MapChangeContext.cpp

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#include <Core/Scripts/MapChangeContext.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)(const std::string&, const std::string&, std::uint16_t, Value&);
 
void mapName(const std::string& prevMap, const std::string& newMap, std::uint16_t spawn,
             Value& result);
void previousMap(const std::string& prevMap, const std::string& newMap, std::uint16_t spawn,
                 Value& result);
void spawnId(const std::string& prevMap, const std::string& newMap, std::uint16_t spawn,
             Value& result);
 
Value bind(const std::string& prevMap, const std::string& newMap, std::uint16_t spawn,
           Builtin func) {
    return Value(Function(std::bind(func, prevMap, newMap, spawn, std::placeholders::_3)));
}
 
} // namespace
 
MapChangeContext::MapChangeContext(system::Systems& systems, const std::string& prevMap,
                                   const std::string& newMap, std::uint16_t spawn)
: systems(systems)
, prevMap(prevMap)
, newMap(newMap)
, spawn(spawn) {}
 
void MapChangeContext::addCustomSymbols(SymbolTable& table) const {
    BaseFunctions::addDefaults(table, systems);
 
    table.set("mapName", bind(prevMap, newMap, spawn, &mapName));
    table.set("previousMap", bind(prevMap, newMap, spawn, &previousMap));
    table.set("spawnId", bind(prevMap, newMap, spawn, &spawnId));
}
 
namespace
{
void mapName(const std::string&, const std::string& newMap, std::uint16_t, Value& result) {
    result = newMap;
}
 
void previousMap(const std::string& prevMap, const std::string&, std::uint16_t, Value& result) {
    result = prevMap;
}
 
void spawnId(const std::string&, const std::string&, std::uint16_t spawn, Value& result) {
    result = static_cast<float>(spawn);
}
 
} // namespace
 
} // namespace script
} // namespace core