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			605 lines
		
	
	
	
		
			17 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			605 lines
		
	
	
	
		
			17 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*************************************************************************/
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/*  visual_script_yield_nodes.cpp                                        */
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/*************************************************************************/
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/*                       This file is part of:                           */
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/*                           GODOT ENGINE                                */
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/*                      https://godotengine.org                          */
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/*************************************************************************/
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/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur.                 */
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/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md)    */
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/*                                                                       */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the       */
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/* "Software"), to deal in the Software without restriction, including   */
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/* without limitation the rights to use, copy, modify, merge, publish,   */
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/* distribute, sublicense, and/or sell copies of the Software, and to    */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions:                                             */
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/*                                                                       */
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/* The above copyright notice and this permission notice shall be        */
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/* included in all copies or substantial portions of the Software.       */
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/*                                                                       */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
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/*************************************************************************/
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#include "visual_script_yield_nodes.h"
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#include "core/os/os.h"
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#include "scene/main/node.h"
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#include "scene/main/scene_tree.h"
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#include "visual_script_nodes.h"
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//////////////////////////////////////////
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////////////////YIELD///////////
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//////////////////////////////////////////
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int VisualScriptYield::get_output_sequence_port_count() const {
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	return 1;
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}
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bool VisualScriptYield::has_input_sequence_port() const {
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	return true;
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}
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int VisualScriptYield::get_input_value_port_count() const {
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	return 0;
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}
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int VisualScriptYield::get_output_value_port_count() const {
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	return 0;
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}
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String VisualScriptYield::get_output_sequence_port_text(int p_port) const {
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	return String();
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}
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PropertyInfo VisualScriptYield::get_input_value_port_info(int p_idx) const {
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	return PropertyInfo();
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}
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PropertyInfo VisualScriptYield::get_output_value_port_info(int p_idx) const {
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	return PropertyInfo();
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}
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String VisualScriptYield::get_caption() const {
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	return yield_mode == YIELD_RETURN ? "Yield" : "Wait";
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}
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String VisualScriptYield::get_text() const {
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	switch (yield_mode) {
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		case YIELD_RETURN: return ""; break;
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		case YIELD_FRAME: return "Next Frame"; break;
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		case YIELD_PHYSICS_FRAME: return "Next Physics Frame"; break;
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		case YIELD_WAIT: return rtos(wait_time) + " sec(s)"; break;
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	}
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	return String();
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}
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class VisualScriptNodeInstanceYield : public VisualScriptNodeInstance {
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public:
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	VisualScriptYield::YieldMode mode;
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	float wait_time;
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	virtual int get_working_memory_size() const { return 1; } //yield needs at least 1
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	//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
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	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return false; }
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	virtual int step(const Variant **p_inputs, Variant **p_outputs, StartMode p_start_mode, Variant *p_working_mem, Variant::CallError &r_error, String &r_error_str) {
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		if (p_start_mode == START_MODE_RESUME_YIELD) {
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			return 0; //resuming yield
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		} else {
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			//yield
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			SceneTree *tree = Object::cast_to<SceneTree>(OS::get_singleton()->get_main_loop());
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			if (!tree) {
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				r_error_str = "Main Loop is not SceneTree";
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				r_error.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
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				return 0;
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			}
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			Ref<VisualScriptFunctionState> state;
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			state.instance();
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			int ret = STEP_YIELD_BIT;
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			switch (mode) {
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				case VisualScriptYield::YIELD_RETURN:
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					ret = STEP_EXIT_FUNCTION_BIT;
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					break; //return the yield
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				case VisualScriptYield::YIELD_FRAME: state->connect_to_signal(tree, "idle_frame", Array()); break;
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				case VisualScriptYield::YIELD_PHYSICS_FRAME: state->connect_to_signal(tree, "physics_frame", Array()); break;
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				case VisualScriptYield::YIELD_WAIT: state->connect_to_signal(tree->create_timer(wait_time).ptr(), "timeout", Array()); break;
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			}
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			*p_working_mem = state;
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			return ret;
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		}
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	}
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};
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VisualScriptNodeInstance *VisualScriptYield::instance(VisualScriptInstance *p_instance) {
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	VisualScriptNodeInstanceYield *instance = memnew(VisualScriptNodeInstanceYield);
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	//instance->instance=p_instance;
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	instance->mode = yield_mode;
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	instance->wait_time = wait_time;
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	return instance;
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}
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void VisualScriptYield::set_yield_mode(YieldMode p_mode) {
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	if (yield_mode == p_mode)
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		return;
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	yield_mode = p_mode;
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	ports_changed_notify();
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	_change_notify();
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}
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VisualScriptYield::YieldMode VisualScriptYield::get_yield_mode() {
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	return yield_mode;
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}
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void VisualScriptYield::set_wait_time(float p_time) {
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	if (wait_time == p_time)
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		return;
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	wait_time = p_time;
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	ports_changed_notify();
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}
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float VisualScriptYield::get_wait_time() {
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	return wait_time;
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}
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void VisualScriptYield::_validate_property(PropertyInfo &property) const {
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	if (property.name == "wait_time") {
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		if (yield_mode != YIELD_WAIT) {
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			property.usage = 0;
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		}
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	}
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}
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void VisualScriptYield::_bind_methods() {
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	ClassDB::bind_method(D_METHOD("set_yield_mode", "mode"), &VisualScriptYield::set_yield_mode);
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	ClassDB::bind_method(D_METHOD("get_yield_mode"), &VisualScriptYield::get_yield_mode);
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	ClassDB::bind_method(D_METHOD("set_wait_time", "sec"), &VisualScriptYield::set_wait_time);
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	ClassDB::bind_method(D_METHOD("get_wait_time"), &VisualScriptYield::get_wait_time);
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	ADD_PROPERTY(PropertyInfo(Variant::INT, "mode", PROPERTY_HINT_ENUM, "Frame,Physics Frame,Time", PROPERTY_USAGE_NOEDITOR), "set_yield_mode", "get_yield_mode");
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	ADD_PROPERTY(PropertyInfo(Variant::REAL, "wait_time"), "set_wait_time", "get_wait_time");
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	BIND_ENUM_CONSTANT(YIELD_FRAME);
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	BIND_ENUM_CONSTANT(YIELD_PHYSICS_FRAME);
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	BIND_ENUM_CONSTANT(YIELD_WAIT);
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}
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VisualScriptYield::VisualScriptYield() {
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	yield_mode = YIELD_FRAME;
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	wait_time = 1;
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}
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template <VisualScriptYield::YieldMode MODE>
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static Ref<VisualScriptNode> create_yield_node(const String &p_name) {
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	Ref<VisualScriptYield> node;
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	node.instance();
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	node->set_yield_mode(MODE);
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	return node;
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}
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///////////////////////////////////////////////////
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////////////////YIELD SIGNAL//////////////////////
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//////////////////////////////////////////////////
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int VisualScriptYieldSignal::get_output_sequence_port_count() const {
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	return 1;
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}
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bool VisualScriptYieldSignal::has_input_sequence_port() const {
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	return true;
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}
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#ifdef TOOLS_ENABLED
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static Node *_find_script_node(Node *p_edited_scene, Node *p_current_node, const Ref<Script> &script) {
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	if (p_edited_scene != p_current_node && p_current_node->get_owner() != p_edited_scene)
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		return NULL;
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	Ref<Script> scr = p_current_node->get_script();
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	if (scr.is_valid() && scr == script)
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		return p_current_node;
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	for (int i = 0; i < p_current_node->get_child_count(); i++) {
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		Node *n = _find_script_node(p_edited_scene, p_current_node->get_child(i), script);
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		if (n)
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			return n;
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	}
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	return NULL;
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}
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#endif
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Node *VisualScriptYieldSignal::_get_base_node() const {
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#ifdef TOOLS_ENABLED
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	Ref<Script> script = get_visual_script();
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	if (!script.is_valid())
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		return NULL;
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	MainLoop *main_loop = OS::get_singleton()->get_main_loop();
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	SceneTree *scene_tree = Object::cast_to<SceneTree>(main_loop);
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	if (!scene_tree)
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		return NULL;
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	Node *edited_scene = scene_tree->get_edited_scene_root();
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	if (!edited_scene)
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		return NULL;
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	Node *script_node = _find_script_node(edited_scene, edited_scene, script);
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	if (!script_node)
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		return NULL;
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	if (!script_node->has_node(base_path))
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		return NULL;
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	Node *path_to = script_node->get_node(base_path);
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	return path_to;
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#else
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	return NULL;
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#endif
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}
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StringName VisualScriptYieldSignal::_get_base_type() const {
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	if (call_mode == CALL_MODE_SELF && get_visual_script().is_valid())
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		return get_visual_script()->get_instance_base_type();
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	else if (call_mode == CALL_MODE_NODE_PATH && get_visual_script().is_valid()) {
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		Node *path = _get_base_node();
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		if (path)
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			return path->get_class();
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	}
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	return base_type;
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}
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int VisualScriptYieldSignal::get_input_value_port_count() const {
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	if (call_mode == CALL_MODE_INSTANCE)
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		return 1;
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	else
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		return 0;
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}
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int VisualScriptYieldSignal::get_output_value_port_count() const {
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	MethodInfo sr;
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	if (!ClassDB::get_signal(_get_base_type(), signal, &sr))
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		return 0;
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	return sr.arguments.size();
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}
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String VisualScriptYieldSignal::get_output_sequence_port_text(int p_port) const {
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	return String();
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}
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PropertyInfo VisualScriptYieldSignal::get_input_value_port_info(int p_idx) const {
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	if (call_mode == CALL_MODE_INSTANCE)
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		return PropertyInfo(Variant::OBJECT, "instance");
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	else
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		return PropertyInfo();
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}
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PropertyInfo VisualScriptYieldSignal::get_output_value_port_info(int p_idx) const {
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	MethodInfo sr;
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	if (!ClassDB::get_signal(_get_base_type(), signal, &sr))
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		return PropertyInfo(); //no signal
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	ERR_FAIL_INDEX_V(p_idx, sr.arguments.size(), PropertyInfo());
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	return sr.arguments[p_idx];
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}
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String VisualScriptYieldSignal::get_caption() const {
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	static const char *cname[3] = {
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		"WaitSignal",
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		"WaitNodeSignal",
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		"WaitInstanceSigna;",
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	};
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	return cname[call_mode];
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}
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String VisualScriptYieldSignal::get_text() const {
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	if (call_mode == CALL_MODE_SELF)
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		return "  " + String(signal) + "()";
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	else
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		return "  " + _get_base_type() + "." + String(signal) + "()";
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}
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void VisualScriptYieldSignal::set_base_type(const StringName &p_type) {
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	if (base_type == p_type)
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		return;
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	base_type = p_type;
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	_change_notify();
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	ports_changed_notify();
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}
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StringName VisualScriptYieldSignal::get_base_type() const {
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	return base_type;
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}
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void VisualScriptYieldSignal::set_signal(const StringName &p_type) {
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	if (signal == p_type)
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		return;
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	signal = p_type;
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	_change_notify();
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	ports_changed_notify();
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}
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StringName VisualScriptYieldSignal::get_signal() const {
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	return signal;
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}
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void VisualScriptYieldSignal::set_base_path(const NodePath &p_type) {
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	if (base_path == p_type)
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		return;
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	base_path = p_type;
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	_change_notify();
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	ports_changed_notify();
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}
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NodePath VisualScriptYieldSignal::get_base_path() const {
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	return base_path;
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}
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void VisualScriptYieldSignal::set_call_mode(CallMode p_mode) {
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	if (call_mode == p_mode)
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		return;
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	call_mode = p_mode;
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	_change_notify();
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	ports_changed_notify();
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}
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VisualScriptYieldSignal::CallMode VisualScriptYieldSignal::get_call_mode() const {
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	return call_mode;
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}
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void VisualScriptYieldSignal::_validate_property(PropertyInfo &property) const {
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	if (property.name == "base_type") {
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		if (call_mode != CALL_MODE_INSTANCE) {
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			property.usage = PROPERTY_USAGE_NOEDITOR;
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		}
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	}
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	if (property.name == "node_path") {
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		if (call_mode != CALL_MODE_NODE_PATH) {
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			property.usage = 0;
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		} else {
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			Node *bnode = _get_base_node();
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			if (bnode) {
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				property.hint_string = bnode->get_path(); //convert to loong string
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			}
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		}
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	}
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	if (property.name == "signal") {
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		property.hint = PROPERTY_HINT_ENUM;
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		List<MethodInfo> methods;
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		ClassDB::get_signal_list(_get_base_type(), &methods);
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		List<String> mstring;
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		for (List<MethodInfo>::Element *E = methods.front(); E; E = E->next()) {
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						|
			if (E->get().name.begins_with("_"))
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				continue;
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			mstring.push_back(E->get().name.get_slice(":", 0));
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		}
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		mstring.sort();
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		String ml;
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						|
		for (List<String>::Element *E = mstring.front(); E; E = E->next()) {
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						|
			if (ml != String())
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						|
				ml += ",";
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			ml += E->get();
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		}
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		property.hint_string = ml;
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	}
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}
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void VisualScriptYieldSignal::_bind_methods() {
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						|
 | 
						|
	ClassDB::bind_method(D_METHOD("set_base_type", "base_type"), &VisualScriptYieldSignal::set_base_type);
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						|
	ClassDB::bind_method(D_METHOD("get_base_type"), &VisualScriptYieldSignal::get_base_type);
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						|
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						|
	ClassDB::bind_method(D_METHOD("set_signal", "signal"), &VisualScriptYieldSignal::set_signal);
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						|
	ClassDB::bind_method(D_METHOD("get_signal"), &VisualScriptYieldSignal::get_signal);
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						|
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						|
	ClassDB::bind_method(D_METHOD("set_call_mode", "mode"), &VisualScriptYieldSignal::set_call_mode);
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						|
	ClassDB::bind_method(D_METHOD("get_call_mode"), &VisualScriptYieldSignal::get_call_mode);
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						|
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						|
	ClassDB::bind_method(D_METHOD("set_base_path", "base_path"), &VisualScriptYieldSignal::set_base_path);
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						|
	ClassDB::bind_method(D_METHOD("get_base_path"), &VisualScriptYieldSignal::get_base_path);
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						|
 | 
						|
	String bt;
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						|
	for (int i = 0; i < Variant::VARIANT_MAX; i++) {
 | 
						|
		if (i > 0)
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						|
			bt += ",";
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						|
 | 
						|
		bt += Variant::get_type_name(Variant::Type(i));
 | 
						|
	}
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						|
 | 
						|
	ADD_PROPERTY(PropertyInfo(Variant::INT, "call_mode", PROPERTY_HINT_ENUM, "Self,Node Path,Instance"), "set_call_mode", "get_call_mode");
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						|
	ADD_PROPERTY(PropertyInfo(Variant::STRING, "base_type", PROPERTY_HINT_TYPE_STRING, "Object"), "set_base_type", "get_base_type");
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						|
	ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "node_path", PROPERTY_HINT_NODE_PATH_TO_EDITED_NODE), "set_base_path", "get_base_path");
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						|
	ADD_PROPERTY(PropertyInfo(Variant::STRING, "signal"), "set_signal", "get_signal");
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						|
 | 
						|
	BIND_ENUM_CONSTANT(CALL_MODE_SELF);
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						|
	BIND_ENUM_CONSTANT(CALL_MODE_NODE_PATH);
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						|
	BIND_ENUM_CONSTANT(CALL_MODE_INSTANCE);
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						|
}
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						|
 | 
						|
class VisualScriptNodeInstanceYieldSignal : public VisualScriptNodeInstance {
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						|
public:
 | 
						|
	VisualScriptYieldSignal::CallMode call_mode;
 | 
						|
	NodePath node_path;
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						|
	int output_args;
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						|
	StringName signal;
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						|
 | 
						|
	VisualScriptYieldSignal *node;
 | 
						|
	VisualScriptInstance *instance;
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						|
 | 
						|
	virtual int get_working_memory_size() const { return 1; }
 | 
						|
	//virtual bool is_output_port_unsequenced(int p_idx) const { return false; }
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						|
	//virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return true; }
 | 
						|
 | 
						|
	virtual int step(const Variant **p_inputs, Variant **p_outputs, StartMode p_start_mode, Variant *p_working_mem, Variant::CallError &r_error, String &r_error_str) {
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						|
 | 
						|
		if (p_start_mode == START_MODE_RESUME_YIELD) {
 | 
						|
			return 0; //resuming yield
 | 
						|
		} else {
 | 
						|
			//yield
 | 
						|
 | 
						|
			Object *object = NULL;
 | 
						|
 | 
						|
			switch (call_mode) {
 | 
						|
 | 
						|
				case VisualScriptYieldSignal::CALL_MODE_SELF: {
 | 
						|
 | 
						|
					object = instance->get_owner_ptr();
 | 
						|
 | 
						|
				} break;
 | 
						|
				case VisualScriptYieldSignal::CALL_MODE_NODE_PATH: {
 | 
						|
 | 
						|
					Node *node = Object::cast_to<Node>(instance->get_owner_ptr());
 | 
						|
					if (!node) {
 | 
						|
						r_error.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
 | 
						|
						r_error_str = "Base object is not a Node!";
 | 
						|
						return 0;
 | 
						|
					}
 | 
						|
 | 
						|
					Node *another = node->get_node(node_path);
 | 
						|
					if (!another) {
 | 
						|
						r_error.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
 | 
						|
						r_error_str = "Path does not lead Node!";
 | 
						|
						return 0;
 | 
						|
					}
 | 
						|
 | 
						|
					object = another;
 | 
						|
 | 
						|
				} break;
 | 
						|
				case VisualScriptYieldSignal::CALL_MODE_INSTANCE: {
 | 
						|
 | 
						|
					object = *p_inputs[0];
 | 
						|
					if (!object) {
 | 
						|
						r_error.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
 | 
						|
						r_error_str = "Supplied instance input is null.";
 | 
						|
						return 0;
 | 
						|
					}
 | 
						|
 | 
						|
				} break;
 | 
						|
			}
 | 
						|
 | 
						|
			Ref<VisualScriptFunctionState> state;
 | 
						|
			state.instance();
 | 
						|
 | 
						|
			state->connect_to_signal(object, signal, Array());
 | 
						|
 | 
						|
			*p_working_mem = state;
 | 
						|
 | 
						|
			return STEP_YIELD_BIT;
 | 
						|
		}
 | 
						|
	}
 | 
						|
};
 | 
						|
 | 
						|
VisualScriptNodeInstance *VisualScriptYieldSignal::instance(VisualScriptInstance *p_instance) {
 | 
						|
 | 
						|
	VisualScriptNodeInstanceYieldSignal *instance = memnew(VisualScriptNodeInstanceYieldSignal);
 | 
						|
	instance->node = this;
 | 
						|
	instance->instance = p_instance;
 | 
						|
	instance->signal = signal;
 | 
						|
	instance->call_mode = call_mode;
 | 
						|
	instance->node_path = base_path;
 | 
						|
	instance->output_args = get_output_value_port_count();
 | 
						|
	return instance;
 | 
						|
}
 | 
						|
VisualScriptYieldSignal::VisualScriptYieldSignal() {
 | 
						|
 | 
						|
	call_mode = CALL_MODE_SELF;
 | 
						|
	base_type = "Object";
 | 
						|
}
 | 
						|
 | 
						|
template <VisualScriptYieldSignal::CallMode cmode>
 | 
						|
static Ref<VisualScriptNode> create_yield_signal_node(const String &p_name) {
 | 
						|
 | 
						|
	Ref<VisualScriptYieldSignal> node;
 | 
						|
	node.instance();
 | 
						|
	node->set_call_mode(cmode);
 | 
						|
	return node;
 | 
						|
}
 | 
						|
 | 
						|
void register_visual_script_yield_nodes() {
 | 
						|
 | 
						|
	VisualScriptLanguage::singleton->add_register_func("functions/wait/wait_frame", create_yield_node<VisualScriptYield::YIELD_FRAME>);
 | 
						|
	VisualScriptLanguage::singleton->add_register_func("functions/wait/wait_physics_frame", create_yield_node<VisualScriptYield::YIELD_PHYSICS_FRAME>);
 | 
						|
	VisualScriptLanguage::singleton->add_register_func("functions/wait/wait_time", create_yield_node<VisualScriptYield::YIELD_WAIT>);
 | 
						|
 | 
						|
	VisualScriptLanguage::singleton->add_register_func("functions/yield", create_yield_node<VisualScriptYield::YIELD_RETURN>);
 | 
						|
	VisualScriptLanguage::singleton->add_register_func("functions/yield_signal", create_node_generic<VisualScriptYieldSignal>);
 | 
						|
}
 |