2 files changed, 62 insertions, 5 deletions

diff --git a/src/client/gameui.cpp b/src/client/gameui.cpp
index 7307daf75..53d9f4a9c 100644
--- a/src/client/gameui.cpp
+++ b/src/client/gameui.cpp
@@ -19,7 +19,55 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 */
 
 #include "gameui.h"
-#include "settings.h"
+#include <irrlicht_changes/static_text.h>
+#include "gui/mainmenumanager.h"
+#include "client.h"
+#include "fontengine.h"
+#include "clientmap.h"
+#include "version.h"
+#include "renderingengine.h"
+
+void GameUI::init()
+{
+	// First line of debug text
+	m_guitext = gui::StaticText::add(guienv, utf8_to_wide(PROJECT_NAME_C).c_str(),
+		core::rect<s32>(0, 0, 0, 0), false, false, guiroot);
+}
+
+void GameUI::update(const RunStats &stats, Client *client,
+	const MapDrawControl *draw_control)
+{
+	if (m_flags.show_debug) {
+		static float drawtime_avg = 0;
+		drawtime_avg = drawtime_avg * 0.95 + stats.drawtime * 0.05;
+		u16 fps = 1.0 / stats.dtime_jitter.avg;
+
+		std::ostringstream os(std::ios_base::binary);
+		os << std::fixed
+			<< PROJECT_NAME_C " " << g_version_hash
+			<< ", FPS: " << fps
+			<< std::setprecision(0)
+			<< ", drawtime: " << drawtime_avg << "ms"
+			<< std::setprecision(1)
+			<< ", dtime jitter: "
+			<< (stats.dtime_jitter.max_fraction * 100.0) << "%"
+			<< std::setprecision(1)
+			<< ", view range: "
+			<< (draw_control->range_all ? "All" : itos(draw_control->wanted_range))
+			<< std::setprecision(3)
+			<< ", RTT: " << client->getRTT() << "s";
+		setStaticText(m_guitext, utf8_to_wide(os.str()).c_str());
+		m_guitext->setVisible(true);
+	} else {
+		m_guitext->setVisible(false);
+	}
+
+	if (m_guitext->isVisible()) {
+		v2u32 screensize = RenderingEngine::get_instance()->getWindowSize();
+		m_guitext->setRelativePosition(core::rect<s32>(5, 5, screensize.X,
+			5 + g_fontengine->getTextHeight()));
+	}
+}
 
 void GameUI::initFlags()
 {
@@ -29,7 +77,7 @@ void GameUI::initFlags()
 	m_flags.show_debug = g_settings->getBool("show_debug");
 }
 
-void GameUI::showMinimap(const bool show)
+void GameUI::showMinimap(bool show)
 {
 	m_flags.show_minimap = show;
 }
diff --git a/src/client/gameui.h b/src/client/gameui.h
index bd9c0f626..593fd4ff3 100644
--- a/src/client/gameui.h
+++ b/src/client/gameui.h
@@ -20,9 +20,12 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 
 #pragma once
 
-#include "IGUIEnvironment.h"
+#include <IGUIEnvironment.h>
+#include "game.h"
 
 using namespace irr;
+class Client;
+struct MapDrawControl;
 
 class GameUI
 {
@@ -30,6 +33,9 @@ class GameUI
 	friend class Game;
 
 public:
+	GameUI() = default;
+	~GameUI() = default;
+
 	// Flags that can, or may, change during main game loop
 	struct Flags
 	{
@@ -42,16 +48,19 @@ public:
 		bool disable_camera_update;
 	};
 
+	void init();
+	void update(const RunStats &stats, Client *client, const MapDrawControl *draw_control);
+
 	void initFlags();
 	const Flags &getFlags() const { return m_flags; }
 
-	void showMinimap(const bool show);
+	void showMinimap(bool show);
 
 private:
 	Flags m_flags;
 
+	gui::IGUIStaticText *m_guitext;          // First line of debug text
 	// @TODO future move
-	//	gui::IGUIStaticText *m_guitext;          // First line of debug text
 	//	gui::IGUIStaticText *m_guitext2;         // Second line of debug text
 	//	gui::IGUIStaticText *m_guitext_info;     // At the middle of the screen
 	//	gui::IGUIStaticText *m_guitext_status;