A mapbutton item is used to place a button in the rollout that will display the 3ds max Material/Map Browser dialog when clicked. Only texture maps will be displayed in the Material/Map Browser dialog. The syntax is:
mapbutton <name> [ <caption> ] [ map:<texturemap> ] \
[ images:<image_spec_array> ] [ toolTip:<string> ]
The default alignment of mapbutton items is #center.
Example:
label sbm_lbl "Background Map:"
mapbutton choosemap "<<none>>" tooltip:"Select Background Map"
on choosemap picked texmap do
(
environmentmap = texmap
choosemap.text=classof texmap as string
)
Parameters
map:
The initial textureMap value returned by the map property before the user has selected a texture map using the mapbutton. Defaults to undefined.
images:
An image-specification array for providing bitmap images for the mapbutton. If this is specified, the <label> is ignored and the contents of the mapbutton are replaced with the bitmaps. The form is:
images:#(<image>, <maskImage>, <count_integer>, \
<enabled_out_image_index>, <enabled_in_image_index>, \
<disabled_out_image_index>, <disabled_in_image_index>)
where <image> and <maskImage> can be either a bitmap file-name string or a MAXScript bitmap value. <count_integer> specifies the number of sub-images in the bitmaps, and the image_index values specify which sub-image in the bitmaps is to be used for each of the four mapbutton states. For example:
bm1 = render camera:$cam01 outputSize:[80,60]
...
mapbutton foo images:#(bm1, undefined, 1, 1, 1, 1, 1)
would use a rendering as the mapbutton image, and
mapbutton decay images:#("dcybtns.bmp", "dcymask.bmp", 6, 1, 4, 1, 4)
would use sub-images 1 and 4 of bitmaps dcybtns.bmp and dcymask.bmp for the out and in states of the mapbutton, respectively.
See also Image Buttons.
toolTip:
Provides text for a tooltip for the mapbutton. No tooltip if unsupplied.
Properties
<mapbutton>.map TextureMap
The current textureMap value for the mapbutton, or the textureMap value specified by the map parameter if the user has not yet selected a texture map.
<mapbutton>.images Array
Sets the image-specification array for the mapbutton. For example:
-- re-render, update button
bm1 = render()
foo.images = #(bm1, undefined, 1, 1, 1, 1, 1)
This property is write-only.
Events
on <mapbutton> picked <arg> do <expr>
Called when the user selects a texture map from the Material/Map Browser dialog while in the mapbutton pick command mode. The <arg> argument contains the selected textureMap value. The handler is not called if the user cancels out of the Material/Map Browser dialog.
Note: When a mapButton or materialButton is used in a rollout in a scripted material or textureMap plug-in, and so turn up the Material Editor, it behaves with the same functionality as sub-map and sub-material buttons do in other materials and maps. This includes supporting drag-and-drop with instance/copy, and opening sub-maps/materials if they have been assigned.
See also
Rollout User-Interface Items Common Properties