+
−(*
+
− * Hedgewars, a worms-like game
+
− * Copyright (c) 2005, 2006 Andrey Korotaev <unC0Rr@gmail.com>
+
− *
+
− * Distributed under the terms of the BSD-modified licence:
+
− *
+
− * Permission is hereby granted, free of charge, to any person obtaining a copy
+
− * of this software and associated documentation files (the "Software"), to deal
+
− * with the Software without restriction, including without limitation the
+
− * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+
− * sell copies of the Software, and to permit persons to whom the Software is
+
− * furnished to do so, subject to the following conditions:
+
− *
+
− * 1. Redistributions of source code must retain the above copyright notice,
+
− *    this list of conditions and the following disclaimer.
+
− * 2. Redistributions in binary form must reproduce the above copyright notice,
+
− *    this list of conditions and the following disclaimer in the documentation
+
− *    and/or other materials provided with the distribution.
+
− * 3. The name of the author may not be used to endorse or promote products
+
− *    derived from this software without specific prior written permission.
+
− *
+
− * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+
− * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+
− * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+
− * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+
− * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+
− * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+
− * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+
− * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+
− * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+
− * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
− *)
+
−
+
−unit uLand;
+
−interface
+
−uses SDLh, uGears;
+
−{$include options.inc}
+
−type TLandArray = packed array[0..1023, 0..2047] of LongWord;
+
−
+
−var  Land: TLandArray;
+
−     LandSurface: PSDL_Surface;
+
−
+
−procedure GenMap;
+
−
+
−implementation
+
−uses uConsole, uStore, uMisc, uConsts, uRandom, uTeams, uIO, uLandTemplates, uLandObjects;
+
−
+
−type TPixAr = record
+
−              Count: Longword;
+
−              ar: array[0..Pred(cMaxEdgePoints)] of TPoint;
+
−              end;
+
−
+
−procedure LogLandDigest;
+
−//var ctx: TSHA1Context;
+
−//    dig: TSHA1Digest;
+
−begin
+
−//SHA1Init(ctx);
+
−//SHA1Update(ctx, @Land, sizeof(Land));
+
−//dig:= SHA1Final(ctx);
+
−{$IFDEF DEBUGFILE}
+
−//AddFileLog('SHA1 Land digest: {'+inttostr(dig.LongWords[0])+':'
+
−//           +inttostr(dig.LongWords[1])+':'+inttostr(dig.LongWords[2])+':'
+
−//           +inttostr(dig.LongWords[3])+':'+inttostr(dig.LongWords[4])+'}');
+
−{$ENDIF}
+
−end;
+
−
+
−procedure DrawBezierEdge(var pa: TPixAr; Color: Longword);
+
−var x, y, i: integer;
+
−    tx, ty, vx, vy, vlen, t: Double;
+
−    r1, r2, r3, r4: Double;
+
−    x1, y1, x2, y2, cx1, cy1, cx2, cy2, tsq, tcb: Double;
+
−begin
+
−vx:= 0;
+
−vy:= 0;
+
−with pa do
+
−for i:= 0 to Count-2 do
+
−    begin
+
−    vlen:= sqrt(sqr(ar[i + 1].x - ar[i    ].X) + sqr(ar[i + 1].y - ar[i    ].y));
+
−    t:=    sqrt(sqr(ar[i + 1].x - ar[i + 2].X) + sqr(ar[i + 1].y - ar[i + 2].y));
+
−    if t<vlen then vlen:= t;
+
−    vlen:= vlen/3;
+
−    tx:= ar[i+2].X - ar[i].X;
+
−    ty:= ar[i+2].y - ar[i].y;
+
−    t:= sqrt(sqr(tx)+sqr(ty));
+
−    if t = 0 then
+
−       begin
+
−       tx:= -tx * 100000;
+
−       ty:= -ty * 100000;
+
−       end else
+
−       begin
+
−       tx:= -tx/t;
+
−       ty:= -ty/t;
+
−       end;
+
−    t:= 1.0*vlen;
+
−    tx:= tx*t;
+
−    ty:= ty*t;
+
−    x1:= ar[i].x;
+
−    y1:= ar[i].y;
+
−    x2:= ar[i + 1].x;
+
−    y2:= ar[i + 1].y;
+
−    cx1:= ar[i].X   + trunc(vx);
+
−    cy1:= ar[i].y   + trunc(vy);
+
−    cx2:= ar[i+1].X + trunc(tx);
+
−    cy2:= ar[i+1].y + trunc(ty);
+
−    vx:= -tx;
+
−    vy:= -ty;
+
−    t:= 0;
+
−    while t <= 1.0 do
+
−          begin
+
−          tsq:= sqr(t);
+
−          tcb:= tsq * t;
+
−          r1:= (1 - 3*t + 3*tsq -   tcb) * x1;
+
−          r2:= (    3*t - 6*tsq + 3*tcb) * cx1;
+
−          r3:= (          3*tsq - 3*tcb) * cx2;
+
−          r4:= (                    tcb) * x2;
+
−          X:= round(r1 + r2 + r3 + r4);
+
−          r1:= (1 - 3*t + 3*tsq -   tcb) * y1;
+
−          r2:= (    3*t - 6*tsq + 3*tcb) * cy1;
+
−          r3:= (          3*tsq - 3*tcb) * cy2;
+
−          r4:= (                    tcb) * y2;
+
−          Y:= round(r1 + r2 + r3 + r4);
+
−          t:= t + 0.001;
+
−          if ((x and $FFFFF800) = 0) and ((y and $FFFFFC00) = 0) then
+
−                Land[y, x]:= Color;
+
−          end;
+
−    end;
+
−end;
+
−
+
−procedure BezierizeEdge(var pa: TPixAr; Delta: Double);
+
−var x, y, i: integer;
+
−    tx, ty, vx, vy, vlen, t: Double;
+
−    r1, r2, r3, r4: Double;
+
−    x1, y1, x2, y2, cx1, cy1, cx2, cy2, tsq, tcb: Double;
+
−    opa: TPixAr;
+
−begin
+
−opa:= pa;
+
−pa.Count:= 0;
+
−vx:= 0;
+
−vy:= 0;
+
−with opa do
+
−for i:= 0 to Count-2 do
+
−    begin
+
−    vlen:= sqrt(sqr(ar[i + 1].x - ar[i    ].X) + sqr(ar[i + 1].y - ar[i    ].y));
+
−    t:=    sqrt(sqr(ar[i + 1].x - ar[i + 2].X) + sqr(ar[i + 1].y - ar[i + 2].y));
+
−    if t<vlen then vlen:= t;
+
−    vlen:= vlen/3;
+
−    tx:= ar[i+2].X - ar[i].X;
+
−    ty:= ar[i+2].y - ar[i].y;
+
−    t:= sqrt(sqr(tx)+sqr(ty));
+
−    if t = 0 then
+
−       begin
+
−       tx:= -tx * 100000;
+
−       ty:= -ty * 100000;
+
−       end else
+
−       begin
+
−       tx:= -tx/t;
+
−       ty:= -ty/t;
+
−       end;
+
−    t:= 1.0*vlen;
+
−    tx:= tx*t;
+
−    ty:= ty*t;
+
−    x1:= ar[i].x;
+
−    y1:= ar[i].y;
+
−    x2:= ar[i + 1].x;
+
−    y2:= ar[i + 1].y;
+
−    cx1:= ar[i].X   + trunc(vx);
+
−    cy1:= ar[i].y   + trunc(vy);
+
−    cx2:= ar[i+1].X + trunc(tx);
+
−    cy2:= ar[i+1].y + trunc(ty);
+
−    vx:= -tx;
+
−    vy:= -ty;
+
−    t:= 0;
+
−    while t <= 1.0 do
+
−          begin
+
−          tsq:= sqr(t);
+
−          tcb:= tsq * t;
+
−          r1:= (1 - 3*t + 3*tsq -   tcb) * x1;
+
−          r2:= (    3*t - 6*tsq + 3*tcb) * cx1;
+
−          r3:= (          3*tsq - 3*tcb) * cx2;
+
−          r4:= (                    tcb) * x2;
+
−          X:= round(r1 + r2 + r3 + r4);
+
−          r1:= (1 - 3*t + 3*tsq -   tcb) * y1;
+
−          r2:= (    3*t - 6*tsq + 3*tcb) * cy1;
+
−          r3:= (          3*tsq - 3*tcb) * cy2;
+
−          r4:= (                    tcb) * y2;
+
−          Y:= round(r1 + r2 + r3 + r4);
+
−          t:= t + Delta;
+
−          pa.ar[pa.Count].x:= X;
+
−          pa.ar[pa.Count].y:= Y;
+
−          inc(pa.Count);
+
−          TryDo(pa.Count < cMaxEdgePoints, 'Edge points overflow', true)
+
−          end;
+
−    end;
+
−end;
+
−
+
−procedure FillLand(x, y: integer);
+
−var Stack: record
+
−           Count: Longword;
+
−           points: array[0..8192] of record
+
−                                     xl, xr, y, dir: integer;
+
−                                     end
+
−           end;
+
−
+
−    procedure Push(_xl, _xr, _y, _dir: integer);
+
−    begin
+
−    TryDo(Stack.Count <= 8192, 'FillLand: stack overflow', true);
+
−    _y:= _y + _dir;
+
−    if (_y < 0) or (_y > 1023) then exit;
+
−    with Stack.points[Stack.Count] do
+
−         begin
+
−         xl:= _xl;
+
−         xr:= _xr;
+
−         y:= _y;
+
−         dir:= _dir
+
−         end;
+
−    inc(Stack.Count)
+
−    end;
+
−
+
−    procedure Pop(out _xl, _xr, _y, _dir: integer);
+
−    begin
+
−    dec(Stack.Count);
+
−    with Stack.points[Stack.Count] do
+
−         begin
+
−         _xl:= xl;
+
−         _xr:= xr;
+
−         _y:= y;
+
−         _dir:= dir
+
−         end
+
−    end;
+
−
+
−var xl, xr, dir: integer;
+
−begin     
+
−Stack.Count:= 0;
+
−xl:= x - 1;
+
−xr:= x;
+
−Push(xl, xr, y, -1);
+
−Push(xl, xr, y,  1);
+
−while Stack.Count > 0 do
+
−      begin
+
−      Pop(xl, xr, y, dir);
+
−      while (xl > 0) and (Land[y, xl] <> 0) do dec(xl);
+
−      while (xr < 2047) and (Land[y, xr] <> 0) do inc(xr);
+
−      while (xl < xr) do
+
−            begin
+
−            while (xl <= xr) and (Land[y, xl] = 0) do inc(xl);
+
−            x:= xl;
+
−            while (xl <= xr) and (Land[y, xl] <> 0) do
+
−                  begin
+
−                  Land[y, xl]:= 0;
+
−                  inc(xl)
+
−                  end;
+
−            if x < xl then
+
−               begin
+
−               Push(x, Pred(xl), y, dir);
+
−               Push(x, Pred(xl), y,-dir);
+
−               end;
+
−            end;
+
−      end;
+
−end;
+
−
+
−procedure ColorizeLand(Surface: PSDL_Surface);
+
−var tmpsurf: PSDL_Surface;
+
−    r: TSDL_Rect;
+
−begin
+
−tmpsurf:= LoadImage(Pathz[ptCurrTheme] + '/LandTex', false);
+
−r.y:= 0;
+
−while r.y < 1024 do
+
−      begin
+
−      r.x:= 0;
+
−      while r.x < 2048 do
+
−            begin
+
−            SDL_UpperBlit(tmpsurf, nil, Surface, @r);
+
−            inc(r.x, tmpsurf.w)
+
−            end;
+
−      inc(r.y, tmpsurf.h)
+
−      end;
+
−SDL_FreeSurface(tmpsurf);
+
−
+
−tmpsurf:= SDL_CreateRGBSurfaceFrom(@Land, 2048, 1024, 32, 2048*4, $FF0000, $FF00, $FF, 0);
+
−SDLTry(tmpsurf <> nil, true);
+
−SDL_SetColorKey(tmpsurf, SDL_SRCCOLORKEY, SDL_MapRGB(tmpsurf.format, $FF, $FF, $FF));
+
−SDL_UpperBlit(tmpsurf, nil, Surface, nil);
+
−SDL_FreeSurface(tmpsurf)
+
−end;
+
−
+
−procedure AddBorder(Surface: PSDL_Surface);
+
−var tmpsurf: PSDL_Surface;
+
−    r, rr: TSDL_Rect;
+
−    x, yd, yu: integer;
+
−begin
+
−tmpsurf:= LoadImage(Pathz[ptCurrTheme] + '/Border', false);
+
−for x:= 0 to 2047 do
+
−    begin
+
−    yd:= 1023;
+
−    repeat
+
−      while (yd > 0   ) and (Land[yd, x] =  0) do dec(yd);
+
−      if (yd < 0) then yd:= 0;
+
−      while (yd < 1024) and (Land[yd, x] <> 0) do inc(yd);
+
−      dec(yd);
+
−      yu:= yd;
+
−      while (yu > 0  ) and (Land[yu, x] <> 0) do dec(yu);
+
−      while (yu < yd ) and (Land[yu, x] =  0) do inc(yu);
+
−      if (yd < 1023) and ((yd - yu) >= 16) then
+
−         begin
+
−         rr.x:= x;
+
−         rr.y:= yd - 15;
+
−         r.x:= x mod tmpsurf.w;
+
−         r.y:= 16;
+
−         r.w:= 1;
+
−         r.h:= 16;
+
−         SDL_UpperBlit(tmpsurf, @r, Surface, @rr);
+
−         end;
+
−      if (yu > 0) then
+
−         begin
+
−         rr.x:= x;
+
−         rr.y:= yu;
+
−         r.x:= x mod tmpsurf.w;
+
−         r.y:= 0;
+
−         r.w:= 1;
+
−         r.h:= min(16, yd - yu + 1);
+
−         SDL_UpperBlit(tmpsurf, @r, Surface, @rr);
+
−         end;
+
−      yd:= yu - 1;
+
−    until yd < 0;
+
−    end;
+
−end;
+
−
+
−procedure PointWave(var Template: TEdgeTemplate; var pa: TPixAr);
+
−const MAXPASSES = 32;
+
−var ar: array[0..MAXPASSES, 0..5] of Double;
+
−    i, k: integer;
+
−    rx, ry, oy: Double;
+
−    PassesNum: Longword;
+
−begin
+
−with Template do
+
−     begin
+
−     PassesNum:= PassMin + getrandom(PassDelta);
+
−     TryDo(PassesNum < MAXPASSES, 'Passes number too big', true);
+
−     ar[0, 1]:= WaveFreqMin;
+
−     ar[0, 4]:= WaveFreqMin;
+
−     for i:= 1 to PassesNum do  // initialize random parameters
+
−         begin
+
−         ar[i, 0]:= WaveAmplMin + getrandom * WaveAmplDelta;
+
−         ar[i, 1]:= ar[i - 1, 1] + (getrandom * 0.7 + 0.3) * WaveFreqDelta;
+
−         ar[i, 2]:= getrandom * pi * 2;
+
−         ar[i, 3]:= WaveAmplMin + getrandom * WaveAmplDelta;
+
−         ar[i, 4]:= ar[i - 1, 4] + (getrandom * 0.7 + 0.3) * WaveFreqDelta;
+
−         ar[i, 5]:= getrandom * pi * 2;
+
−         {$IFDEF DEBUGFILE}
+
−         AddFileLog('Wave params �' + inttostr(i) + ':');
+
−         AddFileLog('X: ampl = ' + floattostr(ar[i, 0]) + '; freq = ' + floattostr(ar[i, 1]) + '; shift = ' + floattostr(ar[i, 2]));
+
−         AddFileLog('Y: ampl = ' + floattostr(ar[i, 3]) + '; freq = ' + floattostr(ar[i, 4]) + '; shift = ' + floattostr(ar[i, 5]));
+
−         {$ENDIF}
+
−         end;
+
−     end;
+
−
+
−for k:= 0 to Pred(pa.Count) do  // apply transformation
+
−    begin
+
−    rx:= pa.ar[k].x;
+
−    ry:= pa.ar[k].y;
+
−    for i:= 1 to PassesNum do
+
−        begin
+
−        oy:= ry;
+
−        ry:= ry + ar[i, 0] * sin(ar[i, 1] * rx + ar[i, 2]);
+
−        rx:= rx + ar[i, 3] * sin(ar[i, 4] * oy + ar[i, 5]);
+
−        end;
+
−    pa.ar[k].x:= round(rx);
+
−    pa.ar[k].y:= round(ry);
+
−    end;
+
−end;
+
−
+
−procedure NormalizePoints(var pa: TPixAr);
+
−const brd = 32;
+
−var isUP: boolean;  // HACK: transform for Y should be exact as one for X  
+
−    Left, Right, Top, Bottom,
+
−    OWidth, Width, OHeight, Height,
+
−    OLeft: integer;
+
−    i: integer;
+
−begin
+
−TryDo((pa.ar[0].y < 0) or (pa.ar[0].y > 1023), 'Bad land generated', true);
+
−isUP:= pa.ar[0].y > 0;
+
−Left:= 1023;
+
−Right:= Left;
+
−Top:= pa.ar[0].y;
+
−Bottom:= Top;
+
−
+
−for i:= 1 to Pred(pa.Count) do
+
−    with pa.ar[i] do
+
−         begin
+
−         if (y and $FFFFFC00) = 0 then
+
−            if x < Left then Left:= x else
+
−            if x > Right then Right:= x;
+
−         if y < Top then Top:= y else
+
−         if y > Bottom then Bottom:= y
+
−         end;
+
−
+
−if (Left < brd) or (Right > 2047 - brd) then
+
−   begin
+
−   OLeft:= Left;
+
−   OWidth:= Right - OLeft;
+
−   if Left < brd then Left:= brd;
+
−   if Right > 2047 - brd then Right:= 2047 - brd;
+
−   Width:= Right - Left;
+
−   for i:= 0 to Pred(pa.Count) do
+
−       with pa.ar[i] do
+
−            x:= round((x - OLeft) * Width div OWidth + Left)
+
−   end;
+
−
+
−if isUp then // FIXME: remove hack
+
−   if Top < brd then
+
−      begin
+
−      OHeight:= 1023 - Top;
+
−      Height:= 1023 - brd;
+
−      for i:= 0 to Pred(pa.Count) do
+
−          with pa.ar[i] do
+
−               y:= round((y - 1023) * Height div OHeight + 1023)
+
−   end;
+
−end;
+
−
+
−procedure GenBlank(var Template: TEdgeTemplate);
+
−var pa: TPixAr;
+
−    i: Longword;
+
−begin
+
−with Template do
+
−     begin
+
−     if canMirror then
+
−        if getrandom(16) < 8 then
+
−           begin
+
−           for i:= 0 to pred(BasePointsCount) do
+
−               BasePoints^[i].x:= 2047 - BasePoints^[i].x;
+
−           for i:= 0 to pred(FillPointsCount) do
+
−               FillPoints^[i].x:= 2047 - FillPoints^[i].x;
+
−           end;
+
−
+
−     if canFlip then
+
−        if getrandom(16) < 8 then
+
−           begin
+
−           for i:= 0 to pred(BasePointsCount) do
+
−               BasePoints^[i].y:= 1023 - BasePoints^[i].y;
+
−           for i:= 0 to pred(FillPointsCount) do
+
−               FillPoints^[i].y:= 1023 - FillPoints^[i].y;
+
−           end;
+
−
+
−     pa.Count:= BasePointsCount;
+
−     for i:= 0 to pred(pa.Count) do
+
−         pa.ar[i]:= BasePoints^[i];
+
−
+
−     for i:= 1 to BezPassCnt do
+
−         BezierizeEdge(pa, 0.33333334);
+
−
+
−     PointWave(Template, pa);
+
−     NormalizePoints(pa);
+
−     DrawBezierEdge(pa, 0);
+
−
+
−     for i:= 0 to pred(FillPointsCount) do
+
−         with FillPoints^[i] do
+
−              FillLand(x, y);
+
−
+
−     DrawBezierEdge(pa, COLOR_LAND);
+
−     end;
+
−end;
+
−
+
−procedure GenLandSurface;
+
−var tmpsurf: PSDL_Surface;
+
−    y, x: Longword;
+
−begin
+
−WriteLnToConsole('Generating land...');
+
−for y:= 0 to 1023 do
+
−    for x:= 0 to 2047 do
+
−        Land[y, x]:= COLOR_LAND;
+
−GenBlank(EdgeTemplates[getrandom(Succ(High(EdgeTemplates)))]);
+
−
+
−AddProgress;
+
−with PixelFormat^ do
+
−     tmpsurf:= SDL_CreateRGBSurface(SDL_HWSURFACE, 2048, 1024, BitsPerPixel, RMask, GMask, BMask, 0);
+
−TryDo(tmpsurf <> nil, 'Error creating pre-land surface', true);
+
−ColorizeLand(tmpsurf);
+
−AddProgress;
+
−AddBorder(tmpsurf);
+
−with PixelFormat^ do
+
−     LandSurface:= SDL_CreateRGBSurface(SDL_HWSURFACE, 2048, 1024, BitsPerPixel, RMask, GMask, BMask, 0);
+
−TryDo(LandSurface <> nil, 'Error creating land surface', true);
+
−SDL_FillRect(LandSurface, nil, 0);
+
−AddProgress;
+
−
+
−SDL_SetColorKey(tmpsurf, SDL_SRCCOLORKEY, 0);
+
−AddObjects(tmpsurf, LandSurface);
+
−SDL_FreeSurface(tmpsurf);
+
−
+
−AddProgress
+
−end;
+
−
+
−procedure MakeFortsMap;
+
−var p: PTeam;
+
−    tmpsurf: PSDL_Surface;
+
−begin
+
−WriteLnToConsole('Generating forts land...');
+
−p:= TeamsList;
+
−TryDo(p <> nil, 'No teams on map!', true);
+
−with PixelFormat^ do
+
−     LandSurface:= SDL_CreateRGBSurface(SDL_HWSURFACE, 2048, 1024, BitsPerPixel, RMask, GMask, BMask, 0);
+
−SDL_FillRect(LandSurface, nil, 0);
+
−tmpsurf:= LoadImage(Pathz[ptForts] + '/' + p.FortName + 'L', false);
+
−BlitImageAndGenerateCollisionInfo(0, 0, tmpsurf, LandSurface);
+
−SDL_FreeSurface(tmpsurf);
+
−p:= p.Next;
+
−TryDo(p <> nil, 'Only one team on map!', true);
+
−tmpsurf:= LoadImage(Pathz[ptForts] + '/' + p.FortName + 'R', false);
+
−BlitImageAndGenerateCollisionInfo(1024, 0, tmpsurf, LandSurface);
+
−SDL_FreeSurface(tmpsurf);
+
−p:= p.Next;
+
−TryDo(p = nil, 'More than 2 teams on map in forts mode!', true);
+
−end;
+
−
+
−procedure LoadMap;
+
−var x, y: Longword;
+
−    p: PByteArray;
+
−begin
+
−WriteLnToConsole('Loading land from file...');
+
−AddProgress;
+
−LandSurface:= LoadImage(Pathz[ptMapCurrent] + '/map', false);
+
−TryDo((LandSurface.w = 2048) and (LandSurface.h = 1024), 'Map dimensions should be 2048x1024!', true);
+
−
+
−if SDL_MustLock(LandSurface) then
+
−   SDLTry(SDL_LockSurface(LandSurface) >= 0, true);
+
−
+
−p:= LandSurface.pixels;
+
−case LandSurface.format.BytesPerPixel of
+
−     1: OutError('We don''t work with 8 bit surfaces', true);
+
−     2: for y:= 0 to 1023 do
+
−            begin
+
−            for x:= 0 to 2047 do
+
−                if PWord(@p[x * 2])^ <> 0 then Land[y, x]:= COLOR_LAND;
+
−            p:= @p[LandSurface.pitch];
+
−            end;
+
−     3: for y:= 0 to 1023 do
+
−            begin
+
−            for x:= 0 to 2047 do
+
−                if  (p[x * 3 + 0] <> 0)
+
−                 or (p[x * 3 + 1] <> 0)
+
−                 or (p[x * 3 + 2] <> 0) then Land[y, x]:= COLOR_LAND;
+
−            p:= @p[LandSurface.pitch];
+
−            end;
+
−     4: for y:= 0 to 1023 do
+
−            begin
+
−            for x:= 0 to 2047 do
+
−                if PLongword(@p[x * 4])^ <> 0 then Land[y, x]:= COLOR_LAND;
+
−            p:= @p[LandSurface.pitch];
+
−            end;
+
−     end;
+
−if SDL_MustLock(LandSurface) then
+
−   SDL_UnlockSurface(LandSurface);
+
−end;
+
−
+
−procedure GenMap;
+
−begin
+
−if (GameFlags and gfForts) = 0 then
+
−   if Pathz[ptMapCurrent] <> '' then LoadMap
+
−                                else GenLandSurface
+
−                               else MakeFortsMap;
+
−AddProgress;
+
−{$IFDEF DEBUGFILE}LogLandDigest{$ENDIF}
+
−end;
+
−
+
−initialization
+
−
+
−end.