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.text
.align 4
.set sp, 1
#ifndef __MWERKS__
.set r0,0; .set r1,1; .set r2,2; .set r3,3; .set r4,4
.set r5,5; .set r6,6; .set r7,7; .set r8,8; .set r9,9
.set r10,10; .set r11,11; .set r12,12; .set r13,13; .set r14,14
.set r15,15; .set r16,16; .set r17,17; .set r18,18; .set r19,19
.set r20,20; .set r21,21; .set r22,22; .set r23,23; .set r24,24
.set r25,25; .set r26,26; .set r27,27; .set r28,28; .set r29,29
.set r30,30; .set r31,31; .set f0,0; .set f2,2; .set f3,3
.set f1,1; .set f30,30; .set f31,31
#endif
.extern StoreCompressionClassList
.extern SZSDecompClass
.extern LZDecompClass
.extern LHDecompClass
.extern LRCDecompClass
.extern RLDecompClass
.extern DecompBufferPointer
.extern AllocFromGameHeap1
.extern OSReport
.extern TryAndFindCompressedFile
.extern DVDConvertPathToEntrynum
.global InitCompression
InitCompression:
stwu sp, -0x10(sp)
mflr r0
stw r0, 0x14(sp)
# -- Prolog
lis r3, CMsg@h
ori r3, r3, CMsg@l
crclr 4*cr1+eq
bl OSReport
lis r3, CCCL@h
ori r3, r3, CCCL@l
lis r4, CCCL_End@h
ori r4, r4, CCCL_End@l
bl StoreCompressionClassList
# Allocate a buffer for decompression stuff
li r3, 0x8B4
bl AllocFromGameHeap1
lis r4, DecompBufferPointer@h
ori r4, r4, DecompBufferPointer@l
stw r3, 0(r4)
mr r4, r3
lis r3, CMsg2@h
ori r3, r3, CMsg2@l
crclr 4*cr1+eq
bl OSReport
# -- Epilog
li r3, 1
lwz r0, 0x14(sp)
mtlr r0
addi sp, sp, 0x10
blr
.global GetFileEntrynumNew
GetFileEntrynumNew:
stwu sp, -0x20(sp)
mflr r0
stw r0, 0x24(sp)
stw r31, 0x1C(sp)
stw r30, 0x18(sp)
stw r29, 0x14(sp)
# Compression Type pointer (byte*)
mr r30, r4
# Filename
mr r29, r3
# first, try compression
# don't bother checking 5278, it's always on in NSMBW anyway
bl TryAndFindCompressedFile
cmpwi r3, -1
bne returnEntrynum
# didn't find it, so try the normal version
mr r3, r29
bl DVDConvertPathToEntrynum
# return value gets passed through
cmpwi r30, 0
beq returnEntrynum
li r0, 0
stb r0, 0(r30)
returnEntrynum:
lwz r31, 0x1C(sp)
lwz r30, 0x18(sp)
lwz r29, 0x14(sp)
lwz r0, 0x24(sp)
mtlr r0
addi sp, sp, 0x20
blr
.data
CCCL:
.long LHDecompClass
.long LZDecompClass
CCCL_End:
.long 0
CMsg:
.string "Setting up fancy decompression!\n"
CMsg2:
.string "Buffer: %p\n"
.align 4
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