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Image Empties: Option to not display the backside of image empties

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Reviewers: brecht

Differential Revision: https://developer.blender.org/D3964
This commit is contained in:
Jacques Lucke
2018-11-19 19:33:09 +01:00
parent 99d9d3dbce
commit 5f21030a81
8 changed files with 38 additions and 29 deletions
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8
release/scripts/startup/bl_ui/properties_data_empty.py
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@@ -54,9 +54,11 @@ class DATA_PT_empty(DataButtonsPanel, Panel):
col.prop(ob, "empty_image_offset", text="Offset X", index=0)
col.prop(ob, "empty_image_offset", text="Y", index=1)
layout.prop(ob, "empty_image_depth", text="Depth", expand=True)
layout.prop(ob, "show_empty_image_orthographic", text="Display Orthographic")
layout.prop(ob, "show_empty_image_perspective", text="Display Perspective")
col = layout.column()
col.row().prop(ob, "empty_image_depth", text="Depth", 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_backside", text="Display Backside")
classes = (

3
source/blender/blenkernel/BKE_object.h
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@@ -53,6 +53,7 @@ struct RigidBodyWorld;
struct HookModifierData;
struct ModifierData;
struct HookGpencilModifierData;
struct RegionView3D;
#include "DNA_object_enums.h"
@@ -342,6 +343,8 @@ bool BKE_object_modifier_update_subframe(
struct Depsgraph *depsgraph, struct Scene *scene, struct Object *ob,
bool update_mesh, int parent_recursion, float frame, int type);
bool BKE_image_empty_visible_in_view3d(const struct Object *ob, const struct RegionView3D *rv3d);
#ifdef __cplusplus
}
#endif

21
source/blender/blenkernel/intern/object.c
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@@ -835,7 +835,8 @@ void BKE_object_init(Object *ob)
ob->empty_image_depth = OB_EMPTY_IMAGE_DEPTH_DEFAULT;
ob->empty_image_visibility_flag = (
OB_EMPTY_IMAGE_VISIBLE_PERSPECTIVE |
OB_EMPTY_IMAGE_VISIBLE_ORTHOGRAPHIC);
OB_EMPTY_IMAGE_VISIBLE_ORTHOGRAPHIC |
OB_EMPTY_IMAGE_VISIBLE_BACKSIDE);
if (ob->type == OB_EMPTY) {
copy_v2_fl(ob->ima_ofs, -0.5f);
}
@@ -4079,3 +4080,21 @@ bool BKE_object_modifier_update_subframe(
return false;
}
bool BKE_image_empty_visible_in_view3d(const Object *ob, const RegionView3D *rv3d)
{
int visibility_flag = ob->empty_image_visibility_flag;
if ((visibility_flag & OB_EMPTY_IMAGE_VISIBLE_BACKSIDE) == 0) {
if (dot_v3v3((float *)&ob->obmat[2], (float *)&rv3d->viewinv[2]) < 0.0f) {
return false;
}
}
if (rv3d->is_persp) {
return visibility_flag & OB_EMPTY_IMAGE_VISIBLE_PERSPECTIVE;
}
else {
return visibility_flag & OB_EMPTY_IMAGE_VISIBLE_ORTHOGRAPHIC;
}
}

3
source/blender/blenloader/intern/versioning_280.c
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@@ -2235,7 +2235,8 @@ void blo_do_versions_280(FileData *fd, Library *UNUSED(lib), Main *bmain)
for (Object *ob = bmain->object.first; ob; ob = ob->id.next) {
ob->empty_image_visibility_flag = (
OB_EMPTY_IMAGE_VISIBLE_PERSPECTIVE |
OB_EMPTY_IMAGE_VISIBLE_ORTHOGRAPHIC);
OB_EMPTY_IMAGE_VISIBLE_ORTHOGRAPHIC |
OB_EMPTY_IMAGE_VISIBLE_BACKSIDE);
}

13
source/blender/draw/modes/object_mode.c
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@@ -856,17 +856,6 @@ static void image_calc_aspect(Image *ima, ImageUser *iuser, float r_image_aspect
}
}
static bool is_image_empty_visible(Object *ob, RegionView3D *rv3d)
{
int visibility_flag = ob->empty_image_visibility_flag;
if (rv3d->is_persp) {
return visibility_flag & OB_EMPTY_IMAGE_VISIBLE_PERSPECTIVE;
}
else {
return visibility_flag & OB_EMPTY_IMAGE_VISIBLE_ORTHOGRAPHIC;
}
}
/* per-image shading groups for image-type empty objects */
struct EmptyImageShadingGroupData {
DRWShadingGroup *shgrp_image;
@@ -879,7 +868,7 @@ static void DRW_shgroup_empty_image(
{
/* TODO: 'StereoViews', see draw_empty_image. */
if (!is_image_empty_visible(ob, rv3d)) return;
if (!BKE_image_empty_visible_in_view3d(ob, rv3d)) return;
if (sgl->image_plane_map == NULL) {
sgl->image_plane_map = BLI_ghash_ptr_new(__func__);

13
source/blender/editors/space_view3d/view3d_gizmo_empty.c
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@@ -107,17 +107,6 @@ static void gizmo_empty_image_prop_matrix_set(
ob->ima_ofs[1] = (matrix[3][1] - (0.5f * dims[1])) / dims[1];
}
static bool is_image_empty_visible(Object *ob, RegionView3D *rv3d)
{
int visibility_flag = ob->empty_image_visibility_flag;
if (rv3d->is_persp) {
return visibility_flag & OB_EMPTY_IMAGE_VISIBLE_PERSPECTIVE;
}
else {
return visibility_flag & OB_EMPTY_IMAGE_VISIBLE_ORTHOGRAPHIC;
}
}
static bool WIDGETGROUP_empty_image_poll(const bContext *C, wmGizmoGroupType *UNUSED(gzgt))
{
View3D *v3d = CTX_wm_view3d(C);
@@ -133,7 +122,7 @@ static bool WIDGETGROUP_empty_image_poll(const bContext *C, wmGizmoGroupType *UN
if (ob && ob->type == OB_EMPTY) {
if (ob->empty_drawtype == OB_EMPTY_IMAGE) {
return is_image_empty_visible(ob, rv3d);
return BKE_image_empty_visible_in_view3d(ob, rv3d);
}
}
return false;

1
source/blender/makesdna/DNA_object_types.h
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@@ -608,6 +608,7 @@ enum {
enum {
OB_EMPTY_IMAGE_VISIBLE_PERSPECTIVE = 1 << 0,
OB_EMPTY_IMAGE_VISIBLE_ORTHOGRAPHIC = 1 << 1,
OB_EMPTY_IMAGE_VISIBLE_BACKSIDE = 1 << 2,
};
#define MAX_DUPLI_RECUR 8

5
source/blender/makesrna/intern/rna_object.c
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@@ -2510,6 +2510,11 @@ 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_backside", PROP_BOOLEAN, PROP_NONE);
RNA_def_property_boolean_sdna(prop, NULL, "empty_image_visibility_flag", OB_EMPTY_IMAGE_VISIBLE_BACKSIDE);
RNA_def_property_ui_text(prop, "Display Back Side", "Display empty image even when viewed from the back");
RNA_def_property_update(prop, NC_OBJECT | ND_DRAW, NULL);
/* render */
prop = RNA_def_property(srna, "pass_index", PROP_INT, PROP_UNSIGNED);
RNA_def_property_int_sdna(prop, NULL, "index");