ConversationContext.cpp

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#include <Core/Scripts/ConversationContext.hpp>
 
#include <Core/Scripts/BaseFunctions.hpp>
#include <Core/Systems/Systems.hpp>
 
namespace core
{
namespace script
{
namespace
{
using bl::script::Function;
using bl::script::SymbolTable;
using bl::script::Value;
 
typedef void (*Builtin)(SymbolTable&, bl::ecs::Entity, const ConversationContext::StatusCb&,
                        Value&);
 
void talkingEntity(SymbolTable& table, bl::ecs::Entity entity,
                   const ConversationContext::StatusCb& cb, Value& result);
void conversationOver(SymbolTable& table, bl::ecs::Entity entity,
                      const ConversationContext::StatusCb& cb, Value& result);
void waitConversationOver(SymbolTable& table, bl::ecs::Entity entity,
                          const ConversationContext::StatusCb& cb, Value& result);
 
Value bind(bl::ecs::Entity entity, const ConversationContext::StatusCb& cb, Builtin func) {
    return Value(
        Function(std::bind(func, std::placeholders::_1, entity, cb, std::placeholders::_3)));
}
 
} // namespace
 
ConversationContext::ConversationContext(system::Systems& sys, bl::ecs::Entity owner,
                                         const StatusCb& cb)
: systems(sys)
, cb(cb)
, owner(owner) {}
 
void ConversationContext::addCustomSymbols(SymbolTable& table) const {
    BaseFunctions::addDefaults(table, systems);
    table.set("talkingEntity", bind(owner, cb, &talkingEntity));
    table.set("conversationOver", bind(owner, cb, &conversationOver));
    table.set("waitConversationOver", bind(owner, cb, &waitConversationOver));
}
 
namespace
{
void talkingEntity(SymbolTable&, bl::ecs::Entity entity, const ConversationContext::StatusCb&,
                   Value& res) {
    res = static_cast<float>(entity);
}
 
void conversationOver(SymbolTable&, bl::ecs::Entity entity, const ConversationContext::StatusCb& cb,
                      Value& res) {
    res = cb(entity);
}
 
void waitConversationOver(SymbolTable& table, bl::ecs::Entity entity,
                          const ConversationContext::StatusCb& cb, Value&) {
    while (!cb(entity)) { table.waitFor(100); }
}
 
} // namespace
 
} // namespace script
} // namespace core