From 2d7a45e0b535e4afeda7d01ca9690133522d83fd Mon Sep 17 00:00:00 2001
From: kts <kts@exoss.net>
Date: Sat, 28 Sep 2013 20:50:52 -0700
Subject: [PATCH] Map now resides on a multidimensional array titled
 map_matrix. This stores the Tiles in a Stack structure at each cell - I
 believe this should instead be changed so that each Tile instead has pointers
 to the previous and next Tiles, so that the map_matrix only holds Tile
 pointers rather than Stack structs containing some variable amount of Tile
 pointers. Also added a visible_matrix that denotes what tiles are visible to
 the player. This is simply a multi-dimensional array of ints that act as bit
 fields for various flags (such as TILE_VISIBLE, TILE_CAN_SEE, TILE_LIGHT_ONE,
 TILE_LIGHT_TWO, etc. - multiple light flags can be concatted to provide a
 broad array of light levels).

---
 COMPILING.txt                                 |  13 +-
 Makefile                                      |   7 +-
 NOTES                                         |   8 +
 display.h                                     |  15 ++
 game.c                                        |  42 +++-
 game.h                                        |   9 +
 interface/curses.c                            |  76 +++++--
 interface/curses.h                            |  10 +
 interface/sdl.c                               |  19 +-
 main.c                                        |   3 +
 map.h                                         |  15 ++
 player.c                                      |  17 +-
 wall.c                                        |   8 +
 wall.h                                        |  18 ++
 .../timesynk.pbxindex/cdecls.pbxbtree         | Bin 492016 -> 492288 bytes
 .../timesynk.pbxindex/decls.pbxbtree          | Bin 492148 -> 492420 bytes
 .../timesynk.pbxindex/files.pbxbtree          | Bin 6172 -> 6172 bytes
 .../timesynk.pbxindex/imports.pbxbtree        | Bin 15296 -> 15296 bytes
 .../timesynk.pbxindex/pbxindex.header         | Bin 24 -> 24 bytes
 .../timesynk.pbxindex/refs.pbxbtree           | Bin 373360 -> 373360 bytes
 .../strings.pbxstrings/control                | Bin 1048596 -> 1048596 bytes
 .../strings.pbxstrings/strings                | Bin 994274 -> 994807 bytes
 .../timesynk.pbxindex/symbols0.pbxsymbols     | Bin 1594376 -> 1597488 bytes
 xcode/timesynk.xcodeproj/kts.mode1v3          |  54 ++---
 xcode/timesynk.xcodeproj/kts.pbxuser          | 191 +++++++++---------
 xcode/timesynk.xcodeproj/project.pbxproj      |   8 +
 26 files changed, 367 insertions(+), 146 deletions(-)
 create mode 100644 NOTES
 create mode 100644 display.h
 create mode 100644 map.h
 create mode 100644 wall.c
 create mode 100644 wall.h

diff --git a/COMPILING.txt b/COMPILING.txt
index f0e1170..2acc359 100644
--- a/COMPILING.txt
+++ b/COMPILING.txt
@@ -1,12 +1,15 @@
-From the console using GNU CC and make:
+From the console using GNU CC and make (*nix):
 	make // compiles default(curses) client
   make curses // compiles curses client, linking to curses (-lcurses)
   make xcurses // compiles curses client, linking to xcurses/PDCurses library
   make sdl // compile sdl client
 
-From XCode:
-  open xcode/timesynk.xcodeproj
+From XCode (Mac OS X):
+  open xcode/timesynk.xcodeproj // opens the SDL client
 	Build & Go
 
-From Dev-Cpp:
-  ???
+From Dev-Cpp (Windows):
+  open devcpp/timesynk-pdcurses.dev // opens the curses client, linked to the PDCurses library.
+  - the pdcurses project assumes curses.h and pdcurses.lib to be in "../../PDCurses/". Once compiled, copy PDCurses.dll to the same directory as the timesynk.exe
+  open devcpp/timesynk-sdl.dev // opens the SDL client
+  - the SDL project is compiled against SDL-1.2.15, and as such, looks for SDL's "lib/" and "include/" directories in "../../SDL-1.2.15/". Copy SDL.dll to the same directory as timesynk.exe.
diff --git a/Makefile b/Makefile
index bfebd38..82c3807 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 CC = gcc
 PREFIX = ./
 BINARY=timesynk
-OBJS = main.o game.o player.o net/sockets.o
+OBJS = main.o game.o player.o wall.o net/sockets.o
 CURSES_OBJS = interface/curses.o
 SDL_OBJS = interface/sdl.o
 DEBUG = -g
@@ -28,9 +28,12 @@ all: $(BINARY)
 clean:
 	rm -f $(OBJS) $(CURSES_OBJS) $(SDL_OBJS) $(BINARY)
 
-main.o: main.c stubs.h interface/curses.c net/sockets.c
+main.o: main.c stubs.h wall.h wall.c interface/curses.c net/sockets.c
 	$(CC) $(CFLAGS) -c main.c
 
+wall.o: wall.h wall.c
+	$(CC) $(CFLAGS) -c wall.c
+
 game.o: game.h game.c
 	$(CC) $(CFLAGS) -c game.c
 
diff --git a/NOTES b/NOTES
new file mode 100644
index 0000000..9071201
--- /dev/null
+++ b/NOTES
@@ -0,0 +1,8 @@
+World draw order, if all things are drawn linearly, should be:
+  items
+  walls
+  monsters
+
+If we instead use a vague display_map that instead hosts the appearance of the item/wall/monster in a multidimensional array, we would save processing power at the expense of ram.
+  display_map[1][3] = '#';
+  display_map[1][3] = TILE_ID;
diff --git a/display.h b/display.h
new file mode 100644
index 0000000..bddf60a
--- /dev/null
+++ b/display.h
@@ -0,0 +1,15 @@
+/*
+
+*/
+#ifndef DISPLAY_H
+#define DISPLAY_H
+
+#define TILE_VISIBLE 1
+#define TILE_CAN_SEE 2
+#define TILE_LIGHT_ONE 4
+
+int display_map[32][32];
+
+int visible_matrix[15][15];
+
+#endif
diff --git a/game.c b/game.c
index 65378d4..e70ed9e 100644
--- a/game.c
+++ b/game.c
@@ -4,10 +4,42 @@
 #include "main.h"
 #include "common.h"
 #include "game.h"
+#include "wall.h"
+#include "display.h"
 
-void drawMap() {
-//  int i;
-//  for(i = updated_live_map_length;i > 0;i++) {
-//    interfaceDrawTile(updated_live_map[i].x, updated_live_map[i].y);
-//  }
+int gameInit() {
+  //Stack map_matrix[2][2]
+  map_matrix[1][1].tile[0] = (Tile*) &walls[WALL_STONE];
+  map_matrix[1][1].size = 1;
+  map_matrix[1][2].tile[0] = (Tile*) &walls[WALL_WOOD];
+  map_matrix[1][2].size = 1;
+  map_matrix[2][1].tile[0] = (Tile*) &walls[WALL_STEEL];
+  map_matrix[2][1].size = 1;
+  visible_matrix[1][1] |= TILE_VISIBLE;
+  visible_matrix[1][2] |= TILE_VISIBLE;
+  visible_matrix[2][1] |= TILE_VISIBLE;
+/*  map_walls[3][1] = &walls[WALL_STONE];
+  map_walls[3][2] = &walls[WALL_STONE];
+  map_walls[3][3] = &walls[WALL_STONE];
+  display_map[1][1] = 1;
+  display_map[1][2] = 1;
+  display_map[1][3] = 1;
+  display_map[3][1] = 1;
+  display_map[3][2] = 1;
+  display_map[3][3] = 1; */
+  return SUCCESS;
+}
+
+void gameLoop() {
+}
+
+int gameCollision(target_x, target_y) {
+  if (map_matrix[target_x][target_y].tile[0]) {
+    return 1;
+  }
+  return 0;
+}
+
+void gameUpdateTile(int x, int y) {
+  display_map[x][y] = 2;
 }
diff --git a/game.h b/game.h
index 76704ae..b0a3994 100644
--- a/game.h
+++ b/game.h
@@ -1,5 +1,8 @@
 #ifndef GAME_H
 #define GAME_H
+#include "wall.h"
+#include "display.h"
+#include "map.h"
 
 /* The Eight Holy Directions */
 #define NORTH 8
@@ -10,5 +13,11 @@
 #define NORTHWEST 9
 #define SOUTHEAST 1
 #define SOUTHWEST 3
+Stack map_matrix[15][15];
+
+int gameInit();
+void gameLoop();
+
+int gameCollision(int target_x, int target_y);
 
 #endif
diff --git a/interface/curses.c b/interface/curses.c
index 1dbebdc..3606182 100644
--- a/interface/curses.c
+++ b/interface/curses.c
@@ -2,30 +2,62 @@
 #include "curses.h"
 #include "../player.h"
 #include "../game.h"
+#include "../wall.h"
 #include "../main.h"
 #include "../common.h"
 
+/*
+Acceptable colors for foreground and background (from manpage, curs_color):
+             COLOR_BLACK
+             COLOR_RED
+             COLOR_GREEN
+             COLOR_YELLOW
+             COLOR_BLUE
+             COLOR_MAGENTA
+             COLOR_CYAN
+             COLOR_WHITE
+
+Acceptable attributes (from manpage, curs_attr):
+            A_NORMAL        Normal display (no highlight)
+            A_STANDOUT      Best highlighting mode of the terminal.
+            A_UNDERLINE     Underlining
+            A_REVERSE       Reverse video
+            A_BLINK         Blinking
+            A_DIM           Half bright
+            A_BOLD          Extra bright or bold
+            A_PROTECT       Protected mode
+            A_INVIS         Invisible or blank mode
+            A_ALTCHARSET    Alternate character set
+            A_CHARTEXT      Bit-mask to extract a character
+*/
+CursesTile ascii_walls[] = {
+  {'#', COLOR_WHITE, COLOR_BLACK, 0}, // 0=STONE_WALL
+  {'#', COLOR_YELLOW, COLOR_BLACK, 0}, // 1=WOOD_WALL
+  {'#', COLOR_WHITE, COLOR_BLACK, A_BOLD} // 2=STEEL_WALL
+};
+
 int interfaceInit() {
   // initialize ncurses library
   if ((screen = initscr()) == NULL) {
     perror("initscr() error'd");
     return ERROR;
   }
-  original_cursor = curs_set(0); // store original cursor position for restore
-
+  original_cursor = curs_set(0); // store original cursor position for restore and hide cursor
   keypad(screen, TRUE); // enable arrow keys/keypad
   noecho(); // turn off key echoing
   nonl(); // do not do NL->CR/NL on output
   cbreak(); // Handle char presses immediately, do not wait for \n
 
-  // draw a border for fun
-  box(screen, 0, 0);
-
-  mvwaddstr(screen, LINES/2-1, COLS/2-4, LOGO_STRING_A);
-  mvwaddstr(screen, LINES/2, COLS/2-4, LOGO_STRING_B);
-  mvwaddstr(screen, LINES/2+1, COLS/2-4, LOGO_STRING_C);
-  mvwaddstr(screen, LINES/2+3, COLS/2-5, "Q/q to quit");
-
+  if (has_colors()) {
+    start_color();
+    // set up all possible color pairs using COLORS as our max (8 default)
+    int x, y;
+    for (x=0;x<COLORS;x++) {
+      for(y=0;y<COLORS;y++) {
+        init_pair(x*COLORS+y, x, y);
+      }
+    }
+  }
   return SUCCESS;
 }
 
@@ -52,8 +84,28 @@ void interfaceLoop() {
 }
 
 void interfaceDraw() {
-  clear();
-  mvwaddstr(screen, player.y, player.x, "@");
+  //clear();
+  int step_x = player.x - 12;
+  int step_y = player.y - 6;
+  int end_x = player.x + 12;
+  int end_y = player.y + 6;
+  while (step_x < end_x) {
+    step_y = player.y - 6;
+    while (step_y < end_y) {
+      if (visible_matrix[step_x][step_y] & TILE_VISIBLE) {
+        //int color = temp->fg * COLORS + temp->bg;
+        //attron(COLOR_PAIR(color) | temp->attr);
+        mvwaddch(screen, step_y, step_x, ascii_walls[map_matrix[step_x][step_y].tile[0]->id].ch);
+        //attroff(COLOR_PAIR(color) | temp->attr);
+      } else {
+      	mvwaddch(screen, step_y, step_x, ' ');
+      }
+      step_y++; // move down
+    }
+    step_x++; // move right
+  }
+  // draw player last
+  mvwaddch(screen, player.y, player.x, '@');
   refresh();
 }
 
diff --git a/interface/curses.h b/interface/curses.h
index 5c9302b..c863c45 100644
--- a/interface/curses.h
+++ b/interface/curses.h
@@ -1,8 +1,18 @@
 #ifndef NCURSES_H
 #define NCURSES_H
+
 WINDOW * screen;
 int cols;
 int rows;
 
+typedef struct {
+  char ch;
+  int fg;
+  int bg;
+  int attr;
+} CursesTile;
+
+extern CursesTile ascii_walls[];
+
 int original_cursor;
 #endif
diff --git a/interface/sdl.c b/interface/sdl.c
index 3e9fd2b..f4f1fd9 100644
--- a/interface/sdl.c
+++ b/interface/sdl.c
@@ -12,7 +12,7 @@ int interfaceInit() {
   // Load it up!
   SDL_Init(SDL_INIT_EVERYTHING);
   // Set up our SDL Window
-  if ((screen = SDL_SetVideoMode(640, 480, 32, SDL_SWSURFACE)) == NULL) {
+  if ((screen = SDL_SetVideoMode(640, 384, 32, SDL_SWSURFACE)) == NULL) {
     return ERROR;
 	}
   SDL_WM_SetCaption(NAME, NULL);
@@ -51,7 +51,22 @@ void interfaceLoop() {
 void interfaceDraw() {
   // TODO: instead of redrawing whole screen, redraw last positions of tiles
   SDL_FillRect(screen, NULL, SDL_MapRGB(screen->format, 0, 0, 0));
-  SDL_Rect player_rect = {player.x*16, player.y*16, 16, 16};
+  int step_x = player.x - 12;
+  int step_y = player.y - 6;
+  int end_x = player.x + 12;
+  int end_y = player.y + 6;
+  while (step_x < end_x) {
+    step_y = player.y - 6;
+    while (step_y < end_y) {
+      if (visible_matrix[step_x][step_y] & TILE_VISIBLE) {
+        SDL_Rect wall_rect = {step_x*8, step_y*16, 8, 16};
+        SDL_FillRect(screen, &wall_rect, SDL_MapRGB(screen->format, 128, 128, 128));
+      }
+      step_y++; // move down
+    }
+    step_x++; // move right
+  }
+  SDL_Rect player_rect = {player.x*8, player.y*16, 8, 16};
 	SDL_FillRect(screen, &player_rect, SDL_MapRGB(screen->format, 255, 255, 255));
   SDL_Flip(screen); // redraw!
 }
diff --git a/main.c b/main.c
index 97b832a..1da0b75 100644
--- a/main.c
+++ b/main.c
@@ -18,11 +18,14 @@ int main(int argc, char *argv[]) {
   // h'okay, let's add our default player commands
   playerSetCommand(PLAYER_MOVE, playerMove);
 
+  gameInit();
+
   // start our program loop!
   while(is_running) {
     if (is_networking)
     	netLoop(); // handle new network input
 
+    gameLoop();
     //worldLoop();
     interfaceDraw();
     interfaceLoop(); // handle new user input, redraw screen, etc.
diff --git a/map.h b/map.h
new file mode 100644
index 0000000..f086226
--- /dev/null
+++ b/map.h
@@ -0,0 +1,15 @@
+#ifndef MAP_H
+#define MAP_H
+typedef struct {
+  int id;
+  int material;
+  char name[8];
+} Tile;
+
+typedef struct {
+  //Tile *tile[15]; // array of 16 pointers
+  int size;
+  Tile *tile[15]; // array of 16 pointers
+} Stack;
+
+#endif
diff --git a/player.c b/player.c
index d5a4b89..1ab3df4 100644
--- a/player.c
+++ b/player.c
@@ -13,16 +13,25 @@ void playerSetCommand(int command_id, void(*function)) {
 void playerMove(int direction, int distance) {
   switch(direction) {
     case NORTH:
-      player.y -= distance;
+      if (!gameCollision(player.x, (player.y-distance))) {
+        //gameUpdateTile(player.x, player.y); // set old pos to be redrawn
+        player.y -= distance;
+      }
       break;
     case SOUTH:
-      player.y += distance;
+      if (!gameCollision(player.x, player.y+distance))
+        //gameUpdateTile(player.x, player.y); // set old pos to be redrawn
+        player.y += distance;
       break;
     case EAST:
-      player.x += distance;
+      if (!gameCollision(player.x+distance, player.y))
+        //gameUpdateTile(player.x, player.y); // set old pos to be redrawn
+        player.x += distance;
       break;
     case WEST:
-      player.x -= distance;
+      if (!gameCollision(player.x-distance, player.y))
+        //gameUpdateTile(player.x, player.y); // set old pos to be redrawn
+        player.x -= distance;
       break;
   }
 }
diff --git a/wall.c b/wall.c
new file mode 100644
index 0000000..9c2cc43
--- /dev/null
+++ b/wall.c
@@ -0,0 +1,8 @@
+#include "wall.h"
+WallTile walls[] = {
+	{ WALL_STONE, MATERIAL_STONE, "stone" },
+  { WALL_WOOD, MATERIAL_WOOD, "wood" },
+  { WALL_STEEL, MATERIAL_STEEL, "steel" }
+};
+
+
diff --git a/wall.h b/wall.h
new file mode 100644
index 0000000..744fe22
--- /dev/null
+++ b/wall.h
@@ -0,0 +1,18 @@
+#ifndef WALL_H
+#define WALL_H
+/* move MATERIALs to materials.h */
+#define MATERIAL_STONE 0
+#define MATERIAL_WOOD 1
+#define MATERIAL_STEEL 2
+#define WALL_STONE 0
+#define WALL_WOOD 1
+#define WALL_STEEL 2
+typedef struct {
+  int id;
+  int material;
+  char name[8];
+} WallTile;
+
+extern WallTile walls[];
+
+#endif
diff --git a/xcode/build/timesynk.build/timesynk.pbxindex/cdecls.pbxbtree b/xcode/build/timesynk.build/timesynk.pbxindex/cdecls.pbxbtree
index bdce005153008c996672c3ee7447dc9d87d0daf1..07de67d6ff0ed4b46048b7f74188591ba22d3e49 100644
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diff --git a/xcode/build/timesynk.build/timesynk.pbxindex/decls.pbxbtree b/xcode/build/timesynk.build/timesynk.pbxindex/decls.pbxbtree
index 3bd2bfcd1fc4de718499b7129093eb6ea0dbee23..ebc7d5aa1ce6e03904503bb711749b02614e2a60 100644
GIT binary patch
delta 1175
zcmXw&ZBUd|6vxlK_j&FUyBaUc0?XU3Foa})w!=$8ft4S~bsS>}oQQR#DO60R5HgrP
z1e25CXg=5hqN3O#${Jxd=US1_WDPS~;DlrN3Mo?=2E|U}*oGZH^x-%2pXa&v+;h(V
zoM3Bm>%QbevHBi><v5hM(JqALV4&8%$;A@Q;hZh0Jopy~>pZ|0UlQj5cKd-B%@I%k
zPar=xfiZ{a&08<{;%&1tFEucdSD~>4Gp;a)KFyk*!h%3sVO(mY9Ynn!Al?h&9sprf
zn}fbIdgLnb;6>sxKv)$~2{0Zc{w8h#Oz=R+x4n#FEe2|ix9nscYR<(n9;R$tR9qFa
z@39I?8wiU@98vi{viH`pMEoh5mpS?35(Ng}iy;uQANbr+;v)(?3-Ik{%46q!VJsRK
zl6i@h2Y;oko&(UP)#FY+Zp(}ULnH#6_YpNjBhf|-0(@#C3W0CwrU!1&y&7EY<|$a^
z=6R~i&3|~7MPf}S&rA@O9$-B$0BiCQuK-J10W512_>oaH*vU6Uv3M2wn2$fX+y=s1
z3^2T&!tKJze|eKCUE&ceDGIcm6#%!EfR$7OTjK>bc7WJVh5doecla7Lbce@xvlu+n
zCDH^B&f`Lt$Tfu}LzQ-m9fDePfZBsZml}IVlt01}&~-^{H-yDcANx&aiB%t75|fWI
zCpJ5^vxd-L1>?1P^td#)+UL?bT9WLbZzcz$ZxZuV_Y^Tp%n;XbrC-Y-Q{Kd_e!9`;
z*KXWLrd?8pPHV^RWf7|Qg65OVhP~5Trok8gq}gi1Gt*kBN}th2hcG->mw5BA?h?Xi
z#AT-LQ@c&Q-p1Zi*ZcMAEE*tvrXJW_712OXa`c|l8`bzZz5M}lypqdZ1`le$9_pcT
zZ0Z`9o){K~s~s|lZ1{lcoFv{QJ|}vKv&2R8IOHZAnHLhja>!GZ^cB?_FC(K#O{>l<
z`A;G>rDKEKOyyn1iIB)vu^zcB48y;d2HsyLi|FL<SVKY`Et8>*jwpcItpIN~18?BK
zyLy2Sd`-5#gu{K3_Tu%ulwqFA_RC_8V%H7Gy@oLAfVJFK3j;DNh64VKp_B447K_Cr
z@<D7Ek=g3~5!vlvE-ajqNp#{jteBF|t8b=cWd@C#OBf~L{EbrJ?g*O9gJfR_>x2<d
zt2E<85{ts?D~!8K`HQ)*HWsr}jC?$HTpH@d6yupV8lH)@M!XEpQJy=ny<8SydV#T0
zl@}N(39E$l3bp(@`Zr3(4Uz63JxsclbQS57r29zMVoxbcSErvcLRNNIjcqeNapJ@@
l)2*8GW!n8GsOML){eo72r%te9J>u?`q1VmVncMak{RfoCaF+l8

delta 1001
zcmW-feN5F=7{{OIoZs*KxDfGnfqS{v`vMXpl7{RC5)qm-@ufy^15&}Mm1YWSXe(X0
z!4|SK>SsKlxGZl**{1I54pS1^bfejZu3XaiLl<tXXlfUW6-ker?X&ajygcXoe4o?t
zo^QIt*PUsu07(4sw0BLq6tS%6>*>!2Fv}haHRiy%^8n|50%(bVczTLi3y{$UaBCmH
zOLM%pJX-pM2hnBMl~mbBO0uy&I#jaO;QOxfkX=(=hLh3Ga!*cT3dptyKvo^dIIzz&
z=VpSV3Ba)qU~HQCi<tqqB4{QegVDqd4Phzc@}pbMwr|4~dMbeVPq93wb~R!8&IA$5
z01@*s0bTk7ezFwZbloY!X;K{rF?E9Zk~7`{xO9dl`VGHsP8Zz{Or<+MQJnzB4Zvt0
z^O;`m7h`FrA1vvmK(TPs(qa*eZ~Op6;~<Egzte_du|(pdow~PJjBUnb+R`f)d9Z&6
z;O=JTZNS_hVBrXej~{SJpXwE>QqiktzY=3FI8s5@RRRoE(e?ktZaX>N(6#qPGP+a1
z*wz3rb04sJ6JSvt;OKs)i}ucmA_)fv^r<=FIfUu-eV@#wdwnt_dRlCZFVMAz<ZF^`
zaIpp1%tAeSMAlcZ4S@-{)fVwS{l$d*aT)q(kKedT;efH&ekeYUl7fcP`vb;-cJ7H;
z!##2S!Q7_Oh!J9kz0?{pidki{J{B>4dxX0X)ZLejlMiD+SN?1?D@>uIH;hHJuV47=
z&0Xa>@1`+wnpc1Q$jqe_+iaSzvBfsq(r~4oJZ^3(Omu>Ivkh>niP=RB*UUHP4~<<j
z-+v4}v`(n)5|{LIZJGKPp;l*5%P1-exs{8yy47=h+Dq@gqZEDPRu@@Rj_$}(DNc@Z
zb#I~i*UOb2T%~I0>Z~k8(9YE=$-&Mo467>I9#$3e@0|#%*)??AsZ<gi-UDKn0MU08
z#K5;Sa!iHnja?P`@rbH4I9uz0ddtH0e}IR+GoTz9{8%2%UQo}Viz<iJV)6G5Y8_TZ
z`txDc<3>M~kE;c=eq6o60!GGFb3Xr;fV8S@^WHMLIEZ_7fng0UV6P^FR>;0vmhr$q
zI(b%E`i*RBy$hXmrOe8rKg+C_S#X@Lf6~hK6o}ZTAf^>ai$7Sbhq=q~5YMkN=Q+N>
ab0_m1_19vazWky!n}E;i(T&#E{{I1U`8qcM

diff --git a/xcode/build/timesynk.build/timesynk.pbxindex/files.pbxbtree b/xcode/build/timesynk.build/timesynk.pbxindex/files.pbxbtree
index 67744a233cc3ecb60665b3fe0509d70db97b31d9..309173818e8e51aa97bbb8d31b9513b67d923bd2 100644
GIT binary patch
delta 114
zcmbPZFvnnmIOFY!61v>X+*u4vpKmZQeeu~CAT1Us%)lTn!NByA1&GyvcqaqXs}`V&
zCI)8qKR~<<h!-<3bJa62b65iDl|Y@`KztRb<{JYu_cNe;JW!4YNb@o<{bt_0M=XI6
E0P9^G^#A|>

delta 114
zcmbPZFvnnmIOFw+61v<>pCcKVIb<1_KCj#uAT1Wi&%huq!NByA1&GyvcqaqXs}`WF
z83Qx>A0XZa#EXG^0iZ5R2Bz;x3`}3RfovY2I4=X!Z)OIjpVxu37!W%FasTE$VhM}@
Dvl<=g

diff --git a/xcode/build/timesynk.build/timesynk.pbxindex/imports.pbxbtree b/xcode/build/timesynk.build/timesynk.pbxindex/imports.pbxbtree
index 6d1fc6fd59811b1fdc943ec88c766d48ab97dc62..47a107d11d694a43b9c78a41b9d174e71462e517 100644
GIT binary patch
delta 237
zcmX?5exQ7Uc;p2J28KmI3<H8d#uWx;j&dL_24VpQrZ4;qOrP5rn7LmuFmtU1@&kb4
zr9e7_f$3`zP&|);nf(m|(`!ivrtWYCrujg6!M2SBUgmb6JAl$<KyB-R%EN%#M1V&1
z0BIp0-364Z0LpCy%0&RNFi@-yC<Zi=Ycr4^v-yYlaVAp{1_o=8wh2I~0-$gdP`VY!
pE&<{<K=xK3ZU^G+K->v*$t$3mpvgC^lqZW@D>Ho&oNQy=0sttgIKlt`

delta 213
zcmX?5exQ7Uc;pEN28KmI3<Cl{#uWx;j&dL_24VpQrtfJCOrNcQcr63d7k;2vDUiL9
zf$3`zkd9?wW`D!L^jeaEsXLs3X+Dr%u#JJiU3g=Gm$}{d44@JlAWjD2%|NXpK-vLF
z3jvMI0<!IZI2DMu0{J;W+6jmgfp{m-D&fsP%#Slk@-i@3gS5p1@phoFAkfBFK=%5{
XU#yfTmvG8V7PnSr`s^~<#<~Rnyt6y}

diff --git a/xcode/build/timesynk.build/timesynk.pbxindex/pbxindex.header b/xcode/build/timesynk.build/timesynk.pbxindex/pbxindex.header
index 536b12cff34cdebd974dee7df3448caef8d8fd78..0dd73d72d90e5775de5195d66843a87a1527b98e 100644
GIT binary patch
literal 24
ccmXTO%&TBvV3B5E`f{3qfk6t09f6n;07F{?`~Uy|

literal 24
ccmXTO%&TBvV3B5E`eMSsz#ss``asMG06P2wNdN!<

diff --git a/xcode/build/timesynk.build/timesynk.pbxindex/refs.pbxbtree b/xcode/build/timesynk.build/timesynk.pbxindex/refs.pbxbtree
index bb85351a8d5d647edc52d47383213b8bd60747fe..f578f3ffc5252d7b92d13235472994a70547e7cd 100644
GIT binary patch
delta 1997
zcmZuyeN<Id7Qg$Pb9wk44>S=)m?S|!Q&&?=OALdj<}w1)Qm3qG`IVuJpn!@a3MdtY
zqrf8$CW0SiJS?+rtvwT#U?R>eZEU7lWBCDUOh!);xs8Llrun^Dv)24Gcdg$#XYaf3
z-oJhJ-sj%@CgSEd5tSp&#fBmN@P70|?&Kyzx-J>QK50ltn;{1FLw+A}4dkPc>mZjw
zegX2QkPkpU0QuKexqIV1E-`QkidUdmVui#MyQ#*zebOeXwSp(l_!$*j8Ba_jDILqa
z<r(8#!tR3MdElb=os4R0PUe{h$>WVKxf41s)1Z{AhIly2kko3$l^*-KelkJ?dB6Lh
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zbHnLbtLUrI6lD96#wu^k*XjCEkIJ<coG%<ErK{X~*8d}Adrx2g0#d!V{)PwZtKRM#
zZ(3XWyaWbUtnmJo<dCj|h_v1+yY-T!9LxWMhZ3Z7KXmbibbbjm;E?uU{XMW3`+Zoy
z0M2_S-d?DW=gG&df!lj0&~#lhmaaR*Ko98tNteXZXx<-7Ge?N#X?$%8JsnONIwg}{
zhRF?>{6@EB(jm^DLpvfs?k!d?QfCM~rBAP=sqD<7;lz>o)EhzzwJM?eq;yv4#1a~G
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zT!uwGLi`bHD<@S7H-g%|AfBbus>DID>m=W;5*;E;x>{g&7<dP0=Cd{8uoU(NE~yj!
zqg~SZTe#4`E-tdfh<gyML)UbOUXhgz3fowAimg%5R&e<h5#^>#-P9-MK~b&kKJj<H
zbW@BQsdwh9ARZDd!^tHb`G|A|E|2QyA##?`Y5&Q^<&<edX(?xnmOCgYr{553(zrWH
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zk@51cVbEOA<;l{6)GENi3%tQ!Cd-dP5N11=<noWR<h}9e(`_8RTK3&b>vYI=`4NJ)
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zqn9_UcI4l!6Mbr`&O2h3^DUn`6M>^?Yf}sG>RWxbk(TIn?P`hsbGy3EoyXPIXcwBx
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z&oSe5!wQ+C)1NdylcK8&h4@w<YeQoV&NZi}QZ=VknoitOOL=y!`875#bKD+t6$!ga
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Ths{PB^52SFn!sz0n0M*l?^mRe

delta 1777
zcmXX`eNdKF7Qg3yyddujO1^>!Dhh)5wWf@NhRa80WPqShQths~Iu;5D=!(jW=;{oC
z8u+M(%7sj7cu^a+r#g*RYJ%jht1wy9x|XgVjZ?1zKDvrEx(9dv_{}}%ew_2W=XdVy
zy%yGcEvzowgbE=${~9$tc;*X2I{SsZ;}R<1INN!Qy^KEgKjSfzv4U}w{V#aTXH+vz
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zV*Ve6$bH?;%sMv>(ygef2O-W{A#<|?BwrPBMx-6P`Ph?CXkGhozx}%HfdF{-pnwBU
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kryHZ*H}O<^(4?>u$LY)mrV0LE@mGDih90(=vd3cn7kEyFK>z>%

diff --git a/xcode/build/timesynk.build/timesynk.pbxindex/strings.pbxstrings/control b/xcode/build/timesynk.build/timesynk.pbxindex/strings.pbxstrings/control
index 03553eda2592a70a7439a4143df016e9565dae0d..27b72c88f7bbf48cbe6d8dafafbbdcb2d7e843e7 100644
GIT binary patch
delta 2110
zcmXw4dr(y86~E^`_uk#TcNf`ZQ5e817+{x&@~Da8nurEvuqud;RhJmFPN)S_P#laf
z!O<i{-2uF|Aqh^9F;y|T!fB?aYJ4Oa#UT}C;)tPEo0?I;`iSX3?YS_$|9s#1&iT&c
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diff --git a/xcode/build/timesynk.build/timesynk.pbxindex/strings.pbxstrings/strings b/xcode/build/timesynk.build/timesynk.pbxindex/strings.pbxstrings/strings
index 456adee5f7fb189007f33fb6c26958b7f1f5531e..c42ce15114bd5ce78bde9ac0d8c0d9dd1450c67e 100644
GIT binary patch
delta 577
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delta 39
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diff --git a/xcode/build/timesynk.build/timesynk.pbxindex/symbols0.pbxsymbols b/xcode/build/timesynk.build/timesynk.pbxindex/symbols0.pbxsymbols
index 4cf6df7f14d78efe845b75403c9ece7e45a71549..0ddb05987249020ac31e8b8620babf2d12ac00a8 100644
GIT binary patch
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diff --git a/xcode/timesynk.xcodeproj/kts.mode1v3 b/xcode/timesynk.xcodeproj/kts.mode1v3
index bcb32e9..3930d03 100644
--- a/xcode/timesynk.xcodeproj/kts.mode1v3
+++ b/xcode/timesynk.xcodeproj/kts.mode1v3
@@ -308,7 +308,7 @@
 								<key>PBXProjectModuleGUID</key>
 								<string>1CE0B20306471E060097A5F4</string>
 								<key>PBXProjectModuleLabel</key>
-								<string>player.c</string>
+								<string>sdl.c</string>
 								<key>PBXSplitModuleInNavigatorKey</key>
 								<dict>
 									<key>Split0</key>
@@ -316,26 +316,27 @@
 										<key>PBXProjectModuleGUID</key>
 										<string>1CE0B20406471E060097A5F4</string>
 										<key>PBXProjectModuleLabel</key>
-										<string>player.c</string>
+										<string>sdl.c</string>
 										<key>_historyCapacity</key>
 										<integer>0</integer>
 										<key>bookmark</key>
-										<string>20568DFA17EC16C60022F314</string>
+										<string>203B68E717F7DA2400272675</string>
 										<key>history</key>
 										<array>
 											<string>20567ECA17E95DEC0002B1A9</string>
 											<string>20567ECF17E95DEC0002B1A9</string>
-											<string>20567EE317E95E0D0002B1A9</string>
 											<string>2090289817E95F9E0051A253</string>
 											<string>2090289D17E95F9E0051A253</string>
 											<string>20D2707917E962A1005B3EA0</string>
 											<string>20D2707A17E962A1005B3EA0</string>
 											<string>2002F0D917E972B3003CF277</string>
-											<string>20568DE617EC16C60022F314</string>
 											<string>20568DE717EC16C60022F314</string>
 											<string>20568DE817EC16C60022F314</string>
 											<string>20568DE917EC16C60022F314</string>
-											<string>20568DEA17EC16C60022F314</string>
+											<string>2007C92E17ECF2EB00268653</string>
+											<string>2050562017ED9E6100F572B7</string>
+											<string>203B68D117F7D77900272675</string>
+											<string>203B68D217F7D77900272675</string>
 										</array>
 										<key>prevStack</key>
 										<array>
@@ -351,10 +352,9 @@
 											<string>2090289E17E95F9E0051A253</string>
 											<string>2090289F17E95F9E0051A253</string>
 											<string>209028A517E95F9E0051A253</string>
-											<string>20568DEB17EC16C60022F314</string>
-											<string>20568DEC17EC16C60022F314</string>
-											<string>20568DED17EC16C60022F314</string>
-											<string>20568DEE17EC16C60022F314</string>
+											<string>2007C93017ECF2EB00268653</string>
+											<string>2050562217ED9E6100F572B7</string>
+											<string>203B68D317F7D77900272675</string>
 										</array>
 									</dict>
 									<key>SplitCount</key>
@@ -414,9 +414,9 @@
 			</array>
 			<key>TableOfContents</key>
 			<array>
-				<string>20568DF017EC16C60022F314</string>
+				<string>203B68D517F7D77900272675</string>
 				<string>1CE0B1FE06471DED0097A5F4</string>
-				<string>20568DF117EC16C60022F314</string>
+				<string>203B68D617F7D77900272675</string>
 				<string>1CE0B20306471E060097A5F4</string>
 				<string>1CE0B20506471E060097A5F4</string>
 			</array>
@@ -552,8 +552,8 @@
 	<array>
 		<string>1C78EAAD065D492600B07095</string>
 		<string>1CD10A99069EF8BA00B06720</string>
-		<string>20F6A1B417E95A6200BAD261</string>
 		<string>/Users/kts/Devel/timesynk/xcode/timesynk.xcodeproj</string>
+		<string>20F6A1B417E95A6200BAD261</string>
 	</array>
 	<key>WindowString</key>
 	<string>68 125 788 504 0 0 1024 746 </string>
@@ -572,12 +572,14 @@
 					<key>Dock</key>
 					<array>
 						<dict>
+							<key>BecomeActive</key>
+							<true/>
 							<key>ContentConfiguration</key>
 							<dict>
 								<key>PBXProjectModuleGUID</key>
 								<string>1CD0528F0623707200166675</string>
 								<key>PBXProjectModuleLabel</key>
-								<string></string>
+								<string>sdl.c</string>
 								<key>StatusBarVisibility</key>
 								<true/>
 							</dict>
@@ -586,7 +588,7 @@
 								<key>Frame</key>
 								<string>{{0, 0}, {500, 218}}</string>
 								<key>RubberWindowFrame</key>
-								<string>139 177 500 500 0 0 1024 746 </string>
+								<string>53 221 500 500 0 0 1024 746 </string>
 							</dict>
 							<key>Module</key>
 							<string>PBXNavigatorGroup</string>
@@ -610,7 +612,7 @@
 								<key>Frame</key>
 								<string>{{0, 223}, {500, 236}}</string>
 								<key>RubberWindowFrame</key>
-								<string>139 177 500 500 0 0 1024 746 </string>
+								<string>53 221 500 500 0 0 1024 746 </string>
 							</dict>
 							<key>Module</key>
 							<string>PBXBuildResultsModule</string>
@@ -633,18 +635,18 @@
 			<key>TableOfContents</key>
 			<array>
 				<string>20F6A1B417E95A6200BAD261</string>
-				<string>20568DF217EC16C60022F314</string>
+				<string>203B68D717F7D77900272675</string>
 				<string>1CD0528F0623707200166675</string>
 				<string>XCMainBuildResultsModuleGUID</string>
 			</array>
 			<key>ToolbarConfiguration</key>
 			<string>xcode.toolbar.config.buildV3</string>
 			<key>WindowString</key>
-			<string>139 177 500 500 0 0 1024 746 </string>
+			<string>53 221 500 500 0 0 1024 746 </string>
 			<key>WindowToolGUID</key>
 			<string>20F6A1B417E95A6200BAD261</string>
 			<key>WindowToolIsVisible</key>
-			<false/>
+			<true/>
 		</dict>
 		<dict>
 			<key>FirstTimeWindowDisplayed</key>
@@ -753,13 +755,13 @@
 			<key>TableOfContents</key>
 			<array>
 				<string>1CD10A99069EF8BA00B06720</string>
-				<string>20568DF317EC16C60022F314</string>
+				<string>203B68DA17F7D82800272675</string>
 				<string>1C162984064C10D400B95A72</string>
-				<string>20568DF417EC16C60022F314</string>
-				<string>20568DF517EC16C60022F314</string>
-				<string>20568DF617EC16C60022F314</string>
-				<string>20568DF717EC16C60022F314</string>
-				<string>20568DF817EC16C60022F314</string>
+				<string>203B68DB17F7D82800272675</string>
+				<string>203B68DC17F7D82800272675</string>
+				<string>203B68DD17F7D82800272675</string>
+				<string>203B68DE17F7D82800272675</string>
+				<string>203B68DF17F7D82800272675</string>
 			</array>
 			<key>ToolbarConfiguration</key>
 			<string>xcode.toolbar.config.debugV3</string>
@@ -921,7 +923,7 @@
 			<key>TableOfContents</key>
 			<array>
 				<string>1C78EAAD065D492600B07095</string>
-				<string>20568DF917EC16C60022F314</string>
+				<string>203B68E017F7D82800272675</string>
 				<string>1C78EAAC065D492600B07095</string>
 			</array>
 			<key>ToolbarConfiguration</key>
diff --git a/xcode/timesynk.xcodeproj/kts.pbxuser b/xcode/timesynk.xcodeproj/kts.pbxuser
index 7b4dd48..325bc1d 100644
--- a/xcode/timesynk.xcodeproj/kts.pbxuser
+++ b/xcode/timesynk.xcodeproj/kts.pbxuser
@@ -32,6 +32,84 @@
 		rLen = 0;
 		rLoc = 2147483647;
 	};
+	2007C92E17ECF2EB00268653 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 20568DD417EBE9490022F314 /* player.c */;
+		name = "player.c: 23";
+		rLen = 0;
+		rLoc = 614;
+		rType = 0;
+		vrLen = 508;
+		vrLoc = 0;
+	};
+	2007C93017ECF2EB00268653 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 20568DD417EBE9490022F314 /* player.c */;
+		name = "player.c: 23";
+		rLen = 0;
+		rLoc = 614;
+		rType = 0;
+		vrLen = 508;
+		vrLoc = 0;
+	};
+	203B68D117F7D77900272675 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 20F6A1D417E95AD300BAD261 /* stubs.h */;
+		name = "stubs.h: 1";
+		rLen = 0;
+		rLoc = 0;
+		rType = 0;
+		vrLen = 350;
+		vrLoc = 0;
+	};
+	203B68D217F7D77900272675 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		comments = "error: 'map_walls' undeclared (first use in this function)";
+		fRef = 20F6A1F017E95B6F00BAD261 /* sdl.c */;
+		rLen = 1;
+		rLoc = 57;
+		rType = 1;
+	};
+	203B68D317F7D77900272675 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 20F6A1D417E95AD300BAD261 /* stubs.h */;
+		name = "stubs.h: 1";
+		rLen = 0;
+		rLoc = 0;
+		rType = 0;
+		vrLen = 350;
+		vrLoc = 0;
+	};
+	203B68E717F7DA2400272675 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 20F6A1F017E95B6F00BAD261 /* sdl.c */;
+		name = "sdl.c: 77";
+		rLen = 0;
+		rLoc = 2111;
+		rType = 0;
+		vrLen = 760;
+		vrLoc = 1276;
+	};
+	2050562017ED9E6100F572B7 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 20568DD217EBE9490022F314 /* game.c */;
+		name = "game.c: 12";
+		rLen = 31;
+		rLoc = 149;
+		rType = 0;
+		vrLen = 247;
+		vrLoc = 0;
+	};
+	2050562217ED9E6100F572B7 /* PBXTextBookmark */ = {
+		isa = PBXTextBookmark;
+		fRef = 20568DD217EBE9490022F314 /* game.c */;
+		name = "game.c: 12";
+		rLen = 31;
+		rLoc = 149;
+		rType = 0;
+		vrLen = 247;
+		vrLoc = 0;
+	};
 	20567ECA17E95DEC0002B1A9 /* PBXTextBookmark */ = {
 		isa = PBXTextBookmark;
 		fRef = 20F6A1C417E95AD300BAD261 /* common.h */;
@@ -72,33 +150,20 @@
 		vrLen = 62;
 		vrLoc = 0;
 	};
-	20567EE317E95E0D0002B1A9 /* PBXTextBookmark */ = {
-		isa = PBXTextBookmark;
-		fRef = 20F6A1D417E95AD300BAD261 /* stubs.h */;
-		name = "stubs.h: 1";
-		rLen = 0;
-		rLoc = 0;
-		rType = 0;
-		vrLen = 332;
-		vrLoc = 0;
+	20568DD217EBE9490022F314 /* game.c */ = {
+		uiCtxt = {
+			sepNavIntBoundsRect = "{{0, 0}, {519, 476}}";
+			sepNavSelRange = "{149, 31}";
+			sepNavVisRange = "{0, 247}";
+		};
 	};
 	20568DD417EBE9490022F314 /* player.c */ = {
 		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {519, 392}}";
+			sepNavIntBoundsRect = "{{0, 0}, {519, 462}}";
 			sepNavSelRange = "{614, 0}";
-			sepNavVisRange = "{0, 483}";
+			sepNavVisRange = "{0, 508}";
 		};
 	};
-	20568DE617EC16C60022F314 /* PBXTextBookmark */ = {
-		isa = PBXTextBookmark;
-		fRef = 20F6A1F017E95B6F00BAD261 /* sdl.c */;
-		name = "sdl.c: 37";
-		rLen = 0;
-		rLoc = 833;
-		rType = 0;
-		vrLen = 401;
-		vrLoc = 355;
-	};
 	20568DE717EC16C60022F314 /* PBXTextBookmark */ = {
 		isa = PBXTextBookmark;
 		fRef = 20F6A1CF17E95AD300BAD261 /* main.h */;
@@ -129,60 +194,6 @@
 		vrLen = 374;
 		vrLoc = 0;
 	};
-	20568DEA17EC16C60022F314 /* PBXBookmark */ = {
-		isa = PBXBookmark;
-		fRef = 20568DD417EBE9490022F314 /* player.c */;
-	};
-	20568DEB17EC16C60022F314 /* PBXTextBookmark */ = {
-		isa = PBXTextBookmark;
-		fRef = 20F6A1F017E95B6F00BAD261 /* sdl.c */;
-		name = "sdl.c: 37";
-		rLen = 0;
-		rLoc = 833;
-		rType = 0;
-		vrLen = 401;
-		vrLoc = 355;
-	};
-	20568DEC17EC16C60022F314 /* PBXTextBookmark */ = {
-		isa = PBXTextBookmark;
-		fRef = 20F6A1CF17E95AD300BAD261 /* main.h */;
-		name = "main.h: 1";
-		rLen = 0;
-		rLoc = 0;
-		rType = 0;
-		vrLen = 73;
-		vrLoc = 0;
-	};
-	20568DED17EC16C60022F314 /* PBXTextBookmark */ = {
-		isa = PBXTextBookmark;
-		fRef = 2090287B17E95E780051A253 /* timesynk_Prefix.pch */;
-		name = "timesynk_Prefix.pch: 1";
-		rLen = 0;
-		rLoc = 0;
-		rType = 0;
-		vrLen = 179;
-		vrLoc = 0;
-	};
-	20568DEE17EC16C60022F314 /* PBXTextBookmark */ = {
-		isa = PBXTextBookmark;
-		fRef = 002F3A2B09D0888800EBEB88 /* SDLMain.h */;
-		name = "SDLMain.h: 1";
-		rLen = 0;
-		rLoc = 0;
-		rType = 0;
-		vrLen = 374;
-		vrLoc = 0;
-	};
-	20568DFA17EC16C60022F314 /* PBXTextBookmark */ = {
-		isa = PBXTextBookmark;
-		fRef = 20568DD417EBE9490022F314 /* player.c */;
-		name = "player.c: 29";
-		rLen = 0;
-		rLoc = 614;
-		rType = 0;
-		vrLen = 483;
-		vrLoc = 0;
-	};
 	2090287B17E95E780051A253 /* timesynk_Prefix.pch */ = {
 		uiCtxt = {
 			sepNavIntBoundsRect = "{{0, 0}, {600, 253}}";
@@ -350,9 +361,9 @@
 	};
 	20F6A1D417E95AD300BAD261 /* stubs.h */ = {
 		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {1026, 230}}";
+			sepNavIntBoundsRect = "{{0, 0}, {1026, 253}}";
 			sepNavSelRange = "{0, 0}";
-			sepNavVisRange = "{0, 332}";
+			sepNavVisRange = "{0, 350}";
 		};
 	};
 	20F6A1E917E95B5200BAD261 /* PBXTextBookmark */ = {
@@ -377,9 +388,9 @@
 	};
 	20F6A1F017E95B6F00BAD261 /* sdl.c */ = {
 		uiCtxt = {
-			sepNavIntBoundsRect = "{{0, 0}, {519, 798}}";
-			sepNavSelRange = "{833, 0}";
-			sepNavVisRange = "{355, 401}";
+			sepNavIntBoundsRect = "{{0, 0}, {516, 1008}}";
+			sepNavSelRange = "{2111, 0}";
+			sepNavVisRange = "{1822, 289}";
 		};
 	};
 	20F6A1F117E95B6F00BAD261 /* sdl.h */ = {
@@ -450,26 +461,26 @@
 					PBXFileDataSource_Target_ColumnID,
 				);
 			};
-			PBXPerProjectTemplateStateSaveDate = 401336609;
-			PBXWorkspaceStateSaveDate = 401336609;
+			PBXPerProjectTemplateStateSaveDate = 402118495;
+			PBXWorkspaceStateSaveDate = 402118495;
 		};
 		perUserProjectItems = {
 			2002F0D917E972B3003CF277 /* PlistBookmark */ = 2002F0D917E972B3003CF277 /* PlistBookmark */;
+			2007C92E17ECF2EB00268653 /* PBXTextBookmark */ = 2007C92E17ECF2EB00268653 /* PBXTextBookmark */;
+			2007C93017ECF2EB00268653 /* PBXTextBookmark */ = 2007C93017ECF2EB00268653 /* PBXTextBookmark */;
+			203B68D117F7D77900272675 /* PBXTextBookmark */ = 203B68D117F7D77900272675 /* PBXTextBookmark */;
+			203B68D217F7D77900272675 /* PBXTextBookmark */ = 203B68D217F7D77900272675 /* PBXTextBookmark */;
+			203B68D317F7D77900272675 /* PBXTextBookmark */ = 203B68D317F7D77900272675 /* PBXTextBookmark */;
+			203B68E717F7DA2400272675 /* PBXTextBookmark */ = 203B68E717F7DA2400272675 /* PBXTextBookmark */;
+			2050562017ED9E6100F572B7 /* PBXTextBookmark */ = 2050562017ED9E6100F572B7 /* PBXTextBookmark */;
+			2050562217ED9E6100F572B7 /* PBXTextBookmark */ = 2050562217ED9E6100F572B7 /* PBXTextBookmark */;
 			20567ECA17E95DEC0002B1A9 /* PBXTextBookmark */ = 20567ECA17E95DEC0002B1A9 /* PBXTextBookmark */;
 			20567ECF17E95DEC0002B1A9 /* PBXTextBookmark */ = 20567ECF17E95DEC0002B1A9 /* PBXTextBookmark */;
 			20567ED217E95DEC0002B1A9 /* PBXTextBookmark */ = 20567ED217E95DEC0002B1A9 /* PBXTextBookmark */;
 			20567ED517E95DEC0002B1A9 /* PBXTextBookmark */ = 20567ED517E95DEC0002B1A9 /* PBXTextBookmark */;
-			20567EE317E95E0D0002B1A9 /* PBXTextBookmark */ = 20567EE317E95E0D0002B1A9 /* PBXTextBookmark */;
-			20568DE617EC16C60022F314 /* PBXTextBookmark */ = 20568DE617EC16C60022F314 /* PBXTextBookmark */;
 			20568DE717EC16C60022F314 /* PBXTextBookmark */ = 20568DE717EC16C60022F314 /* PBXTextBookmark */;
 			20568DE817EC16C60022F314 /* PBXTextBookmark */ = 20568DE817EC16C60022F314 /* PBXTextBookmark */;
 			20568DE917EC16C60022F314 /* PBXTextBookmark */ = 20568DE917EC16C60022F314 /* PBXTextBookmark */;
-			20568DEA17EC16C60022F314 /* PBXBookmark */ = 20568DEA17EC16C60022F314 /* PBXBookmark */;
-			20568DEB17EC16C60022F314 /* PBXTextBookmark */ = 20568DEB17EC16C60022F314 /* PBXTextBookmark */;
-			20568DEC17EC16C60022F314 /* PBXTextBookmark */ = 20568DEC17EC16C60022F314 /* PBXTextBookmark */;
-			20568DED17EC16C60022F314 /* PBXTextBookmark */ = 20568DED17EC16C60022F314 /* PBXTextBookmark */;
-			20568DEE17EC16C60022F314 /* PBXTextBookmark */ = 20568DEE17EC16C60022F314 /* PBXTextBookmark */;
-			20568DFA17EC16C60022F314 /* PBXTextBookmark */ = 20568DFA17EC16C60022F314 /* PBXTextBookmark */;
 			2090289817E95F9E0051A253 /* PBXTextBookmark */ = 2090289817E95F9E0051A253 /* PBXTextBookmark */;
 			2090289D17E95F9E0051A253 /* PBXTextBookmark */ = 2090289D17E95F9E0051A253 /* PBXTextBookmark */;
 			2090289E17E95F9E0051A253 /* PBXTextBookmark */ = 2090289E17E95F9E0051A253 /* PBXTextBookmark */;
diff --git a/xcode/timesynk.xcodeproj/project.pbxproj b/xcode/timesynk.xcodeproj/project.pbxproj
index 4ee7fad..5d4b025 100644
--- a/xcode/timesynk.xcodeproj/project.pbxproj
+++ b/xcode/timesynk.xcodeproj/project.pbxproj
@@ -11,6 +11,7 @@
 		002F3A0009D0884600EBEB88 /* SDL.framework in Copy Frameworks into .app bundle */ = {isa = PBXBuildFile; fileRef = 002F39F909D0881F00EBEB88 /* SDL.framework */; };
 		002F3A2E09D0888800EBEB88 /* SDLMain.m in Sources */ = {isa = PBXBuildFile; fileRef = 002F3A2C09D0888800EBEB88 /* SDLMain.m */; };
 		002F3AF109D08F1000EBEB88 /* SDLMain.nib in Resources */ = {isa = PBXBuildFile; fileRef = 002F3AEF09D08F1000EBEB88 /* SDLMain.nib */; };
+		2050563317ED9E9700F572B7 /* wall.c in Sources */ = {isa = PBXBuildFile; fileRef = 2050563117ED9E9700F572B7 /* wall.c */; };
 		20568DD617EBE9490022F314 /* game.c in Sources */ = {isa = PBXBuildFile; fileRef = 20568DD217EBE9490022F314 /* game.c */; };
 		20568DD717EBE9490022F314 /* player.c in Sources */ = {isa = PBXBuildFile; fileRef = 20568DD417EBE9490022F314 /* player.c */; };
 		20F6A1C317E95AAA00BAD261 /* main.c in Sources */ = {isa = PBXBuildFile; fileRef = 20F6A1C217E95AAA00BAD261 /* main.c */; };
@@ -43,6 +44,9 @@
 		002F3AF009D08F1000EBEB88 /* English */ = {isa = PBXFileReference; lastKnownFileType = wrapper.nib; name = English; path = English.lproj/SDLMain.nib; sourceTree = "<group>"; };
 		089C165DFE840E0CC02AAC07 /* English */ = {isa = PBXFileReference; fileEncoding = 10; lastKnownFileType = text.plist.strings; name = English; path = English.lproj/InfoPlist.strings; sourceTree = "<group>"; };
 		1058C7A1FEA54F0111CA2CBB /* Cocoa.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = Cocoa.framework; path = /System/Library/Frameworks/Cocoa.framework; sourceTree = "<absolute>"; };
+		2050563017ED9E9700F572B7 /* display.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = display.h; path = ../display.h; sourceTree = SOURCE_ROOT; };
+		2050563117ED9E9700F572B7 /* wall.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = wall.c; path = ../wall.c; sourceTree = SOURCE_ROOT; };
+		2050563217ED9E9700F572B7 /* wall.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = wall.h; path = ../wall.h; sourceTree = SOURCE_ROOT; };
 		20568DD217EBE9490022F314 /* game.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = game.c; path = ../game.c; sourceTree = SOURCE_ROOT; };
 		20568DD317EBE9490022F314 /* game.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = game.h; path = ../game.h; sourceTree = SOURCE_ROOT; };
 		20568DD417EBE9490022F314 /* player.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = player.c; path = ../player.c; sourceTree = SOURCE_ROOT; };
@@ -140,6 +144,9 @@
 				20F6A1CF17E95AD300BAD261 /* main.h */,
 				20F6A1D017E95AD300BAD261 /* net */,
 				20F6A1D417E95AD300BAD261 /* stubs.h */,
+				2050563017ED9E9700F572B7 /* display.h */,
+				2050563117ED9E9700F572B7 /* wall.c */,
+				2050563217ED9E9700F572B7 /* wall.h */,
 			);
 			name = "Other Sources";
 			sourceTree = "<group>";
@@ -227,6 +234,7 @@
 				20F6A20317E95BC400BAD261 /* sockets.c in Sources */,
 				20568DD617EBE9490022F314 /* game.c in Sources */,
 				20568DD717EBE9490022F314 /* player.c in Sources */,
+				2050563317ED9E9700F572B7 /* wall.c in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};