/*************************************************************************/
/*  skeleton_modification_3d_stackholder.cpp                             */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
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/*************************************************************************/

#include "scene/resources/skeleton_modification_3d_stackholder.h"
#include "scene/3d/skeleton_3d.h"
#include "scene/resources/skeleton_modification_3d.h"

bool SkeletonModification3DStackHolder::_set(const StringName &p_path, const Variant &p_value) {
	String path = p_path;

	if (path == "held_modification_stack") {
		set_held_modification_stack(p_value);
	}
	return true;
}

bool SkeletonModification3DStackHolder::_get(const StringName &p_path, Variant &r_ret) const {
	String path = p_path;

	if (path == "held_modification_stack") {
		r_ret = get_held_modification_stack();
	}
	return true;
}

void SkeletonModification3DStackHolder::_get_property_list(List<PropertyInfo> *p_list) const {
	p_list->push_back(PropertyInfo(Variant::OBJECT, "held_modification_stack", PROPERTY_HINT_RESOURCE_TYPE, "SkeletonModificationStack3D", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_DO_NOT_SHARE_ON_DUPLICATE));
}

void SkeletonModification3DStackHolder::_execute(real_t p_delta) {
	ERR_FAIL_COND_MSG(!stack || !is_setup || stack->skeleton == nullptr,
			"Modification is not setup and therefore cannot execute!");

	if (held_modification_stack.is_valid()) {
		held_modification_stack->execute(p_delta, execution_mode);
	}
}

void SkeletonModification3DStackHolder::_setup_modification(SkeletonModificationStack3D *p_stack) {
	stack = p_stack;

	if (stack != nullptr) {
		is_setup = true;

		if (held_modification_stack.is_valid()) {
			held_modification_stack->set_skeleton(stack->get_skeleton());
			held_modification_stack->setup();
		}
	}
}

void SkeletonModification3DStackHolder::set_held_modification_stack(Ref<SkeletonModificationStack3D> p_held_stack) {
	held_modification_stack = p_held_stack;

	if (is_setup && held_modification_stack.is_valid()) {
		held_modification_stack->set_skeleton(stack->get_skeleton());
		held_modification_stack->setup();
	}
}

Ref<SkeletonModificationStack3D> SkeletonModification3DStackHolder::get_held_modification_stack() const {
	return held_modification_stack;
}

void SkeletonModification3DStackHolder::_bind_methods() {
	ClassDB::bind_method(D_METHOD("set_held_modification_stack", "held_modification_stack"), &SkeletonModification3DStackHolder::set_held_modification_stack);
	ClassDB::bind_method(D_METHOD("get_held_modification_stack"), &SkeletonModification3DStackHolder::get_held_modification_stack);
}

SkeletonModification3DStackHolder::SkeletonModification3DStackHolder() {
	stack = nullptr;
	is_setup = false;
	enabled = true;
}

SkeletonModification3DStackHolder::~SkeletonModification3DStackHolder() {
}