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% This is
% pkking.mf
%
% Copyright (C) 1989-92 by Elmar Bartel.
%
% 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; either version 1, or (at your option)
% any later version.
%
% 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., 675 Mass Ave, Cambridge, MA 02139, USA.
%
%we have to define six essential characters:
% WoW NoW BoW WoB NoB BoB
%Pawn 0 6 12 18 24 30
%Knight 1 7 13 19 25 31
%Bishop 2 8 14 20 26 32
%Rook 3 9 15 21 27 33
%Queen 4 10 16 22 28 34
%King 5 11 17 23 29 35
def SetParam =
numeric BowOneW,ThreeFour,SixHor,FourSix;
BowOneW = .52qs;
ThreeFour = .10;
FourFive = .60; % z5 is Top of Heart
SixHor = 1.40;
FourSix = .29;
numeric CrossWidth, CrossHeight, CrossAbove;
CrossWidth = .30;
CrossHeight = .18;
CrossAbove = .18; %Middle of cross above center of heart.
enddef;
def DefinePointsAndBows =
% Points are numbered from 0 to 9 from lower to upper
% Points to the left have suffix a, right suffic b
% points without further suffix are in the center
SetParam;
DefineFootBows( 0, % No Space to Bottom
BowOneW,
.22qs, % FootHeight
.40, % BowTwoLoc
.15, % WidthToHeight
.90, % BowTwoLen
1.00); % BowThreeLen
z4 = z3 + BowOneW*ThreeFour*up;
z5 = z4 + BowOneW*FourFive*up;
y6l= y6r = y4 + BowOneW*FourSix;
x6l + x6r = qs; x6r - x6l = SixHor*BowOneW;
z7 = z5 + CrossAbove*BowOneW*up;
y7 = y7l = y7r;
x7l + x7r = qs; x7r - x7l = CrossWidth*BowOneW;
z8 = z7 + CrossHeight*BowOneW*up;
path Cross[];
Cross1= z5--z8;
Cross2= z7l--z7r;
enddef;
def DrawCross =
draw Cross1;
draw Cross2;
enddef;
def UnDrawCross =
undraw Cross1;
undraw Cross2;
enddef;
def DefineKingPaths =
path LeftPath,RightPath,LeftInnerPath,RightInnerPath,
OuterPath,TopHeartPath,HeartPath;
LeftPath = z1l .. z2l .. z3l .. z6l .. {down} z4 -- z3;
RightPath= reverse LeftPath reflectedabout (z3,z4);
%RightPath= z3 -- z4 {up} .. z6r .. z3r .. z2r .. z1r;
LeftInnerPath = ParallelPath(subpath (1.8,5)of LeftPath,
-1.6*thin);
RightInnerPath = LeftInnerPath reflectedabout (z3,z4);
OuterPath = LeftPath .. RightPath .. Bow0 .. cycle;
HeartStart = 3.75;
HeartPath = subpath (4,HeartStart) of LeftPath &
point HeartStart of LeftPath
{-direction HeartStart of LeftPath}..
{right}z5{right}..
point HeartStart of reverse RightPath
{direction HeartStart of reverse RightPath} &
subpath (HeartStart,4) of reverse RightPath;
enddef;
def MakeWhiteKing =
clearit;
pickup chess_pen;
draw Bow[1];
draw Bow[2];
draw Bow[3];
draw OuterPath;
draw HeartPath;
DrawCross;
%pickup inner_pen;
%pickup chess_pen;
%draw ParallelPath(subpath(1.7,5)of LeftPath,-2thin);
%draw ParallelPath(subpath(0,3.3)of RightPath,-2thin);
if proofing > 0:
ScreenGrid(0,qs)(0,qs);
fi;
WhiteMan:= currentpicture;
enddef;
def MakeBlackKing =
clearit;
pickup chess_pen;
filldraw HeartPath .. cycle;
DrawCross;
cullit;
undraw ParallelPath(subpath (.6,3.4) of HeartPath, -thin);
cullit;
filldraw OuterPath;
cullit;
undraw ShortenPath(Bow[1],1.5thin);
undraw ShortenPath(Bow[2],1.2thin);
undraw ShortenPath(Bow[3],1.2thin);
undraw ShortenBegin(ParallelPath(LeftPath,-thin),1.2thin);
undraw ShortenEnd(ParallelPath(RightPath,-thin),1.2thin);
BlackMan:= currentpicture;
enddef;
def MakeOuterShape =
clearit;
pickup frame_pen;
DrawCross;
filldraw OuterPath;
filldraw HeartPath .. cycle;
cullit;
OuterShape:= currentpicture;
enddef;
DefinePointsAndBows;
DefineKingPaths;
MakeWhiteKing;
MakeBlackKing;
MakeNeutral(WhiteMan, BlackMan);
MakeOuterShape;
%ScreenGrid(0,qs,x6r)(0,qs,y6r);
%===========================================================
beginchar(King+White+OnWhite, qs#, qs#, 0);
"White king on white field";
currentpicture:= WhiteMan;
%labels(z0,z1l,z1,z1r,z2l,z2,z2r);
%labels(z3l,z3,z3l,z4,z5,z6l,z6r);
%labels(z7l,z7,z7r,z8);
endchar;
beginchar(King+White+OnWhite+LeftTurned, qs#, qs#, 0);
"White king turned to the left on white field";
currentpicture:= TurnLeft(WhiteMan);
endchar;
beginchar(King+White+OnWhite+RightTurned, qs#, qs#, 0);
"White king turned to the right on white field";
currentpicture:= TurnRight(WhiteMan);
endchar;
beginchar(King+White+OnWhite+UpSideDown, qs#, qs#, 0);
"White king turned upsidedown on white field";
currentpicture:= TurnUpSideDown(WhiteMan);
endchar;
%===========================================================
beginchar(King+White+OnBlack, qs#, qs#, 0);
"White king on black field";
MakeBlackField;
cullit;
currentpicture:= currentpicture - OuterShape;
cullit;
currentpicture:= currentpicture + WhiteMan;
endchar;
beginchar(King+White+OnBlack+LeftTurned, qs#, qs#, 0);
"White king turned to the left on black field";
MakeBlackField;
cullit;
currentpicture:= currentpicture - TurnLeft(OuterShape);
cullit;
currentpicture:= currentpicture + TurnLeft(WhiteMan);
endchar;
beginchar(King+White+OnBlack+RightTurned, qs#, qs#, 0);
"White king turned to the right on black field";
MakeBlackField;
currentpicture:= currentpicture - TurnRight(OuterShape);
cullit;
currentpicture:= currentpicture + TurnRight(WhiteMan);
endchar;
beginchar(King+White+OnBlack+UpSideDown, qs#, qs#, 0);
"White king turned upsidedown on black field";
MakeBlackField;
cullit;
currentpicture:= currentpicture - TurnUpSideDown(OuterShape);
cullit;
currentpicture:= currentpicture + TurnUpSideDown(WhiteMan);
endchar;
%===========================================================
beginchar(King+Neutral+OnWhite, qs#, qs#, 0);
"Neutral king on white field";
currentpicture:= NeutralMan;
endchar;
beginchar(King+Neutral+OnWhite+LeftTurned, qs#, qs#, 0);
"Neutral king turned to the left on white field";
currentpicture:= TurnLeft(NeutralMan);
endchar;
beginchar(King+Neutral+OnWhite+RightTurned, qs#, qs#, 0);
"Neutral king turned to the right on white field";
currentpicture:= TurnRight(NeutralMan);
endchar;
beginchar(King+Neutral+OnWhite+UpSideDown, qs#, qs#, 0);
"Neutral king turned upsidedown on white field";
currentpicture:= TurnUpSideDown(NeutralMan);
endchar;
%===========================================================
beginchar(King+Neutral+OnBlack, qs#, qs#, 0);
"Neutral king on black field";
MakeBlackField;
cullit;
currentpicture:= currentpicture - OuterShape;
cullit;
currentpicture:= currentpicture + NeutralMan;
endchar;
beginchar(King+Neutral+OnBlack+LeftTurned, qs#, qs#, 0);
"Neutral king turned to the left on black field";
MakeBlackField;
cullit;
currentpicture:= currentpicture - TurnLeft(OuterShape);
cullit;
currentpicture:= currentpicture + TurnLeft(NeutralMan);
endchar;
beginchar(King+Neutral+OnBlack+RightTurned, qs#, qs#, 0);
"Neutral king turned to the right on black field";
MakeBlackField;
currentpicture:= currentpicture - TurnRight(OuterShape);
cullit;
currentpicture:= currentpicture + TurnRight(NeutralMan);
endchar;
beginchar(King+Neutral+OnBlack+UpSideDown, qs#, qs#, 0);
"Neutral king turned upsidedown on black field";
MakeBlackField;
cullit;
currentpicture:= currentpicture - TurnUpSideDown(OuterShape);
cullit;
currentpicture:= currentpicture + TurnUpSideDown(NeutralMan);
endchar;
%===========================================================
beginchar(King+Black+OnWhite, qs#, qs#, 0);
"Black king on white field";
currentpicture:= BlackMan;
endchar;
beginchar(King+Black+OnWhite+LeftTurned, qs#, qs#, 0);
"Black king turned to the left on white field";
currentpicture:= TurnLeft(BlackMan);
endchar;
beginchar(King+Black+OnWhite+RightTurned, qs#, qs#, 0);
"Black king turned to the right on white field";
currentpicture:= TurnRight(BlackMan);
endchar;
beginchar(King+Black+OnWhite+UpSideDown, qs#, qs#, 0);
"Black king turned upsidedown on white field";
currentpicture:= TurnUpSideDown(BlackMan);
endchar;
%===========================================================
beginchar(King+Black+OnBlack, qs#, qs#, 0);
"Black king on black field";
MakeBlackField;
cullit;
currentpicture:= currentpicture - OuterShape;
cullit;
currentpicture:= currentpicture + BlackMan;
endchar;
beginchar(King+Black+OnBlack+LeftTurned, qs#, qs#, 0);
"Black king turned to the left on black field";
MakeBlackField;
cullit;
currentpicture:= currentpicture - TurnLeft(OuterShape);
cullit;
currentpicture:= currentpicture + TurnLeft(BlackMan);
endchar;
beginchar(King+Black+OnBlack+RightTurned, qs#, qs#, 0);
"Black king turned to the right on black field";
MakeBlackField;
currentpicture:= currentpicture - TurnRight(OuterShape);
cullit;
currentpicture:= currentpicture + TurnRight(BlackMan);
endchar;
beginchar(King+Black+OnBlack+UpSideDown, qs#, qs#, 0);
"Black king turned upsidedown on black field";
MakeBlackField;
cullit;
currentpicture:= currentpicture - TurnUpSideDown(OuterShape);
cullit;
currentpicture:= currentpicture + TurnUpSideDown(BlackMan);
endchar;
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