oy, mpw, mph, pdx, pdy, px, py, pw, ph, @u0, nil, @u1) then
562 begin
563 //e_LogWritefln('T: platsweep; u0=%s; u1=%s; hedge=%s; sweepAABB(%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)', [u0, u1, hedge, ox, oy, mpw, mph, pdx, pdy, px-1, py-1, pw+2, ph+2]);
564 // yes, platform hits the entity, push the entity in the direction of the platform
565 u0 := 1.0-u0; // how much path left?
566 pdx := trunc(pdx*u0);
567 pdy := trunc(pdy*u0);
568 //e_LogWritefln(' platsweep; uleft=%s; pd=(%s,%s)', [u0, pdx, pdy]);
569 if (pdx <> 0) or (pdy <> 0) then
570 begin
571 // has some path to go, trace the entity
572 pan := mapGrid.traceBox(tex, tey, px, py, pw, ph, pdx, pdy, nil, GridTagObstacle);
573 //e_LogWritefln(' tracebox: te=(%s,%s)', [tex, tey]);
574 if (pan <> nil) and (tex = px) and (tey = py) then squash := true;
575 end;
576 end
577 else
578 begin
579 // no collistion, but may be embedded
580 //e_LogWritefln('F: platsweep; u0=%s; u1=%s; sweepAABB(%s, %s, %s, %s, %s, %s, %s, %s, %s, %s)', [u0, u1, ox, oy, mpw, mph, pdx, pdy, px-1, py-1, pw+2, ph+2]);
581 squash := (u1 >= 0.0);
582 end;
583 end;
584 dx := tex-px;
585 dy := tey-py;
586 result := (dx <> 0) or (dy <> 0);
587 if result and (not squash) then
588 begin
589 squash := g_Collide(tex, tey, pw, ph, nx, ny, mpw, mph); // still in platform?
590 if not squash then squash := g_Map_CollidePanel(tex, tey, pw, ph, (PANEL_WALL or PANEL_OPENDOOR or PANEL_CLOSEDOOR));
591 end;
592 end;
593
594 function monCollect (mon: TMonster): Boolean;
595 begin
596 result := false; // don't stop
597 if (monCheckListUsed >= Length(monCheckList)) then SetLength(monCheckList, monCheckListUsed+128);
598 monCheckList[monCheckListUsed] := mon;
599 Inc(monCheckListUsed);
600 end;
601
602 var
603 cx0, cy0, cx1, cy1, cw, ch: Integer;
604 f: Integer;
605 px, py, pw, ph, pdx, pdy: Integer;
606 squash: Boolean;
607 plr: TPlayer;
608 gib: PGib;
609 cor: TCorpse;
610 mon: TMonster;
611 mpfrid: LongWord;
612 ontop: Boolean;
613 begin
614 if (not Enabled) or (Width < 1) or (Height < 1) then exit;
615
616 if (FCurTexture >= 0) and
617 (FTextureIDs[FCurTexture].Anim) and
618 (FTextureIDs[FCurTexture].AnTex <> nil) and
619 (FAlpha < 255) then
620 begin
621 FTextureIDs[FCurTexture].AnTex.Update();
622 FCurFrame := FTextureIDs[FCurTexture].AnTex.CurrentFrame;
623 FCurFrameCount := FTextureIDs[FCurTexture].AnTex.CurrentCounter;
624 end;
625
626 // moving platform?
627 if mMovingActive and (not mMovingSpeed.isZero) and g_dbgpan_mplat_active then
628 begin
629 (*
630 * collect all monsters and players (aka entities) along the possible platform path
631 * if entity is standing on a platform:
632 * try to move it along the platform path, checking wall collisions
633 * if entity is NOT standing on a platform, but hit with sweeped platform aabb:
634 * try to push entity
635 * if we can't push entity all the way, squash it
636 *)
637 mpw := Width;
638 mph := Height;
639
640 // old rect
641 ox := X;
642 oy := Y;
643 ex := ox+mpw-1;
644 ey := ox+mph-1;
645 // new rect
646 nx := ox+mMovingSpeed.X;
647 ny := oy+mMovingSpeed.Y;
648 nex := nx+mpw-1;
649 ney := ny+mph-1;
650 // full rect
651 cx0 := nmin(ox, nx);
652 cy0 := nmin(oy, ny);
653 cx1 := nmax(ex, nex);
654 cy1 := nmax(ey, ney);
655 // extrude
656 cx0 -= 1;
657 cy0 -= 1;
658 cx1 += 1;
659 cy1 += 1;
660 cw := cx1-cx0+1;
661 ch := cy1-cy0+1;
662
663 // temporarily turn off this panel, so it won't interfere with collision checks
664 mapGrid.proxyEnabled[proxyId] := false;
665
666 // process players
667 for f := 0 to High(gPlayers) do
668 begin
669 plr := gPlayers[f];
670 if (plr = nil) or (not plr.alive) then continue;
671 plr.getMapBox(px, py, pw, ph);
672 if not g_Collide(px, py, pw, ph, cx0, cy0, cw, ch) then continue;
673 if tryMPlatMove(px, py, pw, ph, pdx, pdy, squash) then
674 begin
675 // set new position
676 plr.moveBy(pdx, pdy); // this will call `positionChanged()` for us
677 // squash player, if necessary
678 if squash then plr.Damage(15000, 0, 0, 0, HIT_TRAP);
679 end;
680 end;
681
682 // process gibs
683 for f := 0 to High(gGibs) do
684 begin
685 gib := @gGibs[f];
686 if not gib.alive then continue;
687 gib.getMapBox(px, py, pw, ph);
688 if not g_Collide(px, py, pw, ph, cx0, cy0, cw, ch) then continue;
689 if tryMPlatMove(px, py, pw, ph, pdx, pdy, squash, @ontop) then
690 begin
691 // set new position
692 gib.moveBy(pdx, pdy); // this will call `positionChanged()` for us
693 {
694 if ontop then
695 begin
696 gib.Obj.Vel.X += pdx;
697 gib.Obj.Vel.Y += pdy;
698 end;
699 }
700 end;
701 end;
702
703 // move and push corpses
704 for f := 0 to High(gCorpses) do
705 begin
706 cor := gCorpses[f];
707 if (cor = nil) then continue;
708 cor.getMapBox(px, py, pw, ph);
709 if not g_Collide(px, py, pw, ph, cx0, cy0, cw, ch) then continue;
710 if tryMPlatMove(px, py, pw, ph, pdx, pdy, squash, @ontop) then
711 begin
712 // set new position
713 cor.moveBy(pdx, pdy); // this will call `positionChanged()` for us
714 {
715 if ontop then
716 begin
717 cor.ObjPtr.Vel.X += pdx;
718 cor.ObjPtr.Vel.Y += pdy;
719 end;
720 }
721 end;
722 end;
723
724 // collect monsters
725 monCheckListUsed := 0;
726 g_Mons_ForEachAt(cx0, cy0, cw, ch, monCollect);
727
728 // process collected monsters
729 if (monCheckListUsed > 0) then
730 begin
731 mpfrid := g_Mons_getNewMPlatFrameId();
732 for f := 0 to monCheckListUsed do
733 begin
734 mon := monCheckList[f];
735 if (mon = nil) or (not mon.alive) or (mon.mplatCheckFrameId = mpfrid) then continue;
736 mon.mplatCheckFrameId := mpfrid;
737 mon.getMapBox(px, py, pw, ph);
738 //if not g_Collide(px, py, pw, ph, cx0, cy0, cw, ch) then continue;
739 if tryMPlatMove(px, py, pw, ph, pdx, pdy, squash) then
740 begin
741 // set new position
742 mon.moveBy(pdx, pdy); // this will call `positionChanged()` for us
743 // squash player, if necessary
744 if squash then mon.Damage(15000, 0, 0, 0, HIT_TRAP);
745 end;
746 end;
747 end;
748
749 // restore panel state
750 mapGrid.proxyEnabled[proxyId] := true;
751 // and really move it
752 X := nx;
753 Y := ny;
754 positionChanged();
755
756 // reverse moving direction, if necessary
757 if (mMovingSpeed.X < 0) and (nx <= mMovingStart.X) then mMovingSpeed.X := -mMovingSpeed.X
758 else if (mMovingSpeed.X > 0) and (nx >= mMovingEnd.X) then mMovingSpeed.X := -mMovingSpeed.X;
759 if (mMovingSpeed.Y < 0) and (ny <= mMovingStart.Y) then mMovingSpeed.Y := -mMovingSpeed.Y
760 else if (mMovingSpeed.Y > 0) and (ny >= mMovingEnd.Y) then mMovingSpeed.Y := -mMovingSpeed.Y;
761 end;
762 end;
763
764 procedure TPanel.SetFrame(Frame: Integer; Count: Byte);
765
766 function ClampInt(X, A, B: Integer): Integer;
767 begin
768 Result := X;
769 if X < A then Result := A else if X > B then Result := B;
770 end;
771
772 begin
773 if Enabled and (FCurTexture >= 0) and
774 (FTextureIDs[FCurTexture].Anim) and
775 (FTextureIDs[FCurTexture].AnTex <> nil) and
776 (Width > 0) and (Height > 0) and (FAlpha < 255) then
777 begin
778 FCurFrame := ClampInt(Frame, 0, FTextureIDs[FCurTexture].AnTex.TotalFrames);
779 FCurFrameCount := Count;
780 FTextureIDs[FCurTexture].AnTex.CurrentFrame := FCurFrame;
781 FTextureIDs[FCurTexture].AnTex.CurrentCounter := FCurFrameCount;
782 end;
783 end;
784
785 procedure TPanel.NextTexture(AnimLoop: Byte = 0);
786 begin
787 Assert(FCurTexture >= -1, 'FCurTexture < -1');
788
789 // Íåò òåêñòóð:
790 if Length(FTextureIDs) = 0 then
791 FCurTexture := -1
792 else
793 // Òîëüêî îäíà òåêñòóðà:
794 if Length(FTextureIDs) = 1 then
795 begin
796 if FCurTexture = 0 then
797 FCurTexture := -1
798 else
799 FCurTexture := 0;
800 end
801 else
802 // Áîëüøå îäíîé òåêñòóðû:
803 begin
804 // Ñëåäóþùàÿ:
805 Inc(FCurTexture);
806 // Ñëåäóþùåé íåò - âîçâðàò ê íà÷àëó:
807 if FCurTexture >= Length(FTextureIDs) then
808 FCurTexture := 0;
809 end;
810
811 // Ïåðåêëþ÷èëèñü íà âèäèìóþ àíèì. òåêñòóðó:
812 if (FCurTexture >= 0) and FTextureIDs[FCurTexture].Anim then
813 begin
814 if (FTextureIDs[FCurTexture].AnTex = nil) then
815 begin
816 g_FatalError(_lc[I_GAME_ERROR_SWITCH_TEXTURE]);
817 Exit;
818 end;
819
820 if AnimLoop = 1 then
821 FTextureIDs[FCurTexture].AnTex.Loop := True
822 else
823 if AnimLoop = 2 then
824 FTextureIDs[FCurTexture].AnTex.Loop := False;
825
826 FTextureIDs[FCurTexture].AnTex.Reset();
827 end;
828
829 LastAnimLoop := AnimLoop;
830 end;
831
832 procedure TPanel.SetTexture(ID: Integer; AnimLoop: Byte = 0);
833 begin
834 // Íåò òåêñòóð:
835 if Length(FTextureIDs) = 0 then
836 FCurTexture := -1
837 else
838 // Òîëüêî îäíà òåêñòóðà:
839 if Length(FTextureIDs) = 1 then
840 begin
841 if (ID = 0) or (ID = -1) then
842 FCurTexture := ID;
843 end
844 else
845 // Áîëüøå îäíîé òåêñòóðû:
846 begin
847 if (ID >= -1) and (ID <= High(FTextureIDs)) then
848 FCurTexture := ID;
849 end;
850
851 // Ïåðåêëþ÷èëèñü íà âèäèìóþ àíèì. òåêñòóðó:
852 if (FCurTexture >= 0) and FTextureIDs[FCurTexture].Anim then
853 begin
854 if (FTextureIDs[FCurTexture].AnTex = nil) then
855 begin
856 g_FatalError(_lc[I_GAME_ERROR_SWITCH_TEXTURE]);
857 Exit;
858 end;
859
860 if AnimLoop = 1 then
861 FTextureIDs[FCurTexture].AnTex.Loop := True
862 else
863 if AnimLoop = 2 then
864 FTextureIDs[FCurTexture].AnTex.Loop := False;
865
866 FTextureIDs[FCurTexture].AnTex.Reset();
867 end;
868
869 LastAnimLoop := AnimLoop;
870 end;
871
872 function TPanel.GetTextureID(): DWORD;
873 begin
874 Result := LongWord(TEXTURE_NONE);
875
876 if (FCurTexture >= 0) then
877 begin
878 if FTextureIDs[FCurTexture].Anim then
879 Result := FTextureIDs[FCurTexture].AnTex.FramesID
880 else
881 Result := FTextureIDs[FCurTexture].Tex;
882 end;
883 end;
884
885 function TPanel.GetTextureCount(): Integer;
886 begin
887 Result := Length(FTextureIDs);
888 if Enabled and (FCurTexture >= 0) then
889 if (FTextureIDs[FCurTexture].Anim) and
890 (FTextureIDs[FCurTexture].AnTex <> nil) and
891 (Width > 0) and (Height > 0) and (FAlpha < 255) then
892 Result := Result + 100;
893 end;
894
895 procedure TPanel.SaveState(Var Mem: TBinMemoryWriter);
896 var
897 sig: DWORD;
898 anim: Boolean;
899 begin
900 if (Mem = nil) then exit;
901 //if not SaveIt then exit;
902
903 // Ñèãíàòóðà ïàíåëè:
904 sig := PANEL_SIGNATURE; // 'PANL'
905 Mem.WriteDWORD(sig);
906 // Îòêðûòà/çàêðûòà, åñëè äâåðü:
907 Mem.WriteBoolean(FEnabled);
908 // Íàïðàâëåíèå ëèôòà, åñëè ëèôò:
909 Mem.WriteByte(FLiftType);
910 // Íîìåð òåêóùåé òåêñòóðû:
911 Mem.WriteInt(FCurTexture);
912 // Êîîðäû
913 Mem.WriteInt(FX);
914 Mem.WriteInt(FY);
915 // Àíèìèðîâàííàÿ ëè òåêóùàÿ òåêñòóðà:
916 if (FCurTexture >= 0) and (FTextureIDs[FCurTexture].Anim) then
917 begin
918 Assert(FTextureIDs[FCurTexture].AnTex <> nil,
919 'TPanel.SaveState: No animation object');
920 anim := True;
921 end
922 else
923 anim := False;
924 Mem.WriteBoolean(anim);
925 // Åñëè äà - ñîõðàíÿåì àíèìàöèþ:
926 if anim then
927 FTextureIDs[FCurTexture].AnTex.SaveState(Mem);
928 // moving platform state
929 Mem.WriteInt(mMovingSpeed.X);
930 Mem.WriteInt(mMovingSpeed.Y);
931 Mem.WriteInt(mMovingStart.X);
932 Mem.WriteInt(mMovingStart.Y);
933 Mem.WriteInt(mMovingEnd.X);
934 Mem.WriteInt(mMovingEnd.Y);
935 Mem.WriteBoolean(mMovingActive);
936 end;
937
938 procedure TPanel.LoadState(var Mem: TBinMemoryReader);
939 var
940 sig: DWORD;
941 anim: Boolean;
942 //ox, oy: Integer;
943 begin
944 if (Mem = nil) then exit;
945 //if not SaveIt then exit;
946
947 // Ñèãíàòóðà ïàíåëè:
948 Mem.ReadDWORD(sig);
949 if sig <> PANEL_SIGNATURE then // 'PANL'
950 begin
951 raise EBinSizeError.Create('TPanel.LoadState: Wrong Panel Signature');
952 end;
953 // Îòêðûòà/çàêðûòà, åñëè äâåðü:
954 Mem.ReadBoolean(FEnabled);
955 // Íàïðàâëåíèå ëèôòà, åñëè ëèôò:
956 Mem.ReadByte(FLiftType);
957 // Íîìåð òåêóùåé òåêñòóðû:
958 Mem.ReadInt(FCurTexture);
959 // Êîîðäû
960 //ox := FX;
961 //oy := FY;
962 Mem.ReadInt(FX);
963 Mem.ReadInt(FY);
964 //e_LogWritefln('panel %s(%s): old=(%s,%s); new=(%s,%s); delta=(%s,%s)', [arrIdx, proxyId, ox, oy, FX, FY, FX-ox, FY-oy]);
965 // Àíèìèðîâàííàÿ ëè òåêóùàÿ òåêñòóðà:
966 Mem.ReadBoolean(anim);
967 // Åñëè äà - çàãðóæàåì àíèìàöèþ:
968 if anim then
969 begin
970 Assert((FCurTexture >= 0) and
971 (FTextureIDs[FCurTexture].Anim) and
972 (FTextureIDs[FCurTexture].AnTex <> nil),
973 'TPanel.LoadState: No animation object');
974 FTextureIDs[FCurTexture].AnTex.LoadState(Mem);
975 end;
976 // moving platform state
977 Mem.ReadInt(mMovingSpeed.X);
978 Mem.ReadInt(mMovingSpeed.Y);
979 Mem.ReadInt(mMovingStart.X);
980 Mem.ReadInt(mMovingStart.Y);
981 Mem.ReadInt(mMovingEnd.X);
982 Mem.ReadInt(mMovingEnd.Y);
983 Mem.ReadBoolean(mMovingActive);
984
985 positionChanged();
986 //mapGrid.proxyEnabled[proxyId] := FEnabled; // done in g_map.pas
987 end;
988
989 end.
[MIRROR] a port of Doom 2D Forever to FPC/SDL
[25/02/2024 19:55:35]
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