update docs for 4d

README.md

@@ -5,9 +5,9 @@ An overlay for Spelunky 2 to help you with modding, exploring the depths of the
 
 **Please read the [![open issues](https://img.shields.io/github/issues-raw/spelunky-fyi/overlunky)](https://github.com/spelunky-fyi/overlunky/issues) before complaining about them in the discord.**
 
-[![Overlunky](https://img.shields.io/github/v/release/spelunky-fyi/overlunky?label=Overlunky)](https://github.com/spelunky-fyi/overlunky/releases/latest) is compatible with ![Spelunky](https://img.shields.io/badge/Spelunky2-1.20.3c-green)
+[![Overlunky](https://img.shields.io/github/v/release/spelunky-fyi/overlunky?label=Overlunky)](https://github.com/spelunky-fyi/overlunky/releases/latest) is compatible with ![Spelunky](https://img.shields.io/badge/Spelunky2-1.20.4d-green)
 
-[![Overlunky](https://img.shields.io/github/v/release/spelunky-fyi/overlunky?include_prereleases&label=Overlunky)](https://github.com/spelunky-fyi/overlunky/releases/tag/whip) (prerelease build) is compatible with ![Spelunky](https://img.shields.io/badge/Spelunky2-1.20.4a-green)
+[![Overlunky](https://img.shields.io/github/v/release/spelunky-fyi/overlunky?include_prereleases&label=Overlunky)](https://github.com/spelunky-fyi/overlunky/releases/tag/whip) (prerelease build) is compatible with ![Spelunky](https://img.shields.io/badge/Spelunky2-1.20.4d-green)
 
 [WHIP builds](https://github.com/spelunky-fyi/overlunky/releases/tag/whip) are whipped together automatically from the latest changes and are not tested or documented at all. They are mainly to keep up with the ever changing scripting api and usually contain bugfixes for that. Use at your own discretion, but if you want the latest scripts, get this.
 

docs/script-api.md

@@ -114,6 +114,9 @@ Add a string option that the user can change in the UI. Read with `options.name`
 ### [`register_option_combo`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=register_option_combo)
 #### Params: `string name, string desc, string opts`
 Add a combobox option that the user can change in the UI. Read the int index of the selection with `options.name`. Separate `opts` with `\0`, with a double `\0\0` at the end.
+### [`register_option_button`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=register_option_button)
+#### Params: `string name, string desc, function callback`
+Add a button that the user can click in the UI. Sets the timestamp of last click on value and runs the callback function.
 ### [`spawn_entity`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=spawn_entity)
 #### Params: `int id, float x, float y, int layer, float vx, float vy`
 #### Returns: `int`
@@ -297,6 +300,8 @@ Try to unlock the exit at coordinates
 ### [`get_frame`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=get_frame)
 #### Returns: `int`
 Get the current global frame count since the game was started. You can use this to make some timers yourself, the engine runs at 60fps.
+### [`get_ms`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=get_ms)
+Get the current timestamp in milliseconds since the Unix Epoch.
 ### [`carry`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=carry)
 #### Params: `int mount, int rider`
 Make `mount` carry `rider` on their back. Only use this with actual mounts and living things.
@@ -584,6 +589,7 @@ end, ON.LEVEL)
 - [`EGGPLANT_WORLD`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=THEME.EGGPLANT_WORLD) 15
 - [`HUNDUN`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=THEME.HUNDUN) 16
 - [`BASE_CAMP`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=THEME.BASE_CAMP) 17
+- [`ARENA`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=THEME.ARENA) 18
 ### ON
 - [`LOGO`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=ON.LOGO) 0
 - [`INTRO`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=ON.INTRO) 1
@@ -605,6 +611,12 @@ end, ON.LEVEL)
 - [`SCORES`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=ON.SCORES) 18
 - [`CONSTELLATION`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=ON.CONSTELLATION) 19
 - [`RECAP`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=ON.RECAP) 20
+- [`ARENA_MENU`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=ON.ARENA_MENU) 21
+- [`ARENA_INTRO`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=ON.ARENA_INTRO) 25
+- [`ARENA_MATCH`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=ON.ARENA_MATCH) 26
+- [`ARENA_SCORE`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=ON.ARENA_SCORE) 27
+- [`ONLINE_LOADING`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=ON.ONLINE_LOADING) 28
+- [`ONLINE_LOBBY`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=ON.ONLINE_LOBBY) 29
 - [`GUIFRAME`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=ON.GUIFRAME) 100
 - [`FRAME`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=ON.FRAME) 101
 - [`SCREEN`](https://github.com/spelunky-fyi/overlunky/search?l=Lua&q=ON.SCREEN) 102