initial commit. now I can start playing with stuff!

1 files changed, 149 insertions, 0 deletions

diff --git a/src/scene.S b/src/scene.S
new file mode 100644
index 0000000..8a8404c
--- /dev/null
+++ b/src/scene.S
@@ -0,0 +1,149 @@
+.extern currentHeap
+.extern MakeScene
+.extern DVDClass
+.extern GetSceneLightInfo
+.extern GetRes
+.extern GetAnmScn
+.extern BindAnmScn
+.extern AssignAnmScnToLightInfo
+.extern LoadBlight
+.extern LoadBlmap
+
+
+.text
+
+.set sp,1
+.set rtoc,2
+
+.global LoadMapScene
+LoadMapScene:
+	stwu sp, -0x30(sp)
+	mflr r0
+	stw r0, 0x34(sp)
+
+	stw r31, 0x2C(sp)
+
+
+
+	lis r3, currentHeap@h
+	ori r3, r3, currentHeap@l
+	lwz r3, 0(r3)
+
+	li r4, 36	#Light count
+	li r5, 8	#Ambient light count
+	li r6, 2	#Dunno
+	li r7, 0	#Make fog (bool)
+	li r8, 0	#Scene ID
+
+	bl MakeScene
+
+
+	# Now make the actual scene!
+	# Get light info
+	li r3, 0
+	bl GetSceneLightInfo
+	mr r31, r3
+
+	# Get scene/scene.brres
+	lis r3, DVDClass@h
+	ori r3, r3, DVDClass@l
+	addi r3, r3, 4
+
+	lis r4, EnvWorld@h
+	ori r4, r4, EnvWorld@l
+
+	lis r5, SceneBrres@h
+	ori r5, r5, SceneBrres@l
+
+	bl GetRes
+
+	# Got that, now get the AnmScn we want (MainSelect)
+	stw r3, 0x0C(sp)	#ResFile
+
+	addi r3, sp, 0xC
+	lis r4, MainSelect@h
+	ori r4, r4, MainSelect@l
+	bl GetAnmScn
+	stw r3, 0x10(sp)
+
+	# Bind it
+	addi r3, sp, 0x10
+	addi r4, sp, 0x10
+	bl BindAnmScn
+
+	# Add it to lightinfo
+	mr r3, r31			#This
+	addi r4, sp, 0x10	#AnmScn pointer
+	li r5, -1			#Dunno
+	li r6, 3			#Dunno
+
+	lis r9, Zero@h
+	ori r9, r9, Zero@l
+	lfs f1, 0(r9)		#Dunno
+
+	bl AssignAnmScnToLightInfo
+
+
+	# Now set up the rest of the scene
+	# Get blight
+	lis r3, DVDClass@h
+	ori r3, r3, DVDClass@l
+	addi r3, r3, 4
+
+	lis r4, EnvWorld@h
+	ori r4, r4, EnvWorld@l
+
+	lis r5, BlightW1@h
+	ori r5, r5, BlightW1@l
+
+	bl GetRes
+
+	# Load it into lightinfo
+	mr r4, r3
+	mr r3, r31
+	bl LoadBlight
+
+
+
+	# Do the same for blmap
+	lis r3, DVDClass@h
+	ori r3, r3, DVDClass@l
+	addi r3, r3, 4
+
+	lis r4, EnvWorld@h
+	ori r4, r4, EnvWorld@l
+
+	lis r5, BlmapW1@h
+	ori r5, r5, BlmapW1@l
+
+	bl GetRes
+
+	# Load it into its class
+	mr r4, r3
+	lwz r3, 0x14(r31)
+	bl LoadBlmap
+
+
+	# DONE!!
+	lwz r31, 0x2C(sp)
+
+	lwz r0, 0x34(sp)
+	mtlr r0
+	addi sp, sp, 0x30
+	blr
+
+
+
+
+
+
+.data
+EnvWorld:	.string "Env_world"
+SceneBrres:	.string "scene/scene.brres"
+MainSelect:	.string "MainSelect"
+Zero:		.float 0.0
+BlightW1:	.string "light/W8.blight"
+BlmapW1:	.string "light/W8.blmap"
+
+.align 4
+