Improve retarget auto-mapping algorithm
This commit is contained in:
Silc Lizard (Tokage) Renew
parent
ba54c34551
commit
c1c4a09527
2 changed files with 111 additions and 75 deletions
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@ -533,6 +533,11 @@ void BoneMapper::_clear_mapping_current_group() {
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}
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#ifdef MODULE_REGEX_ENABLED
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bool BoneMapper::is_match_with_bone_name(String p_bone_name, String p_word) {
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RegEx re = RegEx(p_word);
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return !re.search(p_bone_name.to_lower()).is_null();
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}
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int BoneMapper::search_bone_by_name(Skeleton3D *p_skeleton, Vector<String> p_picklist, BoneSegregation p_segregation, int p_parent, int p_child, int p_children_count) {
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// There may be multiple candidates hit by existing the subsidiary bone.
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// The one with the shortest name is probably the original.
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@ -540,7 +545,6 @@ int BoneMapper::search_bone_by_name(Skeleton3D *p_skeleton, Vector<String> p_pic
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String shortest = "";
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for (int word_idx = 0; word_idx < p_picklist.size(); word_idx++) {
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RegEx re = RegEx(p_picklist[word_idx]);
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if (p_child == -1) {
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Vector<int> bones_to_process = p_parent == -1 ? p_skeleton->get_parentless_bones() : p_skeleton->get_bone_children(p_parent);
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while (bones_to_process.size() > 0) {
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@ -559,7 +563,7 @@ int BoneMapper::search_bone_by_name(Skeleton3D *p_skeleton, Vector<String> p_pic
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}
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String bn = skeleton->get_bone_name(idx);
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if (!re.search(bn.to_lower()).is_null() && guess_bone_segregation(bn) == p_segregation) {
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if (is_match_with_bone_name(bn, p_picklist[word_idx]) && guess_bone_segregation(bn) == p_segregation) {
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hit_list.push_back(bn);
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}
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}
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@ -584,7 +588,7 @@ int BoneMapper::search_bone_by_name(Skeleton3D *p_skeleton, Vector<String> p_pic
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}
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String bn = skeleton->get_bone_name(idx);
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if (!re.search(bn.to_lower()).is_null() && guess_bone_segregation(bn) == p_segregation) {
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if (is_match_with_bone_name(bn, p_picklist[word_idx]) && guess_bone_segregation(bn) == p_segregation) {
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hit_list.push_back(bn);
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}
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idx = skeleton->get_bone_parent(idx);
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@ -654,6 +658,7 @@ void BoneMapper::auto_mapping_process(Ref<BoneMap> &p_bone_map) {
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picklist.push_back("pelvis");
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picklist.push_back("waist");
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picklist.push_back("torso");
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picklist.push_back("spine");
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int hips = search_bone_by_name(skeleton, picklist);
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if (hips == -1) {
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WARN_PRINT("Auto Mapping couldn't guess Hips. Abort auto mapping.");
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@ -704,70 +709,7 @@ void BoneMapper::auto_mapping_process(Ref<BoneMap> &p_bone_map) {
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bone_idx = -1;
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search_path.clear();
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// 3. Guess Neck
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picklist.push_back("neck");
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picklist.push_back("head"); // For no neck model.
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picklist.push_back("face"); // Same above.
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int neck = search_bone_by_name(skeleton, picklist, BONE_SEGREGATION_NONE, hips);
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picklist.clear();
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// 4. Guess Head
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picklist.push_back("head");
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picklist.push_back("face");
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int head = search_bone_by_name(skeleton, picklist, BONE_SEGREGATION_NONE, neck);
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if (head == -1) {
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search_path = skeleton->get_bone_children(neck);
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if (search_path.size() == 1) {
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head = search_path[0]; // Maybe only one child of the Neck is Head.
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}
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}
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if (head == -1) {
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if (neck != -1) {
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head = neck; // The head animation should have more movement.
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neck = -1;
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p_bone_map->_set_skeleton_bone_name("Head", skeleton->get_bone_name(head));
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} else {
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WARN_PRINT("Auto Mapping couldn't guess Neck or Head."); // Continued for guessing on the other bones. But abort when guessing spines step.
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}
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} else {
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p_bone_map->_set_skeleton_bone_name("Neck", skeleton->get_bone_name(neck));
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p_bone_map->_set_skeleton_bone_name("Head", skeleton->get_bone_name(head));
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}
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picklist.clear();
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search_path.clear();
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int neck_or_head = neck != -1 ? neck : (head != -1 ? head : -1);
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if (neck_or_head != -1) {
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// 4-1. Guess Eyes
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picklist.push_back("eye(?!.*(brow|lash|lid))");
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bone_idx = search_bone_by_name(skeleton, picklist, BONE_SEGREGATION_LEFT, neck_or_head);
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if (bone_idx == -1) {
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WARN_PRINT("Auto Mapping couldn't guess LeftEye.");
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} else {
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p_bone_map->_set_skeleton_bone_name("LeftEye", skeleton->get_bone_name(bone_idx));
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}
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bone_idx = search_bone_by_name(skeleton, picklist, BONE_SEGREGATION_RIGHT, neck_or_head);
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if (bone_idx == -1) {
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WARN_PRINT("Auto Mapping couldn't guess RightEye.");
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} else {
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p_bone_map->_set_skeleton_bone_name("RightEye", skeleton->get_bone_name(bone_idx));
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}
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picklist.clear();
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// 4-2. Guess Jaw
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picklist.push_back("jaw");
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bone_idx = search_bone_by_name(skeleton, picklist, BONE_SEGREGATION_NONE, neck_or_head);
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if (bone_idx == -1) {
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WARN_PRINT("Auto Mapping couldn't guess Jaw.");
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} else {
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p_bone_map->_set_skeleton_bone_name("Jaw", skeleton->get_bone_name(bone_idx));
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}
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bone_idx = -1;
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picklist.clear();
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}
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// 5. Guess Foots
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// 3. Guess Foots
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picklist.push_back("foot");
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picklist.push_back("ankle");
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int left_foot = search_bone_by_name(skeleton, picklist, BONE_SEGREGATION_LEFT, hips);
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@ -784,7 +726,7 @@ void BoneMapper::auto_mapping_process(Ref<BoneMap> &p_bone_map) {
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}
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picklist.clear();
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// 5-1. Guess LowerLegs
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// 3-1. Guess LowerLegs
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picklist.push_back("(low|under).*leg");
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picklist.push_back("knee");
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picklist.push_back("shin");
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@ -810,7 +752,7 @@ void BoneMapper::auto_mapping_process(Ref<BoneMap> &p_bone_map) {
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}
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picklist.clear();
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// 5-2. Guess UpperLegs
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// 3-2. Guess UpperLegs
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picklist.push_back("up.*leg");
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picklist.push_back("thigh");
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picklist.push_back("leg");
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@ -834,7 +776,7 @@ void BoneMapper::auto_mapping_process(Ref<BoneMap> &p_bone_map) {
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bone_idx = -1;
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picklist.clear();
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// 5-3. Guess Toes
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// 3-3. Guess Toes
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picklist.push_back("toe");
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picklist.push_back("ball");
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if (left_foot != -1) {
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@ -871,7 +813,7 @@ void BoneMapper::auto_mapping_process(Ref<BoneMap> &p_bone_map) {
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bone_idx = -1;
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picklist.clear();
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// 6. Guess Hands
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// 4. Guess Hands
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picklist.push_back("hand");
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picklist.push_back("wrist");
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picklist.push_back("palm");
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@ -916,7 +858,7 @@ void BoneMapper::auto_mapping_process(Ref<BoneMap> &p_bone_map) {
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bone_idx = -1;
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picklist.clear();
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// 6-1. Guess Finger
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// 4-1. Guess Finger
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bool named_finger_is_found = false;
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LocalVector<String> fingers;
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fingers.push_back("thumb|pollex");
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@ -1106,7 +1048,7 @@ void BoneMapper::auto_mapping_process(Ref<BoneMap> &p_bone_map) {
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}
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}
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// 7. Guess Arms
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// 5. Guess Arms
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picklist.push_back("shoulder");
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picklist.push_back("clavicle");
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picklist.push_back("collar");
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@ -1124,7 +1066,7 @@ void BoneMapper::auto_mapping_process(Ref<BoneMap> &p_bone_map) {
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}
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picklist.clear();
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// 7-1. Guess LowerArms
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// 5-1. Guess LowerArms
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picklist.push_back("(low|fore).*arm");
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picklist.push_back("elbow");
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picklist.push_back("arm");
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@ -1148,7 +1090,7 @@ void BoneMapper::auto_mapping_process(Ref<BoneMap> &p_bone_map) {
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}
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picklist.clear();
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// 7-2. Guess UpperArms
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// 5-2. Guess UpperArms
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picklist.push_back("up.*arm");
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picklist.push_back("arm");
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if (left_shoulder != -1 && left_lower_arm != -1) {
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@ -1171,6 +1113,99 @@ void BoneMapper::auto_mapping_process(Ref<BoneMap> &p_bone_map) {
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bone_idx = -1;
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picklist.clear();
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// 6. Guess Neck
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picklist.push_back("neck");
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picklist.push_back("head"); // For no neck model.
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picklist.push_back("face"); // Same above.
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int neck = search_bone_by_name(skeleton, picklist, BONE_SEGREGATION_NONE, hips);
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picklist.clear();
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if (neck == -1) {
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// If it can't expect by name, search child spine of where the right and left shoulders (or hands) cross.
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int ls_idx = left_shoulder != -1 ? left_shoulder : (left_hand_or_palm != -1 ? left_hand_or_palm : -1);
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int rs_idx = right_shoulder != -1 ? right_shoulder : (right_hand_or_palm != -1 ? right_hand_or_palm : -1);
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if (ls_idx != -1 && rs_idx != -1) {
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bool detect = false;
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while (ls_idx != hips && ls_idx >= 0 && rs_idx != hips && rs_idx >= 0) {
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ls_idx = skeleton->get_bone_parent(ls_idx);
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rs_idx = skeleton->get_bone_parent(rs_idx);
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if (ls_idx == rs_idx) {
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detect = true;
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break;
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}
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}
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if (detect) {
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Vector<int> children = skeleton->get_bone_children(ls_idx);
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children.erase(ls_idx);
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children.erase(rs_idx);
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String word = "spine"; // It would be better to limit the search with "spine" because it could be mistaken with breast, wing and etc...
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for (int i = 0; children.size(); i++) {
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bone_idx = children[i];
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if (is_match_with_bone_name(skeleton->get_bone_name(bone_idx), word)) {
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neck = bone_idx;
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break;
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};
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}
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bone_idx = -1;
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}
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}
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}
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// 7. Guess Head
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picklist.push_back("head");
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picklist.push_back("face");
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int head = search_bone_by_name(skeleton, picklist, BONE_SEGREGATION_NONE, neck);
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if (head == -1) {
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search_path = skeleton->get_bone_children(neck);
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if (search_path.size() == 1) {
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head = search_path[0]; // Maybe only one child of the Neck is Head.
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}
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}
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if (head == -1) {
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if (neck != -1) {
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head = neck; // The head animation should have more movement.
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neck = -1;
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p_bone_map->_set_skeleton_bone_name("Head", skeleton->get_bone_name(head));
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} else {
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WARN_PRINT("Auto Mapping couldn't guess Neck or Head."); // Continued for guessing on the other bones. But abort when guessing spines step.
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}
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} else {
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p_bone_map->_set_skeleton_bone_name("Neck", skeleton->get_bone_name(neck));
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p_bone_map->_set_skeleton_bone_name("Head", skeleton->get_bone_name(head));
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}
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picklist.clear();
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search_path.clear();
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int neck_or_head = neck != -1 ? neck : (head != -1 ? head : -1);
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if (neck_or_head != -1) {
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// 7-1. Guess Eyes
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picklist.push_back("eye(?!.*(brow|lash|lid))");
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bone_idx = search_bone_by_name(skeleton, picklist, BONE_SEGREGATION_LEFT, neck_or_head);
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if (bone_idx == -1) {
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WARN_PRINT("Auto Mapping couldn't guess LeftEye.");
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} else {
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p_bone_map->_set_skeleton_bone_name("LeftEye", skeleton->get_bone_name(bone_idx));
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}
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bone_idx = search_bone_by_name(skeleton, picklist, BONE_SEGREGATION_RIGHT, neck_or_head);
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if (bone_idx == -1) {
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WARN_PRINT("Auto Mapping couldn't guess RightEye.");
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} else {
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p_bone_map->_set_skeleton_bone_name("RightEye", skeleton->get_bone_name(bone_idx));
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}
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picklist.clear();
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// 7-2. Guess Jaw
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picklist.push_back("jaw");
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bone_idx = search_bone_by_name(skeleton, picklist, BONE_SEGREGATION_NONE, neck_or_head);
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if (bone_idx == -1) {
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WARN_PRINT("Auto Mapping couldn't guess Jaw.");
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} else {
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p_bone_map->_set_skeleton_bone_name("Jaw", skeleton->get_bone_name(bone_idx));
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}
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bone_idx = -1;
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picklist.clear();
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}
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// 8. Guess UpperChest or Chest
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if (neck_or_head == -1) {
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return; // Abort.
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@ -179,6 +179,7 @@ class BoneMapper : public VBoxContainer {
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BONE_SEGREGATION_LEFT,
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BONE_SEGREGATION_RIGHT
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};
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bool is_match_with_bone_name(String p_bone_name, String p_word);
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int search_bone_by_name(Skeleton3D *p_skeleton, Vector<String> p_picklist, BoneSegregation p_segregation = BONE_SEGREGATION_NONE, int p_parent = -1, int p_child = -1, int p_children_count = -1);
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BoneSegregation guess_bone_segregation(String p_bone_name);
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void auto_mapping_process(Ref<BoneMap> &p_bone_map);
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