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Replaced asserts with proper runtime exceptions

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This commit is contained in:
Elias Naur 2004-03-27 11:55:07 +00:00
parent afb8491cfa
commit c093f3ace1
11 changed files with 1058 additions and 1013 deletions
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29
src/java/org/lwjgl/input/Mouse.java
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@ -167,7 +167,10 @@ public class Mouse {
* @throws Exception if the cursor could not be set for any reason
*/
public static Cursor setNativeCursor(Cursor cursor) throws Exception {
assert created && ((getNativeCursorCaps() | CURSOR_ONE_BIT_TRANSPARENCY) != 0);
if (!created)
throw new IllegalStateException("Create the Mouse before setting the native cursor");
if ((getNativeCursorCaps() & CURSOR_ONE_BIT_TRANSPARENCY) == 0)
throw new IllegalStateException("Mouse doesn't support native cursors");
Cursor oldCursor = currentCursor;
currentCursor = cursor;
if (currentCursor != null) {
@ -239,7 +242,8 @@ public class Mouse {
*/
public static void create() throws Exception {
assert Window.isCreated() : "Window must be created prior to creating mouse";
if (!Window.isCreated())
throw new IllegalStateException("Window must be created prior to creating mouse");
if (!initialized) {
initialize();
@ -327,7 +331,8 @@ public class Mouse {
* @see org.lwjgl.input.Mouse#read()
*/
public static void poll() {
assert created : "The mouse has not been created.";
if (!created)
throw new IllegalStateException("Mouse must be created before you can poll it");
nPoll();
// set absolute position
@ -363,7 +368,8 @@ public class Mouse {
* @return true if the specified button is down
*/
public static boolean isButtonDown(int button) {
assert created : "The mouse has not been created.";
if (!created)
throw new IllegalStateException("Mouse must be created before you can poll the button state");
if (button >= buttonCount || button < 0)
return false;
else
@ -398,7 +404,8 @@ public class Mouse {
* Enable mouse button buffering. Must be called after the mouse is created.
*/
public static void enableBuffer() throws Exception {
assert created : "The mouse has not been created.";
if (!created)
throw new IllegalStateException("Mouse must be created before you can enable buffering");
readBuffer = BufferUtils.createByteBuffer(2*BUFFER_SIZE);
readBuffer.limit(0);
nEnableBuffer();
@ -424,8 +431,10 @@ public class Mouse {
* @see org.lwjgl.input.Mouse#getEventButtonState()
*/
public static void read() {
assert created : "The mouse has not been created.";
assert readBuffer != null : "Mouse buffering has not been enabled.";
if (!created)
throw new IllegalStateException("Mouse must be created before you can read events");
if (readBuffer == null)
throw new IllegalStateException("Event buffering must be enabled before you can read events");
readBuffer.compact();
int numEvents = nRead(readBuffer, readBuffer.position());
readBuffer.position(readBuffer.position() + numEvents*2);
@ -447,8 +456,10 @@ public class Mouse {
* @return true if a mouse event was read, false otherwise
*/
public static boolean next() {
assert created : "The mouse has not been created.";
assert readBuffer != null : "Mouse buffering has not been enabled.";
if (!created)
throw new IllegalStateException("Mouse must be created before you can read events");
if (readBuffer == null)
throw new IllegalStateException("Event buffering must be enabled before you can read events");
if (readBuffer.hasRemaining()) {
eventButton = readBuffer.get() & 0xFF;