public static DesignBlock fromDesignString(
boolean isStarbase, int designNumber, boolean isRs, String designString, String name)
throws Exception {
DesignBlock designBlock = new DesignBlock();
designBlock.isFullDesign = true;
String[] parts = designString.split(",");
byte hull = Items.getHullIdOfUserString(parts[0]);
designBlock.isStarbase = isStarbase;
designBlock.designNumber = designNumber;
designBlock.hullId = hull;
designBlock.pic = 4 * hull;
if (hull == 29) designBlock.pic = 4 * 31; // No idea why these pics are swapped
else if (hull == 31) designBlock.pic = 4 * 29;
designBlock.armor = Items.ships[hull].armor;
designBlock.slotCount = Items.ships[hull].slotCount;
designBlock.slots = new ArrayList<DesignBlock.Slot>();
for (int slot = 0; slot < designBlock.slotCount; slot++) {
if (parts.length <= slot + 1) {
designBlock.slots.add(new Slot());
continue;
}
int slotSize = Items.ships[hull].slotSizes[slot];
Slot slotInfo = Items.getSlotOfUserString(parts[slot + 1]);
if (slotInfo.count < 0 || slotInfo.count > slotSize) slotInfo.count = slotSize;
Integer armor = Items.itemArmors.get((slotInfo.category << 8) | slotInfo.itemId);
if (armor != null) {
if (isRs && slotInfo.category == Items.TechCategory.Armor.getMask()) {
designBlock.armor += slotInfo.count * (armor / 2);
} else {
designBlock.armor += slotInfo.count * armor;
}
}
designBlock.slots.add(slotInfo);
}
designBlock.nameBytes = Util.encodeStringForStarsFile(name);
designBlock.encode();
return designBlock;
}
@Override
public void encode() {
calculateMassAndFuelCapacity();
byte[] data;
if (isFullDesign) {
data = new byte[4 + 13 + 4 * slotCount + nameBytes.length];
} else {
data = new byte[6 + nameBytes.length];
}
if (isFullDesign) data[0] = 7;
else data[0] = 3;
data[1] = 1;
data[1] |= designNumber << 2;
if (isTransferred) data[1] |= 0x80;
if (isStarbase) data[1] |= 0x40;
data[2] = (byte) hullId;
data[3] = (byte) pic;
int index;
if (isFullDesign) {
Util.write16(data, 4, armor);
data[6] = (byte) slotCount;
Util.write16(data, 7, turnDesigned);
Util.write32(data, 9, totalBuilt);
Util.write32(data, 13, totalRemaining);
index = 17;
for (Slot slot : slots) {
Util.write16(data, index, slot.category);
index += 2;
data[index++] = (byte) slot.itemId;
data[index++] = (byte) slot.count;
}
} else {
Util.write16(data, 4, mass);
index = 6;
}
System.arraycopy(nameBytes, 0, data, index, nameBytes.length);
setDecryptedData(data, data.length);
setData(data, data.length);
encrypted = false;
}
@Override
public void decode() throws Exception {
if ((decryptedData[0] & 3) != 3) {
throw new Exception("Unexpected design first byte: " + this);
}
if ((decryptedData[0] & 0xF8) != 0) {
throw new Exception("Unexpected design first byte: " + this);
}
isFullDesign = (decryptedData[0] & 0x04) == 0x04;
if ((decryptedData[1] & 0x02) != 0) {
throw new Exception("Unexpected design second byte: " + this);
}
if ((decryptedData[1] & 0x01) != 0x01) {
throw new Exception("Unexpected design second byte: " + this);
}
isTransferred = (decryptedData[1] & 0x80) == 0x80;
isStarbase = (decryptedData[1] & 0x40) == 0x40;
designNumber = (decryptedData[1] & 0x3C) >> 2;
hullId = decryptedData[2] & 0xFF;
fuelCapacity = Items.ships[hullId].fuel;
pic = decryptedData[3] & 0xFF;
int index;
if (isFullDesign) {
if (isStarbase) mass = 0;
else mass = Items.ships[hullId].mass;
armor = Util.read16(decryptedData, 4);
slotCount = decryptedData[6] & 0xFF;
turnDesigned = Util.read16(decryptedData, 7);
totalBuilt = Util.read32(decryptedData, 9);
totalRemaining = Util.read32(decryptedData, 13);
index = 17;
slots.clear();
for (int i = 0; i < slotCount; i++) {
Slot slot = new Slot();
slot.category = Util.read16(decryptedData, index);
index += 2;
slot.itemId = Util.read8(decryptedData[index++]);
slot.count = Util.read8(decryptedData[index++]);
slots.add(slot);
if (slot.count > 0) {
int key = (slot.category << 8) | (slot.itemId & 0xFF);
mass += slot.count * Items.itemMasses.get(key);
if (slot.category == Items.TechCategory.Mechanical.getMask()) {
if (slot.itemId == 5) fuelCapacity += slot.count * 250;
if (slot.itemId == 6) fuelCapacity += slot.count * 500;
}
if (slot.category == Items.TechCategory.Electrical.getMask()) {
if (slot.itemId == 16) fuelCapacity += slot.count * 200;
}
}
}
} else {
mass = Util.read16(decryptedData, 4);
index = 6;
}
int nameLen = decryptedData[index];
nameBytes = new byte[1 + nameLen];
System.arraycopy(decryptedData, index, nameBytes, 0, 1 + nameLen);
index += 1 + nameLen;
if (index != size) {
throw new Exception("Unexpected design size: " + this);
}
}