Updated documentation

Everything not describing the nodes library, and the "Simple" section of the library should be ready now.

addons/material_maker/doc/make.bat

@@ -30,7 +30,7 @@ if errorlevel 9009 (
 goto end
 
 :help
-%SPHINXBUILD% -M html %SOURCEDIR% %BUILDDIR% %SPHINXOPTS%
+%SPHINXBUILD% -b html -a %SOURCEDIR% %BUILDDIR%/html %SPHINXOPTS%
 
 :end
 popd

addons/material_maker/doc/node_simple_gradient.rst

@@ -0,0 +1,33 @@
+Gradient nodes
+~~~~~~~~~~~~~~
+
+The **Gradient**, **Circular Gradient** and **Radial Gradient** nodes generate
+a color, user defined gradient.
+
+.. image:: images/node_gradient.png
+	:align: center
+
+Inputs
+++++++
+
+The gradient nodes do not accept any input.
+
+Outputs
++++++++
+
+The gradient nodes generate a single color gradient image.
+
+Parameters
+++++++++++
+
+The **Gradient** nodes accept the following parameters:
+
+* the *number of repetitions* of the gradient
+* the *rotation angle* (only for the linear **Gradient** node)
+* the *gradient*
+
+Example images
+++++++++++++++
+
+.. image:: images/node_gradient_samples.png
+	:align: center

addons/material_maker/doc/node_simple_sdf.rst

@@ -0,0 +1,46 @@
+Signed distance function geometry nodes
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The signed distance function nodes can be used to define complex geometry using simple
+shapes.
+
+They are based on a very small set of basic shapes, that can be combined using operators,
+and finally output as a greyscale image using the **sdShow** node.
+
+All output samples shown in this sections are images generated through the **sdView** node.
+
+All Signed Distance Functions nodes are based on code written by Inigo Quilez that can be found
+`on this page`__.
+
+.. _sdf2dpage: https://www.iquilezles.org/www/articles/distfunctions2d/distfunctions2d.htm
+
+__ sdf2dpage_
+
+Shapes
+++++++
+
+.. toctree::
+	:maxdepth: 1
+
+	node_simple_sdf_shapes_sdcircle
+	node_simple_sdf_shapes_sdline
+	node_simple_sdf_shapes_sdbox
+	node_simple_sdf_shapes_sdrhombus
+
+Operators
++++++++++
+
+.. toctree::
+	:maxdepth: 1
+
+	node_simple_sdf_operators_sdboolean
+	node_simple_sdf_operators_sdsmoothboolean
+	node_simple_sdf_operators_sdroundedshape
+	node_simple_sdf_operators_sdannularshape
+	node_simple_sdf_operators_sdshow
+
+Example images
+++++++++++++++
+
+.. image:: images/node_sdf_samples.png
+	:align: center

addons/material_maker/doc/node_simple_sdf_operators_sdannularshape.rst

@@ -0,0 +1,34 @@
+sdAnnularShape node
+...................
+
+The **sdAnnularShape** node generates a signed distance image of an annular shape
+based on its input, by substracting a constant from the absolute value of the
+distance function (i.e. creating a ring around the shape).
+
+.. image:: images/node_sdannularshape.png
+	:align: center
+
+Inputs
+::::::
+
+The **sdAnnularShape** node accepts an input in signed distance function format.
+
+Outputs
+:::::::
+
+The **sdAnnularShape** node generates a signed distance function of the
+annular version of the input shape.
+
+Parameters
+::::::::::
+
+The **sdAnnularShape** node accepts the following parameters:
+
+* *the distance* to be substracted from the absolute value of the
+  function (i.e. half the width of the ring)
+
+Example images
+::::::::::::::
+
+.. image:: images/node_sdannularshape_sample.png
+	:align: center

addons/material_maker/doc/node_simple_sdf_operators_sdboolean.rst

@@ -0,0 +1,31 @@
+sdBoolean node
+..............
+
+The **sdBoolean** node generates a signed distance image for the combination (union,
+intersection or difference) of its inputs.
+
+.. image:: images/node_sdboolean.png
+	:align: center
+
+Inputs
+::::::
+
+The **sdBoolean** node accepts 2 inputs in signed distance function format.
+
+Outputs
+:::::::
+
+The **sdBoolean** node generates a signed distance function of the
+combination of its inputs.
+
+Parameters
+::::::::::
+
+The **sdBoolean** node accepts *the operator it applies (union, intersection or
+difference)* as parameter.
+
+Example images
+::::::::::::::
+
+.. image:: images/node_sdboolean_sample.png
+	:align: center

addons/material_maker/doc/node_simple_sdf_operators_sdroundedshape.rst

@@ -0,0 +1,33 @@
+sdRoundedShape node
+...................
+
+The **sdRoundedShape** node generates a signed distance image of a rounded shape
+based on its input, by substracting a constant from its distance function (i.e.
+"growing" it towards the outside).
+
+.. image:: images/node_sdroundedshape.png
+	:align: center
+
+Inputs
+::::::
+
+The **sdRoundedShape** node accepts an input in signed distance function format.
+
+Outputs
+:::::::
+
+The **sdRoundedShape** node generates a signed distance function of the
+rounded version of the input shape.
+
+Parameters
+::::::::::
+
+The **sdRoundedShape** node accepts the following parameters:
+
+* *the distance* to be substracted from the function
+
+Example images
+::::::::::::::
+
+.. image:: images/node_sdroundedshape_sample.png
+	:align: center

addons/material_maker/doc/node_simple_sdf_operators_sdshow.rst

@@ -0,0 +1,25 @@
+sdShow node
+...........
+
+The **sdShow** node converts a signed distance image into a greyscale
+image whose background is black and the shape described by its input
+is white.
+
+.. image:: images/node_sdshow.png
+	:align: center
+
+Inputs
+::::::
+
+The **sdShow** node accepts an input in signed distance function format.
+
+Outputs
+:::::::
+
+The **sdShow** node generates a greyscale output.
+
+Parameters
+::::::::::
+
+The **sdShow** node accepts the *width of the gradient* (from white to black)
+around the input shape as parameter.

addons/material_maker/doc/node_simple_sdf_operators_sdsmoothboolean.rst

@@ -0,0 +1,33 @@
+sdSmoothBoolean node
+....................
+
+The **sdSmoothBoolean** node generates a signed distance image for the combination (union,
+intersection or difference) of its inputs.
+
+.. image:: images/node_sdsmoothboolean.png
+	:align: center
+
+Inputs
+::::::
+
+The **sdSmoothBoolean** node accepts 2 inputs in signed distance function format.
+
+Outputs
+:::::::
+
+The **sdSmoothBoolean** node generates a signed distance function of the
+combination of its inputs.
+
+Parameters
+::::::::::
+
+The **sdSmoothBoolean** node accepts the following parameters:
+
+* *the operator it applies (union, intersection or difference)*
+* *the smoothness* of the operation
+
+Example images
+::::::::::::::
+
+.. image:: images/node_sdsmoothboolean_sample.png
+	:align: center

addons/material_maker/doc/node_simple_sdf_shapes_sdbox.rst

@@ -0,0 +1,31 @@
+sdBox node
+..........
+
+The **sdBox** node generates a signed distance image for a rectangle.
+
+.. image:: images/node_sdbox.png
+	:align: center
+
+Inputs
+::::::
+
+The **sdBox** node does not accept any input.
+
+Outputs
+:::::::
+
+The **sdBox** node generates a signed distance function for an axis aligned box.
+
+Parameters
+::::::::::
+
+The **sdBox** node accepts the following parameters:
+
+* its *width* and *height*
+* the *X and Y coordinates of opposite of its center*
+
+Example images
+::::::::::::::
+
+.. image:: images/node_sdbox_sample.png
+	:align: center

addons/material_maker/doc/node_simple_sdf_shapes_sdcircle.rst

@@ -0,0 +1,31 @@
+sdCircle node
+.............
+
+The **sdCircle** node generates a signed distance image for a circle.
+
+.. image:: images/node_sdcircle.png
+	:align: center
+
+Inputs
+::::::
+
+The **sdCircle** node does not accept any input.
+
+Outputs
+:::::::
+
+The **sdCircle** node generates a signed distance function for a circle.
+
+Parameters
+::::::::::
+
+The **sdCircle** node accepts the following parameters:
+
+* the *radius* of the circle
+* the *X and Y coordinates of the center* of the circle
+
+Example images
+::::::::::::::
+
+.. image:: images/node_sdcircle_sample.png
+	:align: center

addons/material_maker/doc/node_simple_sdf_shapes_sdline.rst

@@ -0,0 +1,32 @@
+sdLine node
+.............
+
+The **sdLine** node generates a signed distance image for a line segment. It can
+easily be turned into a capsule shape using an **sdRoundedShape** node (the result
+is shown in the example image below).
+
+.. image:: images/node_sdline.png
+	:align: center
+
+Inputs
+::::::
+
+The **sdLine** node does not accept any input.
+
+Outputs
+:::::::
+
+The **sdLine** node generates a signed distance function for a line.
+
+Parameters
+::::::::::
+
+The **sdLine** node accepts the *X and Y coordinates of both ends of the
+segment* as parameters.
+
+
+Example images
+::::::::::::::
+
+.. image:: images/node_sdline_sample.png
+	:align: center

addons/material_maker/doc/node_simple_sdf_shapes_sdrhombus.rst

@@ -0,0 +1,31 @@
+sdRhombus node
+..............
+
+The **sdRhombus** node generates a signed distance image for a rhombus.
+
+.. image:: images/node_sdrhombus.png
+	:align: center
+
+Inputs
+::::::
+
+The **sdRhombus** node does not accept any input.
+
+Outputs
+:::::::
+
+The **sdRhombus** node generates a signed distance function for an axis aligned rhombus.
+
+Parameters
+::::::::::
+
+The **sdRhombus** node accepts the following parameters:
+
+* its *width* and *height*
+* the *X and Y coordinates of opposite of its center*
+
+Example images
+::::::::::::::
+
+.. image:: images/node_sdrhombus_sample.png
+	:align: center

addons/material_maker/doc/node_simple_shape.rst

@@ -0,0 +1,34 @@
+Shape node
+~~~~~~~~~~
+
+The **Shape** node outputs a simple greyscale shape.
+
+.. image:: images/node_shape.png
+	:align: center
+
+Inputs
+++++++
+
+The shape node do not accept any input.
+
+Outputs
++++++++
+
+The shape node provides an output that generates greyscale image showing the
+selected white shape on a black background.
+
+Parameters
+++++++++++
+
+The **Shape** node has the following parameters:
+
+* the shape type: Circle, Polygon, Star, Curved star or Rays
+* the edge, corners or rays count
+* the shape size
+* the size of the gradient at the edge of the shape
+
+Example images
+++++++++++++++
+
+.. image:: images/node_shape_samples.png
+	:align: center

addons/material_maker/doc/node_simple_uniform.rst

@@ -1,21 +1,23 @@
-Uniform node
-~~~~~~~~~~~~
+Uniform nodes
+~~~~~~~~~~~~~
 
-The uniform node outputs a single uniform image whose color is configurable.
+The **Uniform** and **Uniform/Greyscale** node output a single uniform image
+whose color is configurable.
 
 .. image:: images/node_uniform.png
 
 Inputs
 ++++++
 
-The uniform node does not accept any input.
+The uniform nodes do not accept any input.
 
 Outputs
 +++++++
 
-The uniform node provides an output that generates a uniform color image.
+The uniform nodes provide an output that generates a uniform color image.
 
 Parameters
 ++++++++++
 
-The uniform node has a single *color* parameter that defines the color of the output image.
+The **Uniform** node has a single *color* parameter that defines the color of
+the output image. The **Uniform/Greyscale** node has a single *float* parameter.

addons/material_maker/doc/nodes_simple.rst

@@ -4,24 +4,11 @@ Simple nodes
 The simple nodes are nodes that do not accept any input and generate one or several simple shapes.
 
 .. toctree::
-	:maxdepth: 1
+	:maxdepth: 0
 
-	node_simple_gradient
-	node_simple_gradient_circular
-	node_simple_gradient_radial
-	node_simple_image
-	node_simple_sdf_operators_sdannularshape
-	node_simple_sdf_operators_sdboolean
-	node_simple_sdf_operators_sdroundedshape
-	node_simple_sdf_operators_sdshow
-	node_simple_sdf_operators_sdsmoothboolean
-	node_simple_sdf_shapes_sdbox
-	node_simple_sdf_shapes_sdcircle
-	node_simple_sdf_shapes_sdline
-	node_simple_sdf_shapes_sdrhombus
-	node_simple_shape
-	node_simple_shape_circle
-	node_simple_shape_curved_star
-	node_simple_shape_rays
-	node_simple_shape_star
 	node_simple_uniform
+	node_simple_shape
+	node_simple_image
+	node_simple_gradient
+	node_simple_sdf
+	

addons/material_maker/doc/user_interface.rst

@@ -221,14 +221,25 @@ View menu
 Tools menu
 ^^^^^^^^^^
 
-* The *Create* submenu can be used to create any of the node templates
+* The *Create* submenu can be used to create any of the node templates.
 
-* *Create group* Creates a subgraph node with the currently selected nodes
+* *Create group* creates a subgraph node with the currently selected nodes,
+  and shows the contents of the newly created group in the current graph
+  view.
+
+* the *Make selected nodes editable* menu item will toggle edit mode for
+  all selected nodes that support it. Shader and graph nodes will show
+  3 buttons to edit, load and save the node, switches will show controls to
+  modify the number of choices and outputs, and input/output modes will
+  become editable.
 
 * *Add selected node to user library* first prompts for an item name. If a name is entered and
   confirmed, the selected nodes in the current material will be added to the user library under
   that name. The user library is saved automatically.
 
+* *Export the nodes library* will prompt for a location on the disk and
+  save the whole node library.
+
 Help menu
 ^^^^^^^^^