2.5: Added first particle panel, and an RNA property to retrieve

the active particle system.

3 files changed, 41 insertions, 2 deletions

diff --git a/release/ui/buttons_particle.py b/release/ui/buttons_particle.py
new file mode 100644
index 00000000000..52e20b03538
--- /dev/null
+++ b/release/ui/buttons_particle.py
@@ -0,0 +1,26 @@
+
+import bpy
+
+class ParticleButtonsPanel(bpy.types.Panel):
+	__space_type__ = "BUTTONS_WINDOW"
+	__region_type__ = "WINDOW"
+	__context__ = "particle"
+
+	def poll(self, context):
+		ob = context.active_object
+		return (ob and ob.active_particle_system)
+
+class PARTICLE_PT_particles(ParticleButtonsPanel):
+	__idname__= "PARTICLE_PT_particles"
+	__label__ = "Particles"
+
+	def draw(self, context):
+		layout = self.layout
+
+		psys = context.active_object.active_particle_system
+		part = psys.settings
+
+		layout.itemR(part, "amount")
+
+bpy.types.register(PARTICLE_PT_particles)
+
diff --git a/source/blender/makesrna/intern/rna_object.c b/source/blender/makesrna/intern/rna_object.c
index 86df2935f79..6baf5083d31 100644
--- a/source/blender/makesrna/intern/rna_object.c
+++ b/source/blender/makesrna/intern/rna_object.c
@@ -42,6 +42,7 @@
 #include "BKE_context.h"
 #include "BKE_depsgraph.h"
 #include "BKE_material.h"
+#include "BKE_particle.h"
 
 static void rna_Object_update(bContext *C, PointerRNA *ptr)
 {
@@ -202,6 +203,13 @@ static void rna_Object_active_material_link_set(PointerRNA *ptr, int value)
 		ob->colbits &= ~(1<<(ob->actcol));
 }
 
+static PointerRNA rna_Object_active_particle_system_get(PointerRNA *ptr)
+{
+	Object *ob= (Object*)ptr->id.data;
+	ParticleSystem *psys= psys_get_current(ob);
+	return rna_pointer_inherit_refine(ptr, &RNA_ParticleSystem, psys);
+}
+
 static PointerRNA rna_Object_game_settings_get(PointerRNA *ptr)
 {
 	return rna_pointer_inherit_refine(ptr, &RNA_GameObjectSettings, ptr->id.data);
@@ -720,6 +728,11 @@ static StructRNA *rna_def_object(BlenderRNA *brna)
 	RNA_def_property_struct_type(prop, "ParticleSystem");
 	RNA_def_property_ui_text(prop, "Particle Systems", "Particle systems emitted from the object.");
 
+	prop= RNA_def_property(srna, "active_particle_system", PROP_POINTER, PROP_NONE);
+	RNA_def_property_struct_type(prop, "ParticleSystem");
+	RNA_def_property_pointer_funcs(prop, "rna_Object_active_particle_system_get", NULL);
+	RNA_def_property_ui_text(prop, "Active Particle System", "Active particle system being displayed");
+
 	/* restrict */
 
 	prop= RNA_def_property(srna, "restrict_view", PROP_BOOLEAN, PROP_NONE);
diff --git a/source/blender/makesrna/intern/rna_particle.c b/source/blender/makesrna/intern/rna_particle.c
index 95c5c90b304..36a1992670a 100644
--- a/source/blender/makesrna/intern/rna_particle.c
+++ b/source/blender/makesrna/intern/rna_particle.c
@@ -838,10 +838,10 @@ static void rna_def_particle_settings(BlenderRNA *brna)
 
 	//float rt; TODO:find where rt is used - can't find it in UI
 
-	prop= RNA_def_property(srna, "total_particles", PROP_INT, PROP_UNSIGNED);
+	prop= RNA_def_property(srna, "amount", PROP_INT, PROP_UNSIGNED);
 	RNA_def_property_int_sdna(prop, NULL, "totpart");
 	RNA_def_property_range(prop, 0, 100000);
-	RNA_def_property_ui_text(prop, "Particle Amount", "The total number of particles.");
+	RNA_def_property_ui_text(prop, "Amount", "Total number of particles.");
 
 	prop= RNA_def_property(srna, "userjit", PROP_INT, PROP_UNSIGNED);//TODO: can we get a better name for userjit?
 	RNA_def_property_int_sdna(prop, NULL, "userjit");