feat: send car configuration at startime

pkg/simulator/simulator.go

@@ -1,7 +1,18 @@
 package simulator
 
+const(
+	MsgTypeControl =  "control"
+	MsgTypeTelemetry =  "telemetry"
+	MsgTypeCarConfig =  "car_config"
+	MsgTypeCarLoaded =  "car_loaded"
+)
+
+type Msg struct {
+	MsgType string `json:"msg_type"`
+}
+
 type TelemetryMsg struct {
-	MsgType       string  `json:"msg_type"`
+	MsgType string `json:"msg_type"`
 	SteeringAngle float64 `json:"steering_angle"`
 	Throttle      float64 `json:"throttle"`
 	Speed         float64 `json:"speed"`
@@ -16,8 +27,75 @@ type TelemetryMsg struct {
 
 /* Json msg used to control cars. MsgType must be filled with "control" */
 type ControlMsg struct {
-	MsgType  string  `json:"msg_type"`
-	Steering float32 `json:"steering"`
-	Throttle float32 `json:"throttle"`
-	Brake    float32 `json:"brake"`
+	MsgType string `json:"msg_type"`
+	Steering string `json:"steering"`
+	Throttle string `json:"throttle"`
+	Brake    string `json:"brake"`
+}
+
+type GetSceneNamesMsg struct {
+	MsgType string `json:"msg_type"`
+	SceneName string `json:"scene_name"`
+}
+
+type LoadSceneMsg struct {
+	MsgType string `json:"msg_type"`
+	SceneName string `json:"scene_name"`
+}
+
+const(
+	CarConfigBodyStyleDonkey = "donkey"
+	CarConfigBodyStyleBare = "bare"
+	CarConfigBodyStyleCar01 = "car01"
+)
+/*
+	# body_style = "donkey" | "bare" | "car01" choice of string
+	# body_rgb  = (128, 128, 128) tuple of ints
+	# car_name = "string less than 64 char"
+*/
+type CarConfigMsg struct {
+	MsgType string `json:"msg_type"`
+	BodyStyle string `json:"body_style"`
+	BodyR     string `json:"body_r"`
+	BodyG     string `json:"body_g"`
+	BodyB     string `json:"body_b"`
+	CarName   string `json:"car_name"`
+	FontSize  string `json:"font_size"`
+}
+
+/*
+# car_name = "string less than 64 char"
+# guid = "some random string"
+*/
+type RacerBioMsg struct {
+	MsgType string `json:"msg_type"`
+	RacerName string `json:"racer_name"`
+	CarName   string `json:"car_name"`
+	Bio       string `json:"bio"`
+	Country   string `json:"country"`
+	Guid      string `json:"guid"`
+}
+
+/* Camera config
+set any field to Zero to get the default camera setting.
+offset_x moves camera left/right
+offset_y moves camera up/down
+offset_z moves camera forward/back
+rot_x will rotate the camera
+with fish_eye_x/y == 0.0 then you get no distortion
+img_enc can be one of JPG|PNG|TGA
+*/
+type CamConfigMsg struct {
+	MsgType string `json:"msg_type"`
+	Fov      string `json:"fov"`
+	FishEyeX string `json:"fish_eye_x"`
+	FishEyeY string `json:"fish_eye_Y"`
+	ImgW     string `json:"img_w"`
+	ImgH     string `json:"img_h"`
+	ImgD     string `json:"img_d"`
+	ImgEnc   string `json:"img_enc"`
+	OffsetX  string `json:"offset_x"`
+	OffsetY  string `json:"offset_y"`
+	OffsetZ  string `json:"offset_z"`
+	RotX     string `json:"rot_x"`
 }