link with steam sdk and create bindings

1 files changed, 71 insertions, 0 deletions

diff --git a/steam/isteammusic.h b/steam/isteammusic.h
new file mode 100644
index 0000000..ffa49a0
--- /dev/null
+++ b/steam/isteammusic.h
@@ -0,0 +1,71 @@
+//============ Copyright (c) Valve Corporation, All rights reserved. ============
+
+#ifndef ISTEAMMUSIC_H
+#define ISTEAMMUSIC_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "steam_api_common.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+enum AudioPlayback_Status
+{
+	AudioPlayback_Undefined = 0, 
+	AudioPlayback_Playing = 1,
+	AudioPlayback_Paused = 2,
+	AudioPlayback_Idle = 3
+};
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Functions to control music playback in the steam client
+//-----------------------------------------------------------------------------
+class ISteamMusic
+{
+public:
+	virtual bool BIsEnabled() = 0;
+	virtual bool BIsPlaying() = 0;
+	
+	virtual AudioPlayback_Status GetPlaybackStatus() = 0; 
+
+	virtual void Play() = 0;
+	virtual void Pause() = 0;
+	virtual void PlayPrevious() = 0;
+	virtual void PlayNext() = 0;
+
+	// volume is between 0.0 and 1.0
+	virtual void SetVolume( float flVolume ) = 0;
+	virtual float GetVolume() = 0;
+	
+};
+
+#define STEAMMUSIC_INTERFACE_VERSION "STEAMMUSIC_INTERFACE_VERSION001"
+
+// Global interface accessor
+inline ISteamMusic *SteamMusic();
+STEAM_DEFINE_USER_INTERFACE_ACCESSOR( ISteamMusic *, SteamMusic, STEAMMUSIC_INTERFACE_VERSION );
+
+// callbacks
+#if defined( VALVE_CALLBACK_PACK_SMALL )
+#pragma pack( push, 4 )
+#elif defined( VALVE_CALLBACK_PACK_LARGE )
+#pragma pack( push, 8 )
+#else
+#error steam_api_common.h should define VALVE_CALLBACK_PACK_xxx
+#endif 
+
+
+STEAM_CALLBACK_BEGIN( PlaybackStatusHasChanged_t, k_iSteamMusicCallbacks + 1 )
+STEAM_CALLBACK_END(0)
+
+STEAM_CALLBACK_BEGIN( VolumeHasChanged_t, k_iSteamMusicCallbacks + 2 )
+ 	STEAM_CALLBACK_MEMBER( 0,	float, m_flNewVolume )
+STEAM_CALLBACK_END(1)
+
+#pragma pack( pop )
+
+
+#endif // #define ISTEAMMUSIC_H