new file: source/ArthursQuestBattlefortheKingdomFOVFix/ArthursQuestB…

…attlefortheKingdomFOVFix.cpp

source/ArthursQuestBattlefortheKingdomFOVFix/ArthursQuestBattlefortheKingdomFOVFix.cpp

@@ -0,0 +1,106 @@
+#include <iostream>
+#include <iomanip>
+#include <fstream>
+#include <conio.h>
+#include <cstdint>
+#include <cmath>
+#include <limits>
+
+// Define M_PI if not already defined
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+// Function to convert degrees to radians
+double degToRad(double degrees)
+{
+    return degrees * (M_PI / 180.0);
+}
+
+// Function to convert radians to degrees
+double radToDeg(double radians)
+{
+    return radians * (180.0 / M_PI);
+}
+
+using namespace std;
+
+int main()
+{
+    double oldWidth = 4.0;
+    double oldHeight = 3.0;
+    double oldAspectRatio = oldWidth / oldHeight;
+    double oldHorizontalFOV = 90.0; // Known horizontal FOV for 4:3 aspect ratio
+    double newHorizontalFOV;
+    double newAspectRatio;
+    double newWidth, newHeight, horizontalFOV;
+    float horizontalFovInRadians;
+
+    cout << "Arthur's Quest: Battle for the Kingdom FOV Fixer by AlphaYellow, 2024\n\n----------------\n\n";
+
+    do
+    {
+        cout << "\n- Enter the desired width: ";
+        cin >> newWidth;
+
+        if (cin.fail())
+        {
+            cin.clear();                                         // Clears error flags
+            cin.ignore(numeric_limits<streamsize>::max(), '\n'); // Ignores invalid input
+            newWidth = -1;                                       // Ensures the loop continues
+            cout << "Invalid input. Please enter a numeric value." << endl;
+        }
+        else if (newWidth <= 0 || newWidth > 65535)
+        {
+            cout << "Please enter a positive number for width less than 65536." << endl;
+        }
+    } while (newWidth <= 0 || newWidth > 65535);
+
+    do
+    {
+        cout << "\n- Enter the desired height: ";
+        cin >> newHeight;
+
+        if (cin.fail())
+        {
+            cin.clear();                                         // Clears error flags
+            cin.ignore(numeric_limits<streamsize>::max(), '\n'); // Ignores invalid input
+            newHeight = -1;                                      // Ensures the loop continues
+            cout << "Invalid input. Please enter a numeric value." << endl;
+        }
+        else if (newHeight <= 0 || newHeight > 65535)
+        {
+            cout << "Please enter a positive number for height less than 65536." << endl;
+        }
+    } while (newHeight <= 0 || newHeight > 65535);
+
+    newAspectRatio = newWidth / newHeight;
+
+    // Calculates the new horizontal FOV
+    newHorizontalFOV = 2.0 * radToDeg(atan((newAspectRatio / oldAspectRatio) * tan(degToRad(oldHorizontalFOV / 2.0))));
+
+    fstream file("CShell.dll", ios::in | ios::out | ios::binary);
+    if (!file.is_open())
+    {
+        cout << "Failed to open the file." << endl;
+        return 1;
+    }
+
+    horizontalFovInRadians = static_cast<float>(newHorizontalFOV * (M_PI / 180.0)); // Converts degrees to radians
+
+    file.seekp(0x001AF741);
+    file.write(reinterpret_cast<const char *>(&horizontalFovInRadians), sizeof(horizontalFovInRadians));
+
+    // Confirmation message
+    cout << "\nSuccessfully fixed the field view in the game.\n"
+         << endl;
+
+    // Closes the file
+    file.close();
+
+    cout << "Press enter to exit the program...";
+    cin.ignore(numeric_limits<streamsize>::max(), '\n'); // Clears the input buffer
+    cin.get();
+
+    return 0;
+}