BizHawk/BizHawk.Client.EmuHawk/tools/GB/GBGameGenie.cs

495 lines
12 KiB
C#

using System;
using System.Collections.Generic;
using System.Globalization;
using System.Text.RegularExpressions;
using System.Windows.Forms;
using BizHawk.Emulation.Common;
using BizHawk.Client.Common;
namespace BizHawk.Client.EmuHawk
{
[Tool(false, null)]
public partial class GBGameGenie : Form, IToolFormAutoConfig
{
// TODO: fix the use of Global.Game.System and Emulator.SystemId
[RequiredService]
private IEmulator Emulator { get; set; }
[RequiredService]
private IMemoryDomains MemoryDomains { get; set; }
private readonly Dictionary<char, int> _gameGenieTable = new Dictionary<char, int>();
private bool _processing;
public bool AskSaveChanges() { return true; }
public bool UpdateBefore { get { return false; } }
public void Restart()
{
if ((Emulator.SystemId != "GB") && (Global.Game.System != "GG"))
{
Close();
}
}
public void NewUpdate(ToolFormUpdateType type) { }
public void UpdateValues()
{
if ((Emulator.SystemId != "GB") && (Global.Game.System != "GG"))
{
Close();
}
}
public void FastUpdate()
{
// Do nothing
}
public GBGameGenie()
{
InitializeComponent();
_gameGenieTable.Add('0', 0); // 0000
_gameGenieTable.Add('1', 1); // 0001
_gameGenieTable.Add('2', 2); // 0010
_gameGenieTable.Add('3', 3); // 0011
_gameGenieTable.Add('4', 4); // 0100
_gameGenieTable.Add('5', 5); // 0101
_gameGenieTable.Add('6', 6); // 0110
_gameGenieTable.Add('7', 7); // 0111
_gameGenieTable.Add('8', 8); // 1000
_gameGenieTable.Add('9', 9); // 1001
_gameGenieTable.Add('A', 10); // 1010
_gameGenieTable.Add('B', 11); // 1011
_gameGenieTable.Add('C', 12); // 1100
_gameGenieTable.Add('D', 13); // 1101
_gameGenieTable.Add('E', 14); // 1110
_gameGenieTable.Add('F', 15); // 1111
}
public void GBGGDecode(string code, ref int val, ref int add, ref int cmp)
{
// No cypher on value
// Char # | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
// Bit # |3|2|1|0|3|2|1|0|3|2|1|0|3|2|1|0|3|2|1|0|3|2|1|0|3|2|1|0|3|2|1|0|3|2|1|0|
// maps to| Value |A|B|C|D|E|F|G|H|I|J|K|L|XOR 0xF|a|b|c|c|NotUsed|e|f|g|h|
// proper | Value |XOR 0xF|A|B|C|D|E|F|G|H|I|J|K|L|g|h|a|b|Nothing|c|d|e|f|
int x;
// Getting Value
if (code.Length > 0)
{
_gameGenieTable.TryGetValue(code[0], out x);
val = x << 4;
}
if (code.Length > 1)
{
_gameGenieTable.TryGetValue(code[1], out x);
val |= x;
}
// Address
if (code.Length > 2)
{
_gameGenieTable.TryGetValue(code[2], out x);
add = x << 8;
}
else
{
add = -1;
}
if (code.Length > 3)
{
_gameGenieTable.TryGetValue(code[3], out x);
add |= x << 4;
}
if (code.Length > 4)
{
_gameGenieTable.TryGetValue(code[4], out x);
add |= x;
}
if (code.Length > 5)
{
_gameGenieTable.TryGetValue(code[5], out x);
add |= (x ^ 0xF) << 12;
}
// compare need to be full
if (code.Length > 8)
{
int comp = 0;
_gameGenieTable.TryGetValue(code[6], out x);
comp = x << 2;
// 8th character ignored
_gameGenieTable.TryGetValue(code[8], out x);
comp |= (x & 0xC) >> 2;
comp |= (x & 0x3) << 6;
cmp = comp ^ 0xBA;
}
else
{
cmp = -1;
}
}
private string GBGGEncode(int val, int add, int cmp)
{
char[] letters = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
string code = "";
int[] num = { 0, 0, 0, 0, 0, 0, 0, 0, 0 };
num[0] = (val & 0xF0) >> 4;
num[1] = val & 0x0F;
num[2] = (add & 0x0F00) >> 8;
num[3] = (add & 0x00F0) >> 4;
num[4] = add & 0x000F;
num[5] = ((add & 0xF000) >> 12) ^ 0xF;
if (cmp > -1)
{
int xoredcomp = (cmp & 0xFF) ^ 0xBA;
num[6] = (xoredcomp & 0x30) >> 2;
num[6] |= (xoredcomp & 0x0C) >> 2;
// 8th char has no real use (its value is not reflected in the address:value:compare
// probably a protection to stop people making code up, xor the 7th digit with 0x8
// to get back what the original code had (Might be more to it)
num[7] = num[6] ^ 8;
num[8] = (xoredcomp & 0xC0) >> 6;
num[8] |= (xoredcomp & 0x03) << 2;
for (int i = 0; i < 9; i++)
{
code += letters[num[i]];
}
}
else
{
for (int i = 0; i < 6; i++)
{
code += letters[num[i]];
}
}
return code;
}
private void GBGameGenie_Load(object sender, EventArgs e)
{
addcheatbt.Enabled = false;
//"Game Boy/Game Gear Game Genie Encoder / Decoder"
if (Emulator.SystemId == "GB")
{
Text = "Game Boy Game Genie Encoder/Decoder";
}
else
{
Text = "Game Gear Game Genie Encoder/Decoder";
}
}
#region Dialog and Control Events
private void AddCheatClick(object sender, EventArgs e)
{
if ((Emulator.SystemId == "GB") || (Global.Game.System == "GG"))
{
string name;
var address = 0;
var value = 0;
int? compare = null;
if (!string.IsNullOrWhiteSpace(cheatname.Text))
{
name = cheatname.Text;
}
else
{
_processing = true;
GGCodeMaskBox.TextMaskFormat = MaskFormat.IncludeLiterals;
name = GGCodeMaskBox.Text;
GGCodeMaskBox.TextMaskFormat = MaskFormat.ExcludePromptAndLiterals;
_processing = false;
}
if (!string.IsNullOrWhiteSpace(AddressBox.Text))
{
address = int.Parse(AddressBox.Text, NumberStyles.HexNumber);
}
if (!string.IsNullOrWhiteSpace(ValueBox.Text))
{
value = (byte)int.Parse(ValueBox.Text, NumberStyles.HexNumber);
}
if (!string.IsNullOrWhiteSpace(CompareBox.Text))
{
try
{
compare = byte.Parse(CompareBox.Text, NumberStyles.HexNumber);
}
catch
{
compare = null;
}
}
var watch = Watch.GenerateWatch(
MemoryDomains["System Bus"],
address,
WatchSize.Byte,
Client.Common.DisplayType.Hex,
false,
name);
Global.CheatList.Add(new Cheat(
watch,
value,
compare));
}
}
private void ClearButton_Click(object sender, EventArgs e)
{
AddressBox.Text = "";
ValueBox.Text = "";
CompareBox.Text = "";
GGCodeMaskBox.Text = "";
addcheatbt.Enabled = false;
}
private void CompareBox_TextChanged(object sender, EventArgs e)
{
if (_processing == false)
{
_processing = true;
// remove invalid character when pasted
if (Regex.IsMatch(CompareBox.Text, @"[^a-fA-F0-9]"))
{
CompareBox.Text = Regex.Replace(CompareBox.Text, @"[^a-fA-F0-9]", "");
}
if ((CompareBox.Text.Length == 2) || (CompareBox.Text.Length == 0))
{
if ((AddressBox.Text.Length > 0) || (ValueBox.Text.Length > 0))
{
int val = 0;
int add = 0;
int cmp = -1;
if (ValueBox.Text.Length > 0)
{
val = int.Parse(ValueBox.Text, NumberStyles.HexNumber);
}
if (AddressBox.Text.Length > 0)
{
add = int.Parse(AddressBox.Text, NumberStyles.HexNumber);
}
if (CompareBox.Text.Length == 2)
{
cmp = int.Parse(CompareBox.Text, NumberStyles.HexNumber);
}
GGCodeMaskBox.Text = GBGGEncode(val, add, cmp);
addcheatbt.Enabled = true;
}
else
{
GGCodeMaskBox.Text = "";
addcheatbt.Enabled = false;
}
}
_processing = false;
}
}
private void ValueBox_TextChanged(object sender, EventArgs e)
{
if (_processing == false)
{
_processing = true;
// remove invalid character when pasted
if (Regex.IsMatch(ValueBox.Text, @"[^a-fA-F0-9]"))
{
ValueBox.Text = Regex.Replace(ValueBox.Text, @"[^a-fA-F0-9]", "");
}
if ((AddressBox.Text.Length > 0) || (ValueBox.Text.Length > 0))
{
var val = 0;
var add = 0;
var cmp = -1;
if (ValueBox.Text.Length > 0)
{
val = int.Parse(ValueBox.Text, NumberStyles.HexNumber);
}
if (AddressBox.Text.Length > 0)
{
add = int.Parse(AddressBox.Text, NumberStyles.HexNumber);
}
if (CompareBox.Text.Length == 2)
{
cmp = int.Parse(CompareBox.Text, NumberStyles.HexNumber);
}
GGCodeMaskBox.Text = GBGGEncode(val, add, cmp);
addcheatbt.Enabled = true;
}
else
{
GGCodeMaskBox.Text = "";
addcheatbt.Enabled = false;
}
_processing = false;
}
}
private void AddressBox_TextChanged(object sender, EventArgs e)
{
// remove invalid character when pasted
if (_processing == false)
{
_processing = true;
if (Regex.IsMatch(AddressBox.Text, @"[^a-fA-F0-9]"))
{
AddressBox.Text = Regex.Replace(AddressBox.Text, @"[^a-fA-F0-9]", "");
}
if ((AddressBox.Text.Length > 0) || (ValueBox.Text.Length > 0))
{
var val = 0;
var add = 0;
var cmp = -1;
if (ValueBox.Text.Length > 0)
{
val = int.Parse(ValueBox.Text, NumberStyles.HexNumber);
}
if (AddressBox.Text.Length > 0)
{
add = int.Parse(AddressBox.Text, NumberStyles.HexNumber);
}
if (CompareBox.Text.Length == 2)
{
cmp = int.Parse(CompareBox.Text, NumberStyles.HexNumber);
}
GGCodeMaskBox.Text = GBGGEncode(val, add, cmp);
addcheatbt.Enabled = true;
}
else
{
GGCodeMaskBox.Text = "";
addcheatbt.Enabled = false;
}
_processing = false;
}
}
private void Keypad_Click(object sender, EventArgs e)
{
if (GGCodeMaskBox.Text.Length < 9)
{
var code = "";
if (sender == B0) { code = "0"; }
else if (sender == B1) { code = "1"; }
else if (sender == B2) { code = "2"; }
else if (sender == B3) { code = "3"; }
else if (sender == B4) { code = "4"; }
else if (sender == B5) { code = "5"; }
else if (sender == B6) { code = "6"; }
else if (sender == B7) { code = "7"; }
else if (sender == B8) { code = "8"; }
else if (sender == B9) { code = "9"; }
else if (sender == BA) { code = "A"; }
else if (sender == BB) { code = "B"; }
else if (sender == BC) { code = "C"; }
else if (sender == BD) { code = "D"; }
else if (sender == BE) { code = "E"; }
else if (sender == BF) { code = "F"; }
GGCodeMaskBox.Text += code;
}
}
private void GGCodeMaskBox_KeyPress(object sender, KeyPressEventArgs e)
{
// Find a better way to remove all NON HEX char, while still allowing copy/paste
// Right now its all done through removing em GGCodeMaskBox_TextChanged
}
private void GGCodeMaskBox_TextChanged(object sender, EventArgs e)
{
if (_processing == false)
{
_processing = true;
// insert REGEX Remove non HEXA char
if (Regex.IsMatch(GGCodeMaskBox.Text, @"[^a-fA-F0-9]"))
{
GGCodeMaskBox.Text = Regex.Replace(GGCodeMaskBox.Text, @"[^a-fA-F0-9]", "");
}
if (GGCodeMaskBox.Text.Length > 0)
{
var val = -1;
var add = -1;
var cmp = -1;
GBGGDecode(GGCodeMaskBox.Text, ref val, ref add, ref cmp);
if (add > -1)
{
AddressBox.Text = string.Format("{0:X4}", add);
}
if (val > -1)
{
ValueBox.Text = string.Format("{0:X2}", val);
}
if (cmp > -1)
{
CompareBox.Text = string.Format("{0:X2}", cmp);
}
else
{
CompareBox.Text = "";
}
addcheatbt.Enabled = true;
}
else
{
AddressBox.Text = "";
ValueBox.Text = "";
CompareBox.Text = "";
addcheatbt.Enabled = false;
}
_processing = false;
}
}
#endregion
}
}