Re-introduce tracks.

include/Redacted3D/types/track.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <vector>
+#include <J3ML/LinearAlgebra.h>
+
+class Moby;
+
+struct TrackKeyFrame {
+public:
+    Position position;
+    Vector3 angle;
+};
+
+class Track {
+private:
+    Moby* parent;
+    bool teleportToStart = false;
+    bool loop = false;
+    std::vector<TrackKeyFrame> track;
+public:
+    Track(const std::string& file, Moby* moby);
+};

src/engine/engine.cpp

@@ -1,7 +1,6 @@
 #include <sstream>
 #include <thread>
 #include <Redacted3D/engine/engine.h>
-#include <Redacted3D/engine/utils/instanceOf.h>
 #include <Redacted3D/types/entity/camera.h>
 #include <JGL/JGL.h>
 #include <JGL/Colors.h>

src/types/track.cpp

@@ -0,0 +1,42 @@
+#include <fstream>
+#include <Redacted3D/types/track.h>
+#include <Redacted3D/engine/engine.h>
+#include <Redacted3D/types/entity/moby.h>
+#include <jlog/jlog.hpp>
+
+Track::Track(const std::string &file, Moby* moby) {
+    std::ifstream f(file);
+    if (!f.is_open()) {
+        FATAL("Couldn't load track file: " + file)
+        engine->quit();
+    }
+
+    std::string line;
+    bool success = true;
+    while (std::getline(f, line)) {
+        std::istringstream stream(line);
+        std::string prefix;
+        stream >> prefix;
+
+        if (prefix == "Teleport: ")
+            stream >> teleportToStart;
+
+        TrackKeyFrame frame;
+        if (prefix == "Position: ")
+            success = !success,
+            stream >> frame.position.x,
+            stream >> frame.position.y,
+            stream >> frame.position.z;
+
+        if (prefix == "Angle: ")
+            success = !success,
+            stream >> frame.angle.x,
+            stream >> frame.angle.y,
+            stream >> frame.angle.z;
+
+        if (success) {track.push_back(frame); continue;}
+
+        WARNING("There is not the same number of Positions and Angles in the track: " + file);
+    }
+    parent = moby;
+}