core: rework from static menu items to dynamic

add new param for mapm_add_custom_item

Author: Mistrick

cstrike/addons/amxmodx/scripting/include/map_manager.inc

@@ -199,6 +199,7 @@ native mapm_set_displayed_name(item, name[]);
  *  id - client index who used the custom item
  *  item - custom item index
  *
+ * @param type                  Item type
  * @param name                  Displayed name
  * @param handler               Handler function, which will be called after selecting a custom item in the voting
  * @param add_blank             Adds blank line before custom item
@@ -207,7 +208,7 @@ native mapm_set_displayed_name(item, name[]);
  * @return                      Custom item index
  *                              Invalid_Custom_Item - If can't register handler
  */
-native MCustomItem:mapm_add_custom_item(name[], handler[], bool:add_blank = false, bool:add_number = true);
+native MCustomItem:mapm_add_custom_item(MCI_Type:type, name[], handler[], bool:add_blank = false, bool:add_number = true);
 
 /**
  * Returns if vote started.

cstrike/addons/amxmodx/scripting/include/map_manager_consts.inc

@@ -106,3 +106,8 @@ enum {
 enum MCustomItem {
     Invalid_Custom_Item = -1
 };
+
+enum MCI_Type {
+    mci_before,
+    mci_after
+}