From: Christian Heller <c.heller@plomlompom.de>
Date: Wed, 10 Jul 2013 03:09:01 +0000 (+0200)
Subject: Added command to focus map on player.
X-Git-Tag: tce~1163
X-Git-Url: https://plomlompom.com/repos/%7B%7Bdb.prefix%7D%7D/%22https:/validator.w3.org/tasks?a=commitdiff_plain;h=714bf970109b33005e0ab3e588d818460ccdc304;p=plomrogue

Added command to focus map on player.
---

diff --git a/README b/README
index 40c7a0a..9c14e9c 100644
--- a/README
+++ b/README
@@ -44,6 +44,7 @@ w       scroll map up
 x       scroll map down
 a       scroll map left
 d       scroll map right
+s       center map on player
 t       move player up
 b       move player down
 f       move player left
diff --git a/keybindings b/keybindings
index 5a10cc3..2a43fac 100644
--- a/keybindings
+++ b/keybindings
@@ -21,6 +21,7 @@
 120 map down
 97 map left
 100 map right
+115 map center player
 116 player up
 98 player down
 102 player left
diff --git a/src/roguelike.c b/src/roguelike.c
index 739d4e3..a4db13c 100644
--- a/src/roguelike.c
+++ b/src/roguelike.c
@@ -82,6 +82,15 @@ void map_scroll (struct Map * map, char dir, struct yx_uint16 win_size) {
   else if (EAST  == dir && map->offset.x + win_size.x < map->size.x)
     map->offset.x++; }
 
+void map_center_player (struct Map * map, struct Player * player, struct yx_uint16 win_size) {
+// Center map on player.
+  if (player->pos.y < win_size.y / 2)                      map->offset.y = 0;
+  else if (player->pos.y < map->size.y - (win_size.y / 2)) map->offset.y = player->pos.y - (win_size.y / 2);
+  else                                                     map->offset.y = map->size.y - win_size.y;
+  if (player->pos.x < win_size.x / 2)                      map->offset.x = 0;
+  else if (player->pos.x < map->size.x - (win_size.x / 2)) map->offset.x = player->pos.x - (win_size.x / 2);
+  else                                                     map->offset.x = map->size.x - win_size.x; }
+
 void turn_over (struct World * world, char action) {
 // Record action in game record file, increment turn and move enemy.
   if (1 == world->interactive) {
@@ -178,6 +187,8 @@ unsigned char meta_keys(int key, struct World * world, struct WinMeta * win_meta
     map_scroll (world->map, EAST, win_map->frame.size);
   else if (key == get_action_key(world->keybindings, "map left"))
     map_scroll (world->map, WEST, win_map->frame.size);
+  else if (key == get_action_key(world->keybindings, "map center player"))
+    map_center_player (world->map, world->player, win_map->frame.size);
   return 0; }
 
 int main (int argc, char *argv[]) {
diff --git a/src/roguelike.h b/src/roguelike.h
index bcffe73..8bf5380 100644
--- a/src/roguelike.h
+++ b/src/roguelike.h
@@ -31,6 +31,7 @@ extern void update_log (struct World *, char *);
 
 extern struct Map init_map ();
 extern void map_scroll (struct Map *, char, struct yx_uint16);
+extern void map_center_player (struct Map *, struct Player *, struct yx_uint16);
 
 extern void turn_over (struct World *, char);
 extern void save_game(struct World *);