com.torvald → net.torvald

Former-commit-id: 375604da8a20a6ba7cd0a8d05a44add02b2d04f4
Former-commit-id: 287287c5920b07618174d7a7573f049d350ded66

src/net/torvald/terrarum/mapgenerator/FloatingIslandsPreset.kt

@@ -0,0 +1,65 @@
+package net.torvald.terrarum.mapgenerator
+
+import net.torvald.random.HQRNG
+import com.sun.javaws.exceptions.InvalidArgumentException
+
+import java.util.Random
+
+object FloatingIslandsPreset {
+
+    val PRESETS = 5
+
+    internal fun generatePreset(random: HQRNG): Array<IntArray> {
+        val index = random.nextInt(PRESETS)
+        return generatePreset(index, random)
+    }
+
+    internal fun generatePreset(index: Int, random: Random): Array<IntArray> {
+        if (index == 0) {
+            return processPreset(random, FloatingIslePreset01.data, FloatingIslePreset01.w, FloatingIslePreset01.h)
+        }
+        else if (index == 1) {
+            return processPreset(random, FloatingIslePreset02.data, FloatingIslePreset02.w, FloatingIslePreset02.h)
+        }
+        else if (index == 2) {
+            return processPreset(random, FloatingIslePreset03.data, FloatingIslePreset03.w, FloatingIslePreset03.h)
+        }
+        else if (index == 3) {
+            return processPreset(random, FloatingIslePreset04.data, FloatingIslePreset04.w, FloatingIslePreset04.h)
+        }
+        else {
+            return processPreset(random, FloatingIslePreset05.data, FloatingIslePreset05.w, FloatingIslePreset05.h)
+        }
+    }
+
+    private fun processPreset(random: Random, preset: IntArray, w: Int, h: Int): Array<IntArray> {
+        val temp = Array(h) { IntArray(w) }
+        var counter = 0
+        val mirrored = random.nextBoolean()
+
+        for (i in 0..h - 1) {
+            for (j in 0..w - 1) {
+                if (!mirrored) {
+                    if (counter < preset.size - 1) {
+                        temp[i][j] = preset[counter]
+                        counter++
+                    }
+                    else {
+                        temp[i][j] = 0
+                    }
+                }
+                else {
+                    if (counter < preset.size - 1) {
+                        temp[i][w - 1 - j] = preset[counter]
+                        counter++
+                    }
+                    else {
+                        temp[i][w - 1 - j] = 0
+                    }
+                }
+            }
+        }
+
+        return temp
+    }
+}