211 lines
8.7 KiB
Markdown
211 lines
8.7 KiB
Markdown
# UI System
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## Scene structure
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```
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RootUI (Control, fullscreen, always visible)
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├── DebugMenu
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├── GameMenu
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│ ├── GameMenuPartyTab
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│ └── GameMenuItemsTab
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├── ChatBoxContainer
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│ └── InteractIndicator
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├── ModalBackdrop ← shared backdrop; repositions dynamically
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├── PauseMenu
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│ ├── PauseMain
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│ └── PauseSettings
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├── QuitConfirmDialog
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└── MainMenuConfirmDialog
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```
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Child order matters — later siblings render on top. `ModalBackdrop` shifts its own position in the tree at runtime to sit just below whichever modal overlay is currently topmost (see [ModalBackdrop](#modalbackdrop)).
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`RootUI` is a permanent child of `RootScene` and registers itself with the `UI` singleton on `_enter_tree`. Access its children through the `UI` singleton.
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## UI singleton
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`UI` (autoload) is the global access point.
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| Accessor | Type | Notes |
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|---|---|---|
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| `UI.DEBUG_MENU` | `DebugMenu` | Dev scene-jump overlay |
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| `UI.GAME_MENU` | `GameMenu` | JRPG-style in-game menu |
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| `UI.PAUSE_MENU` | `PauseMenu` | Pause overlay; also pauses the scene tree |
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| `UI.QUIT_DIALOG` | `QuitConfirmDialog` | "Quit to desktop?" confirm; call `.open()` to show |
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| `UI.MAIN_MENU_DIALOG` | `ConfirmDialog` | "Return to main menu?" confirm; call `.open()` to show |
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| `UI.BACKDROP` | `ModalBackdrop` | Shared semi-transparent backdrop; managed automatically |
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| `UI.dialogueActive` | `bool` | `true` for the entire duration of a `DialogueAction` |
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| `UI.activeConversation` | `bool` | `true` only during a `CONVERSATION`-mode dialogue |
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| `UI.chatBoxContainer` | `Control` | Parent node for world-space dialogue textboxes |
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`dialogueActive` is set by `DialogueManager` signals — it is broader than any single textbox being visible. Movement blocks on `dialogueActive` and on `UI.GAME_MENU.isOpen()`.
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## ClosableMenu
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Base class for any togglable panel. Extends `Control`; the `isOpen:bool` export drives `visible`.
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```gdscript
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menu.open() # shows, emits opened
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menu.close() # hides, emits closed
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menu.toggle()
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```
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Signals: `opened`, `closed`.
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All new menus that need standard show/hide behaviour should extend `ClosableMenu`.
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## ConfirmDialog
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Reusable "Yes / No" confirmation overlay at `res://ui/component/ConfirmDialog.gd`. Extends `ClosableMenu`.
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```gdscript
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dialog.open() # shows, focuses No (safe default), emits opened
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dialog.confirmed # signal — fires after Yes is pressed, before close
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```
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**Focus locking:** `focus_neighbor_top/bottom` on both buttons is wired so controller navigation cannot escape the dialog to elements behind it.
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**`ui_cancel`** closes the dialog the same as pressing No.
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**Subclassing:**
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```gdscript
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class_name MyConfirmDialog extends ConfirmDialog
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func _ready() -> void:
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super._ready()
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confirmed.connect(func(): do_the_thing())
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```
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`QuitConfirmDialog` uses this pattern — it extends `ConfirmDialog` and connects `confirmed → get_tree().quit()` in its own `_ready()`.
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**Adding a new confirm dialog:**
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1. Create a `.tscn` with `ConfirmDialog.gd` as script; set label text in the scene
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2. Add `btnYes`/`btnNo` node path exports pointing to your two buttons
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3. Add the instance to `RootUI.tscn` after `PauseMenu` (so it renders on top)
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4. Register it with the backdrop in `RootUI._ready()`: `modalBackdrop.register(myDialog)`
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5. Expose via `RootUI.gd` export + `UISingleton.gd` accessor if other systems need it
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6. Connect `myDialog.confirmed` wherever the action should fire
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## ModalBackdrop
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`res://ui/component/ModalBackdrop.gd` — a single fullscreen semi-transparent `ColorRect` shared across all modal overlays.
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**How it works:** each registered overlay's `opened`/`closed` signals are connected. When any overlay opens, the backdrop becomes visible and `move_child()`s itself in the scene tree to sit immediately before the highest-index open overlay. When all overlays close, it hides.
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**Result:** only one backdrop is ever visible, and it always sits between the game world (or lower overlays) and the frontmost open overlay — even when overlays are stacked (e.g. `QuitConfirmDialog` over `PauseMenu`).
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**Registering a new overlay:**
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```gdscript
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# In RootUI._ready() — overlay must be a direct child of RootUI and have opened/closed signals
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modalBackdrop.register(myOverlay)
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```
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`PauseMenu`, `QuitConfirmDialog`, and `MainMenuConfirmDialog` are all registered.
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## AdvancedRichText
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`RichTextLabel` subclass (`@tool`) used inside world-space dialogue textboxes. Handles:
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- Smart word-wrap (`TextServer.AUTOWRAP_WORD_SMART`)
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- Pagination via `maxLines` / `startLine` exports
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- Inline input icons: `[input action=interact]text[/input]` → replaced with the icon image from `res://ui/input/{action}.tres`
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- Optional auto-translation via Godot's `tr()`
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Supported icon actions: `interact`, `pause`, `debug`, `up`, `down`, `left`, `right`.
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## Game menu
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JRPG-style in-game menu at `res://ui/gamemenu/`. Open with the `menu` input (**Tab** on keyboard, **Y** on controller). Blocks player movement while open via `EntityMovement._canMove()`.
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**Structure:**
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- Left sidebar: `ItemList` tab selector (Party, Items)
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- Right panel: active tab content
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| Tab | Content |
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|---|---|
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| Party | One card per `PartyMember` — name, status, HP/MP, ATK/DEF/SPD/MAG/LCK |
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| Items | One row per `ItemStack` in `PARTY.BACKPACK` — item name + quantity |
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Both tabs are populated dynamically on open; call `refresh()` on the active tab directly if data changes while the menu is already open.
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**Key methods on `GameMenu`:**
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| Method | Effect |
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| `open()` | Shows menu, refreshes active tab, grabs sidebar focus |
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| `close()` | Hides menu |
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| `isOpen() -> bool` | Visibility state |
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`ui_cancel` or `menu` closes the menu. The `menu` input opens it only when `UI.dialogueActive` is false and the textbox is closed.
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To add a new tab: add a value to `GameMenu.Tab`, create a tab scene/script under `ui/gamemenu/`, instance it in `GameMenu.tscn` as a sibling of the other tabs, add an `@export` for it in `GameMenu.gd`, and add the `match` branch in `_selectTab()`.
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## Pause menu
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`PauseMenu` wraps `PauseMain` (button list) and `PauseSettings` (settings tabs). Opening it calls `get_tree().paused = true`; closing restores it.
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| Method | Effect |
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| `PauseMenu.open()` | Pauses tree, shows container, opens PauseMain, emits `opened` |
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| `PauseMenu.close()` | Unpauses tree, hides everything, emits `closed` |
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| `PauseMenu.isOpen() -> bool` | Visibility state |
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**`ui_cancel` behaviour inside PauseMenu:**
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- If `QuitConfirmDialog` or `MainMenuConfirmDialog` is open → ignored (the dialog handles it)
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- If `PauseSettings` is open → closes settings, reopens PauseMain
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- Otherwise → closes PauseMenu
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**PauseMain buttons:**
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| Button | Behaviour |
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| Resume | Closes PauseMenu |
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| Settings | Opens PauseSettings |
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| Main Menu | Opens `MainMenuConfirmDialog`; on confirm → `SCENE.setScene(INITIAL)` |
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| Quit Game | Opens `QuitConfirmDialog`; on confirm → `get_tree().quit()` |
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When either confirm dialog cancels, focus returns to the button that opened it.
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**Cannot open on main menu:** `Pause.gd` checks `SCENE.currentScene == INITIAL` and skips opening when already closed.
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## Main menu
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`res://ui/mainmenu/MainMenu.tscn`. Buttons: **New Game**, **Settings**, **Quit Game**.
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- New Game → `SCENE.setScene(OVERWORLD)` + `OVERWORLD.mapChange(...)`
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- Settings → opens the `MainMenuSettings` overlay
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- Quit Game → opens `UI.QUIT_DIALOG`; on cancel, focus returns to the Quit button
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## Settings menu
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`SettingsMenu` is a shared tabbed component instanced in both `MainMenuSettings` and `PauseSettings`. Three tabs: **Gameplay**, **Sound**, **Graphics** — currently contain placeholder labels only.
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## Debug menu
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`DebugMenu` (toggle via `debug` input — **F1**) provides four scene-jump buttons:
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| Button | Action |
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| Overworld | `SCENE.setScene(OVERWORLD)` |
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| Battle | `SCENE.setScene(BATTLE)` |
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| Cooking | `SCENE.setScene(COOKING)` |
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| Initial | `SCENE.setScene(INITIAL)` |
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Access via `UI.DEBUG_MENU`. Starts hidden.
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## Theme & assets
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- Global theme: `res://ui/UI Theme.tres` — applied to all UI nodes
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- Input icons: `res://ui/input/{action}.tres` — one file per action name
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- Font: configured globally in project settings
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## Adding a new menu
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1. Create a scene whose root extends `ClosableMenu` (or `Control` if open/close isn't needed)
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2. Add it as a child of `RootUI.tscn` — position after `PauseMenu` if it should render above it
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3. Export a typed reference on `RootUI.gd` and wire it in the Inspector
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4. Expose via a getter on `UISingleton.gd` if other systems need access (follow the `PAUSE_MENU` / `GAME_MENU` pattern)
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5. If it needs a backdrop, register it: `modalBackdrop.register(myMenu)` in `RootUI._ready()`
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