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3D View: empty image option to show front/back 

Only back was possible.
This commit is contained in:
Campbell Barton 2018-12-17 14:49:16 +11:00
parent 365ef09815
commit 21c1c3c59c
5 changed files with 25 additions and 8 deletions
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2
release/scripts/startup/bl_operators/object.py
View File

@ -927,7 +927,7 @@ class LoadBackgroundImage(LoadImageAsEmpty, Operator):
def set_settings(self, context, obj):
obj.empty_image_depth = 'BACK'
obj.show_empty_image_back = False
obj.empty_image_side = 'FRONT'
if context.space_data.type == 'VIEW_3D':
if not context.space_data.region_3d.is_perspective:

2
release/scripts/startup/bl_ui/properties_data_empty.py
View File

@ -56,9 +56,9 @@ class DATA_PT_empty(DataButtonsPanel, Panel):
col = layout.column()
col.row().prop(ob, "empty_image_depth", text="Depth", expand=True)
col.row().prop(ob, "empty_image_side", text="Side", expand=True)
col.prop(ob, "show_empty_image_orthographic", text="Display Orthographic")
col.prop(ob, "show_empty_image_perspective", text="Display Perspective")
col.prop(ob, "show_empty_image_back", text="Display Back")
classes = (

15
source/blender/blenkernel/intern/object.c
View File

@ -2672,9 +2672,18 @@ bool BKE_object_empty_image_is_visible_in_view3d(const Object *ob, const RegionV
{
char visibility_flag = ob->empty_image_visibility_flag;
if ((visibility_flag & OB_EMPTY_IMAGE_HIDE_BACK) != 0) {
if (dot_v3v3((float *)&ob->obmat[2], (float *)&rv3d->viewinv[2]) < 0.0f) {
return false;
if ((visibility_flag & (OB_EMPTY_IMAGE_HIDE_BACK | OB_EMPTY_IMAGE_HIDE_FRONT)) != 0) {
/* TODO: this isn't correct with perspective projection. */
const float dot = dot_v3v3((float *)&ob->obmat[2], (float *)&rv3d->viewinv[2]);
if (visibility_flag & OB_EMPTY_IMAGE_HIDE_BACK) {
if (dot < 0.0f) {
return false;
}
}
if (visibility_flag & OB_EMPTY_IMAGE_HIDE_FRONT) {
if (dot > 0.0f) {
return false;
}
}
}

1
source/blender/makesdna/DNA_object_types.h
View File

@ -614,6 +614,7 @@ enum {
OB_EMPTY_IMAGE_HIDE_PERSPECTIVE = 1 << 0,
OB_EMPTY_IMAGE_HIDE_ORTHOGRAPHIC = 1 << 1,
OB_EMPTY_IMAGE_HIDE_BACK = 1 << 2,
OB_EMPTY_IMAGE_HIDE_FRONT = 1 << 3,
};
#define MAX_DUPLI_RECUR 8

13
source/blender/makesrna/intern/rna_object.c
View File

@ -2511,9 +2511,16 @@ static void rna_def_object(BlenderRNA *brna)
RNA_def_property_ui_text(prop, "Display in Orthographic Mode", "Display image in orthographic mode");
RNA_def_property_update(prop, NC_OBJECT | ND_DRAW, NULL);
prop = RNA_def_property(srna, "show_empty_image_back", PROP_BOOLEAN, PROP_NONE);
RNA_def_property_boolean_negative_sdna(prop, NULL, "empty_image_visibility_flag", OB_EMPTY_IMAGE_HIDE_BACK);
RNA_def_property_ui_text(prop, "Display Back Side", "Display empty image even when viewed from the back");
static EnumPropertyItem prop_empty_image_side_items[] = {
{0, "DOUBLE_SIDED", 0, "Both", ""},
{OB_EMPTY_IMAGE_HIDE_BACK, "FRONT", 0, "Front", ""},
{OB_EMPTY_IMAGE_HIDE_FRONT, "BACK", 0, "Back", ""},
{0, NULL, 0, NULL, NULL}
};
prop = RNA_def_property(srna, "empty_image_side", PROP_ENUM, PROP_NONE);
RNA_def_property_enum_bitflag_sdna(prop, NULL, "empty_image_visibility_flag");
RNA_def_property_enum_items(prop, prop_empty_image_side_items);
RNA_def_property_ui_text(prop, "Empty Image Side", "Show front/back side");
RNA_def_property_update(prop, NC_OBJECT | ND_DRAW, NULL);
/* render */