Allow dialogues to be hidden or shown
To do this, MENU and SUBMENU are split into two types (at last), and a Widget type is introduced. This should allow lots of code to be removed at some point.
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@@ -140,59 +140,71 @@ files.
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## `MENUTYPE`
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Here's the full list of
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Here's the full list of values for `MENUTYPE`:
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| Value | Meaning |
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| ----- | ------------ |
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| 0 | `Background` |
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| 1 | `Menu` |
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| 2 | `DragMenu` |
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| 3 | `RadioMenu` ??? - only seen in `LevelPly` and `LoadGame` around select-one items |
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| 45 | `MainBackground` ??? - only seen in `MainGame` and `MainGameChaos` |
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| 300 | `Dialogue` |
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The `MENUTYPE` acts as a logical grouping of a set of objects onscreen, and
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gives strong hints about how to handle their children.
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## `SUBMENUTYPE`
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## (Sub)menu types
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The types seem to refer to different types of UI widget. Here's a list of unique
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values:
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| Value | Meaning |
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|-------|---------|
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| 0 | Background |
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| 1 | Logical menu grouping? |
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| 2 | ? |
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| 3 | Standard button? |
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| 30 | Equipment? |
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| 31 | "Character helmet" / "Slot" |
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| 40 | "X Line Y" |
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| 41 | "X Line Y" |
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| 45 | ? |
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| 45,10,11,9 | ? |
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| 45,11,12,10 | ? |
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| 45,14,15,13 | ? |
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| 45,17,18,16 | ? |
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| 45,3,4,2 | ? |
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| 45,5,6,4 | ? |
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| 45,6,7,5 | ? |
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| 45,7,8,6 | ? |
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| 45,8,9,7 | ? |
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| 45,9,10,8 | ? |
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| 50 | ? |
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| 60 | Other text to display? (`UltEquip.mnu`) |
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| 61 | Text to display |
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| 70 | Hypertext to display |
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| 91 | ? |
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| 100 | ? |
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| 110 | ? |
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| 120 | ? |
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| 200 | Drop-down button? |
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| 205 | Single list box item? |
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| 220 | Psyker power? |
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| 221 | Page? |
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| 228 | Big buttons in `Main.mnu` |
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| 232 | ? |
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| 233 | ? |
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| 300 | Pop-up dialog box |
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| 400,0,0,{8, 16} | ? |
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| 400,22,22,{2, 4, 5, 6, 7, 8, 9, 9, 10, 13, 16} | ? |
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| 400,30,-1,5 | ? |
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| 405,0,0,{8, 16} | ? |
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| 405,22,22,{2, 4, 5, 6, 7, 8, 9, 10, 13, 16} | ? |
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| 405,30,-1,5 | ? |
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| 3 | `Button` |
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| 30 | `DoorHotspot1` |
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| 31 | `DoorHotspot2` |
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| 40 | `LineKbd` |
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| 41 | `LineBriefing` |
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| 45 | `Thumb` |
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| 50 | `InvokeButton` |
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| 60 | `DoorHotspot3` |
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| 61 | `Overlay` |
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| 70 | `Hypertext` |
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| 91 | `Checkbox` |
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| 100 | `EditBox` |
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| 110 | `InventorySelect` |
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| 120 | `RadioButton` |
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| 200 | `DropdownButton` |
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| 205 | `ComboBoxItem` |
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| 220 | `AnimationSample` |
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| 221 | `AnimationHover` |
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| 228 | `MainButton` |
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| 232 | `Slider` |
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| 233 | `StatusBar` |
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| 400 | `ListBoxUp` |
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| 405 | `ListBoxDown` |
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`400`, `405`, and `45`, can all accept 4 values for `SUBMENUTYPE` in a
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comma-separated list. These records combine to form a `TListBox` control, with a
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number of visible slots that act as a viewport. There is a draggable vertical
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slider (the "thumb") to show where in the full list the viewport is, and up +
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down buttons to move the position of the thumb by one, so it's feasible that
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these values tell us about the available steps.
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Here are the values in `Briefing.mnu`:
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```
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#rem..........List Box Menu
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MENUTYPE : 1 # List Box Menu
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SUBMENUTYPE: 400,22,22,13 # Scroll Up
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SUBMENUTYPE: 405,22,22,13 # Scroll Down
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SUBMENUTYPE: 45, 14,15,13 # Thumb
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```
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There are 13 elements in this listbox, which sorts out the fourth number (but
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what is it used for?). The other two need more investigation.
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## Positioning
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@@ -205,6 +217,9 @@ successfully, for instance:
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However, it's *not* sufficient to put all the items for `MainGame.mnu` in the
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right place.
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## Animation
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This seems to be done by choosing a different sprite to draw every N ticks. They
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@@ -248,36 +263,6 @@ attributes plucked from `Main.mnu`:
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The buttons, menu title and version hotspot are submenus of the start menu.
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### `MENUTYPE`
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This is the only menu where we see a type of 228. ~750 other unique values are
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observed, suggesting structure. For instance, we have `24`, `240`, `241` and
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`2410`, but not `2411` or `2409`. Sometimes we have a comma-separated list,
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e.g.: `400,30,-1,5`.
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A listing of some currently-known values:
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| Value | Type |
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| ----- | ---------------- |
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| 0 | Static image |
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| 1 | Menu |
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| 3 | Button |
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| 45 | Thumb |
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| 50 | Invoke? Button? |
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| 61 | "Overlay" |
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| 70 | "Hypertext" |
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| 91 | Checkbox |
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| 220 | Animation sample |
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| 228 | Main menu button |
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| 232 | Slider |
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Hypothesis: `MENUTYPE` and `SUBMENUTYPE` are actually distinct lists of values.
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So far, I've been treating them as the same thing, but, e.g., `MainGame.mnu` has
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a `MENUTYPE: 45` which is labelled "MAIN BACKGROUND", while `SUBMENUTYPE: 45`
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is tentatively labelled a "thumb" and used in text boxes. There are also a few
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cases where I've had to manually override the `MENUTYPE` because it coincides
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with `Button`.
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### `ACTIVE`
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There are only 4 values seen across all menus: `0`, `1`, `1,0`, `102` and `1,1`.
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