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Funkin/source/funkin/ui/credits/CreditsState.hx
2024-05-31 10:39:53 +01:00

218 lines
5.2 KiB
Haxe

package funkin.ui.credits;
import flixel.text.FlxText;
import flixel.util.FlxColor;
import funkin.audio.FunkinSound;
import flixel.FlxSprite;
import funkin.ui.mainmenu.MainMenuState;
import flixel.group.FlxSpriteGroup;
/**
* The state used to display the credits scroll.
*/
class CreditsState extends MusicBeatState
{
/**
* The height the credits should start at.
* Make this an instanced variable so it gets set by the constructor.
*/
final STARTING_HEIGHT = FlxG.height;
/**
* The padding on each side of the screen.
*/
static final SCREEN_PAD = 24;
/**
* The width of the screen the credits should maximally fill up.
* Make this an instanced variable so it gets set by the constructor.
*/
final FULL_WIDTH = FlxG.width - (SCREEN_PAD * 2);
/**
* The font to use to display the text.
* To use a font from the `assets` folder, use `Paths.font(...)`.
* Choose something that will render Unicode properly.
*/
static final CREDITS_FONT = 'Consolas';
/**
* The size of the font.
*/
static final CREDITS_FONT_SIZE = 24;
static final CREDITS_HEADER_FONT_SIZE = 32;
/**
* The color of the text itself.
*/
static final CREDITS_FONT_COLOR = FlxColor.WHITE;
/**
* The color of the text's outline.
*/
static final CREDITS_FONT_STROKE_COLOR = FlxColor.BLACK;
/**
* The speed the credits scroll at, in pixels per second.
*/
static final CREDITS_SCROLL_BASE_SPEED = 100.0;
/**
* The speed the credits scroll at while the button is held, in pixels per second.
*/
static final CREDITS_SCROLL_FAST_SPEED = CREDITS_SCROLL_BASE_SPEED * 4.0;
/**
* The actual sprites and text used to display the credits.
*/
var creditsGroup:FlxSpriteGroup;
var scrollPaused:Bool = false;
public function new()
{
super();
}
public override function create():Void
{
super.create();
// Background
var bg = new FlxSprite(Paths.image('menuDesat'));
bg.scrollFactor.x = 0;
bg.scrollFactor.y = 0;
bg.setGraphicSize(Std.int(FlxG.width));
bg.updateHitbox();
bg.x = 0;
bg.y = 0;
bg.alpha = 0.1;
bg.visible = true;
bg.color = 0xFFB57EDC; // Lavender
// add(bg);
// TODO: Once we need to display Kickstarter backers,
// make this use a recycled pool so we don't kill peformance.
creditsGroup = new FlxSpriteGroup();
creditsGroup.x = SCREEN_PAD;
creditsGroup.y = STARTING_HEIGHT;
buildCreditsGroup();
add(creditsGroup);
// Music
FunkinSound.playMusic('freeplayRandom',
{
startingVolume: 0.0,
overrideExisting: true,
restartTrack: true,
loop: true
});
FlxG.sound.music.fadeIn(6, 0, 0.8);
}
function buildCreditsGroup():Void
{
var y:Float = 0;
for (entry in CreditsDataHandler.CREDITS_DATA.entries)
{
if (entry.header != null)
{
var header = buildCreditsLine(entry.header, y, true, CreditsSide.Left);
header.bold = true;
creditsGroup.add(header);
y += CREDITS_HEADER_FONT_SIZE + (header.textField.numLines * CREDITS_HEADER_FONT_SIZE);
}
for (line in entry?.body ?? [])
{
var entry = buildCreditsLine(line.line, y, false, CreditsSide.Left);
creditsGroup.add(entry);
y += CREDITS_FONT_SIZE * entry.textField.numLines;
}
if (entry.appendBackers)
{
var backers = CreditsDataHandler.fetchBackerEntries();
for (backer in backers)
{
creditsGroup.add(buildCreditsLine(backer, y, false, CreditsSide.Left));
y += CREDITS_FONT_SIZE;
}
}
// Padding between each role.
y += CREDITS_FONT_SIZE * 2.5;
}
}
function buildCreditsLine(text:String, yPos:Float, header:Bool, side:CreditsSide = CreditsSide.Center):FlxText
{
// CreditsSide.Center: Full screen width
// CreditsSide.Left: Left half of screen
// CreditsSide.Right: Right half of screen
var xPos = (side == CreditsSide.Right) ? (FULL_WIDTH / 2) : 0;
var width = (side == CreditsSide.Center) ? FULL_WIDTH : (FULL_WIDTH / 2);
var size = header ? CREDITS_HEADER_FONT_SIZE : CREDITS_FONT_SIZE;
var creditsLine:FlxText = new FlxText(xPos, yPos, width, text);
creditsLine.setFormat(CREDITS_FONT, size, CREDITS_FONT_COLOR, FlxTextAlign.LEFT, FlxTextBorderStyle.OUTLINE, CREDITS_FONT_STROKE_COLOR, true);
return creditsLine;
}
public override function update(elapsed:Float):Void
{
super.update(elapsed);
if (!scrollPaused)
{
// TODO: Replace with whatever the special note button is.
if (controls.ACCEPT || FlxG.keys.pressed.SPACE)
{
// Move the whole group.
creditsGroup.y -= CREDITS_SCROLL_FAST_SPEED * elapsed;
}
else
{
// Move the whole group.
creditsGroup.y -= CREDITS_SCROLL_BASE_SPEED * elapsed;
}
}
if (controls.BACK || hasEnded())
{
exit();
}
else if (controls.PAUSE)
{
// scrollPaused = !scrollPaused;
}
}
function hasEnded():Bool
{
return creditsGroup.y < -creditsGroup.height;
}
function exit():Void
{
FlxG.switchState(() -> new MainMenuState());
}
public override function destroy():Void
{
super.destroy();
}
}
enum CreditsSide
{
Left;
Center;
Right;
}