change curve evaluation functions never to modify curve data (ensures thread safety), now initializations has to be done outside evaluation.

1 files changed, 7 insertions, 1 deletions

diff --git a/source/blender/makesrna/intern/rna_color.c b/source/blender/makesrna/intern/rna_color.c
index 5dafe77f9c1..0bd42c2f5a0 100644
--- a/source/blender/makesrna/intern/rna_color.c
+++ b/source/blender/makesrna/intern/rna_color.c
@@ -337,6 +337,12 @@ static void rna_Scopes_update(Main *UNUSED(bmain), Scene *UNUSED(scene), Pointer
 	s->ok = 0;
 }
 
+/* this function only exists because #curvemap_evaluateF uses a 'const' qualifier */
+float rna_CurveMap_evaluateF(struct CurveMap *cuma, float value)
+{
+	return curvemap_evaluateF(cuma, value);
+}
+
 #else
 
 static void rna_def_curvemappoint(BlenderRNA *brna)
@@ -419,7 +425,7 @@ static void rna_def_curvemap(BlenderRNA *brna)
 	RNA_def_property_ui_text(prop, "Points", "");
 	rna_def_curvemap_points_api(brna, prop);
 
-	func = RNA_def_function(srna, "evaluate", "curvemap_evaluateF");
+	func = RNA_def_function(srna, "evaluate", "rna_CurveMap_evaluateF");
 	RNA_def_function_ui_description(func, "Evaluate curve at given location");
 	parm = RNA_def_float(func, "position", 0.0f, -FLT_MAX, FLT_MAX, "Position", "Position to evaluate curve at", -FLT_MAX, FLT_MAX);
 	RNA_def_property_flag(parm, PROP_REQUIRED);