RNA: make mechanism used by operators to keep python instance alive more generic, to be used by render engine later.

9 files changed, 29 insertions, 9 deletions

diff --git a/source/blender/makesrna/intern/makesrna.c b/source/blender/makesrna/intern/makesrna.c
index 97d0f535a5b..b56019fd32f 100644
--- a/source/blender/makesrna/intern/makesrna.c
+++ b/source/blender/makesrna/intern/makesrna.c
@@ -2337,6 +2337,7 @@ static void rna_generate_struct(BlenderRNA *brna, StructRNA *srna, FILE *f)
 	fprintf(f, "\t%s,\n", rna_function_string(srna->path));
 	fprintf(f, "\t%s,\n", rna_function_string(srna->reg));
 	fprintf(f, "\t%s,\n", rna_function_string(srna->unreg));
+	fprintf(f, "\t%s,\n", rna_function_string(srna->instance));
 	fprintf(f, "\t%s,\n", rna_function_string(srna->idproperties));
 
 	if(srna->reg && !srna->refine) {
diff --git a/source/blender/makesrna/intern/rna_ID.c b/source/blender/makesrna/intern/rna_ID.c
index 90edbaaadf0..46ad059ca02 100644
--- a/source/blender/makesrna/intern/rna_ID.c
+++ b/source/blender/makesrna/intern/rna_ID.c
@@ -384,7 +384,7 @@ static void rna_def_ID_properties(BlenderRNA *brna)
 	RNA_def_struct_sdna(srna, "IDPropertyGroup");
 	RNA_def_struct_ui_text(srna, "ID Property Group", "Group of ID properties");
 	RNA_def_struct_idprops_func(srna, "rna_PropertyGroup_idprops");
-	RNA_def_struct_register_funcs(srna, "rna_PropertyGroup_register", "rna_PropertyGroup_unregister");
+	RNA_def_struct_register_funcs(srna, "rna_PropertyGroup_register", "rna_PropertyGroup_unregister", NULL);
 	RNA_def_struct_refine_func(srna, "rna_PropertyGroup_refine");
 
 	/* important so python types can have their name used in list views
diff --git a/source/blender/makesrna/intern/rna_access.c b/source/blender/makesrna/intern/rna_access.c
index 36694e1adc1..ff54ac6254f 100644
--- a/source/blender/makesrna/intern/rna_access.c
+++ b/source/blender/makesrna/intern/rna_access.c
@@ -681,6 +681,18 @@ StructUnregisterFunc RNA_struct_unregister(StructRNA *type)
 	return NULL;
 }
 
+void **RNA_struct_instance(PointerRNA *ptr)
+{
+	StructRNA *type= ptr->type;
+
+	do {
+		if(type->instance)
+			return type->instance(ptr);
+	} while((type=type->base));
+
+	return NULL;
+}
+
 void *RNA_struct_py_type_get(StructRNA *srna)
 {
 	return srna->py_type;
diff --git a/source/blender/makesrna/intern/rna_animation.c b/source/blender/makesrna/intern/rna_animation.c
index d60dc34fea2..7f817aa5b4b 100644
--- a/source/blender/makesrna/intern/rna_animation.c
+++ b/source/blender/makesrna/intern/rna_animation.c
@@ -509,7 +509,7 @@ static void rna_def_keyingset_info(BlenderRNA *brna)
 	RNA_def_struct_sdna(srna, "KeyingSetInfo");
 	RNA_def_struct_ui_text(srna, "Keying Set Info", "Callback function defines for builtin Keying Sets");
 	RNA_def_struct_refine_func(srna, "rna_KeyingSetInfo_refine");
-	RNA_def_struct_register_funcs(srna, "rna_KeyingSetInfo_register", "rna_KeyingSetInfo_unregister");
+	RNA_def_struct_register_funcs(srna, "rna_KeyingSetInfo_register", "rna_KeyingSetInfo_unregister", NULL);
 	
 	/* Properties --------------------- */
 	
diff --git a/source/blender/makesrna/intern/rna_define.c b/source/blender/makesrna/intern/rna_define.c
index 3afec03a13f..d66f0042d88 100644
--- a/source/blender/makesrna/intern/rna_define.c
+++ b/source/blender/makesrna/intern/rna_define.c
@@ -813,7 +813,7 @@ void RNA_def_struct_idprops_func(StructRNA *srna, const char *idproperties)
 	if(idproperties) srna->idproperties= (IDPropertiesFunc)idproperties;
 }
 
-void RNA_def_struct_register_funcs(StructRNA *srna, const char *reg, const char *unreg)
+void RNA_def_struct_register_funcs(StructRNA *srna, const char *reg, const char *unreg, const char *instance)
 {
 	if(!DefRNA.preprocess) {
 		fprintf(stderr, "RNA_def_struct_register_funcs: only during preprocessing.\n");
@@ -822,6 +822,7 @@ void RNA_def_struct_register_funcs(StructRNA *srna, const char *reg, const char
 
 	if(reg) srna->reg= (StructRegisterFunc)reg;
 	if(unreg) srna->unreg= (StructUnregisterFunc)unreg;
+	if(instance) srna->instance= (StructInstanceFunc)instance;
 }
 
 void RNA_def_struct_path_func(StructRNA *srna, const char *path)
diff --git a/source/blender/makesrna/intern/rna_internal_types.h b/source/blender/makesrna/intern/rna_internal_types.h
index eb1beb90567..a59db183453 100644
--- a/source/blender/makesrna/intern/rna_internal_types.h
+++ b/source/blender/makesrna/intern/rna_internal_types.h
@@ -330,6 +330,7 @@ struct StructRNA {
 	/* function to register/unregister subclasses */
 	StructRegisterFunc reg; 
 	StructUnregisterFunc unreg; 
+	StructInstanceFunc instance;
 
 	/* callback to get id properties */
 	IDPropertiesFunc idproperties;
diff --git a/source/blender/makesrna/intern/rna_render.c b/source/blender/makesrna/intern/rna_render.c
index 88722a1d305..da2704ab641 100644
--- a/source/blender/makesrna/intern/rna_render.c
+++ b/source/blender/makesrna/intern/rna_render.c
@@ -233,7 +233,7 @@ static void rna_def_render_engine(BlenderRNA *brna)
 	RNA_def_struct_sdna(srna, "RenderEngine");
 	RNA_def_struct_ui_text(srna, "Render Engine", "Render engine");
 	RNA_def_struct_refine_func(srna, "rna_RenderEngine_refine");
-	RNA_def_struct_register_funcs(srna, "rna_RenderEngine_register", "rna_RenderEngine_unregister");
+	RNA_def_struct_register_funcs(srna, "rna_RenderEngine_register", "rna_RenderEngine_unregister", NULL);
 
 	/* render */
 	func= RNA_def_function(srna, "render", NULL);
diff --git a/source/blender/makesrna/intern/rna_ui.c b/source/blender/makesrna/intern/rna_ui.c
index 5fe4d21c1ae..13c7ac238a3 100644
--- a/source/blender/makesrna/intern/rna_ui.c
+++ b/source/blender/makesrna/intern/rna_ui.c
@@ -611,7 +611,7 @@ static void rna_def_panel(BlenderRNA *brna)
 	RNA_def_struct_ui_text(srna, "Panel", "Panel containing UI elements");
 	RNA_def_struct_sdna(srna, "Panel");
 	RNA_def_struct_refine_func(srna, "rna_Panel_refine");
-	RNA_def_struct_register_funcs(srna, "rna_Panel_register", "rna_Panel_unregister");
+	RNA_def_struct_register_funcs(srna, "rna_Panel_register", "rna_Panel_unregister", NULL);
 
 	/* poll */
 	func= RNA_def_function(srna, "poll", NULL);
@@ -688,7 +688,7 @@ static void rna_def_header(BlenderRNA *brna)
 	RNA_def_struct_ui_text(srna, "Header", "Editor header containing UI elements.");
 	RNA_def_struct_sdna(srna, "Header");
 	RNA_def_struct_refine_func(srna, "rna_Header_refine");
-	RNA_def_struct_register_funcs(srna, "rna_Header_register", "rna_Header_unregister");
+	RNA_def_struct_register_funcs(srna, "rna_Header_register", "rna_Header_unregister", NULL);
 
 	/* draw */
 	func= RNA_def_function(srna, "draw", NULL);
@@ -730,7 +730,7 @@ static void rna_def_menu(BlenderRNA *brna)
 	RNA_def_struct_ui_text(srna, "Menu", "Editor menu containing buttons");
 	RNA_def_struct_sdna(srna, "Menu");
 	RNA_def_struct_refine_func(srna, "rna_Menu_refine");
-	RNA_def_struct_register_funcs(srna, "rna_Menu_register", "rna_Menu_unregister");
+	RNA_def_struct_register_funcs(srna, "rna_Menu_register", "rna_Menu_unregister", NULL);
 
 	/* poll */
 	func= RNA_def_function(srna, "poll", NULL);
diff --git a/source/blender/makesrna/intern/rna_wm.c b/source/blender/makesrna/intern/rna_wm.c
index b6d22def81e..e8b127b68bb 100644
--- a/source/blender/makesrna/intern/rna_wm.c
+++ b/source/blender/makesrna/intern/rna_wm.c
@@ -961,6 +961,11 @@ static StructRNA *rna_Operator_register(Main *bmain, ReportList *reports, void *
 	return dummyot.ext.srna;
 }
 
+void **rna_Operator_instance(PointerRNA *ptr)
+{
+	wmOperator *op = ptr->data;
+	return &op->py_instance;
+}
 
 static StructRNA *rna_MacroOperator_register(Main *bmain, ReportList *reports, void *data, const char *identifier, StructValidateFunc validate, StructCallbackFunc call, StructFreeFunc free)
 {
@@ -1160,7 +1165,7 @@ static void rna_def_operator(BlenderRNA *brna)
 	RNA_def_struct_sdna(srna, "wmOperator");
 	RNA_def_struct_refine_func(srna, "rna_Operator_refine");
 #ifdef WITH_PYTHON
-	RNA_def_struct_register_funcs(srna, "rna_Operator_register", "rna_Operator_unregister");
+	RNA_def_struct_register_funcs(srna, "rna_Operator_register", "rna_Operator_unregister", "rna_Operator_instance");
 #endif
 
 	prop= RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);
@@ -1229,7 +1234,7 @@ static void rna_def_macro_operator(BlenderRNA *brna)
 	RNA_def_struct_sdna(srna, "wmOperator");
 	RNA_def_struct_refine_func(srna, "rna_MacroOperator_refine");
 #ifdef WITH_PYTHON
-	RNA_def_struct_register_funcs(srna, "rna_MacroOperator_register", "rna_Operator_unregister");
+	RNA_def_struct_register_funcs(srna, "rna_MacroOperator_register", "rna_Operator_unregister", "rna_Operator_instance");
 #endif
 
 	prop= RNA_def_property(srna, "name", PROP_STRING, PROP_NONE);