Method on_pushLuaExample_clicked

src/conditiondialog.cpp:1546–1601

}

void ConditionDialog::on_pushLuaExample_clicked()
{
    QStringList examples = {
        tr("Empty check functions"),
        tr("Village along the way from A to B"),
    };
    QMap<QString, QString> code = {
        {   examples[0],
            "-- check48() is an optional function to check 48-bit seed bases.\n"
            "function check48(seed, at, deps)\n"
            "\t-- Return a position (x, z), or nil to fail the check.\n"
            "\treturn at.x, at.z\n"
            "end\n\n"
            "-- check() determines if the condition passes.\n"
            "-- seed: current seed\n"
            "-- at  : {x, z} where the condition is tested\n"
            "-- deps: list of {x, z, id, parent} entries for the dependent\n"
            "--       conditions (i.e. those later in the condition list)\n"
            "function check(seed, at, deps)\n"
            "\t-- Return a position (x, z), or nil to fail the check.\n"
            "\treturn at.x, at.z\n"
            "end"
        },
        {   examples[1],
            "-- Look for a village located between the first two dependent conditions\n"
            "function check(seed, at, deps)\n"
            "\tif #deps < 2 then return nil end -- fail with no dependencies\n"
            "\tlocal a, b = deps[1], deps[2]\n"
            "\tvils = getStructures(Village, a.x, a.z, b.x, b.z)\n"
            "\tif vils == nil then return nil end\n"
            "\tfor i = 1, #vils do\n"
            "\t\t-- calculate the square distance to the line a -> b\n"
            "\t\tlocal dx, dz = b.x - a.x, b.z - a.z\n"
            "\t\tlocal d = dx * (vils[i].z - a.z) - dz * (vils[i].x - a.x)\n"
            "\t\td = (d * d) / (dx * dx + dz * dz + 1)\n"
            "\t\tif d < 32*32 then -- village within 32 blocks of the line\n"
            "\t\t\treturn vils[i].x, vils[i].z\n"
            "\t\tend\n"
            "\tend\n"
            "\treturn nil\n"
            "end"
        },
    };

    QInputDialog *dialog = new QInputDialog(this);
    dialog->setWindowTitle(tr("Lua examples"));
    dialog->setLabelText(tr("Replace editor content with example:"));
    dialog->setComboBoxItems(examples);
    dialog->setTextValue(examples.first());
    dialog->setComboBoxEditable(false);
    connect(dialog, &QInputDialog::textValueSelected, [=](const QString &text) {
        if (code.contains(text))
            ui->textEditLua->document()->setPlainText(code[text]);
    });
    dialog->show();
}

void ConditionDialog::on_comboHeightRange_currentIndexChanged(int index)