Apple-2-SW/lawless-legends
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Can now navigate using the plasma main loop.

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This commit is contained in:
Martin Haye 2014-07-06 16:09:10 -07:00
parent ca45c71605
commit 6ca538f33f
2 changed files with 50 additions and 24 deletions
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53
Platform/Apple/virtual/src/plasma/gameloop.pla
View File

@ -229,6 +229,23 @@ asm renderFrame
rts rts
end end
asm isBlocked
txa
pha
bit setROM
jsr $6006
tay
pla
tax
dex
tya
sta evalStkL,x
lda #0
sta evalStkH,x
bit setLcRW+lcBank2
rts
end
asm goMon asm goMon
bit setROM bit setROM
jmp $FF69 jmp $FF69
@ -246,20 +263,42 @@ end
def moveForward() def moveForward()
*playerX = *playerX + walkDirs[^playerDir * 2] *playerX = *playerX + walkDirs[^playerDir * 2]
*playerY = *playerY + walkDirs[^playerDir * 2 + 1] *playerY = *playerY + walkDirs[^playerDir * 2 + 1]
if isBlocked()
moveBackward()
fin
end
def adjustDir(n)
^playerDir = (^playerDir + n) & $F
end end
def moveBackward() def moveBackward()
^playerDir = (^playerDir + 8) & $F adjustDir(8)
moveForward() moveForward()
^playerDir = (^playerDir + 8) & $F adjustDir(8)
if isBlocked()
moveForward()
fin
end end
def rotateLeft() def rotateLeft()
^playerDir = (^playerDir - 1) & $F adjustDir(-1)
end end
def rotateRight() def rotateRight()
^playerDir = (^playerDir + 1) & $F adjustDir(1)
end
def strafeRight()
adjustDir(4)
moveForward()
adjustDir(-4)
end
def strafeLeft()
adjustDir(-4)
moveForward()
adjustDir(4)
end end
def kbdLoop() def kbdLoop()
@ -334,11 +373,17 @@ initCmd('W', @moveForward)
initCmd('A', @rotateLeft) initCmd('A', @rotateLeft)
initCmd('D', @rotateRight) initCmd('D', @rotateRight)
initCmd('S', @moveBackward) initCmd('S', @moveBackward)
initCmd('X', @moveBackward)
initCmd('Z', @strafeLeft)
initCmd('C', @strafeRight)
initCmd('I', @moveForward) initCmd('I', @moveForward)
initCmd('J', @rotateLeft) initCmd('J', @rotateLeft)
initCmd('L', @rotateRight) initCmd('L', @rotateRight)
initCmd('K', @moveBackward) initCmd('K', @moveBackward)
initCmd(',', @moveBackward)
initCmd('M', @strafeLeft)
initCmd('.', @strafeRight)
; Draw the first frame ; Draw the first frame
renderFrame() renderFrame()

21
Platform/Apple/virtual/src/raycast/render.s
View File

@ -11,6 +11,7 @@ start:
; code is at the very end. We jump to it now. ; code is at the very end. We jump to it now.
jmp initMap jmp initMap
jmp renderFrame jmp renderFrame
jmp getMapCell
; Conditional assembly flags ; Conditional assembly flags
DOUBLE_BUFFER = 1 ; whether to double-buffer DOUBLE_BUFFER = 1 ; whether to double-buffer
@ -3225,26 +3226,6 @@ firstLink: !fill NUM_COLS
mapSpriteL !fill MAX_SPRITES mapSpriteL !fill MAX_SPRITES
mapSpriteH !fill MAX_SPRITES mapSpriteH !fill MAX_SPRITES
; Movement amounts when walking at each angle
; Each entry consists of an X bump and a Y bump, in 8.8 fixed point
walkDirs:
!word $0040, $0000
!word $003B, $0018
!word $002D, $002D
!word $0018, $003B
!word $0000, $0040
!word $FFE8, $003B
!word $FFD3, $002D
!word $FFC5, $0018
!word $FFC0, $0000
!word $FFC5, $FFE8
!word $FFD3, $FFD3
!word $FFE8, $FFC5
!word $0000, $FFC0
!word $0018, $FFC5
!word $002D, $FFD3
!word $003B, $FFE8
; Sin of each angle, in log8.8 format plus the high bit being the sign (0x8000 = negative) ; Sin of each angle, in log8.8 format plus the high bit being the sign (0x8000 = negative)
sinTbl !word $0000, $8699, $877F, $87E1, $8800, $87E1, $877F, $8699 sinTbl !word $0000, $8699, $877F, $87E1, $8800, $87E1, $877F, $8699
!word $8195, $0699, $077F, $07E1, $0800, $07E1, $077F, $0699 !word $8195, $0699, $077F, $07E1, $0800, $07E1, $077F, $0699