From bbea8aaa3fa48f00ea46a7d8d79138e02929881e Mon Sep 17 00:00:00 2001
From: Christian Heller <c.heller@plomlompom.de>
Date: Tue, 2 Jul 2013 02:32:33 +0200
Subject: [PATCH] Started implementing items. They don't do much but lie around
 on the map.

---
 src/draw_wins.c | 13 +++++++++----
 src/roguelike.c | 29 ++++++++++++++++++++++++++++-
 src/roguelike.h |  6 ++++++
 3 files changed, 43 insertions(+), 5 deletions(-)

diff --git a/src/draw_wins.c b/src/draw_wins.c
index 0ec8d7a..5b60d81 100644
--- a/src/draw_wins.c
+++ b/src/draw_wins.c
@@ -76,6 +76,7 @@ void draw_map_win (struct Win * win) {
   struct Map * map = world->map;
   struct Player * player = world->player;
   struct Monster * monster;
+  struct Item * item;
   char * cells = map->cells;
   uint16_t width_map_av  = map->size.x  - map->offset.x;
   uint16_t height_map_av = map->size.y - map->offset.y;
@@ -86,13 +87,17 @@ void draw_map_win (struct Win * win) {
       if (y < height_map_av && x < width_map_av) {
           mvwaddch(win->frame.curses_win, y, x, cells[z]);
         z++; } } }
-  if (   player->pos.y >= map->offset.y && player->pos.y < map->offset.y + win->frame.size.y
-      && player->pos.x >= map->offset.x && player->pos.x < map->offset.x + win->frame.size.x)
-    mvwaddch(win->frame.curses_win, player->pos.y - map->offset.y, player->pos.x - map->offset.x, '@');
+  for (item = world->item; item != 0; item = item->next)
+    if (   item->pos.y >= map->offset.y && item->pos.y < map->offset.y + win->frame.size.y
+        && item->pos.x >= map->offset.x && item->pos.x < map->offset.x + win->frame.size.x)
+      mvwaddch(win->frame.curses_win, item->pos.y - map->offset.y, item->pos.x - map->offset.x, item->name);
   for (monster = world->monster; monster != 0; monster = monster->next)
     if (   monster->pos.y >= map->offset.y && monster->pos.y < map->offset.y + win->frame.size.y
         && monster->pos.x >= map->offset.x && monster->pos.x < map->offset.x + win->frame.size.x)
-      mvwaddch(win->frame.curses_win, monster->pos.y - map->offset.y, monster->pos.x - map->offset.x, monster->name); }
+      mvwaddch(win->frame.curses_win, monster->pos.y - map->offset.y, monster->pos.x - map->offset.x, monster->name);
+  if (   player->pos.y >= map->offset.y && player->pos.y < map->offset.y + win->frame.size.y
+      && player->pos.x >= map->offset.x && player->pos.x < map->offset.x + win->frame.size.x)
+    mvwaddch(win->frame.curses_win, player->pos.y - map->offset.y, player->pos.x - map->offset.x, '@'); }
 
 void draw_info_win (struct Win * win) {
 // Draw info window by appending win->data integer value to "Turn: " display.
diff --git a/src/roguelike.c b/src/roguelike.c
index ce3f5a4..37e90c9 100644
--- a/src/roguelike.c
+++ b/src/roguelike.c
@@ -102,6 +102,12 @@ void save_game(struct World * world) {
   write_uint16_bigendian(world->monster->next->pos.x, file);
   write_uint16_bigendian(world->monster->next->next->pos.y, file);
   write_uint16_bigendian(world->monster->next->next->pos.x, file);
+  write_uint16_bigendian(world->item->pos.y, file);
+  write_uint16_bigendian(world->item->pos.x, file);
+  write_uint16_bigendian(world->item->next->pos.y, file);
+  write_uint16_bigendian(world->item->next->pos.x, file);
+  write_uint16_bigendian(world->item->next->next->pos.y, file);
+  write_uint16_bigendian(world->item->next->next->pos.x, file);
   fclose(file); }
 
 void toggle_window (struct WinMeta * win_meta, struct Win * win) {
@@ -197,7 +203,7 @@ int main (int argc, char *argv[]) {
       default:
         exit(EXIT_FAILURE); } }
 
-  // Initialize log, player and monsters.
+  // Initialize log, player, monsters and items.
   world.log = calloc(1, sizeof(char));
   update_log (&world, " ");
   struct Player player;
@@ -212,6 +218,16 @@ int main (int argc, char *argv[]) {
   monster1.name = 'A';
   monster2.name = 'B';
   monster3.name = 'C';
+  struct Item item1;
+  struct Item item2;
+  struct Item item3;
+  world.item = &item1;
+  item1.next = &item2;
+  item2.next = &item3;
+  item3.next = 0;
+  item1.name = '&';
+  item2.name = '%';
+  item3.name = '#';
 
   // For interactive mode, try to load world state from savefile.
   FILE * file;
@@ -227,6 +243,12 @@ int main (int argc, char *argv[]) {
     monster2.pos.x = read_uint16_bigendian(file);
     monster3.pos.y = read_uint16_bigendian(file);
     monster3.pos.x = read_uint16_bigendian(file);
+    item1.pos.y = read_uint16_bigendian(file);
+    item1.pos.x = read_uint16_bigendian(file);
+    item2.pos.y = read_uint16_bigendian(file);
+    item2.pos.x = read_uint16_bigendian(file);
+    item3.pos.y = read_uint16_bigendian(file);
+    item3.pos.x = read_uint16_bigendian(file);
     fclose(file); }
 
   // For non-interactive mode, try to load world state from frecord file.
@@ -251,6 +273,11 @@ int main (int argc, char *argv[]) {
     for (player.pos.y = player.pos.x = 0; 0 == is_passable(&map, player.pos);) {
       player.pos.y = rrand(0, 0) % map.size.y;
       player.pos.x = rrand(0, 0) % map.size.x; }
+    struct Item * item;
+    for (item = world.item; item != 0; item = item->next)
+      for (item->pos.y = item->pos.x = 0; 0 == is_passable(&map, item->pos);) {
+        item->pos.y = rrand(0, 0) % map.size.y;
+        item->pos.x = rrand(0, 0) % map.size.x; }
     struct Monster * monster;
     for (monster = world.monster; monster != 0; monster = monster->next)
       for (monster->pos.y = monster->pos.x = 0; 0 == is_passable(&map, monster->pos);) {
diff --git a/src/roguelike.h b/src/roguelike.h
index 963031f..a72b7ca 100644
--- a/src/roguelike.h
+++ b/src/roguelike.h
@@ -17,6 +17,7 @@ struct World {
   uint32_t turn;
   char * log;
   struct Map * map;
+  struct Item * item;
   struct Monster * monster;
   struct Player * player; };
 
@@ -25,6 +26,11 @@ struct Map {
   struct yx_uint16 offset;
   char * cells; };
 
+struct Item {
+  struct Item * next;
+  char name;
+  struct yx_uint16 pos; };
+
 extern uint16_t rrand(char, uint32_t);
 extern void update_log (struct World *, char *);
 
-- 
2.30.2