finally working buoyancy sim

src/net/torvald/terrarum/modulebasegame/console/SetAV.kt

@@ -26,7 +26,7 @@ internal object SetAV : ConsoleCommand {
             var inputval: Any
 
             try {
-                inputval = Integer(arg) // try for integer
+                inputval = arg.toInt() // try for integer
             }
             catch (e: NumberFormatException) {
 

src/net/torvald/terrarum/modulebasegame/console/SetDensity.kt

@@ -0,0 +1,75 @@
+package net.torvald.terrarum.modulebasegame.console
+
+import net.torvald.terrarum.*
+import net.torvald.terrarum.console.ConsoleCommand
+import net.torvald.terrarum.console.Echo
+import net.torvald.terrarum.console.EchoError
+import net.torvald.terrarum.gameactors.ActorWithBody
+import net.torvald.terrarum.modulebasegame.TerrarumIngame
+
+/**
+ * Created by minjaesong on 2024-07-21.
+ */
+internal object SetDensity : ConsoleCommand {
+
+    override fun printUsage() {
+        Echo("${ccW}Set density of specific target to desired value.")
+        Echo("${ccW}Usage: ${ccY}setdensity $ccG(id) <val>")
+        Echo("${ccW}blank ID for player. Any density less than 100 will be clamped.")
+
+    }
+
+    override fun execute(args: Array<String>) {
+
+        // setdensity <id, or blank for player> <av> <val>
+        if (args.size != 3 && args.size != 2) {
+            printUsage()
+        }
+        else if (args.size == 2) {
+            val newValue = args[1].toDouble()
+
+            val player = (Terrarum.ingame!! as TerrarumIngame).actorNowPlaying
+            if (player == null) {
+                EchoError("Player does not exist")
+                println("[SetDensity] Player does not exist")
+            }
+            else {
+                player.density = newValue
+                Echo("${ccW}Set ${ccM}density ${ccW}for ${ccY}player ${ccW}to $ccG$newValue")
+                println("[SetDensity] set density '${args[1]}' for player to '$newValue'.")
+            }
+        }
+        else if (args.size == 3) {
+            try {
+                val id = args[1].toInt()
+                val newValue = args[2].toDouble()
+                val actor = INGAME.getActorByID(id)
+
+                if (actor is ActorWithBody) {
+                    actor.density = newValue
+                    Echo("${ccW}Set ${ccM}density ${ccW}for $ccY$id ${ccW}to $ccG$newValue")
+                    println("[SetDensity] set density '${args[2]}' for $actor to '$newValue'.")
+                }
+                else {
+                    EchoError("Actor ${args[1]} is not physical")
+                    System.err.println("[SetDensity] Actor ${args[1]} is not physical")
+                }
+            }
+            catch (e: IllegalArgumentException) {
+                EchoError("${args[1]}: no actor with this ID.")
+                System.err.println("[SetDensity] ${args[1]}: no actor with this ID.")
+            }
+        }
+
+    }
+
+    fun String.isNum(): Boolean {
+        try {
+            this.toInt()
+            return true
+        }
+        catch (e: NumberFormatException) {
+            return false
+        }
+    }
+}