From 410c6cc56763d503fdbaa6251cd6d1bb3715a235 Mon Sep 17 00:00:00 2001
From: Evan Pratten <ewpratten@gmail.com>
Date: Thu, 22 Apr 2021 15:16:30 -0400
Subject: [PATCH] Add serialstudio support to the game

---
 Cargo.toml              |  4 +-
 src/lib/mod.rs          |  3 +-
 src/lib/profiler/mod.rs | 83 +++++++++++++++++++++++++++++++++++++++++
 src/main.rs             | 15 ++++++++
 4 files changed, 103 insertions(+), 2 deletions(-)
 create mode 100644 src/lib/profiler/mod.rs

diff --git a/Cargo.toml b/Cargo.toml
index 6338d2a..d17519a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,4 +7,6 @@ description = ""
 
 [dependencies]
 raylib = { version = "3.5", git = "https://github.com/ewpratten/raylib-rs", branch = "master" }
-
+serialstudio = "0.1.0"
+serde = "1.0.125"
+serde_json = "1.0.64"
\ No newline at end of file
diff --git a/src/lib/mod.rs b/src/lib/mod.rs
index 4bafd13..2610b8a 100644
--- a/src/lib/mod.rs
+++ b/src/lib/mod.rs
@@ -1 +1,2 @@
-pub mod wrappers;
\ No newline at end of file
+pub mod wrappers;
+pub mod profiler;
\ No newline at end of file
diff --git a/src/lib/profiler/mod.rs b/src/lib/profiler/mod.rs
new file mode 100644
index 0000000..b054cef
--- /dev/null
+++ b/src/lib/profiler/mod.rs
@@ -0,0 +1,83 @@
+use serde_json::json;
+use serialstudio::{
+    data::{DataGroup, DataSet, TelemetryFrame},
+    SerialStudioSource,
+};
+
+/// The development profiler
+#[derive(Default)]
+pub struct GameProfiler {
+    /// The SerialStudio server
+    server: Option<SerialStudioSource>,
+
+    /// The data
+    pub frames_per_second: u32,
+    pub seconds_per_frame: f32,
+}
+
+/// Dev mode
+#[cfg(debug_assertions)]
+impl GameProfiler {
+    pub fn new() -> Self {
+        Self {
+            server: Some(SerialStudioSource::new()),
+            ..Default::default()
+        }
+    }
+
+    pub fn start(&mut self) {
+        println!("Starting debug server on: tcp://localhost:8019");
+        self.server
+            .as_mut()
+            .unwrap()
+            .start("localhost:8019".to_string());
+    }
+
+    pub fn stop(&mut self) {
+        println!("Stopping debug server");
+        self.server.as_mut().unwrap().stop();
+    }
+
+    pub fn update(&mut self) {
+        // Build telemetry frame
+        let frame = TelemetryFrame {
+            title: "Game status".to_string(),
+            groups: vec![DataGroup {
+                title: "Rendering engine".to_string(),
+                widget_type: None,
+                datasets: vec![
+                    DataSet {
+                        title: Some("Frames per Second".to_string()),
+                        value: json!(self.frames_per_second),
+                        graph: Some(true),
+                        unit: Some("fps".to_string()),
+                        w_type: None,
+                    },
+                    DataSet {
+                        title: Some("Seconds per Frame".to_string()),
+                        value: json!(self.seconds_per_frame),
+                        graph: Some(true),
+                        unit: Some("seconds".to_string()),
+                        w_type: None,
+                    },
+                ],
+            }],
+        };
+
+        // Send the frame
+        self.server.as_mut().unwrap().publish(frame);
+    }
+}
+
+/// Release mode: We do nothing here
+#[cfg(not(debug_assertions))]
+impl GameProfiler {
+    pub fn new() -> Self {
+        Self {
+            ..Default::default()
+        }
+    }
+    pub fn start(&mut self) {}
+    pub fn stop(&mut self) {}
+    pub fn update(&mut self) {}
+}
diff --git a/src/main.rs b/src/main.rs
index 1246ef2..cb827f0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,6 +2,7 @@ mod lib;
 mod gamecore;
 
 use gamecore::{GameCore, GameState};
+use lib::profiler::GameProfiler;
 use raylib::prelude::*;
 
 // Game Launch Configuration
@@ -25,6 +26,10 @@ fn main() {
         state: GameState::Loading
     };
 
+    // Set up the game's profiler
+    let mut profiler = GameProfiler::new();
+    profiler.start();
+
     // Main rendering loop
     while !raylib.window_should_close() {
         let mut draw_handle = raylib.begin_drawing(&raylib_thread);
@@ -34,5 +39,15 @@ fn main() {
 
         // Call appropriate render function
         // TODO: the usual match statement on `game_core.state`
+
+        // Feed the profiler
+        profiler.seconds_per_frame = draw_handle.get_frame_time();
+        profiler.frames_per_second = draw_handle.get_fps();
+
+        // Send telemetry data
+        profiler.update();
     }
+
+    // Cleanup
+    profiler.stop();
 }