Item menu: Useable item functionality implemented. All items useable from the menu are working.

Installer: Item elements and statuses are now written to the items Lua script.

V-Gears-Installer/src/KernelDataInstaller.cpp

@@ -799,7 +799,19 @@ void KernelDataInstaller::WriteItems(std::string file_name){
           << ", fixed_row = " << item.target.fixed_row
           << ", short_range = " << item.target.short_range
           << ", all_rows = " << item.target.all_rows
-          << ", random = " << item.target.random << "}\n}\n";
+          << ", random = " << item.target.random << "},\n"
+          << "    status = {";
+        for (int s : item.status.status){
+            file << "\n        {status = " << s << ", mode = " << item.status.mode
+              << ", chance = " << item.status.chance << "},";
+        }
+        if (item.status.status.size() > 0) file << "\n    },\n";
+        else file << "},\n";
+        file << "    elements = {";
+        for (int e : item.elements) file << e << ", ";
+        file << "},\n}\n";
+
+
     }
     file.close();
 }

data/data/screens.xml

@@ -7,6 +7,8 @@
     <prototype file_name="screens/main_menu/prototypes.xml" />
     <screen file_name="screens/main_menu/main_menu.xml" />
     <screen file_name="screens/pause_menu/pause_menu.xml" />
+    <prototype file_name="screens/item_menu/prototypes.xml" />
+    <screen file_name="screens/item_menu/item_menu.xml" />
 
     <!-- Dialogs -->
     <prototype file_name="screens/dialog/prototypes.xml" />

data/data/screens/item_menu/item_menu.lua

@@ -8,28 +8,43 @@ UiContainer.ItemMenu = {
     item_cursor_position_total = 10,
     item_cursor_item_selected = 0,
     char_position = 1,
-    char_position_total = 10,
+    char_position_total = 3,
     first_item_in_window = 0,
 
+    -- Item ID of the currently selected (not highlighted) item.
+    item_in_use = nil,
+
+    -- Indicates it the selected item affect the entire party.
+    item_in_use_party = false,
+
     on_start = function(self)
         return 0
     end,
 
     on_button = function(self, button, event)
         if UiContainer.current_menu == "item" then
-            if UiContainer.current_submenu == "" then
+            if UiContainer.current_submenu == "bar_selection" then
                 if button == "Escape" and event == "Press" then
+                    UiContainer.current_menu = "main"
                     script:request_end_sync(Script.UI, "ItemMenu", "hide", 0)
                 elseif button == "Right" then
-
+                    self.bar_position = self.bar_position + 1
+                    if self.bar_position > self.bar_position_total then
+                        self.bar_position = 1
+                    end
+                    ui_manager:get_widget("ItemMenu.Container.ItemMenuTopBar.Cursor"):set_default_animation("Position" .. self.bar_position)
                 elseif button == "Left" then
-
+                    self.bar_position = self.bar_position - 1
+                    if self.bar_position < 1 then
+                        self.bar_position = self.bar_position_total
+                    end
+                    ui_manager:get_widget("ItemMenu.Container.ItemMenuTopBar.Cursor"):set_default_animation("Position" .. self.bar_position)
                 elseif button == "Enter" then
-                    if bar_position == 1 then
-                        print("Select item")
-                    elseif bar_position == 2 then
+                    if self.bar_position == 1 then
+                        self.submenu_items(self)
+                    elseif self.bar_position == 2 then
                         print("Unimplemented: Order")
-                    elseif bar_position == 3 then
+                    elseif self.bar_position == 3 then
                         print("Unimplemented: Key Items")
                     else
                         return 0
@@ -49,7 +64,7 @@ UiContainer.ItemMenu = {
                     if self.item_cursor_position == self.item_cursor_position_total then
                         -- The cursor is at the end. Scroll page, but dont change cursor.
                         self.first_item_in_window = self.first_item_in_window + 1
-                        self.populate_items()
+                        self.populate_items(self)
                     else
                         -- The cursor is not at the end, move cursor down.
                         self.item_cursor_position = self.item_cursor_position + 1
@@ -67,10 +82,10 @@ UiContainer.ItemMenu = {
                         return 0
                     end
                     self.item_cursor_item_selected = self.item_cursor_item_selected - 1
-                    if self.item_cursor_position == self.item_cursor_position_total then
+                    if self.item_cursor_position == 1 then
                         -- The cursor is at the end. Scroll page, but dont change cursor.
                         self.first_item_in_window = self.first_item_in_window - 1
-                        self.populate_items()
+                        self.populate_items(self)
                     else
                         -- The cursor is not at the end, move cursor down.
                         self.item_cursor_position = self.item_cursor_position - 1
@@ -82,39 +97,64 @@ UiContainer.ItemMenu = {
                     else
                         desc_label:set_text("")
                     end
+                elseif button == "Escape" and event == "Press" then
+                    self.submenu_bar(self)
+                    UiContainer.current_submenu = "bar_selection"
+                    ui_manager:get_widget("ItemMenu.Container.ItemList.Cursor"):set_visible(false)
+                elseif button == "Enter" then
+                    if Game.Items[Inventory[self.item_cursor_item_selected].item].menu == 1 then
+                        self.item_in_use = Inventory[self.item_cursor_item_selected].item
+                        if (Game.Items[Inventory[self.item_cursor_item_selected].item].target.default_multiple) == 1 then
+                            self.item_in_use_party = true
+                            self.submenu_chars(self, true)
+                        else
+                            self.item_in_use_party = false
+                            self.submenu_chars(self, false)
+                        end
+                    else
+                        print("BEEP")
+                    end
+                    --self.submenu_bar(self)
+                    --UiContainer.current_submenu = "bar_selection"
+                    --ui_manager:get_widget("ItemMenu.Container.ItemList.Cursor"):set_visible(false)
                 end
             elseif UiContainer.current_submenu == "char_selection" then
+                if button == "Down" then
+                    if self.item_in_use_party == true then
+                        return 0
+                    else
+                        self.char_position = self.char_position + 1
+                        if self.char_position > self.char_position_total then
+                            self.char_position = 1
+                        end
+                        ui_manager:get_widget("ItemMenu.Container.ItemMenuCharacters.Cursor"):set_default_animation("Position" .. self.char_position)
+                    end
+                elseif button == "Up" then
+                    if self.item_in_use_party == true then
+                        return 0
+                    else
+                        self.char_position = self.char_position - 1
+                        if self.char_position < 1 then
+                            self.char_position = self.char_position_total
+                        end
+                        ui_manager:get_widget("ItemMenu.Container.ItemMenuCharacters.Cursor"):set_default_animation("Position" .. self.char_position)
+                    end
+                elseif button == "Escape" then
+                    self.submenu_items(self)
+                elseif button == "Enter" then
+                    local use_result = false
+                    if self.item_in_use_party == true then
+                        use_result = self.use_item(self, self.item_in_use, nil)
+                    else
+                        use_result = self.use_item(self, self.item_in_use, self.char_position)
+                    end
+                    if use_result == false then
+                        print("USE BEEP")
+                    end
+                end
             elseif UiContainer.current_submenu == "key_items" then
             end
         end
-        --[[if ui_manager:get_widget("ItemMenu"):is_visible() == true then
-            local characters  = ui_manager:get_widget("MainMenu.Container.Characters")
-            local menu        = ui_manager:get_widget("MainMenu.Container.Menu")
-            local menu_cursor = ui_manager:get_widget("MainMenu.Container.Menu.Cursor")
-            local timegil     = ui_manager:get_widget("MainMenu.Container.TimeGil")
-            local location    = ui_manager:get_widget("MainMenu.Container.Location")
-
-            if button == "Escape" and event == "Press" then
-                script:request_end_sync(Script.UI, "ItemMenu", "hide", 0)
-            elseif button == "Down" then
-                self.position = self.position + 1
-                if self.position > self.position_total then
-                    self.position = 1;
-                end
-                menu_cursor:set_default_animation("Position" .. self.position)
-            elseif button == "Up" then
-                self.position = self.position - 1
-                if self.position <= 0 then
-                    self.position = self.position_total;
-                end
-                menu_cursor:set_default_animation("Position" .. self.position)
-            end
-        elseif FFVII.MenuSettings.available == true then
-            if button == "Escape" and event == "Press" then
-                script:request_end_sync(Script.UI, "ItemMenu", "show", 0)
-            end
-        end
-        ]]
         return 0
     end,
 
@@ -124,15 +164,459 @@ UiContainer.ItemMenu = {
     show = function(self)
         ui_manager:get_widget("ItemMenu"):set_visible(true)
         UiContainer.current_menu = "item"
-        UiContainer.current_submenu = "item_selection"
-        Inventory.add_item(0, 7)
+        Inventory.add_item(0, 2)
         Inventory.add_item(1, 4)
         Inventory.add_item(42, 3)
         Inventory.add_item(1, 4)
+        Inventory.add_item(6, 5)
+        Inventory.add_item(13, 2)
+        Inventory.add_item(14, 4)
+        Characters[0].stats.hp.current = 10
+        self.char_position_total = 0
+        for c = 1, 3 do
+            if FFVII.Party[c] ~= nil then
+                self.char_position_total = self.char_position_total + 1
+                UiContainer.populate_character_data("ItemMenu.Container.ItemMenuCharacters.Character" .. tostring(c), Characters[FFVII.Party[c]])
+            else
+                UiContainer.populate_character_data("ItemMenu.Container.ItemMenuCharacters.Character" .. tostring(c), nil)
+            end
+        end
         self.populate_items(self)
+        self.submenu_items(self)
         return 0;
     end,
 
+    submenu_bar = function(self)
+        UiContainer.current_submenu = "bar_selection"
+        ui_manager:get_widget("ItemMenu.Container.ItemList.Cursor"):set_visible(false)
+        ui_manager:get_widget("ItemMenu.Container.ItemMenuCharacters.Cursor"):set_visible(false)
+        ui_manager:get_widget("ItemMenu.Container.ItemMenuCharacters.CursorMultiple"):set_visible(false)
+        ui_manager:get_widget("ItemMenu.Container.ItemMenuTopBar.Cursor"):set_visible(true)
+        ui_manager:get_widget("ItemMenu.Container.ItemMenuTopBar.Cursor"):set_default_animation("Position" .. self.bar_position)
+        ui_manager:get_widget("ItemMenu.Container.ItemMenuSecondBar.ItemText"):set_text("")
+    end,
+
+    submenu_items = function(self)
+        UiContainer.current_submenu = "item_selection"
+        ui_manager:get_widget("ItemMenu.Container.ItemList.Cursor"):set_visible(true)
+        ui_manager:get_widget("ItemMenu.Container.ItemList.Cursor"):set_default_animation("Position" .. self.item_cursor_position)
+        ui_manager:get_widget("ItemMenu.Container.ItemMenuCharacters.Cursor"):set_visible(false)
+        ui_manager:get_widget("ItemMenu.Container.ItemMenuCharacters.CursorMultiple"):set_visible(false)
+        --ui_manager:get_widget("ItemMenu.Container.ItemMenuTopBar.Cursor"):set_visible(false)
+        -- Show description of the very first item, if any.
+        if (Inventory[0] ~= nil) then
+            ui_manager:get_widget("ItemMenu.Container.ItemMenuSecondBar.ItemText"):set_text(Game.Items[Inventory[0].item].description)
+        else
+            ui_manager:get_widget("ItemMenu.Container.ItemMenuSecondBar.ItemText"):set_text("")
+        end
+    end,
+
+    submenu_chars = function(self, multiple)
+        UiContainer.current_submenu = "char_selection"
+        --ui_manager:get_widget("ItemMenu.Container.ItemList.Cursor"):set_visible(false)
+        --ui_manager:get_widget("ItemMenu.Container.ItemMenuTopBar.Cursor"):set_visible(false)
+        if (multiple == true) then
+            ui_manager:get_widget("ItemMenu.Container.ItemMenuCharacters.Cursor"):set_visible(false)
+            ui_manager:get_widget("ItemMenu.Container.ItemMenuCharacters.CursorMultiple"):set_visible(true)
+        else
+            ui_manager:get_widget("ItemMenu.Container.ItemMenuCharacters.CursorMultiple"):set_visible(false)
+            ui_manager:get_widget("ItemMenu.Container.ItemMenuCharacters.Cursor"):set_visible(true)
+            ui_manager:get_widget("ItemMenu.Container.ItemMenuCharacters.Cursor"):set_default_animation("Position" .. self.char_position)
+        end
+    end,
+
+    --- Uses an item from the menu.
+    --
+    -- Checks the item conditions. If they are valid, uses the item and discounts 1 from the
+    -- inventory.
+    -- TODO: If after using a item, the quantity becames 0, go back to the item selection menu.
+    --
+    -- @param item The ID of the item being used.
+    -- @param character_pos Position in the party of the character on which to use the item (1-3). If
+    -- nil, the item affects the whole party.
+    use_item = function(self, item, character_pos)
+        char_id = -1
+        if character_pos then
+            char_id = FFVII.Party[character_pos]
+            -- Normal item, use in one character.
+        else
+            -- Party item, use in all characters.
+        end
+
+        -- TODO: Refactor this. Use damage formulas, power and restore types to make it less
+        -- hardcoded
+        -- TODO: When HP MAX is fixed, use it instead of base.
+        if Game.Items[item].dmg_formula == 2 then
+            -- HP or MP heal: Potion, Hi-Potion, X-Potion, Ether, Turbo Ether, Phoenix Down
+            if Game.Items[item].dmg_modifier == 6 then
+                -- Partial restore: Potion, Hi-Potion, Ether
+                if Game.Items[item].restore == 0 then
+                    -- Partial HP restore: Potion, Hi potion. Based on power.
+                    if char_id == -1 then
+                        return false
+                    end
+                    if Characters[char_id].stats.hp.current < Characters[char_id].stats.hp.base then
+                        Characters[char_id].stats.hp.current = Characters[char_id].stats.hp.current + (25 * Game.Items[item].power)
+                        if Characters[char_id].stats.hp.current > Characters[char_id].stats.hp.base then
+                            Characters[char_id].stats.hp.current = Characters[char_id].stats.hp.base
+                        end
+                        UiContainer.populate_character_data("ItemMenu.Container.ItemMenuCharacters.Character" .. tostring(character_pos), Characters[char_id])
+                        UiContainer.populate_character_data("MainMenu.Container.Characters.Character" .. tostring(character_pos), Characters[char_id])
+                    else
+                        return false
+                    end
+                elseif Game.Items[item].restore == 1 then
+                    -- Partial MP restore: Ether. Based on power.
+                    if Characters[char_id].stats.mp.current < Characters[char_id].stats.mp.base then
+                        Characters[char_id].stats.mp.current = Characters[char_id].stats.mp.current + (25 * Game.Items[item].power)
+                        if Characters[char_id].stats.mp.current > Characters[char_id].stats.mp.base then
+                            Characters[char_id].stats.mp.current = Characters[char_id].stats.mp.base
+                        end
+                        UiContainer.populate_character_data("ItemMenu.Container.ItemMenuCharacters.Character" .. tostring(character_pos), Characters[char_id])
+                        UiContainer.populate_character_data("MainMenu.Container.Characters.Character" .. tostring(character_pos), Characters[char_id])
+                    else
+                        return false
+                    end
+                end
+            elseif Game.Items[item].dmg_modifier == 4 then
+                -- Full restore: X-Potion, Turbo Ether or partial resurrect: Phoenix Down.
+                if Game.Items[item].restore == 0 then
+                    -- Full HP restore: X-Potion. Power ignored.
+                    if char_id == -1 then
+                        return false
+                    end
+                    if Characters[char_id].stats.hp.current < Characters[char_id].stats.hp.base then
+                        Characters[char_id].stats.hp.current = Characters[char_id].stats.hp.base
+                        UiContainer.populate_character_data("ItemMenu.Container.ItemMenuCharacters.Character" .. tostring(character_pos), Characters[char_id])
+                        UiContainer.populate_character_data("MainMenu.Container.Characters.Character" .. tostring(character_pos), Characters[char_id])
+                    else
+                        return false
+                    end
+                elseif Game.Items[item].restore == 1 then
+                    -- Full MP restore: Turbo ether. Power ignored.
+                    if Characters[char_id].stats.mp.current < Characters[char_id].stats.mp.base then
+                        Characters[char_id].stats.mp.current = Characters[char_id].stats.mp.base
+                        UiContainer.populate_character_data("ItemMenu.Container.ItemMenuCharacters.Character" .. tostring(character_pos), Characters[char_id])
+                        UiContainer.populate_character_data("MainMenu.Container.Characters.Character" .. tostring(character_pos), Characters[char_id])
+                    else
+                        return false
+                    end
+                else
+                    -- Resurrect: Phoenix down. Power / 32 is the percent of max HP.
+                    if Characters[char_id].stats.hp.current == 0 then
+                        Characters[char_id].stats.hp.current = math.floor(Game.Items[item].power * Characters[char_id].stats.hp.current / 32)
+                        if Characters[char_id].stats.hp.current > Characters[char_id].stats.hp.base then
+                            Characters[char_id].stats.hp.current = Characters[char_id].stats.hp.base
+                        end
+                        UiContainer.populate_character_data("ItemMenu.Container.ItemMenuCharacters.Character" .. tostring(character_pos), Characters[char_id])
+                        UiContainer.populate_character_data("MainMenu.Container.Characters.Character" .. tostring(character_pos), Characters[char_id])
+                    else
+                        return false
+                    end
+                end
+            end
+        elseif Game.Items[item].dmg_formula == 0 and Game.Items[item].dmg_modifier == 0 then
+            -- Full HP and MP restore: Elixir, Megalixir
+            if Game.Items[item].target.default_multiple == 0 then
+                --Full HP and MP restore for single target: Elixir.
+                if Characters[char_id].stats.hp.current < Characters[char_id].stats.hp.base or Characters[char_id].stats.mp.current < Characters[char_id].stats.mp.base then
+                    Characters[char_id].stats.hp.current = Characters[char_id].stats.hp.base
+                    Characters[char_id].stats.mp.current = Characters[char_id].stats.mp.base
+                    UiContainer.populate_character_data("ItemMenu.Container.ItemMenuCharacters.Character" .. tostring(character_pos), Characters[char_id])
+                    UiContainer.populate_character_data("MainMenu.Container.Characters.Character" .. tostring(character_pos), Characters[char_id])
+                else
+                    return false
+                end
+            else
+                --Full HP and MP restore for party: MegaElixir.
+                local useable = false;
+                for c = 1, 3 do
+                    if Characters[c] ~= nil then
+                        if Characters[c].stats.hp.current < Characters[c].stats.hp.base then
+                            useable = true
+                        elseif Characters[c].stats.mp.current < Characters[c].stats.mp.base then
+                            useable = true
+                        end
+                    end
+                end
+                if useable == true then
+                    for pos = 1, 3 do
+                        if Characters[Party[pos]] ~= nil then
+                            Characters[Party[pos]].stats.hp.current = Characters[Party[pos]].stats.hp.base
+                            Characters[Party[pos]].stats.mp.current = Characters[Party[pos]].stats.mp.base
+                            UiContainer.populate_character_data("ItemMenu.Container.ItemMenuCharacters.Character" .. tostring(pos), Characters[Party[pos]])
+                            UiContainer.populate_character_data("MainMenu.Container.Characters.Character" .. tostring(pos), Characters[Party[pos]])
+                        end
+                    end
+                else
+                    return false
+                end
+            end
+        elseif Game.Items[item].dmg_formula == 4 then
+            -- Status change: Hyper, Tranquilizer
+            if #(Game.Items[item].status) > 0 then
+                for _, status in ipairs(Game.Items[item].status) do
+                    if status.status == 5 then
+                        -- Fury. Cure saddness or induce fury.
+                        local sadness_key = -1
+                        local fury_key = -1
+                        for st_key, st_val in ipairs(Characters[char_id].status) do
+                            if st_val == 4 then
+                                sadness_key = st_key
+                            elseif st_val == 5 then
+                                fury_key = st_key
+                            end
+                        end
+                        -- If fury already, donothing. If sad, cure. Else, apply fury.
+                        if fury_key ~= -1 then
+                            return false
+                        elseif sadness_key ~= -1 then
+                            table.remove(Characters[char_id].status, sadness_key)
+                            UiContainer.populate_character_data("ItemMenu.Container.ItemMenuCharacters.Character" .. tostring(character_pos), Characters[char_id])
+                            UiContainer.populate_character_data("MainMenu.Container.Characters.Character" .. tostring(character_pos), Characters[char_id])
+                        else
+                            table.insert(Characters[char_id].status, 5)
+                            UiContainer.populate_character_data("ItemMenu.Container.ItemMenuCharacters.Character" .. tostring(character_pos), Characters[char_id])
+                            UiContainer.populate_character_data("MainMenu.Container.Characters.Character" .. tostring(character_pos), Characters[char_id])
+                        end
+                    elseif status.status == 4 then
+                        -- Saddness. Cure fury or induce sadness.
+                        local sadness_key = -1
+                        local fury_key = -1
+                        for st_key, st_val in ipairs(Characters[char_id].status) do
+                            if st_val == 4 then
+                                sadness_key = st_key
+                            elseif st_val == 5 then
+                                fury_key = st_key
+                            end
+                        end
+                        -- If fury already, donothing. If sad, cure. Else, apply fury.
+                        if sadness_key ~= -1 then
+                            return false
+                        elseif fury_key ~= -1 then
+                            table.remove(Characters[char_id].status, fury_key)
+                            UiContainer.populate_character_data("ItemMenu.Container.ItemMenuCharacters.Character" .. tostring(character_pos), Characters[char_id])
+                            UiContainer.populate_character_data("MainMenu.Container.Characters.Character" .. tostring(character_pos), Characters[char_id])
+                        else
+                            table.insert(Characters[char_id].status, 4)
+                            UiContainer.populate_character_data("ItemMenu.Container.ItemMenuCharacters.Character" .. tostring(character_pos), Characters[char_id])
+                            UiContainer.populate_character_data("MainMenu.Container.Characters.Character" .. tostring(character_pos), Characters[char_id])
+                        end
+                    end
+                end
+
+            end
+        elseif Game.Items[item].id == 70 then
+            -- Tent. Can't be differenciated by other means other than ID. Full HP and MP restore for party.
+                local useable = false;
+                for c = 1, 3 do
+                    if Characters[c] ~= nil then
+                        if Characters[c].stats.hp.current < Characters[c].stats.hp.base then
+                            useable = true
+                        elseif Characters[c].stats.mp.current < Characters[c].stats.mp.base then
+                            useable = true
+                        end
+                    end
+                end
+                if useable == true then
+                    for pos = 1, 3 do
+                        if Characters[Party[pos]] ~= nil then
+                            Characters[Party[pos]].stats.hp.current = Characters[Party[pos]].stats.hp.base
+                            Characters[Party[pos]].stats.mp.current = Characters[Party[pos]].stats.mp.base
+                            UiContainer.populate_character_data("ItemMenu.Container.ItemMenuCharacters.Character" .. tostring(pos), Characters[Party[pos]])
+                            UiContainer.populate_character_data("MainMenu.Container.Characters.Character" .. tostring(pos), Characters[Party[pos]])
+                        end
+                    end
+                else
+                    return false
+                end
+        elseif Game.Items[item].id == 71 then
+            -- Power source. Can't be differenciated by other means other than ID. STR bonus + 1.
+            -- Original game caps bonus at 255. V-Gears doesn't.
+            Characters[char_id].stats.str.bonus = Characters[char_id].stats.str.bonus + 1
+        elseif Game.Items[item].id == 72 then
+            -- Guard source. Can't be differenciated by other means other than ID. VIT bonus + 1.
+            -- Original game caps bonus at 255. V-Gears doesn't.
+            Characters[char_id].stats.vit.bonus = Characters[char_id].stats.vit.bonus + 1
+        elseif Game.Items[item].id == 73 then
+            -- Magic source. Can't be differenciated by other means other than ID. MAG bonus + 1.
+            -- Original game caps bonus at 255. V-Gears doesn't.
+            Characters[char_id].stats.mag.bonus = Characters[char_id].stats.mag.bonus + 1
+        elseif Game.Items[item].id == 74 then
+            -- Mind source. Can't be differenciated by other means other than ID. SPR bonus + 1.
+            -- Original game caps bonus at 255. V-Gears doesn't.
+            Characters[char_id].stats.spr.bonus = Characters[char_id].stats.spr.bonus + 1
+        elseif Game.Items[item].id == 75 then
+            -- Speed source. Can't be differenciated by other means other than ID. DEX bonus + 1.
+            -- Original game caps bonus at 255. V-Gears doesn't.
+            Characters[char_id].stats.dex.bonus = Characters[char_id].stats.dex.bonus + 1
+        elseif Game.Items[item].id == 76 then
+            -- Luck source. Can't be differenciated by other means other than ID. LCK bonus + 1.
+            -- Original game caps bonus at 255. V-Gears doesn't.
+            Characters[char_id].stats.lck.bonus = Characters[char_id].stats.lck.bonus + 1
+        elseif Game.Items[item].id == 87 then
+            -- Omnislash. Can't be differenciated by other means other than ID.
+            -- Functionality hardcoded here.
+            if (char_id ~= 0) then
+                -- TODO: Show some message
+                return false
+            end
+            for l = 1, 3 do
+                if Characters[0].limit.learned[l][1] == 0 or Characters[0].limit.learned[l][2] == 0 then
+                    -- Some limit not learned yet. Show some message.
+                    return false
+                end
+            end
+            if Characters[0].limit.learned[4][1] == 1 then
+                -- Already learned
+                return false
+            end
+            Characters[0].limit.learned[4][1] = 1
+        elseif Game.Items[item].id == 88 then
+            -- Catastrophe. Can't be differenciated by other means other than ID.
+            -- Functionality hardcoded here.
+            if (char_id ~= 1) then
+                -- TODO: Show some message
+                return false
+            end
+            for l = 1, 3 do
+                if Characters[1].limit.learned[l][1] == 0 or Characters[1].limit.learned[l][2] == 0 then
+                    -- Some limit not learned yet. Show some message.
+                    return false
+                end
+            end
+            if Characters[1].limit.learned[4][1] == 1 then
+                -- Already learned
+                return false
+            end
+            Characters[1].limit.learned[4][1] = 1
+        elseif Game.Items[item].id == 89 then
+            -- Final Heaven. Can't be differenciated by other means other than ID.
+            -- Functionality hardcoded here.
+            if (char_id ~= 2) then
+                -- TODO: Show some message
+                return false
+            end
+            for l = 1, 3 do
+                if Characters[2].limit.learned[l][1] == 2 or Characters[2].limit.learned[l][2] == 0 then
+                    -- Some limit not learned yet. Show some message.
+                    return false
+                end
+            end
+            if Characters[2].limit.learned[4][1] == 1 then
+                -- Already learned
+                return false
+            end
+            Characters[2].limit.learned[4][1] = 1
+        elseif Game.Items[item].id == 90 then
+            -- Great Gospel. Can't be differenciated by other means other than ID.
+            -- Functionality hardcoded here.
+            if (char_id ~= 3) then
+                -- TODO: Show some message
+                return false
+            end
+            for l = 1, 3 do
+                if Characters[3].limit.learned[l][1] == 0 or Characters[3].limit.learned[l][2] == 0 then
+                    -- Some limit not learned yet. Show some message.
+                    return false
+                end
+            end
+            if Characters[3].limit.learned[4][1] == 1 then
+                -- Already learned
+                return false
+            end
+            Characters[3].limit.learned[4][1] = 1
+        elseif Game.Items[item].id == 91 then
+            -- Cosmo Memory. Can't be differenciated by other means other than ID.
+            -- Functionality hardcoded here.
+            if (char_id ~= 4) then
+                -- TODO: Show some message
+                return false
+            end
+            for l = 1, 3 do
+                if Characters[4].limit.learned[l][1] == 0 or Characters[4].limit.learned[l][2] == 0 then
+                    -- Some limit not learned yet. Show some message.
+                    return false
+                end
+            end
+            if Characters[4].limit.learned[4][1] == 1 then
+                -- Already learned
+                return false
+            end
+            Characters[4].limit.learned[4][1] = 1
+        elseif Game.Items[item].id == 92 then
+            -- All Creation. Can't be differenciated by other means other than ID.
+            -- Functionality hardcoded here.
+            if (char_id ~= 5) then
+                -- TODO: Show some message
+                return false
+            end
+            for l = 1, 3 do
+                if Characters[5].limit.learned[l][1] == 0 or Characters[5].limit.learned[l][2] == 0 then
+                    -- Some limit not learned yet. Show some message.
+                    return false
+                end
+            end
+            if Characters[5].limit.learned[4][1] == 1 then
+                -- Already learned
+                return false
+            end
+            Characters[5].limit.learned[4][1] = 1
+        elseif Game.Items[item].id == 93 then
+            -- Chaos. Can't be differenciated by other means other than ID.
+            -- Functionality hardcoded here.
+            if (char_id ~= 7) then
+                -- TODO: Show some message
+                return false
+            end
+            for l = 1, 3 do
+                if Characters[7].limit.learned[l][1] == 0 then
+                    -- Some limit not learned yet. Show some message.
+                    return false
+                end
+            end
+            if Characters[7].limit.learned[4][1] == 1 then
+                -- Already learned
+                return false
+            end
+            Characters[0].limit.learned[4][1] = 1
+        elseif Game.Items[item].id == 94 then
+            -- Highwind. Can't be differenciated by other means other than ID.
+            -- Functionality hardcoded here.
+            if (char_id ~= 8) then
+                -- TODO: Show some message
+                return false
+            end
+            for l = 1, 3 do
+                if Characters[8].limit.learned[l][1] == 0 or Characters[8].limit.learned[l][2] == 0 then
+                    -- Some limit not learned yet. Show some message.
+                    return false
+                end
+            end
+            if Characters[8].limit.learned[4][1] == 1 then
+                -- Already learned
+                return false
+            end
+            Characters[8].limit.learned[4][1] = 1
+        elseif Game.Items[item].id == 98 then
+            -- Save Crystal. Can't be differenciated by other means other than ID.
+            -- TODO: Implement.
+            return false
+        end
+
+        -- If this point has been reached, an item has been succesfully used.
+        -- Discount it from the inventory.
+        Inventory.remove_item(item, 1)
+        self.populate_items(self)
+
+        -- If it was the last item, go back to the list
+        if Inventory.get_item_quantity(item) == 0 then
+            self.submenu_items(self)
+        end
+        return true
+    end,
+
+
     --- Populates the visible inventory entries.
     --
     -- 10 entries visible at a time.

data/data/screens/item_menu/item_menu.xml

@@ -5,6 +5,11 @@
             <text_area name="ItemText" x="36" y="6" text_name="ItemMenuUse" font="FFVIIFont" visible="true" />
             <text_area name="ItemText" x="96" y="6" text_name="ItemMenuOrder" font="FFVIIFont" visible="true" />
             <text_area name="ItemText" x="156" y="6" text_name="ItemMenuKey" font="FFVIIFont" visible="true" />
+            <sprite name="Cursor" image="screens/images/cursor.png" x="-11" y="6" width="24" height="17" visible="true">
+                <animation name="Position1" length="0" x="0:6" />
+                <animation name="Position2" length="0" x="0:66" />
+                <animation name="Position3" length="0" x="0:126" />
+            </sprite>
         </widget>
         <widget name="ItemMenuTitle" x="254" y="5" width="86" height="24" visible="true">
             <prototype name="Window" />
@@ -34,6 +39,16 @@
                     <prototype name="MenuCharacterData" />
                 </widget>
             </widget>
+            <sprite name="Cursor" image="screens/images/cursor.png" x="-11" y="6" width="24" height="17" visible="true">
+                <animation name="Position1" length="0" y="0:25" />
+                <animation name="Position2" length="0" y="0:80" />
+                <animation name="Position3" length="0" y="0:135" />
+            </sprite>
+            <widget name="CursorMultiple" x="-11" y="0" width="24" height="150" visible="false">
+                <sprite name="Cursor1" image="screens/images/cursor.png" x="0" y="25" width="24" height="17" visible="true"/>
+                <sprite name="Cursor2" image="screens/images/cursor.png" x="0" y="80" width="24" height="17" visible="true"/>
+                <sprite name="Cursor3" image="screens/images/cursor.png" x="0" y="135" width="24" height="17" visible="true"/>
+            </widget>
         </widget>
         <widget name="ItemList" x="185" y="53" width="155" height="182" visible="true">
             <prototype name="Window" />
@@ -59,9 +74,9 @@
             <text_area name="Qty3" x="135" y="57" text_name="Placeholder" font="FFVIIFont" visible="true" />
 
             <sprite name="Icon4" image="screens/images/item_item.png" x="8" y="73" width="13" height="15" visible="true" />
-            <text_area name="Name4" x="30" y="78" text_name="Placeholder" font="FFVIIFont" visible="true" />
-            <text_area name="Colon4" x="130" y="78" text_name="Colon" font="FFVIIFont" visible="true" />
-            <text_area name="Qty4" x="135" y="78" text_name="Placeholder" font="FFVIIFont" visible="true" />
+            <text_area name="Name4" x="30" y="74" text_name="Placeholder" font="FFVIIFont" visible="true" />
+            <text_area name="Colon4" x="130" y="74" text_name="Colon" font="FFVIIFont" visible="true" />
+            <text_area name="Qty4" x="135" y="74" text_name="Placeholder" font="FFVIIFont" visible="true" />
 
             <sprite name="Icon5" image="screens/images/item_item.png" x="8" y="90" width="13" height="15" visible="true" />
             <text_area name="Name5" x="30" y="91" text_name="Placeholder" font="FFVIIFont" visible="true" />

data/data/screens/main_menu/main_menu.lua

@@ -111,9 +111,9 @@ UiContainer.MainMenu = {
 
         for c = 1, 3 do
             if FFVII.Party[c] ~= nil then
-                self.populate_character(c, Characters[FFVII.Party[c]])
+                UiContainer.populate_character_data("MainMenu.Container.Characters.Character" .. tostring(c), Characters[FFVII.Party[c]])
             else
-                self.populate_character(c, nil)
+                UiContainer.populate_character_data("MainMenu.Container.Characters.Character" .. tostring(c), nil)
             end
         end
 

data/data/screens/menu_helpers.lua

@@ -0,0 +1,70 @@
+if UiContainer == nil then UiContainer = {} end
+
+print("ADD helpers")
+
+--- Populates a character data.
+--
+-- @param widget Name of the widget with the character data.
+-- @param character The character to get the data from. If nill, the character details will be
+-- hidden.
+UiContainer.populate_character_data = function(widget, character)
+    if character == nil then
+        ui_manager:get_widget(widget):set_visible(false)
+        return 0
+    end
+
+    -- TODO: When MAX HP and MP values are fixed, use them instead of base.
+
+    local char_id = character.char_id
+    ui_manager:get_widget(widget):set_visible(true)
+
+    -- Critical?
+    if character.stats.hp.current == 0 then
+        ui_manager:get_widget(widget .. ".Data.HpCurrent"):set_colour(1.0, 0, 0)
+    elseif character.stats.hp.current <= character.stats.hp.base / 4 then
+        ui_manager:get_widget(widget .. ".Data.HpCurrent"):set_colour(1.0, 1.0, 0)
+    else
+        ui_manager:get_widget(widget .. ".Data.HpCurrent"):set_colour(0.9, 0.9, 0.9)
+    end
+
+    -- Text data
+    ui_manager:get_widget(widget .. ".Data.Name"):set_text(character.name)
+    ui_manager:get_widget(widget .. ".Data.LvNumber"):set_text(tostring(character.level))
+    ui_manager:get_widget(widget .. ".Data.HpCurrent"):set_text(tostring(character.stats.hp.current))
+    ui_manager:get_widget(widget .. ".Data.HpMax"):set_text(tostring(character.stats.hp.base))
+    ui_manager:get_widget(widget .. ".Data.MpCurrent"):set_text(tostring(character.stats.mp.current))
+    ui_manager:get_widget(widget .. ".Data.MpMax"):set_text(tostring(character.stats.mp.base))
+
+    -- Calculate the HP and MP bar.
+    local max_hp_width= ui_manager:get_widget(widget .. ".Data.HpLine"):get_width()
+    local hp_width = character.stats.hp.current * max_hp_width / character.stats.hp.base
+    ui_manager:get_widget(widget .. ".Data.HpLineCurrent"):set_width(hp_width)
+    local max_mp_width= ui_manager:get_widget(widget .. ".Data.MpLine"):get_width()
+    local mp_width = character.stats.mp.current * max_mp_width / character.stats.mp.base
+    ui_manager:get_widget(widget .. ".Data.MpLineCurrent"):set_width(mp_width)
+
+    -- Status (Fury/Sadness)
+    local fury = false
+    local sadness = false
+    for _, st in ipairs(character.status) do
+        if st == 4 then
+            sadness = true
+            break
+        elseif st == 5 then
+            fury = true
+            break
+        end
+    end
+    if fury == true then
+        ui_manager:get_widget(widget .. ".Data.Status"):set_colour(0.8, 0, 1)
+        ui_manager:get_widget(widget .. ".Data.Status"):set_text("Fury")
+    elseif sadness == true then
+        ui_manager:get_widget(widget .. ".Data.Status"):set_colour(0.8, 0, 1)
+        ui_manager:get_widget(widget .. ".Data.Status"):set_text("Sadness")
+    elseif sadness == false and fury == false then
+        ui_manager:get_widget(widget .. ".Data.Status"):set_colour(0.8, 0, 1)
+        ui_manager:get_widget(widget .. ".Data.Status"):set_text("")
+    end
+
+    return 0
+end

data/data/scripts.xml

@@ -16,6 +16,7 @@
     <script file="scripts/field.lua" />
     <script file="scripts/battle.lua" />
     <script file="scripts/battle_ai.lua" />
+    <script file="screens/menu_helpers.lua" />
 
     <system_script name="MapChanger" />
 </scripts>

data/data/scripts/system.lua

@@ -174,12 +174,9 @@ Inventory.add_item = function(item, quantity)
         print("Tried add invalid item \"" .. item .. "\".");
         return
     end
-    local old_quantity = 0
-    local index = -1
     for i = 0, MAX_INVENTORY_SLOTS do
         if Inventory[i] ~= nil and Inventory[i].item == item then
             -- Item already in inventory, add quantity
-            print("Add item " .. item .. " (" .. quantity .. "..) at a existing position " .. i)
             Inventory[i].quantity = Inventory[i].quantity + quantity
             if Inventory[i].quantity > 99 then
                 Inventory[i].quantity = 99
@@ -190,7 +187,6 @@ Inventory.add_item = function(item, quantity)
     -- Item not in inventory, search for the first available position.
     for i = 0, MAX_INVENTORY_SLOTS do
         if Inventory[i] == nil then
-            print("Add item " .. item .. " (" .. quantity .. "..) at a new position " .. i)
             Inventory[i] = {item = item, quantity = quantity}
             if Inventory[i].quantity > 99 then
                 Inventory[i].quantity = 99
@@ -208,15 +204,13 @@ end
 -- @param item The item ID.
 -- @return Number of the items in the inventory.
 Inventory.get_item_quantity = function(item)
-    if FFVII.Items[item] == nil then
-        print("Tried get quontity for invalid item \"" .. item .. "\".");
-        return
-    end
-    local quantity = 0
-    if FFVII.ItemStorage[item] ~= nil then
-        quantity = FFVII.ItemStorage[item]
+    local qty = 0
+    for i = 0, MAX_INVENTORY_SLOTS do
+        if Inventory[i] ~= nil and Inventory[i].item == item then
+            qty = qty + Inventory[i].quantity
+        end
     end
-    return quantity
+    return qty
 end
 
 --- Removes items from the inventory.
@@ -227,17 +221,15 @@ end
 -- @param item Item ID.
 -- @param quantity Quantity to remove.
 Inventory.remove_item = function(item, quantity)
-    if FFVII.Items[item] == nil then
-        print("Tried remove invalid item \"" .. item .. "\".");
-        return
-    end
-    local old_quantity = 0
-    if FFVII.ItemStorage[item] ~= nil then
-        old_quantity = FFVII.ItemStorage[item]
-    end
-    FFVII.ItemStorage[item] = old_quantity - quantity
-    if FFVII.ItemStorage[item] < 0 then
-        FFVII.ItemStorage[item] = 0
+    for i = 0, MAX_INVENTORY_SLOTS do
+        if Inventory[i] ~= nil and Inventory[i].item == item then
+            -- Item already in inventory, add quantity
+            Inventory[i].quantity = Inventory[i].quantity - quantity
+            if Inventory[i].quantity <= 0 then
+                Inventory[i] = nil
+            end
+            return
+        end
     end
 end