Health bars (#1028)

* basic features

working prototype for the feature

* add config and main features

* add option to show on mobs with only a health value

also adds tooltips for options

* clean up code and add more comments

* increase default size

* improve removing health code and incorrectly spell amour

* show when the nametag is shown

let it be rendered though walls if the nametag is being rendered

* add suggested changes

add fading between colours and fix problems

* Disable depth test and cleanup

* Migrate to oklab interpolation

* Fix health bar alpha

* Default off

---------

Co-authored-by: Kevinthegreat <92656833+kevinthegreat1@users.noreply.github.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/test/java/de/hysky/skyblocker/utils/ColorUtilsTest.java b/src/test/java/de/hysky/skyblocker/utils/ColorUtilsTest.java
new file mode 100644
index 00000000..bd250511
--- /dev/null
+++ b/src/test/java/de/hysky/skyblocker/utils/ColorUtilsTest.java
@@ -0,0 +1,19 @@
+package de.hysky.skyblocker.utils;
+
+import net.minecraft.util.math.ColorHelper;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class ColorUtilsTest {
+	@Test
+	void testFloatComponents() {
+		Assertions.assertArrayEquals(new float[]{0.2f, 0.4f, 0.6f}, ColorUtils.getFloatComponents(ColorHelper.getArgb(51, 102, 153)));
+	}
+
+	@Test
+	void testInterpolate() {
+		Assertions.assertEquals(0x00FE00, ColorUtils.interpolate(0.5, 0xFF0000, 0x00FF00, 0x0000FF));
+		Assertions.assertEquals(0xD0A800, ColorUtils.interpolate(0.25, 0xFF0000, 0x00FF00, 0x0000FF));
+		Assertions.assertEquals(0x00A9BE, ColorUtils.interpolate(0.75, 0xFF0000, 0x00FF00, 0x0000FF));
+	}
+}