From 4f8360fb6aad70ba208ca60f0d9c94590b222530 Mon Sep 17 00:00:00 2001
From: Christian Heller <c.heller@plomlompom.de>
Date: Thu, 27 Jun 2013 01:31:33 +0200
Subject: [PATCH] Moved lots of stuff into new library actors.

---
 src/actors.c    | 59 +++++++++++++++++++++++++++++++++++++++++++++++++
 src/actors.h    | 17 ++++++++++++++
 src/draw_wins.c |  1 +
 src/roguelike.c | 55 +--------------------------------------------
 src/roguelike.h | 16 +++-----------
 src/windows.h   |  1 +
 6 files changed, 82 insertions(+), 67 deletions(-)
 create mode 100644 src/actors.c
 create mode 100644 src/actors.h

diff --git a/src/actors.c b/src/actors.c
new file mode 100644
index 0000000..288bb49
--- /dev/null
+++ b/src/actors.c
@@ -0,0 +1,59 @@
+#include "stdlib.h"
+#include "stdint.h"
+#include "yx_uint16.h"
+#include "roguelike.h"
+#include "actors.h"
+
+extern char is_passable (struct Map * map, uint16_t y, uint16_t x) {
+// Check if coordinate on (or beyond) map is accessible to actor movement.
+  char passable = 0;
+  if (0 <= x && x < map->size.x && 0 <= y && y < map->size.y)
+    if ('.' == map->cells[y * map->size.x + x])
+      passable = 1;
+  return passable; }
+
+extern void move_monster (struct World * world, struct Monster * monster) {
+// Move monster in random direction, trigger fighting when hindered by player/monster.
+  char d = rrand(0, 0) % 5;
+  struct yx_uint16 t = mv_yx_in_dir (d, monster->pos);
+  if (yx_uint16_cmp (t, world->player->pos)) {
+    update_log (world, "\nThe monster hits you.");
+    return; }
+  struct Monster * other_monster;
+  for (other_monster = world->monster; other_monster != 0; other_monster = other_monster->next) {
+    if (other_monster == monster)
+      continue;
+    if (yx_uint16_cmp (t, other_monster->pos)) {
+      update_log (world, "\nMonster hits monster.");
+      return; } }
+  if (is_passable(world->map, t.y, t.x))
+    monster->pos = t; }
+
+extern void move_player (struct World * world, char d) {
+// Move player in direction d, increment turn counter and update log.
+  struct yx_uint16 t = mv_yx_in_dir (d, world->player->pos);
+  struct Monster * monster;
+  for (monster = world->monster; monster != 0; monster = monster->next)
+    if (yx_uint16_cmp (t, monster->pos)) {
+      update_log (world, "\nYou hit the monster.");
+      turn_over (world, d);
+      return; }
+  char * msg = calloc(25, sizeof(char));
+  char * msg_content = "You fail to move";
+  char * dir;
+  if      (NORTH == d) dir = "north";
+  else if (EAST  == d) dir = "east" ;
+  else if (SOUTH == d) dir = "south";
+  else if (WEST  == d) dir = "west" ;
+  if (is_passable(world->map, t.y, t.x)) {
+    msg_content = "You move";
+    world->player->pos = t; }
+  sprintf(msg, "\n%s %s.", msg_content, dir);
+  update_log (world, msg);
+  free(msg);
+  turn_over (world, d); }
+
+extern void player_wait (struct World * world) {
+// Make player wait one turn.
+  update_log (world, "\nYou wait.");
+  turn_over (world, 0); }
diff --git a/src/actors.h b/src/actors.h
new file mode 100644
index 0000000..e82d1da
--- /dev/null
+++ b/src/actors.h
@@ -0,0 +1,17 @@
+#ifndef ACTORS_H
+#define ACTORS_H
+
+struct Player {
+  struct yx_uint16 pos; };
+
+struct Monster {
+  struct Monster * next;
+  char name;
+  struct yx_uint16 pos; };
+
+extern char is_passable (struct Map *, uint16_t, uint16_t);
+extern void move_monster (struct World *, struct Monster *);
+extern void move_player (struct World *, char);
+extern void player_wait(struct World *);
+
+#endif
diff --git a/src/draw_wins.c b/src/draw_wins.c
index 13cd522..bcce0a4 100644
--- a/src/draw_wins.c
+++ b/src/draw_wins.c
@@ -6,6 +6,7 @@
 #include "draw_wins.h"
 #include "roguelike.h"
 #include "keybindings.h"
+#include "actors.h"
 
 void draw_with_linebreaks (struct Win * win, char * text, uint16_t start_y) {
 // Write text into window content space. Start on row start_y. Fill unused rows with whitespace.
diff --git a/src/roguelike.c b/src/roguelike.c
index 2186348..021bfe7 100644
--- a/src/roguelike.c
+++ b/src/roguelike.c
@@ -9,6 +9,7 @@
 #include "roguelike.h"
 #include "keybindings.h"
 #include "readwrite.h"
+#include "actors.h"
 
 uint16_t rrand(char use_seed, uint32_t new_seed) {
 // Pseudo-random number generator (LGC algorithm). Use instead of rand() to ensure portable predictability.
@@ -92,60 +93,6 @@ void save_game(struct World * world) {
   write_uint16_bigendian(world->monster->next->next->pos.x, file);
   fclose(file); }
 
-char is_passable (struct Map * map, uint16_t y, uint16_t x) {
-// Check if coordinate on (or beyond) map is accessible to movement.
-  char passable = 0;
-  if (0 <= x && x < map->size.x && 0 <= y && y < map->size.y)
-    if ('.' == map->cells[y * map->size.x + x])
-      passable = 1;
-  return passable; }
-
-void move_monster (struct World * world, struct Monster * monster) {
-// Move monster in random direction, trigger fighting when hindered by player/monster.
-  char d = rrand(0, 0) % 5;
-  struct yx_uint16 t = mv_yx_in_dir (d, monster->pos);
-  if (yx_uint16_cmp (t, world->player->pos)) {
-    update_log (world, "\nThe monster hits you.");
-    return; }
-  struct Monster * other_monster;
-  for (other_monster = world->monster; other_monster != 0; other_monster = other_monster->next) {
-    if (other_monster == monster)
-      continue;
-    if (yx_uint16_cmp (t, other_monster->pos)) {
-      update_log (world, "\nMonster hits monster.");
-      return; } }
-  if (is_passable(world->map, t.y, t.x))
-    monster->pos = t; }
-
-void move_player (struct World * world, char d) {
-// Move player in direction d, increment turn counter and update log.
-  struct yx_uint16 t = mv_yx_in_dir (d, world->player->pos);
-  struct Monster * monster;
-  for (monster = world->monster; monster != 0; monster = monster->next)
-    if (yx_uint16_cmp (t, monster->pos)) {
-      update_log (world, "\nYou hit the monster.");
-      turn_over (world, d);
-      return; }
-  char * msg = calloc(25, sizeof(char));
-  char * msg_content = "You fail to move";
-  char * dir;
-  if      (NORTH == d) dir = "north";
-  else if (EAST  == d) dir = "east" ;
-  else if (SOUTH == d) dir = "south";
-  else if (WEST  == d) dir = "west" ;
-  if (is_passable(world->map, t.y, t.x)) {
-    msg_content = "You move";
-    world->player->pos = t; }
-  sprintf(msg, "\n%s %s.", msg_content, dir);
-  update_log (world, msg);
-  free(msg);
-  turn_over (world, d); }
-
-void player_wait (struct World * world) {
-// Make player wait one turn.
-  update_log (world, "\nYou wait.");
-  turn_over (world, 0); }
-
 void toggle_window (struct WinMeta * win_meta, struct Win * win) {
 // Toggle display of window win.
   if (0 != win->frame.curses_win)
diff --git a/src/roguelike.h b/src/roguelike.h
index 6ddc826..7c54dc4 100644
--- a/src/roguelike.h
+++ b/src/roguelike.h
@@ -1,6 +1,9 @@
 #ifndef ROGUELIKE_H
 #define ROGUELIKE_H
 
+#include "yx_uint16.h"
+#include "windows.h"
+
 struct World {
   char interactive;
   struct KeyBinding * keybindings;
@@ -17,14 +20,6 @@ struct Map {
   struct yx_uint16 offset;
   char * cells; };
 
-struct Player {
-  struct yx_uint16 pos; };
-
-struct Monster {
-  struct Monster * next;
-  char name;
-  struct yx_uint16 pos; };
-
 uint16_t rrand(char, uint32_t);
 void update_log (struct World *, char *);
 
@@ -34,11 +29,6 @@ void map_scroll (struct Map *, char);
 void turn_over (struct World *, char);
 void save_game(struct World *);
 
-char is_passable (struct Map *, uint16_t, uint16_t);
-void move_monster (struct World *, struct Monster *);
-void move_player (struct World *, char);
-void player_wait(struct World *);
-
 void toggle_window (struct WinMeta *, struct Win *);
 void scroll_pad (struct WinMeta *, char);
 void growshrink_active_window (struct WinMeta *, char);
diff --git a/src/windows.h b/src/windows.h
index 53f1559..e52f93b 100644
--- a/src/windows.h
+++ b/src/windows.h
@@ -1,6 +1,7 @@
 #ifndef WINDOWS_H
 #define WINDOWS_H
 
+#include "ncurses.h"
 #include "yx_uint16.h"
 
 struct Frame {
-- 
2.30.2