Add ModSpawn Tag; calls default getCanSpawnHere. Invertable and Chain…

…able. Closes #39

src/jas/common/spawner/creature/handler/parsing/keys/Key.java

@@ -20,7 +20,8 @@ public enum Key {
             KeyParserNormalCube.class), liquid("liquid", KeyParserLiquid.class), opaque("opaque",
             KeyParserOpaqueBlock.class), solidSide("solidSide", KeyParserSolidSide.class), difficulty("difficulty",
             KeyParserDifficulty.class), torchLight("torchLight", KeyParserTorchLight.class), ground("ground",
-            KeyParserGround.class), top("top", KeyParserTop.class), fill("fill", KeyParserFill.class),
+            KeyParserGround.class), top("top", KeyParserTop.class), fill("fill", KeyParserFill.class), modspawn(
+            "modSpawn", KeyParserModSpawn.class),
 
     /* Sub Tags */
     blockRangeX("blockRangeX", null), blockRangeY("blockRangeY", null), blockRangeZ("blockRangeZ", null),

src/jas/common/spawner/creature/handler/parsing/keys/KeyParserModSpawn.java

@@ -0,0 +1,46 @@
+package jas.common.spawner.creature.handler.parsing.keys;
+
+import jas.common.JASLog;
+import jas.common.spawner.creature.handler.parsing.TypeValuePair;
+import jas.common.spawner.creature.handler.parsing.settings.OptionalSettings.Operand;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+
+import net.minecraft.entity.EntityLiving;
+import net.minecraft.world.World;
+
+public class KeyParserModSpawn extends KeyParserBase {
+
+    public KeyParserModSpawn(Key key) {
+        super(key, true, KeyType.CHAINABLE);
+    }
+
+    @Override
+    public boolean parseChainable(String parseable, ArrayList<TypeValuePair> parsedChainable,
+            ArrayList<Operand> operandvalue) {
+        String[] pieces = parseable.split(",");
+        Operand operand = getOperand(pieces);
+        if (pieces.length == 1) {
+            parsedChainable.add(new TypeValuePair(key, isInverted(parseable)));
+            operandvalue.add(operand);
+            return true;
+        } else {
+            JASLog.severe("Error Parsing Needs %s parameter. Invalid Argument Length.", key.key);
+            return false;
+        }
+    }
+
+    @Override
+    public boolean parseValue(String parseable, HashMap<String, Object> valueCache) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public boolean isValidLocation(World world, EntityLiving entity, int xCoord, int yCoord, int zCoord,
+            TypeValuePair typeValuePair, HashMap<String, Object> valueCache) {
+        boolean isInverted = (Boolean) typeValuePair.getValue();
+        boolean canSpawn = entity.getCanSpawnHere();
+        return isInverted ? canSpawn : !canSpawn;
+    }
+}

src/jas/common/spawner/creature/handler/parsing/settings/OptionalSettingsSpawning.java

@@ -12,7 +12,7 @@ public class OptionalSettingsSpawning extends OptionalSettingsBase {
     public OptionalSettingsSpawning(String parseableString) {
         super(parseableString.replace("}", ""), EnumSet.of(Key.spawn, Key.light, Key.block, Key.blockFoot,
                 Key.spawnRange, Key.sky, Key.entityCap, Key.minSpawnHeight, Key.maxSpawnHeight, Key.liquid, Key.opaque,
-                Key.normal, Key.solidSide, Key.difficulty, Key.torchLight, Key.ground, Key.top, Key.fill));
+                Key.normal, Key.solidSide, Key.difficulty, Key.torchLight, Key.ground, Key.top, Key.fill, Key.modspawn));
     }
 
     public Integer getEntityCap() {