From 14528411a7009fa3152066cf838fabcd2e6b8933 Mon Sep 17 00:00:00 2001
From: Avi Weinstock <aweinstock314@gmail.com>
Date: Sat, 29 Jan 2022 11:31:19 -0500
Subject: [PATCH] Add InteractionListener.onUseWithWildcard.

---
 .../game/interaction/InteractionListener.kt   |  7 +++++-
 .../game/interaction/InteractionListeners.kt  | 25 ++++++++++++++++---
 2 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/Server/src/main/kotlin/rs09/game/interaction/InteractionListener.kt b/Server/src/main/kotlin/rs09/game/interaction/InteractionListener.kt
index ffc9ae3c3..beeaec6b3 100644
--- a/Server/src/main/kotlin/rs09/game/interaction/InteractionListener.kt
+++ b/Server/src/main/kotlin/rs09/game/interaction/InteractionListener.kt
@@ -30,6 +30,11 @@ abstract class InteractionListener : Listener{
     fun onUseWith(type: Int, used: IntArray, vararg with: Int, handler: (player: Player, used: Node, with: Node) -> Boolean){
         InteractionListeners.add(type,used,with,handler)
     }
+    // Note: wildcard listeners incur overhead on every use-with interaction, only use them as a space-time tradeoff when something
+    // is actually supposed to have a response to every item used with it (e.g. imp boxes, certain quest npcs)
+    fun onUseWithWildcard(type: Int, predicate: (used: Int, with: Int) -> Boolean, handler: (player: Player, used: Node, with: Node) -> Boolean) {
+        InteractionListeners.addWildcard(type, predicate, handler)
+    }
     fun onEquip(id: Int, handler: (player: Player, node: Node) -> Boolean){
         InteractionListeners.addEquip(id,handler)
     }
@@ -53,4 +58,4 @@ abstract class InteractionListener : Listener{
     fun onDig(location: Location,method: (player: Player) -> Unit){
         SpadeDigListener.registerListener(location,method)
     }
-}
\ No newline at end of file
+}
diff --git a/Server/src/main/kotlin/rs09/game/interaction/InteractionListeners.kt b/Server/src/main/kotlin/rs09/game/interaction/InteractionListeners.kt
index 2a73fdeee..0bcbbb7e6 100644
--- a/Server/src/main/kotlin/rs09/game/interaction/InteractionListeners.kt
+++ b/Server/src/main/kotlin/rs09/game/interaction/InteractionListeners.kt
@@ -12,6 +12,7 @@ import rs09.game.system.SystemLogger
 object InteractionListeners {
     private val listeners = HashMap<String,(Player, Node) -> Boolean>(1000)
     private val useWithListeners = HashMap<String,(Player,Node,Node) -> Boolean>(1000)
+    private val useWithWildcardListeners = HashMap<Int, ArrayList<Pair<(Int, Int) -> Boolean, (Player, Node, Node) -> Boolean>>>(10)
     private val destinationOverrides = HashMap<String,(Entity, Node) -> Location>(100)
     private val equipListeners = HashMap<String,(Player,Node) -> Boolean>(10)
 
@@ -55,6 +56,14 @@ object InteractionListeners {
         }
     }
 
+    @JvmStatic
+    fun addWildcard(type: Int, predicate: (used: Int, with: Int) -> Boolean, handler: (player: Player, used: Node, with: Node) -> Boolean) {
+        if(!useWithWildcardListeners.containsKey(type)) {
+            useWithWildcardListeners.put(type, ArrayList())
+        }
+        useWithWildcardListeners[type]!!.add(Pair(predicate, handler))
+    }
+
     @JvmStatic
     fun addEquip(id: Int,method: (Player, Node) -> Boolean){
         equipListeners["equip:$id"] = method
@@ -76,8 +85,18 @@ object InteractionListeners {
     }
 
     @JvmStatic
-    fun get(used: Int, with: Int, type: Int): ((Player,Node,Node) -> Boolean)?{
-        return useWithListeners["$used:$with:$type"]
+    fun get(used: Int, with: Int, type: Int): ((Player,Node,Node) -> Boolean)? {
+        var method = useWithListeners["$used:$with:$type"]
+        if(method != null) {
+            return method
+        }
+        val handlers = useWithWildcardListeners[type] ?: return null
+        for(pair in handlers) {
+            if(pair.first(used, with)) {
+                return pair.second
+            }
+        }
+        return null
     }
 
     @JvmStatic
@@ -214,4 +233,4 @@ object InteractionListeners {
             }
         }
     }
-}
\ No newline at end of file
+}