added ore generation

src/main/java/de/jottyfan/gta/gdp/world/ModConfiguredFeatures.java

@@ -0,0 +1,19 @@
+package de.jottyfan.gta.gdp.world;
+
+import de.jottyfan.gta.gdp.GTAGDP;
+import net.minecraft.registry.RegistryKey;
+import net.minecraft.registry.RegistryKeys;
+import net.minecraft.util.Identifier;
+import net.minecraft.world.gen.feature.ConfiguredFeature;
+
+/**
+ * @author jotty
+ */
+public class ModConfiguredFeatures {
+
+	public static final RegistryKey<ConfiguredFeature<?, ?>> RUBY_ORE_CF = registerKey("ruby_ore_cf");
+
+	public static RegistryKey<ConfiguredFeature<?, ?>> registerKey(String name) {
+		return RegistryKey.of(RegistryKeys.CONFIGURED_FEATURE, Identifier.of(GTAGDP.MOD_ID, name));
+	}
+}

src/main/java/de/jottyfan/gta/gdp/world/ModPlacedFeatures.java

@@ -0,0 +1,19 @@
+package de.jottyfan.gta.gdp.world;
+
+import de.jottyfan.gta.gdp.GTAGDP;
+import net.minecraft.registry.RegistryKey;
+import net.minecraft.registry.RegistryKeys;
+import net.minecraft.util.Identifier;
+import net.minecraft.world.gen.feature.PlacedFeature;
+
+/**
+ * @author jotty
+ */
+public class ModPlacedFeatures {
+
+	public static final RegistryKey<PlacedFeature> RUBY_ORE_PF = registerKey("ruby_ore_pf");
+
+	public static RegistryKey<PlacedFeature> registerKey(String name) {
+		return RegistryKey.of(RegistryKeys.PLACED_FEATURE, Identifier.of(GTAGDP.MOD_ID, name));
+	}
+}

src/main/java/de/jottyfan/gta/gdp/world/gen/ModOreGeneration.java

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+package de.jottyfan.gta.gdp.world.gen;
+
+import de.jottyfan.gta.gdp.world.ModPlacedFeatures;
+import net.fabricmc.fabric.api.biome.v1.BiomeModifications;
+import net.fabricmc.fabric.api.biome.v1.BiomeSelectors;
+import net.minecraft.world.gen.GenerationStep;
+
+/**
+ * @author jotty
+ */
+public class ModOreGeneration {
+	public static void generateOres() {
+		BiomeModifications.addFeature(BiomeSelectors.foundInOverworld(), GenerationStep.Feature.UNDERGROUND_ORES,
+				ModPlacedFeatures.RUBY_ORE_PF);
+	}
+}

src/main/resources/data/gtagdp/worldgen/configured_feature/ruby_ore_cf.json

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+{
+  "type": "minecraft:ore",
+  "config": {
+    "discard_chance_on_air_exposure": 0.0,
+    "size": 20,
+    "targets": [
+      {
+        "state": {
+          "Name": "gtagdp:ruby_ore"
+        },
+        "target": {
+          "predicate_type": "minecraft:tag_match",
+          "tag": "minecraft:stone_ore_replaceables"
+        }
+      },
+      {
+        "state": {
+          "Name": "gtagdp:ruby_deepslate_ore"
+        },
+        "target": {
+          "predicate_type": "minecraft:tag_match",
+          "tag": "minecraft:deepslate_ore_replaceables"
+        }
+      }
+    ]
+  }
+}

src/main/resources/data/gtagdp/worldgen/placed_feature/ruby_ore_pf.json

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+{
+  "feature": "gtagdp:ruby_ore_cf",
+  "placement": [
+    {
+      "type": "minecraft:count",
+      "count": 16
+    },
+    {
+    	"type": "minecraft:in_square"
+    },
+    {
+      "type": "minecraft:height_range",
+      "height": {
+        "type": "minecraft:trapezoid",
+        "max_inclusive": {
+          "absolute": 80
+        },
+        "min_inclusive": {
+          "absolute": -80
+        }
+      }
+    },
+    {
+      "type": "minecraft:biome"
+    }
+  ]
+}