211 lines
4.6 KiB
C++
211 lines
4.6 KiB
C++
#include "skeleton_2d.h"
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void Bone2D::_notification(int p_what) {
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if (p_what == NOTIFICATION_ENTER_TREE) {
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Node *parent = get_parent();
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parent_bone = Object::cast_to<Bone2D>(parent);
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skeleton = NULL;
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while (parent) {
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skeleton = Object::cast_to<Skeleton2D>(parent);
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if (skeleton)
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break;
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if (!Object::cast_to<Bone2D>(parent))
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break; //skeletons must be chained to Bone2Ds.
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}
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if (skeleton) {
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Skeleton2D::Bone bone;
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bone.bone = this;
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skeleton->bones.push_back(bone);
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skeleton->_make_bone_setup_dirty();
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}
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}
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if (p_what == NOTIFICATION_LOCAL_TRANSFORM_CHANGED) {
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if (skeleton) {
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skeleton->_make_transform_dirty();
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}
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}
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if (p_what == NOTIFICATION_EXIT_TREE) {
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if (skeleton) {
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for (int i = 0; i < skeleton->bones.size(); i++) {
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if (skeleton->bones[i].bone == this) {
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skeleton->bones.remove(i);
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break;
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}
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}
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skeleton->_make_bone_setup_dirty();
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skeleton = NULL;
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}
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parent_bone = NULL;
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}
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}
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void Bone2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_rest", "rest"), &Bone2D::set_rest);
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ClassDB::bind_method(D_METHOD("get_rest"), &Bone2D::get_rest);
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ClassDB::bind_method(D_METHOD("apply_rest"), &Bone2D::apply_rest);
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}
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void Bone2D::set_rest(const Transform2D &p_rest) {
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rest = p_rest;
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if (skeleton)
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skeleton->_make_bone_setup_dirty();
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}
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Transform2D Bone2D::get_rest() const {
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return rest;
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}
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Transform2D Bone2D::get_skeleton_rest() const {
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if (parent_bone) {
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return parent_bone->get_skeleton_rest() * rest;
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} else {
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return rest;
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}
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}
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void Bone2D::apply_rest() {
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set_transform(rest);
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}
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String Bone2D::get_configuration_warning() const {
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if (!skeleton) {
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if (parent_bone) {
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return TTR("This Bone2D chain should end at a Skeleton2D node.");
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} else {
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return TTR("A Bone2D only works with a Skeleton2D or another Bone2D as parent node.");
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}
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}
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return Node2D::get_configuration_warning();
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}
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Bone2D::Bone2D() {
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skeleton = NULL;
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parent_bone = NULL;
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set_notify_local_transform(true);
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}
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//////////////////////////////////////
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void Skeleton2D::_make_bone_setup_dirty() {
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if (bone_setup_dirty)
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return;
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bone_setup_dirty = true;
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if (is_inside_tree()) {
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call_deferred("_update_bone_setup");
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}
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}
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void Skeleton2D::_update_bone_setup() {
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if (!bone_setup_dirty)
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return;
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bone_setup_dirty = false;
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VS::get_singleton()->skeleton_allocate(skeleton, bones.size(), true);
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bones.sort(); //sorty so they are always in the same order/index
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for (int i = 0; i < bones.size(); i++) {
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bones[i].rest_inverse = bones[i].bone->get_skeleton_rest(); //bind pose
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}
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transform_dirty = true;
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_update_transform();
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}
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void Skeleton2D::_make_transform_dirty() {
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if (transform_dirty)
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return;
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transform_dirty = true;
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if (is_inside_tree()) {
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call_deferred("_update_transform");
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}
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}
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void Skeleton2D::_update_transform() {
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if (bone_setup_dirty) {
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_update_bone_setup();
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return; //above will update transform anyway
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}
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if (!transform_dirty)
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return;
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transform_dirty = false;
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Transform2D global_xform = get_global_transform();
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Transform2D global_xform_inverse = global_xform.affine_inverse();
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for (int i = 0; i < bones.size(); i++) {
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Transform2D final_xform = bones[i].rest_inverse * bones[i].bone->get_relative_transform_to_parent(this);
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VS::get_singleton()->skeleton_bone_set_transform_2d(skeleton, i, global_xform * (final_xform * global_xform_inverse));
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}
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}
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int Skeleton2D::get_bone_count() const {
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ERR_FAIL_COND_V(!is_inside_tree(), 0);
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if (bone_setup_dirty) {
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const_cast<Skeleton2D *>(this)->_update_bone_setup();
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}
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return bones.size();
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}
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Bone2D *Skeleton2D::get_bone(int p_idx) {
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ERR_FAIL_COND_V(!is_inside_tree(), NULL);
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ERR_FAIL_INDEX_V(p_idx, bones.size(), NULL);
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return bones[p_idx].bone;
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}
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void Skeleton2D::_notification(int p_what) {
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if (p_what == NOTIFICATION_READY) {
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if (bone_setup_dirty)
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_update_bone_setup();
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if (transform_dirty)
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_update_transform();
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}
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if (p_what == NOTIFICATION_TRANSFORM_CHANGED) {
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_make_transform_dirty();
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}
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}
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RID Skeleton2D::get_skeleton() const {
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return skeleton;
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}
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void Skeleton2D::_bind_methods() {
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ClassDB::bind_method(D_METHOD("_update_bone_setup"), &Skeleton2D::_update_bone_setup);
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ClassDB::bind_method(D_METHOD("_update_transform"), &Skeleton2D::_update_transform);
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ClassDB::bind_method(D_METHOD("get_bone_count"), &Skeleton2D::get_bone_count);
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ClassDB::bind_method(D_METHOD("get_bone"), &Skeleton2D::get_bone);
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ClassDB::bind_method(D_METHOD("get_skeleton"), &Skeleton2D::get_skeleton);
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}
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Skeleton2D::Skeleton2D() {
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bone_setup_dirty = true;
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transform_dirty = true;
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skeleton = VS::get_singleton()->skeleton_create();
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}
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Skeleton2D::~Skeleton2D() {
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VS::get_singleton()->free(skeleton);
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}
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