Cycles: change Ambient Occlusion shader to output colors.

This means the shader can now be used for procedural texturing. New
settings on the node are Samples, Inside, Local Only and Distance.

Original patch by Lukas with further changes by Brecht.

Differential Revision: https://developer.blender.org/D3479

1 files changed, 21 insertions, 0 deletions

diff --git a/source/blender/makesrna/intern/rna_nodetree.c b/source/blender/makesrna/intern/rna_nodetree.c
index 9bb5117cba3..1c7875873c2 100644
--- a/source/blender/makesrna/intern/rna_nodetree.c
+++ b/source/blender/makesrna/intern/rna_nodetree.c
@@ -4484,6 +4484,27 @@ static void def_sh_bevel(StructRNA *srna)
 	RNA_def_property_update(prop, 0, "rna_Node_update");
 }
 
+static void def_sh_ambient_occlusion(StructRNA *srna)
+{
+	PropertyRNA *prop;
+
+	prop = RNA_def_property(srna, "samples", PROP_INT, PROP_UNSIGNED);
+	RNA_def_property_int_sdna(prop, NULL, "custom1");
+	RNA_def_property_range(prop, 1, 128);
+	RNA_def_property_ui_text(prop, "Samples", "Number of rays to trace per shader evaluation");
+	RNA_def_property_update(prop, 0, "rna_Node_update");
+
+	prop = RNA_def_property(srna, "inside", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "custom2", SHD_AO_INSIDE);
+	RNA_def_property_ui_text(prop, "Inside", "Trace rays towards the inside of the object");
+	RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
+
+	prop = RNA_def_property(srna, "only_local", PROP_BOOLEAN, PROP_NONE);
+	RNA_def_property_boolean_sdna(prop, NULL, "custom2", SHD_AO_LOCAL);
+	RNA_def_property_ui_text(prop, "Only Local", "Only consider the object itself when computing AO");
+	RNA_def_property_update(prop, NC_NODE | NA_EDITED, "rna_Node_update");
+}
+
 static void def_sh_subsurface(StructRNA *srna)
 {
 	static const EnumPropertyItem prop_subsurface_falloff_items[] = {