[Editor] Add support for H2 database

editor/build.gradle

@@ -48,6 +48,8 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter'
     implementation 'org.springframework.boot:spring-boot-starter-freemarker'
     implementation "org.slf4j:jul-to-slf4j:${slf4jVersion}"
+    implementation "com.h2database:h2:${h2Version}"
+    implementation "com.zaxxer:HikariCP:${hikariVersion}"
 }
 
 task provideGameEngine(type: Copy) {

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/database/source/DataSource.kt

@@ -0,0 +1,23 @@
+package com.bartlomiejpluta.base.editor.database.source
+
+import com.zaxxer.hikari.HikariConfig
+import com.zaxxer.hikari.HikariDataSource
+import java.io.File
+import java.sql.Connection
+
+class DataSource(dbFile: File) {
+   private val config = HikariConfig()
+   private val source: HikariDataSource
+
+   init {
+      config.jdbcUrl = "jdbc:h2:file:${dbFile.absolutePath.replace("\\", "/")}"
+      config.username = "root"
+      config.password = ""
+      source = HikariDataSource(config)
+   }
+
+   val connection: Connection
+      get() = source.connection
+
+   fun close() = source.close()
+}

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/context/DefaultProjectContext.kt

@@ -63,8 +63,9 @@ class DefaultProjectContext : ProjectContext {
    override var project by projectProperty
 
    init {
-      projectProperty.addListener { _, _, newProject ->
+      projectProperty.addListener { _, prevProject, newProject ->
-         newProject?.mkdirs()
+         prevProject?.dispose()
+         newProject?.init()
          tileSetCache.clear()
       }
    }

editor/src/main/kotlin/com/bartlomiejpluta/base/editor/project/model/Project.kt

@@ -2,6 +2,7 @@ package com.bartlomiejpluta.base.editor.project.model
 
 import com.bartlomiejpluta.base.editor.animation.asset.AnimationAsset
 import com.bartlomiejpluta.base.editor.audio.asset.SoundAsset
+import com.bartlomiejpluta.base.editor.database.source.DataSource
 import com.bartlomiejpluta.base.editor.entityset.asset.EntitySet
 import com.bartlomiejpluta.base.editor.file.model.FileSystemNode
 import com.bartlomiejpluta.base.editor.gui.font.asset.FontAsset
@@ -27,6 +28,9 @@ class Project {
    val projectFileProperty = createObjectBinding({ File(sourceDirectory, PROJECT_FILE) }, sourceDirectoryProperty)
    val projectFile by projectFileProperty
 
+   val databaseFileProperty = createObjectBinding({ File(sourceDirectory, DATABASE_FILE) }, sourceDirectoryProperty)
+   val databaseFile by databaseFileProperty
+
    val runnerProperty = SimpleStringProperty()
    var runner by runnerProperty
 
@@ -100,6 +104,8 @@ class Project {
       createObjectBinding({ File(buildOutDirectory, PROJECT_OUTPUT_JAR_FILE) }, buildOutDirectoryProperty)
    val buildOutputJarFile by buildOutputJarFileProperty
 
+   lateinit var database: DataSource
+
    init {
       sourceDirectoryProperty.addListener { _, _, dir ->
          dir?.let {
@@ -120,7 +126,16 @@ class Project {
       }
    }
 
-   fun mkdirs() {
+   fun init() {
+      database = DataSource(databaseFile)
+      mkdirs()
+   }
+
+   fun dispose() {
+      database.close()
+   }
+
+   private fun mkdirs() {
       sourceDirectory?.mkdirs()
       mapsDirectory?.mkdirs()
       tileSetsDirectory?.mkdirs()
@@ -135,6 +150,7 @@ class Project {
 
    companion object {
       const val PROJECT_FILE = "project.bep"
+      const val DATABASE_FILE = "data"
       const val PROJECT_OUTPUT_JAR_FILE = "game.jar"
 
       const val MAPS_DIR = "maps"

gradle.properties

@@ -11,4 +11,6 @@ protobufPluginVersion=0.8.14
 protobufVersion=3.14.0
 richtextfxVersion=0.10.5
 janinoVersion=3.1.3
-apacheCommonsVersion=3.6.1
+apacheCommonsVersion=3.6.1
+h2Version=1.4.200
+hikariVersion=4.0.3