fixture ghost test

src/net/torvald/terrarum/gameactors/BlockMarkerActor.kt

@@ -2,6 +2,8 @@ package net.torvald.terrarum.gameactors
 
 import com.badlogic.gdx.graphics.Color
 import com.badlogic.gdx.graphics.g2d.SpriteBatch
+import net.torvald.spriteanimation.SpriteAnimation
+import net.torvald.terrarum.App
 import net.torvald.terrarum.CommonResourcePool
 import net.torvald.terrarum.ReferencingRanges
 import net.torvald.terrarum.Terrarum
@@ -9,28 +11,51 @@ import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
 
 class BlockMarkerActor : ActorWithBody(Actor.RenderOrder.OVERLAY, physProp = PhysProperties.MOBILE_OBJECT) {
 
-    override var referenceID: ActorID = 1048575 // custom refID
+    private val defaultSize = 16.0
+
+    override var referenceID: ActorID = ReferencingRanges.ACTORS_OVERLAY.last // custom refID
     override val hitbox = Hitbox(0.0, 0.0, 16.0, 16.0)
 
-    var color = Color.YELLOW
-    var shape = 0
+    var markerColour = Color.YELLOW
+    var markerShape = 0
 
     private val blockMarkings: TextureRegionPack
         get() = CommonResourcePool.getAsTextureRegionPack("blockmarkings_common")
 
+    private var ghost: SpriteAnimation? = null
+    private var hasGhost = false
+    var ghostColour = Color.WHITE
+
+
     init {
-        this.referenceID = ReferencingRanges.ACTORS_OVERLAY.last
         this.isVisible = false
+        renderOrder = Actor.RenderOrder.OVERLAY // for some reason the constructor didn't work
     }
 
     override fun drawBody(batch: SpriteBatch) {
         if (isVisible) {
-            batch.color = color
-            batch.draw(blockMarkings.get(shape, 0), hitbox.startX.toFloat(), hitbox.startY.toFloat())
+            if (hasGhost) {
+                batch.shader = App.shaderGhastlyWhite
+                if (ghost != null) {
+                    batch.color = ghostColour
+                    drawSpriteInGoodPosition(ghost!!, batch)
+                }
+            }
+            else {
+                batch.shader = null
+                batch.color = markerColour
+                batch.draw(blockMarkings.get(markerShape, 0), hitbox.startX.toFloat(), hitbox.startY.toFloat())
+            }
+
         }
+
+        batch.shader = null
+        batch.color = Color.WHITE
     }
 
-    override fun drawGlow(batch: SpriteBatch) { }
+    override fun drawGlow(batch: SpriteBatch) {
+        batch.color = Color.WHITE
+    }
 
     override fun dispose() {
     }
@@ -46,4 +71,19 @@ class BlockMarkerActor : ActorWithBody(Actor.RenderOrder.OVERLAY, physProp = Phy
 
     override fun onActorValueChange(key: String, value: Any?) { }
 
+
+    fun setGhost(actor: ActorWithBody) {
+        ghost = actor.sprite
+        hasGhost = true
+    }
+
+    fun unsetGhost() {
+        ghost = null
+        hasGhost = false
+        setGhostColourNone()
+    }
+
+    fun setGhostColourNone() { ghostColour = Color.WHITE }
+    fun setGhostColourAllow() { ghostColour = Color(-1) }
+    fun setGhostColourBlock() { ghostColour = Color(0) }
 }