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Macro

ATTRIBUTE

Specify polygon attributes

Structure

#define   ATTRIBUTE(plane,sort,texture,color,gouraud,mode,dir, option)
                {
                   Plane, (sort) | (((dir) >> 16) & 0x01c) | (option),
                  Texture, (mode) | (((dir) >> 24) & 0xc0, color, /
                   Gouraud, (dir) & 0x03f
                 }
                 Uint8 plane ;
                 Uint8 sort ;
                 Uint16 texture ;
                 Uint16 color ;
                 Uint16 gouraud ;
                 Uint16 mode ;
                 Uint32 dir ;
                 Uint16 option ;

Member

plane Front / back attribute
sort Z sort specification
texture Texture number or No_Texture
color C_RGB macro specified color, color palette number or No_Palet
gouraud Gouraud table or No_Gouraud
mode Specify various modes for polygon
dir Specify the texture display direction, etc.
option Other settings for polygon

Description

Set surface attributes related to polygon drawing (especially polygon surface).
For the meaning of each parameter and details of the assigned value, Refer to Programmer's Tutorial “Chapter 7: Polygon surface attributes”.
Also refer to “ATTRIBUTE macro substitution value list” at the end of the structure reference.

Remarks

The member “color” may specify the color bank number when using textures.

Reference: Chapter 7 Polygon surface attributes

ATTRIBUTE

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