From c4ee7a7b7a3f7184e210895b21c811680eaf8e4d Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Thu, 23 Oct 2014 00:03:02 +0200
Subject: [PATCH] added warnings for undefined element and graphic names in
 custom artwork

---
 ChangeLog      |  4 ++++
 src/conftime.h |  2 +-
 src/init.c     | 25 ++++++++++++++++++++++++-
 3 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index cab54d53..cb8b519f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2014-10-22
+	* added warnings when using undefined element and graphic names in
+	  custom artwork definitions (like ".crumbled_like" or ".clone_from")
+
 2014-10-20
 	* fixed using buttons on main screen with size other than 32x32 pixels
 	* fixed some initialization bugs for scrollbars and main screen buttons
diff --git a/src/conftime.h b/src/conftime.h
index 97a2de1a..68a8d305 100644
--- a/src/conftime.h
+++ b/src/conftime.h
@@ -1 +1 @@
-#define COMPILE_DATE_STRING "2014-10-21 01:20"
+#define COMPILE_DATE_STRING "2014-10-22 23:54"
diff --git a/src/init.c b/src/init.c
index 39f5c347..f431f5b8 100644
--- a/src/init.c
+++ b/src/init.c
@@ -953,13 +953,36 @@ static int get_graphic_parameter_value(char *value_raw, char *suffix, int type)
   {
     char *value = getHashEntry(element_token_hash, value_raw);
 
+    if (value == NULL)
+    {
+      Error(ERR_INFO_LINE, "-");
+      Error(ERR_INFO, "warning: error found in config file:");
+      Error(ERR_INFO, "- config file: '%s'", getImageConfigFilename());
+      Error(ERR_INFO, "error: invalid element token '%s'", value_raw);
+      Error(ERR_INFO, "custom graphic rejected for this element/action");
+      Error(ERR_INFO, "fallback done to undefined element for this graphic");
+      Error(ERR_INFO_LINE, "-");
+    }
+
     return (value != NULL ? atoi(value) : EL_UNDEFINED);
   }
   else if (type == TYPE_GRAPHIC)
   {
     char *value = getHashEntry(graphic_token_hash, value_raw);
+    int fallback_graphic = IMG_CHAR_EXCLAM;
+
+    if (value == NULL)
+    {
+      Error(ERR_INFO_LINE, "-");
+      Error(ERR_INFO, "warning: error found in config file:");
+      Error(ERR_INFO, "- config file: '%s'", getImageConfigFilename());
+      Error(ERR_INFO, "error: invalid graphic token '%s'", value_raw);
+      Error(ERR_INFO, "custom graphic rejected for this element/action");
+      Error(ERR_INFO, "fallback done to 'char_exclam' for this graphic");
+      Error(ERR_INFO_LINE, "-");
+    }
 
-    return (value != NULL ? atoi(value) : IMG_UNDEFINED);
+    return (value != NULL ? atoi(value) : fallback_graphic);
   }
 
   return -1;
-- 
2.34.1