122 lines
4.5 KiB
C++
122 lines
4.5 KiB
C++
/**
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* bt_call_method.cpp
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* =============================================================================
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* Copyright 2021-2023 Serhii Snitsaruk
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*
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* Use of this source code is governed by an MIT-style
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* license that can be found in the LICENSE file or at
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* https://opensource.org/licenses/MIT.
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* =============================================================================
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*/
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#include "bt_call_method.h"
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//**** Setters / Getters
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void BTCallMethod::set_method(StringName p_method_name) {
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method = p_method_name;
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emit_changed();
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}
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void BTCallMethod::set_node_param(Ref<BBNode> p_object) {
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node_param = p_object;
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emit_changed();
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if (Engine::get_singleton()->is_editor_hint() && node_param.is_valid()) {
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node_param->connect(SNAME("changed"), Callable(this, SNAME("emit_changed")));
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}
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}
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void BTCallMethod::set_include_delta(bool p_include_delta) {
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include_delta = p_include_delta;
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emit_changed();
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}
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void BTCallMethod::set_args(Array p_args) {
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args = p_args;
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emit_changed();
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}
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//**** Task Implementation
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PackedStringArray BTCallMethod::get_configuration_warnings() const {
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PackedStringArray warnings = BTAction::get_configuration_warnings();
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if (method == StringName()) {
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warnings.append("Method Name is not set.");
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}
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if (node_param.is_null()) {
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warnings.append("Node parameter is not set.");
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} else if (node_param->get_value_source() == BBParam::SAVED_VALUE && node_param->get_saved_value().is_zero()) {
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warnings.append("Path to node is not set.");
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} else if (node_param->get_value_source() == BBParam::BLACKBOARD_VAR && node_param->get_variable() == StringName()) {
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warnings.append("Node blackboard variable is not set.");
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}
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return warnings;
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}
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String BTCallMethod::_generate_name() const {
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String args_str = include_delta ? "delta" : "";
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if (args.size() > 0) {
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if (!args_str.is_empty()) {
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args_str += ", ";
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}
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args_str += Variant(args).get_construct_string().trim_prefix("[").trim_suffix("]");
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}
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return vformat("CallMethod %s(%s) node: %s",
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(method != StringName() ? method : "???"),
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args_str,
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(node_param.is_valid() && !node_param->to_string().is_empty() ? node_param->to_string() : "???"));
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}
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BT::Status BTCallMethod::_tick(double p_delta) {
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ERR_FAIL_COND_V_MSG(method == StringName(), FAILURE, "BTCallMethod: Method Name is not set.");
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ERR_FAIL_COND_V_MSG(node_param.is_null(), FAILURE, "BTCallMethod: Node parameter is not set.");
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Object *obj = node_param->get_value(get_agent(), get_blackboard());
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ERR_FAIL_COND_V_MSG(obj == nullptr, FAILURE, "BTCallMethod: Failed to get object: " + node_param->to_string());
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const Variant delta = include_delta ? Variant(p_delta) : Variant();
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const Variant **argptrs = nullptr;
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int argument_count = include_delta ? args.size() + 1 : args.size();
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if (argument_count > 0) {
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argptrs = (const Variant **)alloca(sizeof(Variant *) * argument_count);
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if (include_delta) {
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argptrs[0] = δ
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}
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for (int i = 0; i < args.size(); i++) {
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argptrs[i + int(include_delta)] = &args[i];
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}
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}
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Callable::CallError ce;
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obj->callp(method, argptrs, argument_count, ce);
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if (ce.error != Callable::CallError::CALL_OK) {
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ERR_FAIL_V_MSG(FAILURE, "BTCallMethod: Error calling method: " + Variant::get_call_error_text(obj, method, argptrs, argument_count, ce) + ".");
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}
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return SUCCESS;
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}
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//**** Godot
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void BTCallMethod::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_method", "p_method"), &BTCallMethod::set_method);
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ClassDB::bind_method(D_METHOD("get_method"), &BTCallMethod::get_method);
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ClassDB::bind_method(D_METHOD("set_node_param", "p_param"), &BTCallMethod::set_node_param);
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ClassDB::bind_method(D_METHOD("get_node_param"), &BTCallMethod::get_node_param);
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ClassDB::bind_method(D_METHOD("set_args", "p_args"), &BTCallMethod::set_args);
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ClassDB::bind_method(D_METHOD("get_args"), &BTCallMethod::get_args);
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ClassDB::bind_method(D_METHOD("set_include_delta", "p_include_delta"), &BTCallMethod::set_include_delta);
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ClassDB::bind_method(D_METHOD("is_delta_included"), &BTCallMethod::is_delta_included);
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "node", PROPERTY_HINT_RESOURCE_TYPE, "BBNode"), "set_node_param", "get_node_param");
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ADD_PROPERTY(PropertyInfo(Variant::STRING_NAME, "method"), "set_method", "get_method");
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ADD_GROUP("Arguments", "args_");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "args_include_delta"), "set_include_delta", "is_delta_included");
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ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "args"), "set_args", "get_args");
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ADD_PROPERTY_DEFAULT("args_include_delta", false);
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}
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BTCallMethod::BTCallMethod() {
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}
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