hotbar polling, fix half hart display

src/main/java/de/bixilon/minosoft/gui/rendering/gui/hud/elements/hotbar/HotbarElement.kt

@@ -56,8 +56,6 @@ class HotbarElement(hudRenderer: HUDRenderer) : Element(hudRenderer) {
     }
 
     override fun forceRender(offset: Vec2i, z: Int, consumer: GUIVertexConsumer): Int {
-        // ToDo: Do not apply every frame
-        forceSilentApply()
         var maxZ = 0
 
         val topMaxSize = topLeft.size.max(topRight.size)
@@ -78,7 +76,17 @@ class HotbarElement(hudRenderer: HUDRenderer) : Element(hudRenderer) {
             element.silentApply()
         }
 
-        size = base.size + Vec2i(0, max(topLeft.size.y, topRight.size.y)) + Vec2i(0, experience.size.y)
+        _size = base.size + Vec2i(0, max(topLeft.size.y, topRight.size.y)) + Vec2i(0, experience.size.y)
+    }
+
+    override fun silentApply(): Boolean {
+        forceSilentApply()
+        return true
+    }
+
+    override fun onChildChange(child: Element) {
+        silentApply() // ToDo: Check
+        parent?.onChildChange(this)
     }
 
     override fun tick() {

src/main/java/de/bixilon/minosoft/gui/rendering/gui/hud/elements/hotbar/HotbarHUDElement.kt

@@ -18,7 +18,6 @@ import de.bixilon.minosoft.gui.rendering.gui.hud.HUDRenderer
 import de.bixilon.minosoft.gui.rendering.gui.hud.elements.HUDBuilder
 import de.bixilon.minosoft.gui.rendering.gui.hud.elements.HUDElement
 import de.bixilon.minosoft.modding.event.events.ExperienceChangeEvent
-import de.bixilon.minosoft.modding.event.events.UpdateHealthEvent
 import de.bixilon.minosoft.modding.event.invoker.CallbackEventInvoker
 import de.bixilon.minosoft.util.KUtil.toResourceLocation
 import glm_.vec2.Vec2i
@@ -39,10 +38,6 @@ class HotbarHUDElement(hudRenderer: HUDRenderer) : HUDElement<HotbarElement>(hud
         layout = HotbarElement(hudRenderer)
         layout.prefMaxSize = Vec2i(-1, -1)
 
-        connection.registerEvent(CallbackEventInvoker.of<UpdateHealthEvent> {
-            layout.health.apply()
-            layout.hunger.apply()
-        })
         connection.registerEvent(CallbackEventInvoker.of<ExperienceChangeEvent> {
             layout.experience.apply()
         })

src/main/java/de/bixilon/minosoft/gui/rendering/gui/hud/elements/hotbar/HotbarHealthElement.kt

@@ -161,7 +161,7 @@ class HotbarHealthElement(hudRenderer: HUDRenderer) : Element(hudRenderer) {
         var healthLeft = totalHealth
         var heart = 0
 
-        while (healthLeft > 0.5f) {
+        while (healthLeft >= 0.5f) {
             val row = heart / HEARTS_PER_ROW
             val column = heart % HEARTS_PER_ROW
 
@@ -232,7 +232,10 @@ class HotbarHealthElement(hudRenderer: HUDRenderer) : Element(hudRenderer) {
         val wither = witherStatusEffect?.let { player.activeStatusEffects[it] != null } ?: false
         val frozen = player.ticksFrozen > 0
 
-        val health = player.healthCondition.hp
+        var health = player.healthCondition.hp
+        if (health > 0.0f && health < 0.5f) {
+            health = 0.5f
+        }
         val absorptionsAmount = player.playerAbsorptionHearts // ToDo: This is (probably) calculated as effect instance
 
         val maxHealth = player.getAttributeValue(DefaultStatusEffectAttributeNames.GENERIC_MAX_HEALTH).toFloat()
@@ -254,6 +257,10 @@ class HotbarHealthElement(hudRenderer: HUDRenderer) : Element(hudRenderer) {
         return true
     }
 
+    override fun tick() {
+        apply()
+    }
+
     companion object {
         private const val HP_PER_ROW = 20
         private const val HEARTS_PER_ROW = HP_PER_ROW / 2

src/main/java/de/bixilon/minosoft/gui/rendering/gui/hud/elements/hotbar/HotbarHungerElement.kt

@@ -131,11 +131,11 @@ class HotbarHungerElement(hudRenderer: HUDRenderer) : Element(hudRenderer) {
     }
 
     override fun tick() {
-        super.tick()
-
         val healthCondition = hudRenderer.connection.player.healthCondition
 
         animate = healthCondition.saturation <= 0.0f && ticks++ % (healthCondition.hunger * 3 + 1) == 0
+
+        apply()
     }
 
     override fun silentApply(): Boolean {

src/main/java/de/bixilon/minosoft/gui/rendering/gui/hud/elements/hotbar/HotbarProtectionElement.kt

@@ -79,6 +79,10 @@ class HotbarProtectionElement(hudRenderer: HUDRenderer) : Element(hudRenderer) {
         cacheUpToDate = false
     }
 
+    override fun tick() {
+        apply()
+    }
+
     companion object {
         private val ARMOR_SIZE = Vec2i(8, 9)
         private val SIZE = Vec2i(10 * ARMOR_SIZE.x, ARMOR_SIZE.y)