Started working on better error handling, by throwing exceptions and displaying error messages in the GUI

check_input.cpp

@@ -1,38 +1,32 @@
 #include <iostream>
-#include "includes/easysock.hpp"
+#include "includes/easysock.h"
 #include "includes/connect_code.hpp"
 #include "includes/server.hpp"
 #include "includes/client.hpp"
 #include "includes/check_input.hpp"
 #include "includes/raygui/raygui.h"
 #include "includes/exception_consts.hpp"
+#include "includes/raygui_helpers.hpp"
 #include "includes/timer.h"
 
-/* Display the given text, centered on the screen, as a label */
-void display_text_centered(std::string to_disp) {
-	const char* to_disp_cstr = to_disp.c_str();
-	Vector2 label_size = MeasureTextEx(GetFontDefault(), to_disp_cstr, GuiGetStyle(DEFAULT, TEXT_SIZE)+1, GuiGetStyle(DEFAULT, TEXT_SPACING)+1); // The '+1' is there to account for any rounding errors
-	
-	BeginDrawing();
-		ClearBackground(BLACK);
-		GuiLabel(Rectangle{(GetScreenWidth()/2) - (label_size.x/2), (GetScreenHeight()/2) - (label_size.y/2), label_size.x, label_size.y}, to_disp_cstr);
-	EndDrawing();	
-	return;
-}
-
 GameType check_server(char* ip_text, char* port_text) {
 	GameType type;
 	std::string addr;
 	uint16_t port;
 
+	/* Check if IP address and port are in valid forms */
+	if (check_ip_ver(ip_text) < 0) {
+		throw std::invalid_argument("Invalid IP address");
+	}
+	if (port_to_num(port_text) < 0) {
+		throw std::invalid_argument("Invalid port");
+	}
+
+	/* From here on, we assume that the IP and port are valid */
+
 	addr = std::string(ip_text);
 	port = std::stoi(std::string(port_text));
 
-	/* Check if IP is valid */
-	if (check_ip_ver(addr.data()) < 0) {
-		throw EXCEPT_INVALIDIP;
-	}
-
 	std::string code = connect_code::encode(addr, std::to_string(port));
 
 	/* Create server socket and wait for client to connect */