[Bf-blender-cvs] [cc5e90f75d7] blender2.8: Manipulator: template for Python manipulator
Campbell Barton
noreply at git.blender.org
Tue Aug 22 12:11:57 CEST 2017
Commit: cc5e90f75d71d8e9debb740164f09d28bf501492
Author: Campbell Barton
Date: Tue Aug 22 20:10:53 2017 +1000
Branches: blender2.8
https://developer.blender.org/rBcc5e90f75d71d8e9debb740164f09d28bf501492
Manipulator: template for Python manipulator
This is an example of a manipulator that defines it's own geometry.
===================================================================
A release/scripts/templates_py/manipulator_custom_geometry.py
===================================================================
diff --git a/release/scripts/templates_py/manipulator_custom_geometry.py b/release/scripts/templates_py/manipulator_custom_geometry.py
new file mode 100644
index 00000000000..38f7a358b2a
--- /dev/null
+++ b/release/scripts/templates_py/manipulator_custom_geometry.py
@@ -0,0 +1,156 @@
+# Example of a custom widget that defines it's own geometry.
+#
+# Usage: Select a lamp in the 3D view and drag the arrow at it's rear
+# to change it's energy value.
+#
+import bpy
+from bpy.types import (
+ Manipulator,
+ ManipulatorGroup,
+)
+
+# Coordinates (each one is a triangle).
+custom_shape_verts = (
+ (3.0, 1.0, -1.0), (2.0, 2.0, -1.0), (3.0, 3.0, -1.0),
+ (1.0, 3.0, 1.0), (3.0, 3.0, -1.0), (1.0, 3.0, -1.0),
+ (3.0, 3.0, 1.0), (3.0, 1.0, -1.0), (3.0, 3.0, -1.0),
+ (2.0, 0.0, 1.0), (3.0, 1.0, -1.0), (3.0, 1.0, 1.0),
+ (2.0, 0.0, -1.0), (2.0, 2.0, 1.0), (2.0, 2.0, -1.0),
+ (2.0, 2.0, -1.0), (0.0, 2.0, 1.0), (0.0, 2.0, -1.0),
+ (1.0, 3.0, 1.0), (2.0, 2.0, 1.0), (3.0, 3.0, 1.0),
+ (0.0, 2.0, -1.0), (1.0, 3.0, 1.0), (1.0, 3.0, -1.0),
+ (2.0, 2.0, 1.0), (3.0, 1.0, 1.0), (3.0, 3.0, 1.0),
+ (2.0, 2.0, -1.0), (1.0, 3.0, -1.0), (3.0, 3.0, -1.0),
+ (-3.0, -1.0, -1.0), (-2.0, -2.0, -1.0), (-3.0, -3.0, -1.0),
+ (-1.0, -3.0, 1.0), (-3.0, -3.0, -1.0), (-1.0, -3.0, -1.0),
+ (-3.0, -3.0, 1.0), (-3.0, -1.0, -1.0), (-3.0, -3.0, -1.0),
+ (-2.0, 0.0, 1.0), (-3.0, -1.0, -1.0), (-3.0, -1.0, 1.0),
+ (-2.0, 0.0, -1.0), (-2.0, -2.0, 1.0), (-2.0, -2.0, -1.0),
+ (-2.0, -2.0, -1.0), (0.0, -2.0, 1.0), (0.0, -2.0, -1.0),
+ (-1.0, -3.0, 1.0), (-2.0, -2.0, 1.0), (-3.0, -3.0, 1.0),
+ (0.0, -2.0, -1.0), (-1.0, -3.0, 1.0), (-1.0, -3.0, -1.0),
+ (-2.0, -2.0, 1.0), (-3.0, -1.0, 1.0), (-3.0, -3.0, 1.0),
+ (-2.0, -2.0, -1.0), (-1.0, -3.0, -1.0), (-3.0, -3.0, -1.0),
+ (1.0, -1.0, 0.0), (-1.0, -1.0, 0.0), (0.0, 0.0, -5.0),
+ (-1.0, -1.0, 0.0), (1.0, -1.0, 0.0), (0.0, 0.0, 5.0),
+ (1.0, -1.0, 0.0), (1.0, 1.0, 0.0), (0.0, 0.0, 5.0),
+ (1.0, 1.0, 0.0), (-1.0, 1.0, 0.0), (0.0, 0.0, 5.0),
+ (-1.0, 1.0, 0.0), (-1.0, -1.0, 0.0), (0.0, 0.0, 5.0),
+ (-1.0, -1.0, 0.0), (-1.0, 1.0, 0.0), (0.0, 0.0, -5.0),
+ (-1.0, 1.0, 0.0), (1.0, 1.0, 0.0), (0.0, 0.0, -5.0),
+ (1.0, 1.0, 0.0), (1.0, -1.0, 0.0), (0.0, 0.0, -5.0),
+ (3.0, 1.0, -1.0), (2.0, 0.0, -1.0), (2.0, 2.0, -1.0),
+ (1.0, 3.0, 1.0), (3.0, 3.0, 1.0), (3.0, 3.0, -1.0),
+ (3.0, 3.0, 1.0), (3.0, 1.0, 1.0), (3.0, 1.0, -1.0),
+ (2.0, 0.0, 1.0), (2.0, 0.0, -1.0), (3.0, 1.0, -1.0),
+ (2.0, 0.0, -1.0), (2.0, 0.0, 1.0), (2.0, 2.0, 1.0),
+ (2.0, 2.0, -1.0), (2.0, 2.0, 1.0), (0.0, 2.0, 1.0),
+ (1.0, 3.0, 1.0), (0.0, 2.0, 1.0), (2.0, 2.0, 1.0),
+ (0.0, 2.0, -1.0), (0.0, 2.0, 1.0), (1.0, 3.0, 1.0),
+ (2.0, 2.0, 1.0), (2.0, 0.0, 1.0), (3.0, 1.0, 1.0),
+ (2.0, 2.0, -1.0), (0.0, 2.0, -1.0), (1.0, 3.0, -1.0),
+ (-3.0, -1.0, -1.0), (-2.0, 0.0, -1.0), (-2.0, -2.0, -1.0),
+ (-1.0, -3.0, 1.0), (-3.0, -3.0, 1.0), (-3.0, -3.0, -1.0),
+ (-3.0, -3.0, 1.0), (-3.0, -1.0, 1.0), (-3.0, -1.0, -1.0),
+ (-2.0, 0.0, 1.0), (-2.0, 0.0, -1.0), (-3.0, -1.0, -1.0),
+ (-2.0, 0.0, -1.0), (-2.0, 0.0, 1.0), (-2.0, -2.0, 1.0),
+ (-2.0, -2.0, -1.0), (-2.0, -2.0, 1.0), (0.0, -2.0, 1.0),
+ (-1.0, -3.0, 1.0), (0.0, -2.0, 1.0), (-2.0, -2.0, 1.0),
+ (0.0, -2.0, -1.0), (0.0, -2.0, 1.0), (-1.0, -3.0, 1.0),
+ (-2.0, -2.0, 1.0), (-2.0, 0.0, 1.0), (-3.0, -1.0, 1.0),
+ (-2.0, -2.0, -1.0), (0.0, -2.0, -1.0), (-1.0, -3.0, -1.0),
+)
+
+
+class MyCustomShapeWidget(Manipulator):
+ bl_idname = "VIEW3D_WT_auto_facemap"
+ bl_target_properties = (
+ {"id": "offset", "type": 'FLOAT', "array_length": 1},
+ )
+
+ __slots__ = (
+ "custom_shape",
+ "init_mouse_y",
+ "init_value",
+ )
+
+ def _update_offset_matrix(self):
+ # offset behind the lamp
+ self.matrix_offset.col[3][2] = self.target_get_value("offset") / -10.0
+
+ def draw(self, context):
+ self._update_offset_matrix()
+ self.draw_custom_shape(self.custom_shape)
+
+ def draw_select(self, context, select_id):
+ self._update_offset_matrix()
+ self.draw_custom_shape(self.custom_shape, select_id=select_id)
+
+ def setup(self):
+ if not hasattr(self, "custom_shape"):
+ self.custom_shape = self.new_custom_shape('TRIS', custom_shape_verts)
+
+ def invoke(self, context, event):
+ self.init_mouse_y = event.mouse_y
+ self.init_value = self.target_get_value("offset")
+
+ def exit(self, context, cancel):
+ context.area.header_text_set()
+ if cancel:
+ self.target_set_value("offset", self.init_value)
+
+ def modal(self, context, event, tweak):
+ delta = (event.mouse_y - self.init_mouse_y) / 10.0
+ if 'SNAP' in tweak:
+ delta = round(delta)
+ if 'PRECISE' in tweak:
+ delta /= 10.0
+ value = self.init_value + delta
+ self.target_set_value("offset", value)
+ context.area.header_text_set("My Manipulator: %.4f" % value)
+
+
+class MyCustomShapeWidgetGroup(ManipulatorGroup):
+ bl_idname = "OBJECT_WGT_lamp_test"
+ bl_label = "Test Lamp Widget"
+ bl_space_type = 'VIEW_3D'
+ bl_region_type = 'WINDOW'
+ bl_options = {'3D', 'PERSISTENT'}
+
+ @classmethod
+ def poll(cls, context):
+ ob = context.object
+ return (ob and ob.type == 'LAMP')
+
+ def setup(self, context):
+ # Assign the 'offset' target property to the lamp energy.
+ ob = context.object
+ mpr = self.manipulators.new(MyCustomShapeWidget.bl_idname)
+ mpr.target_set_prop("offset", ob.data, "energy")
+ mpr.matrix_basis = ob.matrix_world.normalized()
+
+ mpr.color = 1.0, 0.5, 1.0
+ mpr.alpha = 0.5
+
+ mpr.color_highlight = 1.0, 0.5, 1.0
+ mpr.alpha_highlight = 0.5
+
+ # units are large, so shrink to something more reasonable.
+ mpr.scale_basis = 0.1
+ mpr.use_draw_modal = True
+
+ self.energy_widget = mpr
+
+ def refresh(self, context):
+ ob = context.object
+ mpr = self.energy_widget
+ mpr.matrix_basis = ob.matrix_world.normalized()
+
+
+classes = (
+ MyCustomShapeWidget,
+ MyCustomShapeWidgetGroup,
+)
+
+for cls in classes:
+ bpy.utils.register_class(cls)
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