Cppcheck report - Godot - branch: master, commit: 216b3302f318c32a5dcf250293d90e47e712e8e9 (2024-12-22): scene/resources/2d/skeleton/skeleton_modification_2d_jiggle.cpp

/**************************************************************************/
/*  skeleton_modification_2d_jiggle.cpp                                   */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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#include "skeleton_modification_2d_jiggle.h"

#include "scene/2d/skeleton_2d.h"
#include "scene/resources/world_2d.h"

bool SkeletonModification2DJiggle::_set(const StringName &p_path, const Variant &p_value) {
	String path = p_path;

	if (path.begins_with("joint_data/")) {
		int which = path.get_slicec('/', 1).to_int();
		String what = path.get_slicec('/', 2);
		ERR_FAIL_INDEX_V(which, jiggle_data_chain.size(), false);

		if (what == "bone2d_node") {
			set_jiggle_joint_bone2d_node(which, p_value);
		} else if (what == "bone_index") {
			set_jiggle_joint_bone_index(which, p_value);
		} else if (what == "override_defaults") {
			set_jiggle_joint_override(which, p_value);
		} else if (what == "stiffness") {
			set_jiggle_joint_stiffness(which, p_value);
		} else if (what == "mass") {
			set_jiggle_joint_mass(which, p_value);
		} else if (what == "damping") {
			set_jiggle_joint_damping(which, p_value);
		} else if (what == "use_gravity") {
			set_jiggle_joint_use_gravity(which, p_value);
		} else if (what == "gravity") {
			set_jiggle_joint_gravity(which, p_value);
		} else {
			return false;
		}
	} else if (path == "use_colliders") {
		set_use_colliders(p_value);
	} else if (path == "collision_mask") {
		set_collision_mask(p_value);
	} else {
		return false;
	}
	return true;
}

bool SkeletonModification2DJiggle::_get(const StringName &p_path, Variant &r_ret) const {
	String path = p_path;

	if (path.begins_with("joint_data/")) {
		int which = path.get_slicec('/', 1).to_int();
		String what = path.get_slicec('/', 2);
		ERR_FAIL_INDEX_V(which, jiggle_data_chain.size(), false);

		if (what == "bone2d_node") {
			r_ret = get_jiggle_joint_bone2d_node(which);
		} else if (what == "bone_index") {
			r_ret = get_jiggle_joint_bone_index(which);
		} else if (what == "override_defaults") {
			r_ret = get_jiggle_joint_override(which);
		} else if (what == "stiffness") {
			r_ret = get_jiggle_joint_stiffness(which);
		} else if (what == "mass") {
			r_ret = get_jiggle_joint_mass(which);
		} else if (what == "damping") {
			r_ret = get_jiggle_joint_damping(which);
		} else if (what == "use_gravity") {
			r_ret = get_jiggle_joint_use_gravity(which);
		} else if (what == "gravity") {
			r_ret = get_jiggle_joint_gravity(which);
		} else {
			return false;
		}
	} else if (path == "use_colliders") {
		r_ret = get_use_colliders();
	} else if (path == "collision_mask") {
		r_ret = get_collision_mask();
	} else {
		return false;
	}
	return true;
}

void SkeletonModification2DJiggle::_get_property_list(List<PropertyInfo> *p_list) const {
	p_list->push_back(PropertyInfo(Variant::BOOL, "use_colliders", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT));
	if (use_colliders) {
		p_list->push_back(PropertyInfo(Variant::INT, "collision_mask", PROPERTY_HINT_LAYERS_2D_PHYSICS, "", PROPERTY_USAGE_DEFAULT));
	}

	for (int i = 0; i < jiggle_data_chain.size(); i++) {
		String base_string = "joint_data/" + itos(i) + "/";

		p_list->push_back(PropertyInfo(Variant::INT, base_string + "bone_index", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT));
		p_list->push_back(PropertyInfo(Variant::NODE_PATH, base_string + "bone2d_node", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "Bone2D", PROPERTY_USAGE_DEFAULT));
		p_list->push_back(PropertyInfo(Variant::BOOL, base_string + "override_defaults", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT));

		if (jiggle_data_chain[i].override_defaults) {
			p_list->push_back(PropertyInfo(Variant::FLOAT, base_string + "stiffness", PROPERTY_HINT_RANGE, "0, 1000, 0.01", PROPERTY_USAGE_DEFAULT));
			p_list->push_back(PropertyInfo(Variant::FLOAT, base_string + "mass", PROPERTY_HINT_RANGE, "0, 1000, 0.01", PROPERTY_USAGE_DEFAULT));
			p_list->push_back(PropertyInfo(Variant::FLOAT, base_string + "damping", PROPERTY_HINT_RANGE, "0, 1, 0.01", PROPERTY_USAGE_DEFAULT));
			p_list->push_back(PropertyInfo(Variant::BOOL, base_string + "use_gravity", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT));
			if (jiggle_data_chain[i].use_gravity) {
				p_list->push_back(PropertyInfo(Variant::VECTOR2, base_string + "gravity", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT));
			}
		}
	}
}

void SkeletonModification2DJiggle::_execute(float p_delta) {
	ERR_FAIL_COND_MSG(!stack || !is_setup || stack->skeleton == nullptr,
			"Modification is not setup and therefore cannot execute!");
	if (!enabled) {
		return;
	}
	if (target_node_cache.is_null()) {
		WARN_PRINT_ONCE("Target cache is out of date. Attempting to update...");
		update_target_cache();
		return;
	}
	Node2D *target = Object::cast_to<Node2D>(ObjectDB::get_instance(target_node_cache));
	if (!target || !target->is_inside_tree()) {
		ERR_PRINT_ONCE("Target node is not in the scene tree. Cannot execute modification!");
		return;
	}

	for (int i = 0; i < jiggle_data_chain.size(); i++) {
		_execute_jiggle_joint(i, target, p_delta);
	}
}

void SkeletonModification2DJiggle::_execute_jiggle_joint(int p_joint_idx, Node2D *p_target, float p_delta) {
	// Adopted from: https://wiki.unity3d.com/index.php/JiggleBone
	// With modifications by TwistedTwigleg.

	if (jiggle_data_chain[p_joint_idx].bone_idx <= -1 || jiggle_data_chain[p_joint_idx].bone_idx > stack->skeleton->get_bone_count()) {
		ERR_PRINT_ONCE("Jiggle joint " + itos(p_joint_idx) + " bone index is invalid. Cannot execute modification on joint...");
		return;
	}

	if (jiggle_data_chain[p_joint_idx].bone2d_node_cache.is_null() && !jiggle_data_chain[p_joint_idx].bone2d_node.is_empty()) {
		WARN_PRINT_ONCE("Bone2D cache for joint " + itos(p_joint_idx) + " is out of date. Updating...");
		jiggle_joint_update_bone2d_cache(p_joint_idx);
	}

	Bone2D *operation_bone = stack->skeleton->get_bone(jiggle_data_chain[p_joint_idx].bone_idx);
	if (!operation_bone) {
		ERR_PRINT_ONCE("Jiggle joint " + itos(p_joint_idx) + " does not have a Bone2D node or it cannot be found!");
		return;
	}

	Transform2D operation_bone_trans = operation_bone->get_global_transform();
	Vector2 target_position = p_target->get_global_position();

	jiggle_data_chain.write[p_joint_idx].force = (target_position - jiggle_data_chain[p_joint_idx].dynamic_position) * jiggle_data_chain[p_joint_idx].stiffness * p_delta;

	if (jiggle_data_chain[p_joint_idx].use_gravity) {
		jiggle_data_chain.write[p_joint_idx].force += jiggle_data_chain[p_joint_idx].gravity * p_delta;
	}

	jiggle_data_chain.write[p_joint_idx].acceleration = jiggle_data_chain[p_joint_idx].force / jiggle_data_chain[p_joint_idx].mass;
	jiggle_data_chain.write[p_joint_idx].velocity += jiggle_data_chain[p_joint_idx].acceleration * (1 - jiggle_data_chain[p_joint_idx].damping);

	jiggle_data_chain.write[p_joint_idx].dynamic_position += jiggle_data_chain[p_joint_idx].velocity + jiggle_data_chain[p_joint_idx].force;
	jiggle_data_chain.write[p_joint_idx].dynamic_position += operation_bone_trans.get_origin() - jiggle_data_chain[p_joint_idx].last_position;
	jiggle_data_chain.write[p_joint_idx].last_position = operation_bone_trans.get_origin();

	// Collision detection/response
	if (use_colliders) {
		if (execution_mode == SkeletonModificationStack2D::EXECUTION_MODE::execution_mode_physics_process) {
			Ref<World2D> world_2d = stack->skeleton->get_world_2d();
			ERR_FAIL_COND(world_2d.is_null());
			PhysicsDirectSpaceState2D *space_state = PhysicsServer2D::get_singleton()->space_get_direct_state(world_2d->get_space());
			PhysicsDirectSpaceState2D::RayResult ray_result;

			PhysicsDirectSpaceState2D::RayParameters ray_params;
			ray_params.from = operation_bone_trans.get_origin();
			ray_params.to = jiggle_data_chain[p_joint_idx].dynamic_position;
			ray_params.collision_mask = collision_mask;

			// Add exception support?
			bool ray_hit = space_state->intersect_ray(ray_params, ray_result);

			if (ray_hit) {
				jiggle_data_chain.write[p_joint_idx].dynamic_position = jiggle_data_chain[p_joint_idx].last_noncollision_position;
				jiggle_data_chain.write[p_joint_idx].acceleration = Vector2(0, 0);
				jiggle_data_chain.write[p_joint_idx].velocity = Vector2(0, 0);
			} else {
				jiggle_data_chain.write[p_joint_idx].last_noncollision_position = jiggle_data_chain[p_joint_idx].dynamic_position;
			}
		} else {
			WARN_PRINT_ONCE("Jiggle 2D modifier: You cannot detect colliders without the stack mode being set to _physics_process!");
		}
	}

	// Rotate the bone using the dynamic position!
	operation_bone_trans = operation_bone_trans.looking_at(jiggle_data_chain[p_joint_idx].dynamic_position);
	operation_bone_trans.set_rotation(operation_bone_trans.get_rotation() - operation_bone->get_bone_angle());

	// Reset scale
	operation_bone_trans.set_scale(operation_bone->get_global_scale());

	operation_bone->set_global_transform(operation_bone_trans);
	stack->skeleton->set_bone_local_pose_override(jiggle_data_chain[p_joint_idx].bone_idx, operation_bone->get_transform(), stack->strength, true);
}

void SkeletonModification2DJiggle::_update_jiggle_joint_data() {
	for (int i = 0; i < jiggle_data_chain.size(); i++) {
		if (!jiggle_data_chain[i].override_defaults) {
			set_jiggle_joint_stiffness(i, stiffness);
			set_jiggle_joint_mass(i, mass);
			set_jiggle_joint_damping(i, damping);
			set_jiggle_joint_use_gravity(i, use_gravity);
			set_jiggle_joint_gravity(i, gravity);
		}
	}
}

void SkeletonModification2DJiggle::_setup_modification(SkeletonModificationStack2D *p_stack) {
	stack = p_stack;

	if (stack) {
		is_setup = true;

		if (stack->skeleton) {
			for (int i = 0; i < jiggle_data_chain.size(); i++) {
				int bone_idx = jiggle_data_chain[i].bone_idx;
				if (bone_idx > 0 && bone_idx < stack->skeleton->get_bone_count()) {
					Bone2D *bone2d_node = stack->skeleton->get_bone(bone_idx);
					jiggle_data_chain.write[i].dynamic_position = bone2d_node->get_global_position();
				}

				jiggle_joint_update_bone2d_cache(i);
			}
		}

		update_target_cache();
	}
}

void SkeletonModification2DJiggle::update_target_cache() {
	if (!is_setup || !stack) {
		if (is_setup) {
			ERR_PRINT_ONCE("Cannot update target cache: modification is not properly setup!");
		}
		return;
	}

	target_node_cache = ObjectID();
	if (stack->skeleton) {
		if (stack->skeleton->is_inside_tree()) {
			if (stack->skeleton->has_node(target_node)) {
				Node *node = stack->skeleton->get_node(target_node);
				ERR_FAIL_COND_MSG(!node || stack->skeleton == node,
						"Cannot update target cache: node is this modification's skeleton or cannot be found!");
				ERR_FAIL_COND_MSG(!node->is_inside_tree(),
						"Cannot update target cache: node is not in scene tree!");
				target_node_cache = node->get_instance_id();
			}
		}
	}
}

void SkeletonModification2DJiggle::jiggle_joint_update_bone2d_cache(int p_joint_idx) {
	ERR_FAIL_INDEX_MSG(p_joint_idx, jiggle_data_chain.size(), "Cannot update bone2d cache: joint index out of range!");
	if (!is_setup || !stack) {
		if (is_setup) {
			ERR_PRINT_ONCE("Cannot update Jiggle " + itos(p_joint_idx) + " Bone2D cache: modification is not properly setup!");
		}
		return;
	}

	jiggle_data_chain.write[p_joint_idx].bone2d_node_cache = ObjectID();
	if (stack->skeleton) {
		if (stack->skeleton->is_inside_tree()) {
			if (stack->skeleton->has_node(jiggle_data_chain[p_joint_idx].bone2d_node)) {
				Node *node = stack->skeleton->get_node(jiggle_data_chain[p_joint_idx].bone2d_node);
				ERR_FAIL_COND_MSG(!node || stack->skeleton == node,
						"Cannot update Jiggle joint " + itos(p_joint_idx) + " Bone2D cache: node is this modification's skeleton or cannot be found!");
				ERR_FAIL_COND_MSG(!node->is_inside_tree(),
						"Cannot update Jiggle joint " + itos(p_joint_idx) + " Bone2D cache: node is not in scene tree!");
				jiggle_data_chain.write[p_joint_idx].bone2d_node_cache = node->get_instance_id();

				Bone2D *bone = Object::cast_to<Bone2D>(node);
				if (bone) {
					jiggle_data_chain.write[p_joint_idx].bone_idx = bone->get_index_in_skeleton();
				} else {
					ERR_FAIL_MSG("Jiggle joint " + itos(p_joint_idx) + " Bone2D cache: Nodepath to Bone2D is not a Bone2D node!");
				}
			}
		}
	}
}

void SkeletonModification2DJiggle::set_target_node(const NodePath &p_target_node) {
	target_node = p_target_node;
	update_target_cache();
}

NodePath SkeletonModification2DJiggle::get_target_node() const {
	return target_node;
}

void SkeletonModification2DJiggle::set_stiffness(float p_stiffness) {
	ERR_FAIL_COND_MSG(p_stiffness < 0, "Stiffness cannot be set to a negative value!");
	stiffness = p_stiffness;
	_update_jiggle_joint_data();
}

float SkeletonModification2DJiggle::get_stiffness() const {
	return stiffness;
}

void SkeletonModification2DJiggle::set_mass(float p_mass) {
	ERR_FAIL_COND_MSG(p_mass < 0, "Mass cannot be set to a negative value!");
	mass = p_mass;
	_update_jiggle_joint_data();
}

float SkeletonModification2DJiggle::get_mass() const {
	return mass;
}

void SkeletonModification2DJiggle::set_damping(float p_damping) {
	ERR_FAIL_COND_MSG(p_damping < 0, "Damping cannot be set to a negative value!");
	ERR_FAIL_COND_MSG(p_damping > 1, "Damping cannot be more than one!");
	damping = p_damping;
	_update_jiggle_joint_data();
}

float SkeletonModification2DJiggle::get_damping() const {
	return damping;
}

void SkeletonModification2DJiggle::set_use_gravity(bool p_use_gravity) {
	use_gravity = p_use_gravity;
	_update_jiggle_joint_data();
}

bool SkeletonModification2DJiggle::get_use_gravity() const {
	return use_gravity;
}

void SkeletonModification2DJiggle::set_gravity(Vector2 p_gravity) {
	gravity = p_gravity;
	_update_jiggle_joint_data();
}

Vector2 SkeletonModification2DJiggle::get_gravity() const {
	return gravity;
}

void SkeletonModification2DJiggle::set_use_colliders(bool p_use_colliders) {
	use_colliders = p_use_colliders;
	notify_property_list_changed();
}

bool SkeletonModification2DJiggle::get_use_colliders() const {
	return use_colliders;
}

void SkeletonModification2DJiggle::set_collision_mask(int p_mask) {
	collision_mask = p_mask;
}

int SkeletonModification2DJiggle::get_collision_mask() const {
	return collision_mask;
}

// Jiggle joint data functions
int SkeletonModification2DJiggle::get_jiggle_data_chain_length() {
	return jiggle_data_chain.size();
}

void SkeletonModification2DJiggle::set_jiggle_data_chain_length(int p_length) {
	ERR_FAIL_COND(p_length < 0);
	jiggle_data_chain.resize(p_length);
	notify_property_list_changed();
}

void SkeletonModification2DJiggle::set_jiggle_joint_bone2d_node(int p_joint_idx, const NodePath &p_target_node) {
	ERR_FAIL_INDEX_MSG(p_joint_idx, jiggle_data_chain.size(), "Jiggle joint out of range!");
	jiggle_data_chain.write[p_joint_idx].bone2d_node = p_target_node;
	jiggle_joint_update_bone2d_cache(p_joint_idx);

	notify_property_list_changed();
}

NodePath SkeletonModification2DJiggle::get_jiggle_joint_bone2d_node(int p_joint_idx) const {
	ERR_FAIL_INDEX_V_MSG(p_joint_idx, jiggle_data_chain.size(), NodePath(), "Jiggle joint out of range!");
	return jiggle_data_chain[p_joint_idx].bone2d_node;
}

void SkeletonModification2DJiggle::set_jiggle_joint_bone_index(int p_joint_idx, int p_bone_idx) {
	ERR_FAIL_INDEX_MSG(p_joint_idx, jiggle_data_chain.size(), "Jiggle joint out of range!");
	ERR_FAIL_COND_MSG(p_bone_idx < 0, "Bone index is out of range: The index is too low!");

	if (is_setup) {
		if (stack->skeleton) {
			ERR_FAIL_INDEX_MSG(p_bone_idx, stack->skeleton->get_bone_count(), "Passed-in Bone index is out of range!");
			jiggle_data_chain.write[p_joint_idx].bone_idx = p_bone_idx;
			jiggle_data_chain.write[p_joint_idx].bone2d_node_cache = stack->skeleton->get_bone(p_bone_idx)->get_instance_id();
			jiggle_data_chain.write[p_joint_idx].bone2d_node = stack->skeleton->get_path_to(stack->skeleton->get_bone(p_bone_idx));
		} else {
			WARN_PRINT("Cannot verify the Jiggle joint " + itos(p_joint_idx) + " bone index for this modification...");
			jiggle_data_chain.write[p_joint_idx].bone_idx = p_bone_idx;
		}
	} else {
		jiggle_data_chain.write[p_joint_idx].bone_idx = p_bone_idx;
	}

	notify_property_list_changed();
}

int SkeletonModification2DJiggle::get_jiggle_joint_bone_index(int p_joint_idx) const {
	ERR_FAIL_INDEX_V_MSG(p_joint_idx, jiggle_data_chain.size(), -1, "Jiggle joint out of range!");
	return jiggle_data_chain[p_joint_idx].bone_idx;
}

void SkeletonModification2DJiggle::set_jiggle_joint_override(int p_joint_idx, bool p_override) {
	ERR_FAIL_INDEX(p_joint_idx, jiggle_data_chain.size());
	jiggle_data_chain.write[p_joint_idx].override_defaults = p_override;
	_update_jiggle_joint_data();
	notify_property_list_changed();
}

bool SkeletonModification2DJiggle::get_jiggle_joint_override(int p_joint_idx) const {
	ERR_FAIL_INDEX_V(p_joint_idx, jiggle_data_chain.size(), false);
	return jiggle_data_chain[p_joint_idx].override_defaults;
}

void SkeletonModification2DJiggle::set_jiggle_joint_stiffness(int p_joint_idx, float p_stiffness) {
	ERR_FAIL_COND_MSG(p_stiffness < 0, "Stiffness cannot be set to a negative value!");
	ERR_FAIL_INDEX(p_joint_idx, jiggle_data_chain.size());
	jiggle_data_chain.write[p_joint_idx].stiffness = p_stiffness;
}

float SkeletonModification2DJiggle::get_jiggle_joint_stiffness(int p_joint_idx) const {
	ERR_FAIL_INDEX_V(p_joint_idx, jiggle_data_chain.size(), -1);
	return jiggle_data_chain[p_joint_idx].stiffness;
}

void SkeletonModification2DJiggle::set_jiggle_joint_mass(int p_joint_idx, float p_mass) {
	ERR_FAIL_COND_MSG(p_mass < 0, "Mass cannot be set to a negative value!");
	ERR_FAIL_INDEX(p_joint_idx, jiggle_data_chain.size());
	jiggle_data_chain.write[p_joint_idx].mass = p_mass;
}

float SkeletonModification2DJiggle::get_jiggle_joint_mass(int p_joint_idx) const {
	ERR_FAIL_INDEX_V(p_joint_idx, jiggle_data_chain.size(), -1);
	return jiggle_data_chain[p_joint_idx].mass;
}

void SkeletonModification2DJiggle::set_jiggle_joint_damping(int p_joint_idx, float p_damping) {
	ERR_FAIL_COND_MSG(p_damping < 0, "Damping cannot be set to a negative value!");
	ERR_FAIL_INDEX(p_joint_idx, jiggle_data_chain.size());
	jiggle_data_chain.write[p_joint_idx].damping = p_damping;
}

float SkeletonModification2DJiggle::get_jiggle_joint_damping(int p_joint_idx) const {
	ERR_FAIL_INDEX_V(p_joint_idx, jiggle_data_chain.size(), -1);
	return jiggle_data_chain[p_joint_idx].damping;
}

void SkeletonModification2DJiggle::set_jiggle_joint_use_gravity(int p_joint_idx, bool p_use_gravity) {
	ERR_FAIL_INDEX(p_joint_idx, jiggle_data_chain.size());
	jiggle_data_chain.write[p_joint_idx].use_gravity = p_use_gravity;
	notify_property_list_changed();
}

bool SkeletonModification2DJiggle::get_jiggle_joint_use_gravity(int p_joint_idx) const {
	ERR_FAIL_INDEX_V(p_joint_idx, jiggle_data_chain.size(), false);
	return jiggle_data_chain[p_joint_idx].use_gravity;
}

void SkeletonModification2DJiggle::set_jiggle_joint_gravity(int p_joint_idx, Vector2 p_gravity) {
	ERR_FAIL_INDEX(p_joint_idx, jiggle_data_chain.size());
	jiggle_data_chain.write[p_joint_idx].gravity = p_gravity;
}

Vector2 SkeletonModification2DJiggle::get_jiggle_joint_gravity(int p_joint_idx) const {
	ERR_FAIL_INDEX_V(p_joint_idx, jiggle_data_chain.size(), Vector2(0, 0));
	return jiggle_data_chain[p_joint_idx].gravity;
}

void SkeletonModification2DJiggle::_bind_methods() {
	ClassDB::bind_method(D_METHOD("set_target_node", "target_nodepath"), &SkeletonModification2DJiggle::set_target_node);
	ClassDB::bind_method(D_METHOD("get_target_node"), &SkeletonModification2DJiggle::get_target_node);

	ClassDB::bind_method(D_METHOD("set_jiggle_data_chain_length", "length"), &SkeletonModification2DJiggle::set_jiggle_data_chain_length);
	ClassDB::bind_method(D_METHOD("get_jiggle_data_chain_length"), &SkeletonModification2DJiggle::get_jiggle_data_chain_length);

	ClassDB::bind_method(D_METHOD("set_stiffness", "stiffness"), &SkeletonModification2DJiggle::set_stiffness);
	ClassDB::bind_method(D_METHOD("get_stiffness"), &SkeletonModification2DJiggle::get_stiffness);
	ClassDB::bind_method(D_METHOD("set_mass", "mass"), &SkeletonModification2DJiggle::set_mass);
	ClassDB::bind_method(D_METHOD("get_mass"), &SkeletonModification2DJiggle::get_mass);
	ClassDB::bind_method(D_METHOD("set_damping", "damping"), &SkeletonModification2DJiggle::set_damping);
	ClassDB::bind_method(D_METHOD("get_damping"), &SkeletonModification2DJiggle::get_damping);
	ClassDB::bind_method(D_METHOD("set_use_gravity", "use_gravity"), &SkeletonModification2DJiggle::set_use_gravity);
	ClassDB::bind_method(D_METHOD("get_use_gravity"), &SkeletonModification2DJiggle::get_use_gravity);
	ClassDB::bind_method(D_METHOD("set_gravity", "gravity"), &SkeletonModification2DJiggle::set_gravity);
	ClassDB::bind_method(D_METHOD("get_gravity"), &SkeletonModification2DJiggle::get_gravity);

	ClassDB::bind_method(D_METHOD("set_use_colliders", "use_colliders"), &SkeletonModification2DJiggle::set_use_colliders);
	ClassDB::bind_method(D_METHOD("get_use_colliders"), &SkeletonModification2DJiggle::get_use_colliders);
	ClassDB::bind_method(D_METHOD("set_collision_mask", "collision_mask"), &SkeletonModification2DJiggle::set_collision_mask);
	ClassDB::bind_method(D_METHOD("get_collision_mask"), &SkeletonModification2DJiggle::get_collision_mask);

	// Jiggle joint data functions
	ClassDB::bind_method(D_METHOD("set_jiggle_joint_bone2d_node", "joint_idx", "bone2d_node"), &SkeletonModification2DJiggle::set_jiggle_joint_bone2d_node);
	ClassDB::bind_method(D_METHOD("get_jiggle_joint_bone2d_node", "joint_idx"), &SkeletonModification2DJiggle::get_jiggle_joint_bone2d_node);
	ClassDB::bind_method(D_METHOD("set_jiggle_joint_bone_index", "joint_idx", "bone_idx"), &SkeletonModification2DJiggle::set_jiggle_joint_bone_index);
	ClassDB::bind_method(D_METHOD("get_jiggle_joint_bone_index", "joint_idx"), &SkeletonModification2DJiggle::get_jiggle_joint_bone_index);
	ClassDB::bind_method(D_METHOD("set_jiggle_joint_override", "joint_idx", "override"), &SkeletonModification2DJiggle::set_jiggle_joint_override);
	ClassDB::bind_method(D_METHOD("get_jiggle_joint_override", "joint_idx"), &SkeletonModification2DJiggle::get_jiggle_joint_override);
	ClassDB::bind_method(D_METHOD("set_jiggle_joint_stiffness", "joint_idx", "stiffness"), &SkeletonModification2DJiggle::set_jiggle_joint_stiffness);
	ClassDB::bind_method(D_METHOD("get_jiggle_joint_stiffness", "joint_idx"), &SkeletonModification2DJiggle::get_jiggle_joint_stiffness);
	ClassDB::bind_method(D_METHOD("set_jiggle_joint_mass", "joint_idx", "mass"), &SkeletonModification2DJiggle::set_jiggle_joint_mass);
	ClassDB::bind_method(D_METHOD("get_jiggle_joint_mass", "joint_idx"), &SkeletonModification2DJiggle::get_jiggle_joint_mass);
	ClassDB::bind_method(D_METHOD("set_jiggle_joint_damping", "joint_idx", "damping"), &SkeletonModification2DJiggle::set_jiggle_joint_damping);
	ClassDB::bind_method(D_METHOD("get_jiggle_joint_damping", "joint_idx"), &SkeletonModification2DJiggle::get_jiggle_joint_damping);
	ClassDB::bind_method(D_METHOD("set_jiggle_joint_use_gravity", "joint_idx", "use_gravity"), &SkeletonModification2DJiggle::set_jiggle_joint_use_gravity);
	ClassDB::bind_method(D_METHOD("get_jiggle_joint_use_gravity", "joint_idx"), &SkeletonModification2DJiggle::get_jiggle_joint_use_gravity);
	ClassDB::bind_method(D_METHOD("set_jiggle_joint_gravity", "joint_idx", "gravity"), &SkeletonModification2DJiggle::set_jiggle_joint_gravity);
	ClassDB::bind_method(D_METHOD("get_jiggle_joint_gravity", "joint_idx"), &SkeletonModification2DJiggle::get_jiggle_joint_gravity);

	ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "target_nodepath", PROPERTY_HINT_NODE_PATH_VALID_TYPES, "Node2D"), "set_target_node", "get_target_node");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "jiggle_data_chain_length", PROPERTY_HINT_RANGE, "0,100,1"), "set_jiggle_data_chain_length", "get_jiggle_data_chain_length");
	ADD_GROUP("Default Joint Settings", "");
	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "stiffness"), "set_stiffness", "get_stiffness");
	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "mass"), "set_mass", "get_mass");
	ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "damping", PROPERTY_HINT_RANGE, "0, 1, 0.01"), "set_damping", "get_damping");
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_gravity"), "set_use_gravity", "get_use_gravity");
	ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "gravity"), "set_gravity", "get_gravity");
	ADD_GROUP("", "");
}

SkeletonModification2DJiggle::SkeletonModification2DJiggle() {
	stack = nullptr;
	is_setup = false;
	jiggle_data_chain = Vector<Jiggle_Joint_Data2D>();
<--- Variable 'jiggle_data_chain' is assigned in constructor body. Consider performing initialization in initialization list. [+]
When an object of a class is created, the constructors of all member variables are called consecutively in the order the variables are declared, even if you don't explicitly write them to the initialization list. You could avoid assigning 'jiggle_data_chain' a value by passing the value to the constructor in the initialization list.
	stiffness = 3;
	mass = 0.75;
	damping = 0.75;
	use_gravity = false;
	gravity = Vector2(0, 6.0);
<--- Variable 'gravity' is assigned in constructor body. Consider performing initialization in initialization list. [+]
When an object of a class is created, the constructors of all member variables are called consecutively in the order the variables are declared, even if you don't explicitly write them to the initialization list. You could avoid assigning 'gravity' a value by passing the value to the constructor in the initialization list.
	enabled = true;
	editor_draw_gizmo = false; // Nothing to really show in a gizmo right now.
}

SkeletonModification2DJiggle::~SkeletonModification2DJiggle() {
}