/*************************************************************************/
/*  skeleton_modification_2d_stackholder.cpp                             */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md).   */
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/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the       */
/* "Software"), to deal in the Software without restriction, including   */
/* without limitation the rights to use, copy, modify, merge, publish,   */
/* distribute, sublicense, and/or sell copies of the Software, and to    */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions:                                             */
/*                                                                       */
/* The above copyright notice and this permission notice shall be        */
/* included in all copies or substantial portions of the Software.       */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
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/*************************************************************************/

#include "skeleton_modification_2d_stackholder.h"
#include "scene/2d/skeleton_2d.h"

bool SkeletonModification2DStackHolder::_set(const StringName &p_path, const Variant &p_value) {
	String path = p_path;

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

#ifdef TOOLS_ENABLED
	if (path == "editor/draw_gizmo") {
		set_editor_draw_gizmo(p_value);
	}
#endif // TOOLS_ENABLED

	return true;
}

bool SkeletonModification2DStackHolder::_get(const StringName &p_path, Variant &r_ret) const {
	String path = p_path;

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

#ifdef TOOLS_ENABLED
	if (path == "editor/draw_gizmo") {
		r_ret = get_editor_draw_gizmo();
	}
#endif // TOOLS_ENABLED

	return true;
}

void SkeletonModification2DStackHolder::_get_property_list(List<PropertyInfo> *p_list) const {
	p_list->push_back(PropertyInfo(Variant::OBJECT, "held_modification_stack", PROPERTY_HINT_RESOURCE_TYPE, "SkeletonModificationStack2D", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_DO_NOT_SHARE_ON_DUPLICATE));

#ifdef TOOLS_ENABLED
	if (Engine::get_singleton()->is_editor_hint()) {
		p_list->push_back(PropertyInfo(Variant::BOOL, "editor/draw_gizmo", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT));
	}
#endif // TOOLS_ENABLED
}

void SkeletonModification2DStackHolder::_execute(float 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 SkeletonModification2DStackHolder::_setup_modification(SkeletonModificationStack2D *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 SkeletonModification2DStackHolder::_draw_editor_gizmo() {
	if (stack) {
		if (held_modification_stack.is_valid()) {
			held_modification_stack->draw_editor_gizmos();
		}
	}
}

void SkeletonModification2DStackHolder::set_held_modification_stack(Ref<SkeletonModificationStack2D> 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<SkeletonModificationStack2D> SkeletonModification2DStackHolder::get_held_modification_stack() const {
	return held_modification_stack;
}

void SkeletonModification2DStackHolder::_bind_methods() {
	ClassDB::bind_method(D_METHOD("set_held_modification_stack", "held_modification_stack"), &SkeletonModification2DStackHolder::set_held_modification_stack);
	ClassDB::bind_method(D_METHOD("get_held_modification_stack"), &SkeletonModification2DStackHolder::get_held_modification_stack);
}

SkeletonModification2DStackHolder::SkeletonModification2DStackHolder() {
	stack = nullptr;
	is_setup = false;
	enabled = true;
}

SkeletonModification2DStackHolder::~SkeletonModification2DStackHolder() {
}