132 lines
2.0 KiB
ArmAsm
132 lines
2.0 KiB
ArmAsm
;
|
|
; players
|
|
; Code and data structures related to the players
|
|
;
|
|
; Created by Quinn Dunki on 8/13/17
|
|
;
|
|
|
|
|
|
playerData:
|
|
; gameobject data
|
|
.word 40 ; X pos in pixels (from left terrain edge)
|
|
.word 38 ; Y pos in pixels (from bottom terrain edge)
|
|
|
|
.word 45 ; Angle in degrees from +X
|
|
.word 50 ; Power
|
|
|
|
PD_POSX = 0 ; Byte offsets into player data structure
|
|
PD_POSY = 2
|
|
PD_ANGLE = 4
|
|
PD_POWER = 6
|
|
|
|
.macro PLAYERPTR_Y
|
|
tya ; Pointer to player structure from index
|
|
asl
|
|
asl
|
|
asl
|
|
tay
|
|
.endmacro
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
; playerDeltaAngle
|
|
;
|
|
; Y = Player index
|
|
; X = Delta
|
|
;
|
|
playerDeltaAngle:
|
|
SAVE_AXY
|
|
PLAYERPTR_Y
|
|
|
|
txa
|
|
clc
|
|
adc playerData+PD_ANGLE,y
|
|
bmi playerDeltaAngleClampLow
|
|
cmp #180
|
|
bpl playerDeltaAngleClampHigh
|
|
|
|
playerDeltaAngleStore:
|
|
sta playerData+PD_ANGLE,y
|
|
RESTORE_AXY
|
|
rts
|
|
|
|
playerDeltaAngleClampLow:
|
|
lda #0
|
|
bra playerDeltaAngleStore
|
|
|
|
playerDeltaAngleClampHigh:
|
|
lda #180
|
|
bra playerDeltaAngleStore
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
; playerFire
|
|
;
|
|
; Y = Player index
|
|
;
|
|
playerFire:
|
|
SAVE_AY
|
|
PLAYERPTR_Y
|
|
|
|
lda playerData+PD_POSX,y
|
|
sta projectileParams
|
|
lda playerData+PD_POSY,y
|
|
clc
|
|
adc #GAMEOBJECTHEIGHT
|
|
sta projectileParams+2
|
|
lda playerData+PD_ANGLE,y
|
|
sta projectileParams+4
|
|
lda playerData+PD_POWER,y
|
|
sta projectileParams+6
|
|
jsr fireProjectile
|
|
|
|
RESTORE_AY
|
|
rts
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
; renderPlayers
|
|
;
|
|
;
|
|
renderPlayers:
|
|
lda #playerData
|
|
sta PARAML0
|
|
jsr renderGameobject
|
|
rts
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
; renderPlayerHeader
|
|
;
|
|
; Y = Player index to render
|
|
;
|
|
renderPlayerHeader:
|
|
SAVE_AXY
|
|
PLAYERPTR_Y
|
|
|
|
ldx #0
|
|
lda #angleStr
|
|
jsr DrawString
|
|
|
|
lda playerData+PD_ANGLE,y
|
|
ldx #24
|
|
jsr drawNumber
|
|
|
|
ldx #48
|
|
lda #powerStr
|
|
jsr DrawString
|
|
|
|
lda playerData+PD_POWER,y
|
|
ldx #72
|
|
jsr drawNumber
|
|
|
|
RESTORE_AXY
|
|
rts
|
|
|
|
angleStr:
|
|
pstring "ANGLE: "
|
|
powerStr:
|
|
pstring "POWER: "
|
|
|
|
|