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shake screen functions
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YamaArashi
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a957bb1540
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@ -835,9 +835,9 @@ DoRockSlideSpecialEffects: ; 78fd9 (1e:4fd9)
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; if the subaninmation counter is between 8 and 11, shake the screen horizontally and vertically
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.shakeScreen
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ld b,1
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predef Func_48125 ; shake horizontally
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predef PredefShakeScreenHorizontally ; shake horizontally
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ld b,1
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predef_jump Func_480ff ; shake vertically
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predef_jump PredefShakeScreenVertically ; shake vertically
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FlashScreenEveryEightFrameBlocks: ; 78ff7 (1e:4ff7)
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ld a,[W_SUBANIMCOUNTER]
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@ -1225,14 +1225,14 @@ SetAnimationBGPalette: ; 791fc (1e:51fc)
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ld b, $5
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AnimationShakeScreenVertically: ; 79209 (1e:5209)
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predef_jump Func_480ff
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predef_jump PredefShakeScreenVertically
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AnimationShakeScreen: ; 7920e (1e:520e)
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; Shakes the screen for a while. Used in Earthquake/Fissure/etc. animations.
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ld b, $8
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AnimationShakeScreenHorizontallyFast: ; 79210 (1e:5210)
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predef_jump Func_48125
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predef_jump PredefShakeScreenHorizontally
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AnimationWaterDropletsEverywhere: ; 79215 (1e:5215)
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; Draws water droplets all over the screen and makes them
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@ -3958,7 +3958,7 @@ PrintMoveFailureText: ; 3dbe2 (f:5be2)
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ld hl, KeptGoingAndCrashedText
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call PrintText
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ld b, $4
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predef Func_48125
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predef PredefShakeScreenHorizontally
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ld a, [H_WHOSETURN]
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and a
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jr nz, .enemyTurn
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@ -85,10 +85,10 @@ PredefPointers:: ; 4fe79 (13:7e79)
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dbw $03,GiveItem
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add_predef ChangeBGPalColor0_4Frames
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add_predef FindPathToPlayer
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add_predef Func_480ff
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add_predef PredefShakeScreenVertically
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add_predef CalcPositionOfPlayerRelativeToNPC
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add_predef ConvertNPCMovementDirectionsToJoypadMasks
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add_predef Func_48125
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add_predef PredefShakeScreenHorizontally
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add_predef UpdateHPBar
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add_predef HPBarLength
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add_predef Diploma_TextBoxBorder
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@ -4,62 +4,68 @@ ChangeBGPalColor0_4Frames: ; 480eb (12:40eb)
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ld a, [rBGP]
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or b
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ld [rBGP], a
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ld c, 4
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ld c, $4
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call DelayFrames
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ld a, [rBGP]
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and %11111100
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ld [rBGP], a
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ret
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Func_480ff: ; 480ff (12:40ff)
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PredefShakeScreenVertically: ; 480ff (12:40ff)
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; Moves the window down and then back in a sequence of progressively smaller
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; numbers of pixels, starting at b.
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call GetPredefRegisters
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ld a, $1
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ld [wd0a0], a
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ld a, 1
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ld [wDisableVBlankWYUpdate], a
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xor a
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.asm_48108
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ld [H_NUMTOPRINT], a ; (aliases: H_MULTIPLICAND)
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call Func_48119
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call Func_48119
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.loop
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ld [$ff96], a
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call .MutateWY
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call .MutateWY
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dec b
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ld a, b
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jr nz, .asm_48108
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jr nz, .loop
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xor a
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ld [wd0a0], a
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ld [wDisableVBlankWYUpdate], a
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ret
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Func_48119: ; 48119 (12:4119)
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ld a, [H_NUMTOPRINT] ; (aliases: H_MULTIPLICAND)
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.MutateWY ; 48119 (12:4119)
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ld a, [$ff96]
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xor b
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ld [H_NUMTOPRINT], a ; (aliases: H_MULTIPLICAND)
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ld [$ff96], a
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ld [rWY], a
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ld c, 3
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jp DelayFrames
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Func_48125: ; 48125 (12:4125)
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PredefShakeScreenHorizontally: ; 48125 (12:4125)
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; Moves the window right and then back in a sequence of progressively smaller
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; numbers of pixels, starting at b.
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call GetPredefRegisters
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xor a
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.asm_48129
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.loop
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ld [$ff97], a
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call Func_4813f
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call .MutateWX
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ld c, 1
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call DelayFrames
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call Func_4813f
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call .MutateWX
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dec b
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ld a, b
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jr nz, .asm_48129
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ld a, $7
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jr nz, .loop
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; restore normal WX
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ld a, 7
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ld [rWX], a
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ret
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Func_4813f: ; 4813f (12:413f)
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.MutateWX ; 4813f (12:413f)
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ld a, [$ff97]
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xor b
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ld [$ff97], a
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bit 7, a
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jr z, .asm_48149
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xor a
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.asm_48149
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add $7
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jr z, .skipZeroing
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xor a ; zero a if it's negative
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.skipZeroing
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add 7
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ld [rWX], a
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ld c, 4
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jp DelayFrames
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@ -13,7 +13,7 @@ VBlank::
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ld a, [hSCY]
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ld [rSCY], a
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ld a, [wd0a0]
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ld a, [wDisableVBlankWYUpdate]
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and a
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jr nz, .ok
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ld a, [hWY]
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