/// <summary>
/// Overwrite the clockspeed (see Settings.ClockSpeed for details)
/// </summary>
/// <param name="clockSpeed"></param>
private void WriteClockSpeed(ClockSpeed clockSpeed)
{
byte speed;
short invertedModifier;
switch (clockSpeed)
{
default:
case ClockSpeed.Default:
speed = 3;
invertedModifier = -2;
break;
case ClockSpeed.VerySlow:
speed = 1;
invertedModifier = 0;
break;
case ClockSpeed.Slow:
speed = 2;
invertedModifier = -1;
break;
case ClockSpeed.Fast:
speed = 6;
invertedModifier = -4;
break;
case ClockSpeed.VeryFast:
speed = 9;
invertedModifier = -6;
break;
case ClockSpeed.SuperFast:
speed = 18;
invertedModifier = -12;
break;
}
ResourceUtils.ApplyHack(Values.ModsDirectory + "fix-clock-speed");
var codeFileAddress = 0xB3C000;
var hackAddressOffset = 0x8A674;
var modificationOffset = 0x1B;
ReadWriteUtils.WriteToROM(codeFileAddress + hackAddressOffset + modificationOffset, speed);
var invertedModifierOffsets = new List <int>
{
0xB1B8E,
0x7405E
};
foreach (var offset in invertedModifierOffsets)
{
ReadWriteUtils.WriteToROM(codeFileAddress + offset, (ushort)invertedModifier);
}
}
private void WriteMuteMusic()
{
if (_settings.NoBGM)
{
var codeFileAddress = 0xB3C000;
var offset = 0x102350; // address for branch when scene music is loaded
ReadWriteUtils.WriteToROM(codeFileAddress + offset, 0x1000); // change to always branch (do not load)
}
}
/// <summary>
/// Patch existing <see cref="MMFile"/> files.
/// </summary>
public void WriteToROM(Symbols symbols)
{
foreach (var data in _data)
{
if (TABLE_END <= data.Address && data.Address < symbols.PayloadStart)
{
ReadWriteUtils.WriteToROM((int)data.Address, data.Data);
}
}
}
/// <summary>
/// Write a <see cref="DPadConfig"/> to the ROM.
/// </summary>
/// <remarks>Assumes <see cref="Patcher"/> file has been inserted.</remarks>
/// <param name="config">D-Pad config</param>
public void WriteDPadConfig(DPadConfig config)
{
// Write DPad config bytes.
var addr = this["DPAD_CONFIG"];
ReadWriteUtils.WriteToROM((int)addr, config.Pad.Bytes);
// Write DPad state
WriteDPadState(config.State);
}
/// <summary>
/// Write a <see cref="DPadConfig"/> to the ROM.
/// </summary>
/// <remarks>Assumes <see cref="Patcher"/> file has been inserted.</remarks>
/// <param name="config">D-Pad config</param>
void WriteDPadConfigLegacy(DPadConfig config)
{
// Write DPad config bytes.
var addr = this["DPAD_CONFIG"];
ReadWriteUtils.WriteToROM((int)addr, config.Pad.Bytes);
// Write DPad state byte.
addr = this["DPAD_STATE"];
ReadWriteUtils.WriteToROM((int)addr, (byte)config.State);
}
private void WriteFreeItems(params Item[] items)
{
Dictionary <int, byte> startingItems = new Dictionary <int, byte>();
PutOrCombine(startingItems, 0xC5CE72, 0x10); // add Song of Time
var itemList = items.ToList();
if (_settings.CustomStartingItemList != null)
{
itemList.AddRange(_settings.CustomStartingItemList);
}
itemList.Add(Item.StartingHeartContainer1);
while (itemList.Count(item => item.Name() == "Piece of Heart") >= 4)
{
itemList.Add(Item.StartingHeartContainer1);
for (var i = 0; i < 4; i++)
{
var heartPiece = itemList.First(item => item.Name() == "Piece of Heart");
itemList.Remove(heartPiece);
}
}
itemList = itemList
.GroupBy(item => ItemUtils.ForbiddenStartTogether.FirstOrDefault(fst => fst.Contains(item)))
.SelectMany(g => g.Key == null ? g.ToList() : g.OrderByDescending(item => g.Key.IndexOf(item)).Take(1))
.ToList();
foreach (var item in itemList)
{
var startingItemValues = item.GetAttributes <StartingItemAttribute>();
if (!startingItemValues.Any() && !_settings.NoStartingItems)
{
throw new Exception($@"Invalid starting item ""{item}""");
}
foreach (var startingItem in startingItemValues)
{
PutOrCombine(startingItems, startingItem.Address, startingItem.Value, startingItem.IsAdditional);
}
}
foreach (var kvp in startingItems)
{
ReadWriteUtils.WriteToROM(kvp.Key, kvp.Value);
}
if (itemList.Count(item => item.Name() == "Heart Container") == 1)
{
ReadWriteUtils.WriteToROM(0x00B97E8F, 0x0C); // reduce low health beep threshold
}
}
private void WriteFreeItem(int Item)
{
ReadWriteUtils.WriteToROM(Items.ITEM_ADDRS[Item], Items.ITEM_VALUES[Item]);
switch (Item)
{
case Items.ItemBow:
ReadWriteUtils.WriteToROM(0xC5CE6F, (byte)0x01);
break;
case Items.ItemBombBag:
ReadWriteUtils.WriteToROM(0xC5CE6F, (byte)0x08);
break;
case Items.UpgradeRazorSword: //sword upgrade
ReadWriteUtils.WriteToROM(0xC5CE00, (byte)0x4E);
break;
case Items.UpgradeGildedSword:
ReadWriteUtils.WriteToROM(0xC5CE00, (byte)0x4F);
break;
case Items.UpgradeBigQuiver: //quiver upgrade
ReadWriteUtils.WriteToROM(0xC5CE6F, (byte)0x02);
break;
case Items.UpgradeBiggestQuiver:
ReadWriteUtils.WriteToROM(0xC5CE6F, (byte)0x03);
break;
case Items.UpgradeBigBombBag: //bomb bag upgrade
ReadWriteUtils.WriteToROM(0xC5CE6F, (byte)0x10);
break;
case Items.UpgradeBiggestBombBag:
ReadWriteUtils.WriteToROM(0xC5CE6F, (byte)0x18);
break;
default:
break;
}
}
private void WriteFreeItems(params Item[] items)
{
Dictionary <int, byte> startingItems = new Dictionary <int, byte>();
PutOrCombine(startingItems, 0xC5CE72, 0x10); // add Song of Time
// can't start with more than 15 hearts with this method. heart container value is two bytes
PutOrCombine(startingItems, 0xC5CDE9, 0x10, true); // add Heart Container
PutOrCombine(startingItems, 0xC5CDEB, 0x10, true); // add current health
PutOrCombine(startingItems, 0xC40E1B, 0x10, true); // add respawn health
var itemList = items.ToList();
while (itemList.Count(item => item.Name() == "Piece of Heart") >= 4)
{
itemList.Add(Item.StartingHeartContainer1);
for (var i = 0; i < 4; i++)
{
var heartPiece = itemList.First(item => item.Name() == "Piece of Heart");
itemList.Remove(heartPiece);
}
}
foreach (var item in itemList)
{
var startingItemValues = item.GetAttributes <StartingItemAttribute>();
if (!startingItemValues.Any() && !_settings.NoStartingItems)
{
throw new Exception($@"Invalid starting item ""{item}""");
}
foreach (var startingItem in startingItemValues)
{
PutOrCombine(startingItems, startingItem.Address, startingItem.Value, startingItem.IsAdditional);
}
}
foreach (var kvp in startingItems)
{
ReadWriteUtils.WriteToROM(kvp.Key, kvp.Value);
}
}
private void WriteBlastMaskCooldown()
{
ushort value;
switch (_settings.BlastMaskCooldown)
{
default:
case BlastMaskCooldown.Default:
value = 0x136; // 310 frames
break;
case BlastMaskCooldown.Instant:
value = 0x1; // 1 frame
break;
case BlastMaskCooldown.VeryShort:
value = 0x20; // 32 frames
break;
case BlastMaskCooldown.Short:
value = 0x80; // 128 frames
break;
case BlastMaskCooldown.Long:
value = 0x200; // 512 frames
break;
case BlastMaskCooldown.VeryLong:
value = 0x400; // 1024 frames
break;
}
var codeFileAddress = 0x00CA7F00;
var offset = 0x002766;
ReadWriteUtils.WriteToROM(codeFileAddress + offset, value);
}
private void WriteFreeItems(params int[] itemIds)
{
Dictionary <int, byte> startingItems = new Dictionary <int, byte>();
if (!itemIds.Contains(Items.UpgradeRazorSword) && !itemIds.Contains(Items.UpgradeGildedSword))
{
PutOrCombine(startingItems, 0xC5CE21, 0x01); // add Kokiri Sword
}
if (!itemIds.Contains(Items.UpgradeMirrorShield))
{
PutOrCombine(startingItems, 0xC5CE21, 0x10); // add Hero's Shield
}
PutOrCombine(startingItems, 0xC5CE72, 0x10); // add Song of Time
foreach (var id in itemIds)
{
var itemAddress = Items.ITEM_ADDRS[id];
var itemValue = Items.ITEM_VALUES[id];
PutOrCombine(startingItems, itemAddress, itemValue, ItemUtils.IsHeartPiece(id));
switch (id)
{
case Items.ItemBow:
PutOrCombine(startingItems, 0xC5CE6F, 0x01);
break;
case Items.ItemBombBag:
PutOrCombine(startingItems, 0xC5CE6F, 0x08);
break;
case Items.UpgradeRazorSword: //sword upgrade
startingItems[0xC5CE00] = 0x4E;
break;
case Items.UpgradeGildedSword:
startingItems[0xC5CE00] = 0x4F;
break;
case Items.UpgradeBigQuiver: //quiver upgrade
PutOrCombine(startingItems, 0xC5CE6F, 0x02);
break;
case Items.UpgradeBiggestQuiver:
PutOrCombine(startingItems, 0xC5CE6F, 0x03);
break;
case Items.UpgradeBigBombBag: //bomb bag upgrade
PutOrCombine(startingItems, 0xC5CE6F, 0x10);
break;
case Items.UpgradeBiggestBombBag:
PutOrCombine(startingItems, 0xC5CE6F, 0x18);
break;
default:
break;
}
}
foreach (var kvp in startingItems)
{
ReadWriteUtils.WriteToROM(kvp.Key, kvp.Value);
}
}
/// <summary>
/// Write <see cref="MimicItemTable"/> table to ROM.
/// </summary>
/// <param name="table">Table</param>
public void WriteMimicItemTable(MimicItemTable table)
{
var addr = this["ITEM_OVERRIDE_ENTRIES"];
ReadWriteUtils.WriteToROM((int)addr, table.Build());
}