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This commit is contained in:
KingRainbow44 2022-06-26 13:00:23 -04:00
parent 269149bb1f
commit f86b4bec11
1 changed files with 17 additions and 27 deletions
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44
src/main/java/emu/grasscutter/utils/Utils.java
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@ -26,19 +26,19 @@ import static emu.grasscutter.utils.Language.translate;
@SuppressWarnings({"UnusedReturnValue", "BooleanMethodIsAlwaysInverted"})
public final class Utils {
public static final Random random = new Random();
public static int randomRange(int min, int max) {
return random.nextInt(max - min + 1) + min;
}
public static float randomFloatRange(float min, float max) {
return random.nextFloat() * (max - min) + min;
}
public static double getDist(Position pos1, Position pos2) {
double xs = pos1.getX() - pos2.getX();
xs = xs * xs;
double ys = pos1.getY() - pos2.getY();
ys = ys * ys;
@ -51,13 +51,13 @@ public final class Utils {
public static int getCurrentSeconds() {
return (int) (System.currentTimeMillis() / 1000.0);
}
public static String lowerCaseFirstChar(String s) {
StringBuilder sb = new StringBuilder(s);
sb.setCharAt(0, Character.toLowerCase(sb.charAt(0)));
return sb.toString();
}
public static String toString(InputStream inputStream) throws IOException {
BufferedInputStream bis = new BufferedInputStream(inputStream);
ByteArrayOutputStream buf = new ByteArrayOutputStream();
@ -66,13 +66,13 @@ public final class Utils {
}
return buf.toString();
}
public static void logByteArray(byte[] array) {
ByteBuf b = Unpooled.wrappedBuffer(array);
Grasscutter.getLogger().info("\n" + ByteBufUtil.prettyHexDump(b));
b.release();
}
private static final char[] HEX_ARRAY = "0123456789abcdef".toCharArray();
public static String bytesToHex(byte[] bytes) {
if (bytes == null) return "";
@ -84,17 +84,17 @@ public final class Utils {
}
return new String(hexChars);
}
public static String bytesToHex(ByteBuf buf) {
return bytesToHex(byteBufToArray(buf));
}
public static byte[] byteBufToArray(ByteBuf buf) {
byte[] bytes = new byte[buf.capacity()];
buf.getBytes(0, bytes);
return bytes;
}
public static int abilityHash(String str) {
int v7 = 0;
int v8 = 0;
@ -146,22 +146,12 @@ public final class Utils {
Files.copy(stream, new File(destination).toPath(), StandardCopyOption.REPLACE_EXISTING);
return true;
} catch (Exception e) {
Grasscutter.getLogger().warn("Unable to copy resource " + resource + " to " + destination, e);
} catch (Exception exception) {
Grasscutter.getLogger().warn("Unable to copy resource " + resource + " to " + destination, exception);
return false;
}
}
/**
* Get object with null fallback.
* @param nonNull The object to return if not null.
* @param fallback The object to return if null.
* @return One of the two provided objects.
*/
public static <T> T requireNonNullElseGet(T nonNull, T fallback) {
return nonNull != null ? nonNull : fallback;
}
/**
* Logs an object to the console.
* @param object The object to log.
@ -170,7 +160,7 @@ public final class Utils {
String asJson = Grasscutter.getGsonFactory().toJson(object);
Grasscutter.getLogger().info(asJson);
}
/**
* Checks for required files and folders before startup.
*/
@ -261,7 +251,7 @@ public final class Utils {
*/
public static String readFromInputStream(@Nullable InputStream stream) {
if(stream == null) return "empty";
StringBuilder stringBuilder = new StringBuilder();
try (BufferedReader reader = new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8))) {
String line; while ((line = reader.readLine()) != null) {
@ -276,7 +266,7 @@ public final class Utils {
/**
* Performs a linear interpolation using a table of fixed points to create an effective piecewise f(x) = y function.
* @param x
* @param x The x value.
* @param xyArray Array of points in [[x0,y0], ... [xN, yN]] format
* @return f(x) = y
*/
@ -294,7 +284,7 @@ public final class Utils {
}
if (x < xyArray[i+1][0]) {
// We are between [i] and [i+1], interpolation time!
// Using floats would be slightly cleaner but we can just as easily use ints if we're careful with order of operations.
// Using floats would be slightly cleaner but we can just as easily use ints if we're careful with order of operations.
int position = x - xyArray[i][0];
int fullDist = xyArray[i+1][0] - xyArray[i][0];
int prevValue = xyArray[i][1];