--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/gui.c	Wed Jan 26 20:25:08 2022 -0500
@@ -0,0 +1,212 @@
+#include <stdio.h>
+#include <windows.h>
+#include <stdint.h>
+#include <stdbool.h>
+#include <commdlg.h>
+#include "../include/common.h"
+#define OPEN_FILE_BUTTON 0
+#define COMBOBOX         1
+#define LISTBOX          2
+#define SAVE_FILE_BUTTON 3
+
+HWND hWndListBox, hWndComboBox;
+int16_t version = 11, type = 1; /* type: 0 is vf, 1 is veg */
+char* file_name = " "; /* initialize as a space, a filename cannot literally just be a space */
+
+void set_data(unsigned char magic[], uint16_t version, FILE* target) {
+	int i;
+	fseek(target, 0x46, SEEK_SET);
+	fputc(version, target);
+	for (i=0; i<=sizeof(*magic); ++i) {
+		fseek(target, 0x18+i, SEEK_SET);
+		fputc(magic[i], target);
+	}
+}
+
+int copy_file(char* source_file, char* target_file) {
+	FILE *source, *target;
+
+	source = fopen(source_file, "rb");
+	if (source == NULL) return 1;
+	target = fopen(target_file, "wb");
+	if (target == NULL) {
+		fclose(source);
+		return 1;
+	}
+
+	size_t n, m;
+	unsigned char buff[8192];
+	do {
+		n = fread(buff, 1, sizeof(buff), source);
+		if (n) m = fwrite(buff, 1, n, target);
+		else m = 0;
+	} while ((n > 0) && (n == m));
+
+	fclose(target);
+	fclose(source);
+	return 0;
+}
+
+void display_file(char* path) {
+	/* Read the file to memory */
+	FILE* file;
+	file = fopen(path, "rb");
+	fseek(file, 0, SEEK_END);
+	int _size = ftell(file);
+	rewind(file);
+	char* data = calloc(_size+1, sizeof(char*));
+	fread(data, _size, 1, file);
+	data[_size] = '\0';
+
+	free(data);
+	fclose(file);
+}
+
+char* open_file(HWND hWnd) {
+	OPENFILENAME ofn;
+	char filename[127];
+
+	ZeroMemory(&ofn, sizeof(OPENFILENAME));
+	ofn.lStructSize = sizeof(OPENFILENAME);
+	ofn.hwndOwner = hWnd;
+	ofn.lpstrFile = filename;
+	ofn.lpstrFile[0] = '\0';
+	ofn.nMaxFile = 127;
+	ofn.lpstrFilter = "Project files\0*.veg;*.vf\0All files\0*.*\0";
+	ofn.nFilterIndex = 1;
+
+	GetOpenFileName(&ofn);
+
+	display_file(filename);
+
+	return _strdup(filename);
+}
+
+void save_file(HWND hWnd, char* input_file) {
+	if (strcmp(input_file, " ") == 0) {
+		MessageBoxW(hWnd, L"Please open a file first!", L"Invalid input file!", MB_ICONEXCLAMATION); 
+		return;
+	}
+	OPENFILENAME ofn;
+	char output_file[127];
+
+	ZeroMemory(&ofn, sizeof(OPENFILENAME));
+	ofn.lStructSize = sizeof(OPENFILENAME);
+	ofn.hwndOwner = hWnd;
+	ofn.lpstrFile = output_file;
+	ofn.lpstrFile[0] = '\0';
+	ofn.nMaxFile = 127;
+	ofn.lpstrFilter = "Project files\0*.veg\0All files\0*.*\0";
+	ofn.nFilterIndex = 1;
+
+	GetSaveFileName(&ofn);
+
+	copy_file(input_file, output_file);
+	FILE* output = fopen(output_file, "r+b");
+	if (output == NULL) {
+		MessageBoxW(hWnd, L"Failed to save project file!", L"Saving project failed!", MB_ICONEXCLAMATION); 
+		return;
+	}
+
+	if (type == 1) {
+		unsigned char magic[] = {0xEF, 0x29, 0xC4, 0x46, 0x4A, 0x90, 0xD2, 0x11, 0x87, 0x22, 0x00, 0xC0, 0x4F, 0x8E, 0xDB, 0x8A};
+		set_data(magic, version, output);
+	} else {
+		unsigned char magic[] = {0xF6, 0x1B, 0x3C, 0x53, 0x35, 0xD6, 0xF3, 0x43, 0x8A, 0x90, 0x64, 0xB8, 0x87, 0x23, 0x1F, 0x7F};
+		set_data(magic, version, output);
+	}
+
+	fclose(output);
+}
+
+void AddControls(HWND hWnd) {
+	/* versions */
+	hWndComboBox = CreateWindowW(L"ComboBox", NULL, CBS_DROPDOWNLIST | CBS_HASSTRINGS | WS_CHILD | WS_VISIBLE | WS_OVERLAPPED | WS_VSCROLL, (int)((225 - 50)/2), 30, 50, 200, hWnd, (HMENU)COMBOBOX, NULL, NULL);
+	TCHAR versions[][10] = {TEXT("8"), TEXT("9"), TEXT("10"), TEXT("11"), TEXT("12"), TEXT("13"), TEXT("14"), TEXT("15"), TEXT("16"), TEXT("17"), TEXT("18"), TEXT("19")};
+
+	TCHAR A[16];
+
+	memset(&A,0,sizeof(A));
+	int i = 0;
+	for (i = 0; i <= 11; i++) {
+		wcscpy_s((WCHAR*)A, sizeof(A)/sizeof(TCHAR), (WCHAR*)versions[i]);
+		SendMessage(hWndComboBox, (UINT)CB_ADDSTRING, (WPARAM)0, (LPARAM)A);
+	}
+	SendMessage(hWndComboBox, CB_SETCURSEL, (WPARAM)3, (LPARAM)0);
+	/* open file */
+	HWND open_button = CreateWindowW(L"Button", L"Open", WS_VISIBLE | WS_CHILD, (int)((225 - 50)/2), 5, 50, 20, hWnd, (HMENU)OPEN_FILE_BUTTON, NULL, NULL);
+	/* type */
+	TCHAR listbox_items[][13] = {TEXT("VEGAS Pro"), TEXT("Movie Studio")};
+	hWndListBox = CreateWindowW(L"Listbox", NULL, WS_VISIBLE | WS_CHILD | LBS_STANDARD | LBS_NOTIFY, (int)((225 - 100)/2), 55, 100, 40, hWnd, (HMENU)LISTBOX, NULL, NULL);
+	for (i = 0; i < ARRAYSIZE(listbox_items); i++) {
+		int pos = (int)SendMessage(hWndListBox, LB_ADDSTRING, i, (LPARAM) listbox_items[i]);
+		SendMessage(hWndListBox, LB_SETITEMDATA, pos, (LPARAM) i);
+	}
+	SendMessage(hWndListBox, LB_SETCURSEL, (WPARAM)0, (LPARAM)0);
+	/* save file */
+	HWND save_button = CreateWindowW(L"Button", L"Save", WS_VISIBLE | WS_CHILD, (int)((225 - 50)/2), 90, 50, 20, hWnd, (HMENU)SAVE_FILE_BUTTON, NULL, NULL);
+	if (open_button == NULL || save_button == NULL || hWndListBox == NULL || hWndComboBox == NULL)
+		MessageBoxW(hWnd, L"how did you even trigger this", L"GUI could not be initialized!", MB_ICONEXCLAMATION); 
+}
+
+bool CALLBACK SetFont(HWND child, LPARAM font) {
+	SendMessage(child, WM_SETFONT, font, true);
+	return true;
+}
+
+LRESULT CALLBACK WindowProcedure(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam ) {
+	switch(msg) {
+		case WM_COMMAND:
+			if(HIWORD(wParam) == CBN_SELCHANGE) {
+				if (LOWORD(wParam) == COMBOBOX)
+					version = (int16_t)(8+SendMessage((HWND) lParam, (UINT) CB_GETCURSEL, (WPARAM) 0, (LPARAM) 0));
+				if (LOWORD(wParam) == LISTBOX)
+					type = SendMessage((HWND) lParam, (UINT) LB_GETCURSEL, (WPARAM) 0, (LPARAM) 0);
+			}
+			switch(wParam) {
+				case OPEN_FILE_BUTTON:
+					file_name = open_file(hWnd);
+					break;
+				case COMBOBOX:
+					break; /* NOTE: remove these 4 lines if we don't end up doing anything with them */
+				case LISTBOX:
+					break;
+				case SAVE_FILE_BUTTON:
+					save_file(hWnd, file_name);
+					break;
+			}
+			break;
+		case WM_CREATE: {
+			AddControls(hWnd);
+			EnumChildWindows(hWnd, (WNDENUMPROC)SetFont, (LPARAM)GetStockObject(DEFAULT_GUI_FONT));
+			break;
+		}
+		case WM_DESTROY:
+			PostQuitMessage(0);
+			break;
+		default:
+			return DefWindowProcW(hWnd, msg, wParam, lParam);
+	}
+	return false;
+}
+
+int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR args, int ncmdshow) {
+	WNDCLASSW wc = {0};
+
+	wc.hbrBackground = (HBRUSH)COLOR_WINDOW;
+	wc.hCursor = LoadCursor(NULL, IDC_ARROW);
+	wc.hInstance = hInstance;
+	wc.lpszClassName = L"msvpvf";
+	wc.lpfnWndProc = WindowProcedure;
+
+	if (!RegisterClassW(&wc)) return -1;
+
+	CreateWindowW(L"msvpvf", L"Movie Studio / Vegas Pro version spoofer", WS_OVERLAPPED | WS_VISIBLE | WS_MINIMIZEBOX | WS_SYSMENU, 100, 100, 225, 200, NULL, NULL, hInstance, NULL);
+
+	MSG msg = {0};
+
+	while (GetMessage(&msg, NULL, 0, 0)) {
+		TranslateMessage(&msg);
+		DispatchMessage(&msg);
+	}
+}