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Gameboard7.m
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% Copyright 2010 Kevin Weng, Nathan Koon, David Tam
%
% This file is part of DKN Go.
%
% DKN Go 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 3 of the License, or (at your option) any later version.
%
% DKN Go 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 DKN Go. If not, see http://www.gnu.org/licenses/.
classdef Gameboard7 < handle
properties
boardAxesH
pieceList
patchList
size
pass
startButton
endButton
resetButton
p
award
turn
player1Select
player2Select
sizeSelect
dielist
lookedList
neighborsofdoom
ai1 = 0
ai2 = 0
end
methods
function h = Gameboard7()
% create internal board of pieces
h.p = 1;
h.boardAxesH = axes;
hold on;
set(h.boardAxesH,'xtick',[],'ytick',[],'color',[0.858 0.6993 0.3593],'box','on')
set(get(h.boardAxesH, 'parent'), 'position', [50, 100, 850, 700]);
set(get(h.boardAxesH, 'parent'), 'menubar','none');
axis square;
h.startButton = uicontrol('style','pushbutton', 'position',[10 650 100 20],'str','New Game','fontname','papyrus','fontsize',10);
h.pass = uicontrol('style','pushbutton', 'position',[10 620 100 20],'str','Pass','enable','off','fontname','papyrus','fontsize',10);
h.endButton = uicontrol('style','pushbutton', 'position',[10 590 100 20],'str','End Game','enable','off','fontname','papyrus','fontsize',10);
h.resetButton = uicontrol('style','pushbutton', 'position',[10 560 100 20],'str','Reset Game','enable','off','fontname','papyrus','fontsize',10);
uicontrol('Style','Frame','Position',[10 480 100 70]);
uicontrol('Style','Frame','Position',[10 400 100 70]);
uicontrol('Style','Frame','Position',[10 320 100 70]);
uicontrol('Style','Frame','Position',[10 240 100 70]);
uicontrol('style','text','position',[17 525 85 20],'string', 'Select P1','fontname','papyrus','fontsize',10);
uicontrol('style','text','position',[17 445 85 20],'string', 'Select P2','fontname','papyrus','fontsize',10);
uicontrol('style','text','position',[17 365 85 20],'string', 'Select Size','fontname','papyrus','fontsize',10);
h.turn = uicontrol('style','text','position',[17 285 85 20],'string', '','fontname','papyrus','fontsize',10);
h.player1Select = uicontrol('Style','PopupMenu', 'Position',[15 505 90 10],'String',{'Human';'AI'});
h.player2Select = uicontrol('Style','PopupMenu', 'Position',[15 425 90 10],'String',{'Human';'AI'});
h.sizeSelect = uicontrol('Style','PopupMenu', 'Position',[15 345 90 10],'String',{'7 x 7';'9 x 9';'13 x 13';'19 x 19'});
titleH = get(h.boardAxesH,'title');
set(titleH,'String','Team DKN Presents: GO','fontname','papyrus');
set(h.startButton, 'CallBack', {@start h});
h.size = 1;
h.pieceList = zeros(h.size);
h.award = zeros(h.size);
h.patchList = zeros(h.size);
%h.dielist= [];
h.lookedList=[];
labelStr = '<html><center><a href="">Help<br>Click Here';
cbStr = 'web(''http://en.wikipedia.org/wiki/Go_(game)'');';
hButton = uicontrol('string',labelStr,'pos',[10,20,100,35],'callback',cbStr);
%jButton = findjobj(hButton); % get FindJObj from the File Exchange
%jButton.setCursor(java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
%jButton.setContentAreaFilled(0); % or: jButton.setBorder([]);
end
function click(ESrc, EData, h, i, j)
if h.p == 1 && get(h.player1Select,'value') == 1 %current player = 1, and player1 = human
updateBoard(h,i,j);
elseif h.p == 2 && get(h.player2Select,'value') == 1 %current player = 2, and player2 = human
updateBoard(h,i,j);
end
% GAMEFUNCTION(i, j);
end
function erMessage(ESR, EData, h, i, j)
%display cannot place a piece here
helpdlg(['Cannot place a piece here!'],'Error');
end
function start(ESR, EData, h)
cla;
% get size information
if get(h.sizeSelect,'value') == 1
h.size = 7;
elseif get(h.sizeSelect,'value') == 2
h.size = 9;
elseif get(h.sizeSelect,'value') == 3
h.size = 13;
else
h.size = 19;
end
h.p = 1;
set(h.turn,'string','Player 1s turn');
h.pieceList = zeros(h.size);
h.award = zeros(h.size);
%h.dieList = [];
h.lookedList = [];
tick = linspace(1,h.size,h.size);
tick = tick';
set(h.boardAxesH,'YGrid','on');
set(h.boardAxesH,'Xgrid','on');
set(h.boardAxesH,'gridlinestyle','-');
set(h.boardAxesH,'YTick',tick);
set(h.boardAxesH,'XTick',tick);
set(h.boardAxesH,'xlim',[0.6 h.size+0.4],'ylim',[0.6 h.size+0.4]);
for i = 1:h.size
for j = 1:h.size
%create patches on crosses of grid
h.patchList(i,j) = patch([i-0.4 i-0.4*cos(pi()/6) i-0.2 i i+0.2 i+0.4*cos(pi()/6) i+0.4 i+0.4*cos(pi()/6) i+0.2 i i-0.2 i-0.4*cos(pi()/6)], [j j-0.2 j-0.4*cos(pi()/6) j-0.4 j-0.4*cos(pi()/6) j-0.2 j j+0.2 j+0.4*cos(pi()/6) j+0.4 j+0.4*cos(pi()/6) j+0.2],[1 1 1]);
set(h.patchList(i,j),'Visible','on');
set(h.patchList(i,j),'facecolor',[0.7 0.7 0.5]);
set(h.patchList(i,j),'edgecolor',[0 0 0]);
set(h.patchList(i,j),'facealpha',0);
set(h.patchList(i,j),'edgealpha',0);
set(h.patchList(i,j),'ButtonDownFcn', {@click h i j});
end
end
set(h.pass, 'enable','on', 'callback',{@Pass h});
set(h.endButton, 'enable','on', 'callback',{@endGame h});
set(h.resetButton, 'enable','on', 'callback',{@resetGame h});
set(h.player1Select,'enable','off');
set(h.player2Select,'enable','off');
display(['Starting game with ' int2str(h.size) ' by ' int2str(h.size) ' board']);
if get(h.player2Select,'value') == 2 % if player2 is AI
h.ai2 = Player('AI',2,h,h.size);
end
if get(h.player1Select,'value') == 2 % if player 1 is an AI
%initialize AI
h.ai1 = Player('AI',1,h,h.size);
move = h.ai1.NextMove();
updateBoard(h,move(2),move(1));
end
end
function Pass(ESR, EData, h)
if h.p == 1
h.p = 2;
set(h.turn,'string','Player 2s turn');
elseif h.p == 2
h.p = 1;
set(h.turn,'string','Player 1s turn');
end
end
function resetGame(ESR, EData, h)
set(h.pass, 'enable','off');
set(h.endButton, 'enable','off');
set(h.player1Select,'enable','on');
set(h.player2Select,'enable','on');
h.pieceList = [];
cla;
end
function endGame(ESR, EData, h)
try
finalScore(h);
score = findWinner(h);
if score(1) < score(2)
winner = 'Player 2';
out = 2;
elseif score(1) > score(2)
winner = 'Player 1';
out = 1;
else
winner = 'Nobody';
out = 0;
end
for i = 1:h.size
for j = 1:h.size
set(h.patchList(i,j),'Visible','on');
set(h.patchList(i,j),'ButtonDownFcn', {});
end
end
set(h.pass, 'enable','off');
set(h.endButton, 'enable','off');
set(h.player1Select,'enable','on');
set(h.player2Select,'enable','on');
helpdlg([winner ' won this match.'],'Result');
catch
helpdlg('The game has not ended and cannot be scored. To abandon game and start a new game, please press "Start Game"');
end
end
function updateBoard(h,x,y)
% change patch(x,y) to an image of 'color'
% update pieceList
% h.pieceList = pieces;
if x == -1
if h.p == 1
h.p = 2;
else
h.p = 1;
end
else
if h.p == 1
h.pieceList(x,y) = 1;
elseif h.p == 2
h.pieceList(x,y) = 2;
end
if h.p==1
otherP = 2;
else
otherP = 1;
end
h.cleanboardother;
h.cleanboardself;
sz = h.size;
for i = 1:sz
for j = 1:sz
% Set the pieces on the board accordingly
if h.pieceList(i,j) == 1
set(h.patchList(i,j),'facecolor',[0 0 0]);
set(h.patchList(i,j),'facealpha',1);
set(h.patchList(i,j),'ButtonDownFcn', {@erMessage h i j});
elseif h.pieceList(i,j) == 2
set(h.patchList(i,j),'facecolor',[1 1 1]);
set(h.patchList(i,j),'facealpha',1);
set(h.patchList(i,j),'ButtonDownFcn', {@erMessage h i j});
elseif h.pieceList(i,j) == 0
set(h.patchList(i,j),'facecolor',[0.7 0.7 0.5]);
set(h.patchList(i,j),'facealpha',0);
set(h.patchList(i,j),'ButtonDownFcn', {@click h i j});
end
end
end
drawnow;
if h.p == 1
set(h.turn,'string','Player 2s turn');
h.p = 2;
drawnow;
if get(h.player2Select,'value') == 2 % if player 2 = AI
%call ai for move
h.ai2.MyPieceList = h.pieceList;
move = h.ai2.NextMove();
updateBoard(h,move(2),move(1));
end
elseif h.p == 2
set(h.turn,'string','Player 1s turn');
h.p = 1;
drawnow;
if get(h.player1Select,'value') == 2 % if player 1 = AI
%call ai for move
h.ai1.MyPieceList = h.pieceList;
move = h.ai1.NextMove();
updateBoard(h,move(2),move(1));
end
end
end
end
function out = findWinner(h)
ones = 0;
twos = 0;
for i = 1:h.size
for j = 1:h.size
if h.award(i,j) == 1
ones = ones + 1;
elseif h.award(i,j) == 2
twos = twos + 1;
end
end
end
out = [ones twos];
end
function out = score(h, i, j)
% if blank
if h.pieceList(i,j) == 0
%check top
if i == 1 && j ~= 1 && j ~= h.size
% do stuff
temp = zeros(3, 1);
temp(1) = h.pieceList(i, j+1);
temp(2) = h.pieceList(i, j-1);
temp(3) = h.pieceList(i+1, j);
% if all zeros and no neighbors
if temp(1:3) == zeros(3, 1);
winner = score(h, i+1,j);
elseif (temp(1)==1||temp(1) == 0)&&(temp(2)==1||temp(2)==0)&&(temp(3)==1||temp(3)==0)
% case: white or empty
winner = 1;
elseif (temp(1)==2||temp(1) == 0)&&(temp(2)==2||temp(2)==0)&&(temp(3)==2||temp(3)==0)
winner = 2;
else
winner = 0;
end
%check bottom
elseif i == h.size && j~=1 && j~=h.size
temp = zeros(3, 1);
temp(1) = h.pieceList(i, j+1);
temp(2) = h.pieceList(i, j-1);
temp(3) = h.pieceList(i-1, j);
% if all zeros and no neighbors
if temp(1:3) == zeros(3, 1);
winner = score(h, i-1,j);
elseif (temp(1)==1||temp(1) == 0)&&(temp(2)==1||temp(2)==0)&&(temp(3)==1||temp(3)==0)
% case: white or empty
winner = 1;
elseif (temp(1)==2||temp(1) == 0)&&(temp(2)==2||temp(2)==0)&&(temp(3)==2||temp(3)==0)
winner = 2;
else
winner = 0;
end
%check left
elseif j == 1 && i~=1 && i~=h.size
temp = zeros(3, 1);
temp(1) = h.pieceList(i+1, j);
temp(2) = h.pieceList(i-1, j);
temp(3) = h.pieceList(i, j+1);
% if all zeros and no neighbors
if temp(1:3) == zeros(3, 1);
winner = score(h, i,j+1);
elseif (temp(1)==1||temp(1) == 0)&&(temp(2)==1||temp(2)==0)&&(temp(3)==1||temp(3)==0)
% case: white or empty
winner = 1;
elseif (temp(1)==2||temp(1) == 0)&&(temp(2)==2||temp(2)==0)&&(temp(3)==2||temp(3)==0)
winner = 2;
else
winner = 0;
end
%check right
elseif j == h.size && i~=1 && i~=h.size
temp = zeros(3, 1);
temp(1) = h.pieceList(i+1, j);
temp(2) = h.pieceList(i-1, j);
temp(3) = h.pieceList(i, j-1);
% if all zeros and no neighbors
if temp(1:3) == zeros(3, 1);
winner = score(h, i,j-1);
elseif (temp(1)==1||temp(1) == 0)&&(temp(2)==1||temp(2)==0)&&(temp(3)==1||temp(3)==0)
% case: white or empty
winner = 1;
elseif (temp(1)==2||temp(1) == 0)&&(temp(2)==2||temp(2)==0)&&(temp(3)==2||temp(3)==0)
winner = 2;
else
winner = 0;
end
%check corners
elseif j == 1 && i == 1
temp = zeros(2, 1);
temp(1) = h.pieceList(i+1, j);
temp(2) = h.pieceList(i, j+1);
% if all zeros and no neighbors
if temp(1:2) == zeros(2, 1);
winner = score(h, i+1,j);
elseif (temp(1)==1||temp(1) == 0)&&(temp(2)==1||temp(2)==0)
% case: white or empty
winner = 1;
elseif (temp(1)==2||temp(1) == 0)&&(temp(2)==2||temp(2)==0)
winner = 2;
else
winner = 0;
end
elseif j == 1 && i == h.size % bottom left
temp = zeros(2, 1);
temp(1) = h.pieceList(i-1, j);
temp(2) = h.pieceList(i, j+1);
% if all zeros and no neighbors
if temp(1:2) == zeros(2, 1);
winner = score(h, i-1,j);
elseif (temp(1)==1||temp(1) == 0)&&(temp(2)==1||temp(2)==0)
% case: white or empty
winner = 1;
elseif (temp(1)==2||temp(1) == 0)&&(temp(2)==2||temp(2)==0)
winner = 2;
else
winner = 0;
end
elseif j == h.size && i == 1 % top right
temp = zeros(2, 1);
temp(1) = h.pieceList(i+1, j);
temp(2) = h.pieceList(i, j-1);
% if all zeros and no neighbors
if temp(1:2) == zeros(2, 1);
winner = score(h, i+1,j);
elseif (temp(1)==1||temp(1) == 0)&&(temp(2)==1||temp(2)==0)
% case: white or empty
winner = 1;
elseif (temp(1)==2||temp(1) == 0)&&(temp(2)==2||temp(2)==0)
winner = 2;
else
winner = 0;
end
elseif j == h.size && i == h.size % bottom right
temp = zeros(2, 1);
temp(1) = h.pieceList(i-1, j);
temp(2) = h.pieceList(i, j-1);
% if all zeros and no neighbors
if temp(1:2) == zeros(2, 1);
winner = score(h, i-1,j);
elseif (temp(1)==1||temp(1) == 0)&&(temp(2)==1||temp(2)==0)
% case: white or empty
winner = 1;
elseif (temp(1)==2||temp(1) == 0)&&(temp(2)==2||temp(2)==0)
winner = 2;
else
winner = 0;
end
else % not edge or corner
temp = zeros(4, 1);
temp(1) = h.pieceList(i, j+1);
temp(2) = h.pieceList(i, j-1);
temp(3) = h.pieceList(i+1, j);
temp(4) = h.pieceList(i-1, j);
% if all zeros and no neighbors
if temp(1:4) == zeros(4, 1);
winner = score(h, i+1,j);
elseif (temp(1)==1||temp(1) == 0)&&(temp(2)==1||temp(2)==0)&&(temp(3)==1||temp(3)==0)&&(temp(4)==1||temp(4)==0)
% case: white or empty
winner = 1;
elseif (temp(1)==2||temp(1) == 0)&&(temp(2)==2||temp(2)==0)&&(temp(3)==2||temp(3)==0)&&(temp(4)==2||temp(4)==0)
winner = 2;
else
winner = 0;
end
end
else
% not blank
winner = h.pieceList(i,j);
end
out = winner;
end
function finalScore(h)
for i = 1:h.size
for j = 1:h.size
h.award(i,j) = score(h,i,j);
end
end
end
% function delete(h)
% delete(h);
% end
%function display()
%
%end
function cleanboardother(h)
%set up some temp variables
if h.p ==1
CurrentPlayer = 1;
OtherPlayer = 2;
else
CurrentPlayer=2;
OtherPlayer = 1;
end
[listofx,listofy]=find(h.pieceList==OtherPlayer);
for i=1:length(listofx)
h.dielist=[];
amirightwhereiamatdead=h.cleanrecurseother([listofx(i) listofy(i)]);
if amirightwhereiamatdead==0
currentmove = [listofx(i), listofy(i)];
h.dielist=[h.dielist;currentmove];
sizedielist = size(h.dielist);
for j=1:sizedielist(1)
if length(h.dielist)>0
h.pieceList(h.dielist(j,1),h.dielist(j,2))=0;
%also kill current point
end
end
end
end
end
function cleanboardself(h)
%set up some temp variables
%just reverse the order of players
if h.p ==1
CurrentPlayer = 2;
OtherPlayer = 1;
else
CurrentPlayer=1;
OtherPlayer = 2;
end
[listofx,listofy]=find(h.pieceList==OtherPlayer);
for i=1:length(listofx)
h.dielist=[];
amirightwhereiamatdead=h.cleanrecurseself([listofx(i) listofy(i)]);
if amirightwhereiamatdead==0
currentmove = [listofx(i), listofy(i)];
h.dielist=[h.dielist;currentmove];
sizedielist = size(h.dielist);
for j=1:sizedielist(1)
if length(h.dielist)>0
h.pieceList(h.dielist(j,1),h.dielist(j,2))=0;
%also kill current point
end
end
end
end
end
function alive=cleanrecurseother(h,nextpoint,looklist)
if h.p ==1
CurrentPlayer = 1;
OtherPlayer = 2;
else
CurrentPlayer=2;
OtherPlayer = 1;
end
updatelooklist=0;
if nargin==2
findneighbors(h,nextpoint);
else
findneighbors(h,nextpoint,looklist)
updatelooklist=1;
end
%now go through the neighbors and do stuff
sizeneighborsofdoom = size(h.neighborsofdoom);
stuffinneighbors=zeros(1,sizeneighborsofdoom(1));
sizestuffinneighbors = size(stuffinneighbors);
for j=1:sizestuffinneighbors(2)
stuffinneighbors(j)=h.pieceList(h.neighborsofdoom(j,1),h.neighborsofdoom(j,2));
end %piece out if there is a player 1 or player 2 piece in current spot
%if not totally surrounded
for (p=1:length(stuffinneighbors))
if stuffinneighbors(p)==0
alive=1;
end
end
if (length(h.neighborsofdoom)==0)
alive=0;
end
if (stuffinneighbors>0) %if totally surrounded
if (stuffinneighbors==h.p) %if totally surrounded by opposite player
h.dielist=[h.dielist; nextpoint];
%h.InternalBoard.Board(nextpoint(1),nextpoint(2))=0;
alive = 0;
else
%OMFG RECURSION TIME OF D000000000000MMMMMMM
%so you know that currentposition is surrounded
%you also know that currentposition has at least 1
%friendly around it
%time to find location of friendly pieces
friendliesindex = (stuffinneighbors==OtherPlayer);
friendlieslocation = [];
for z=1:length(friendliesindex)
if friendliesindex(z)==0
z=z+1;
else
friendlieslocation(z,1)=h.neighborsofdoom(z,1);
friendlieslocation(z,2)=h.neighborsofdoom(z,2);
end
end
%used to strip out zero entries...hopefully this works
if sum(friendlieslocation==0)>0
friendlieslocation=nonzeros(friendlieslocation);
friendlieslocation=reshape(friendlieslocation,[],2);
end
sizefriendlieslocation = size(friendlieslocation);
fate=[];
%NOW FOR THE CALLS OF RECURSSSIIOONNNN
if updatelooklist
nextpoint=[looklist;nextpoint];
end
for(c=1:sizefriendlieslocation(1))
fate(c)=cleanrecurseother(h,[friendlieslocation(c,1),friendlieslocation(c,2)],[nextpoint]);
end
%managing what happens after you make the calls
% %if the recursive calls out returns 0 ie dead, then
% %you're dead
if sum(fate)==0
alive = 0; %return dead if something called u
h.dielist=[h.dielist; nextpoint];
%otherwise, you're stillll aliveee
else
alive = 1;
end
end
end
end
function alive=cleanrecurseself(h,nextpoint,looklist)
%flip order of players to save rest of code
if h.p ==1
CurrentPlayer = 2;
OtherPlayer = 1;
else
CurrentPlayer=1;
OtherPlayer = 2;
end
updatelooklist=0;
if nargin==2
findneighbors(h,nextpoint);
else
findneighbors(h,nextpoint,looklist)
updatelooklist=1;
end
%now go through the neighbors and do stuff
sizeneighborsofdoom = size(h.neighborsofdoom);
stuffinneighbors=zeros(1,sizeneighborsofdoom(1));
sizestuffinneighbors = size(stuffinneighbors);
for j=1:sizestuffinneighbors(2)
stuffinneighbors(j)=h.pieceList(h.neighborsofdoom(j,1),h.neighborsofdoom(j,2));
end %piece out if there is a player 1 or player 2 piece in current spot
%if not totally surrounded
for (p=1:length(stuffinneighbors))
if stuffinneighbors(p)==0
alive=1;
end
end
if (length(h.neighborsofdoom)==0)
alive=0;
end
if (stuffinneighbors>0) %if totally surrounded
if (stuffinneighbors==CurrentPlayer) %if totally surrounded by opposite player
h.dielist=[h.dielist; nextpoint];
%h.InternalBoard.Board(nextpoint(1),nextpoint(2))=0;
alive = 0;
else
%OMFG RECURSION TIME OF D000000000000MMMMMMM
%so you know that currentposition is surrounded
%you also know that currentposition has at least 1
%friendly around it
%time to find location of friendly pieces
friendliesindex = (stuffinneighbors==OtherPlayer);
friendlieslocation = [];
for z=1:length(friendliesindex)
if friendliesindex(z)==0
z=z+1;
else
friendlieslocation(z,1)=h.neighborsofdoom(z,1);
friendlieslocation(z,2)=h.neighborsofdoom(z,2);
end
end
%used to strip out zero entries...hopefully this works
if sum(friendlieslocation==0)>0
friendlieslocation=nonzeros(friendlieslocation);
friendlieslocation=reshape(friendlieslocation,[],2);
end
sizefriendlieslocation = size(friendlieslocation);
fate=[];
%NOW FOR THE CALLS OF RECURSSSIIOONNNN
if updatelooklist
nextpoint=[looklist;nextpoint];
end
for(c=1:sizefriendlieslocation(1))
fate(c)=cleanrecurseself(h,[friendlieslocation(c,1),friendlieslocation(c,2)],[nextpoint]);
end
%managing what happens after you make the calls
% %if the recursive calls out returns 0 ie dead, then
% %you're dead
if sum(fate)==0
alive = 0; %return dead if something called u
h.dielist=[h.dielist; nextpoint];
%otherwise, you're stillll aliveee
else
alive = 1;
end
end
end
end
function findneighbors(h,currentpoint,dontlookback)
if nargin==2
%you don't have a looklist
%then self search for neighbors
%check corner
if (currentpoint(1)==1&¤tpoint(2)==1)
%top left corner
h.neighborsofdoom = [2 1; 1 2];
elseif(currentpoint(1)==1&¤tpoint(2)==h.size)
%top right corner
h.neighborsofdoom = [1 h.size-1; 2 h.size];
elseif(currentpoint(1)==h.size&¤tpoint(2)==1)
%bottom left corner
h.neighborsofdoom = [h.size-1 1; h.size 2];
elseif(currentpoint(1)==h.size&¤tpoint(2)==h.size)
%bottom right corner
h.neighborsofdoom = [h.size h.size-1; h.size-1 h.size];
%check edges
elseif(currentpoint(1)==1)
%top edge
h.neighborsofdoom = [1 currentpoint(2)-1; 2 currentpoint(2); 1 currentpoint(2)+1];
elseif(currentpoint(1)==h.size)
%bottom edge
h.neighborsofdoom = [h.size currentpoint(2)-1; h.size-1 currentpoint(2); h.size currentpoint(2)+1];
elseif(currentpoint(2)==1)
%left edge
h.neighborsofdoom = [currentpoint(1)-1 1; currentpoint(1) 2; currentpoint(1)+1 1];
elseif(currentpoint(2)==h.size)
%right edge
h.neighborsofdoom = [currentpoint(1)-1 h.size; currentpoint(1) h.size-1; currentpoint(1)+1 h.size];
else
%it's in the middle somewhere
%otherwise you're boringly in the middle
h.neighborsofdoom = [currentpoint(1)-1 currentpoint(2); currentpoint(1)+1 currentpoint(2); currentpoint(1) currentpoint(2)+1; currentpoint(1) currentpoint(2)-1];
end
else
%yay, looklist time!
if (currentpoint(1)==1&¤tpoint(2)==1)
%top left corner
potentialneighbors = [2 1; 1 2];
h.neighborsofdoom=h.actualneighbors(dontlookback,potentialneighbors);
elseif(currentpoint(1)==1&¤tpoint(2)==h.size)
%top right corner
potentialneighbors= [1 h.size-1; 2 h.size];
h.neighborsofdoom=h.actualneighbors(dontlookback,potentialneighbors);
elseif(currentpoint(1)==h.size&¤tpoint(2)==1)
%bottom left corner
potentialneighbors= [h.size-1 1; h.size 2];
h.neighborsofdoom=h.actualneighbors(dontlookback,potentialneighbors);
elseif(currentpoint(1)==h.size&¤tpoint(2)==h.size)
%bottom right corner
potentialneighbors = [h.size h.size-1; h.size-1 h.size];
h.neighborsofdoom=h.actualneighbors(dontlookback,potentialneighbors);
%check edges
elseif(currentpoint(1)==1)
%top edge
potentialneighbors = [1 currentpoint(2)-1; 2 currentpoint(2); 1 currentpoint(2)+1];
h.neighborsofdoom=h.actualneighbors(dontlookback,potentialneighbors);
elseif(currentpoint(1)==h.size)
%bottom edge
potentialneighbors = [h.size currentpoint(2)-1; h.size-1 currentpoint(2); h.size currentpoint(2)+1];
h.neighborsofdoom=h.actualneighbors(dontlookback,potentialneighbors);
elseif(currentpoint(2)==1)
%left edge
potentialneighbors = [currentpoint(1)-1 1; currentpoint(1) 2; currentpoint(1)+1 1];
h.neighborsofdoom=h.actualneighbors(dontlookback,potentialneighbors);
elseif(currentpoint(2)==h.size)
%right edge
potentialneighbors = [currentpoint(1)-1 h.size; currentpoint(1) h.size-1; currentpoint(1)+1 h.size];
h.neighborsofdoom=h.actualneighbors(dontlookback,potentialneighbors);
else
%it's in the middle somewhere
%otherwise you're boringly in the middle
potentialneighbors = [currentpoint(1)-1 currentpoint(2); currentpoint(1)+1 currentpoint(2); currentpoint(1) currentpoint(2)+1; currentpoint(1) currentpoint(2)-1];
h.neighborsofdoom=h.actualneighbors(dontlookback,potentialneighbors);
end
end
end
function neighborssuck=actualneighbors(h,dontlookback,potential)
sizeA=size(dontlookback);
sizeB=size(potential);
neighborssuck=[];
for i=1:sizeB(1)
isunique=0;
for j=1:sizeA(1)
if(sum(potential(i,:)~=dontlookback(j,:))>0)
isunique=isunique+1;
end
end
if isunique>=sizeA(1)
neighborssuck=[neighborssuck; potential(i,:)];
end
end
end
end
end