calculate simple default scores for items that do not have one defined in XML.

src/kernel/xmlreader.c

@@ -31,6 +31,10 @@ without prior permission by the authors of Eressea.
 
 #include "vortex.h"
 
+#if SCORE_MODULE
+#include <modules/score.h>
+#endif
+
 /* util includes */
 #include <util/attrib.h>
 #include <util/bsdstring.h>
@@ -766,9 +770,6 @@ static item_type *xml_readitem(xmlXPathContextPtr xpath, resource_type * rtype)
     itype->weight = xml_ivalue(node, "weight", 0);
     itype->capacity = xml_ivalue(node, "capacity", 0);
     itype->flags |= flags;
-#if SCORE_MODULE
-    itype->score = xml_ivalue(node, "score", 0);
-#endif
 
     /* reading item/construction */
     xpath->node = node;
@@ -855,6 +856,10 @@ static item_type *xml_readitem(xmlXPathContextPtr xpath, resource_type * rtype)
         }
         xmlFree(propValue);
     }
+#if SCORE_MODULE
+    itype->score = xml_ivalue(node, "score", 0);
+    if (!itype->score) itype->score = default_score(itype);
+#endif
     xmlXPathFreeObject(result);
 
     return itype;

src/modules/score.c

@@ -24,6 +24,7 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 /* kernel includes */
 #include <kernel/alliance.h>
 #include <kernel/building.h>
+#include <kernel/build.h>
 #include <kernel/faction.h>
 #include <kernel/item.h>
 #include <kernel/race.h>
@@ -214,4 +215,20 @@ void score(void)
     }
 }
 
+int default_score(const item_type *itype) {
+    int result = 0;
+    if (itype->construction) {
+        requirement *req = itype->construction->materials;
+        while (req->number) {
+            int score = req->rtype->itype ? req->rtype->itype->score : 10;
+            result += score * req->number * 2;
+            ++req;
+        }
+    }
+    else {
+        result = 10;
+    }
+    return result;
+}
+
 #endif

src/modules/score.h

@@ -26,8 +26,11 @@ extern "C" {
 #error "must define SCORE_MODULE to use this module"
 #endif
 
-    extern void score(void);
-    extern int average_score_of_age(int age, int a);
+    struct item_type;
+
+    void score(void);
+    int average_score_of_age(int age, int a);
+    int default_score(const struct item_type *itype);
 
 #ifdef __cplusplus
 }