X-Git-Url: http://git.mutantstargoat.com?p=faros-demo;a=blobdiff_plain;f=src%2Ftrack.h;fp=src%2Ftrack.h;h=b80562ee2df2351680ee1b195f231ffb90fb8166;hp=0000000000000000000000000000000000000000;hb=d60954c471d6f446523bad8c4c4860aa2138da1e;hpb=6917510e2aff5fa6599065c684a344a24e42123d

diff --git a/src/track.h b/src/track.h
new file mode 100644
index 0000000..b80562e
--- /dev/null
+++ b/src/track.h
@@ -0,0 +1,45 @@
+#ifndef TRACK_H_
+#define TRACK_H_
+
+#include <vector>
+
+enum InterpMode {
+	INTERP_STEP,
+	INTERP_LINEAR,
+	INTERP_SIGMOID
+};
+
+enum ExtrapMode {
+	EXTRAP_CLAMP,
+	EXTRAP_REPEAT
+};
+
+struct TrackKey {
+	long time;
+	float value;
+};
+
+class Track {
+private:
+	std::vector<TrackKey> keys;
+	mutable bool keys_sorted;
+
+	int get_interval(long tm) const;
+
+public:
+	InterpMode interp;
+	ExtrapMode extrap;
+	float defval;
+
+	Track();
+
+	void clear();
+
+	void set_key(long tm, float val);
+	float get_key(long tm) const;
+	int find_key(long tm) const;
+
+	float operator ()(long tm) const;
+};
+
+#endif	/* TRACK_H_ */