working lava pool prototype

src/com/sudoplay/joise/module/TerrarumModuleCaveLayerClosureGrad.kt

@@ -0,0 +1,53 @@
+package com.sudoplay.joise.module
+
+import com.sudoplay.joise.ModuleInstanceMap
+import com.sudoplay.joise.ModuleMap
+import com.sudoplay.joise.ModulePropertyMap
+import net.torvald.terrarum.modulebasegame.worldgenerator.Worldgen.YHEIGHT_DIVISOR
+import net.torvald.terrarum.modulebasegame.worldgenerator.Worldgen.YHEIGHT_MAGIC
+
+/**
+ * Params:
+ * - H: World height MINUS 100
+ * - L: 620
+ *
+ * Created by minjaesong on 2024-09-07.
+ */
+class TerrarumModuleCaveLayerClosureGrad : Module() {
+    protected val h = ScalarParameter(17.2)
+    protected val l = ScalarParameter(3.0)
+
+
+    private fun Double.op() = Math.sqrt((-this + h.value - l.value) / l.value).let { if (it.isNaN()) 0.0 else it.coerceIn(0.0, 1.0) }
+
+    override fun get(x: Double, y: Double) = y.op()
+    override fun get(x: Double, y: Double, z: Double) = y.op()/*.also {
+        println("$y\t$it")
+    }*/
+    override fun get(x: Double, y: Double, z: Double, w: Double) = y.op()
+    override fun get(x: Double, y: Double, z: Double, w: Double, u: Double, v: Double) = y.op()
+
+    fun setL(source: Double) {
+        l.set(source)
+    }
+
+    fun setH(source: Double) {
+        h.set(source)
+    }
+
+    override fun _writeToMap(map: ModuleMap?) {
+        val props = ModulePropertyMap(this)
+
+        writeScalar("l", l, props, map)
+        writeScalar("h", h, props, map)
+
+        map!![id] = props
+    }
+
+    override fun buildFromPropertyMap(props: ModulePropertyMap?, map: ModuleInstanceMap?): Module {
+        readScalar("l", "setL", props, map)
+        readScalar("h", "setH", props, map)
+
+        return this
+    }
+}