OXYGENHUB
◆ main openmsx / src / input / JoyTap.cc
1.8 KiB · C++ · last changed chore(): initial commit 1 month ago source blame history raw
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#include "JoyTap.hh"
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#include "PluggingController.hh"
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#include "serialize.hh"
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#include "enumerate.hh"
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#include "strCat.hh"
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#include <array>
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namespace openmsx {
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JoyTap::JoyTap(PluggingController& pluggingController_, std::string name_)
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	: pluggingController(pluggingController_)
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	, name(std::move(name_))
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{
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}
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void JoyTap::createPorts(std::string_view description, EmuTime time)
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{
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	for (auto [i, slave] : enumerate(slaves)) {
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		slave.emplace(
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			pluggingController,
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			strCat(name, "_port_", char('1' + i)),
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			strCat(description, ' ', char('1' + i)));
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		slave->write(0, time);
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	}
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}
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zstring_view JoyTap::getDescription() const
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{
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	return "MSX Joy Tap device";
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}
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zstring_view JoyTap::getName() const
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{
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	return name;
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}
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void JoyTap::plugHelper(Connector& /*connector*/, EmuTime time)
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{
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	createPorts("Joy Tap port", time);
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}
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void JoyTap::unplugHelper(EmuTime time)
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{
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	for (auto& s : slaves) {
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		s->unplug(time);
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		s.reset();
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	}
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}
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uint8_t JoyTap::read(EmuTime time)
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{
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	uint8_t value = 255;
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	for (auto& s : slaves) {
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		value &= s->read(time);
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	}
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	return value;
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}
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void JoyTap::write(uint8_t value, EmuTime time)
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{
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	for (auto& s : slaves) {
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		s->write(value, time);
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	}
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}
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template<typename Archive>
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void JoyTap::serialize(Archive& ar, unsigned /*version*/)
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{
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	// saving only happens when plugged in
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	if constexpr (!Archive::IS_LOADER) assert(isPluggedIn());
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	// restore plugged state when loading
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	if constexpr (Archive::IS_LOADER) {
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		plugHelper(*getConnector(), pluggingController.getCurrentTime());
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	}
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	std::array<char, 6> tag = {'p', 'o', 'r', 't', 'X', 0};
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	for (auto [i, slave] : enumerate(slaves)) {
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		tag[4] = char('0' + i);
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		ar.serialize(tag.data(), *slave);
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	}
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}
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INSTANTIATE_SERIALIZE_METHODS(JoyTap);
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REGISTER_POLYMORPHIC_INITIALIZER(Pluggable, JoyTap, "JoyTap");
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} // namespace openmsx