From 2e70d5cb980ef2fda6d3bd7e89ed942f3f4b9c59 Mon Sep 17 00:00:00 2001
From: Damien Picard <pioverfour>
Date: Fri, 15 Jul 2022 13:30:57 +0200
Subject: Render: camera depth of field support for armature bone targets

This is useful when using an armature as a camera rig, to avoid creating and
targetting an empty object.

Differential Revision: https://developer.blender.org/D7012
---
 source/blender/blenkernel/intern/camera.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'source/blender/blenkernel/intern/camera.c')

diff --git a/source/blender/blenkernel/intern/camera.c b/source/blender/blenkernel/intern/camera.c
index 7cfac0cb75a..2e6439f7e1a 100644
--- a/source/blender/blenkernel/intern/camera.c
+++ b/source/blender/blenkernel/intern/camera.c
@@ -26,6 +26,7 @@
 #include "BLI_utildefines.h"
 
 #include "BKE_anim_data.h"
+#include "BKE_action.h"
 #include "BKE_camera.h"
 #include "BKE_idtype.h"
 #include "BKE_layer.h"
@@ -221,7 +222,15 @@ float BKE_camera_object_dof_distance(const Object *ob)
   if (cam->dof.focus_object) {
     float view_dir[3], dof_dir[3];
     normalize_v3_v3(view_dir, ob->obmat[2]);
-    sub_v3_v3v3(dof_dir, ob->obmat[3], cam->dof.focus_object->obmat[3]);
+    bPoseChannel *pchan = BKE_pose_channel_find_name(cam->dof.focus_object->pose, cam->dof.focus_subtarget);
+    if (pchan) {
+      float posemat[4][4];
+      mul_m4_m4m4(posemat, cam->dof.focus_object->obmat, pchan->pose_mat);
+      sub_v3_v3v3(dof_dir, ob->obmat[3], posemat[3]);
+    }
+    else {
+      sub_v3_v3v3(dof_dir, ob->obmat[3], cam->dof.focus_object->obmat[3]);
+    }
     return fabsf(dot_v3v3(view_dir, dof_dir));
   }
   return cam->dof.focus_distance;
-- 
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