[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [37603] branches/soc-2011-pepper/source/ blender/collada: creating armatures for bones which are not skinned( in progress )
Sukhitha Jayathilake
pr.jayathilake at gmail.com
Fri Jun 17 20:41:43 CEST 2011
Revision: 37603
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=37603
Author: phabtar
Date: 2011-06-17 18:41:43 +0000 (Fri, 17 Jun 2011)
Log Message:
-----------
creating armatures for bones which are not skinned( in progress )
Modified Paths:
--------------
branches/soc-2011-pepper/source/blender/collada/ArmatureImporter.cpp
branches/soc-2011-pepper/source/blender/collada/ArmatureImporter.h
branches/soc-2011-pepper/source/blender/collada/SkinInfo.cpp
Modified: branches/soc-2011-pepper/source/blender/collada/ArmatureImporter.cpp
===================================================================
--- branches/soc-2011-pepper/source/blender/collada/ArmatureImporter.cpp 2011-06-17 18:04:56 UTC (rev 37602)
+++ branches/soc-2011-pepper/source/blender/collada/ArmatureImporter.cpp 2011-06-17 18:41:43 UTC (rev 37603)
@@ -78,7 +78,68 @@
return &joint_index_to_joint_info_map[joint_index];
}
#endif
+void ArmatureImporter::create_unskinned_bone( COLLADAFW::Node *node, EditBone *parent, int totchild,
+ float parent_mat[][4], bArmature *arm)
+{
+ float mat[4][4];
+ float obmat[4][4];
+ // object-space
+ get_node_mat(obmat, node, NULL, NULL);
+
+ // get world-space
+ if (parent)
+ mul_m4_m4m4(mat, obmat, parent_mat);
+ else
+ copy_m4_m4(mat, obmat);
+
+ EditBone *bone = ED_armature_edit_bone_add(arm, (char*)bc_get_joint_name(node));
+ totbone++;
+
+ if (parent) bone->parent = parent;
+
+ // set head
+ copy_v3_v3(bone->head, mat[3]);
+
+ // set tail, don't set it to head because 0-length bones are not allowed
+ float vec[3] = {0.0f, 0.5f, 0.0f};
+ add_v3_v3v3(bone->tail, bone->head, vec);
+
+ // set parent tail
+ if (parent && totchild == 1) {
+ copy_v3_v3(parent->tail, bone->head);
+
+ // not setting BONE_CONNECTED because this would lock child bone location with respect to parent
+ // bone->flag |= BONE_CONNECTED;
+
+ // XXX increase this to prevent "very" small bones?
+ const float epsilon = 0.000001f;
+
+ // derive leaf bone length
+ float length = len_v3v3(parent->head, parent->tail);
+ if ((length < leaf_bone_length || totbone == 0) && length > epsilon) {
+ leaf_bone_length = length;
+ }
+
+ // treat zero-sized bone like a leaf bone
+ if (length <= epsilon) {
+ add_leaf_bone(parent_mat, parent);
+ }
+
+ }
+
+ COLLADAFW::NodePointerArray& children = node->getChildNodes();
+ for (unsigned int i = 0; i < children.getCount(); i++) {
+ create_unskinned_bone( children[i], bone, children.getCount(), mat, arm);
+ }
+
+ // in second case it's not a leaf bone, but we handle it the same way
+ if (!children.getCount() || children.getCount() > 1) {
+ add_leaf_bone(mat, bone);
+ }
+
+}
+
void ArmatureImporter::create_bone(SkinInfo& skin, COLLADAFW::Node *node, EditBone *parent, int totchild,
float parent_mat[][4], bArmature *arm)
{
@@ -300,7 +361,31 @@
return armature_joints.back();
}
#endif
+void ArmatureImporter::create_armature_bones( )
+{
+ std::vector<COLLADAFW::Node*>::iterator ri;
+ //if there is an armature created for root_joint next root_joint
+ for (ri = root_joints.begin(); ri != root_joints.end(); ri++) {
+ if ( get_armature_for_joint(*ri) != NULL ) continue;
+
+ //add armature object for current joint
+ Object *ob_arm = add_object(scene, OB_ARMATURE);
+ ED_armature_to_edit(ob_arm);
+
+ // min_angle = 360.0f; // minimum angle between bone head-tail and a row of bone matrix
+
+ // create unskinned bones
+ /*
+ TODO:
+ check if bones have already been created for a given joint
+ */
+
+ create_unskinned_bone(*ri, NULL, (*ri)->getChildNodes().getCount(), NULL, (bArmature*)ob_arm->data);
+
+ }
+}
+
void ArmatureImporter::create_armature_bones(SkinInfo& skin)
{
// just do like so:
@@ -373,7 +458,7 @@
if (shared)
ob_arm = skin.set_armature(shared);
else
- ob_arm = skin.create_armature(scene);
+ ob_arm = skin.create_armature(scene); //once for every armature
// enter armature edit mode
ED_armature_to_edit(ob_arm);
@@ -413,7 +498,7 @@
DAG_id_tag_update(&ob_arm->id, OB_RECALC_OB|OB_RECALC_DATA);
// set_leaf_bone_shapes(ob_arm);
- // set_euler_rotmode();
+ // set_euler_rotmode();
}
@@ -472,6 +557,11 @@
// free memory stolen from SkinControllerData
skin.free();
}
+
+ //if skin_by_data_uid is empty
+ if( skin_by_data_uid.empty() )
+ create_armature_bones();
+
}
#if 0
Modified: branches/soc-2011-pepper/source/blender/collada/ArmatureImporter.h
===================================================================
--- branches/soc-2011-pepper/source/blender/collada/ArmatureImporter.h 2011-06-17 18:04:56 UTC (rev 37602)
+++ branches/soc-2011-pepper/source/blender/collada/ArmatureImporter.h 2011-06-17 18:41:43 UTC (rev 37603)
@@ -105,6 +105,9 @@
void create_bone(SkinInfo& skin, COLLADAFW::Node *node, EditBone *parent, int totchild,
float parent_mat[][4], bArmature *arm);
+ void create_unskinned_bone(COLLADAFW::Node *node, EditBone *parent, int totchild,
+ float parent_mat[][4], bArmature *arm);
+
void add_leaf_bone(float mat[][4], EditBone *bone);
void fix_leaf_bones();
@@ -123,6 +126,7 @@
#endif
void create_armature_bones(SkinInfo& skin);
+ void create_armature_bones( );
public:
Modified: branches/soc-2011-pepper/source/blender/collada/SkinInfo.cpp
===================================================================
--- branches/soc-2011-pepper/source/blender/collada/SkinInfo.cpp 2011-06-17 18:04:56 UTC (rev 37602)
+++ branches/soc-2011-pepper/source/blender/collada/SkinInfo.cpp 2011-06-17 18:41:43 UTC (rev 37603)
@@ -308,11 +308,15 @@
std::vector<COLLADAFW::Node*>& result)
{
std::vector<COLLADAFW::Node*>::const_iterator it;
+ // for each root_joint
for (it = root_joints.begin(); it != root_joints.end(); it++) {
COLLADAFW::Node *root = *it;
std::vector<JointData>::iterator ji;
+ //for each joint_data in this skin
for (ji = joint_data.begin(); ji != joint_data.end(); ji++) {
+ //get joint node from joint map
COLLADAFW::Node *joint = joint_by_uid[(*ji).joint_uid];
+ //find if joint node is in the tree belonging to the root_joint
if (find_node_in_tree(joint, root)) {
if (std::find(result.begin(), result.end(), root) == result.end())
result.push_back(root);
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