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Bind input to Lua

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wheremyfoodat 2024-02-22 19:41:18 +02:00 • committed by GitHub
parent 89a800da8e
commit 4b46b6ebf9
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1 changed files with 58 additions and 0 deletions
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58
src/lua.cpp
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@ -175,6 +175,34 @@ static int loadROMThunk(lua_State* L) {
return 1;
}
static int getButtonsThunk(lua_State* L) {
auto buttons = LuaManager::g_emulator->getServiceManager().getHID().getOldButtons();
lua_pushinteger(L, static_cast<lua_Integer>(buttons));
return 1;
}
static int getCirclepadThunk(lua_State* L) {
auto& hid = LuaManager::g_emulator->getServiceManager().getHID();
s16 x = hid.getCirclepadX();
s16 y = hid.getCirclepadY();
lua_pushinteger(L, static_cast<lua_Number>(x));
lua_pushinteger(L, static_cast<lua_Number>(y));
return 2;
}
static int getButtonThunk(lua_State* L) {
auto& hid = LuaManager::g_emulator->getServiceManager().getHID();
// This function accepts a mask. You can use it to check if one or more buttons are pressed at a time
const u32 mask = (u32)lua_tonumber(L, 1);
const bool result = (hid.getOldButtons() & mask) == mask;
// Return whether the selected buttons are all pressed
lua_pushboolean(L, result ? 1 : 0);
return 1;
}
// clang-format off
static constexpr luaL_Reg functions[] = {
{ "__read8", read8Thunk },
@ -190,6 +218,9 @@ static constexpr luaL_Reg functions[] = {
{ "__resume", resumeThunk},
{ "__reset", resetThunk},
{ "__loadROM", loadROMThunk},
{ "__getButtons", getButtonsThunk},
{ "__getCirclepad", getCirclepadThunk},
{ "__getButton", getButtonThunk},
{ nullptr, nullptr },
};
// clang-format on
@ -219,7 +250,21 @@ void LuaManager::initializeThunks() {
reset = function() GLOBALS.__reset() end,
loadROM = function(path) return GLOBALS.__loadROM(path) end,
getButtons = function() return GLOBALS.__getButtons() end,
getButton = function(button) return GLOBALS.__getButton(button) end,
getCirclepad = function() return GLOBALS.__getCirclepad() end,
Frame = __Frame,
ButtonA = __ButtonA,
ButtonB = __ButtonB,
ButtonX = __ButtonX,
ButtonY = __ButtonY,
ButtonL = __ButtonL,
ButtonR = __ButtonR,
ButtonUp = __ButtonUp,
ButtonDown = __ButtonDown,
ButtonLeft = __ButtonLeft,
ButtonRight= __ButtonRight,
}
)";
@ -229,8 +274,21 @@ void LuaManager::initializeThunks() {
};
luaL_register(L, "GLOBALS", functions);
// Add values for event enum
addIntConstant(LuaEvent::Frame, "__Frame");
// Add enums for 3DS keys
addIntConstant(HID::Keys::A, "__ButtonA");
addIntConstant(HID::Keys::B, "__ButtonB");
addIntConstant(HID::Keys::X, "__ButtonX");
addIntConstant(HID::Keys::Y, "__ButtonY");
addIntConstant(HID::Keys::Up, "__ButtonUp");
addIntConstant(HID::Keys::Down, "__ButtonDown");
addIntConstant(HID::Keys::Left, "__ButtonLeft");
addIntConstant(HID::Keys::Right, "__ButtonRight");
addIntConstant(HID::Keys::L, "__ButtonL");
addIntConstant(HID::Keys::R, "__ButtonR");
// Call our Lua runtime initialization before any Lua script runs
luaL_loadstring(L, runtimeInit);
int ret = lua_pcall(L, 0, 0, 0); // tell Lua to run the script