Ingame's Player is now mandatory; player spawn on right position

src/net/torvald/terrarum/modulebasegame/items/PickaxeGeneric.kt

@@ -0,0 +1,72 @@
+package net.torvald.terrarum.modulebasegame.items
+
+import net.torvald.point.Point2d
+import net.torvald.terrarum.Terrarum
+import net.torvald.terrarum.blockproperties.Block
+import net.torvald.terrarum.gameactors.AVKey
+import net.torvald.terrarum.gameactors.ActorWithPhysics
+import net.torvald.terrarum.itemproperties.Calculate
+import net.torvald.terrarum.itemproperties.GameItem
+import net.torvald.terrarum.itemproperties.ItemID
+import net.torvald.terrarum.itemproperties.Material
+
+/**
+ * Created by minjaesong on 2017-07-17.
+ */
+class PickaxeGeneric(override val originalID: ItemID) : GameItem() {
+
+    override var dynamicID: ItemID = originalID
+    override val originalName = "PACKAGED_PICK"
+    override var baseMass = 10.0
+    override var baseToolSize: Double? = 10.0
+    override var stackable = true
+    override var maxDurability = 147
+    override var durability = maxDurability.toFloat()
+    override val equipPosition = 9
+    override var inventoryCategory = Category.TOOL
+    override val isUnique = false
+    override val isDynamic = true
+    override val material = Material(0,0,0,0,0,0,0,0,1,0.0)
+
+    init {
+        super.name = "Builtin Pickaxe"
+    }
+
+    override fun primaryUse(delta: Float): Boolean {
+        val mouseTileX = Terrarum.mouseTileX
+        val mouseTileY = Terrarum.mouseTileY
+
+        val mousePoint = Point2d(mouseTileX.toDouble(), mouseTileY.toDouble())
+        val actorvalue = Terrarum.ingame!!.player!!.actorValue
+
+        using = true
+
+        // linear search filter (check for intersection with tilewise mouse point and tilewise hitbox)
+        // return false if hitting actors
+        Terrarum.ingame!!.actorContainer.forEach({
+            if (it is ActorWithPhysics && it.tilewiseHitbox.intersects(mousePoint))
+                return false
+        })
+
+        // return false if here's no tile
+        if (Block.AIR == Terrarum.ingame!!.world.getTileFromTerrain(mouseTileX, mouseTileY))
+            return false
+
+        // filter passed, do the job
+        val swingDmgToFrameDmg = delta.toDouble() / actorvalue.getAsDouble(AVKey.ACTION_INTERVAL)!!
+
+        Terrarum.ingame!!.world.inflictTerrainDamage(
+                mouseTileX, mouseTileY,
+                Calculate.pickaxePower(Terrarum.ingame!!.player!!, material) * swingDmgToFrameDmg
+        )
+
+        return true
+    }
+
+    override fun endPrimaryUse(delta: Float): Boolean {
+        using = false
+        // reset action timer to zero
+        Terrarum.ingame!!.player!!.actorValue.set(AVKey.__ACTION_TIMER, 0.0)
+        return true
+    }
+}