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(*
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* Hedgewars, a free turn based strategy game
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* Copyright (c) 2010 Andrey Korotaev <unC0Rr@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*)
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{$INCLUDE "options.inc"}
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unit uLandPainted;
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interface
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procedure LoadFromFile(fileName: shortstring);
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implementation
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uses uLandGraphics, uConsts, uUtils, SDLh;
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type PointRec = packed record
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X, Y: SmallInt;
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flags: byte;
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end;
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procedure DrawLineOnLand(X1, Y1, X2, Y2: LongInt);
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var eX, eY, dX, dY: LongInt;
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i, sX, sY, x, y, d: LongInt;
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b: boolean;
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len: LongWord;
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begin
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len:= 0;
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if (X1 = X2) and (Y1 = Y2) then
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begin
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exit
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end;
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eX:= 0;
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eY:= 0;
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dX:= X2 - X1;
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dY:= Y2 - Y1;
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if (dX > 0) then sX:= 1
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else
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if (dX < 0) then
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begin
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sX:= -1;
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dX:= -dX
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end else sX:= dX;
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if (dY > 0) then sY:= 1
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else
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if (dY < 0) then
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begin
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sY:= -1;
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dY:= -dY
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end else sY:= dY;
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if (dX > dY) then d:= dX
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else d:= dY;
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x:= X1;
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y:= Y1;
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for i:= 0 to d do
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begin
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inc(eX, dX);
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inc(eY, dY);
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b:= false;
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if (eX > d) then
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begin
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dec(eX, d);
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inc(x, sX);
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b:= true
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end;
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if (eY > d) then
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begin
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dec(eY, d);
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inc(y, sY);
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b:= true
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end;
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if b then
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begin
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inc(len);
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if (len mod 4) = 0 then FillRoundInLand(X, Y, 34, lfBasic)
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end
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end
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end;
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procedure LoadFromFile(fileName: shortstring);
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var
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f: file of PointRec;
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rec, prevRec: PointRec;
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begin
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fileMode:= 0;
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assignFile(f, fileName);
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reset(f);
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while not eof(f) do
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begin
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read(f, rec);
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rec.X:= SDLNet_Read16(@rec.X);
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rec.Y:= SDLNet_Read16(@rec.Y);
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// FIXME: handle single point
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if eof(f) or (rec.flags and $80 <> 0) then
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else
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DrawLineOnLand(prevRec.X, prevRec.Y, rec.X, rec.Y);
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prevRec:= rec;
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end;
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closeFile(f);
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end;
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end.
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