add freetype-based text rendering and box labels

src/Game.h

@@ -10,6 +10,10 @@
 #include "utils/TaskManager.h"
 #include "network/NetworkInterface.h"
 #include <queue>
+#include <vector>
+#include <string>
+#include <memory>
+#include <render/TextRenderer.h>
 
 namespace ZL {
 
@@ -43,10 +47,13 @@ namespace ZL {
 		void drawCubemap(float skyPercent);
 		void drawShip();
 		void drawBoxes();
+		void drawBoxesLabels();
 		void drawUI();
 		void drawRemoteShips();
 		void fireProjectiles();
 
+		bool worldToScreen(const Vector3f& world, float& outX, float& outY, float& outDepth) const;
+
 		void handleDown(int mx, int my);
 		void handleUp(int mx, int my);
 		void handleMotion(int mx, int my);
@@ -62,6 +69,9 @@ namespace ZL {
 		std::vector<BoxCoords> boxCoordsArr;
 		std::vector<VertexRenderStruct> boxRenderArr;
 
+		std::vector<std::string> boxLabels;
+		std::unique_ptr<TextRenderer> textRenderer;
+
 		std::unordered_map<int, ClientStateInterval> latestRemotePlayers;
 
 		float newShipVelocity = 0;