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https://github.com/blondie7575/GSCats.git
synced 2024-11-22 06:31:48 +00:00
Added game object pool allocator for accessories
This commit is contained in:
blondie7575
parent
32c622afbe
commit
364ae0de32
@ -65,6 +65,7 @@ JD_NEW = 142
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JD_STATIC = 144
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JD_OWNER = 146
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JD_FACING = 148
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JD_SCRATCH = 150
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MAXPROJECTILES = 3
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29
fan.s
29
fan.s
@ -58,17 +58,26 @@ updateFan:
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beq updateFanDone
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; Once fan is in place, make it static
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lda projectileData+GO_POSY,y
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inc
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sta projectileData+GO_POSY,y
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lda #1
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sta projectileData+JD_STATIC,y
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jsr endProjectile
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; Now set up the stand
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jsr allocGameObject
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cpx #-1
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BREAK
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beq updateFanDone
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txa
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sta projectileData+JD_SCRATCH,y ; Remember where our stand is
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lda projectileData+GO_POSX,y
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sta standGameObjectData+GO_POSX
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sta gameObjectPool+GO_POSX,x
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lda projectileData+GO_POSY,y
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sec
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sbc #GAMEOBJECTHEIGHT
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sta standGameObjectData+GO_POSY,y
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sta gameObjectPool+GO_POSY,x
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updateFanDone:
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RESTORE_AXY
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@ -123,7 +132,11 @@ renderFan:
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beq renderFanDone ; Don't render the stand until we're static
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; Render the stand under the fan
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lda #standGameObjectData
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lda projectileData+JD_SCRATCH,y
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sta PARAML0
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clc
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lda #gameObjectPool
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adc PARAML0
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sta PARAML0
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lda #14
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jsr renderGameObject
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@ -131,13 +144,3 @@ renderFan:
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renderFanDone:
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RESTORE_AXY
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rts
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; Fake game object for rendering the stand
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standGameObjectData:
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.word 40 ; X pos in pixels (from right terrain edge)
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.word 38 ; Y pos in pixels (from bottom terrain edge)
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ; Saved background 64 bytes
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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134
gameobject.s
134
gameobject.s
@ -7,12 +7,14 @@
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GAMEOBJECTWIDTH = 16
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GAMEOBJECTHEIGHT = 16
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MAXGAMEOBJECTS = 6 ; Size of general purpose object pool
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; Base class sample:
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;gameobjectData:
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; .word 40 ; X pos in pixels (from right terrain edge)
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; .word 38 ; Y pos in pixels (from bottom terrain edge)
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; .word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ; Saved background 64 bytes
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; .word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ; Saved background 128 bytes
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; .word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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; .word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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; .word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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@ -712,3 +714,133 @@ unrenderGameobjectBackground:
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unrenderGameobjectDone:
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RESTORE_AXY
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rts
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.macro GAMEOBJECTPTR_X
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txa ; Pointer to game object type structure from index
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asl
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asl
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asl
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asl
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asl
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asl
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asl
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asl
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tax
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.endmacro
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; allocGameObject
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;
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; Returns offset of gameobject structure in X, or -1 if none available
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;
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allocGameObject:
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SAVE_AY
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ldy #0
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allocGameObjectLoop:
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tyx
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GAMEOBJECTPTR_X
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lda gameObjectPool+GO_POSX,x
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bmi allocGameObjectDone
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iny
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cpy #MAXGAMEOBJECTS
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bne allocGameObjectLoop
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ldx #-1
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allocGameObjectDone:
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RESTORE_AY
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rts
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; deleteGameObject
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;
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; Deletes the game object at offset X
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;
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deleteGameObject:
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pha
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lda #-1
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sta gameObjectPool+GO_POSX,x
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pla
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rts
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; A general purpose pool allocator for game objects. Useful
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; for those times you need an object, but not a full fledged
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; Player, Projectile, or other subclass.
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gameObjectPool:
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.word -1 ; X pos in pixels (from right terrain edge)
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.word 0 ; Y pos in pixels (from bottom terrain edge)
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ; Saved background 128 bytes
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.repeat 124
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.byte 0 ; Padding to 256-byte boundary
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.endrepeat
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.word -1 ; X pos in pixels (from right terrain edge)
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.word 0 ; Y pos in pixels (from bottom terrain edge)
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ; Saved background 128 bytes
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.repeat 124
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.byte 0 ; Padding to 256-byte boundary
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.endrepeat
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.word -1 ; X pos in pixels (from right terrain edge)
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.word 0 ; Y pos in pixels (from bottom terrain edge)
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ; Saved background 128 bytes
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.repeat 124
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.byte 0 ; Padding to 256-byte boundary
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.endrepeat
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.word -1 ; X pos in pixels (from right terrain edge)
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.word 0 ; Y pos in pixels (from bottom terrain edge)
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ; Saved background 128 bytes
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.repeat 124
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.byte 0 ; Padding to 256-byte boundary
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.endrepeat
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.word -1 ; X pos in pixels (from right terrain edge)
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.word 0 ; Y pos in pixels (from bottom terrain edge)
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ; Saved background 128 bytes
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.repeat 124
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.byte 0 ; Padding to 256-byte boundary
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.endrepeat
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.word -1 ; X pos in pixels (from right terrain edge)
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.word 0 ; Y pos in pixels (from bottom terrain edge)
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 ; Saved background 64 bytes
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.word 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
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.repeat 124
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.byte 0 ; Padding to 256-byte boundary
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.endrepeat
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BIN
gscats.2mg
BIN
gscats.2mg
Binary file not shown.
11
projectile.s
11
projectile.s
@ -24,8 +24,9 @@ projectileData:
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.word 0 ; Static?
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.word 0 ; Owner (player index)
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.word 0 ; Facing (0,1) = (+X,-X)
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.word 0 ; Scratch space for subclasses
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.repeat 106
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.repeat 104
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.byte 0 ; Padding to 256-byte boundary
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.endrepeat
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@ -47,8 +48,9 @@ projectileData:
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.word 0 ; Static?
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.word 0 ; Owner (player index)
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.word 0 ; Facing (0,1) = (+X,-X)
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.word 0 ; Scratch space for subclasses
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.repeat 106
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.repeat 104
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.byte 0 ; Padding to 256-byte boundary
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.endrepeat
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@ -70,8 +72,9 @@ projectileData:
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.word 0 ; Static?
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.word 0 ; Owner (player index)
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.word 0 ; Facing (0,1) = (+X,-X)
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.word 0 ; Scratch space for subclasses
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.repeat 106
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.repeat 104
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.byte 0 ; Padding to 256-byte boundary
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.endrepeat
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@ -530,6 +533,8 @@ updateProjectileCollisionsTerrainHit:
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;
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endDeleteProjectile:
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lda #projectileData
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clc
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adc projectileActive
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sta PARAML0
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jsr unrenderGameObject
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ldy projectileActive
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