From: Christian Heller <c.heller@plomlompom.de>
Date: Fri, 28 Jun 2013 00:12:23 +0000 (+0200)
Subject: Rewrote update_log () for a comeback of the message repition compression feature... 
X-Git-Tag: tce~1185
X-Git-Url: https://plomlompom.com/repos/%7B%7Bdb.prefix%7D%7D/%22https:/validator.w3.org/tasks?a=commitdiff_plain;h=06423bfe47a2548fd8e45576dafbed1603e54243;p=plomrogue

Rewrote update_log () for a comeback of the message repition compression feature; this time less buggy.
---

diff --git a/src/actors.c b/src/actors.c
index 1f8f28e..ca1305c 100644
--- a/src/actors.c
+++ b/src/actors.c
@@ -30,7 +30,7 @@ extern void move_monster (struct World * world, struct Monster * monster) {
     monster->pos = t; }
 
 extern void move_player (struct World * world, char d) {
-// Move player in direction d, increment turn counter and update log.
+// Move player in direction d, update log and turn over to the enemy.
   struct yx_uint16 t = mv_yx_in_dir (d, world->player->pos);
   struct Monster * monster;
   for (monster = world->monster; monster != 0; monster = monster->next)
diff --git a/src/roguelike.c b/src/roguelike.c
index d212388..ce3f5a4 100644
--- a/src/roguelike.c
+++ b/src/roguelike.c
@@ -20,14 +20,25 @@ uint16_t rrand(char use_seed, uint32_t new_seed) {
   return (seed / 65536); }                         // Ignore least significant 16 bits (they are less random).
 
 void update_log (struct World * world, char * text) {
-// Update log with new text to be appended.
+// Update log by appending text, or by appending a "." if text is the same as the last one.
+  static char * last_msg;
+  if (0 == last_msg)
+    last_msg = calloc(1, sizeof(char));
   char * new_text;
   uint16_t len_old = strlen(world->log);
-  uint16_t len_new = strlen(text);
-  uint16_t len_whole = len_old + len_new + 1;
-  new_text = calloc(len_whole, sizeof(char));
-  memcpy(new_text, world->log, len_old);
-  memcpy(new_text + len_old, text, len_new);
+  if (0 == strcmp(last_msg, text)) {
+    uint16_t len_whole = len_old + 1;
+    new_text = calloc(len_whole + 1, sizeof(char));
+    memcpy(new_text, world->log, len_old);
+    memcpy(new_text + len_old, ".", 1); }
+  else {
+    uint16_t len_new = strlen(text);
+    uint16_t len_whole = len_old + len_new + 1;
+    new_text = calloc(len_whole, sizeof(char));
+    memcpy(new_text, world->log, len_old);
+    memcpy(new_text + len_old, text, len_new);
+    last_msg = calloc(len_new + 1, sizeof(char));
+    memcpy(last_msg, text, len_new); }
   free(world->log);
   world->log = new_text; }