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;
; Filename : vars1.inc
; Included from: 3D1.ASM
; Description : Defined Variables for 3D1.ASM
;
; Written by: John McCarthy
; 1316 Redwood Lane
; Pickering, Ontario.
; Canada, Earth, Milky Way (for those out-of-towners)
; L1X 1C5
;
; Internet/Usenet: BRIAN.MCCARTHY@CANREM.COM
; Fidonet: Brian McCarthy 1:229/15
; RIME/Relaynet: ->CRS
;
; Home phone, (905) 831-1944, don't call at 2 am eh!
;
; John Mccarthy would really love to work for a company programming Robots
; or doing some high intensive CPU work. Hint. Hint.
;
; Send me your protected mode source code!
; Send me your Objects!
; But most of all, Send me a postcard!!!!
;
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align 16
; table of current limitations/restraints - to be used as reference by user
; at run-time to determine if object code has been assembled with ample room
; for data/variables/point/surfaces etc...
asm_version dw 30h
asm_maxpoints dw maxpoints
asm_maxsurfaces dw maxsurfaces
asm_maxpolys dw maxpolys
asm_maxobjects dw maxobjects
asm_number_spaces dw number_of_spaces
asm_xsize dw xmax-xmin
asm_ysize dw ymax-ymin
asm_usez dw usez
asm_useborders dw useborders
asm_use_half_stars dw use_half_stars
asm_cameraobject dw cameraobject
asm_xmode dw xmode
asm_ratiox dw ratiox
asm_ratioy dw ratioy
asm_xactual dw xactual
asm_yactual dw yactual
asm_pages dw pages
asm_shapes dw numberofshapes
asm_bitmaps dw numberofbitmaps
asm_xpals dw numberofpals
align 16
objbase dd numberofshapes dup (0) ; memory locations of shapes (offsets)
bitbase dd numberofbitmaps dup (0) ; memory locations of bitmaps
bitx dd numberofbitmaps dup (0) ; x base size of bitmaps (for 3d)
bity dd numberofbitmaps dup (0) ; y base size of bitmaps
xreftable dd numberofpals dup (o nullpalette) ; offsets to palette cross referance tables
stonetbl dd numberofstones dup (0) ; offsets to stones textures
x1 dw ? ; points for line draw
y1 dw ?
x2 dw ?
y2 dw ?
rise dw ? ; counter for draw loop
xp dd maxpoints dup (?) ; points breakdown, after rotated, 2d,
yp dd maxpoints dup (?) ; x,y points after 3d, are actual location.
zp dd maxpoints dup (?) ; z useless, only good during sort of sides
sides dw maxsurfaces*maxpolys dup (?) ; visible sides only here (clockwize)
order dd maxsurfaces dup (?) ; what order to draw surfaces in.
zeds dd maxsurfaces dup (?) ; z values of first point in side, for sort
surfcolors dw maxsurfaces dup (?) ; colours for those sides, high and low
colors12 dd 0 ; colours for sides 1&2
textures dw maxsurfaces dup (?) ; commands/textures for sides
texture12 dd 0 ; textures for sides 1&2
command dd 0 ; current command in load_surfaces loop
showing dd 0 ; how many visible sides (total)
pointindex dd 0 ; indexer to points, xs[],ys[],zs[]
numsides dd ? ; number of sides total, gets trashed
numpoints dd ? ; number of points, gets trashed
whichside dd ? ; which side am i doing now
dw 0 ; reserved - leave blank
tbsize = ymax-ymin
if tbsize lt xmax-xmin
tbsize = xmax-xmin
endif
firstbyte dw tbsize dup(1000) ; table of start and end x points
dw 1000 ; end flag, permanent
dw 0 ; reserved - leave blank
lastbyte dw tbsize dup(-1000)
oney dd 1000 ; y start for one polygon draw
leftmost dw 1000 ; only used for fakelineg routine (note g)
colq db ? ; colour of this side
lamflag db ? ; is lambert matrix set up for this object?
align 16
currobj dd ? ; current object number (for shading)
xupdate dw xmax,xmin-1 ; x,y update for clearing entire picture
yupdate dw ymax,ymin-1
lxupdate dw xmax,xmin-1 ; last x,y update
lyupdate dw ymax,ymin-1
_old_traces_past dd 0
xad dd ? ; 3d offset of object
yad dd ?
zad dd ?
vxcos dd ?
vxsin dd ?
vycos dd ?
vysin dd ?
vzcos dd ?
vzsin dd ?
palxrefx dd ? ; temp xreferance holder
steel db ? ; steel flag, -1 = don't use
steelc db ? ; base colour for steel, taken from colq
polytype dd ? ; offset for polytype (fakeline)
minzc dd ? ; minz (for each object)
btolr dd ? ; tolerance (for each object)
fex dw ?
; variables for multiple object routine, you modify these!
align 16
xs dd maxobjects+1 dup (0) ; locations of objects
ys dd maxobjects+1 dup (0)
zs dd maxobjects+1 dup (0)
xadds dd maxobjects+1 dup (0) ; linear velocities of objects
yadds dd maxobjects+1 dup (0)
zadds dd maxobjects+1 dup (0)
vxs dw maxobjects+1 dup (0) ; angles of objects
vys dw maxobjects+1 dup (0)
vzs dw maxobjects+1 dup (0)
vxadds dw maxobjects+1 dup (0) ; anglular velocities
vyadds dw maxobjects+1 dup (0)
vzadds dw maxobjects+1 dup (0)
lcount dw maxobjects+1 dup (0) ; linear counter
acount dw maxobjects+1 dup (0) ; angular counter
xsfinal dd maxobjects+1 dup (0) ; final locations of objects
ysfinal dd maxobjects+1 dup (0)
zsfinal dd maxobjects+1 dup (0)
vxsfinal dw maxobjects+1 dup (0) ; final angles of objects
vysfinal dw maxobjects+1 dup (0)
vzsfinal dw maxobjects+1 dup (0)
whatshape dw maxobjects+1 dup (0) ; shapes of objects or bitmaps (0,1,2...)
palxref db maxobjects+1 dup (0) ; palette cross reference for each object
userotate db maxobjects+1 dup (0) ; rotation type,0 = full,1 = camera
align 16
onoff db maxobjects+1 dup (0) ; is object on/off
; temp strorage for object routine
align 16
finalzed dw maxobjects dup (?) ; final z for sort routine
makeorder dw maxobjects dup (?) ; order for objects, bubble sorted
zedthis dd ? ; final z temp
; flags to disable/enable routines: disable = -1, enable >=0
use_clear dd yes ; flag to use clear_fill routine, default=use
wfollow dd no ; what object are we following, -1 = none
wherelook dd no ; what object do we force camera to look at
oldspeed dd ? ; how fast to move, temp counter
; camera variables = was last object in object list, now is zero'th
eyex equ d [xs+cameraobject*4] ; camera location
eyey equ d [ys+cameraobject*4]
eyez equ d [zs+cameraobject*4]
eyeax equ w [vxs+cameraobject*2] ; angles for camera
eyeay equ w [vys+cameraobject*2]
eyeaz equ w [vzs+cameraobject*2]
eyexadds equ d [xadds+cameraobject*4] ; eye location velocity
eyeyadds equ d [yadds+cameraobject*4]
eyezadds equ d [zadds+cameraobject*4]
eyevxadds equ w [vxadds+cameraobject*2] ; eye angular velocities
eyevyadds equ w [vyadds+cameraobject*2]
eyevzadds equ w [vzadds+cameraobject*2]
eyelcount equ w [lcount+cameraobject*2] ; eye linear count (how many times to move)
eyeacount equ w [acount+cameraobject*2] ; eye angular count
eyefinalx equ d [xsfinal+cameraobject*4] ; final camera position
eyefinaly equ d [ysfinal+cameraobject*4]
eyefinalz equ d [zsfinal+cameraobject*4]
eyefinalax equ w [vxsfinal+cameraobject*2] ; final camera angle
eyefinalay equ w [vysfinal+cameraobject*2]
eyefinalaz equ w [vzsfinal+cameraobject*2]
align 16
ecosx dd ? ; multipliers of eyeax and eyeaz
esinx dd ? ; reset at begining of each new frame
ecosy dd ?
esiny dd ?
ecosz dd ?
esinz dd ?
vcosx dd ? ; temp storage for object matrix calculation
vsinx dd ? ; can be used if needed during draw
vcosy dd ?
vsiny dd ?
vcosz dd ?
vsinz dd ?
vmatrix dd 9 dup (?) ; 3x3 rotation matrix for object (includes eye)
tmatrix dd 9 dup (?) ; 3x3 temp rotation matrix for hierarchys
ematrix dd 9 dup (?) ; 3x3 rotation matrix for eye (32 bit)
lmatrix dd 3 dup (?) ; 1x3 z resultant matrix for lambert shading
y_angle_of_sun dd 2000h ; where is the sun? for shading
; clipping variables in memory locations, pre-calculated!
; xactual and yactual basically don't change but clipping can to allow
; windows (rear view mirror, view airplanes menu, auxilary views, rear gunner)
;
; when flipping between windows, also flip makeorder[], wfollow, wherelook
; oldspeed, lxupdate, lyupdate, camera variables/angles/speeds (obviously).
cliplt dw xcenter+xmin ; xcenter+xmin
cliprt dw xcenter+xmax-1 ; xcenter+xmax-1
cliptp dw ycenter+ymin ; ycenter+ymin
clipbt dw ycenter+ymax-1 ; ycenter+ymax-1
xcent dw xcenter
ycent dw ycenter
ycents1 dw ycenter-1
ycentp1 dw ycenter+1
xmaxxcent dw xmax+xcenter
ymaxycent dw ymax+ycenter
xmins dw xmin
xmins1 dw xmin-1
xmaxs dw xmax
xmaxs1 dw xmax-1
ymins dw ymin
ymins1 dw ymin-1
ymaxs dw ymax
ymaxs1 dw ymax-1
xmit dd xmin-tolerance ; tolerance is max object size/ratio
xmat dd xmax+tolerance
ymit dd ymin-tolerance
ymat dd ymax+tolerance
; variables for icon scale routine
bitmap dd ?
destwidth dw ?
destheight dw ?
destx dw ?
desty dw ?
sourcewidth dw ? ; workspace for icon scale routine
sourceheight dw ?
decisionx dw ?
decisiony dw ?
clippedwidth dw ?
clippedheight dw ?
background dw 0 ; background colour, must be in high and low!
public objbase ; make sure these are here even if you don't
public bitbase ; use them. tlink will fail if not present.!
public bitx
public bity
public xreftable
public stonetbl
public xs
public ys
public zs
public xadds
public yadds
public zadds
public vxs
public vys
public vzs
public vxadds
public vyadds
public vzadds
public xsfinal
public ysfinal
public zsfinal
public vxsfinal
public vysfinal
public vzsfinal
public lcount
public acount
public whatshape
public userotate
public eyex
public eyey
public eyez
public eyeax
public eyeay
public eyeaz
public eyexadds
public eyeyadds
public eyezadds
public eyevxadds
public eyevyadds
public eyevzadds
public eyefinalx
public eyefinaly
public eyefinalz
public eyefinalax
public eyefinalay
public eyefinalaz
public eyelcount
public eyeacount
public onoff
public vmatrix
public tmatrix
public ematrix
public lmatrix
public y_angle_of_sun
public background
public bitmap
public destwidth
public destheight
public destx
public desty
public use_clear
public wfollow
public wherelook
public x1
public y1
public x2
public y2
public colq
public steel
public lxupdate
public lyupdate
public xupdate
public yupdate
public makeorder
public oney
public firstbyte
public lastbyte
public showing
public _old_traces_past
public cliplt
public cliprt
public cliptp
public clipbt
public xcent
public ycent
public xmins
public xmins1
public xmaxs
public xmaxs1
public ymins
public ymins1
public ymaxs
public ymaxs1
public asm_version
public asm_maxpoints
public asm_maxsurfaces
public asm_maxpolys
public asm_maxobjects
public asm_number_spaces
public asm_xsize
public asm_ysize
public asm_usez
public asm_useborders
public asm_use_half_stars
public asm_cameraobject
public asm_xmode
public asm_ratiox
public asm_ratioy
public asm_xactual
public asm_yactual
public asm_pages
