X-Git-Url: https://plomlompom.com/repos/foo.html?a=blobdiff_plain;f=src%2Fserver%2Fthing_actions.c;h=bcf9e455f4d382d538633f75681f77b6d76d7b3d;hb=1cb57a35a3b3cc4ec8870531ca254a655c0bdda2;hp=e4e5276ad84ee27087ea42a8b1a15efda0f97d59;hpb=d92f16d5959fc846d3eaf669517eecb3969cda08;p=plomrogue

diff --git a/src/server/thing_actions.c b/src/server/thing_actions.c
index e4e5276..bcf9e45 100644
--- a/src/server/thing_actions.c
+++ b/src/server/thing_actions.c
@@ -5,12 +5,13 @@
 #include <stdint.h> /* uint8_t, uint16_t */
 #include <stdio.h> /* sprintf() */
 #include <stdlib.h> /* free() */
-#include <string.h> /* strlen(), strcmp(), memcpy(), strncmp() */
-#include "../common/rexit.h" /* exit_err() */
+#include <string.h> /* strlen(), memcpy(), strncmp() */
+#include "../common/rexit.h" /* exit_trouble() */
 #include "../common/try_malloc.h" /* try_malloc() */
 #include "../common/yx_uint8.h" /* struct yx_uint8 */
 #include "field_of_view.h" /* build_fov_map() */
-#include "things.h" /* structs Thing, ThingType, get_player(), own_thing(),
+#include "hardcoded_strings.h" /* s */
+#include "things.h" /* Thing, ThingType, get_player(), own_thing(),
                      * set_thing_position(), get_thing_type()
                      */
 #include "map.h" /* is_passable() */
@@ -19,7 +20,18 @@
 
 
 
-/* Append "text" to game log, or a "." if "text" is the same as the last one. */
+/* How many previous characters of the game log to keep on adding new text */
+#define MAX_BACKLOG_CHARS 3000
+
+
+
+/* If "text" is equal "log"'s last line, return 1, else 0. */
+static uint8_t text_equals_log_end(char * log, char * text);
+
+/* Append "text" to game log shortened to MAX_BACKLOG_CHARS characters, or
+ * continuation period if "text" is the same as the (shortened) log's last line
+ * minus continuation periods.
+ */
 static void update_log(char * text);
 
 /* One actor "wounds" another actor, decrementing his lifepoints and, if they
@@ -40,42 +52,60 @@ static void playerbonus_use(uint8_t no_thing, uint8_t wrong_thing);
 
 
 
+static uint8_t text_equals_log_end(char * log, char * text)
+{
+    uint16_t len_old = strlen(log);
+    uint16_t last_nl = len_old - 1;
+    while (last_nl != 0)
+    {
+        if ('\n' == log[last_nl])
+        {
+            break;
+        }
+        last_nl--;
+    }
+    uint16_t last_stop = len_old - 1;
+    while (last_stop != 0)
+    {
+        if ('.' == log[last_stop] && '.' != log[last_stop - 1])
+        {
+            break;
+        }
+        last_stop--;
+    }
+    if (   (last_stop + 1) - last_nl == (uint16_t) strlen(text)
+        && 0 == strncmp(log + last_nl, text, strlen(text)))
+    {
+        return 1;
+    }
+    return 0;
+}
+
+
+
 static void update_log(char * text)
 {
-    char * f_name = "update_log()";
     uint16_t len_new = strlen(text);
     uint16_t len_old = 0;
+    uint16_t offset = 0;
     if (world.log)
     {
         len_old = strlen(world.log);
-        uint16_t last_nl = len_old - 1;
-        while (last_nl != 0)
+        if (len_old > MAX_BACKLOG_CHARS)
         {
-            if ('\n' == world.log[last_nl])
-            {
-                break;
-            }
-            last_nl--;
-        }
-        uint16_t last_stop = len_old - 1;
-        while (last_stop != 0)
-        {
-            if ('.' == world.log[last_stop] && '.' != world.log[last_stop - 1])
-            {
-                break;
-            }
-            last_stop--;
+            offset = len_old - MAX_BACKLOG_CHARS;
+            len_old = MAX_BACKLOG_CHARS;
         }
-        if (   (last_stop + 1) - last_nl == (uint16_t) strlen(text)
-            && 0 == strncmp(world.log + last_nl, text, strlen(text)))
+        if (text_equals_log_end(world.log + offset, text))
         {
             text = ".";
         }
     }
     uint16_t len_whole = len_old + len_new + 1;
-    char * new_text = try_malloc(len_whole, f_name);
-    memcpy(new_text, world.log, len_old);
-    sprintf(new_text + len_old, "%s", text);
+    char * new_text = try_malloc(len_whole, __func__);
+    memcpy(new_text, world.log + offset, len_old);
+    int test = sprintf(new_text + len_old, "%s", text);
+    exit_trouble(test < 0, __func__, s[S_FCN_SPRINTF]);
     free(world.log);
     world.log = new_text;
 }
@@ -100,9 +130,11 @@ static void actor_hits_actor(struct Thing * hitter, struct Thing * hitted)
         msg3 = tt_hitted->name;
     }
     uint8_t len = 1 + strlen(msg1) + 1 + strlen(msg2) + 1 + strlen(msg3) + 2;
-    char msg[len];
-    sprintf(msg, "\n%s %s %s.", msg1, msg2, msg3);
+    char * msg = try_malloc(len, __func__);
+    int test = sprintf(msg, "\n%s %s %s.", msg1, msg2, msg3);
+    exit_trouble(test < 0, __func__, s[S_FCN_SPRINTF]);
     update_log(msg);
+    free(msg);
     hitted->lifepoints--;
     if (0 == hitted->lifepoints)
     {
@@ -153,9 +185,11 @@ static void playerbonus_move(char d, uint8_t passable)
     {
         dsc_move = "You fail to move ";
     }
-    char msg[strlen(dsc_move) + strlen (dsc_dir) + 3];
-    sprintf(msg, "\n%s%s.", dsc_move, dsc_dir);
+    char * msg = try_malloc(strlen(dsc_move) + strlen (dsc_dir) + 3, __func__);
+    int test = sprintf(msg, "\n%s%s.", dsc_move, dsc_dir);
+    exit_trouble(test < 0, __func__, s[S_FCN_SPRINTF]);
     update_log(msg);
+    free(msg);
 }
 
 
@@ -201,36 +235,6 @@ static void playerbonus_use(uint8_t no_thing, uint8_t wrong_thing)
 
 
 
-extern void free_thing_actions(struct ThingAction * ta)
-{
-    if (NULL == ta)
-    {
-        return;
-    }
-    free(ta->name);
-    free_thing_actions(ta->next);
-    free(ta);
-}
-
-
-
-extern uint8_t get_thing_action_id_by_name(char * name)
-{
-    struct ThingAction * ta = world.thing_actions;
-    while (NULL != ta)
-    {
-        if (0 == strcmp(ta->name, name))
-        {
-            break;
-        }
-        ta = ta->next;
-    }
-    exit_err(NULL == ta, "get_thing_action_id_by_name() did not find action.");
-    return ta->id;
-}
-
-
-
 extern void actor_wait(struct Thing * t)
 {
     if (t == get_player())