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Now calculating avatar X and Y offsets within current map section.

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This commit is contained in:
Martin Haye 2015-02-23 08:39:10 -08:00
parent abd63d0481
commit 5109fcf41a
2 changed files with 22 additions and 3 deletions
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1
Platform/Apple/virtual/src/plasma/gameloop.pla
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@ -960,6 +960,7 @@ end
def setLocationTrigger(tbl)
printHex($1001)
printHex(tbl)
^$c053
end
///////////////////////////////////////////////////////////////////////////////////////////////////

24
Platform/Apple/virtual/src/tile/tile.s
View File

@ -68,7 +68,7 @@ DRAW_WIDTH = $62 ; Number of columns to draw for current section (cannot
DRAW_HEIGHT = $63 ; Number of rows to draw for current section (cannot be destroyed by drawing loop)
DRAW_SECTION = $64 ; Location of section data being drawn
TILE_BASE = $6B ; Location of tile data
CALC_MODE = $6F ; Flag to indicate calculate mode (non-zero) or normal draw mode (zero)
UNUSED_6F = $6F
;-- These variables are set in the outer draw section but can be destroyed by the inner routine
SECTION_X_START = $60 ; X Offset relative to current section being drawn
SECTION_Y_START = $61 ; Y Offset relative to current section being drawn
@ -78,8 +78,11 @@ Y_LOC = $68 ; Current row being drawn (between 0 and VIEWPORT_WIDTH)
ROW_LOCATION = $69 ; Used for pointing at row offset in map data
TILE_SOURCE = $6D ; Location of tile data
SCRIPTS_LOC = $9A ; Location of script module
AVATAR_SECTION = $9C ; Location of section data the avatar is within
AVATAR_TILE = $9E ; Tile map entry under the avatar
CALC_MODE = $9C ; Flag to indicate calculate mode (non-zero) or normal draw mode (zero)
AVATAR_TILE = $9D ; Tile map entry under the avatar
AVATAR_X = $9E ; X coordinate within avatar map section
AVATAR_Y = $9F ; Y coordinate within avatar map section
AVATAR_SECTION = $A0 ; Location of section data the avatar is within
;----------------------------------------------------------------------
; Vectors used to call in from the outside.
@ -711,6 +714,21 @@ ROW_OFFSET = 3
BNE .notAvatar
LDA (ROW_LOCATION),Y
STA AVATAR_TILE
TYA
SEC
SBC DRAW_X_START
CLC
ADC SECTION_X_START
STA AVATAR_X
LDA SECTION_Y_START
STA AVATAR_Y
!if DEBUG {
+prStr : !text "Avatar X=",0
+prByte AVATAR_X
+prStr : !text "Y=",0
+prByte AVATAR_Y
+crout
}
LDA DRAW_SECTION
STA AVATAR_SECTION
LDA DRAW_SECTION + 1