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Code Issues Releases Wiki Activity

Added options for waveform amplitude and minimum size.

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This commit is contained in:
EliteMasterEric 2024-01-25 19:10:33 -05:00
parent abebfd8300
commit 25aff02784
2 changed files with 64 additions and 28 deletions
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79
source/funkin/audio/waveform/WaveformSprite.hx
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@ -14,7 +14,6 @@ class WaveformSprite extends MeshRender
static final DEFAULT_Y:Float = 0.0;
static final DEFAULT_WIDTH:Float = 100.0;
static final DEFAULT_HEIGHT:Float = 100.0;
static final DEFAULT_DURATION:Float = 5.0;
/**
* Set this to true to tell the waveform to rebuild itself.
@ -29,9 +28,9 @@ class WaveformSprite extends MeshRender
*/
public var forceUpdate:Bool = false;
public var waveformData:WaveformData;
public var waveformData(default, set):Null<WaveformData>;
function set_waveformData(value:WaveformData):WaveformData
function set_waveformData(value:Null<WaveformData>):Null<WaveformData>
{
if (waveformData == value) return value;
@ -117,7 +116,21 @@ class WaveformSprite extends MeshRender
return super.set_width(value);
}
public function new(waveformData:WaveformData, ?orientation:WaveformOrientation, ?color:FlxColor, ?duration:Float)
/**
* The minimum size, in pixels, that a waveform will display with.
* Useful for preventing the waveform from becoming too small to see.
*
* NOTE: This is technically doubled since it's applied above and below the center of the waveform.
*/
public var minWaveformSize:Int = 1;
/**
* A multiplier on the size of the waveform.
* Still capped at the width and height set for the sprite.
*/
public var amplitude:Float = 1.0;
public function new(?waveformData:WaveformData, ?orientation:WaveformOrientation, ?color:FlxColor, ?duration:Float)
{
super(DEFAULT_X, DEFAULT_Y, DEFAULT_COLOR);
this.waveformColor = color ?? DEFAULT_COLOR;
@ -164,6 +177,8 @@ class WaveformSprite extends MeshRender
this.clear();
if (waveformData == null) return;
// Center point of the waveform. When horizontal this is half the height, when vertical this is half the width.
var waveformCenterPos:Int = orientation == HORIZONTAL ? Std.int(this.height / 2) : Std.int(this.width / 2);
@ -200,17 +215,28 @@ class WaveformSprite extends MeshRender
{
var pixelPos:Int = Std.int((i - startIndex) * pixelsPerIndex);
var isOutsideClipRectHorizontal:Bool = (clipRect != null) && (pixelPos < clipRect.x || pixelPos > (clipRect.x + clipRect.width));
var isOutsideClipRectVertical:Bool = (clipRect != null) && (pixelPos < clipRect.y || pixelPos > (clipRect.y + clipRect.height));
var isOutsideClipRect:Bool = orientation == HORIZONTAL ? isOutsideClipRectHorizontal : isOutsideClipRectVertical;
var isOutsideClipRect:Bool = (clipRect != null) && if (orientation == HORIZONTAL)
{
pixelPos < clipRect.x
|| pixelPos > (clipRect.x + clipRect.width);
} else
{
pixelPos < clipRect.y || pixelPos > (clipRect.y + clipRect.height);
};
// This index is outside the clipRect, so we can just skip rendering it. Fantastic!
if (isOutsideClipRect) continue;
var vertexTopY:Int = Std.int(waveformCenterPos
- (waveformData.channel(0).maxSampleMapped(i) * (orientation == HORIZONTAL ? this.height : this.width) / 2));
var vertexBottomY:Int = Std.int(waveformCenterPos
+ (-waveformData.channel(0).minSampleMapped(i) * (orientation == HORIZONTAL ? this.height : this.width) / 2));
var sampleMax:Float = Math.min(waveformData.channel(0).maxSampleMapped(i) * amplitude, 1.0);
var sampleMin:Float = Math.max(waveformData.channel(0).minSampleMapped(i) * amplitude, -1.0);
var sampleMaxSize:Float = sampleMax * (orientation == HORIZONTAL ? this.height : this.width) / 2;
if (sampleMaxSize < minWaveformSize) sampleMaxSize = minWaveformSize;
var sampleMinSize:Float = sampleMin * (orientation == HORIZONTAL ? this.height : this.width) / 2;
if (sampleMinSize > -minWaveformSize) sampleMinSize = -minWaveformSize;
var vertexTopY:Int = Std.int(waveformCenterPos - sampleMaxSize);
var vertexBottomY:Int = Std.int(waveformCenterPos - sampleMinSize);
if (vertexBottomY - vertexTopY < minWaveformSize) vertexTopY = vertexBottomY - minWaveformSize;
var vertexTopIndex:Int = -1;
var vertexBottomIndex:Int = -1;
@ -271,22 +297,31 @@ class WaveformSprite extends MeshRender
var waveformLengthPixels:Int = orientation == HORIZONTAL ? Std.int(this.width) : Std.int(this.height);
for (i in 0...waveformLengthPixels)
{
// Wrap Std.int around the whole range calculation, not just indexesPerPixel, otherwise you get weird issues with zooming.
var rangeStart:Int = Std.int(i * indexesPerPixel + startIndex);
var rangeEnd:Int = Std.int((i + 1) * indexesPerPixel + startIndex);
var pixelPos:Int = i;
var isOutsideClipRectHorizontal:Bool = (clipRect != null) && (pixelPos < clipRect.x || pixelPos > (clipRect.x + clipRect.width));
var isOutsideClipRectVertical:Bool = (clipRect != null) && (pixelPos < clipRect.y || pixelPos > (clipRect.y + clipRect.height));
var isOutsideClipRect:Bool = orientation == HORIZONTAL ? isOutsideClipRectHorizontal : isOutsideClipRectVertical;
var isOutsideClipRect:Bool = (clipRect != null) && if (orientation == HORIZONTAL)
{
pixelPos < clipRect.x
|| pixelPos > (clipRect.x + clipRect.width);
} else
{
pixelPos < clipRect.y || pixelPos > (clipRect.y + clipRect.height);
};
// This index is outside the clipRect, so we can just skip rendering it. Fantastic!
if (isOutsideClipRect) continue;
var vertexTopY:Int = Std.int(waveformCenterPos
- (waveformData.channel(0).maxSampleRangeMapped(rangeStart, rangeEnd) * (orientation == HORIZONTAL ? this.height : this.width) / 2));
var vertexBottomY:Int = Std.int(waveformCenterPos
+ (-waveformData.channel(0).minSampleRangeMapped(rangeStart, rangeEnd) * (orientation == HORIZONTAL ? this.height : this.width) / 2));
// Wrap Std.int around the whole range calculation, not just indexesPerPixel, otherwise you get weird issues with zooming.
var rangeStart:Int = Std.int(i * indexesPerPixel + startIndex);
var rangeEnd:Int = Std.int((i + 1) * indexesPerPixel + startIndex);
var sampleMax:Float = Math.min(waveformData.channel(0).maxSampleRangeMapped(rangeStart, rangeEnd) * amplitude, 1.0);
var sampleMin:Float = Math.max(waveformData.channel(0).minSampleRangeMapped(rangeStart, rangeEnd) * amplitude, -1.0);
var sampleMaxSize:Float = sampleMax * (orientation == HORIZONTAL ? this.height : this.width) / 2;
if (sampleMaxSize < minWaveformSize) sampleMaxSize = minWaveformSize;
var sampleMinSize:Float = sampleMin * (orientation == HORIZONTAL ? this.height : this.width) / 2;
if (sampleMinSize > -minWaveformSize) sampleMinSize = -minWaveformSize;
var vertexTopY:Int = Std.int(waveformCenterPos - sampleMaxSize);
var vertexBottomY:Int = Std.int(waveformCenterPos - sampleMinSize);
var vertexTopIndex:Int = -1;
var vertexBottomIndex:Int = -1;

13
source/funkin/ui/debug/WaveformTestState.hx
View file

@ -33,19 +33,20 @@ class WaveformTestState extends MusicBeatState
var testSprite = new FlxSprite(0, 0);
testSprite.loadGraphic(Paths.image('funkay'));
testSprite.updateHitbox();
testSprite.clipRect = new FlxRect(0, 0, FlxG.width * 9 / 16, FlxG.height);
testSprite.clipRect = new FlxRect(0, 0, FlxG.width, FlxG.height);
add(testSprite);
waveformAudio = FunkinSound.load(Paths.inst('bopeebo', '-erect'));
// waveformData = WaveformDataParser.parseWaveformData(Paths.json('waveform/dadbattle-erect/dadbattle-erect.waveform'));
waveformData = WaveformDataParser.interpretFlxSound(waveformAudio);
waveformSprite = WaveformSprite.buildFromWaveformData(waveformData, HORIZONTAL, FlxColor.fromString("#ADD8E6"), 2.5);
waveformSprite.width = FlxG.width;
waveformSprite = WaveformSprite.buildFromWaveformData(waveformData, HORIZONTAL, FlxColor.fromString("#ADD8E6"));
waveformSprite.duration = 5.0 * 160;
waveformSprite.width = FlxG.width * 160;
waveformSprite.height = FlxG.height; // / 2;
waveformSprite.clipRect = new FlxRect(0, 0, FlxG.width * 9 / 16, FlxG.height);
// waveformSprite.clipRect = new FlxRect(FlxG.width * 1 / 3, FlxG.height * 3 / 8, FlxG.width * 1 / 3, FlxG.height * 2 / 8);
waveformSprite.amplitude = 2.0;
waveformSprite.minWaveformSize = 25;
waveformSprite.clipRect = new FlxRect(0, 0, FlxG.width, FlxG.height);
add(waveformSprite);
// waveformSprite2 = WaveformSprite.buildFromWaveformData(waveformData2, HORIZONTAL, FlxColor.fromString("#FF0000"), 5.0);