Release 2.8.1

__init__.py

@@ -36,7 +36,7 @@
 bl_info = {
     "name": "Modular trees",
     "author": "Herpin Maxime, Jake Dube",
-    "version": (2, 8, 0),
+    "version": (2, 8, 1),
     "blender": (2, 77, 0),
     "location": "View3D > Tools > Tree > Make Tree",
     "description": "Generates an organic tree with correctly modeled branching.",
@@ -257,6 +257,13 @@ def draw(self, context):
         box.prop_search(mtree_props, "obstacle", scene, "objects")
         if bpy.data.objects.get(mtree_props.obstacle) is not None:
             box.prop(mtree_props, 'obstacle_strength')
+        col1 = box.column()
+        col1.prop(mtree_props, 'use_force_field')
+        if mtree_props.use_force_field:
+            col1.prop(mtree_props, 'fields_point_strength')
+            col1.prop(mtree_props, 'fields_point_strength')
+            col1.prop(mtree_props, 'fields_strength_limit')
+            col1.prop(mtree_props, 'fields_radius_factor')
 
 
 class AdvancedSettingsPanel(Panel):
@@ -271,6 +278,7 @@ class AdvancedSettingsPanel(Panel):
     def draw(self, context):
         mtree_props = context.scene.mtree_props
         layout = self.layout
+        scene = context.scene
 
         box = layout.box()
         box.prop(mtree_props, 'mat')
@@ -285,6 +293,8 @@ def draw(self, context):
         if mtree_props.particle:
             box.prop(mtree_props, 'number')
             box.prop(mtree_props, 'display')
+            box.prop_search(mtree_props, "twig_particle", scene, "objects")
+            box.prop(mtree_props, 'particle_size')
 
 
 class WindAnimationPanel(Panel):
@@ -326,6 +336,7 @@ class MakeTwigPanel(Panel):
     def draw(self, context):
         mtree_props = context.scene.mtree_props
         layout = self.layout
+        scene = context.scene
 
         row = layout.row()
         row.scale_y = 1.5
@@ -338,11 +349,12 @@ def draw(self, context):
         box = layout.box()
         box.label("Twig Options")
         box.prop(mtree_props, "leaf_size")
+        box.prop_search(mtree_props, "leaf_object", scene, "objects")
         box.prop(mtree_props, "leaf_chance")
+        box.prop(mtree_props, "leaf_weight")
         box.prop(mtree_props, "TwigSeedProp")
         box.prop(mtree_props, "twig_iteration")
         box.prop_search(mtree_props, "twig_bark_material", bpy.data, "materials")
-        box.prop_search(mtree_props, "twig_leaf_material", bpy.data, "materials")
 
 
 class MakeTreePresetsPanel(Panel):
@@ -542,10 +554,10 @@ class ModularTreePropertyGroup(PropertyGroup):
         description="randomize the rotation of branches angle")
 
     branch_min_radius = FloatProperty(
-        name = "Branches minimum radius",
-        default = .04,
-        min = 0,
-        description = "radius at which a branch breaks for being to small")
+        name="Branches minimum radius",
+        default=.04,
+        min=0,
+        description="radius at which a branch breaks for being to small")
 
     particle = BoolProperty(
         name="Configure Particle System",
@@ -559,6 +571,15 @@ class ModularTreePropertyGroup(PropertyGroup):
         name="Particles in Viewport",
         default=500)
 
+    twig_particle = StringProperty(
+        name='twig or leaf object',
+        default='')
+
+    particle_size = FloatProperty(
+        name="twig/leaf size",
+        min=0,
+        default=1.5)
+
     break_chance = FloatProperty(
         name="Break Chance",
         default=0.02)
@@ -576,8 +597,11 @@ class ModularTreePropertyGroup(PropertyGroup):
         min=0,
         default=.5)
 
-    twig_leaf_material = StringProperty(
-        name="Leaf Material")
+    leaf_weight = FloatProperty(
+        name="Leaf Weight",
+        min=0,
+        max=1,
+        default=.2)
 
     twig_bark_material = StringProperty(
         name="Twig Bark Material")
@@ -592,6 +616,11 @@ class ModularTreePropertyGroup(PropertyGroup):
         soft_max=10,
         default=9)
 
+    leaf_object = StringProperty(
+        name="leaf object",
+        default="",
+        description="The object used for the leaves.  \nThe leaf must be on Y axis and the rotation must be applied")
+
     tree_number = IntProperty(
         name="Tree Number",
         min=2,
@@ -631,21 +660,48 @@ class ModularTreePropertyGroup(PropertyGroup):
         description="The distance from the terrain that the wind effect is at its highest")
 
     use_grease_pencil = BoolProperty(
-        name = "Use Grease Pencil",
-        default = False)
+        name="Use Grease Pencil",
+        default=False)
 
     smooth_stroke = FloatProperty(
-        name = "Smooth Iterations",
-        min = 0.0,
-        max = 1,
-        default = .2)
+        name="Smooth Iterations",
+        min=0.0,
+        max=1,
+        default=.2)
 
     stroke_step_size = FloatProperty(
-        name = "Step Size",
-        min = 0,
-        default = .5)
+        name="Step Size",
+        min=0,
+        default=.5)
+
+    use_force_field = BoolProperty(
+        name="Use Force Field",
+        default=False)
+
+    fields_point_strength = FloatProperty(
+        name="Point Force Strength",
+        min=0.0,
+        default=1)
+
+    fields_wind_strength = FloatProperty(
+        name="Wind Force Strength",
+        min=0.0,
+        default=1)
+
+    fields_strength_limit = FloatProperty(
+        name="Strength Limit",
+        min=0,
+        default=10,
+        description="limits the force so that it can't approaches infinity")
+
+    fields_radius_factor = FloatProperty(
+        name="Radius Factor",
+        min=0,
+        max=1,
+        default=.5,
+        description="How the branch radius affects the force strength. "
+                    "\n0 means big branches are as affected as small ones.")
 
-
     clear_mods = BoolProperty(name="Clear Modifiers", default=True)
 
     wind_strength = FloatProperty(name="Wind Strength", default=1)

generator_operators.py

@@ -101,19 +101,19 @@ class MakeTwigOperator(Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
+        scene = context.scene
+        mtree_props = scene.mtree_props
+
         # this block saves everything and cancels operator if something goes wrong
         display_logo()
-        messages, message_lvls, status = save_everything()
+        messages, message_lvls, status = save_everything(twig=True)
         for i, message in enumerate(messages):
             self.report({message_lvls[i]}, message)
             return {status}
 
-        scene = context.scene
-        mtree_props = scene.mtree_props
 
         seed(mtree_props.TwigSeedProp)
         save_preserve_trunk = mtree_props.preserve_trunk
-        save_trunk_split_angle = mtree_props.split_angle  # This variable is never used! Should it be?
         save_randomangle = mtree_props.randomangle
         save_trunk_variation = mtree_props.trunk_variation
         save_radius = mtree_props.radius
@@ -146,6 +146,7 @@ def execute(self, context):
         save_number = mtree_props.number
         save_display = mtree_props.display
         save_break_chance = mtree_props.break_chance
+        save_use_grease_pencil = mtree_props.use_grease_pencil
 
         mtree_props.preserve_trunk = False
         mtree_props.trunk_split_angle = 0
@@ -180,6 +181,7 @@ def execute(self, context):
         mtree_props.number = 0
         mtree_props.display = 0
         mtree_props.break_chance = 0
+        mtree_props.use_grease_pencil = False
 
         if bpy.data.materials.get("twig bark") is None:
             build_bark_material("twig bark")
@@ -191,16 +193,23 @@ def execute(self, context):
 
         twig = bpy.context.active_object
         twig.name = 'twig'
+        leafs = []
         twig.active_material = bpy.data.materials.get(mtree_props.twig_bark_material)
-        for (position, direction, rotation) in twig_leafs:
-            for i in range(randint(1, 3)):
-                if random() < mtree_props.leaf_chance:
-                    add_leaf(position + direction * .5 * random(), direction + Vector((random(), random(), random())),
-                             rotation + random() * 5, (1 + random()) * mtree_props.leaf_size)
-                    bpy.context.active_object.active_material = bpy.data.materials.get(mtree_props.twig_leaf_material)
-                    twig.select = True
-                    scene.objects.active = twig
-
+        for (position, direction) in twig_leafs:
+            if random() < mtree_props.leaf_chance:
+                for i in range(randint(1, 3)):
+                    if random() < mtree_props.leaf_chance:
+                        add_leaf(position+direction*random(), direction+Vector((random()-.5, random()-.5, 0))*.2, mtree_props.leaf_size*(2+random()), mtree_props.leaf_object, mtree_props.leaf_weight)
+                        leafs.append(bpy.context.active_object)
+                        if not bpy.context.active_object.data.materials.items():
+                            mat = bpy.data.materials.get("leaf_mat")
+                            if mat is None:
+                                mat = bpy.data.materials.new(name="leaf_mat")
+                            bpy.context.active_object.active_material = mat
+                        twig.select = True
+                        scene.objects.active = twig
+        for i in leafs:
+            i.select = True
         bpy.ops.object.join()
         bpy.ops.transform.rotate(value=-1.5708, axis=(1, 0, 0))
         bpy.ops.transform.resize(value=(0.25, 0.25, 0.25))
@@ -240,6 +249,7 @@ def execute(self, context):
         mtree_props.number = save_number
         mtree_props.display = save_display
         mtree_props.break_chance = save_break_chance
+        mtree_props.use_grease_pencil = save_use_grease_pencil
 
         return {'FINISHED'}
 
@@ -315,7 +325,7 @@ class UpdateTwigOperator(Operator):
     def execute(self, context):
         # this block saves everything and cancels operator if something goes wrong
         display_logo()
-        messages, message_lvls, status = save_everything()
+        messages, message_lvls, status = save_everything(twig=True)
         for i, message in enumerate(messages):
             self.report({message_lvls[i]}, message)
             return {status}
@@ -332,7 +342,6 @@ def execute(self, context):
             return {'CANCELLED'}
 
         if is_tree_prop:
-            pos = obj.location  # this is never used...should it be?
             scale = obj.scale
             rot = obj.rotation_euler
             bpy.ops.mod_tree.add_twig()

particle_configurator.py

@@ -17,8 +17,10 @@
 # along with Modular Tree.  If not, see <http://www.gnu.org/licenses/>.
 # ##### END GPL LICENSE BLOCK #####
 
+import bpy
 
-def create_system(ob, number, display, vertex_group):
+
+def create_system(ob, number, display, vertex_group, object_name, size):
     """ Creates a particle system
 
     Args:
@@ -31,7 +33,7 @@ def create_system(ob, number, display, vertex_group):
     g = vertex_group
 
     # customize the particle system
-    leaf = ob.modifiers.new("psys name", 'PARTICLE_SYSTEM')
+    leaf = ob.modifiers.new("leafs", 'PARTICLE_SYSTEM')
     part = ob.particle_systems[0]
     part.vertex_group_density = g.name
     settings = leaf.particle_system.settings
@@ -46,7 +48,9 @@ def create_system(ob, number, display, vertex_group):
     settings.use_rotations = True
     settings.phase_factor = 1
     settings.phase_factor_random = 1
-    settings.particle_size = 0.015
+    settings.particle_size = 0.1 * size
     settings.size_random = 0.25
     settings.brownian_factor = 1
     settings.render_type = "OBJECT"
+    if bpy.data.objects.get(object_name) is not None:
+        settings.dupli_object = bpy.context.scene.objects[object_name]

prep_manager.py

@@ -85,11 +85,21 @@ def always_save():
     return "SUCCESS", None
 
 
-def save_everything():
-    # save files
-    save_return, bad_file = always_save()
+def save_everything(twig=False):
     messages = []
     message_lvls = []
+    scene = bpy.context.scene
+    mtree_props = scene.mtree_props
+
+    if twig:
+        # do illegal settings checks here
+        if mtree_props.leaf_object not in scene.objects:
+            messages += ["Requires a valid leaf object! Add one with the object selector in the twig UI."]
+            message_lvls += ['ERROR']
+            return messages, message_lvls, 'CANCELLED'
+
+    # save files
+    save_return, bad_file = always_save()
     if save_return == "BLEND_ERROR":
         messages += ["Save file or disable always save " + "in user prefs."]
         message_lvls += ['ERROR']