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- ;
- ; Command & Conquer Red Alert(tm)
- ; Copyright 2025 Electronic Arts Inc.
- ;
- ; This program is free software: you can redistribute it and/or modify
- ; it under the terms of the GNU General Public License as published by
- ; the Free Software Foundation, either version 3 of the License, or
- ; (at your option) any later version.
- ;
- ; This program is distributed in the hope that it will be useful,
- ; but WITHOUT ANY WARRANTY; without even the implied warranty of
- ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- ; GNU General Public License for more details.
- ;
- ; You should have received a copy of the GNU General Public License
- ; along with this program. If not, see <http://www.gnu.org/licenses/>.
- ;
- ;***************************************************************************
- ;** 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 **
- ;***************************************************************************
- ;* *
- ;* Project Name : WWLIB32 *
- ;* *
- ;* File Name : SHAPE.INC *
- ;* *
- ;* Programmer : Scott Bowen *
- ;* *
- ;* Start Date : May 25, 1994 *
- ;* *
- ;* Last Update : September 14, 1994 [IML] *
- ;* *
- ;* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - *
- ;****************************** Equates ************************************
- ;
- ;............................ Shape Types ..................................
- ;
- TRUE equ 1 ; Boolean 'true' value
- FALSE equ 0 ; Boolean 'false' value
- MAKESHAPE_NORMAL EQU 0 ; 256-color compressed shape
- MAKESHAPE_COMPACT EQU 1 ; 16-color shape (built-in color table)
- MAKESHAPE_NOCOMP EQU 2 ; non-wwcomped shape
- MAKESHAPE_VARIABLE EQU 4 ; <16-color shape with variable #
- ; of colors (ColorTable[0] = # of colors)
- ; old names:
- ;COLOR_SHAPE EQU 1 ; flag which determines a color shape
- ;NORM_SHAPE EQU 2 ; flag that indicates non wwcomped shp
- ;NORM_SHAPE_16 EQU 4 ; flag that tells us if we have a variable sized table
- ; variable sized table
- ;
- ;...........................................................................
- ; Drawing flags:
- ; The low byte is for coordinate transformations.
- ; The high byte is for drawing effects.
- ;...........................................................................
- ;
- SHAPE_NORMAL EQU 0000h ; no options; just a copy
- SHAPE_HORZ_REV EQU 0001h ; reverse horizontally
- SHAPE_VERT_REV EQU 0002h ; reverse vertically
- SHAPE_SCALING EQU 0004h ; scale
- SHAPE_VIEWPORT_REL EQU 0010h ; viewport-relative coordinates
- SHAPE_CENTER EQU 0020h ; use centered coordinates
- SHAPE_FADING EQU 0100h ; fading effect shape
- SHAPE_PREDATOR EQU 0200h ; predator effect shape
- SHAPE_COMPACT EQU 0400h ; shape is in 16 colors
- SHAPE_PRIORITY EQU 0800h ; priority draw shape
- SHAPE_GHOST EQU 1000h ; ghosting effect
- SHAPE_SHADOW EQU 2000h ; shadow effect
- SHAPE_PARTIAL EQU 4000h ; partial predator effect
- SHAPE_COLOR EQU 8000h ; use alternative color table effect
- SHAPE_EFFECTS EQU 03F00h ; shape effect flags
- ;
- ;.......................... Shadow Effect ..................................
- ;
- SHADOW_COL EQU 00FFh ; magic number for shadows
- ;......................... Priority System .................................
- ;
- CLEAR_UNUSED_BITS EQU 0007h ; and with 0000-0111 to clear
- ; non-walkable high bit and
- ; scaling id bits
- NON_WALKABLE_BIT EQU 0080h ; and with 1000-0000 to clear all
- ; but non-walkable bit
- ;
- ;......................... Predator Effect .................................
- ;
- PRED_MASK EQU 0007h ; mask used for predator pixel puts
- ;---------------------------------------------------------------------------
- ; This table is a list of the local stack variables in the function
- ; Draw_Shape. Many other functions in other modules access these variables
- ; on the stack. Since the BP is not changed when these other functions are
- ; called by Draw_Shape (possibly indirectly), they can also access these
- ; stack varibles. When adding or removing from the table, one must be very
- ; careful to change the offsets.
- ;---------------------------------------------------------------------------
- ;.......................... proc addresses .................................
- LSkipRout EQU DWORD PTR ebp - 04h ;DWORD pointer to the skip routine
- RSkipRout EQU DWORD PTR ebp - 08h ;DWORD pointer to the skip routine
- DrawRout EQU DWORD PTR ebp - 0Ch ;DWORD pointer to the draw routine
- ;........................ optional arguments ...............................
- ColorTable EQU DWORD PTR ebp - 10h ;DWORD ptr to the shapes color table
- FadingTable EQU DWORD PTR ebp - 14h ;DWORD ptr to the fading table
- FadingNum EQU DWORD PTR ebp - 18h ;DWORD number of times to fade
- IsTranslucent EQU DWORD PTR ebp - 1Ch ;DWORD ptr to is_translucent table
- Translucent EQU DWORD PTR ebp - 20h ;DWORD ptr to actual translucent tbl
- PriLevel EQU BYTE PTR ebp - 24h ;BYTE priority level of the object
- ScaleX EQU DWORD PTR ebp - 28h ;DWORD the x increment to scale by
- ScaleY EQU DWORD PTR ebp - 2Ch ;DWORD the y increment to scale by
- ShadowingTable EQU DWORD PTR ebp - 30h ;DWORD ptr to the shadowing table
- ;........................ Shape header values ..............................
- ShapeType EQU DWORD PTR ebp - 34h ;DWORD shape type
- ShapeWidth EQU DWORD PTR ebp - 38h ;DWORD shape's unscaled width
- ShapeHeight EQU DWORD PTR ebp - 3Ch ;DWORD shape's unscaled height
- UncompDataLen EQU DWORD PTR ebp - 40h ;DWORD uncompressed data length
- ShapeData EQU DWORD PTR ebp - 44h ;DWORD pointer to shape data
- ;...................... Scaled shape dimensions ............................
- ScaledWidth EQU DWORD PTR ebp - 48h ;DWORD shape's scaled width
- ScaledHeight EQU DWORD PTR ebp - 4Ch ;DWORD shape's scaled height
- ;...................... Pixel clipping variables ...........................
- LeftClipPixels EQU DWORD PTR ebp - 50h ;DWORD # left-clipped pixels
- RightClipPixels EQU DWORD PTR ebp - 54h ;DWORD # right-clipped pixels
- TopClipPixels EQU DWORD PTR ebp - 58h ;DWORD # top-clipped pixels
- BotClipPixels EQU DWORD PTR ebp - 5Ch ;DWORD # bottom-clipped pixels
- PixelWidth EQU DWORD PTR ebp - 60h ;DWORD drawable area in pixels
- PixelHeight EQU DWORD PTR ebp - 64h ;DWORD drawable area in pixels
- ;......................... Drawing variables ...............................
- NumColors EQU DWORD PTR ebp - 68h ;DWORD # colors for 16-color shapes
- StartDraw EQU DWORD PTR ebp - 6Ch ;DWORD offset of drawing start pos
- NextLine EQU DWORD PTR ebp - 70h ;DWORD offset of next drawing line
- LeftClipBytes EQU DWORD PTR ebp - 74h ;DWORD # left-clipped bytes
- XTotal EQU DWORD PTR ebp - 78h ;DWORD accumulated x-pixels
- XTotalInit EQU DWORD PTR ebp - 7Ch ;DWORD initial roundoff for XTotal
- YTotal EQU DWORD PTR ebp - 80h ;DWORD accumulated y-pixels
- HeightCount EQU DWORD PTR ebp - 84h ;DWORD ht counter for drawing lines
- LineStart EQU DWORD PTR ebp - 88h ;DWORD address of start of line
- WidthCount EQU DWORD PTR ebp - 8Ch ;DWORD counts down # bytes skipped
- StashReg EQU DWORD PTR ebp - 90h ;DWORD temp variable for draw routines
- MaskAdjust EQU DWORD PTR ebp - 94h ;DWORD priority buffer offset
- BackAdjust EQU DWORD PTR ebp - 98h ;DWORD background buffer offset
- StashECX EQU DWORD PTR ebp - 9Ch ;DWORD temp variable for ECX register
- StashEDX EQU DWORD PTR ebp -0A0h ;DWORD temp variable for EDX register
- Local_Size EQU 00A4h ; Amt of data on stack: 4+last offset
- ;****************************** Declarations *******************************
- ;---------------------------------------------------------------------------
- ; Global variables used by the shape routines, defined in drawshp.asm
- ;---------------------------------------------------------------------------
- GLOBAL C ShapeBuffer:DWORD
- GLOBAL C ShapeBufferSize:DWORD
- GLOBAL C _MaskPage:DWORD
- GLOBAL C _BackGroundPage:DWORD
- GLOBAL C PredCount:DWORD
- GLOBAL C PredTable:BYTE
- GLOBAL C PredValue:DWORD
- GLOBAL C PartialPred:DWORD
- GLOBAL C PartialCount:DWORD
- GLOBAL C Flags:DWORD
- ;---------------------------------------------------------------------------
- ; External tables that are defined in ds_table.asm.
- ;---------------------------------------------------------------------------
- GLOBAL LSkipTable:DWORD
- GLOBAL RSkipTable:DWORD
- GLOBAL DrawTable:DWORD
- ;------------------------------------------------------------------------------
- ; Public functions, declared in the order they appear in the function tables.
- ;--------------------------------------------------------------------------------
- GLOBAL C Not_Supported:NEAR
- ; LSkipTable:
- GLOBAL Left_Skip:NEAR ; ds_ls
- GLOBAL Left_Reverse_Skip:NEAR ; ds_lrs
- GLOBAL Left_Skip:NEAR ; ds_ls
- GLOBAL Left_Reverse_Skip:NEAR ; ds_lrs
- GLOBAL Left_Scale_Skip:NEAR ; ds_lss
- GLOBAL Left_Scale_Reverse_Skip:NEAR ; ds_lsrs
- GLOBAL Left_Scale_Skip:NEAR ; ds_lss
- GLOBAL Left_Scale_Reverse_Skip:NEAR ; ds_lsrs
- ; RSkipTable:
- GLOBAL Right_Skip:NEAR ; ds_rs
- GLOBAL Right_Reverse_Skip:NEAR ; ds_rrs
- GLOBAL Right_Skip:NEAR ; ds_rs
- GLOBAL Right_Reverse_Skip:NEAR ; ds_rrs
- GLOBAL Right_Scale_Skip:NEAR ; ds_rss
- GLOBAL Right_Scale_Reverse_Skip:NEAR ; ds_rsrs
- GLOBAL Right_Scale_Skip:NEAR ; ds_rss
- GLOBAL Right_Scale_Reverse_Skip:NEAR ; ds_rsrs
- ; DrawTable:
- GLOBAL Draw_Normal:NEAR ; ds_dn
- GLOBAL Draw_Reverse:NEAR ; ds_dr
- GLOBAL Draw_Normal:NEAR ; ds_dn
- GLOBAL Draw_Reverse:NEAR ; ds_dr
- GLOBAL Draw_Scale:NEAR ; ds_ds
- GLOBAL Draw_Scale_Reverse:NEAR ; ds_dsr
- GLOBAL Draw_Scale:NEAR ; ds_ds
- GLOBAL Draw_Scale_Reverse:NEAR ; ds_dsr
- ;************************* End of shape.inc ********************************
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