RNA:

* Added a MaterialSlot collection in Object rather than giving
  the list of materials immediately. This should more correctly
  reflect how this data is organized, even though there is no
  equivalent C struct.

* Added name properties to MaterialSlot/TextureSlot/ParticleSystem.

source/blender/makesrna/RNA_access.h

@@ -156,6 +156,7 @@ extern StructRNA RNA_Material;
 extern StructRNA RNA_MaterialHalo;
 extern StructRNA RNA_MaterialRaytraceMirror;
 extern StructRNA RNA_MaterialRaytraceTransparency;
+extern StructRNA RNA_MaterialSlot;
 extern StructRNA RNA_MaterialStrand;
 extern StructRNA RNA_MaterialSubsurfaceScattering;
 extern StructRNA RNA_MaterialTextureSlot;

source/blender/makesrna/intern/rna_object.c

@@ -22,6 +22,7 @@
  * ***** END GPL LICENSE BLOCK *****
  */
 
+#include <stdio.h>
 #include <stdlib.h>
 
 #include "RNA_define.h"
@@ -30,6 +31,7 @@
 #include "rna_internal.h"
 
 #include "DNA_customdata_types.h"
+#include "DNA_material_types.h"
 #include "DNA_mesh_types.h"
 #include "DNA_object_types.h"
 #include "DNA_property_types.h"
@@ -175,7 +177,7 @@ static void rna_Object_active_material_index_range(PointerRNA *ptr, int *min, in
 static PointerRNA rna_Object_active_material_get(PointerRNA *ptr)
 {
 	Object *ob= (Object*)ptr->id.data;
-	return rna_pointer_inherit_refine(ptr, &RNA_Material, give_current_material(ob, ob->actcol));
+	return rna_pointer_inherit_refine(ptr, &RNA_MaterialSlot, ob->mat+ob->actcol);
 }
 
 #if 0
@@ -187,20 +189,68 @@ static void rna_Object_active_material_set(PointerRNA *ptr, PointerRNA value)
 }
 #endif
 
-static int rna_Object_active_material_link_get(PointerRNA *ptr)
+static PointerRNA rna_MaterialSlot_material_get(PointerRNA *ptr)
 {
 	Object *ob= (Object*)ptr->id.data;
-	return (ob->colbits & 1<<(ob->actcol)) != 0;
+	Material *ma;
+	int index= (Material**)ptr->data - ob->mat;
+
+	ma= give_current_material(ob, index+1);
+	return rna_pointer_inherit_refine(ptr, &RNA_Material, ma);
 }
 
-static void rna_Object_active_material_link_set(PointerRNA *ptr, int value)
+static void rna_MaterialSlot_material_set(PointerRNA *ptr, PointerRNA value)
 {
 	Object *ob= (Object*)ptr->id.data;
+	int index= (Material**)ptr->data - ob->mat;
+
+	assign_material(ob, value.data, index+1);
+}
+
+static int rna_MaterialSlot_link_get(PointerRNA *ptr)
+{
+	Object *ob= (Object*)ptr->id.data;
+	int index= (Material**)ptr->data - ob->mat;
+
+	return (ob->colbits & (1<<index)) != 0;
+}
+
+static void rna_MaterialSlot_link_set(PointerRNA *ptr, int value)
+{
+	Object *ob= (Object*)ptr->id.data;
+	int index= (Material**)ptr->data - ob->mat;
 	
 	if(value)
-		ob->colbits |= (1<<(ob->actcol));
+		ob->colbits |= (1<<index);
 	else
-		ob->colbits &= ~(1<<(ob->actcol));
+		ob->colbits &= ~(1<<index);
+}
+
+static int rna_MaterialSlot_name_length(PointerRNA *ptr)
+{
+	Object *ob= (Object*)ptr->id.data;
+	Material *ma;
+	int index= (Material**)ptr->data - ob->mat;
+
+	ma= give_current_material(ob, index+1);
+
+	if(ma)
+		return strlen(ma->id.name+2) + 10;
+	
+	return 10;
+}
+
+static void rna_MaterialSlot_name_get(PointerRNA *ptr, char *str)
+{
+	Object *ob= (Object*)ptr->id.data;
+	Material *ma;
+	int index= (Material**)ptr->data - ob->mat;
+
+	sprintf(str, "%d: ", index+1);
+
+	ma= give_current_material(ob, index+1);
+	if(ma)
+		strcat(str, ma->id.name+2);
 }
 
 static PointerRNA rna_Object_active_particle_system_get(PointerRNA *ptr)
@@ -275,6 +325,42 @@ static void rna_def_vertex_group(BlenderRNA *brna)
 	RNA_def_property_ui_text(prop, "Index", "Index number of the vertex group.");
 }
 
+static void rna_def_material_slot(BlenderRNA *brna)
+{
+	StructRNA *srna;
+	PropertyRNA *prop;
+
+	static EnumPropertyItem link_items[] = {
+		{0, "DATA", "Data", ""},
+		{1, "OBJECT", "Object", ""},
+		{0, NULL, NULL, NULL}};
+	
+	/* NOTE: there is no MaterialSlot equivalent in DNA, so the internal
+	 * pointer data points to ob->mat + index, and we manually implement
+	 * get/set for the properties. */
+
+	srna= RNA_def_struct(brna, "MaterialSlot", NULL);
+	RNA_def_struct_ui_text(srna, "Material Slot", "Material slot in an object.");
+	RNA_def_struct_ui_icon(srna, ICON_MATERIAL_DATA);
+
+	prop= RNA_def_property(srna, "material", PROP_POINTER, PROP_NONE);
+	RNA_def_property_struct_type(prop, "Material");
+	RNA_def_property_flag(prop, PROP_EDITABLE);
+	RNA_def_property_pointer_funcs(prop, "rna_MaterialSlot_material_get", "rna_MaterialSlot_material_set");
+	RNA_def_property_ui_text(prop, "Material", "Material datablock used by this material slot.");
+
+	prop= RNA_def_property(srna, "link", PROP_ENUM, PROP_NONE);
+	RNA_def_property_enum_items(prop, link_items);
+	RNA_def_property_enum_funcs(prop, "rna_MaterialSlot_link_get", "rna_MaterialSlot_link_set", NULL);
+	RNA_def_property_ui_text(prop, "Link", "Link material to object or the object's data.");
+
+	prop= RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
+	RNA_def_property_string_funcs(prop, "rna_MaterialSlot_name_get", "rna_MaterialSlot_name_length", NULL);
+	RNA_def_property_ui_text(prop, "Name", "Material slot name.");
+	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
+	RNA_def_struct_name_property(srna, prop);
+}
+
 static void rna_def_object_game_settings(BlenderRNA *brna)
 {
 	StructRNA *srna;
@@ -508,11 +594,6 @@ static StructRNA *rna_def_object(BlenderRNA *brna)
 		{OB_BOUND_POLYH, "POLYHEDER", "Polyheder", ""},
 		{0, NULL, NULL, NULL}};
 
-	static EnumPropertyItem material_link_items[] = {
-		{0, "DATA", "Data", ""},
-		{1, "OBJECT", "Object", ""},
-		{0, NULL, NULL, NULL}};
-
 	static EnumPropertyItem dupli_items[] = {
 		{0, "NONE", "None", ""},
 		{OB_DUPLIFRAMES, "FRAMES", "Frames", "Make copy of object for every frame."},
@@ -590,26 +671,21 @@ static StructRNA *rna_def_object(BlenderRNA *brna)
 	RNA_def_property_ui_text(prop, "Proxy Group", "Library group duplicator object this proxy object controls.");
 
 	/* materials */
-
 	prop= RNA_def_property(srna, "materials", PROP_COLLECTION, PROP_NONE);
 	RNA_def_property_collection_sdna(prop, NULL, "mat", "totcol");
-	RNA_def_property_struct_type(prop, "Material");
-	RNA_def_property_ui_text(prop, "Materials", "");
+	RNA_def_property_struct_type(prop, "MaterialSlot");
+	RNA_def_property_collection_funcs(prop, NULL, NULL, NULL, "rna_iterator_array_get", 0, 0, 0); /* don't dereference pointer! */
+	RNA_def_property_ui_text(prop, "Materials", "Material slots in the object.");
 
 	prop= RNA_def_property(srna, "active_material", PROP_POINTER, PROP_NONE);
-	RNA_def_property_struct_type(prop, "Material");
+	RNA_def_property_struct_type(prop, "MaterialSlot");
 	RNA_def_property_pointer_funcs(prop, "rna_Object_active_material_get", NULL);
 	RNA_def_property_ui_text(prop, "Active Material", "Active material being displayed.");
 
 	prop= RNA_def_property(srna, "active_material_index", PROP_INT, PROP_UNSIGNED);
 	RNA_def_property_int_sdna(prop, NULL, "actcol");
 	RNA_def_property_int_funcs(prop, NULL, NULL, "rna_Object_active_material_index_range");
-	RNA_def_property_ui_text(prop, "Active Material Index", "Index of active material.");
-
-	prop= RNA_def_property(srna, "active_material_link", PROP_ENUM, PROP_NONE);
-	RNA_def_property_enum_items(prop, material_link_items);
-	RNA_def_property_enum_funcs(prop, "rna_Object_active_material_link_get", "rna_Object_active_material_link_set", NULL);
-	RNA_def_property_ui_text(prop, "Active Material Link", "Use material from object or data for the active material.");
+	RNA_def_property_ui_text(prop, "Active Material Index", "Index of active material slot.");
 
 	/* transform */
 
@@ -971,6 +1047,7 @@ void RNA_def_object(BlenderRNA *brna)
 	rna_def_object(brna);
 	rna_def_object_game_settings(brna);
 	rna_def_vertex_group(brna);
+	rna_def_material_slot(brna);
 }
 
 #endif

source/blender/makesrna/intern/rna_particle.c

@@ -22,6 +22,7 @@
  * ***** END GPL LICENSE BLOCK *****
  */
 
+#include <stdio.h>
 #include <stdlib.h>
 
 #include "limits.h"
@@ -33,6 +34,7 @@
 
 #include "DNA_particle_types.h"
 #include "DNA_object_force.h"
+#include "DNA_object_types.h"
 
 #ifdef RNA_RUNTIME
 
@@ -86,6 +88,29 @@ static float rna_PartSetting_linelenhead_get(struct PointerRNA *ptr)
 	ParticleSettings *settings = (ParticleSettings*)ptr->data;
 	return settings->draw_line[1];
 }
+
+static int rna_ParticleSystem_name_length(PointerRNA *ptr)
+{
+	ParticleSystem *psys= ptr->data;
+
+	if(psys->part)
+		return strlen(psys->part->id.name+2) + 10;
+	
+	return 10;
+}
+
+static void rna_ParticleSystem_name_get(PointerRNA *ptr, char *str)
+{
+	Object *ob= ptr->id.data;
+	ParticleSystem *psys= ptr->data;
+	int index= BLI_findindex(&ob->particlesystem, psys);
+
+	sprintf(str, "%d: ", index+1);
+
+	if(psys->part)
+		strcat(str, psys->part->id.name+2);
+}
+
 #else
 
 static void rna_def_particle_hair_key(BlenderRNA *brna)
@@ -1176,6 +1201,13 @@ static void rna_def_particle_system(BlenderRNA *brna)
 
 	srna= RNA_def_struct(brna, "ParticleSystem", NULL);
 	RNA_def_struct_ui_text(srna, "Particle System", "Particle system in an object.");
+	RNA_def_struct_ui_icon(srna, ICON_PARTICLE_DATA);
+
+	prop= RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
+	RNA_def_property_string_funcs(prop, "rna_ParticleSystem_name_get", "rna_ParticleSystem_name_length", NULL);
+	RNA_def_property_ui_text(prop, "Name", "Particle system name.");
+	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
+	RNA_def_struct_name_property(srna, prop);
 
 	prop= RNA_def_property(srna, "settings", PROP_POINTER, PROP_NEVER_NULL);
 	RNA_def_property_pointer_sdna(prop, NULL, "part");

source/blender/makesrna/intern/rna_texture.c

@@ -23,6 +23,7 @@
  */
 
 #include <float.h>
+#include <stdio.h>
 #include <stdlib.h>
 
 #include "RNA_define.h"
@@ -30,8 +31,11 @@
 
 #include "rna_internal.h"
 
+#include "DNA_brush_types.h"
+#include "DNA_lamp_types.h"
 #include "DNA_material_types.h"
 #include "DNA_texture_types.h"
+#include "DNA_world_types.h"
 
 #ifdef RNA_RUNTIME
 
@@ -71,6 +75,50 @@ StructRNA *rna_Texture_refine(struct PointerRNA *ptr)
 	}
 }
 
+static int rna_texture_slot_index(PointerRNA *ptr)
+{
+	ID *id= ptr->id.data;
+	MTex **mtex;
+	int a;
+
+	if(id) {
+		switch(GS(id->name)) {
+			case ID_MA: mtex= ((Material*)id)->mtex; break;
+			case ID_WO: mtex= ((World*)id)->mtex; break;
+			case ID_LA: mtex= ((Lamp*)id)->mtex; break;
+			case ID_BR: mtex= ((Brush*)id)->mtex; break;
+			default: return 0;
+		}
+
+		for(a=0; a<MAX_MTEX; a++)
+			if(mtex[a] == ptr->data)
+				return a;
+	}
+
+	return 0;
+}
+
+static int rna_TextureSlot_name_length(PointerRNA *ptr)
+{
+	MTex *mtex= ptr->data;
+
+	if(mtex->tex)
+		return strlen(mtex->tex->id.name+2) + 10;
+	
+	return 10;
+}
+
+static void rna_TextureSlot_name_get(PointerRNA *ptr, char *str)
+{
+	MTex *mtex= ptr->data;
+	int index= rna_texture_slot_index(ptr);
+
+	sprintf(str, "%d: ", index+1);
+
+	if(mtex->tex)
+		strcat(str, mtex->tex->id.name+2);
+}
+
 #else
 
 static void rna_def_color_ramp_element(BlenderRNA *brna)
@@ -190,6 +238,12 @@ static void rna_def_mtex(BlenderRNA *brna)
 	RNA_def_property_flag(prop, PROP_EDITABLE);
 	RNA_def_property_ui_text(prop, "Texture", "Texture datablock used by this texture slot.");
 
+	prop= RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
+	RNA_def_property_string_funcs(prop, "rna_TextureSlot_name_get", "rna_TextureSlot_name_length", NULL);
+	RNA_def_property_ui_text(prop, "Name", "Texture slot name.");
+	RNA_def_property_clear_flag(prop, PROP_EDITABLE);
+	RNA_def_struct_name_property(srna, prop);
+
 	/* mapping */
 	prop= RNA_def_property(srna, "offset", PROP_FLOAT, PROP_VECTOR);
 	RNA_def_property_float_sdna(prop, NULL, "ofs");