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Added mouse hover effects for song buttons in song menu.

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Signed-off-by: Jeffrey Han <itdelatrisu@gmail.com>
This commit is contained in:
Jeffrey Han 2015-01-08 16:28:49 -05:00
parent db4ca5f1d5
commit ab0d3d1528
1 changed files with 73 additions and 10 deletions
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83
src/itdelatrisu/opsu/states/SongMenu.java
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@ -65,6 +65,11 @@ public class SongMenu extends BasicGameState {
*/
private static final int SEARCH_DELAY = 500;
/**
* Maximum x offset of song buttons for mouse hover, in pixels.
*/
private static final float MAX_HOVER_OFFSET = 30f;
/**
* Current start node (topmost menu entry).
*/
@ -97,6 +102,16 @@ public class SongMenu extends BasicGameState {
buttonX, buttonY, buttonOffset,
buttonWidth, buttonHeight;
/**
* Current x offset of song buttons for mouse hover, in pixels.
*/
private float hoverOffset = 0f;
/**
* Current index of hovered song button.
*/
private int hoverIndex = -1;
/**
* The options button (to enter the "Game Options" menu).
*/
@ -229,10 +244,10 @@ public class SongMenu extends BasicGameState {
// song buttons
OsuGroupNode node = startNode;
for (int i = 0; i < MAX_BUTTONS && node != null; i++) {
node.draw(buttonX, buttonY + (i*buttonOffset), (node == focusNode));
for (int i = 0; i < MAX_BUTTONS && node != null; i++, node = node.next) {
float offset = (i == hoverIndex) ? hoverOffset : 0f;
node.draw(buttonX - offset, buttonY + (i*buttonOffset), (node == focusNode));
Utils.loadGlyphs(node.osuFiles.get(0));
node = node.next;
}
// options button
@ -329,6 +344,32 @@ public class SongMenu extends BasicGameState {
if (buttonY > targetY)
buttonY = targetY;
}
// mouse hover
OsuGroupNode node = startNode;
boolean isHover = false;
for (int i = 0; i < MAX_BUTTONS && node != null; i++, node = node.next) {
float cx = (node.index == Opsu.groups.getExpandedIndex()) ? buttonX * 0.9f : buttonX;
if ((mouseX > cx && mouseX < cx + buttonWidth) &&
(mouseY > buttonY + (i * buttonOffset) && mouseY < buttonY + (i * buttonOffset) + buttonHeight)) {
if (i == hoverIndex) {
if (hoverOffset < MAX_HOVER_OFFSET) {
hoverOffset += delta / 3f;
if (hoverOffset > MAX_HOVER_OFFSET)
hoverOffset = MAX_HOVER_OFFSET;
}
} else {
hoverIndex = i;
hoverOffset = 0f;
}
isHover = true;
break;
}
}
if (!isHover) {
hoverOffset = 0f;
hoverIndex = -1;
}
}
@Override
@ -382,6 +423,8 @@ public class SongMenu extends BasicGameState {
float cx = (node.index == expandedIndex) ? buttonX * 0.9f : buttonX;
if ((x > cx && x < cx + buttonWidth) &&
(y > buttonY + (i * buttonOffset) && y < buttonY + (i * buttonOffset) + buttonHeight)) {
float oldHoverOffset = hoverOffset;
int oldHoverIndex = hoverIndex;
// clicked node is already expanded
if (node.index == expandedIndex) {
@ -394,15 +437,19 @@ public class SongMenu extends BasicGameState {
SoundController.playSound(SoundEffect.MENUCLICK);
setFocus(node, 0, false);
}
break;
}
// clicked node is a new group
else {
SoundController.playSound(SoundEffect.MENUCLICK);
setFocus(node, -1, false);
break;
}
// restore hover data
hoverOffset = oldHoverOffset;
hoverIndex = oldHoverIndex;
break;
}
}
}
@ -500,6 +547,8 @@ public class SongMenu extends BasicGameState {
Display.setTitle(game.getTitle());
Utils.getBackButton().setScale(1f);
optionsButton.setScale(1f);
hoverOffset = 0f;
hoverIndex = -1;
// stop playing the theme song
if (MusicController.isThemePlaying() && focusNode != null)
@ -515,29 +564,41 @@ public class SongMenu extends BasicGameState {
/**
* Shifts the startNode forward (+) or backwards (-) by a given number of nodes.
* Initiates sliding "animation" by shifting the button Y position.
* @param shift the number of nodes to shift
*/
private void changeIndex(int shift) {
while (shift != 0) {
if (shift == 0)
return;
int n = shift;
boolean shifted = false;
while (n != 0) {
if (startNode == null)
break;
int height = container.getHeight();
if (shift < 0 && startNode.prev != null) {
if (n < 0 && startNode.prev != null) {
startNode = startNode.prev;
buttonY += buttonOffset / 4;
if (buttonY > height * 0.18f)
buttonY = height * 0.18f;
shift++;
} else if (shift > 0 && startNode.next != null &&
n++;
shifted = true;
} else if (n > 0 && startNode.next != null &&
Opsu.groups.getNode(startNode, MAX_BUTTONS) != null) {
startNode = startNode.next;
buttonY -= buttonOffset / 4;
if (buttonY < height * 0.14f)
buttonY = height * 0.14f;
shift--;
n--;
shifted = true;
} else
break;
}
if (shifted) {
hoverOffset = 0f;
hoverIndex = -1;
}
return;
}
@ -552,6 +613,8 @@ public class SongMenu extends BasicGameState {
if (node == null)
return null;
hoverOffset = 0f;
hoverIndex = -1;
songInfo = null;
OsuGroupNode oldFocus = focusNode;