Block traits (#227)

* - Spawn category

* - Block traits

source/behavior/blocks/format/minecraft.block.json

@@ -43,6 +43,16 @@
         "minecraft:queued_ticking": { "$ref": "./triggers/queued_ticking.json" },
         "minecraft:random_ticking": { "$ref": "./triggers/random_ticking.json" }
       }
+    },
+    "traits_ref": {
+      "type": "object",
+      "title": "Trait",
+      "description": "A shortcut for creators to use Vanilla block states without needing to define and manage a series of events or triggers on custom blocks",
+      "additionalProperties": false,
+      "properties": {
+        "minecraft:placement_position": { "$ref": "./traits/placement_position.json" },
+        "minecraft:placement_direction": { "$ref": "./traits/placement_direction.json" }
+      }
     }
   },
   "properties": {
@@ -238,6 +248,11 @@
               { "type": "object" }
             ]
           }
+        },
+        "traits": {
+          "type": "object",
+          "title": "Trait",
+          "$ref": "#/definitions/traits_ref"
         }
       }
     },

source/behavior/blocks/format/traits/placement_direction.json

@@ -0,0 +1,30 @@
+{
+    "$id": "blockception.minecraft.behavior.blocks.traits.minecraft.placement_direction",
+    "title": "Placement Direction",
+    "description": "Contains information about the player's rotation when the block was placed.",
+    "additionalProperties": false,
+    "type": "object",
+    "required": [
+        "enabled_states"
+    ],
+    "properties": {
+        "enabled_states": {
+            "title": "Enabled States",
+            "description": "Block states you wish to enable",
+            "type": "array",
+            "maxItems": 2,
+            "minItems": 1,
+            "items": {
+                "enum": [
+                    "minecraft:cardinal_direction",
+                    "minecraft:facing_direction"
+                ]
+            }
+        },
+        "y_rotation_offset": {
+            "title": "Y Rotation Offset",
+            "description": "This rotation offset only applies to the horizontal state values",
+            "enum": [0, 90, 180, 270, -90, -180, -270]
+        }
+    }
+}

source/behavior/blocks/format/traits/placement_position.json

@@ -0,0 +1,25 @@
+{
+    "$id": "blockception.minecraft.behavior.blocks.traits.minecraft.placement_position",
+    "title": "Placement Position",
+    "description": "Contains information about where the player placed the block.",
+    "additionalProperties": false,
+    "type": "object",
+    "required": [
+        "enabled_states"
+    ],
+    "properties": {
+        "enabled_states": {
+            "title": "Enabled States",
+            "description": "Block states you wish to enable",
+            "type": "array",
+            "maxItems": 2,
+            "minItems": 1,
+            "items": {
+                "enum": [
+                    "minecraft:block_face",
+                    "minecraft:vertical_half"
+                ]
+            }
+        }
+    }
+}