initial commit

java/src/game/worldgen/layer/GenLayerRiverInit.java

@@ -0,0 +1,31 @@
+package game.worldgen.layer;
+
+public class GenLayerRiverInit extends GenLayer
+{
+    public GenLayerRiverInit(long p_i2127_1_, GenLayer p_i2127_3_)
+    {
+        super(p_i2127_1_);
+        this.parent = p_i2127_3_;
+    }
+
+    /**
+     * Returns a list of integer values generated by this layer. These may be interpreted as temperatures, rainfall
+     * amounts, or biomeList[] indices based on the particular GenLayer subclass.
+     */
+    public int[] getInts(int areaX, int areaY, int areaWidth, int areaHeight)
+    {
+        int[] aint = this.parent.getInts(areaX, areaY, areaWidth, areaHeight);
+        int[] aint1 = IntCache.getIntCache(areaWidth * areaHeight);
+
+        for (int i = 0; i < areaHeight; ++i)
+        {
+            for (int j = 0; j < areaWidth; ++j)
+            {
+                this.initChunkSeed((long)(j + areaX), (long)(i + areaY));
+                aint1[j + i * areaWidth] = aint[j + i * areaWidth] > 0 ? this.nextInt(299999) + 2 : 0;
+            }
+        }
+
+        return aint1;
+    }
+}