Method IsValidEngine

src/script/api/script_engine.cpp:27–37

static */

#include "../../safeguards.h"

/* static */ bool ScriptEngine::IsValidEngine(EngineID engine_id)
{
	EnforceDeityOrCompanyModeValid(false);
	const Engine *e = ::Engine::GetIfValid(engine_id);
	if (e == nullptr || !e->IsEnabled()) return false;

	/* AIs have only access to engines they can purchase or still have in use.
	 * Deity has access to all engined that will be or were available ever. */
	::CompanyID company = ScriptObject::GetCompany();
	return ScriptCompanyMode::IsDeity() || ::IsEngineBuildable(engine_id, e->type, company) || ::Company::Get(company)->group_all[e->type].GetNumEngines(engine_id) > 0;
}

/* static */ bool ScriptEngine::IsBuildable(EngineID engine_id)
{