mirror of
https://github.com/blondie7575/GSCats.git
synced 2024-06-14 05:29:32 +00:00
84 lines
1.3 KiB
ArmAsm
84 lines
1.3 KiB
ArmAsm
;
|
|
; inventory
|
|
; Code and data structures related to the weapons inventory and store
|
|
;
|
|
; Created by Quinn Dunki on 8/13/17
|
|
;
|
|
|
|
|
|
INVENTORY_ITEMS = 2
|
|
ITEM_WIDTH = 16 ; In pixels
|
|
ICON_WIDTH = 8 ; In pixels
|
|
ICON_ORIGIN = (ITEM_WIDTH-ICON_WIDTH)/4 ; In bytes
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
; renderInventory
|
|
;
|
|
; Renders inventory for current player
|
|
;
|
|
; Trashes PARAML0
|
|
;
|
|
renderInventory:
|
|
SAVE_AXY
|
|
|
|
; Find inventory we need to render
|
|
ldy currentPlayer
|
|
PLAYERPTR_Y
|
|
lda playerData+PD_INVENTORY,y
|
|
sta PARAML0
|
|
|
|
; Compute initial VRAM position
|
|
ldy #(8192 + (160*10 + (160*ICON_ORIGIN + ICON_ORIGIN)))
|
|
ldx #0
|
|
|
|
|
|
renderInventoryLoop:
|
|
jsr renderInventoryItem
|
|
|
|
tya ; Advance VRAM pointer
|
|
clc
|
|
adc #ITEM_WIDTH/2
|
|
tay
|
|
|
|
inx
|
|
cpx #INVENTORY_ITEMS
|
|
bne renderInventoryLoop
|
|
|
|
RESTORE_AXY
|
|
rts
|
|
|
|
|
|
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
|
; renderInventoryItem
|
|
;
|
|
; X = Item index
|
|
; Y = VRAM pos
|
|
; PARAML0 = Inventory state
|
|
;
|
|
renderInventoryItem:
|
|
SAVE_AXY
|
|
|
|
phy
|
|
phx
|
|
lda #2 ; Frame
|
|
clc
|
|
jsr DrawSpriteBank
|
|
plx
|
|
|
|
; Find projectile type data
|
|
txy
|
|
PROJECTILETYPEPTR_Y
|
|
|
|
; Render projectile
|
|
lda projectileTypes+PT_FRAME1,y
|
|
ply
|
|
clc
|
|
jsr DrawSpriteBank
|
|
|
|
RESTORE_AXY
|
|
rts
|
|
|
|
renderInventoryItemParam:
|
|
.word 0,20
|
|
|