Add script functions for manipulate item options.

New functions:
getitemoptionidbyindex
getitemoptionvaluebyindex
getitemoptionparambyindex
setitemoptionbyindex

3 files changed, 132 insertions, 0 deletions

diff --git a/src/emap/init.c b/src/emap/init.c
index 341f9dd..ee03f84 100644
--- a/src/emap/init.c
+++ b/src/emap/init.c
@@ -190,6 +190,10 @@ HPExport void plugin_init (void)
     addScriptCommand("tolabel", "i", toLabel);
     addScriptCommand("input", "r??", input);
     addScriptCommand("slide", "ii", slide);
+    addScriptCommand("getitemoptionidbyindex", "ii", getItemOptionIdByIndex);
+    addScriptCommand("getitemoptionvaluebyindex", "ii", getItemOptionValueByIndex);
+    addScriptCommand("getitemoptionparambyindex", "ii", getItemOptionParamByIndex);
+    addScriptCommand("setitemoptionbyindex", "iii*", setItemOptionByIndex);
 
     do_init_langs();
 
diff --git a/src/emap/script_buildins.c b/src/emap/script_buildins.c
index a50caf7..2e47c77 100644
--- a/src/emap/script_buildins.c
+++ b/src/emap/script_buildins.c
@@ -2267,3 +2267,127 @@ BUILDIN(slide)
     unit->movepos(&sd->bl, x, y, 1, 0);
     return true;
 }
+
+BUILDIN(getItemOptionIdByIndex)
+{
+    getSD()
+    getInventoryIndex(2)
+
+    if (sd->status.inventory[n].nameid <= 0 || sd->status.inventory[n].amount <= 0)
+    {
+        script_pushint(st, 0);
+        return false;
+    }
+
+    const int optIndex = script_getnum(st, 3);
+    if (optIndex < 0 || optIndex >= MAX_ITEM_OPTIONS)
+    {
+        script_pushint(st, 0);
+        return false;
+    }
+
+    const int optType = sd->status.inventory[n].option[optIndex].index;
+    script_pushint(st, optType);
+
+    return true;
+}
+
+BUILDIN(getItemOptionValueByIndex)
+{
+    getSD()
+    getInventoryIndex(2)
+
+    if (sd->status.inventory[n].nameid <= 0 || sd->status.inventory[n].amount <= 0)
+    {
+        script_pushint(st, 0);
+        return false;
+    }
+
+    const int optIndex = script_getnum(st, 3);
+    if (optIndex < 0 || optIndex >= MAX_ITEM_OPTIONS)
+    {
+        script_pushint(st, 0);
+        return false;
+    }
+
+    const int optValue = sd->status.inventory[n].option[optIndex].value;
+    script_pushint(st, optValue);
+
+    return true;
+}
+
+BUILDIN(getItemOptionParamByIndex)
+{
+    getSD()
+    getInventoryIndex(2)
+
+    if (sd->status.inventory[n].nameid <= 0 || sd->status.inventory[n].amount <= 0)
+    {
+        script_pushint(st, 0);
+        return false;
+    }
+
+    const int optIndex = script_getnum(st, 3);
+    if (optIndex < 0 || optIndex >= MAX_ITEM_OPTIONS)
+    {
+        script_pushint(st, 0);
+        return false;
+    }
+
+    const int optParam = sd->status.inventory[n].option[optIndex].param;
+    script_pushint(st, optParam);
+
+    return true;
+}
+
+BUILDIN(setItemOptionByIndex)
+{
+    getSD()
+    getInventoryIndex(2)
+
+    if (sd->status.inventory[n].nameid <= 0 || sd->status.inventory[n].amount <= 0)
+        return false;
+
+    if (itemdb->isstackable2(sd->inventory_data[n]))
+        return false;
+
+    // not allow change equipped items
+    if (sd->status.inventory[n].equip != 0)
+        return false;
+
+    const int optIndex = script_getnum(st, 3);
+    if (optIndex < 0 || optIndex >= MAX_ITEM_OPTIONS)
+    {
+        ShowError("Wrong optIndex in setitemoptionbyindex\n");
+        return false;
+    }
+    int optType = 0;
+    int optValue = 0;
+    if (script_hasdata(st, 5))
+    {
+        optType = script_getnum(st, 4);
+        optValue = script_getnum(st, 5);
+    }
+    else
+    {
+        optType = sd->status.inventory[n].option[optIndex].index;
+        optValue = script_getnum(st, 4);
+    }
+
+    if (optType != 0 && itemdb->option_exists(optType) == NULL)
+    {
+        ShowError("Wrong optType in setitemoptionbyindex\n");
+        return false;
+    }
+
+    clif->delitem(sd, n, 1, DELITEM_MATERIALCHANGE);
+    logs->pick_pc(sd, LOG_TYPE_SCRIPT, -1, &sd->status.inventory[n], sd->inventory_data[n]);
+
+    sd->status.inventory[n].option[optIndex].index = optType;
+    sd->status.inventory[n].option[optIndex].value = optValue;
+
+    clif->additem(sd, n, 1, 0);
+    logs->pick_pc(sd, LOG_TYPE_SCRIPT, 1, &sd->status.inventory[n], sd->inventory_data[n]);
+
+    return true;
+}
diff --git a/src/emap/script_buildins.h b/src/emap/script_buildins.h
index 7291709..96c9bf2 100644
--- a/src/emap/script_buildins.h
+++ b/src/emap/script_buildins.h
@@ -92,5 +92,9 @@ BUILDIN(getLabel);
 BUILDIN(toLabel);
 BUILDIN(input);
 BUILDIN(slide);
+BUILDIN(getItemOptionIdByIndex);
+BUILDIN(getItemOptionValueByIndex);
+BUILDIN(getItemOptionParamByIndex);
+BUILDIN(setItemOptionByIndex);
 
 #endif  // EVOL_MAP_SCRIPT_BUILDINS