XRC Breakdown

What follows is a rough analysis of the meaning of the data nodes within XRC files, obtained through experimentation and just browsing through the resource tree.

Root Type	Sub Type	Name	Original Class	Description
1			W_Root_t
2		Root location	W_Level_t
2	2			Unknown2 contains scene directory number
3		Sub-scene?
3	1			Possible load hook for subdir .xrc files?
4			W_Layer_t
4	1		W_Layer2D_t?	BG/FG
4	2		W_Layer3D_t?	Main ‘layer’
5			W_Camera_t
6			W_Floor_t
7			W_Face_t
8			W_Item_t
8	3	April
8	5			Sprites?
8	8	Background
8	A			3D characters?
8	?		W_ItemVisual_t
8	?		W_ItemVis2D_t
8	?		W_ItemIntLevel_t
8	?		W_ItemIntGlobal_t
9		Script groups?	W_Script_t	Appears as subnode to root 1A 1 elements, seeming to group script events
A	0	Default AnimSet	W_AnimHierarchy_t
B			W_Anim_t
B	1	Default Anim
B	2		W_AnimSmackerStream_t
B	3		W_AnimRealtimeBones_t
C		Model Direction??	W_Direction_t
D		Flat image	W_Image_t
D	1			HiColorImage
D	3			TextImage
E	0	Animation Script	W_AnimScript_t
F		Anim Script Item	W_AnimScriptentry_t
10		Sound Item	W_Sound_t
11			W_Path_t
12			W_FloorField_t
13			W_Bookmark_t
14
14	2	Knowledge
14	4	Locations
15			W_Knowledge_t
15	0	Knowledge node?
15	2	seconds
16		Script actions	W_ScriptCommand_t
16	0	Begin
16	1	End
16	3	Call
16	4	Interactive
16	5	Goto
16	8	Game loop
16	9	Pause
16	A	Pause Rand
16	14	Fade in/out
16	51	3D Place on
16	52	3D Walk to
16	53	3D Follow path
16	54	Look at
16	57	Enable
16	5C	Use
16	5D	Play Anim
16	5E	Enable
16	5F	Show/Play
16	60	Set Bool
16	64	Set Int
16	67	Enable Floorfield
16	68	Play anim
16	70	Play Snd
16	76	Look direction
16	77	Stop Snd
16	7A	Scroll set
16	7B	FMV
16	7F	Enter diary entry
16	81	Change Snd
16	84	3D Run to
16	85	Place direction
16	87	Activate texture
16	88	Activate mesh
16	8B	Speech no talk anim
16	A2	Is on floorfield?
16	A3	Is Enabled?
16	A6	Is set?
16	AC	Is equal?
16	AF	Is Rnd?
16	B1	‘Is on place?’
16	B9	Anim is at time
17	0	Default PAT??	W_PATTable_t
1A			W_Container_t
1A	1	Scripts		Either root (‘Script’ or ‘Script Prologue’) or sub-node
1A	2	Speech
1A	5	Sound		Root or sub-node
1A	8	Stock Sounds
1A	9	FMVs
1B		Scene elements	W_Dialog_t
1D		Dialog node	W_Speech_t
1E		Background Animation	W_Light_t
20			W_Mesh_t(?)	Model (Mesh, bones, …)
21			W_Scroll_t
22			W_Fmv_t
23		Lipsync	W_Lipsync_t
24			W_AnimScriptBonesTrigger_t
25			W_String_t
26			W_TextureSet_t
26	?		W_TextureSetNormal_t
26	?		W_TextureSetFacial_t	Probably the facial textures used for the lipsync