1 files changed, 131 insertions, 0 deletions
diff --git a/al/source.h b/al/source.h
new file mode 100644
index 00000000..c9892398
--- /dev/null
+++ b/al/source.h
@@ -0,0 +1,131 @@
+#ifndef AL_SOURCE_H
+#define AL_SOURCE_H
+
+#include <array>
+#include <atomic>
+#include <cstddef>
+
+#include "AL/al.h"
+#include "AL/alc.h"
+
+#include "alcontext.h"
+#include "alnumeric.h"
+#include "alu.h"
+#include "vector.h"
+
+struct ALbuffer;
+struct ALeffectslot;
+
+
+#define DEFAULT_SENDS  2
+
+
+struct ALbufferlistitem {
+    std::atomic<ALbufferlistitem*> next;
+    ALsizei max_samples;
+    ALsizei num_buffers;
+    ALbuffer *buffers[];
+
+    static constexpr size_t Sizeof(size_t num_buffers) noexcept
+    {
+        return maxz(offsetof(ALbufferlistitem, buffers) + sizeof(ALbuffer*)*num_buffers,
+            sizeof(ALbufferlistitem));
+    }
+};
+
+
+struct ALsource {
+    /** Source properties. */
+    ALfloat   Pitch;
+    ALfloat   Gain;
+    ALfloat   OuterGain;
+    ALfloat   MinGain;
+    ALfloat   MaxGain;
+    ALfloat   InnerAngle;
+    ALfloat   OuterAngle;
+    ALfloat   RefDistance;
+    ALfloat   MaxDistance;
+    ALfloat   RolloffFactor;
+    std::array<ALfloat,3> Position;
+    std::array<ALfloat,3> Velocity;
+    std::array<ALfloat,3> Direction;
+    std::array<ALfloat,3> OrientAt;
+    std::array<ALfloat,3> OrientUp;
+    ALboolean HeadRelative;
+    ALboolean Looping;
+    DistanceModel mDistanceModel;
+    Resampler mResampler;
+    ALboolean DirectChannels;
+    SpatializeMode mSpatialize;
+
+    ALboolean DryGainHFAuto;
+    ALboolean WetGainAuto;
+    ALboolean WetGainHFAuto;
+    ALfloat   OuterGainHF;
+
+    ALfloat AirAbsorptionFactor;
+    ALfloat RoomRolloffFactor;
+    ALfloat DopplerFactor;
+
+    /* NOTE: Stereo pan angles are specified in radians, counter-clockwise
+     * rather than clockwise.
+     */
+    std::array<ALfloat,2> StereoPan;
+
+    ALfloat Radius;
+
+    /** Direct filter and auxiliary send info. */
+    struct {
+        ALfloat Gain;
+        ALfloat GainHF;
+        ALfloat HFReference;
+        ALfloat GainLF;
+        ALfloat LFReference;
+    } Direct;
+    struct SendData {
+        ALeffectslot *Slot;
+        ALfloat Gain;
+        ALfloat GainHF;
+        ALfloat HFReference;
+        ALfloat GainLF;
+        ALfloat LFReference;
+    };
+    al::vector<SendData> Send;
+
+    /**
+     * Last user-specified offset, and the offset type (bytes, samples, or
+     * seconds).
+     */
+    ALdouble Offset;
+    ALenum   OffsetType;
+
+    /** Source type (static, streaming, or undetermined) */
+    ALint SourceType;
+
+    /** Source state (initial, playing, paused, or stopped) */
+    ALenum state;
+
+    /** Source Buffer Queue head. */
+    ALbufferlistitem *queue;
+
+    std::atomic_flag PropsClean;
+
+    /* Index into the context's Voices array. Lazily updated, only checked and
+     * reset when looking up the voice.
+     */
+    ALint VoiceIdx;
+
+    /** Self ID */
+    ALuint id;
+
+
+    ALsource(ALsizei num_sends);
+    ~ALsource();
+
+    ALsource(const ALsource&) = delete;
+    ALsource& operator=(const ALsource&) = delete;
+};
+
+void UpdateAllSourceProps(ALCcontext *context);
+
+#endif