33 lines
975 B
C++
33 lines
975 B
C++
/* bb_node.cpp */
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#include "bb_node.h"
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#include "core/error/error_macros.h"
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#include "core/variant/variant.h"
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#include "scene/main/node.h"
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Variant BBNode::get_value(Object *p_agent, const Ref<Blackboard> &p_blackboard, const Variant &p_default) {
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ERR_FAIL_COND_V(p_agent == nullptr, Variant());
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ERR_FAIL_COND_V(!p_blackboard.is_valid(), Variant());
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Variant val;
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if (get_value_source() == SAVED_VALUE) {
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val = get_saved_value();
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} else {
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val = p_blackboard->get_var(get_variable(), p_default);
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}
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if (val.get_type() == Variant::NODE_PATH) {
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Node *agent = Object::cast_to<Node>(p_agent);
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ERR_FAIL_COND_V_MSG(agent == nullptr, Variant(), "BBNode: p_agent must be a Node.");
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return agent->get_node(val);
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} else {
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Node *node = Object::cast_to<Node>(val);
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if (unlikely(node == nullptr && val.get_type() != Variant::NIL)) {
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WARN_PRINT("BBNode: Unexpected variant type of a blackboard variable.");
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return p_default;
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} else {
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return node;
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}
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}
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}
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