made screen go slightly blue when underwater

src/client.h

@@ -292,6 +292,15 @@ class Client : public con::PeerHandler, public InventoryManager
 	{
 		return m_access_denied_reason;
 	}
+	
+	/*
+		This should only be used for calling the special drawing stuff in
+		ClientEnvironment
+	*/
+	ClientEnvironment * getEnv()
+	{
+		return &m_env;
+	}
 
 private:
 	

src/environment.cpp

@@ -1865,6 +1865,22 @@ ClientEnvEvent ClientEnvironment::getClientEvent()
 	return m_client_event_queue.pop_front();
 }
 
+void ClientEnvironment::drawPostFx(video::IVideoDriver* driver, v3f camera_pos)
+{
+	/*LocalPlayer *player = getLocalPlayer();
+	assert(player);
+	v3f pos_f = player->getPosition() + v3f(0,BS*1.625,0);*/
+	v3f pos_f = camera_pos;
+	v3s16 p_nodes = floatToInt(pos_f, BS);
+	MapNode n = m_map->getNodeNoEx(p_nodes);
+	if(n.d == CONTENT_WATER || n.d == CONTENT_WATERSOURCE)
+	{
+		v2u32 ss = driver->getScreenSize();
+		core::rect<s32> rect(0,0, ss.X, ss.Y);
+		driver->draw2DRectangle(video::SColor(64, 100, 100, 200), rect);
+	}
+}
+
 #endif // #ifndef SERVER
 
 

src/environment.h

@@ -406,6 +406,9 @@ class ClientEnvironment : public Environment
 	
 	// Get event from queue. CEE_NONE is returned if queue is empty.
 	ClientEnvEvent getClientEvent();
+
+	// Post effects
+	void drawPostFx(video::IVideoDriver* driver, v3f camera_pos);
 	
 private:
 	ClientMap *m_map;

src/game.cpp

@@ -2241,6 +2241,13 @@ void the_game(
 					core::rect<s32>(0,0,screensize.X,screensize.Y),
 					NULL);
 		}
+
+		/*
+			Environment post fx
+		*/
+		{
+			client.getEnv()->drawPostFx(driver, camera_position);
+		}
 		
 		/*
 			End scene