From a4b94cd848bdffe238b17187a1d99338a04ff3f3 Mon Sep 17 00:00:00 2001
From: Miku AuahDark <lumi.hotaru@gmail.com>
Date: Mon, 5 Dec 2022 15:28:44 +0800
Subject: [PATCH] Add love.sensor.getName(sensorType)

---
 src/modules/sensor/Sensor.h        |  2 ++
 src/modules/sensor/sdl/Sensor.cpp  | 13 +++++++++++++
 src/modules/sensor/sdl/Sensor.h    |  1 +
 src/modules/sensor/wrap_Sensor.cpp | 11 +++++++++++
 4 files changed, 27 insertions(+)

diff --git a/src/modules/sensor/Sensor.h b/src/modules/sensor/Sensor.h
index 9b6b64cff..41671f4dd 100644
--- a/src/modules/sensor/Sensor.h
+++ b/src/modules/sensor/Sensor.h
@@ -71,6 +71,8 @@ public:
 	 **/
 	virtual std::vector<void *> getHandles() = 0;
 
+	virtual const char *getSensorName(SensorType type) = 0;
+
 	STRINGMAP_CLASS_DECLARE(SensorType);
 
 }; // Sensor
diff --git a/src/modules/sensor/sdl/Sensor.cpp b/src/modules/sensor/sdl/Sensor.cpp
index a1eda40e5..629f3ebdf 100644
--- a/src/modules/sensor/sdl/Sensor.cpp
+++ b/src/modules/sensor/sdl/Sensor.cpp
@@ -124,6 +124,19 @@ std::vector<void*> Sensor::getHandles()
 	return nativeSensor;
 }
 
+const char *Sensor::getSensorName(SensorType type)
+{
+	if (sensors[type] == nullptr)
+	{
+		const char *name = nullptr;
+		getConstant(type, name);
+
+		throw love::Exception("\"%s\" sensor is not enabled", name);
+	}
+
+	return SDL_SensorGetName(sensors[type]);
+}
+
 Sensor::SensorType Sensor::convert(SDL_SensorType type)
 {
 	switch (type)
diff --git a/src/modules/sensor/sdl/Sensor.h b/src/modules/sensor/sdl/Sensor.h
index b3654cf82..9dc9f6a8f 100644
--- a/src/modules/sensor/sdl/Sensor.h
+++ b/src/modules/sensor/sdl/Sensor.h
@@ -51,6 +51,7 @@ public:
 	void setEnabled(SensorType type, bool enable) override;
 	std::vector<float> getData(SensorType type) override;
 	std::vector<void*> getHandles() override;
+	const char *getSensorName(SensorType type) override;
 
 	static SensorType convert(SDL_SensorType type);
 
diff --git a/src/modules/sensor/wrap_Sensor.cpp b/src/modules/sensor/wrap_Sensor.cpp
index 4c41178e7..99528af7e 100644
--- a/src/modules/sensor/wrap_Sensor.cpp
+++ b/src/modules/sensor/wrap_Sensor.cpp
@@ -78,6 +78,16 @@ static int w_getData(lua_State *L)
 	return data.size();
 }
 
+static int w_getName(lua_State *L)
+{
+	Sensor::SensorType type = luax_checksensortype(L, 1);
+	const char *name = nullptr;
+
+	luax_catchexcept(L, [&](){ name = instance()->getSensorName(type); });
+	lua_pushstring(L, name);
+	return 1;
+}
+
 static const luaL_Reg functions[] =
 {
 	{ "isAvailable", w_isAvailable },
@@ -85,6 +95,7 @@ static const luaL_Reg functions[] =
 	{ "isEnabled", w_isEnabled },
 	{ "setEnabled", w_setEnabled },
 	{ "getData", w_getData },
+	{ "getName", w_getName },
 	{ nullptr, nullptr }
 };