Feature: Ability to adjust opacity of players near shared & guessed egg waypoints (#1582)

Co-authored-by: hannibal2 <24389977+hannibal00212@users.noreply.github.com>

2 files changed, 61 insertions, 2 deletions

diff --git a/src/main/java/at/hannibal2/skyhanni/features/event/hoppity/HoppityEggLocator.kt b/src/main/java/at/hannibal2/skyhanni/features/event/hoppity/HoppityEggLocator.kt
index 371dbf9e8..1319cc3af 100644
--- a/src/main/java/at/hannibal2/skyhanni/features/event/hoppity/HoppityEggLocator.kt
+++ b/src/main/java/at/hannibal2/skyhanni/features/event/hoppity/HoppityEggLocator.kt
@@ -25,7 +25,6 @@ import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
 import kotlin.time.Duration.Companion.seconds
 
 object HoppityEggLocator {
-
     private val config get() = HoppityEggsManager.config
 
     private val locatorItem = "EGGLOCATOR".asInternalName()
@@ -36,13 +35,13 @@ object HoppityEggLocator {
     private var drawLocations = false
     private var firstPos = LorenzVec()
     private var secondPos = LorenzVec()
-    private var possibleEggLocations = listOf<LorenzVec>()
 
     private var ticksSinceLastParticleFound = -1
     private var lastGuessMade = SimpleTimeMark.farPast()
     private var eggLocationWeights = listOf<Double>()
 
     var sharedEggLocation: LorenzVec? = null
+    var possibleEggLocations = listOf<LorenzVec>()
     var currentEggType: HoppityEggType? = null
 
     var eggLocations: Map<IslandType, List<LorenzVec>> = mapOf()
diff --git a/src/main/java/at/hannibal2/skyhanni/features/event/hoppity/HoppityEggPlayerOpacityChanger.kt b/src/main/java/at/hannibal2/skyhanni/features/event/hoppity/HoppityEggPlayerOpacityChanger.kt
new file mode 100644
index 000000000..68436438f
--- /dev/null
+++ b/src/main/java/at/hannibal2/skyhanni/features/event/hoppity/HoppityEggPlayerOpacityChanger.kt
@@ -0,0 +1,60 @@
+package at.hannibal2.skyhanni.features.event.hoppity
+
+import at.hannibal2.skyhanni.events.SkyHanniRenderEntityEvent
+import at.hannibal2.skyhanni.features.inventory.chocolatefactory.ChocolateFactoryAPI
+import at.hannibal2.skyhanni.utils.EntityUtils.getArmorInventory
+import at.hannibal2.skyhanni.utils.LocationUtils.distanceTo
+import at.hannibal2.skyhanni.utils.LorenzUtils
+import at.hannibal2.skyhanni.utils.LorenzVec
+import net.minecraft.client.renderer.GlStateManager
+import net.minecraft.entity.EntityLivingBase
+import net.minecraft.entity.player.EntityPlayer
+import net.minecraft.item.ItemStack
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
+import org.lwjgl.opengl.GL11
+
+object HoppityEggPlayerOpacityChanger {
+    private val config get() = HoppityEggsManager.config
+    private var armor = mapOf<Int, ItemStack>()
+
+    private fun hideNearbyPlayer(entity: EntityPlayer, location: LorenzVec) {
+        if (entity.distanceTo(location) >= 4.0) return
+        GlStateManager.enableBlend()
+        GlStateManager.blendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA)
+        GlStateManager.color(1.0f, 1.0f, 1.0f, config.playerOpacity / 100f)
+        val armorInventory = entity.getArmorInventory() ?: return
+
+        armor = buildMap {
+            for ((i, stack) in armorInventory.withIndex()) {
+                stack?.let {
+                    this[i] = it.copy()
+                    armorInventory[i] = null
+                }
+            }
+        }
+    }
+
+    @SubscribeEvent
+    fun onPreRenderPlayer(event: SkyHanniRenderEntityEvent.Pre<EntityLivingBase>) {
+        if (!isEnabled()) return
+        if (event.entity !is EntityPlayer) return
+        if (event.entity.name == LorenzUtils.getPlayerName()) return
+        HoppityEggLocator.sharedEggLocation?.let { hideNearbyPlayer(event.entity, it) }
+        HoppityEggLocator.possibleEggLocations.forEach { hideNearbyPlayer(event.entity, it) }
+    }
+
+    @SubscribeEvent
+    fun onPostRenderPlayer(event: SkyHanniRenderEntityEvent.Post<EntityLivingBase>) {
+        if (!isEnabled()) return
+        GlStateManager.color(1f, 1f, 1f, 1f)
+        GlStateManager.disableBlend()
+        val armorInventory = event.entity.getArmorInventory() ?: return
+
+        for ((index, stack) in armor) { // restore armor after players leave the area
+            armorInventory[index] = stack
+        }
+    }
+
+    private fun isEnabled() = LorenzUtils.inSkyBlock && config.waypoints
+        && ChocolateFactoryAPI.isHoppityEvent() && config.playerOpacity != 100
+}