Fixed minor issues and implemented three entity attribute components to data-driven entity

src/main/kotlin/net/easecation/bedrockloader/bedrock/data/TextureImage.kt

@@ -11,7 +11,8 @@ data class TextureImage(
 
     enum class ImageType {
         PNG,
-        JPG;
+        JPG,
+        TGA;
         fun getExtension(): String {
             return name.lowercase()
         }

src/main/kotlin/net/easecation/bedrockloader/bedrock/definition/BlockResourceDefinition.kt

@@ -8,7 +8,7 @@ import net.minecraft.util.Identifier
 import java.lang.reflect.Type
 
 data class BlockResourceDefinition(
-        @SerializedName("format_version") val formatVersion: String,
+        @SerializedName("format_version") val formatVersion: List<Int>,
         val blocks: Map<Identifier, Block>
 ) {
 
@@ -28,7 +28,7 @@ data class BlockResourceDefinition(
                 blocks[identifier] = context.deserialize(value, Block::class.java)
             }
             return BlockResourceDefinition(
-                    obj["format_version"].asString,
+                    obj["format_version"].asJsonArray.map { it.asInt },
                     blocks
             )
         }

src/main/kotlin/net/easecation/bedrockloader/bedrock/entity/components/ComponentHealth.kt

@@ -2,5 +2,6 @@ package net.easecation.bedrockloader.bedrock.entity.components
 
 data class ComponentHealth(
         val value: Float?,
-        val max: Float?
+        val max: Float?,
+        val min: Float?
 ) : IEntityComponent

src/main/kotlin/net/easecation/bedrockloader/entity/EntityDataDriven.kt

@@ -7,6 +7,8 @@ import net.minecraft.entity.EntityType
 import net.minecraft.entity.EquipmentSlot
 import net.minecraft.entity.SpawnGroup
 import net.minecraft.entity.attribute.DefaultAttributeContainer
+import net.minecraft.entity.attribute.EntityAttributes
+import net.minecraft.entity.damage.DamageSource
 import net.minecraft.entity.mob.MobEntity
 import net.minecraft.item.ItemStack
 import net.minecraft.util.Arm
@@ -32,6 +34,13 @@ class EntityDataDriven(
         fun buildEntityAttributes(components: EntityComponents): DefaultAttributeContainer.Builder {
             val builder = MobEntity.createMobAttributes()
             // TODO components
+            // Add HealthComponent, KnockbackResistanceComponent, MovementComponent
+            components.let {
+                it.minecraftHealth?.max?.let { value -> builder.add(EntityAttributes.GENERIC_MAX_HEALTH, value.toDouble()) } ?:
+                it.minecraftHealth?.value?.let { value -> builder.add(EntityAttributes.GENERIC_MAX_HEALTH, value.toDouble()) }
+                it.minecraftKnockbackResistance?.value?.let { value -> builder.add(EntityAttributes.GENERIC_KNOCKBACK_RESISTANCE, value.toDouble()) }
+                it.minecraftMovement?.value?.let { value ->  builder.add(EntityAttributes.GENERIC_MOVEMENT_SPEED, value.toDouble()) }
+            }
             return builder
         }
     }
@@ -51,5 +60,25 @@ class EntityDataDriven(
         return Arm.RIGHT
     }
 
+    override fun hasNoGravity(): Boolean {
+        return components.minecraftPhysics?.has_gravity == true
+    }
+
+    override fun damage(source: DamageSource?, amount: Float): Boolean {
+        return components.minecraftHealth?.min?.let {
+            when {
+                health - amount > 1 && source != DamageSource.OUT_OF_WORLD -> {
+                    return super.damage(source, amount)
+                }
+                else -> {
+                    if (source == DamageSource.OUT_OF_WORLD) {
+                        return false
+                    }
+                    health += amount
+                    return super.damage(source, amount)
+                }
+            }
+        }?: return super.damage(source, amount)
+    }
 
 }

src/main/kotlin/net/easecation/bedrockloader/loader/BedrockAddonsLoader.kt

@@ -36,7 +36,7 @@ object BedrockAddonsLoader {
 
     fun load() {
         val dataFolder: File = BedrockLoader.getGameDir().resolve("config/bedrock-loader")
-        if (dataFolder.exists()) {
+        if (!dataFolder.exists()) {
             dataFolder.mkdirs()
         }
         // 从dataFolder中读取所有的zip文件