diff --git a/session.vim b/session.vim
index ce94a3c..738033f 100644
--- a/session.vim
+++ b/session.vim
@@ -42,6 +42,8 @@ tabnew
 tabnew
 tabnew
 tabnew
+tabnew
+tabnew
 tabrewind
 edit main.c
 set splitbelow splitright
@@ -178,11 +180,11 @@ setlocal nowinfixwidth
 setlocal wrap
 setlocal wrapmargin=0
 silent! normal! zE
-let s:l = 101 - ((48 * winheight(0) + 24) / 49)
+let s:l = 21 - ((20 * winheight(0) + 24) / 49)
 if s:l < 1 | let s:l = 1 | endif
 exe s:l
 normal! zt
-101
+21
 normal! 05|
 tabnext
 edit grid.c
@@ -320,11 +322,11 @@ setlocal nowinfixwidth
 setlocal wrap
 setlocal wrapmargin=0
 silent! normal! zE
-let s:l = 72 - ((19 * winheight(0) + 24) / 49)
+let s:l = 1 - ((0 * winheight(0) + 24) / 49)
 if s:l < 1 | let s:l = 1 | endif
 exe s:l
 normal! zt
-72
+1
 normal! 0
 tabnext
 edit grid.h
@@ -462,13 +464,297 @@ setlocal nowinfixwidth
 setlocal wrap
 setlocal wrapmargin=0
 silent! normal! zE
-let s:l = 1 - ((0 * winheight(0) + 24) / 49)
+let s:l = 10 - ((9 * winheight(0) + 24) / 49)
 if s:l < 1 | let s:l = 1 | endif
 exe s:l
 normal! zt
-1
+10
 normal! 0
 tabnext
+edit game.c
+set splitbelow splitright
+set nosplitbelow
+set nosplitright
+wincmd t
+set winminheight=0
+set winheight=1
+set winminwidth=0
+set winwidth=1
+argglobal
+if bufexists("game.c") | buffer game.c | else | edit game.c | endif
+setlocal keymap=
+setlocal noarabic
+setlocal autoindent
+setlocal backupcopy=
+setlocal balloonexpr=
+setlocal nobinary
+setlocal nobreakindent
+setlocal breakindentopt=
+setlocal bufhidden=
+setlocal buflisted
+setlocal buftype=
+setlocal cindent
+setlocal cinkeys=0{,0},0),0],:,0#,!^F,o,O,e
+setlocal cinoptions=
+setlocal cinwords=if,else,while,do,for,switch
+setlocal colorcolumn=
+setlocal comments=sO:*\ -,mO:*\ \ ,exO:*/,s1:/*,mb:*,ex:*/,://
+setlocal commentstring=/*%s*/
+setlocal complete=.,w,b,u,t,i
+setlocal concealcursor=
+setlocal conceallevel=0
+setlocal completefunc=
+setlocal nocopyindent
+setlocal cryptmethod=
+setlocal nocursorbind
+setlocal nocursorcolumn
+setlocal nocursorline
+setlocal cursorlineopt=both
+setlocal define=^\\s*#\\s*define
+setlocal dictionary=
+setlocal nodiff
+setlocal equalprg=
+setlocal errorformat=
+setlocal noexpandtab
+if &filetype != 'c'
+setlocal filetype=c
+endif
+setlocal fixendofline
+setlocal foldcolumn=0
+setlocal foldenable
+setlocal foldexpr=0
+setlocal foldignore=#
+setlocal foldlevel=0
+setlocal foldmarker={{{,}}}
+setlocal foldmethod=manual
+setlocal foldminlines=1
+setlocal foldnestmax=20
+setlocal foldtext=foldtext()
+setlocal formatexpr=
+setlocal formatoptions=croql
+setlocal formatlistpat=^\\s*\\d\\+[\\]:.)}\\t\ ]\\s*
+setlocal formatprg=
+setlocal grepprg=
+setlocal iminsert=0
+setlocal imsearch=-1
+setlocal include=^\\s*#\\s*include
+setlocal includeexpr=
+setlocal indentexpr=
+setlocal indentkeys=0{,0},0),0],:,0#,!^F,o,O,e
+setlocal noinfercase
+setlocal iskeyword=@,48-57,_,192-255
+setlocal keywordprg=
+setlocal nolinebreak
+setlocal nolisp
+setlocal lispwords=
+setlocal nolist
+setlocal makeencoding=
+setlocal makeprg=
+setlocal matchpairs=(:),{:},[:]
+setlocal modeline
+setlocal modifiable
+setlocal nrformats=bin,octal,hex
+set number
+setlocal number
+setlocal numberwidth=4
+setlocal omnifunc=ccomplete#Complete
+setlocal path=
+setlocal nopreserveindent
+setlocal nopreviewwindow
+setlocal quoteescape=\\
+setlocal noreadonly
+set relativenumber
+setlocal relativenumber
+setlocal norightleft
+setlocal rightleftcmd=search
+setlocal noscrollbind
+setlocal scrolloff=-1
+setlocal shiftwidth=4
+setlocal noshortname
+setlocal showbreak=
+setlocal sidescrolloff=-1
+setlocal signcolumn=auto
+setlocal smartindent
+setlocal softtabstop=0
+setlocal nospell
+setlocal spellcapcheck=[.?!]\\_[\\])'\"\	\ ]\\+
+setlocal spellfile=
+setlocal spelllang=en
+setlocal statusline=
+setlocal suffixesadd=
+setlocal swapfile
+setlocal synmaxcol=3000
+if &syntax != 'c'
+setlocal syntax=c
+endif
+setlocal tabstop=4
+setlocal tagcase=
+setlocal tagfunc=
+setlocal tags=
+setlocal termwinkey=
+setlocal termwinscroll=10000
+setlocal termwinsize=
+setlocal textwidth=0
+setlocal thesaurus=
+setlocal noundofile
+setlocal undolevels=-123456
+setlocal varsofttabstop=
+setlocal vartabstop=
+setlocal wincolor=
+setlocal nowinfixheight
+setlocal nowinfixwidth
+setlocal wrap
+setlocal wrapmargin=0
+silent! normal! zE
+let s:l = 45 - ((42 * winheight(0) + 24) / 49)
+if s:l < 1 | let s:l = 1 | endif
+exe s:l
+normal! zt
+45
+normal! 05|
+tabnext
+edit game.h
+set splitbelow splitright
+set nosplitbelow
+set nosplitright
+wincmd t
+set winminheight=0
+set winheight=1
+set winminwidth=0
+set winwidth=1
+argglobal
+if bufexists("game.h") | buffer game.h | else | edit game.h | endif
+setlocal keymap=
+setlocal noarabic
+setlocal autoindent
+setlocal backupcopy=
+setlocal balloonexpr=
+setlocal nobinary
+setlocal nobreakindent
+setlocal breakindentopt=
+setlocal bufhidden=
+setlocal buflisted
+setlocal buftype=
+setlocal cindent
+setlocal cinkeys=0{,0},0),0],:,0#,!^F,o,O,e
+setlocal cinoptions=
+setlocal cinwords=if,else,while,do,for,switch
+setlocal colorcolumn=
+setlocal comments=sO:*\ -,mO:*\ \ ,exO:*/,s1:/*,mb:*,ex:*/,://
+setlocal commentstring=/*%s*/
+setlocal complete=.,w,b,u,t,i
+setlocal concealcursor=
+setlocal conceallevel=0
+setlocal completefunc=
+setlocal nocopyindent
+setlocal cryptmethod=
+setlocal nocursorbind
+setlocal nocursorcolumn
+setlocal nocursorline
+setlocal cursorlineopt=both
+setlocal define=^\\s*#\\s*define
+setlocal dictionary=
+setlocal nodiff
+setlocal equalprg=
+setlocal errorformat=
+setlocal noexpandtab
+if &filetype != 'cpp'
+setlocal filetype=cpp
+endif
+setlocal fixendofline
+setlocal foldcolumn=0
+setlocal foldenable
+setlocal foldexpr=0
+setlocal foldignore=#
+setlocal foldlevel=0
+setlocal foldmarker={{{,}}}
+setlocal foldmethod=manual
+setlocal foldminlines=1
+setlocal foldnestmax=20
+setlocal foldtext=foldtext()
+setlocal formatexpr=
+setlocal formatoptions=croql
+setlocal formatlistpat=^\\s*\\d\\+[\\]:.)}\\t\ ]\\s*
+setlocal formatprg=
+setlocal grepprg=
+setlocal iminsert=0
+setlocal imsearch=-1
+setlocal include=^\\s*#\\s*include
+setlocal includeexpr=
+setlocal indentexpr=
+setlocal indentkeys=0{,0},0),0],:,0#,!^F,o,O,e
+setlocal noinfercase
+setlocal iskeyword=@,48-57,_,192-255
+setlocal keywordprg=
+setlocal nolinebreak
+setlocal nolisp
+setlocal lispwords=
+setlocal nolist
+setlocal makeencoding=
+setlocal makeprg=
+setlocal matchpairs=(:),{:},[:]
+setlocal modeline
+setlocal modifiable
+setlocal nrformats=bin,octal,hex
+set number
+setlocal number
+setlocal numberwidth=4
+setlocal omnifunc=ccomplete#Complete
+setlocal path=
+setlocal nopreserveindent
+setlocal nopreviewwindow
+setlocal quoteescape=\\
+setlocal noreadonly
+set relativenumber
+setlocal relativenumber
+setlocal norightleft
+setlocal rightleftcmd=search
+setlocal noscrollbind
+setlocal scrolloff=-1
+setlocal shiftwidth=4
+setlocal noshortname
+setlocal showbreak=
+setlocal sidescrolloff=-1
+setlocal signcolumn=auto
+setlocal smartindent
+setlocal softtabstop=0
+setlocal nospell
+setlocal spellcapcheck=[.?!]\\_[\\])'\"\	\ ]\\+
+setlocal spellfile=
+setlocal spelllang=en
+setlocal statusline=
+setlocal suffixesadd=
+setlocal swapfile
+setlocal synmaxcol=3000
+if &syntax != 'cpp'
+setlocal syntax=cpp
+endif
+setlocal tabstop=4
+setlocal tagcase=
+setlocal tagfunc=
+setlocal tags=
+setlocal termwinkey=
+setlocal termwinscroll=10000
+setlocal termwinsize=
+setlocal textwidth=0
+setlocal thesaurus=
+setlocal noundofile
+setlocal undolevels=-123456
+setlocal varsofttabstop=
+setlocal vartabstop=
+setlocal wincolor=
+setlocal nowinfixheight
+setlocal nowinfixwidth
+setlocal wrap
+setlocal wrapmargin=0
+silent! normal! zE
+let s:l = 13 - ((12 * winheight(0) + 24) / 49)
+if s:l < 1 | let s:l = 1 | endif
+exe s:l
+normal! zt
+13
+normal! 035|
+tabnext
 edit vect.c
 set splitbelow splitright
 set nosplitbelow
@@ -746,11 +1032,11 @@ setlocal nowinfixwidth
 setlocal wrap
 setlocal wrapmargin=0
 silent! normal! zE
-let s:l = 4 - ((3 * winheight(0) + 24) / 49)
+let s:l = 3 - ((2 * winheight(0) + 24) / 49)
 if s:l < 1 | let s:l = 1 | endif
 exe s:l
 normal! zt
-4
+3
 normal! 0
 tabnext
 edit makefile
@@ -893,7 +1179,7 @@ if s:l < 1 | let s:l = 1 | endif
 exe s:l
 normal! zt
 3
-normal! 06|
+normal! 0
 tabnext 1
 set stal=1
 badd +1 grid.c
@@ -905,6 +1191,11 @@ badd +1 makefile
 badd +17 ~/.vimrc
 badd +1 ~/.vimrs
 badd +12 session.vim
+badd +0 gamestate.h\ gamestate.c
+badd +3 game.h
+badd +0 game.c
+badd +1 gamestate.c
+badd +1 gamestate.h
 if exists('s:wipebuf') && len(win_findbuf(s:wipebuf)) == 0
   silent exe 'bwipe ' . s:wipebuf
 endif