/*************************************************************************/ /* visual_script_yield_nodes.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). */ /* */ /* 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. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #include "visual_script_yield_nodes.h" #include "core/os/os.h" #include "scene/main/node.h" #include "scene/main/scene_tree.h" #include "visual_script_nodes.h" ////////////////////////////////////////// ////////////////YIELD/////////// ////////////////////////////////////////// int VisualScriptYield::get_output_sequence_port_count() const { return 1; } bool VisualScriptYield::has_input_sequence_port() const { return true; } int VisualScriptYield::get_input_value_port_count() const { return 0; } int VisualScriptYield::get_output_value_port_count() const { return 0; } String VisualScriptYield::get_output_sequence_port_text(int p_port) const { return String(); } PropertyInfo VisualScriptYield::get_input_value_port_info(int p_idx) const { return PropertyInfo(); } PropertyInfo VisualScriptYield::get_output_value_port_info(int p_idx) const { return PropertyInfo(); } String VisualScriptYield::get_caption() const { return yield_mode == YIELD_RETURN ? "Yield" : "Wait"; } String VisualScriptYield::get_text() const { switch (yield_mode) { case YIELD_RETURN: return ""; break; case YIELD_FRAME: return "Next Frame"; break; case YIELD_PHYSICS_FRAME: return "Next Physics Frame"; break; case YIELD_WAIT: return rtos(wait_time) + " sec(s)"; break; } return String(); } class VisualScriptNodeInstanceYield : public VisualScriptNodeInstance { public: VisualScriptYield::YieldMode mode; float wait_time; virtual int get_working_memory_size() const { return 1; } //yield needs at least 1 //virtual bool is_output_port_unsequenced(int p_idx) const { return false; } //virtual bool get_output_port_unsequenced(int p_idx,Variant* r_value,Variant* p_working_mem,String &r_error) const { return false; } virtual int step(const Variant **p_inputs, Variant **p_outputs, StartMode p_start_mode, Variant *p_working_mem, Callable::CallError &r_error, String &r_error_str) { if (p_start_mode == START_MODE_RESUME_YIELD) { return 0; //resuming yield } else { //yield SceneTree *tree = Object::cast_to<SceneTree>(OS::get_singleton()->get_main_loop()); if (!tree) { r_error_str = "Main Loop is not SceneTree"; r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD; return 0; } Ref<VisualScriptFunctionState> state; state.instance(); int ret = STEP_YIELD_BIT; switch (mode) { case VisualScriptYield::YIELD_RETURN: ret = STEP_EXIT_FUNCTION_BIT; break; //return the yield case VisualScriptYield::YIELD_FRAME: state->connect_to_signal(tree, "idle_frame", Array()); break; case VisualScriptYield::YIELD_PHYSICS_FRAME: state->connect_to_signal(tree, "physics_frame", Array()); break; case VisualScriptYield::YIELD_WAIT: state->connect_to_signal(tree->create_timer(wait_time).ptr(), "timeout", Array()); break; } *p_working_mem = state; return ret; } } }; VisualScriptNodeInstance *VisualScriptYield::instance(VisualScriptInstance *p_instance) { VisualScriptNodeInstanceYield *instance = memnew(VisualScriptNodeInstanceYield); //instance->instance=p_instance; instance->mode = yield_mode; instance->wait_time = wait_time; return instance; } void VisualScriptYield::set_yield_mode(YieldMode p_mode) { if (yield_mode == p_mode) { return; } yield_mode = p_mode; ports_changed_notify(); notify_property_list_changed(); } VisualScriptYield::YieldMode VisualScriptYield::get_yield_mode() { return yield_mode; } void VisualScriptYield::set_wait_time(float p_time) { if (wait_time == p_time) { return; } wait_time = p_time; ports_changed_notify(); } float VisualScriptYield::get_wait_time() { return wait_time; } void VisualScriptYield::_validate_property(PropertyInfo &property) const { if (property.name == "wait_time") { if (yield_mode != YIELD_WAIT) { property.usage = 0; } } } void VisualScriptYield::_bind_methods() { ClassDB::bind_method(D_METHOD("set_yield_mode", "mode"), &VisualScriptYield::set_yield_mode); ClassDB::bind_method(D_METHOD("get_yield_mode"), &VisualScriptYield::get_yield_mode); ClassDB::bind_method(D_METHOD("set_wait_time", "sec"), &VisualScriptYield::set_wait_time); ClassDB::bind_method(D_METHOD("get_wait_time"), &VisualScriptYield::get_wait_time); ADD_PROPERTY(PropertyInfo(Variant::INT, "mode", PROPERTY_HINT_ENUM, "Frame,Physics Frame,Time", PROPERTY_USAGE_NOEDITOR), "set_yield_mode", "get_yield_mode"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "wait_time"), "set_wait_time", "get_wait_time"); BIND_ENUM_CONSTANT(YIELD_FRAME); BIND_ENUM_CONSTANT(YIELD_PHYSICS_FRAME); BIND_ENUM_CONSTANT(YIELD_WAIT); } VisualScriptYield::VisualScriptYield() { yield_mode = YIELD_FRAME; wait_time = 1; } template <VisualScriptYield::YieldMode MODE> static Ref<VisualScriptNode> create_yield_node(const String &p_name) { Ref<VisualScriptYield> node; node.instance(); node->set_yield_mode(MODE); return node; } /////////////////////////////////////////////////// ////////////////YIELD SIGNAL////////////////////// ////////////////////////////////////////////////// int VisualScriptYieldSignal::get_output_sequence_port_count() const { return 1; } bool VisualScriptYieldSignal::has_input_sequence_port() const { return true; } #ifdef TOOLS_ENABLED static Node *_find_script_node(Node *p_edited_scene, Node *p_current_node, const Ref<Script> &script) { if (p_edited_scene != p_current_node && p_current_node->get_owner() != p_edited_scene) { return nullptr; } Ref<Script> scr = p_current_node->get_script(); if (scr.is_valid() && scr == script) { return p_current_node; } for (int i = 0; i < p_current_node->get_child_count(); i++) { Node *n = _find_script_node(p_edited_scene, p_current_node->get_child(i), script); if (n) { return n; } } return nullptr; } #endif Node *VisualScriptYieldSignal::_get_base_node() const { #ifdef TOOLS_ENABLED Ref<Script> script = get_visual_script(); if (!script.is_valid()) { return nullptr; } MainLoop *main_loop = OS::get_singleton()->get_main_loop(); SceneTree *scene_tree = Object::cast_to<SceneTree>(main_loop); if (!scene_tree) { return nullptr; } Node *edited_scene = scene_tree->get_edited_scene_root(); if (!edited_scene) { return nullptr; } Node *script_node = _find_script_node(edited_scene, edited_scene, script); if (!script_node) { return nullptr; } if (!script_node->has_node(base_path)) { return nullptr; } Node *path_to = script_node->get_node(base_path); return path_to; #else return nullptr; #endif } StringName VisualScriptYieldSignal::_get_base_type() const { if (call_mode == CALL_MODE_SELF && get_visual_script().is_valid()) { return get_visual_script()->get_instance_base_type(); } else if (call_mode == CALL_MODE_NODE_PATH && get_visual_script().is_valid()) { Node *path = _get_base_node(); if (path) { return path->get_class(); } } return base_type; } int VisualScriptYieldSignal::get_input_value_port_count() const { if (call_mode == CALL_MODE_INSTANCE) { return 1; } else { return 0; } } int VisualScriptYieldSignal::get_output_value_port_count() const { MethodInfo sr; if (!ClassDB::get_signal(_get_base_type(), signal, &sr)) { return 0; } return sr.arguments.size(); } String VisualScriptYieldSignal::get_output_sequence_port_text(int p_port) const { return String(); } PropertyInfo VisualScriptYieldSignal::get_input_value_port_info(int p_idx) const { if (call_mode == CALL_MODE_INSTANCE) { return PropertyInfo(Variant::OBJECT, "instance"); } else { return PropertyInfo(); } } PropertyInfo VisualScriptYieldSignal::get_output_value_port_info(int p_idx) const { MethodInfo sr; if (!ClassDB::get_signal(_get_base_type(), signal, &sr)) { return PropertyInfo(); //no signal } ERR_FAIL_INDEX_V(p_idx, sr.arguments.size(), PropertyInfo()); return sr.arguments[p_idx]; } String VisualScriptYieldSignal::get_caption() const { static const char *cname[3] = { "WaitSignal", "WaitNodeSignal", "WaitInstanceSigna;", }; return cname[call_mode]; } String VisualScriptYieldSignal::get_text() const { if (call_mode == CALL_MODE_SELF) { return " " + String(signal) + "()"; } else { return " " + _get_base_type() + "." + String(signal) + "()"; } } void VisualScriptYieldSignal::set_base_type(const StringName &p_type) { if (base_type == p_type) { return; } base_type = p_type; notify_property_list_changed(); ports_changed_notify(); } StringName VisualScriptYieldSignal::get_base_type() const { return base_type; } void VisualScriptYieldSignal::set_signal(const StringName &p_type) { if (signal == p_type) { return; } signal = p_type; notify_property_list_changed(); ports_changed_notify(); } StringName VisualScriptYieldSignal::get_signal() const { return signal; } void VisualScriptYieldSignal::set_base_path(const NodePath &p_type) { if (base_path == p_type) { return; } base_path = p_type; notify_property_list_changed(); ports_changed_notify(); } NodePath VisualScriptYieldSignal::get_base_path() const { return base_path; } void VisualScriptYieldSignal::set_call_mode(CallMode p_mode) { if (call_mode == p_mode) { return; } call_mode = p_mode; notify_property_list_changed(); ports_changed_notify(); } VisualScriptYieldSignal::CallMode VisualScriptYieldSignal::get_call_mode() const { return call_mode; } void VisualScriptYieldSignal::_validate_property(PropertyInfo &property) const { if (property.name == "base_type") { if (call_mode != CALL_MODE_INSTANCE) { property.usage = PROPERTY_USAGE_NOEDITOR; } } if (property.name == "node_path") { if (call_mode != CALL_MODE_NODE_PATH) { property.usage = 0; } else { Node *bnode = _get_base_node(); if (bnode) { property.hint_string = bnode->get_path(); //convert to long string } } } if (property.name == "signal") { property.hint = PROPERTY_HINT_ENUM; List<MethodInfo> methods; ClassDB::get_signal_list(_get_base_type(), &methods); List<String> mstring; for (List<MethodInfo>::Element *E = methods.front(); E; E = E->next()) { if (E->get().name.begins_with("_")) { continue; } mstring.push_back(E->get().name.get_slice(":", 0)); } mstring.sort(); String ml; for (List<String>::Element *E = mstring.front(); E; E = E->next()) { if (ml != String()) { ml += ","; } ml += E->get(); } property.hint_string = ml; } } void VisualScriptYieldSignal::_bind_methods() { ClassDB::bind_method(D_METHOD("set_base_type", "base_type"), &VisualScriptYieldSignal::set_base_type); ClassDB::bind_method(D_METHOD("get_base_type"), &VisualScriptYieldSignal::get_base_type); ClassDB::bind_method(D_METHOD("set_signal", "signal"), &VisualScriptYieldSignal::set_signal); ClassDB::bind_method(D_METHOD("get_signal"), &VisualScriptYieldSignal::get_signal); ClassDB::bind_method(D_METHOD("set_call_mode", "mode"), &VisualScriptYieldSignal::set_call_mode); ClassDB::bind_method(D_METHOD("get_call_mode"), &VisualScriptYieldSignal::get_call_mode); ClassDB::bind_method(D_METHOD("set_base_path", "base_path"), &VisualScriptYieldSignal::set_base_path); ClassDB::bind_method(D_METHOD("get_base_path"), &VisualScriptYieldSignal::get_base_path); String bt; for (int i = 0; i < Variant::VARIANT_MAX; i++) { if (i > 0) { bt += ","; } bt += Variant::get_type_name(Variant::Type(i)); } ADD_PROPERTY(PropertyInfo(Variant::INT, "call_mode", PROPERTY_HINT_ENUM, "Self,Node Path,Instance"), "set_call_mode", "get_call_mode"); ADD_PROPERTY(PropertyInfo(Variant::STRING, "base_type", PROPERTY_HINT_TYPE_STRING, "Object"), "set_base_type", "get_base_type"); ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH, "node_path", PROPERTY_HINT_NODE_PATH_TO_EDITED_NODE), "set_base_path", "get_base_path"); ADD_PROPERTY(PropertyInfo(Variant::STRING, "signal"), "set_signal", "get_signal"); BIND_ENUM_CONSTANT(CALL_MODE_SELF); BIND_ENUM_CONSTANT(CALL_MODE_NODE_PATH); BIND_ENUM_CONSTANT(CALL_MODE_INSTANCE); } class VisualScriptNodeInstanceYieldSignal : public VisualScriptNodeInstance { public: VisualScriptYieldSignal::CallMode call_mode; NodePath node_path; int output_args; StringName signal; VisualScriptYieldSignal *node; VisualScriptInstance *instance; virtual int get_working_memory_size() const { return 1; } //virtual bool is_output_port_unsequenced(int p_idx) const { return false; } //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, Callable::CallError &r_error, String &r_error_str) { if (p_start_mode == START_MODE_RESUME_YIELD) { return 0; //resuming yield } else { //yield Object *object = nullptr; 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 = Callable::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 = Callable::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 = Callable::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>); }