1 files changed, 68 insertions, 0 deletions
diff --git a/public/soundchars.h b/public/soundchars.h
new file mode 100644
index 0000000..cca7779
--- /dev/null
+++ b/public/soundchars.h
@@ -0,0 +1,68 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#ifndef SOUNDCHARS_H
+#define SOUNDCHARS_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#define CHAR_STREAM			'*'		// as one of 1st 2 chars in name, indicates streaming wav data
+#define CHAR_USERVOX		'?'		// as one of 1st 2 chars in name, indicates user realtime voice data
+#define CHAR_SENTENCE		'!'		// as one of 1st 2 chars in name, indicates sentence wav
+#define CHAR_DRYMIX			'#'		// as one of 1st 2 chars in name, indicates wav bypasses dsp fx
+#define CHAR_DOPPLER		'>'		// as one of 1st 2 chars in name, indicates doppler encoded stereo wav: left wav (incomming) and right wav (outgoing).
+#define CHAR_DIRECTIONAL	'<'		// as one of 1st 2 chars in name, indicates stereo wav has direction cone: mix left wav (front facing) with right wav (rear facing) based on soundfacing direction
+#define CHAR_DISTVARIANT	'^'		// as one of 1st 2 chars in name, indicates distance variant encoded stereo wav (left is close, right is far)
+#define CHAR_OMNI			'@'		// as one of 1st 2 chars in name, indicates non-directional wav (default mono or stereo)
+#define CHAR_SPATIALSTEREO	')'		// as one of 1st 2 chars in name, indicates spatialized stereo wav
+#define CHAR_FAST_PITCH		'}'		// as one of 1st 2 chars in name, forces low quality, non-interpolated pitch shift
+
+inline bool IsSoundChar(char c)
+{
+	bool b;
+
+	b = (c == CHAR_STREAM || c == CHAR_USERVOX || c == CHAR_SENTENCE || c == CHAR_DRYMIX || c == CHAR_OMNI );
+	b = b || (c == CHAR_DOPPLER || c == CHAR_DIRECTIONAL || c == CHAR_DISTVARIANT || c == CHAR_SPATIALSTEREO || c == CHAR_FAST_PITCH );
+
+	return b;
+}
+
+// return pointer to first valid character in file name
+// by skipping over CHAR_STREAM...CHAR_DRYMIX
+
+inline char *PSkipSoundChars(const char *pch)
+{
+	char *pcht = (char *)pch;
+
+	while ( 1 )
+	{
+		if (!IsSoundChar(*pcht))
+			break;
+		pcht++;
+	}
+
+	return pcht;
+}
+
+
+inline bool TestSoundChar(const char *pch, char c)
+{
+	char *pcht = (char *)pch;
+
+	while ( 1 )
+	{
+		if (!IsSoundChar(*pcht))
+			break;
+		if (*pcht == c)
+			return true;
+		pcht++;
+	}
+
+	return false;
+}
+
+#endif // SOUNDCHARS_H