Template:Orientation

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The following values are used by rotatesprite, rotatesprite16, rotatespritea, screentext, gametext, minitext, digitalnumber, digitalnumberz, myos and myospalx.

Exposed	Value	Label	Description
No	1	RS_TRANS1	Translucency level one (66% opacity).
No	2	RS_AUTO	Scaling on 320-200 coordinates. This is implicitly applied to all CON screen drawing commands, but including it in your bitfields is recommended for clarity and portability of your code.
No	4	RS_YFLIP	Used to invert Y coordinates. Combine this bit with an angle of 1024 (using rotatesprite) and the tile will appear to have inverted X coordinates. If you want inversion for both the X and Y coordinates, simply set the angle (again, with rotatesprite) to 1024 and do not use this bit.
No	8	RS_NOCLIP	Causes the sprite to be not affected by the screen size (using the + or - commands). This is usefull, for example, when displaying a status bar.
No	16	RS_TOPLEFT	Forces the center of the sprite you're drawing to its top-left if set. It also ignores the x-y offset of the tile.
No	32	RS_TRANS2	Translucency level two (33% opacity). It won't work if 1 is not set.
No	64	RS_NOMASK	Forces masking off if set. It discards translucency too.
No	128	RS_PERM	"Permanent" tile (deprecated).
No	256	RS_ALIGN_L	Align to the left (widescreen support)
No	512	RS_ALIGN_R	Align to the right (widescreen support)
No	1024	RS_STRETCH	Stretch to screen resolution (distorts aspect ratio; this is the behavior of rotatesprite prior to widescreen awareness)
No	2048	ROTATESPRITE_FULL16	Always interpret coordinate values as having "full" precision, bit-shifted left by 16, so that 20971520x13107200 corresponds to 320x200. See rotatesprite16.
No	4096	RS_LERP	Enables interpolation of coordinates between rotatesprite calls per guniqhudid. Changes of tilenum reset interpolation.
No	8192	RS_FORCELERP	Forces interpolation, even if the tilenum changes between calls.

Defines

define RS_TRANS1 0x00000001 define RS_AUTO 0x00000002 define RS_YFLIP 0x00000004 define RS_NOCLIP 0x00000008 define RS_TOPLEFT 0x00000010 define RS_TRANS2 0x00000020 define RS_NOMASK 0x00000040 define RS_PERM 0x00000080 define RS_ALIGN_L 0x00000100 define RS_ALIGN_R 0x00000200 define RS_STRETCH 0x00000400 define ROTATESPRITE_FULL16 0x00000800

As with cstat, the bit values can be added together and used in combination. For example, orientation 33 (32+1) is transparency level two, and orientation 5 (4+1) is transparency level one with inverted Y coordinates.