var jump just pressed

src/net/torvald/terrarum/modulebasegame/gameactors/ActorHumanoid.kt

@@ -166,6 +166,7 @@ open class ActorHumanoid(
     protected inline val isGamer: Boolean
         get() = if (Terrarum.ingame == null) false else this == Terrarum.ingame!!.actorNowPlaying
 
+    private var jumpJustPressedLatched = false
 
     @Transient private val nullItem = object : GameItem(0) {
         override val isUnique: Boolean = false
@@ -248,7 +249,17 @@ open class ActorHumanoid(
                              gamepad.getButton(AppLoader.getConfigInt("gamepadltrigger"))
             }
 
-            TODO("isJumpJustDown")
+            if (isJumpJustDown && jumpJustPressedLatched) {
+                isJumpJustDown = false
+            }
+            else if (isJumpDown && !jumpJustPressedLatched) {
+                isJumpJustDown = true
+                jumpJustPressedLatched = true
+            }
+            else if (!isJumpDown) {
+                jumpJustPressedLatched = false
+            }
+
         }
         else {
             isUpDown = axisY < 0f

src/net/torvald/terrarum/ui/BasicDebugInfoWindow.kt

@@ -133,7 +133,8 @@ class BasicDebugInfoWindow : UICanvas() {
                     "${if (player.walledRight) "$ccR" else "$ccG"}R" +
                     "${if (player.colliding) "$ccR" else "$ccG"}${0x08.toChar()}  " +
                     "${if (player.jumping) "$ccG" else "$ccK"}JMP" +
-                    "${if (player.isJumpDown) "$ccG" else "$ccK"}KEY"
+                    "${if (player.isJumpDown) "$ccG" else "$ccK"}KEY" +
+                    "${if (player.isJumpJustDown) "$ccO" else "$ccK"}${0x0F.toChar()}"
             )
         }