162 lines
7.2 KiB
C++
162 lines
7.2 KiB
C++
/**
|
|
* bt_evaluate_expression.cpp
|
|
* =============================================================================
|
|
* Copyright 2021-2024 Serhii Snitsaruk
|
|
* Copyright 2024 Wilson E. Alvarez
|
|
*
|
|
* 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_evaluate_expression.h"
|
|
|
|
#include "../../../util/limbo_compat.h"
|
|
#include "../../../util/limbo_utility.h"
|
|
|
|
#ifdef LIMBOAI_GDEXTENSION
|
|
#include "godot_cpp/classes/global_constants.hpp"
|
|
#endif // LIMBOAI_GDEXTENSION
|
|
|
|
//**** Setters / Getters
|
|
|
|
void BTEvaluateExpression::set_expression_string(const String &p_expression_string) {
|
|
expression_string = p_expression_string;
|
|
emit_changed();
|
|
}
|
|
|
|
void BTEvaluateExpression::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->is_connected(LW_NAME(changed), callable_mp((Resource *)this, &Resource::emit_changed))) {
|
|
node_param->connect(LW_NAME(changed), callable_mp((Resource *)this, &Resource::emit_changed));
|
|
}
|
|
}
|
|
|
|
void BTEvaluateExpression::set_input_include_delta(bool p_input_include_delta) {
|
|
if (input_include_delta != p_input_include_delta) {
|
|
processed_input_values.resize(input_values.size() + int(p_input_include_delta));
|
|
}
|
|
input_include_delta = p_input_include_delta;
|
|
emit_changed();
|
|
}
|
|
|
|
void BTEvaluateExpression::set_input_names(const PackedStringArray &p_input_names) {
|
|
input_names = p_input_names;
|
|
emit_changed();
|
|
}
|
|
|
|
void BTEvaluateExpression::set_input_values(const TypedArray<BBVariant> &p_input_values) {
|
|
if (input_values.size() != p_input_values.size()) {
|
|
processed_input_values.resize(p_input_values.size() + int(input_include_delta));
|
|
}
|
|
input_values = p_input_values;
|
|
emit_changed();
|
|
}
|
|
|
|
void BTEvaluateExpression::set_result_var(const StringName &p_result_var) {
|
|
result_var = p_result_var;
|
|
emit_changed();
|
|
}
|
|
|
|
//**** Task Implementation
|
|
|
|
PackedStringArray BTEvaluateExpression::get_configuration_warnings() {
|
|
PackedStringArray warnings = BTAction::get_configuration_warnings();
|
|
if (expression_string.is_empty()) {
|
|
warnings.append("Expression string 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() == Variant()) {
|
|
warnings.append("Path to node is not set.");
|
|
} else if (node_param->get_value_source() == BBParam::BLACKBOARD_VAR && node_param->get_variable() == String()) {
|
|
warnings.append("Node blackboard variable is not set.");
|
|
}
|
|
return warnings;
|
|
}
|
|
|
|
void BTEvaluateExpression::_setup() {
|
|
parse();
|
|
ERR_FAIL_COND_MSG(is_parsed != Error::OK, "BTEvaluateExpression: Failed to parse expression: " + expression->get_error_text());
|
|
}
|
|
|
|
Error BTEvaluateExpression::parse() {
|
|
PackedStringArray processed_input_names;
|
|
processed_input_names.resize(input_names.size() + int(input_include_delta));
|
|
String *processed_input_names_ptr = processed_input_names.ptrw();
|
|
if (input_include_delta) {
|
|
processed_input_names_ptr[0] = "delta";
|
|
}
|
|
for (int i = 0; i < input_names.size(); ++i) {
|
|
processed_input_names_ptr[i + int(input_include_delta)] = input_names[i];
|
|
}
|
|
|
|
is_parsed = expression->parse(expression_string, processed_input_names);
|
|
return is_parsed;
|
|
}
|
|
|
|
String BTEvaluateExpression::_generate_name() {
|
|
return vformat("EvaluateExpression %s node: %s %s",
|
|
!expression_string.is_empty() ? expression_string : "???",
|
|
node_param.is_valid() && !node_param->to_string().is_empty() ? node_param->to_string() : "???",
|
|
result_var == StringName() ? "" : LimboUtility::get_singleton()->decorate_output_var(result_var));
|
|
}
|
|
|
|
BT::Status BTEvaluateExpression::_tick(double p_delta) {
|
|
ERR_FAIL_COND_V_MSG(expression_string.is_empty(), FAILURE, "BTEvaluateExpression: Expression String is not set.");
|
|
ERR_FAIL_COND_V_MSG(node_param.is_null(), FAILURE, "BTEvaluateExpression: Node parameter is not set.");
|
|
Object *obj = node_param->get_value(get_scene_root(), get_blackboard());
|
|
ERR_FAIL_COND_V_MSG(obj == nullptr, FAILURE, "BTEvaluateExpression: Failed to get object: " + node_param->to_string());
|
|
ERR_FAIL_COND_V_MSG(is_parsed != Error::OK, FAILURE, "BTEvaluateExpression: Failed to parse expression: " + expression->get_error_text());
|
|
|
|
if (input_include_delta) {
|
|
processed_input_values[0] = p_delta;
|
|
}
|
|
for (int i = 0; i < input_values.size(); ++i) {
|
|
const Ref<BBVariant> &bb_variant = input_values[i];
|
|
processed_input_values[i + int(input_include_delta)] = bb_variant->get_value(get_scene_root(), get_blackboard());
|
|
}
|
|
|
|
Variant result = expression->execute(processed_input_values, obj, false);
|
|
ERR_FAIL_COND_V_MSG(expression->has_execute_failed(), FAILURE, "BTEvaluateExpression: Failed to execute: " + expression->get_error_text());
|
|
|
|
if (result_var != StringName()) {
|
|
get_blackboard()->set_var(result_var, result);
|
|
}
|
|
|
|
return SUCCESS;
|
|
}
|
|
|
|
//**** Godot
|
|
|
|
void BTEvaluateExpression::_bind_methods() {
|
|
ClassDB::bind_method(D_METHOD("parse"), &BTEvaluateExpression::parse);
|
|
ClassDB::bind_method(D_METHOD("set_expression_string", "expression_string"), &BTEvaluateExpression::set_expression_string);
|
|
ClassDB::bind_method(D_METHOD("get_expression_string"), &BTEvaluateExpression::get_expression_string);
|
|
ClassDB::bind_method(D_METHOD("set_node_param", "param"), &BTEvaluateExpression::set_node_param);
|
|
ClassDB::bind_method(D_METHOD("get_node_param"), &BTEvaluateExpression::get_node_param);
|
|
ClassDB::bind_method(D_METHOD("set_input_names", "input_names"), &BTEvaluateExpression::set_input_names);
|
|
ClassDB::bind_method(D_METHOD("get_input_names"), &BTEvaluateExpression::get_input_names);
|
|
ClassDB::bind_method(D_METHOD("set_input_values", "input_values"), &BTEvaluateExpression::set_input_values);
|
|
ClassDB::bind_method(D_METHOD("get_input_values"), &BTEvaluateExpression::get_input_values);
|
|
ClassDB::bind_method(D_METHOD("set_input_include_delta", "input_include_delta"), &BTEvaluateExpression::set_input_include_delta);
|
|
ClassDB::bind_method(D_METHOD("is_input_delta_included"), &BTEvaluateExpression::is_input_delta_included);
|
|
ClassDB::bind_method(D_METHOD("set_result_var", "variable"), &BTEvaluateExpression::set_result_var);
|
|
ClassDB::bind_method(D_METHOD("get_result_var"), &BTEvaluateExpression::get_result_var);
|
|
|
|
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "node", PROPERTY_HINT_RESOURCE_TYPE, "BBNode"), "set_node_param", "get_node_param");
|
|
ADD_PROPERTY(PropertyInfo(Variant::STRING, "expression_string"), "set_expression_string", "get_expression_string");
|
|
ADD_PROPERTY(PropertyInfo(Variant::STRING_NAME, "result_var"), "set_result_var", "get_result_var");
|
|
ADD_GROUP("Inputs", "input_");
|
|
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "input_include_delta"), "set_input_include_delta", "is_input_delta_included");
|
|
ADD_PROPERTY(PropertyInfo(Variant::PACKED_STRING_ARRAY, "input_names", PROPERTY_HINT_ARRAY_TYPE, "String"), "set_input_names", "get_input_names");
|
|
ADD_PROPERTY(PropertyInfo(Variant::ARRAY, "input_values", PROPERTY_HINT_ARRAY_TYPE, RESOURCE_TYPE_HINT("BBVariant")), "set_input_values", "get_input_values");
|
|
}
|
|
|
|
BTEvaluateExpression::BTEvaluateExpression() {
|
|
expression.instantiate();
|
|
}
|