limboai/bt/tasks/utility/bt_call_method.cpp

116 lines
4.4 KiB
C++

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