Mantle Feature Components

src/main/java/com/volmit/iris/engine/mantle/components/MantleFeatureComponent.java

@@ -0,0 +1,88 @@
+/*
+ * Iris is a World Generator for Minecraft Bukkit Servers
+ * Copyright (c) 2021 Arcane Arts (Volmit Software)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.volmit.iris.engine.mantle.components;
+
+import com.volmit.iris.engine.data.cache.Cache;
+import com.volmit.iris.engine.mantle.EngineMantle;
+import com.volmit.iris.engine.mantle.IrisMantleComponent;
+import com.volmit.iris.engine.object.biome.IrisBiome;
+import com.volmit.iris.engine.object.feature.IrisFeaturePositional;
+import com.volmit.iris.engine.object.feature.IrisFeaturePotential;
+import com.volmit.iris.engine.object.regional.IrisRegion;
+import com.volmit.iris.util.collection.KList;
+import com.volmit.iris.util.documentation.ChunkCoordinates;
+import com.volmit.iris.util.mantle.MantleFlag;
+import com.volmit.iris.util.math.RNG;
+import com.volmit.iris.util.parallel.BurstExecutor;
+
+import java.util.function.Consumer;
+
+public class MantleFeatureComponent extends IrisMantleComponent {
+    public MantleFeatureComponent(EngineMantle engineMantle) {
+        super(engineMantle, MantleFlag.FEATURE);
+    }
+
+    @Override
+    public void generateLayer(int x, int z, Consumer<Runnable> post) {
+        int s = getRadius();
+        BurstExecutor burst = burst();
+
+        for (int i = -s; i <= s; i++) {
+            int xx = i + x;
+            int xxx = 8 + (xx << 4);
+            for (int j = -s; j <= s; j++) {
+                int zz = j + z;
+                int zzz = 8 + (zz << 4);
+                burst.queue(() -> {
+                    RNG rng = new RNG(Cache.key(xx, zz) + seed());
+                    IrisRegion region = getComplex().getRegionStream().get(xxx, zzz);
+                    IrisBiome biome = getComplex().getTrueBiomeStreamNoFeatures().get(xxx, zzz);
+                    generateFeatures(rng, xx, zz, region, biome);
+                });
+            }
+        }
+
+        burst.complete();
+    }
+
+    @ChunkCoordinates
+    private void generateFeatures(RNG rng, int cx, int cz, IrisRegion region, IrisBiome biome) {
+        for (IrisFeaturePotential i : getFeatures()) {
+            placeZone(rng, cx, cz, i);
+        }
+
+        for (IrisFeaturePotential i : region.getFeatures()) {
+            placeZone(rng, cx, cz, i);
+        }
+
+        for (IrisFeaturePotential i : biome.getFeatures()) {
+            placeZone(rng, cx, cz, i);
+        }
+    }
+
+    private void placeZone(RNG rng, int cx, int cz, IrisFeaturePotential i) {
+        int x = (cx << 4) + rng.nextInt(16);
+        int z = (cz << 4) + rng.nextInt(16);
+        getMantle().set(x, 0, z, new IrisFeaturePositional(x, z, i.getZone()));
+    }
+
+    private KList<IrisFeaturePotential> getFeatures() {
+        return getEngineMantle().getEngine().getDimension().getFeatures();
+    }
+}