multiblock fixtures can now emit/consume multiple wiring types

src/net/torvald/terrarum/gameworld/WorldSimulator.kt

@@ -11,10 +11,12 @@ import net.torvald.terrarum.gamecontroller.KeyToggler
 import net.torvald.terrarum.gameitem.ItemID
 import net.torvald.terrarum.modulebasegame.TerrarumIngame.Companion.inUpdateRange
 import net.torvald.terrarum.modulebasegame.gameactors.ActorHumanoid
+import net.torvald.terrarum.modulebasegame.gameactors.BlockBoxIndex
+import net.torvald.terrarum.modulebasegame.gameactors.Electric
 import net.torvald.terrarum.modulebasegame.gameactors.FixtureBase
-import net.torvald.terrarum.worlddrawer.BlocksDrawer
-import net.torvald.terrarum.worlddrawer.WorldCamera
 import org.khelekore.prtree.*
+import java.util.*
+import kotlin.collections.ArrayList
 import kotlin.math.roundToInt
 
 /**
@@ -453,16 +455,34 @@ object WorldSimulator {
 
     private val wiresimOverscan = 60
 
+    /**
+     * @return List of FixtureBases, safe to cast into Electric
+     */
     private fun wiresimGetSourceBlocks(): List<FixtureBase> =
             Terrarum.ingame!!.actorContainerActive.filter {
-                it is FixtureBase && it.inUpdateRange(world) && it.wireEmitterType.isNotBlank()
+                it is FixtureBase && it is Electric && it.inUpdateRange(world) && it.wireEmitterTypes.isNotEmpty()
             } as List<FixtureBase>
 
     private fun simulateWires(delta: Float) {
         wiresimGetSourceBlocks().let { sources ->
             // signal-emitting fixtures must set emitState of its own tiles via update()
             sources.forEach {
-                // TODO
+                (it as Electric).wireEmitterTypes.forEach { wireType, bbi ->
+                    traverseWireGraph(world, it, wireType, bbi)
+                }
+            }
+        }
+    }
+
+    private fun traverseWireGraph(world: GameWorld, fixture: FixtureBase, wireType: String, bbi: BlockBoxIndex) {
+        fixture.worldBlockPos?.let {
+            val branchesVisited = ArrayList<Point2i>()
+            val branchingStack = Stack<Point2i>()
+            val startPoint = it + fixture.blockBoxIndexToPoint2i(bbi)
+            branchingStack.push(startPoint)
+
+            while (branchingStack.isNotEmpty()) {
+                
             }
         }
     }
@@ -487,7 +507,7 @@ object WorldSimulator {
             WireConStatus.BRANCH // 1111
     )
 
-    data class wireGraphBranch(
+    data class WireGraphBranch(
             val x: Int,
             val y: Int,
             val con: Byte

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

@@ -14,6 +14,14 @@ import net.torvald.terrarum.gameworld.GameWorld
 import net.torvald.terrarum.ui.UICanvas
 import org.dyn4j.geometry.Vector2
 
+typealias BlockBoxIndex = Int
+
+interface Electric {
+    val wireEmitterTypes: HashMap<String, BlockBoxIndex>
+    val wireEmission: HashMap<BlockBoxIndex, Vector2>
+    val wireConsumption: HashMap<BlockBoxIndex, Vector2>
+}
+
 /**
  * Created by minjaesong on 2016-06-17.
  */
@@ -29,15 +37,15 @@ open class FixtureBase(
 
     var blockBox: BlockBox = blockBox0
         protected set // something like TapestryObject will want to redefine this
+    fun blockBoxIndexToPoint2i(it: BlockBoxIndex): Point2i = this.blockBox.width.let { w -> Point2i(it % w, it / w) }
+
+
 
-    open val wireEmitterType = ""
-    open val wireEmission = Vector2()
-    open val wireConsumption = Vector2()
-    
     /**
-     * Block-wise position of this fixture when it's placed on the world. Null if it's not on the world
+     * Tile-wise position of this fixture when it's placed on the world, top-left origin. Null if it's not on the world
      */
-    protected var worldBlockPos: Point2i? = null
+    var worldBlockPos: Point2i? = null
+        private set
 
     init {
         if (mainUI != null)

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

@@ -7,10 +7,12 @@ import net.torvald.terrarum.gameactors.AVKey
 import net.torvald.terrarumsansbitmap.gdx.TextureRegionPack
 import org.dyn4j.geometry.Vector2
 
-class FixtureLogicSignalEmitter(nameFun: () -> String) : FixtureBase(BlockBox(BlockBox.NO_COLLISION, 1, 1), nameFun = nameFun) {
+class FixtureLogicSignalEmitter(nameFun: () -> String)
+    : FixtureBase(BlockBox(BlockBox.NO_COLLISION, 1, 1), nameFun = nameFun), Electric {
 
-    override val wireEmitterType = "digital_bit"
+    override val wireEmitterTypes: HashMap<String, BlockBoxIndex> = HashMap()
-    override val wireEmission = Vector2(1.0, 0.0)
+    override val wireEmission: HashMap<BlockBoxIndex, Vector2> = HashMap()
+    override val wireConsumption: HashMap<BlockBoxIndex, Vector2> = HashMap()
 
     init {
         density = 1400.0
@@ -20,6 +22,9 @@ class FixtureLogicSignalEmitter(nameFun: () -> String) : FixtureBase(BlockBox(Bl
         sprite!!.setRowsAndFrames(1, 1)
 
         actorValue[AVKey.BASEMASS] = MASS
+
+        wireEmitterTypes["digital_bit"] = 0
+        wireEmission[0] = Vector2(1.0, 0.0)
     }
 
     override fun dispose() { }
@@ -31,8 +36,8 @@ class FixtureLogicSignalEmitter(nameFun: () -> String) : FixtureBase(BlockBox(Bl
     override fun update(delta: Float) {
         // set emit
         worldBlockPos?.let { (x, y) ->
-            WireCodex.getAll().filter { it.renderClass == "signal" }.forEach { prop ->
+            WireCodex.getAll().filter { it.accepts == "digital_bit" }.forEach { prop ->
-                world?.setWireEmitStateOf(x, y, prop.id, wireEmission)
+                world?.setWireEmitStateOf(x, y, prop.id, wireEmission[0]!!)
             }
         }
     }