Restructure protobuf/add annotations

rbproto/shot.proto

@@ -2,26 +2,53 @@ syntax = "proto3";
 
 package serialized_shot;
 
+message Box {
+	float left = 1;
+	float top = 2;
+	float width = 3;
+	float height = 4;
+}
+
 message Point {
   float x = 1;
   float y = 2;
-  int32 count = 3;
+}
+
+message BallDetection {
+	Point plane_position = 1;
+	Box annotation = 2;
+	bool interpolated = 3;
+}
+
+message RLEBallDetection {
+	BallDetection detection = 1;
+	uint32 count = 2;
+}
+
+message RLEDetectionHistory {
+  repeated RLEBallDetection detections = 1;
+}
+
+message DetectionHistory {
+  repeated BallDetection detections = 1;
 }
 
 message Path {
-  int32 start_frame = 1;
-  int32 end_frame = 2;
-  bool is_static = 3;
-  repeated Point points = 4;
+  uint32 start_frame = 1;
+  uint32 end_frame = 2;
+  oneof detection_history {
+	DetectionHistory detections = 3;
+	RLEDetectionHistory rle_detections = 4;
+	bool not_present = 5;
+  }
+  bool is_static = 6;
 }
 
-message BallPaths {
-  int32 ball_identifier = 1;
+message IdentifierHistory {
+  uint32 ball_identifier = 1;
   repeated Path paths = 2;
 }
 
 message Shot {
-  int32 start_frame = 1;
-  int32 end_frame = 2;
-  repeated BallPaths ball_paths = 3;
-}
+  repeated IdentifierHistory identifier_histories = 3;
+}