/**
* Validates the IC's environment. The position of the sign is given. Return a string in order to
* state an error message and deny creation, otherwise return null to allow.
*
* @param sign
* @return
*/
public String validateEnvironment(Vector pos, SignText sign) {
String yOffsetLine = sign.getLine3();
try {
if (yOffsetLine.length() > 0) {
Integer.parseInt(yOffsetLine);
}
} catch (NumberFormatException e) {
return "The third line must be a number or be blank.";
}
return null;
}
public void think(ChipState chip) {
SignText t = chip.getText();
String code;
try {
code = getCode(chip.getWorld(), chip.getPosition());
} catch (PlcException e) {
t.setLine2("§c" + t.getLine2());
t.setLine3("!ERROR!");
t.setLine4("code not found");
return;
}
if (!t.getLine3().equals("HASH:" + Integer.toHexString(code.hashCode()))) {
t.setLine2("§c" + t.getLine2());
t.setLine3("!ERROR!");
t.setLine4("code modified");
return;
}
boolean[] output;
try {
output = language.tick(chip, code);
} catch (PlcException e) {
t.setLine2("§c" + t.getLine2());
t.setLine3("!ERROR!");
t.setLine4(e.getMessage());
return;
} catch (Throwable r) {
t.setLine2("§c" + t.getLine2());
t.setLine3("!ERROR!");
t.setLine4(r.getClass().getSimpleName());
return;
}
try {
for (int i = 0; i < output.length; i++) {
Signal out = chip.getOut(i + 1);
if (out == null) break;
out.set(output[i]);
}
} catch (ArrayIndexOutOfBoundsException e) {
t.setLine2("§c" + t.getLine2());
t.setLine3("!ERROR!");
t.setLine4("too many outputs");
return;
}
t.supressUpdate();
}
public String validateEnvironment(ServerInterface i, WorldInterface w, Vector v, SignText t) {
if (!t.getLine3().isEmpty()) return "line 3 is not empty";
String code;
try {
code = getCode(w, v);
} catch (PlcException e) {
return "Code block not found.";
}
t.setLine3("HASH:" + Integer.toHexString(code.hashCode()));
return validateEnviromentEx(i, w, v, t);
}