Custom Loop Normals: Add NormalEdit modifier

Nothing much to say here, basic tool to make normals point toward a target,
or to make them point 'outward' as if object was a spheroid (useful for game bushes etc.).

Also, forgot a big thank you to Campbell for the extensive review work he has done on this project!

5 files changed, 260 insertions, 4 deletions

diff --git a/release/datafiles/blender_icons.svg b/release/datafiles/blender_icons.svg
index fc60d6ce412..f67d67f0b1a 100644
--- a/release/datafiles/blender_icons.svg
+++ b/release/datafiles/blender_icons.svg
@@ -30087,6 +30087,130 @@
        y1="244.14676"
        x2="174.75458"
        y2="226.33672" />
+    <linearGradient
+       inkscape:collect="always"
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+       y1="-120.6127"
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+       y2="-128.30418" />
+    <linearGradient
+       id="linearGradient23974-39">
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+         id="stop23976-8"
+         offset="0"
+         style="stop-color:#2561b7;stop-opacity:1;" />
+      <stop
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+         offset="1"
+         style="stop-color:#f9fbff;stop-opacity:1" />
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+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient31320-9"
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+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(-1.004219,0,0,0.980922,222.97812,19.5574)"
+       x1="68.688324"
+       y1="51.42366"
+       x2="72.671516"
+       y2="55.501457" />
+    <linearGradient
+       id="linearGradient31320-9">
+      <stop
+         style="stop-color:white;stop-opacity:1;"
+         offset="0"
+         id="stop31322-6" />
+      <stop
+         style="stop-color:white;stop-opacity:0;"
+         offset="1"
+         id="stop31324-2" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient14262-6"
+       id="linearGradient18765-5"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(-1.004219,0,0,0.980922,309.42934,-349.44584)"
+       x1="-26.207859"
+       y1="252.77303"
+       x2="-5.4963508"
+       y2="253.15045" />
+    <linearGradient
+       id="linearGradient14262-6">
+      <stop
+         id="stop14264-29"
+         offset="0"
+         style="stop-color:#2661b6;stop-opacity:1;" />
+      <stop
+         id="stop14266-9"
+         offset="1"
+         style="stop-color:#c1d7f8;stop-opacity:0;" />
+    </linearGradient>
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient319-61"
+       id="linearGradient18712-6"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(0.8167109,0,0,0.8433415,239.34332,-149.78578)"
+       x1="103.65562"
+       y1="49.547874"
+       x2="120.79755"
+       y2="57.84819" />
+    <linearGradient
+       id="linearGradient319-61">
+      <stop
+         style="stop-color:#ffffff;stop-opacity:1;"
+         offset="0"
+         id="stop320-47" />
+      <stop
+         style="stop-color:#ffffff;stop-opacity:0;"
+         offset="1"
+         id="stop321-45" />
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+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient23974-39"
+       id="linearGradient16862"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(-1.004219,0,0,0.980922,244.3928,19.4113)"
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+       y1="-120.6127"
+       x2="-78.787354"
+       y2="-128.30418" />
+    <linearGradient
+       inkscape:collect="always"
+       xlink:href="#linearGradient31320-9"
+       id="linearGradient16864"
+       gradientUnits="userSpaceOnUse"
+       gradientTransform="matrix(-1.004219,0,0,0.980922,222.97812,19.5574)"
+       x1="68.688324"
+       y1="51.42366"
+       x2="72.671516"
+       y2="55.501457" />
+    <linearGradient
+       inkscape:collect="always"
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+       x1="-26.207859"
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+       y2="253.15045" />
+    <linearGradient
+       inkscape:collect="always"
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+       x1="103.65562"
+       y1="49.547874"
+       x2="120.79755"
+       y2="57.84819" />
   </defs>
   <sodipodi:namedview
      id="base"
@@ -30098,11 +30222,11 @@
      objecttolerance="10000"
      inkscape:pageopacity="0.0"
      inkscape:pageshadow="2"
-     inkscape:zoom="11.740919"
-     inkscape:cx="291.42828"
-     inkscape:cy="63.791344"
+     inkscape:zoom="7.2069341"
+     inkscape:cx="381.96928"
+     inkscape:cy="408.8621"
      inkscape:document-units="px"
-     inkscape:current-layer="ICON_BORDER_LASSO"
+     inkscape:current-layer="layer1"
      showgrid="true"
      inkscape:window-width="1920"
      inkscape:window-height="995"
@@ -90320,6 +90444,106 @@
          id="rect18509"
          style="fill:none;stroke:none" />
     </g>
+    <g
+       style="display:inline;enable-background:new"
+       id="ICON_MOD_NORMALEDIT"
+       transform="translate(105,-19)">
+      <rect
+         style="opacity:0;fill:#b3b3b3;fill-opacity:1;fill-rule:evenodd;stroke:none;stroke-width:2.79999995;marker:none;visibility:visible;display:inline;overflow:visible;enable-background:accumulate"
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+         width="16"
+         height="16"
+         x="236"
+         y="260" />
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+         id="g18697-9"
+         transform="translate(-86,370.75)">
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+        <g
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+             sodipodi:nodetypes="ccccc"
+             inkscape:export-filename="C:\Documents and Settings\Tata\Pulpit\4.png"
+             inkscape:export-xdpi="90"
+             inkscape:export-ydpi="90"
+             inkscape:connector-curvature="0" />
+        </g>
+        <path
+           id="path18763-1"
+           d="m 335,-105.5 -5,2 0,6.75 5,-2.75 0,-6 z"
+           style="fill:url(#linearGradient16866);fill-opacity:1;fill-rule:evenodd;stroke:none;display:inline"
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+           style="fill:none;stroke:url(#linearGradient16868);stroke-width:0.99999982px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+           inkscape:connector-curvature="0" />
+        <path
+           id="path18758-5"
+           style="opacity:0.8;fill:none;stroke:#d7e3f4;stroke-width:3.29999995;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;display:inline"
+           d="m 330.25,-103.25 3.25,-1.5"
+           sodipodi:nodetypes="cc"
+           inkscape:export-filename="C:\Documents and Settings\Tata\Pulpit\Kopia blender\.blender\icons\blender's iconset.png"
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+           inkscape:export-ydpi="90"
+           inkscape:connector-curvature="0" />
+        <g
+           id="g18737-4"
+           style="opacity:0.7" />
+        <path
+           inkscape:export-ydpi="90"
+           inkscape:export-xdpi="90"
+           inkscape:export-filename="C:\Documents and Settings\Tata\Pulpit\Kopia blender\.blender\icons\blender's iconset.png"
+           sodipodi:nodetypes="cc"
+           d="M 330.25,-103.25 335,-105.5"
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+           id="path18760-7"
+           inkscape:connector-curvature="0" />
+        <path
+           inkscape:export-ydpi="90"
+           inkscape:export-xdpi="90"
+           inkscape:export-filename="C:\Documents and Settings\Tata\Pulpit\Kopia blender\.blender\icons\blender's iconset.png"
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+        <path
+           inkscape:export-ydpi="90"
+           inkscape:export-xdpi="90"
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+           inkscape:connector-curvature="0" />
+        <path
+           inkscape:export-ydpi="90"
+           inkscape:export-xdpi="90"
+           inkscape:export-filename="C:\Documents and Settings\Tata\Pulpit\Kopia blender\.blender\icons\blender's iconset.png"
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      inkscape:groupmode="layer"
diff --git a/release/datafiles/blender_icons16/icon16_mod_normaledit.dat b/release/datafiles/blender_icons16/icon16_mod_normaledit.dat
new file mode 100644
index 00000000000..1c4898f80d8
--- /dev/null
+++ b/release/datafiles/blender_icons16/icon16_mod_normaledit.dat
diff --git a/release/datafiles/blender_icons32/icon32_mod_normaledit.dat b/release/datafiles/blender_icons32/icon32_mod_normaledit.dat
new file mode 100644
index 00000000000..26cce5507be
--- /dev/null
+++ b/release/datafiles/blender_icons32/icon32_mod_normaledit.dat
diff --git a/release/datafiles/prvicons.png b/release/datafiles/prvicons.png
index f8f744aadb3..7209385da9c 100644
--- a/release/datafiles/prvicons.png
+++ b/release/datafiles/prvicons.png
diff --git a/release/scripts/startup/bl_ui/properties_data_modifier.py b/release/scripts/startup/bl_ui/properties_data_modifier.py
index 92e9e02ffca..283340bd9e1 100644
--- a/release/scripts/startup/bl_ui/properties_data_modifier.py
+++ b/release/scripts/startup/bl_ui/properties_data_modifier.py
@@ -1350,6 +1350,38 @@ class DATA_PT_modifiers(ModifierButtonsPanel, Panel):
         sub.active = bool(md.vertex_group)
         sub.prop(md, "invert_vertex_group", text="", icon='ARROW_LEFTRIGHT')
 
+    def NORMAL_EDIT(self, layout, ob, md):
+        has_vgroup = bool(md.vertex_group)
+        needs_object_offset = (((md.mode == 'RADIAL') and not md.target) or
+                               ((md.mode == 'DIRECTIONAL') and md.use_direction_parallel))
+
+        row = layout.row()
+        row.prop(md, "mode", expand=True)
+
+        split = layout.split()
+
+        col = split.column()
+        col.prop(md, "target", text="")
+        sub = col.column(align=True)
+        sub.active = needs_object_offset
+        sub.prop(md, "offset")
+        row = col.row(align=True)
+
+        col = split.column()
+        row = col.row()
+        row.active = (md.mode == 'DIRECTIONAL')
+        row.prop(md, "use_direction_parallel")
+
+        subcol = col.column(align=True)
+        subcol.label("Mix Mode:")
+        subcol.prop(md, "mix_mode", text="")
+        subcol.prop(md, "mix_factor")
+        row = subcol.row(align=True)
+        row.prop_search(md, "vertex_group", ob, "vertex_groups", text="")
+        sub = row.row(align=True)
+        sub.active = has_vgroup
+        sub.prop(md, "use_invert_vertex_group", text="", icon='ARROW_LEFTRIGHT')
+
 
 if __name__ == "__main__":  # only for live edit.
     bpy.utils.register_module(__name__)