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a008406fde33a7a9806365c43f9a531369453eb3
alttpr-baserom/keydrop/dynamic_si_vram.asm
codemann8 a008406fde Implmented New Item GFX System
2024-03-01 14:00:10 -06:00

444 lines
12 KiB
NASM
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!DynamicDropGFXSlotCount_UW = (FreeUWGraphics_end-FreeUWGraphics)>>1
!DynamicDropGFXSlotCount_OW = (FreeOWGraphics_end-FreeOWGraphics)>>1
; Come in with
; A = item receipt ID
; X = sprite slot
RequestStandingItemVRAMSlot:
JSL AttemptItemSubstitution
JSL ResolveLootIDLong
.resolved
STA.w SprItemReceipt, X
JSL ResolveBeeTrapLong
PHX : PHY
PHA
LDA.b #$01 : STA.w SprRedrawFlag, X
JSL Sprite_IsOnscreen : BCC ++
; skip sending the request if busy with other things
LDA.b GameSubMode : CMP.b #$21 : BCS ++ ; skip if OW is loading Map16 GFX ; TODO: Figure out how to allow submodule 22, check DMA status instead
LDA.b LinkState : CMP.b #$14 : BEQ ++ ; skip if we're mid-mirror
LDA.b IndoorsFlag : BEQ + ; OW current doesn't occupy any slots that medallion gfx do
LDA.w GfxChrHalfSlotVerify : CMP.b #$03 : BCC +
++ PLA : JMP .return
+
LDA.b 1,S : PHX : JSL GetSpritePalette : PLX : STA.w SpriteOAMProp, X ; setup the palette
PLA
; gfx that are already present in vanilla, use that instead of a new slot
CMP.b #$34 : BCC + : CMP.b #$36+1 : BCS + ; if rupees, use animated rupee OAM slot
LDA.b IndoorsFlag : BEQ ++
LDA.b #!DynamicDropGFXSlotCount_UW
BRA +++
++ LDA.b #!DynamicDropGFXSlotCount_OW
+++ INC : STA.w SprItemGFXSlot,X
JMP .success
+ CMP.b #$A0 : BCC + : CMP.b #$AF+1 : BCS + ; if key, use key OAM slot
LDY.b LinkState : CPY.b #$19 : BCC ++ : CPY.b #$1A+1 : BCS ++ ; if getting tablet item, don't use key slot
BRA +
++
LDA.b IndoorsFlag : BEQ ++
LDA.b #!DynamicDropGFXSlotCount_UW
BRA +++
++ LDA.b #!DynamicDropGFXSlotCount_OW
+++ INC #2 : STA.w SprItemGFXSlot,X
JMP .success
+ CMP.b #$D6 : BNE + ; if good bee, use bee OAM slot
LDA.b IndoorsFlag : BEQ ++
LDA.b #!DynamicDropGFXSlotCount_UW
BRA +++
++ LDA.b #!DynamicDropGFXSlotCount_OW
+++ INC #3 : STA.w SprItemGFXSlot,X
JMP .success
+ CMP.b #$D2 : BNE + ; if fairy, use fairy OAM slot
LDA.b IndoorsFlag : BEQ ++
LDA.b #!DynamicDropGFXSlotCount_UW
BRA +++
++ LDA.b #!DynamicDropGFXSlotCount_OW
+++ INC : STA.w SprItemGFXSlot,X
JMP .success
+ CMP.b #$D1 : BNE + ; if apple, use apple OAM slot
LDA.b IndoorsFlag : BEQ ++
LDA.b #!DynamicDropGFXSlotCount_UW
BRA +++
++ LDA.b #!DynamicDropGFXSlotCount_OW
+++ INC #2 : STA.w SprItemGFXSlot,X
JMP .success
+
PHA
; check if gfx that are already present from previous requests
LDY.b #$00
- LDA.w DynamicDropGFXSlots, Y : CMP.b 1,S : BEQ +
INY : CPY.b #$0F : !BLT -
STZ.w RandoOverworldTargetEdge ; some free ram OWR also uses
BRA .newSlot
+ TYA : STA.w SprItemGFXSlot,X
PLA : JMP .success
nop #10
.newSlot
PHX
LDY.b IndoorsFlag : BEQ +
LDA.b #!DynamicDropGFXSlotCount_UW-1
BRA ++
+ LDA.b #!DynamicDropGFXSlotCount_OW-1
++ STA.w DynamicDropGFXIndex
.next
LDA.w RandoOverworldTargetEdge : BNE +
; on first loop, skip over gfx slots that have some item gfx loaded
LDY.w DynamicDropGFXIndex : LDA.w DynamicDropGFXSlots, Y : BNE .slotUsed
; loop thru other sprites, check if any use the same gfx slot
+ LDY.b #$0F
- TYA : CMP.b 1,S : BEQ + ; don't check self
LDA.w SpriteAITable,Y : BEQ +
LDA.w SprRedrawFlag, Y : BNE +
LDA.w SpriteTypeTable,Y ; don't need E5 enemy big key drop and E9 powder item
CMP.b #$EB : BEQ ++ ; heart piece
CMP.b #$E4 : BEQ ++ ; enemy drop
CMP.b #$3B : BEQ ++ ; bonk item
CMP.b #$E7 : BEQ ++ ; mushroom
BRA +
++ LDA.w SprItemGFXSlot,Y : CMP.w DynamicDropGFXIndex : BNE +
; gfx slot already in use
.slotUsed
DEC.w DynamicDropGFXIndex : BMI .loopAgain : BRA .next
+ DEY : BPL -
PLX
BRA .initRequest
.loopAgain
LDA.w RandoOverworldTargetEdge : BNE .overflow
INC : STA.w RandoOverworldTargetEdge
BRA .newSlot+1
.overflow ; slot already in use, use overflow slot
LDA.b #$02 : STA.w SprRedrawFlag, X
LDA.b IndoorsFlag : BEQ ++
LDA.b #!DynamicDropGFXSlotCount_UW
BRA +++
++ LDA.b #!DynamicDropGFXSlotCount_OW
+++ STA.w SprItemGFXSlot,X
PLX : PLA : BRA .return
.initRequest
LDA.b 1,S
LDY.w DynamicDropGFXIndex : STA.w DynamicDropGFXSlots, Y
TYA : STA.w SprItemGFXSlot, X
PLA
PHX
REP #$30
ASL : TAX
LDA.l StandingItemGraphicsOffsets,X : LDX.w ItemStackPtr : STA.l ItemGFXStack,X
LDA.w DynamicDropGFXIndex : AND.w #$000F : ASL : TAX
LDA.b IndoorsFlag : AND.w #$00FF : BEQ +
LDA.l FreeUWGraphics,X : BRA ++
+ LDA.l FreeOWGraphics,X
++ LDX.w ItemStackPtr : STA.l ItemTargetStack,X
TXA : INC #2 : STA.w ItemStackPtr
SEP #$30
PLX
.success
STZ.w SprRedrawFlag, X
.return
PLY : PLX
RTL
;===================================================================================================
FreeUWGraphics:
dw $8800>>1
dw $8840>>1
dw $8980>>1
dw $9960>>1 ; Arghuss Splash apparently
dw $9C00>>1
; dw $9CA0>>1
dw $9DC0>>1
; add new slots above this line
.end
dw $0000 ; overflow slot, intentionally blank
; above this line, add slots that we want to draw to specific slots
FreeOWGraphics:
dw $8180>>1 ; Push Block
;dw $8800>>1 ; Shovel Dirt
dw $9960>>1 ; Arghuss/Zora Splash
dw $9C00>>1 ; Heart Piece
;dw $9CA0>>1 ; Apple
;dw $9DC0>>1 ; Whirlpool
; add new slots above this line
.end
dw $0000 ; overflow slot, intentionally blank
; above this line, add slots that we want to draw to specific slots
;===================================================================================================
; Come in with
; A = item receipt ID
; X = sprite slot
; Returns with Carry flag set if gfx drawing was skipped
DrawPotItem:
PHA
; TODO: allow drawing if gfx are not using a VRAM slot that changes during medallion
LDA.b IndoorsFlag : BEQ + ; OW current doesn't occupy any slots that medallion gfx do
LDA.w GfxChrHalfSlotVerify : CMP.b #$03 : BCC +
PLA : SEC : RTL
+
PLA
PHX
TAX
LDA.l BeeTrapDisguise : BEQ +
TAX
+ STA.b Scrap07 ; store loot ID temporarily, will get overwritten in Sprite_DrawMultiple_quantity_preset call
LDA.l SpriteProperties_standing_width,X : BEQ .narrow
; TODO: Instead of loading the whole fixed 16 bytes from DynamicOAMTile**_** into SpriteDynamicOAM
; Do something more like how DrawDynamicTile does it
; Then we won't need all the separate DynamicOAMTile**_** tables
.full
PLX
LDA.b #$01 : STA.b Scrap06
LDA.b #$0C : JSL OAM_AllocateFromRegionC
LDA.b #$02 : PHA
REP #$20
LDA.b IndoorsFlag : AND.w #$00FF : BEQ +
LDA.w #DynamicOAMTileUW_full
BRA .transfer
+ LDA.w #DynamicOAMTileOW_full
BRA .transfer
.narrow
PLX
LDA.b #$02 : STA.b Scrap06
LDA.b #$10 : JSL OAM_AllocateFromRegionC
LDA.b #$03 : PHA
REP #$20
LDA.b IndoorsFlag : AND.w #$00FF : BEQ +
LDA.w #DynamicOAMTileUW_thin
BRA .transfer
+ LDA.w #DynamicOAMTileOW_thin
.transfer
STA.b Scrap08
LDA.w SprItemGFXSlot,X
AND.w #$00FF
ASL : ASL : ASL : ASL
ADC.b Scrap08
STA.b Scrap08
PHK : PLY : STY.b Scrap0A
LDY.b #$7E : PHB : PHY : PLB
; transfer fixed table data into WRAM
LDY.b #$0E
- LDA.b [$08],Y : STA.w SpriteDynamicOAM,Y
DEY : DEY : BPL -
LDA.w SprItemFlags, X : AND.w #$00FF : BNE .draw
LDA.b Scrap06 : LSR : BCC +
; full
LDA.w #$0000
STA.w SpriteDynamicOAM : STA.w SpriteDynamicOAM+2
BRA .draw
+ ; narrow
LDA.w SpriteTypeTable, X : AND.w #$00FF : CMP.w #$003B : BEQ .draw ; bonk item
LDA.b RoomIndex : CMP.w #$0120 : BNE +
LDA.b IndoorsFlag : BNE .draw ; good bee statue
+
; TODO: Figure out how to target bottle vendor fish item better than this
LDA.b OverworldIndex : AND.w #$00FF : CMP.w #$0018 : BNE +
LDA.b IndoorsFlag : BEQ .draw ; bottle vendor key
+
LDA.w #$0004
STA.w SpriteDynamicOAM : STA.w SpriteDynamicOAM+8
.draw
; special handling
LDY.b Scrap07 : CPY.b #$D2 : BNE + ; fairy
LDA.b FrameCounter : AND.w #$0020 : BEQ ++ ; alternate every 32 frames
LDA.w SpriteDynamicOAM+4 : CLC : ADC.w #$02 ; use other fairy GFX
STA.w SpriteDynamicOAM+4
++ LDA.b FrameCounter : SEC : SBC.w #$10 : AND.w #$0020 : BEQ + ; alternate every 32 frames
LDA.w SpriteDynamicOAM+2 : SEC : SBC.w #$02 ; move fairy up 2 pixels
STA.w SpriteDynamicOAM+2
+ CPY.b #$D6 : BNE + ; good bee
LDA.b FrameCounter : AND.w #$0020 : BEQ ++ ; alternate every 32 frames
LDA.w SpriteDynamicOAM+12 : SEC : SBC.w #$10 ; use other fairy GFX
STA.w SpriteDynamicOAM+12
++ LDA.b FrameCounter : SEC : SBC.w #$10 : AND.w #$0020 : BEQ + ; alternate every 32 frames
LDA.w SpriteDynamicOAM+10 : SEC : SBC.w #$02 ; move fairy up 2 pixels
STA.w SpriteDynamicOAM+10
+
LDA.w #SpriteDynamicOAM : STA.b Scrap08
SEP #$20
STZ.b Scrap07
LDA.b #$00 : STA.l SpriteSkipEOR
JSL Sprite_DrawMultiple_quantity_preset
PLB
LDA.b $90 : CLC : ADC.b #$08 : STA.b $90
INC.b $92 : INC.b $92
PLA
CLC
RTL
DynamicOAMTileUW_thin:
dw 0, 0 : db $40, $00, $20, $00
dw 0, 8 : db $50, $00, $20, $00
dw 0, 0 : db $42, $00, $20, $00
dw 0, 8 : db $52, $00, $20, $00
dw 0, 0 : db $4C, $00, $20, $00
dw 0, 8 : db $5C, $00, $20, $00
dw 0, 0 : db $CB, $00, $20, $00
dw 0, 8 : db $DB, $00, $20, $00
dw 0, 0 : db $E0, $00, $20, $00
dw 0, 8 : db $F0, $00, $20, $00
dw 0, 0 : db $EE, $00, $20, $00
dw 0, 8 : db $FE, $00, $20, $00
; add new slots above this line
dw 0, 0 : db $E3, $00, $20, $00 ; overflow slot
dw 0, 8 : db $F3, $00, $20, $00
; above this line, add slots that we want to draw to specific slots
dw 0, 0 : db $0B, $00, $20, $00 ; animated rupees slot
dw 0, 8 : db $1B, $00, $20, $00
dw 0, 0 : db $6B, $00, $20, $00 ; key
dw 0, 8 : db $7B, $00, $20, $00
dw 0, 0 : db $7C, $00, $20, $00 ; good bee
dw 0, 8 : db $F4, $00, $20, $00
DynamicOAMTileUW_full:
dw -4, -1 : db $40, $00, $20, $02
dd 0, 0
dw -4, -1 : db $42, $00, $20, $02
dd 0, 0
dw -4, -1 : db $4C, $00, $20, $02
dd 0, 0
dw -4, -1 : db $CB, $00, $20, $02
dd 0, 0
dw -4, -1 : db $E0, $00, $20, $02
dd 0, 0
dw -4, -1 : db $EE, $00, $20, $02
dd 0, 0
; add new rotating slots above this line
dw -4, -1 : db $A0, $00, $20, $02 ; overflow slot
dd 0, 0
; above this line, add slots that we want to draw to specific slots
dw -4, -1 : db $EA, $00, $20, $02 ; fairy
dd 0, 0
dw -4, -1 : db $E5, $00, $20, $02 ; apple
dd 0, 0
DynamicOAMTileOW_thin:
dw 0, 0 : db $0C, $00, $20, $00
dw 0, 8 : db $1C, $00, $20, $00
; dw 0, 0 : db $40, $00, $20, $00
; dw 0, 8 : db $50, $00, $20, $00
dw 0, 0 : db $CB, $00, $20, $00
dw 0, 8 : db $DB, $00, $20, $00
dw 0, 0 : db $E0, $00, $20, $00
dw 0, 8 : db $F0, $00, $20, $00
;dw 0, 0 : db $E5, $00, $20, $00
;dw 0, 8 : db $F5, $00, $20, $00
;dw 0, 0 : db $EE, $00, $20, $00
;dw 0, 8 : db $FE, $00, $20, $00
; add new slots above this line
dw 0, 0 : db $E3, $00, $20, $00 ; overflow slot
dw 0, 8 : db $F3, $00, $20, $00
; above this line, add slots that we want to draw to specific slots
dw 0, 0 : db $0B, $00, $20, $00 ; animated rupees slot
dw 0, 8 : db $1B, $00, $20, $00
dw 0, 0 : db $6B, $00, $20, $00 ; key
dw 0, 8 : db $7B, $00, $20, $00
dw 0, 0 : db $7C, $00, $20, $00 ; good bee
dw 0, 8 : db $F4, $00, $20, $00
DynamicOAMTileOW_full:
dw 0, 0 : db $0C, $00, $20, $02
dd 0, 0
; dw 0, 0 : db $40, $00, $20, $02
; dd 0, 0
dw 0, 0 : db $CB, $00, $20, $02
dd 0, 0
dw 0, 0 : db $E0, $00, $20, $02
dd 0, 0
;dw 0, 0 : db $E5, $00, $20, $02
;dd 0, 0
;dw 0, 0 : db $EE, $00, $20, $02
;dd 0, 0
; add new slots above this line
dw 0, 0 : db $A0, $00, $20, $02 ; overflow slot
dd 0, 0
; above this line, add slots that we want to draw to specific slots
dw 0, 0 : db $EA, $00, $20, $02 ; fairy
dd 0, 0
dw 0, 0 : db $E5, $00, $20, $02 ; apple
dd 0, 0
DynamicDropGFXClear:
PHA : PHX
LDX.b #$0E
- STZ.w DynamicDropGFXSlots, X : DEX : BPL -
PLX : PLA
RTL
ConditionalPushBlockTransfer:
LDA.b IndoorsFlag : BNE +
LDA.b #$0F ; don't transfer push block when on the OW
BRA .return-3
+
LDA.b #$1F : STA.w $420B ; what we wrote over
.return
RTL
pushpc
; fix Arghuss/Zora splash graphics
org $868595
db $E7, $E7, $E7, $E7, $E7, $C0, $C0
pullpc
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