reading material from the module; pixaxes use it

But "dynamic item" created from the pickaxe class is not right

assets/mods/basegame/blocks/blocks.csv

@@ -119,7 +119,7 @@
 #
 # vscs: viscosity, (velocity) / (1 + (n/16)), 16 halves movement speed, can be used to non-fluid tiles (sticky hazard, tarmac road in Terraria)
 #
-# str: strength
+# str: strength. Only useful for pickaxes
 #
 # dsty: density. As we are putting water an 1000, it is identical to specific gravity. [g/l]
 #

assets/mods/basegame/items/itemid.csv

@@ -1,3 +1,5 @@
    "id";"classname"
- "8448";"net.torvald.terrarum.modulebasegame.items.PickaxeGeneric"
+ "8448";"net.torvald.terrarum.modulebasegame.items.PickaxeCopper"
- "8449";"net.torvald.terrarum.modulebasegame.items.WirePieceSignalWire"
+ "8449";"net.torvald.terrarum.modulebasegame.items.PickaxeIron"
+ "8450";"net.torvald.terrarum.modulebasegame.items.PickaxeSteel"
+ "8466";"net.torvald.terrarum.modulebasegame.items.WirePieceSignalWire"

assets/mods/basegame/materialprop.csv

@@ -1,19 +1,35 @@
-"idst";"dsty";"forcemod";"endurance";"comments"
+"idst";"tens";"impf";"dsty";"fmod";"endurance";"tcond";"comments"
-"ROCK";"2400";       "1";     "0.42";
+"ROCK";  "15"; "210";"3000";   "1";     "0.42";   "10";
-"CUPR";"1000";       "2";     "1.00";"copper"
+"CUPR"; "210"; "770";"8960";   "2";     "1.00";  "401";"copper"
-"EGLS";"2500";       "4";     "0.82";"elven glass"
+"EGLS";  "33";"1000";"2325";   "4";     "0.82";   "10";"elven glass/moldavite"
-"IRON";"1000";       "5";     "1.42";
+"IRON"; "350";"1085";"7874";   "5";     "1.42";   "10";
-"ARGN";"1000";       "9";     "0.91";"argentum/silver"
+"ARGN"; "170"; "595";"10490";  "9";     "0.91";   "10";"argentum/silver"
-"STAL";"1000";      "14";     "1.73";"steel"
+"STAL"; "531";"2520";"7874";  "14";     "1.73";   "10";"steel"
-"EAUR";"1000";      "21";     "1.36";"elven aurichalcum"
+"EAUR"; "768";   "0";"8192";  "21";     "1.36";   "10";"elven aurichalcum"
-"TIAL";"1000";      "33";     "2.16";"titanium alloy (Ti6Al4V)"
+"TIAL"; "900";   "0";"4420";  "33";     "2.16";   "10";"titanium alloy (Ti6Al4V)"
-"ADMT";"1000";      "71";     "3.42";"adamant"
+"ADMT";"2000";"4090";"2700";  "71";     "3.42";   "10";"adamant"
 
-# idst: ID_STRING
+"OOZE";   "0";"genetic ooze"
 
-# forcemod: related to attack points
+# idst: ID_STRING, ALL CAPS
+
+# tens: tensile strength (= ultimate stringth)
+        ultimate stringth is technically a tensile strength, but I'm using it anyway because it's easiest to get the value from
+								that, or DF's tensile fracture divided by 1000 (I think Toady and I are both using values posted on Wikipedia, e.g. Silver)
+
+# impf: Dwarf Fortress impact fracture divided by 1000 (likely not being used)
+
+# dsty: density (grams per litre)
+
+# fmod: forcemod -- related to attack points
 #   Attack points = `4 * forcemod.sqrt()` for each strike
 
 # endurance: multiplier, using copper as reference; determines durability of tools/weapons/armours/etc.
+             the base value for endurance differes to tool to tool. When integer is used, resulting value must be ROUNDED.
+
+# tcond: thermal conductivity
 
 # Comments: do nothing; do not parse
+
+
+## These values are being used by the phys simulator (blocks) and for attack power calculation (items)

src/net/torvald/terrarum/ModMgr.kt

@@ -8,6 +8,7 @@ import net.torvald.terrarum.blockproperties.BlockCodex
 import net.torvald.terrarum.itemproperties.GameItem
 import net.torvald.terrarum.itemproperties.ItemCodex
 import net.torvald.terrarum.itemproperties.ItemID
+import net.torvald.terrarum.itemproperties.MaterialCodex
 import net.torvald.terrarum.langpack.Lang
 import net.torvald.terrarum.utils.CSVFetcher
 import net.torvald.terrarum.utils.JsonFetcher
@@ -249,4 +250,12 @@ object ModMgr {
             Lang.load(getPath(module, langPath))
         }
     }
+
+    object GameMaterialLoader {
+        val matePath = "materials/"
+
+        @JvmStatic operator fun invoke(module: String) {
+            MaterialCodex(module, matePath + "materials.csv")
+        }
+    }
 }

src/net/torvald/terrarum/blockproperties/BlockCodex.kt

@@ -139,45 +139,45 @@ object BlockCodex {
         print("${intVal(record, "id")}")
         println("\t" + prop.nameKey)
     }
-
-    private fun str16ToInt(rec: CSVRecord, s: String): Int {
-        var ret = 0
-        try {
-            ret = rec.get(s).toLong(16).toInt()
-        }
-        catch (e: NumberFormatException) {
-        }
-        catch (e1: IllegalStateException) {
-        }
-
-        return ret
-    }
-
-    private fun intVal(rec: CSVRecord, s: String): Int {
-        var ret = -1
-        try {
-            ret = rec.get(s).toInt()
-        }
-        catch (e: NumberFormatException) {
-        }
-        catch (e1: IllegalStateException) {
-        }
-
-        return ret
-    }
-
-    private fun floatVal(rec: CSVRecord, s: String): Float {
-        var ret = -1f
-        try {
-            ret = rec.get(s).toFloat()
-        }
-        catch (e: NumberFormatException) {
-        }
-        catch (e1: IllegalStateException) {
-        }
-
-        return ret
-    }
-
-    private fun boolVal(rec: CSVRecord, s: String) = intVal(rec, s) != 0
 }
+
+fun str16ToInt(rec: CSVRecord, s: String): Int {
+    var ret = 0
+    try {
+        ret = rec.get(s).toLong(16).toInt()
+    }
+    catch (e: NumberFormatException) {
+    }
+    catch (e1: IllegalStateException) {
+    }
+
+    return ret
+}
+
+fun intVal(rec: CSVRecord, s: String): Int {
+    var ret = -1
+    try {
+        ret = rec.get(s).toInt()
+    }
+    catch (e: NumberFormatException) {
+    }
+    catch (e1: IllegalStateException) {
+    }
+
+    return ret
+}
+
+fun floatVal(rec: CSVRecord, s: String): Float {
+    var ret = -1f
+    try {
+        ret = rec.get(s).toFloat()
+    }
+    catch (e: NumberFormatException) {
+    }
+    catch (e1: IllegalStateException) {
+    }
+
+    return ret
+}
+
+fun boolVal(rec: CSVRecord, s: String) = intVal(rec, s) != 0

src/net/torvald/terrarum/itemproperties/GameItem.kt

@@ -298,8 +298,6 @@ abstract class GameItem : Comparable<GameItem>, Cloneable {
 
             return ret
         }
-
-        val NULL_MATERIAL = Material(0,0,0,0,0,0,0,0,1,0.0)
     }
 }
 

src/net/torvald/terrarum/itemproperties/ItemCodex.kt

@@ -188,7 +188,7 @@ object ItemCodex {
             override var stackable: Boolean = false
 
             override val isDynamic: Boolean = false
-            override val material: Material = Material(1,1,1,1,1,1,1,1,1,1.0)
+            override val material: Material = Material()
 
             init {
                 equipPosition = EquipPosition.HAND_GRIP
@@ -217,7 +217,7 @@ object ItemCodex {
             override var stackable: Boolean = false
 
             override val isDynamic: Boolean = false
-            override val material: Material = Material(1,1,1,1,1,1,1,1,1,1.0)
+            override val material: Material = Material()
 
             init {
                 equipPosition = EquipPosition.HAND_GRIP

src/net/torvald/terrarum/itemproperties/Material.kt

@@ -1,36 +1,56 @@
 package net.torvald.terrarum.itemproperties
 
+import net.torvald.terrarum.AppLoader.printdbg
+import net.torvald.terrarum.blockproperties.floatVal
+import net.torvald.terrarum.blockproperties.intVal
+import net.torvald.terrarum.utils.CSVFetcher
+import java.io.IOException
+
 /**
  * To be used with items AND TILES (electricity resistance, thermal conductivity)
  *
  * Created by minjaesong on 2016-03-18.
  */
-data class Material (
+class Material {
-    //var maxEdge: Int, // i think weapSharpnessMod would cut it // arbitrary unit
+    var strength: Int = 1 // actually tensile strength
-    var hardness: Int, // arbitrary unit
+    var density: Int = 1000 // grams per litre
-    var density: Int, // grams per litre
 
-    // impact force: force applied by sudden strike, e.g. hammer/axe/sword strike
+    var thermalConductivity: Float = 10f // watts per metre-kelven
-    var impactRigidness: Int, // arbitrary unit  (rigid <-> soft)  a weapon made of soft material will inflict less damage
-    var impactFractureForce: Int, // pascal (N/m^2); if the item (e.g. sword) receives a force that exceeds this value, the item will be destroyed
 
-    // compressive force: force applied by exerting pressure on an object, e.g. sword/spear stab
+    var forceMod: Int = 1 // arbitrary unit. See Pickaxe_Power.xlsx
-    var compressiveRigidness: Int,  // arbitrary unit  (rigid <-> soft)  a weapon made of soft material will inflict less damage
+    var enduranceMod: Float = 1f // multiplier. Copper as 1.0
-    var compressiveFractureForce: Int, // pascal (N/m^2); if the item (e.g. sword) receives a force that exceeds this value, the item will be destroyed
+    //var armourMod: Float // multiplier. Copper as 1.0
 
-    // remarks:
+    var durability: Int = 0 // tools only
-    //      we won't need elasticity, even if we have glass
+}
-    // some examples:
-    //      - glass sword works as the material has high compressive fracture, but prone to shatter
-    //        (hit mobs 5-6 times and it's gone) as it shatters easily as it has low impact fracture
 
+object MaterialCodex {
 
+    private var materialProps = HashMap<String, Material>()
+    private val nullMaterial = Material()
 
-    var electricityResistance: Int, // ohm
+    operator fun invoke(module: String, path: String) {
-    var thermalConductivity: Int, // pascal (N/m^2); if the item (e.g. sword) receives a force that exceeds this value, the item will be destroyed
+        try {
+            val records = CSVFetcher.readFromModule(module, path)
 
+            printdbg(this, "Building materials table")
 
+            records.forEach {
+                val prop = Material()
+                prop.strength = intVal(it, "tens")
+                prop.density = intVal(it, "dsty")
+                prop.forceMod = intVal(it, "forcemod")
+                prop.enduranceMod = floatVal(it, "endurance")
+                prop.thermalConductivity = floatVal(it, "tcond")
 
-    var forceMod: Int, // arbitrary unit. See Pickaxe_Power.xlsx
+                materialProps[it.get("idst").toUpperCase()] = prop
-    var armourMod: Double // multiplier
+            }
-)
+        }
+        catch (e: IOException) {
+            e.printStackTrace()
+        }
+    }
+
+    operator fun get(identifier: String) = materialProps[identifier.toUpperCase()] ?: nullMaterial
+
+}

src/net/torvald/terrarum/itemproperties/MaterialCodex.kt

@@ -1,9 +0,0 @@
-package net.torvald.terrarum.itemproperties
-
-/**
- * Created by minjaesong on 2016-03-18.
- */
-object MaterialCodex {
-    val CSV_PATH = "./src/com/torvald/terrarum/itemproperties/materialprop.csv"
-
-}

src/net/torvald/terrarum/modulebasegame/EntryPoint.kt

@@ -7,7 +7,7 @@ import net.torvald.terrarum.blockproperties.BlockCodex
 import net.torvald.terrarum.gameactors.ActorWBMovable
 import net.torvald.terrarum.itemproperties.GameItem
 import net.torvald.terrarum.itemproperties.ItemCodex
-import net.torvald.terrarum.itemproperties.Material
+import net.torvald.terrarum.itemproperties.MaterialCodex
 import net.torvald.terrarum.modulebasegame.imagefont.WatchFont
 import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
 
@@ -18,22 +18,27 @@ import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
  */
 class EntryPoint : ModuleEntryPoint() {
 
+    private val moduleName = "basegame"
+
     override fun invoke() {
 
-        ModMgr.GameBlockLoader.invoke("basegame")
+        // the order of invocation is important! Material should be the first as blocks and items are depend on it.
-        ModMgr.GameItemLoader.invoke("basegame")
+        ModMgr.GameMaterialLoader.invoke(moduleName)
-        ModMgr.GameLanguageLoader.invoke("basegame")
+        ModMgr.GameBlockLoader.invoke(moduleName)
+        ModMgr.GameItemLoader.invoke(moduleName)
+        ModMgr.GameLanguageLoader.invoke(moduleName)
+
 
 
         // load common resources to the AssetsManager
-        AppLoader.resourcePool.addToLoadingList("basegame.items16", TextureRegionPack.javaClass) {
+        AppLoader.resourcePool.addToLoadingList("$moduleName.items16", TextureRegionPack.javaClass) {
-            TextureRegionPack(ModMgr.getGdxFile("basegame", "items/items.tga"), 16, 16)
+            TextureRegionPack(ModMgr.getGdxFile(moduleName, "items/items.tga"), 16, 16)
         }
-        AppLoader.resourcePool.addToLoadingList("basegame.items24", TextureRegionPack.javaClass) {
+        AppLoader.resourcePool.addToLoadingList("$moduleName.items24", TextureRegionPack.javaClass) {
-            TextureRegionPack(ModMgr.getGdxFile("basegame", "items/items24.tga"), 24, 24)
+            TextureRegionPack(ModMgr.getGdxFile(moduleName, "items/items24.tga"), 24, 24)
         }
-        AppLoader.resourcePool.addToLoadingList("basegame.items48", TextureRegionPack.javaClass) {
+        AppLoader.resourcePool.addToLoadingList("$moduleName.items48", TextureRegionPack.javaClass) {
-            TextureRegionPack(ModMgr.getGdxFile("basegame", "items/items48.tga"), 48, 48)
+            TextureRegionPack(ModMgr.getGdxFile(moduleName, "items/items48.tga"), 48, 48)
         }
 
 
@@ -59,7 +64,7 @@ class EntryPoint : ModuleEntryPoint() {
                     override var stackable = true
                     override var inventoryCategory = if (i in ItemCodex.ITEM_TILES) Category.BLOCK else Category.WALL
                     override var isDynamic = false
-                    override val material = Material(0, 0, 0, 0, 0, 0, 0, 0, 0, 0.0)
+                    override val material = MaterialCodex[blockProp.material]
 
                     init {
                         equipPosition = EquipPosition.HAND_GRIP

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

@@ -164,7 +164,7 @@ open class ActorHumanoid(
         override val originalName: String = actorValue.getAsString(AVKey.NAME) ?: "(no name)"
         override var stackable = false
         override val isDynamic = false
-        override val material = Material(0,0,0,0,0,0,0,0,0,0.0)
+        override val material = Material()
     }
 
     init {

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

@@ -46,7 +46,7 @@ open class HumanoidNPC(
         override val originalName: String = actorValue.getAsString(AVKey.NAME) ?: "NPC"
         override var stackable = true
         override val isDynamic = false
-        override val material = Material(0,0,0,0,0,0,0,0,0,0.0)
+        override val material = Material()
 
         override fun startPrimaryUse(delta: Float): Boolean {
             try {

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

@@ -4,7 +4,6 @@ import net.torvald.terrarum.ModMgr
 import net.torvald.terrarum.blockproperties.Block
 import net.torvald.terrarum.gameactors.AVKey
 import net.torvald.terrarum.gameactors.faction.FactionFactory
-import net.torvald.terrarum.itemproperties.ItemCodex
 import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
 
 /**
@@ -96,8 +95,11 @@ object PlayerBuilderSigrid {
         )
         blocks.forEach { inventory.add(it, 9995) }
         walls.forEach { inventory.add(it + 4096, 9995) }
-        inventory.add(ItemCodex.ITEM_STATIC.first)
+        inventory.add(8448) // copper pick
-        inventory.add(9000)
+        inventory.add(8449) // iron pick
-        inventory.add(9001)
+        inventory.add(8450) // steel pick
+        inventory.add(8466) // wire piece
+        inventory.add(9000) // TEST water bucket
+        inventory.add(9001) // TEST lava bucket
     }
 }

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

@@ -10,35 +10,18 @@ import net.torvald.terrarum.gameactors.ActorWBMovable
 import net.torvald.terrarum.itemproperties.Calculate
 import net.torvald.terrarum.itemproperties.GameItem
 import net.torvald.terrarum.itemproperties.ItemID
-import net.torvald.terrarum.itemproperties.Material
+import net.torvald.terrarum.itemproperties.MaterialCodex
 import net.torvald.terrarum.modulebasegame.Ingame
+import net.torvald.terrarum.modulebasegame.items.PickaxeCore.BASE_MASS_AND_SIZE
+import net.torvald.terrarum.modulebasegame.items.PickaxeCore.TOOL_DURABILITY_BASE
 import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
+import kotlin.math.roundToInt
 
 /**
- * Created by minjaesong on 2017-07-17.
+ * Created by minjaesong on 2019-03-10.
  */
-class PickaxeGeneric(override val originalID: ItemID) : GameItem() {
+object PickaxeCore {
-
+    fun startPrimaryUse(delta: Float, item: GameItem): Boolean {
-    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 inventoryCategory = Category.TOOL
-    override val isUnique = false
-    override val isDynamic = true
-    override var material = Material(0,0,0,0,0,0,0,0,1,0.0)
-    override val itemImage: TextureRegion?
-        get() = (AppLoader.resourcePool["basegame.items24"] as TextureRegionPack).get(2,0)
-
-    init {
-        super.equipPosition = GameItem.EquipPosition.HAND_GRIP
-        super.maxDurability = 147
-        super.durability = maxDurability.toFloat()
-        super.name = "Builtin Pickaxe"
-    }
-
-    override fun startPrimaryUse(delta: Float): Boolean {
         val player = (Terrarum.ingame!! as Ingame).actorNowPlaying
         if (player == null) return false
 
@@ -48,7 +31,7 @@ class PickaxeGeneric(override val originalID: ItemID) : GameItem() {
         val mousePoint = Point2d(mouseTileX.toDouble(), mouseTileY.toDouble())
         val actorvalue = player.actorValue
 
-        using = true
+        item.using = true
 
         // linear search filter (check for intersection with tilewise mouse point and tilewise hitbox)
         // return false if hitting actors
@@ -66,19 +49,106 @@ class PickaxeGeneric(override val originalID: ItemID) : GameItem() {
 
         (Terrarum.ingame!!.world).inflictTerrainDamage(
                 mouseTileX, mouseTileY,
-                Calculate.pickaxePower(player, material) * swingDmgToFrameDmg
+                Calculate.pickaxePower(player, item.material) * swingDmgToFrameDmg
         )
 
         return true
     }
 
-    override fun endPrimaryUse(delta: Float): Boolean {
+    fun endPrimaryUse(delta: Float, item: GameItem): Boolean {
         val player = (Terrarum.ingame!! as Ingame).actorNowPlaying
         if (player == null) return false
 
-        using = false
+        item.using = false
         // reset action timer to zero
         player.actorValue.set(AVKey.__ACTION_TIMER, 0.0)
         return true
     }
+
+    const val BASE_MASS_AND_SIZE = 10.0 // of iron pick
+    const val TOOL_DURABILITY_BASE = 350 // of iron pick
+}
+
+/**
+ * Created by minjaesong on 2017-07-17.
+ */
+class PickaxeCopper(override val originalID: ItemID) : GameItem() {
+
+    override var dynamicID: ItemID = originalID
+    override val originalName = "PACKAGED_PICK"
+    override var baseToolSize: Double? = BASE_MASS_AND_SIZE
+    override var stackable = true
+    override var inventoryCategory = Category.TOOL
+    override val isUnique = false
+    override val isDynamic = true
+    override var material = MaterialCodex["CUPR"]
+    override var baseMass = material.density.toDouble() / MaterialCodex["IRON"].density * BASE_MASS_AND_SIZE
+    override val itemImage: TextureRegion?
+        get() = (AppLoader.resourcePool["basegame.items24"] as TextureRegionPack).get(0,0)
+
+    init {
+        super.equipPosition = GameItem.EquipPosition.HAND_GRIP
+        super.maxDurability = (TOOL_DURABILITY_BASE * material.enduranceMod).roundToInt()
+        super.durability = maxDurability.toFloat()
+        super.name = "Copper Pickaxe"
+    }
+
+    override fun startPrimaryUse(delta: Float) = PickaxeCore.startPrimaryUse(delta, this)
+    override fun endPrimaryUse(delta: Float) = PickaxeCore.endPrimaryUse(delta, this)
+}
+
+/**
+ * Created by minjaesong on 2019-03-10.
+ */
+class PickaxeIron(override val originalID: ItemID) : GameItem() {
+
+    override var dynamicID: ItemID = originalID
+    override val originalName = "PACKAGED_PICK"
+    override var baseToolSize: Double? = BASE_MASS_AND_SIZE
+    override var stackable = true
+    override var inventoryCategory = Category.TOOL
+    override val isUnique = false
+    override val isDynamic = true
+    override var material = MaterialCodex["IRON"]
+    override var baseMass = material.density.toDouble() / MaterialCodex["IRON"].density * BASE_MASS_AND_SIZE
+    override val itemImage: TextureRegion?
+        get() = (AppLoader.resourcePool["basegame.items24"] as TextureRegionPack).get(1,0)
+
+    init {
+        super.equipPosition = GameItem.EquipPosition.HAND_GRIP
+        super.maxDurability = (TOOL_DURABILITY_BASE * material.enduranceMod).roundToInt()
+        super.durability = maxDurability.toFloat()
+        super.name = "Iron Pickaxe"
+    }
+
+    override fun startPrimaryUse(delta: Float) = PickaxeCore.startPrimaryUse(delta, this)
+    override fun endPrimaryUse(delta: Float) = PickaxeCore.endPrimaryUse(delta, this)
+}
+
+/**
+ * Created by minjaesong on 2019-03-10.
+ */
+class PickaxeSteel(override val originalID: ItemID) : GameItem() {
+
+    override var dynamicID: ItemID = originalID
+    override val originalName = "PACKAGED_PICK"
+    override var baseToolSize: Double? = BASE_MASS_AND_SIZE
+    override var stackable = true
+    override var inventoryCategory = Category.TOOL
+    override val isUnique = false
+    override val isDynamic = true
+    override var material = MaterialCodex["STAL"]
+    override var baseMass = material.density.toDouble() / MaterialCodex["IRON"].density * BASE_MASS_AND_SIZE
+    override val itemImage: TextureRegion?
+        get() = (AppLoader.resourcePool["basegame.items24"] as TextureRegionPack).get(2,0)
+
+    init {
+        super.equipPosition = GameItem.EquipPosition.HAND_GRIP
+        super.maxDurability = (TOOL_DURABILITY_BASE * material.enduranceMod).roundToInt()
+        super.durability = maxDurability.toFloat()
+        super.name = "Steel Pickaxe"
+    }
+
+    override fun startPrimaryUse(delta: Float) = PickaxeCore.startPrimaryUse(delta, this)
+    override fun endPrimaryUse(delta: Float) = PickaxeCore.endPrimaryUse(delta, this)
 }

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

@@ -4,6 +4,7 @@ import com.badlogic.gdx.graphics.g2d.TextureRegion
 import net.torvald.terrarum.AppLoader
 import net.torvald.terrarum.itemproperties.GameItem
 import net.torvald.terrarum.itemproperties.ItemID
+import net.torvald.terrarum.itemproperties.Material
 import net.torvald.terrarum.modulebasegame.IngameRenderer
 import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
 
@@ -20,7 +21,7 @@ class WirePieceSignalWire(override val originalID: ItemID) : GameItem() {
     override var inventoryCategory = Category.WIRE
     override val isUnique = false
     override val isDynamic = false
-    override val material = GameItem.NULL_MATERIAL
+    override val material = Material()
     override val itemImage: TextureRegion?
         get() = (AppLoader.resourcePool["basegame.items16"] as TextureRegionPack).get(1,9)