2017-08-15 19:40:14 +00:00
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;
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; players
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; Code and data structures related to the players
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;
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; Created by Quinn Dunki on 8/13/17
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;
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playerData:
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; gameobject data
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.word 40 ; X pos in pixels (from left terrain edge)
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.word 38 ; Y pos in pixels (from bottom terrain edge)
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2017-08-27 05:34:49 +00:00
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ; Saved background
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2017-08-15 19:40:14 +00:00
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2017-08-23 03:33:07 +00:00
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.word 45 ; Angle in degrees from +X
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2017-08-15 19:40:14 +00:00
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.word 50 ; Power
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2017-08-27 05:34:49 +00:00
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PD_ANGLE = 36
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PD_POWER = 38
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2017-08-16 01:03:19 +00:00
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.macro PLAYERPTR_Y
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tya ; Pointer to player structure from index
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asl
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asl
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asl
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tay
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.endmacro
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; playerDeltaAngle
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;
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; Y = Player index
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; X = Delta
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;
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playerDeltaAngle:
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SAVE_AXY
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PLAYERPTR_Y
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txa
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clc
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adc playerData+PD_ANGLE,y
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bmi playerDeltaAngleClampLow
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cmp #180
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bpl playerDeltaAngleClampHigh
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playerDeltaAngleStore:
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sta playerData+PD_ANGLE,y
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RESTORE_AXY
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rts
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playerDeltaAngleClampLow:
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lda #0
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bra playerDeltaAngleStore
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playerDeltaAngleClampHigh:
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lda #180
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bra playerDeltaAngleStore
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2017-08-15 19:40:14 +00:00
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2017-08-21 00:51:12 +00:00
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; playerFire
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;
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; Y = Player index
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;
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playerFire:
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SAVE_AY
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PLAYERPTR_Y
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2017-08-27 05:34:49 +00:00
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lda playerData+GO_POSX,y
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2017-08-21 00:51:12 +00:00
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sta projectileParams
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2017-08-27 05:34:49 +00:00
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lda playerData+GO_POSY,y
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2017-08-25 04:45:05 +00:00
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clc
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adc #GAMEOBJECTHEIGHT
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2017-08-21 00:51:12 +00:00
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sta projectileParams+2
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lda playerData+PD_ANGLE,y
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sta projectileParams+4
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lda playerData+PD_POWER,y
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sta projectileParams+6
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jsr fireProjectile
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RESTORE_AY
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rts
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2017-08-16 02:04:22 +00:00
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; renderPlayers
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;
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;
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renderPlayers:
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2017-08-27 05:34:49 +00:00
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RENDER_GAMEOBJECT playerData
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2017-08-16 02:04:22 +00:00
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rts
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2017-08-15 19:40:14 +00:00
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; renderPlayerHeader
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;
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; Y = Player index to render
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;
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renderPlayerHeader:
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SAVE_AXY
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2017-08-16 01:03:19 +00:00
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PLAYERPTR_Y
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2017-08-15 19:40:14 +00:00
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ldx #0
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lda #angleStr
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jsr DrawString
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2017-08-16 01:03:19 +00:00
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lda playerData+PD_ANGLE,y
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2017-08-15 19:40:14 +00:00
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ldx #24
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jsr drawNumber
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2017-08-20 22:15:46 +00:00
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ldx #48
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lda #powerStr
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jsr DrawString
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lda playerData+PD_POWER,y
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ldx #72
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jsr drawNumber
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2017-08-15 19:40:14 +00:00
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RESTORE_AXY
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rts
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angleStr:
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2017-08-16 01:03:19 +00:00
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pstring "ANGLE: "
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2017-08-20 22:15:46 +00:00
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powerStr:
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pstring "POWER: "
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