From 2a6afc499950aa52dd322bb0672308cca2130121 Mon Sep 17 00:00:00 2001
From: bjorn <tie.372@gmail.com>
Date: Sun, 26 Feb 2017 13:14:15 -0800
Subject: [PATCH] lovr.audio.isSpatialized;

---
 src/audio/audio.c | 7 ++++++-
 src/audio/audio.h | 2 ++
 src/lovr/audio.c  | 6 ++++++
 src/lovr/audio.h  | 1 +
 4 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/audio/audio.c b/src/audio/audio.c
index 0b95efe5..1e4e3d63 100644
--- a/src/audio/audio.c
+++ b/src/audio/audio.c
@@ -22,8 +22,9 @@ void lovrAudioInit() {
   }
 
   alcResetDeviceSOFT = (LPALCRESETDEVICESOFT) alcGetProcAddress(device, "alcResetDeviceSOFT");
+  state.isSpatialized = alcIsExtensionPresent(device, "ALC_SOFT_HRTF");
 
-  if (alcIsExtensionPresent(device, "ALC_SOFT_HRTF")) {
+  if (state.isSpatialized) {
     ALCint attrs[3] = { ALC_HRTF_SOFT, ALC_TRUE, 0 };
     alcResetDeviceSOFT(device, attrs);
   }
@@ -106,6 +107,10 @@ int lovrAudioHas(Source* source) {
   return index >= 0;
 }
 
+int lovrAudioIsSpatialized(Source* source) {
+  return state.isSpatialized;
+}
+
 void lovrAudioPause() {
   int i; Source* source;
   vec_foreach(&state.sources, source, i) {
diff --git a/src/audio/audio.h b/src/audio/audio.h
index 42cf7220..cdb5c648 100644
--- a/src/audio/audio.h
+++ b/src/audio/audio.h
@@ -10,6 +10,7 @@ typedef struct {
   ALCdevice* device;
   ALCcontext* context;
   vec_void_t sources;
+  int isSpatialized;
   float orientation[4];
   float position[3];
   float velocity[4];
@@ -25,6 +26,7 @@ void lovrAudioGetPosition(float* x, float* y, float* z);
 void lovrAudioGetVelocity(float* x, float* y, float* z);
 float lovrAudioGetVolume();
 int lovrAudioHas(Source* source);
+int lovrAudioIsSpatialized();
 void lovrAudioPause();
 void lovrAudioResume();
 void lovrAudioRewind();
diff --git a/src/lovr/audio.c b/src/lovr/audio.c
index fba2b22c..03940d8f 100644
--- a/src/lovr/audio.c
+++ b/src/lovr/audio.c
@@ -12,6 +12,7 @@ const luaL_Reg lovrAudio[] = {
   { "getPosition", l_lovrAudioGetPosition },
   { "getVelocity", l_lovrAudioGetVelocity },
   { "getVolume", l_lovrAudioGetVolume },
+  { "isSpatialized", l_lovrAudioIsSpatialized },
   { "newSource", l_lovrAudioNewSource },
   { "pause", l_lovrAudioPause },
   { "resume", l_lovrAudioResume },
@@ -84,6 +85,11 @@ int l_lovrAudioGetVolume(lua_State* L) {
   return 1;
 }
 
+int l_lovrAudioIsSpatialized(lua_State* L) {
+  lua_pushnumber(L, lovrAudioIsSpatialized());
+  return 1;
+}
+
 int l_lovrAudioNewSource(lua_State* L) {
   const char* filename = luaL_checkstring(L, 1);
   if (!strstr(filename, ".ogg")) {
diff --git a/src/lovr/audio.h b/src/lovr/audio.h
index e32d6442..a82234a0 100644
--- a/src/lovr/audio.h
+++ b/src/lovr/audio.h
@@ -11,6 +11,7 @@ int l_lovrAudioGetOrientation(lua_State* L);
 int l_lovrAudioGetPosition(lua_State* L);
 int l_lovrAudioGetVelocity(lua_State* L);
 int l_lovrAudioGetVolume(lua_State* L);
+int l_lovrAudioIsSpatialized(lua_State* L);
 int l_lovrAudioNewSource(lua_State* L);
 int l_lovrAudioPause(lua_State* L);
 int l_lovrAudioResume(lua_State* L);