mirror of
https://github.com/electronicarts/CnC_Remastered_Collection
synced 2024-05-12 08:12:37 +12:00
213 lines
10 KiB
Plaintext
213 lines
10 KiB
Plaintext
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; Copyright 2020 Electronic Arts Inc.
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;
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; TiberianDawn.DLL and RedAlert.dll and corresponding source code is free
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; software: you can redistribute it and/or modify it under the terms of
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; the GNU General Public License as published by the Free Software Foundation,
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; either version 3 of the License, or (at your option) any later version.
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; TiberianDawn.DLL and RedAlert.dll and corresponding source code is distributed
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; in the hope that it will be useful, but with permitted additional restrictions
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; under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
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; distributed with this program. You should have received a copy of the
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; GNU General Public License along with permitted additional restrictions
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; with this program. If not, see [https://github.com/electronicarts/CnC_Remastered_Collection]>.
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;***************************************************************************
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;** C O N F I D E N T I A L --- W E S T W O O D S T U D I O S **
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;***************************************************************************
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;* *
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;* Project Name : WWLIB32 *
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;* *
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;* File Name : SHAPE.INC *
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;* *
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;* Programmer : Scott Bowen *
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;* *
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;* Start Date : May 25, 1994 *
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;* *
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;* Last Update : September 14, 1994 [IML] *
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;* *
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;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
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;****************************** Equates ************************************
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;
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;............................ Shape Types ..................................
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;
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TRUE equ 1 ; Boolean 'true' value
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FALSE equ 0 ; Boolean 'false' value
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MAKESHAPE_NORMAL EQU 0 ; 256-color compressed shape
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MAKESHAPE_COMPACT EQU 1 ; 16-color shape (built-in color table)
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MAKESHAPE_NOCOMP EQU 2 ; non-wwcomped shape
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MAKESHAPE_VARIABLE EQU 4 ; <16-color shape with variable #
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; of colors (ColorTable[0] = # of colors)
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; old names:
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;COLOR_SHAPE EQU 1 ; flag which determines a color shape
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;NORM_SHAPE EQU 2 ; flag that indicates non wwcomped shp
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;NORM_SHAPE_16 EQU 4 ; flag that tells us if we have a variable sized table
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; variable sized table
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;
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;...........................................................................
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; Drawing flags:
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; The low byte is for coordinate transformations.
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; The high byte is for drawing effects.
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;...........................................................................
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;
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SHAPE_NORMAL EQU 0000h ; no options; just a copy
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SHAPE_HORZ_REV EQU 0001h ; reverse horizontally
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SHAPE_VERT_REV EQU 0002h ; reverse vertically
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SHAPE_SCALING EQU 0004h ; scale
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SHAPE_VIEWPORT_REL EQU 0010h ; viewport-relative coordinates
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SHAPE_CENTER EQU 0020h ; use centered coordinates
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SHAPE_BOTTOM EQU 0040h ; Y coord is based on shape bottom pt
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SHAPE_FADING EQU 0100h ; fading effect shape
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SHAPE_PREDATOR EQU 0200h ; predator effect shape
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SHAPE_COMPACT EQU 0400h ; shape is in 16 colors
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SHAPE_PRIORITY EQU 0800h ; priority draw shape
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SHAPE_GHOST EQU 1000h ; ghosting effect
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SHAPE_SHADOW EQU 2000h ; shadow effect
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SHAPE_PARTIAL EQU 4000h ; partial predator effect
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SHAPE_COLOR EQU 8000h ; use alternative color table effect
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SHAPE_EFFECTS EQU 03F00h ; shape effect flags
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;
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;.......................... Shadow Effect ..................................
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;
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SHADOW_COL EQU 00FFh ; magic number for shadows
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;......................... Priority System .................................
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;
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CLEAR_UNUSED_BITS EQU 0007h ; and with 0000-0111 to clear
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; non-walkable high bit and
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; scaling id bits
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NON_WALKABLE_BIT EQU 0080h ; and with 1000-0000 to clear all
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; but non-walkable bit
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;
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;......................... Predator Effect .................................
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;
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PRED_MASK EQU 0007h ; mask used for predator pixel puts
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;---------------------------------------------------------------------------
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; This table is a list of the local stack variables in the function
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; Draw_Shape. Many other functions in other modules access these variables
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; on the stack. Since the BP is not changed when these other functions are
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; called by Draw_Shape (possibly indirectly), they can also access these
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; stack varibles. When adding or removing from the table, one must be very
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; careful to change the offsets.
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;---------------------------------------------------------------------------
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;.......................... proc addresses .................................
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LSkipRout EQU DWORD PTR ebp - 04h ;DWORD pointer to the skip routine
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RSkipRout EQU DWORD PTR ebp - 08h ;DWORD pointer to the skip routine
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DrawRout EQU DWORD PTR ebp - 0Ch ;DWORD pointer to the draw routine
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;........................ optional arguments ...............................
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ColorTable EQU DWORD PTR ebp - 10h ;DWORD ptr to the shapes color table
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FadingTable EQU DWORD PTR ebp - 14h ;DWORD ptr to the fading table
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FadingNum EQU DWORD PTR ebp - 18h ;DWORD number of times to fade
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IsTranslucent EQU DWORD PTR ebp - 1Ch ;DWORD ptr to is_translucent table
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Translucent EQU DWORD PTR ebp - 20h ;DWORD ptr to actual translucent tbl
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PriLevel EQU BYTE PTR ebp - 24h ;BYTE priority level of the object
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ScaleX EQU DWORD PTR ebp - 28h ;DWORD the x increment to scale by
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ScaleY EQU DWORD PTR ebp - 2Ch ;DWORD the y increment to scale by
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ShadowingTable EQU DWORD PTR ebp - 30h ;DWORD ptr to the shadowing table
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;........................ Shape header values ..............................
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ShapeType EQU DWORD PTR ebp - 34h ;DWORD shape type
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ShapeWidth EQU DWORD PTR ebp - 38h ;DWORD shape's unscaled width
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ShapeHeight EQU DWORD PTR ebp - 3Ch ;DWORD shape's unscaled height
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UncompDataLen EQU DWORD PTR ebp - 40h ;DWORD uncompressed data length
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ShapeData EQU DWORD PTR ebp - 44h ;DWORD pointer to shape data
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;...................... Scaled shape dimensions ............................
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ScaledWidth EQU DWORD PTR ebp - 48h ;DWORD shape's scaled width
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ScaledHeight EQU DWORD PTR ebp - 4Ch ;DWORD shape's scaled height
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;...................... Pixel clipping variables ...........................
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LeftClipPixels EQU DWORD PTR ebp - 50h ;DWORD # left-clipped pixels
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RightClipPixels EQU DWORD PTR ebp - 54h ;DWORD # right-clipped pixels
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TopClipPixels EQU DWORD PTR ebp - 58h ;DWORD # top-clipped pixels
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BotClipPixels EQU DWORD PTR ebp - 5Ch ;DWORD # bottom-clipped pixels
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PixelWidth EQU DWORD PTR ebp - 60h ;DWORD drawable area in pixels
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PixelHeight EQU DWORD PTR ebp - 64h ;DWORD drawable area in pixels
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;......................... Drawing variables ...............................
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NumColors EQU DWORD PTR ebp - 68h ;DWORD # colors for 16-color shapes
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StartDraw EQU DWORD PTR ebp - 6Ch ;DWORD offset of drawing start pos
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NextLine EQU DWORD PTR ebp - 70h ;DWORD offset of next drawing line
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LeftClipBytes EQU DWORD PTR ebp - 74h ;DWORD # left-clipped bytes
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XTotal EQU DWORD PTR ebp - 78h ;DWORD accumulated x-pixels
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XTotalInit EQU DWORD PTR ebp - 7Ch ;DWORD initial roundoff for XTotal
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YTotal EQU DWORD PTR ebp - 80h ;DWORD accumulated y-pixels
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HeightCount EQU DWORD PTR ebp - 84h ;DWORD ht counter for drawing lines
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LineStart EQU DWORD PTR ebp - 88h ;DWORD address of start of line
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WidthCount EQU DWORD PTR ebp - 8Ch ;DWORD counts down # bytes skipped
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StashReg EQU DWORD PTR ebp - 90h ;DWORD temp variable for draw routines
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MaskAdjust EQU DWORD PTR ebp - 94h ;DWORD priority buffer offset
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BackAdjust EQU DWORD PTR ebp - 98h ;DWORD background buffer offset
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StashECX EQU DWORD PTR ebp - 9Ch ;DWORD temp variable for ECX register
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StashEDX EQU DWORD PTR ebp -0A0h ;DWORD temp variable for EDX register
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Local_Size EQU 00A4h ; Amt of data on stack: 4+last offset
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;****************************** Declarations *******************************
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;---------------------------------------------------------------------------
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; Global variables used by the shape routines, defined in drawshp.asm
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;---------------------------------------------------------------------------
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GLOBAL C ShapeBuffer:DWORD
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GLOBAL C ShapeBufferSize:DWORD
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GLOBAL C _MaskPage:DWORD
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GLOBAL C _BackGroundPage:DWORD
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GLOBAL C PredCount:DWORD
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GLOBAL C PredTable:BYTE
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GLOBAL C PredValue:DWORD
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GLOBAL C PartialPred:DWORD
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GLOBAL C PartialCount:DWORD
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GLOBAL C Flags:DWORD
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;---------------------------------------------------------------------------
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; External tables that are defined in ds_table.asm.
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;---------------------------------------------------------------------------
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GLOBAL LSkipTable:DWORD
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GLOBAL RSkipTable:DWORD
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GLOBAL DrawTable:DWORD
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;------------------------------------------------------------------------------
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; Public functions, declared in the order they appear in the function tables.
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;--------------------------------------------------------------------------------
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GLOBAL C Not_Supported:NEAR
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; LSkipTable:
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GLOBAL Left_Skip:NEAR ; ds_ls
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GLOBAL Left_Reverse_Skip:NEAR ; ds_lrs
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GLOBAL Left_Skip:NEAR ; ds_ls
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GLOBAL Left_Reverse_Skip:NEAR ; ds_lrs
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GLOBAL Left_Scale_Skip:NEAR ; ds_lss
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GLOBAL Left_Scale_Reverse_Skip:NEAR ; ds_lsrs
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GLOBAL Left_Scale_Skip:NEAR ; ds_lss
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GLOBAL Left_Scale_Reverse_Skip:NEAR ; ds_lsrs
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; RSkipTable:
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GLOBAL Right_Skip:NEAR ; ds_rs
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GLOBAL Right_Reverse_Skip:NEAR ; ds_rrs
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GLOBAL Right_Skip:NEAR ; ds_rs
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GLOBAL Right_Reverse_Skip:NEAR ; ds_rrs
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GLOBAL Right_Scale_Skip:NEAR ; ds_rss
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GLOBAL Right_Scale_Reverse_Skip:NEAR ; ds_rsrs
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GLOBAL Right_Scale_Skip:NEAR ; ds_rss
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GLOBAL Right_Scale_Reverse_Skip:NEAR ; ds_rsrs
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; DrawTable:
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GLOBAL Draw_Normal:NEAR ; ds_dn
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GLOBAL Draw_Reverse:NEAR ; ds_dr
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GLOBAL Draw_Normal:NEAR ; ds_dn
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GLOBAL Draw_Reverse:NEAR ; ds_dr
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GLOBAL Draw_Scale:NEAR ; ds_ds
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GLOBAL Draw_Scale_Reverse:NEAR ; ds_dsr
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GLOBAL Draw_Scale:NEAR ; ds_ds
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GLOBAL Draw_Scale_Reverse:NEAR ; ds_dsr
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;************************* End of shape.inc ********************************
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