Restrict object placement between leftX and rightX
(* * Hedgewars, a free turn based strategy game * Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA *){$INCLUDE "options.inc"}unit uLandObjects;interfaceuses SDLh;procedure AddObjects();procedure FreeLandObjects();procedure LoadThemeConfig;procedure BlitImageAndGenerateCollisionInfo(cpX, cpY, Width: Longword; Image: PSDL_Surface); inline;procedure BlitImageAndGenerateCollisionInfo(cpX, cpY, Width: Longword; Image: PSDL_Surface; LandFlags: Word); inline;procedure BlitImageAndGenerateCollisionInfo(cpX, cpY, Width: Longword; Image: PSDL_Surface; LandFlags: Word; Flip: boolean);procedure BlitOverlayAndGenerateCollisionInfo(cpX, cpY: Longword; Image: PSDL_Surface);procedure BlitImageUsingMask(cpX, cpY: Longword; Image, Mask: PSDL_Surface);procedure AddOnLandObjects(Surface: PSDL_Surface);procedure SetLand(var LandWord: Word; Pixel: LongWord); inline;implementationuses uStore, uConsts, uConsole, uRandom, uSound , uTypes, uVariables, uDebug, uUtils , uPhysFSLayer, adler32, uRenderUtils;const MaxRects = 512; MAXOBJECTRECTS = 16; MAXTHEMEOBJECTS = 32; cThemeCFGFilename = 'theme.cfg';type PLongWord = ^LongWord; TRectsArray = array[0..MaxRects] of TSDL_Rect; PRectArray = ^TRectsArray; TThemeObjectOverlay = record Position: TPoint; Surf: PSDL_Surface; Width, Height: LongWord; end; TThemeObject = record Name: ShortString; Surf, Mask: PSDL_Surface; inland: array[0..Pred(MAXOBJECTRECTS)] of TSDL_Rect; outland: array[0..Pred(MAXOBJECTRECTS)] of TSDL_Rect; anchors: array[0..Pred(MAXOBJECTRECTS)] of TSDL_Rect; overlays: array[0..Pred(MAXOBJECTRECTS)] of TThemeObjectOverlay; inrectcnt: LongInt; outrectcnt: LongInt; anchorcnt: LongInt; overlaycnt: LongInt; Width, Height: Longword; Maxcnt: Longword; end; TThemeObjects = record Count: LongInt; objs: array[0..Pred(MAXTHEMEOBJECTS)] of TThemeObject; end; TSprayObject = record Surf: PSDL_Surface; Width, Height: Longword; Maxcnt: Longword; end; TSprayObjects = record Count: LongInt; objs: array[0..Pred(MAXTHEMEOBJECTS)] of TSprayObject end;var Rects: PRectArray; RectCount: Longword; ThemeObjects: TThemeObjects; SprayObjects: TSprayObjects;procedure SetLand(var LandWord: Word; Pixel: LongWord); inline;begin // this an if instead of masking colours to avoid confusing map creators if ((AMask and Pixel) = 0) then LandWord:= 0 else if Pixel = $FFFFFFFF then // white LandWord:= lfObject else if Pixel = AMask then // black begin LandWord:= lfBasic; disableLandBack:= false end else if Pixel = (AMask or RMask) then // red LandWord:= lfIndestructible else if Pixel = (AMask or BMask) then // blue LandWord:= lfObject or lfIce else if Pixel = (AMask or GMask) then // green LandWord:= lfObject or lfBouncyend;procedure BlitImageAndGenerateCollisionInfo(cpX, cpY, Width: Longword; Image: PSDL_Surface); inline;begin BlitImageAndGenerateCollisionInfo(cpX, cpY, Width, Image, 0, false);end;procedure BlitImageAndGenerateCollisionInfo(cpX, cpY, Width: Longword; Image: PSDL_Surface; LandFlags: Word); inline;begin BlitImageAndGenerateCollisionInfo(cpX, cpY, Width, Image, LandFlags, false);end;function LerpByte(src, dst: Byte; l: LongWord): LongWord; inline;begin LerpByte:= ((255 - l) * src + l * dst) div 255;end;procedure BlitImageAndGenerateCollisionInfo(cpX, cpY, Width: Longword; Image: PSDL_Surface; LandFlags: Word; Flip: boolean);var p: PLongwordArray; pLandColor: PLongWord; alpha, color, landColor, x, y: LongWord; bpp: LongInt;beginWriteToConsole('Generating collision info... ');if SDL_MustLock(Image) then if SDLCheck(SDL_LockSurface(Image) >= 0, 'SDL_LockSurface', true) then exit;bpp:= Image^.format^.BytesPerPixel;if checkFails(bpp = 4, 'Land object should be 32bit', true) thenbeginif SDL_MustLock(Image) then SDL_UnlockSurface(Image);end;if Width = 0 then Width:= Image^.w;p:= Image^.pixels;for y:= 0 to Pred(Image^.h) do begin for x:= 0 to Pred(Width) do begin // map image pixels per line backwards if in flip mode if Flip then color:= p^[Pred(Image^.w) - x] else color:= p^[x]; if (cReducedQuality and rqBlurryLand) = 0 then pLandColor:= @LandPixels[cpY + y, cpX + x] else pLandColor:= @LandPixels[(cpY + y) div 2, (cpX + x) div 2]; landColor:= pLandColor^; alpha:= (landColor and AMask) shr AShift; if ((color and AMask) <> 0) and (alpha <> 255) then begin if alpha = 0 then pLandColor^:= color else pLandColor^:= (LerpByte((color and RMask) shr RShift, (landColor and RMask) shr RShift, alpha) shl RShift) or (LerpByte((color and GMask) shr GShift, (landColor and GMask) shr GShift, alpha) shl GShift) or (LerpByte((color and BMask) shr BShift, (landColor and BMask) shr BShift, alpha) shl BShift) or (LerpByte(alpha, 255, (color and AMask) shr AShift) shl AShift); end; if ((color and AMask) <> 0) and (Land[cpY + y, cpX + x] <= lfAllObjMask) then Land[cpY + y, cpX + x]:= lfObject or LandFlags end; p:= PLongwordArray(@(p^[Image^.pitch shr 2])) end;if SDL_MustLock(Image) then SDL_UnlockSurface(Image);WriteLnToConsole(msgOK)end;procedure BlitOverlayAndGenerateCollisionInfo(cpX, cpY: Longword; Image: PSDL_Surface);var p: PLongwordArray; pLandColor: PLongWord; x, y, alpha, color, landColor: LongWord;beginWriteToConsole('Generating overlay collision info... ');if SDL_MustLock(Image) then if SDLCheck(SDL_LockSurface(Image) >= 0, 'SDL_LockSurface', true) then exit;if checkFails(Image^.format^.BytesPerPixel = 4, 'Land object overlay should be 32bit', true) and SDL_MustLock(Image) then SDL_UnlockSurface(Image);p:= Image^.pixels;for y:= 0 to Pred(Image^.h) do begin for x:= 0 to Pred(Image^.w) do begin color:= p^[x]; if (color and AMask) <> 0 then begin if (cReducedQuality and rqBlurryLand) = 0 then pLandColor:= @LandPixels[cpY + y, cpX + x] else pLandColor:= @LandPixels[(cpY + y) div 2, (cpX + x) div 2]; alpha:= (color and AMask) shr AShift; if ((alpha <> $FF) and ((pLandColor^) <> 0)) then begin landColor:= pLandColor^; color:= (LerpByte((landColor and RMask) shr RShift, (color and RMask) shr RShift, alpha) shl RShift) or (LerpByte((landColor and GMask) shr GShift, (color and GMask) shr GShift, alpha) shl GShift) or (LerpByte((landColor and BMask) shr BShift, (color and BMask) shr BShift, alpha) shl BShift) or (LerpByte(alpha, 255, (landColor and AMask) shr AShift) shl AShift) end; pLandColor^:= color; if Land[cpY + y, cpX + x] <= lfAllObjMask then Land[cpY + y, cpX + x]:= lfObject end; end; p:= PLongwordArray(@(p^[Image^.pitch shr 2])) end;if SDL_MustLock(Image) then SDL_UnlockSurface(Image);WriteLnToConsole(msgOK)end;procedure BlitImageUsingMask(cpX, cpY: Longword; Image, Mask: PSDL_Surface);var p, mp: PLongwordArray; pLandColor: PLongWord; alpha, color, landColor, x, y: Longword; bpp: LongInt;beginWriteToConsole('Generating collision info... ');if SDL_MustLock(Image) then if SDLCheck(SDL_LockSurface(Image) >= 0, 'SDL_LockSurface', true) then exit;bpp:= Image^.format^.BytesPerPixel;if checkFails(bpp = 4, 'Land object should be 32bit', true) thenbeginif SDL_MustLock(Image) then SDL_UnlockSurface(Image);end;p:= Image^.pixels;mp:= Mask^.pixels;for y:= 0 to Pred(Image^.h) do begin for x:= 0 to Pred(Image^.w) do begin color:= p^[x]; if (cReducedQuality and rqBlurryLand) = 0 then pLandColor:= @LandPixels[cpY + y, cpX + x] else pLandColor:= @LandPixels[(cpY + y) div 2, (cpX + x) div 2]; landColor:= pLandColor^; alpha:= (landColor and AMask) shr AShift; if ((color and AMask) <> 0) and (alpha <> 255) then begin if alpha = 0 then pLandColor^:= color else pLandColor^:= (LerpByte((color and RMask) shr RShift, (landColor and RMask) shr RShift, alpha) shl RShift) or (LerpByte((color and GMask) shr GShift, (landColor and GMask) shr GShift, alpha) shl GShift) or (LerpByte((color and BMask) shr BShift, (landColor and BMask) shr BShift, alpha) shl BShift) or (LerpByte(alpha, 255, (color and AMask) shr AShift) shl AShift); end; if (Land[cpY + y, cpX + x] <= lfAllObjMask) or (Land[cpY + y, cpX + x] and lfObject <> 0) then SetLand(Land[cpY + y, cpX + x], mp^[x]); end; p:= PLongwordArray(@(p^[Image^.pitch shr 2])); mp:= PLongwordArray(@(mp^[Mask^.pitch shr 2])) end;if SDL_MustLock(Image) then SDL_UnlockSurface(Image);WriteLnToConsole(msgOK)end;procedure AddRect(x1, y1, w1, h1: LongInt);beginwith Rects^[RectCount] do begin x:= x1; y:= y1; w:= w1; h:= h1 end;inc(RectCount);checkFails(RectCount < MaxRects, 'AddRect: overflow', true)end;procedure InitRects;begin RectCount:= 0; New(Rects)end;procedure FreeRects;begin Dispose(rects)end;function CheckIntersect(x1, y1, w1, h1: LongInt): boolean;var i: Longword; res: boolean = false;begini:= 0;if RectCount > 0 then repeat with Rects^[i] do res:= (x < x1 + w1) and (x1 < x + w) and (y < y1 + h1) and (y1 < y + h); inc(i) until (i = RectCount) or (res);CheckIntersect:= res;end;function CountNonZeroz(x, y, h: LongInt): Longword;var i: LongInt; lRes: Longword;begin lRes:= 0; for i:= y to Pred(y + h) do if Land[i, x] <> 0 then inc(lRes); CountNonZeroz:= lRes;end;procedure ChecksumLandObjectImage(Image: PSDL_Surface);var y: LongInt;begin if Image = nil then exit; if SDL_MustLock(Image) then SDL_LockSurface(Image); if checkFails(Image^.format^.BytesPerPixel = 4, 'Land object image should be 32bit', true) then begin if SDL_MustLock(Image) then SDL_UnlockSurface(Image); exit end; for y := 0 to Image^.h-1 do syncedPixelDigest:= Adler32Update(syncedPixelDigest, @PByteArray(Image^.pixels)^[y*Image^.pitch], Image^.w*4); if SDL_MustLock(Image) then SDL_UnlockSurface(Image);end;function AddGirder(gX: LongInt; var girSurf: PSDL_Surface): boolean;var x1, x2, y, k, i, girderHeight: LongInt; rr: TSDL_Rect; bRes: boolean;beginif girSurf = nil then girSurf:= LoadDataImageAltPath(ptCurrTheme, ptGraphics, 'Girder', ifCritical or ifColorKey or ifIgnoreCaps);ChecksumLandObjectImage(girsurf);girderHeight:= girSurf^.h;y:= topY+150;repeat inc(y, 24); x1:= gX; x2:= gX; while (x1 > leftX+150) and (CountNonZeroz(x1, y, girderHeight) = 0) do dec(x1, 2); i:= x1 - 12; repeat k:= CountNonZeroz(x1, y, girderHeight); dec(x1, 2) until (x1 < leftX + 100) or (k = 0) or (k = girderHeight) or (x1 < i); inc(x1, 2); if k = girderHeight then begin while (x2 < (rightX - 100)) and (CountNonZeroz(x2, y, girderHeight) = 0) do inc(x2, 2); i:= x2 + 12; repeat inc(x2, 2); k:= CountNonZeroz(x2, y, girderHeight) until (x2 >= (rightX-150)) or (k = 0) or (k = girderHeight) or (x2 > i) or (x2 - x1 >= 900); if (x2 < (rightX - 100)) and (k = girderHeight) and (x2 - x1 > 200) and (x2 - x1 < 900) and (not CheckIntersect(x1 - 32, y - 64, x2 - x1 + 64, 144)) then break; end;x1:= 0;until y > (LAND_HEIGHT-125);if x1 > 0 thenbegin bRes:= true; rr.x:= x1; while rr.x < x2 do begin if cIce then BlitImageAndGenerateCollisionInfo(rr.x, y, min(x2 - rr.x, girSurf^.w), girSurf, lfIce) else BlitImageAndGenerateCollisionInfo(rr.x, y, min(x2 - rr.x, girSurf^.w), girSurf); inc(rr.x, girSurf^.w); end; AddRect(x1 - 8, y - 32, x2 - x1 + 16, 80);endelse bRes:= false;AddGirder:= bRes;end;function CheckLand(rect: TSDL_Rect; dX, dY, Color: Longword): boolean;var tmpx, tmpx2, tmpy, tmpy2, bx, by: LongInt; bRes: boolean = true;begininc(rect.x, dX);inc(rect.y, dY);bx:= rect.x + rect.w;by:= rect.y + rect.h;{$WARNINGS OFF}tmpx:= rect.x;tmpx2:= bx;while (tmpx <= bx - rect.w div 2 - 1) and bRes do begin bRes:= ((rect.y and LAND_HEIGHT_MASK) = 0) and ((by and LAND_HEIGHT_MASK) = 0) and ((tmpx and LAND_WIDTH_MASK) = 0) and ((tmpx2 and LAND_WIDTH_MASK) = 0) and (Land[rect.y, tmpx] = Color) and (Land[by, tmpx] = Color) and (Land[rect.y, tmpx2] = Color) and (Land[by, tmpx2] = Color); inc(tmpx); dec(tmpx2) end;tmpy:= rect.y+1;tmpy2:= by-1;while (tmpy <= by - rect.h div 2 - 1) and bRes do begin bRes:= ((tmpy and LAND_HEIGHT_MASK) = 0) and ((tmpy2 and LAND_HEIGHT_MASK) = 0) and ((rect.x and LAND_WIDTH_MASK) = 0) and ((bx and LAND_WIDTH_MASK) = 0) and (Land[tmpy, rect.x] = Color) and (Land[tmpy, bx] = Color) and (Land[tmpy2, rect.x] = Color) and (Land[tmpy2, bx] = Color); inc(tmpy); dec(tmpy2) end;{$WARNINGS ON}CheckLand:= bRes;end;function CheckLandAny(rect: TSDL_Rect; dX, dY, LandType: Longword): boolean;var tmpx, tmpy, bx, by: LongInt;begin inc(rect.x, dX); inc(rect.y, dY); bx:= rect.x + rect.w - 1; by:= rect.y + rect.h - 1; CheckLandAny:= false; if (((rect.x and LAND_WIDTH_MASK) or (bx and LAND_WIDTH_MASK) or (rect.y and LAND_HEIGHT_MASK) or (by and LAND_HEIGHT_MASK)) = 0) then begin for tmpx := rect.x to bx do begin if (((Land[rect.y, tmpx] and LandType) or (Land[by, tmpx] and LandType)) <> 0) then begin CheckLandAny := true; exit; end end; for tmpy := rect.y to by do begin if (((Land[tmpy, rect.x] and LandType) or (Land[tmpy, bx] and LandType)) <> 0) then begin CheckLandAny := true; exit; end end; end;end;function CheckCanPlace(x, y: Longword; var Obj: TThemeObject): boolean;var i: Longword; bRes, anchored: boolean; overlayP1, overlayP2: TPoint;begin with Obj do begin bRes:= true; i:= 0; while bRes and (i < overlaycnt) do begin overlayP1.x:= overlays[i].Position.x + x; overlayP1.y:= overlays[i].Position.y + y; overlayP2.x:= overlayP1.x + overlays[i].Width - 1; overlayP2.y:= overlayP1.y + overlays[i].Height - 1; bRes:= (((LAND_WIDTH_MASK and overlayP1.x) or (LAND_HEIGHT_MASK and overlayP1.y) or (LAND_WIDTH_MASK and overlayP2.x) or (LAND_HEIGHT_MASK and overlayP2.y)) = 0) and (not CheckIntersect(overlayP1.x, overlayP1.y, overlays[i].Width, overlays[i].Height)); inc(i) end; i:= 0; while bRes and (i < inrectcnt) do begin bRes:= CheckLand(inland[i], x, y, lfBasic); inc(i) end; i:= 0; while bRes and (i < outrectcnt) do begin bRes:= CheckLand(outland[i], x, y, 0); inc(i) end; if bRes then begin anchored:= anchorcnt = 0; i:= 0; while i < anchorcnt do begin anchored := CheckLandAny(anchors[i], x, y, lfLandMask); if anchored then break; inc(i); end; bRes:= anchored; end; if bRes then bRes:= not CheckIntersect(x, y, Width, Height); CheckCanPlace:= bRes; endend;function TryPut(var Obj: TThemeObject): boolean;const MaxPointsIndex = 2047;var x, y: Longword; ar: array[0..MaxPointsIndex] of TPoint; cnt, i, ii: Longword; bRes: boolean;beginTryPut:= false;cnt:= 0;with Obj do begin if Maxcnt = 0 then exit; x:= leftX; repeat y:= topY+32; // leave room for a hedgie to teleport in repeat if (inrectcnt > 0) and (inland[0].x = 0) and (inland[0].y = 0) and (inland[0].w = 0) and (inland[0].h = 0) then y := LAND_HEIGHT - Height; if CheckCanPlace(x, y, Obj) then begin ar[cnt].x:= x; ar[cnt].y:= y; if cnt >= MaxPointsIndex then // buffer is full, do not check the rest land begin y:= LAND_HEIGHT; x:= LAND_WIDTH; end else inc(cnt); end; inc(y, 3); until y >= LAND_HEIGHT - Height; inc(x, getrandom(6) + 3) until x >= rightX - Width; bRes:= cnt <> 0; if bRes then begin i:= getrandom(cnt); if Obj.Mask <> nil then BlitImageUsingMask(ar[i].x, ar[i].y, Obj.Surf, Obj.Mask) else BlitImageAndGenerateCollisionInfo(ar[i].x, ar[i].y, 0, Obj.Surf); AddRect(ar[i].x, ar[i].y, Width, Height); ii:= 0; while ii < overlaycnt do begin BlitOverlayAndGenerateCollisionInfo( ar[i].x + overlays[ii].Position.X, ar[i].y + overlays[ii].Position.Y, overlays[ii].Surf); AddRect(ar[i].x + overlays[ii].Position.X, ar[i].y + overlays[ii].Position.Y, Width, Height); inc(ii); end; dec(Maxcnt) end else Maxcnt:= 0 end;TryPut:= bRes;end;function TryPut2(var Obj: TSprayObject; Surface: PSDL_Surface): boolean;const MaxPointsIndex = 8095;var x, y: Longword; ar: array[0..MaxPointsIndex] of TPoint; cnt, i: Longword; r: TSDL_Rect; bRes: boolean;beginTryPut2:= false;cnt:= 0;with Obj do begin if Maxcnt = 0 then exit; x:= 0; r.x:= 0; r.y:= 0; r.w:= Width; r.h:= Height + 16; repeat y:= 8; repeat if CheckLand(r, x, y - 8, lfBasic) and (not CheckIntersect(x, y, Width, Height)) then begin ar[cnt].x:= x; ar[cnt].y:= y; if cnt >= MaxPointsIndex then // buffer is full, do not check the rest land begin y:= $FF000000; x:= $FF000000; end else inc(cnt); end; inc(y, 12); until y >= LAND_HEIGHT - Height - 8; inc(x, getrandom(12) + 12) until x >= LAND_WIDTH - Width; bRes:= cnt <> 0; if bRes then begin i:= getrandom(cnt); copyToXY(Obj.Surf, Surface, ar[i].X, ar[i].Y); AddRect(ar[i].x - 32, ar[i].y - 32, Width + 64, Height + 64); dec(Maxcnt) end else Maxcnt:= 0 end;TryPut2:= bRes;end;procedure CheckRect(Width, Height, x, y, w, h: LongWord);begin if (x + w > Width) then OutError('Broken theme. Object''s rectangle exceeds image: x + w (' + inttostr(x) + ' + ' + inttostr(w) + ') > Width (' + inttostr(Width) + ')', true); if (y + h > Height) then OutError('Broken theme. Object''s rectangle exceeds image: y + h (' + inttostr(y) + ' + ' + inttostr(h) + ') > Height (' + inttostr(Height) + ')', true);end;procedure ReadRect(var rect: TSDL_Rect; var s: ShortString);var i: LongInt;beginwith rect do begin i:= Pos(',', s); x:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); y:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); w:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); if i = 0 then i:= Succ(Length(S)); h:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); end;end;procedure ReadOverlay(var overlay: TThemeObjectOverlay; var s: ShortString);var i: LongInt;beginwith overlay do begin i:= Pos(',', s); Position.X:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); Position.Y:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); if i = 0 then i:= Succ(Length(S)); Surf:= LoadDataImage(ptCurrTheme, Trim(Copy(s, 1, Pred(i))), ifColorKey or ifIgnoreCaps or ifCritical); Width:= Surf^.w; Height:= Surf^.h; Delete(s, 1, i); ChecksumLandObjectImage(Surf); end;end;procedure ReadThemeInfo(var ThemeObjects: TThemeObjects; var SprayObjects: TSprayObjects);var s, key, nameRef: shortstring; f: PFSFile; i: LongInt; ii, t: Longword; c2: TSDL_Color;beginAddProgress;// Set default water greyscale valuesif GrayScale then begin for i:= Low(SDWaterColorArray) to High(SDWaterColorArray) do begin t:= round(SDWaterColorArray[i].r * RGB_LUMINANCE_RED + SDWaterColorArray[i].g * RGB_LUMINANCE_GREEN + SDWaterColorArray[i].b * RGB_LUMINANCE_BLUE); if t > 255 then t:= 255; SDWaterColorArray[i].r:= t; SDWaterColorArray[i].g:= t; SDWaterColorArray[i].b:= t end; for i:= Low(WaterColorArray) to High(WaterColorArray) do begin t:= round(WaterColorArray[i].r * RGB_LUMINANCE_RED + WaterColorArray[i].g * RGB_LUMINANCE_GREEN + WaterColorArray[i].b * RGB_LUMINANCE_BLUE); if t > 255 then t:= 255; WaterColorArray[i].r:= t; WaterColorArray[i].g:= t; WaterColorArray[i].b:= t end end;s:= cPathz[ptCurrTheme] + '/' + cThemeCFGFilename;WriteLnToConsole('Reading objects info...');f:= pfsOpenRead(s);if (f = nil) then OutError('Error loading theme. File could not be opened: ' + s, true);ThemeObjects.Count:= 0;SprayObjects.Count:= 0;while (not pfsEOF(f)) and allOK do begin pfsReadLn(f, s); if Length(s) = 0 then continue; if s[1] = ';' then continue; i:= Pos('=', s); key:= Trim(Copy(s, 1, Pred(i))); Delete(s, 1, i); if key = 'sky' then begin i:= Pos(',', s); SkyColor.r:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); SkyColor.g:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); SkyColor.b:= StrToInt(Trim(s)); if GrayScale then begin t:= round(SkyColor.r * RGB_LUMINANCE_RED + SkyColor.g * RGB_LUMINANCE_GREEN + SkyColor.b * RGB_LUMINANCE_BLUE); if t > 255 then t:= 255; SkyColor.r:= t; SkyColor.g:= t; SkyColor.b:= t end; SetSkyColor(SkyColor.r / 255, SkyColor.g / 255, SkyColor.b / 255); SDSkyColor.r:= SkyColor.r; SDSkyColor.g:= SkyColor.g; SDSkyColor.b:= SkyColor.b; end else if key = 'sd-tint' then begin i:= Pos(',', s); SDTint.r:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); SDTint.g:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); SDTint.b:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); SDTint.a:= StrToInt(Trim(s)); if GrayScale then begin t:= round(SDTint.r * RGB_LUMINANCE_RED + SDTint.g * RGB_LUMINANCE_GREEN + SDTint.b * RGB_LUMINANCE_BLUE); if t > 255 then t:= 255; SDTint.r:= t; SDTint.g:= t; SDTint.b:= t end; end else if key = 'border' then begin i:= Pos(',', s); c2.r:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); c2.g:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); c2.b:= StrToInt(Trim(s)); if GrayScale then begin t:= round(SkyColor.r * RGB_LUMINANCE_RED + SkyColor.g * RGB_LUMINANCE_GREEN + SkyColor.b * RGB_LUMINANCE_BLUE); if t > 255 then t:= 255; c2.r:= t; c2.g:= t; c2.b:= t end; ExplosionBorderColorR:= c2.r; ExplosionBorderColorG:= c2.g; ExplosionBorderColorB:= c2.b; ExplosionBorderColorNoA:= (c2.r shl RShift) or (c2.g shl GShift) or (c2.b shl BShift); ExplosionBorderColor:= ExplosionBorderColorNoA or AMask; end else if key = 'water-top' then begin i:= Pos(',', s); WaterColorArray[1].r:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); WaterColorArray[1].g:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); WaterColorArray[1].b:= StrToInt(Trim(s)); WaterColorArray[1].a := 255; if GrayScale then begin t:= round(WaterColorArray[0].r * RGB_LUMINANCE_RED + WaterColorArray[0].g * RGB_LUMINANCE_GREEN + WaterColorArray[0].b * RGB_LUMINANCE_BLUE); if t > 255 then t:= 255; WaterColorArray[1].r:= t; WaterColorArray[1].g:= t; WaterColorArray[1].b:= t end; WaterColorArray[3]:= WaterColorArray[1]; WaterColorArray[5]:= WaterColorArray[1]; WaterColorArray[7]:= WaterColorArray[1]; end else if key = 'water-bottom' then begin i:= Pos(',', s); WaterColorArray[0].r:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); WaterColorArray[0].g:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); WaterColorArray[0].b:= StrToInt(Trim(s)); WaterColorArray[0].a := 255; if GrayScale then begin t:= round(WaterColorArray[2].r * RGB_LUMINANCE_RED + WaterColorArray[2].g * RGB_LUMINANCE_GREEN + WaterColorArray[2].b * RGB_LUMINANCE_BLUE); if t > 255 then t:= 255; WaterColorArray[0].r:= t; WaterColorArray[0].g:= t; WaterColorArray[0].b:= t end; WaterColorArray[2]:= WaterColorArray[0]; WaterColorArray[4]:= WaterColorArray[0]; WaterColorArray[6]:= WaterColorArray[0]; end else if key = 'water-opacity' then begin WaterOpacity:= StrToInt(Trim(s)); SDWaterOpacity:= WaterOpacity end else if key = 'music' then MusicFN:= Trim(s) else if key = 'sd-music' then SDMusicFN:= Trim(s) else if key = 'fallback-music' then FallbackMusicFN:= Trim(s) else if key = 'fallback-sd-music' then FallbackSDMusicFN:= Trim(s) else if key = 'clouds' then begin cCloudsNumber:= Word(StrToInt(Trim(s))) * cScreenSpace div 4096; cSDCloudsNumber:= cCloudsNumber end else if key = 'object' then begin inc(ThemeObjects.Count); with ThemeObjects.objs[Pred(ThemeObjects.Count)] do begin i:= Pos(',', s); Name:= Trim(Copy(s, 1, Pred(i))); Surf:= LoadDataImage(ptCurrTheme, Name, ifColorKey or ifIgnoreCaps or ifCritical); Width:= Surf^.w; Height:= Surf^.h; Mask:= LoadDataImage(ptCurrTheme, Trim(Copy(s, 1, Pred(i)))+'_mask', ifColorKey or ifIgnoreCaps); Delete(s, 1, i); i:= Pos(',', s); Maxcnt:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); if (Maxcnt < 1) or (Maxcnt > MAXTHEMEOBJECTS) then OutError('Broken theme. Object''s max. count should be between 1 and '+ inttostr(MAXTHEMEOBJECTS) +' (it was '+ inttostr(Maxcnt) +').', true); ChecksumLandObjectImage(Surf); ChecksumLandObjectImage(Mask); inrectcnt := 0; for ii := 1 to Length(S) do if S[ii] = ',' then inc(inrectcnt); if inrectcnt mod 2 = 0 then inrectcnt := 1 else begin i:= Pos(',', s); inrectcnt:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); end; if inrectcnt > MAXOBJECTRECTS then OutError('Broken theme. Object''s inland rectangle count should be no more than '+ inttostr(MAXOBJECTRECTS) +' (it was '+ inttostr(inrectcnt) +').', true); for ii:= 0 to Pred(inrectcnt) do ReadRect(inland[ii], s); i:= Pos(',', s); outrectcnt:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); if outrectcnt > MAXOBJECTRECTS then OutError('Broken theme. Object''s outland rectangle count should be no more than '+ inttostr(MAXOBJECTRECTS) +' (it was '+ inttostr(outrectcnt) +').', true); for ii:= 0 to Pred(outrectcnt) do ReadRect(outland[ii], s); end; end else if key = 'anchors' then begin i:= Pos(',', s); nameRef:= Trim(Copy(s, 1, Pred(i))); for ii:= 0 to Pred(ThemeObjects.Count) do if ThemeObjects.objs[ii].Name = nameRef then with ThemeObjects.objs[ii] do begin if anchorcnt <> 0 then OutError('Broken theme. Duplicate anchors declaration for object ' + nameRef, true); Delete(s, 1, i); i:= Pos(',', s); anchorcnt:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); if anchorcnt > MAXOBJECTRECTS then OutError('Broken theme. Object''s anchor rectangle count should be no more than '+ inttostr(MAXOBJECTRECTS) +' (it was '+ inttostr(anchorcnt) +').', true); for t:= 0 to Pred(anchorcnt) do ReadRect(anchors[t], s); break end; end else if key = 'overlays' then begin i:= Pos(',', s); nameRef:= Trim(Copy(s, 1, Pred(i))); for ii:= 0 to Pred(ThemeObjects.Count) do if ThemeObjects.objs[ii].Name = nameRef then with ThemeObjects.objs[ii] do begin if overlaycnt <> 0 then OutError('Broken theme. Duplicate overlays declaration for object ' + nameRef, true); Delete(s, 1, i); i:= Pos(',', s); overlaycnt:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); if overlaycnt > MAXOBJECTRECTS then OutError('Broken theme. Object''s overlay count should be no more than '+ inttostr(MAXOBJECTRECTS) +' (it was '+ inttostr(overlaycnt) +').', true); for t:= 0 to Pred(overlaycnt) do ReadOverlay(overlays[t], s); break end; end else if key = 'spray' then begin inc(SprayObjects.Count); with SprayObjects.objs[Pred(SprayObjects.Count)] do begin i:= Pos(',', s); Surf:= LoadDataImage(ptCurrTheme, Trim(Copy(s, 1, Pred(i))), ifAlpha or ifIgnoreCaps); Width:= Surf^.w; Height:= Surf^.h; Delete(s, 1, i); Maxcnt:= StrToInt(Trim(s)); end; end else if key = 'water-animation' then begin i:= Pos(',', s); watFrames:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); watFrameTicks:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); watMove:= StrToInt(Trim(s)); end else if key = 'sd-water-animation' then begin i:= Pos(',', s); watSDFrames:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); watSDFrameTicks:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); watSDMove:= StrToInt(Trim(s)); end else if key = 'flakes' then begin i:= Pos(',', s); vobCount:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); if vobCount > 0 then begin i:= Pos(',', s); vobFramesCount:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); vobFrameTicks:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); vobVelocity:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); vobFallSpeed:= StrToInt(Trim(s)); end; end else if key = 'flatten-flakes' then cFlattenFlakes:= true else if key = 'flatten-clouds' then cFlattenClouds:= true else if key = 'ice' then cIce:= true else if key = 'snow' then cSnow:= true else if key = 'rope-step' then cRopeNodeStep:= max(1, StrToInt(s)) else if key = 'rope-layers' then cRopeLayers:= max(1, min(MAXROPELAYERS, StrToInt(s))) else if key = 'sd-water-top' then begin i:= Pos(',', s); SDWaterColorArray[1].r:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); SDWaterColorArray[1].g:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); SDWaterColorArray[1].b:= StrToInt(Trim(s)); SDWaterColorArray[1].a := 255; if GrayScale then begin t:= round(SDWaterColorArray[0].r * RGB_LUMINANCE_RED + SDWaterColorArray[0].g * RGB_LUMINANCE_GREEN + SDWaterColorArray[0].b * RGB_LUMINANCE_BLUE); if t > 255 then t:= 255; SDWaterColorArray[1].r:= t; SDWaterColorArray[1].g:= t; SDWaterColorArray[1].b:= t end; SDWaterColorArray[3]:= SDWaterColorArray[1]; SDWaterColorArray[5]:= SDWaterColorArray[1]; SDWaterColorArray[7]:= SDWaterColorArray[1]; end else if key = 'sd-water-bottom' then begin i:= Pos(',', s); SDWaterColorArray[0].r:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); SDWaterColorArray[0].g:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); SDWaterColorArray[0].b:= StrToInt(Trim(s)); SDWaterColorArray[0].a := 255; if GrayScale then begin t:= round(SDWaterColorArray[2].r * RGB_LUMINANCE_RED + SDWaterColorArray[2].g * RGB_LUMINANCE_GREEN + SDWaterColorArray[2].b * RGB_LUMINANCE_BLUE); if t > 255 then t:= 255; SDWaterColorArray[0].r:= t; SDWaterColorArray[0].g:= t; SDWaterColorArray[0].b:= t end; SDWaterColorArray[2]:= SDWaterColorArray[0]; SDWaterColorArray[4]:= SDWaterColorArray[0]; SDWaterColorArray[6]:= SDWaterColorArray[0]; end else if key = 'sd-water-opacity' then SDWaterOpacity:= StrToInt(Trim(s)) else if key = 'sd-clouds' then cSDCloudsNumber:= Word(StrToInt(Trim(s))) * cScreenSpace div 4096 else if key = 'sd-flakes' then begin i:= Pos(',', s); vobSDCount:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); if vobSDCount > 0 then begin i:= Pos(',', s); vobSDFramesCount:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); vobSDFrameTicks:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); vobSDVelocity:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); vobSDFallSpeed:= StrToInt(Trim(s)); end; end else if key = 'rq-sky' then begin if ((cReducedQuality and rqNoBackground) <> 0) then begin i:= Pos(',', s); RQSkyColor.r:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); i:= Pos(',', s); RQSkyColor.g:= StrToInt(Trim(Copy(s, 1, Pred(i)))); Delete(s, 1, i); RQSkyColor.b:= StrToInt(Trim(s)); if GrayScale then begin t:= round(RQSkyColor.r * RGB_LUMINANCE_RED + RQSkyColor.g * RGB_LUMINANCE_GREEN + RQSkyColor.b * RGB_LUMINANCE_BLUE); if t > 255 then t:= 255; RQSkyColor.r:= t; RQSkyColor.g:= t; RQSkyColor.b:= t end; SetSkyColor(RQSkyColor.r / 255, RQSkyColor.g / 255, RQSkyColor.b / 255); SDSkyColor.r:= RQSkyColor.r; SDSkyColor.g:= RQSkyColor.g; SDSkyColor.b:= RQSkyColor.b; end end end;pfsClose(f);AddProgress;end;procedure AddThemeObjects(var ThemeObjects: TThemeObjects);var i, ii, t: LongInt; b: boolean;begin if ThemeObjects.Count = 0 then exit; WriteLnToConsole('Adding theme objects...'); for i:=0 to Pred(ThemeObjects.Count) do ThemeObjects.objs[i].Maxcnt := max(1, (ThemeObjects.objs[i].Maxcnt * MaxHedgehogs) div 18); // Maxcnt is proportional to map size, but allow objects to span even if we're on a tiny map repeat t := getrandom(ThemeObjects.Count); b := false; for i:= 0 to Pred(ThemeObjects.Count) do begin ii := (i+t) mod ThemeObjects.Count; if ThemeObjects.objs[ii].Maxcnt <> 0 then b := b or TryPut(ThemeObjects.objs[ii]) end; until not b;end;procedure AddSprayObjects(Surface: PSDL_Surface; var SprayObjects: TSprayObjects);var i, ii, t: LongInt; b: boolean;begin if SprayObjects.Count = 0 then exit; WriteLnToConsole('Adding spray objects...'); for i:= 0 to Pred(SprayObjects.Count) do SprayObjects.objs[i].Maxcnt := max(1, (SprayObjects.objs[i].Maxcnt * MaxHedgehogs) div 18); // Maxcnt is proportional to map size, but allow objects to span even if we're on a tiny map repeat t := getrandom(SprayObjects.Count); b := false; for i:= 0 to Pred(SprayObjects.Count) do begin ii := (i+t) mod SprayObjects.Count; if SprayObjects.objs[ii].Maxcnt <> 0 then b := b or TryPut2(SprayObjects.objs[ii], Surface) end; until not b;end;procedure AddObjects();var girSurf: PSDL_Surface; i, g: Longword;beginInitRects;if hasGirders then begin g:= max(playWidth div 8, 256); i:= leftX + g; girSurf:= nil; repeat AddGirder(i, girSurf); i:=i + g; until (i > rightX - g); // free girder surface if girSurf <> nil then begin SDL_FreeSurface(girSurf); girSurf:= nil; end; end;if (GameFlags and gfDisableLandObjects) = 0 then AddThemeObjects(ThemeObjects);AddProgress();FreeRects();end;procedure AddOnLandObjects(Surface: PSDL_Surface);beginInitRects;AddSprayObjects(Surface, SprayObjects);FreeRectsend;procedure LoadThemeConfig;begin ReadThemeInfo(ThemeObjects, SprayObjects)end;procedure FreeLandObjects();var i, ii: Longword;begin for i:= 0 to Pred(MAXTHEMEOBJECTS) do begin if ThemeObjects.objs[i].Surf <> nil then SDL_FreeSurface(ThemeObjects.objs[i].Surf); if SprayObjects.objs[i].Surf <> nil then SDL_FreeSurface(SprayObjects.objs[i].Surf); ThemeObjects.objs[i].Surf:= nil; SprayObjects.objs[i].Surf:= nil; ii:= 0; while ii < ThemeObjects.objs[i].overlaycnt do begin if ThemeObjects.objs[i].overlays[ii].Surf <> nil then begin SDL_FreeSurface(ThemeObjects.objs[i].overlays[ii].Surf); ThemeObjects.objs[i].overlays[ii].Surf:= nil; end; inc(ii); end; end;end;end.