add an IT_VIRTUAL item type for card groups

4 files changed, 35 insertions, 0 deletions

diff --git a/src/emap/init.c b/src/emap/init.c
index 19eaea5..a4902ba 100644
--- a/src/emap/init.c
+++ b/src/emap/init.c
@@ -270,6 +270,7 @@ HPExport void plugin_init (void)
     addHookPre(battle, weapon_attack, ebattle_weapon_attack_pre);
     addHookPre(bg, team_warp, ebg_team_warp_pre);
     addHookPre(pc, can_Adopt, epc_can_Adopt_pre);
+    addHookPre(pc, additem, epc_additem_pre);
     addHookPre(pc, adoption, epc_adoption_pre);
     addHookPre(pc, readparam, epc_readparam_pre);
     addHookPre(pc, setparam, epc_setparam_pre);
diff --git a/src/emap/pc.c b/src/emap/pc.c
index d719173..68b892c 100644
--- a/src/emap/pc.c
+++ b/src/emap/pc.c
@@ -461,6 +461,29 @@ int epc_setnewpc_post(int retVal,
     return retVal;
 }
 
+int epc_additem_pre(struct map_session_data **sdPtr __attribute__ ((unused)),
+                    const struct item **item_dataPtr,
+                    int *amountPtr __attribute__ ((unused)),
+                    e_log_pick_type *log_typePtr __attribute__ ((unused)))
+{
+#ifndef IT_VIRTUAL
+    return 0;
+#endif
+
+    const struct item *item_data = *item_dataPtr;
+
+    if (item_data != NULL) {
+        struct item_data *data = itemdb->search(item_data->nameid);
+
+        if (data != NULL && data->type == IT_VIRTUAL) {
+            hookStop();
+            return 1;
+        }
+    }
+
+    return 0;
+}
+
 int epc_additem_post(int retVal,
                      struct map_session_data *sd,
                      const struct item *item_data,
diff --git a/src/emap/pc.h b/src/emap/pc.h
index db1a912..1cbd3c1 100644
--- a/src/emap/pc.h
+++ b/src/emap/pc.h
@@ -63,6 +63,11 @@ int epc_setnewpc_post(int retVal,
                       int sex,
                       int fd);
 
+int epc_additem_pre(struct map_session_data **sdPtr,
+                    const struct item **item_dataPtr,
+                    int *amountPtr,
+                    e_log_pick_type *log_typePtr);
+
 int epc_additem_post(int retVal,
                      struct map_session_data *sd,
                      const struct item *item_data,
diff --git a/src/emap/script.c b/src/emap/script.c
index d2a64e4..778ebe0 100644
--- a/src/emap/script.c
+++ b/src/emap/script.c
@@ -109,6 +109,12 @@ void escript_hardcoded_constants_pre(void)
     script->set_constant("NPCSUBTYPE_SCRIPT", SCRIPT, false, false);
     script->set_constant("NPCSUBTYPE_CASHSHOP", CASHSHOP, false, false);
     script->set_constant("NPCSUBTYPE_TOMB", TOMB, false, false);
+
+    // new item types
+#ifdef IT_VIRTUAL
+    script->set_constant("IT_VIRTUAL", IT_VIRTUAL, false, false);
+#endif
+
     script->constdb_comment(NULL);
     eskill_addskill_conststants();
 }