feat: initial particle system support

Related to #24

multi_user/bl_types/__init__.py

@@ -16,7 +16,8 @@ __all__ = [
     'bl_metaball',
     'bl_lattice',
     'bl_lightprobe',
-    'bl_speaker'
+    'bl_speaker',
+    'bl_particle'
 ]  # Order here defines execution order
 
 from . import *

multi_user/bl_types/bl_datablock.py

@@ -3,7 +3,7 @@ import mathutils
 
 from .. import utils
 from ..libs.replication.replication.data import ReplicatedDatablock
-from ..libs.replication.replication.constants import (UP, DIFF_BINARY)
+from ..libs.replication.replication.constants import (UP, DIFF_BINARY,DIFF_JSON)
 from ..libs import dump_anything 
 
 def dump_driver(driver):
@@ -75,7 +75,7 @@ class BlDatablock(ReplicatedDatablock):
         if self.pointer and hasattr(self.pointer, 'uuid'):
             self.pointer.uuid = self.uuid
         
-        self.diff_method = DIFF_BINARY
+        self.diff_method = DIFF_JSON
 
     def library_apply(self):
         """Apply stored data

multi_user/bl_types/bl_object.py

@@ -101,14 +101,19 @@ class BlObject(BlDatablock):
 
             for modifier in data['modifiers']:
                 target_modifier = target.modifiers.get(modifier)
-
                 if not target_modifier:
                     target_modifier = target.modifiers.new(
                         data['modifiers'][modifier]['name'], data['modifiers'][modifier]['type'])
 
+                if target_modifier.type == 'PARTICLE_SYSTEM':
+                    tmp_particle_system = target_modifier.particle_system.name
+                
                 utils.dump_anything.load(
                     target_modifier, data['modifiers'][modifier])
 
+                if target_modifier.type == 'PARTICLE_SYSTEM':
+                    target.particle_systems[data['modifiers'][modifier]['name']].settings  = bpy.data.particles[data['modifiers'][modifier]['particle_system']]
+                    # bpy.data.particles.remove(tmp_particle_system)
         # Load constraints
         # Object
         if hasattr(target, 'constraints') and 'constraints' in data:
@@ -188,6 +193,7 @@ class BlObject(BlDatablock):
 
                 target.data.shape_keys.key_blocks[key_block].relative_key = target.data.shape_keys.key_blocks[reference]
 
+        
     def dump_implementation(self, data, pointer=None):
         assert(pointer)
         dumper = utils.dump_anything.Dumper()
@@ -219,9 +225,17 @@ class BlObject(BlDatablock):
             dumper.depth = 2
             data["modifiers"] = {}
             for index, modifier in enumerate(pointer.modifiers):
-                data["modifiers"][modifier.name] = dumper.dump(modifier)
-                data["modifiers"][modifier.name]['m_index'] = index
+                modifier_data = {}
 
+                if modifier.type == 'PARTICLE_SYSTEM':
+                    modifier_data['particle_system'] = modifier.particle_system.name
+                    dumper.depth = 1
+                
+                modifier_data.update(dumper.dump(modifier))
+                
+                modifier_data['m_index'] = index
+
+                data["modifiers"][modifier.name] = modifier_data
         # CONSTRAINTS
         # OBJECT
         if hasattr(pointer, 'constraints'):
@@ -334,9 +348,15 @@ class BlObject(BlDatablock):
         # Avoid Empty case
         if self.pointer.data:
             deps.append(self.pointer.data)
+        
+        # Childred
         if len(self.pointer.children) > 0:
             deps.extend(list(self.pointer.children))
 
+        # Particle systems
+        for particle_slot in self.pointer.particle_systems:
+            deps.append(bpy.data.particles[particle_slot.name])
+
         if self.is_library:
             deps.append(self.pointer.library)
 

multi_user/bl_types/bl_particle.py

@@ -0,0 +1,32 @@
+import bpy
+import mathutils
+
+from .. import utils
+from ..libs.replication.replication.constants import (DIFF_JSON)
+from .bl_datablock import BlDatablock
+
+
+class BlParticle(BlDatablock):
+    bl_id = "particles"
+    bl_class = bpy.types.ParticleSettings
+    bl_delay_refresh = 1
+    bl_delay_apply = 1
+    bl_automatic_push = True
+    bl_icon = 'PARTICLES'
+
+    diff_method = DIFF_JSON
+
+    def construct(self, data):
+        return bpy.data.particles.new(data["name"])
+
+    def load_implementation(self, data, target):
+        utils.dump_anything.load(target, data)
+
+    def dump_implementation(self, data, pointer=None):
+        assert(pointer)
+
+        dumper = utils.dump_anything.Dumper()
+        dumper.depth = 1
+        data = dumper.dump(pointer)
+
+        return data