Scenes: Difference between revisions

Revision as of 19:33, 15 July 2026

Description

This page has documentation on the "Scene" system seen in Luigi's Mansion, which handles the most basic game states (Title Screen, Boot, Main Game, etc).

Definitions

Scene Structure
Member Name	Member Type	Member Offset	Member Description
mName	`char[16]`	`0x00`	The name of the scene.
_10	`s16 (signed 16-bit integer)`	`0x10`	Currently unknown, but could be some sort of id.
mInitFn	`void (*SceneInitFunc)()`	`0x14`	A pointer to the scene's function used for initializing the scene.
mUpdateFn	`u32 (*SceneUpdateFunc)()`	`0x18`	A pointer to the scene's function used for updating the scene every frame.
mDrawFn	`void (*SceneDrawFunc)()`	`0x1C`	A pointer to the scene's function used for drawing the scene every frame.
mDestroyFn	`void (*SceneDestroyFunc)()`	`0x20`	A pointer to the scene's function used for destroying the scene and it's resources.

Scene IDs
ID	Enum Name
`0`	SCENE_BOOT
`1`	SCENE_TITLE
`2`	SCENE_MAIN_GAME
`3`	SCENE_SELECT
`4`	SCENE_OPENING
`5`	SCENE_STUFF_ROLL (Staff Roll)
`6`	SCENE_ENDING
`7`	SCENE_MOVIE

References

Luigi's Mansion Decompilation

@@ Line 3: / Line 3: @@
 == Definitions ==
-==== Scene Structure ====
 {| class="wikitable"
+|+ Scene Structure
 ! Member Name
 ! Member Type
@@ Line 39: / Line 39: @@
 | <code>0x20</code>
 | A pointer to the scene's function used for destroying the scene and it's resources.
+|}
+{| class="wikitable"
+|+ Scene IDs
+|-
+! ID !! Enum Name
+|-
+| <code>0</code> || SCENE_BOOT
+|-
+| <code>1</code> || SCENE_TITLE
+|-
+| <code>2</code> || SCENE_MAIN_GAME
+|-
+| <code>3</code> || SCENE_SELECT
+|-
+| <code>4</code> || SCENE_OPENING
+|-
+| <code>5</code> || SCENE_STUFF_ROLL (Staff Roll)
+|-
+| <code>6</code> || SCENE_ENDING
+|-
+| <code>7</code> || SCENE_MOVIE
 |}
 == References ==
 [https://github.com/ThePlayerRolo/lm-decomp/blob/main/include/Unsorted/Scene.hpp Luigi's Mansion Decompilation]