diff --git a/.run/AnimationTool.run.xml b/.run/AnimationTool.run.xml
index fad4a4c6..f0dbb256 100644
--- a/.run/AnimationTool.run.xml
+++ b/.run/AnimationTool.run.xml
@@ -1,7 +1,7 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="AnimationTool" type="Application" factoryName="Application" folderName="tools" singleton="true">
     <option name="MAIN_CLASS_NAME" value="com.riiablo.AnimationTool" />
-    <module name="riiablo.tools.main" />
+    <module name="riiablo.tools.old.main" />
     <option name="PROGRAM_PARAMETERS" value="&quot;C:\Program Files (x86)\Steam\steamapps\common\Diablo II&quot;" />
     <option name="VM_PARAMETERS" value="-ea" />
     <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/assets" />
diff --git a/.run/BinGenerationTool.run.xml b/.run/BinGenerationTool.run.xml
index 3f3d2025..069433a2 100644
--- a/.run/BinGenerationTool.run.xml
+++ b/.run/BinGenerationTool.run.xml
@@ -1,7 +1,7 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="BinGenerationTool" type="Application" factoryName="Application" folderName="tools" singleton="true">
     <option name="MAIN_CLASS_NAME" value="com.riiablo.codec.excel.BinGenerationTool" />
-    <module name="riiablo.tools.main" />
+    <module name="riiablo.tools.old.main" />
     <option name="PROGRAM_PARAMETERS" value="com.riiablo.codec.excel data/global/excel &quot;C:\Program Files (x86)\Steam\steamapps\common\Diablo II&quot;" />
     <option name="VM_PARAMETERS" value="-ea" />
     <method v="2">
diff --git a/.run/COF_Finder.run.xml b/.run/COF_Finder.run.xml
index 4545045c..f5218443 100644
--- a/.run/COF_Finder.run.xml
+++ b/.run/COF_Finder.run.xml
@@ -1,7 +1,7 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="COF Finder" type="Application" factoryName="Application" folderName="tools" singleton="true">
     <option name="MAIN_CLASS_NAME" value="com.riiablo.codec.CofFinder" />
-    <module name="riiablo.tools.main" />
+    <module name="riiablo.tools.old.main" />
     <option name="PROGRAM_PARAMETERS" value="&quot;C:\Program Files (x86)\Steam\steamapps\common\Diablo II&quot; SKDT1HS" />
     <option name="VM_PARAMETERS" value="-ea" />
     <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/assets" />
diff --git a/.run/D2_Finder.run.xml b/.run/D2_Finder.run.xml
index a0fbbf21..73c07397 100644
--- a/.run/D2_Finder.run.xml
+++ b/.run/D2_Finder.run.xml
@@ -1,8 +1,8 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="D2 Finder" type="Application" factoryName="Application" folderName="tools" singleton="true">
     <option name="MAIN_CLASS_NAME" value="com.riiablo.codec.D2Finder" />
-    <module name="riiablo.tools.main" />
-    <option name="PROGRAM_PARAMETERS" value="&quot;C:\Program Files (x86)\Steam\steamapps\common\Diablo II&quot; SOSC1HS" />
+    <module name="riiablo.tools.old.main" />
+    <option name="PROGRAM_PARAMETERS" value="&quot;C:\Program Files (x86)\Diablo II&quot; SOSC1HS" />
     <option name="VM_PARAMETERS" value="-ea" />
     <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/assets" />
     <method v="2">
diff --git a/.run/ExcelGenerationTool.run.xml b/.run/ExcelGenerationTool.run.xml
index 2ae350f3..7ff245af 100644
--- a/.run/ExcelGenerationTool.run.xml
+++ b/.run/ExcelGenerationTool.run.xml
@@ -1,7 +1,7 @@
 <component name="ProjectRunConfigurationManager">
   <configuration default="false" name="ExcelGenerationTool" type="Application" factoryName="Application" folderName="tools" singleton="true">
     <option name="MAIN_CLASS_NAME" value="com.riiablo.codec.excel.ExcelGenerationTool" />
-    <module name="riiablo.tools.main" />
+    <module name="riiablo.tools.old.main" />
     <option name="PROGRAM_PARAMETERS" value="com.riiablo.codec.excel.MonStats" />
     <option name="VM_PARAMETERS" value="-ea" />
     <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/assets" />
diff --git a/core/build.gradle b/core/build.gradle
index 55a798a1..53e70a55 100644
--- a/core/build.gradle
+++ b/core/build.gradle
@@ -34,7 +34,6 @@ dependencies {
 // LibGDX
 dependencies {
   api "com.badlogicgames.gdx:gdx:$gdxVersion"
-  api "com.badlogicgames.gdx:gdx-backend-lwjgl:$gdxVersion"
   api "com.badlogicgames.gdx:gdx-ai:$gdxAiVersion"
   api "com.badlogicgames.gdx-controllers:gdx-controllers-core:$gdxControllersVersion"
 }
@@ -112,6 +111,7 @@ dependencies {
   testImplementation platform('org.junit:junit-bom:5.7.1')
   testImplementation 'org.junit.jupiter:junit-jupiter'
   testImplementation "com.badlogicgames.gdx:gdx-backend-headless:$gdxVersion"
+  testImplementation "com.badlogicgames.gdx:gdx-backend-lwjgl:$gdxVersion"
   testImplementation "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-desktop"
 }
 
diff --git a/settings.gradle b/settings.gradle
index 29d1f8b8..b071783e 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -20,7 +20,10 @@ include 'server:mcp'
 include 'server:d2gs'
 include 'server:netty'
 
-include 'tools'
+include 'tools:backends:backend-core'
+include 'tools:backends:backend-headless'
+include 'tools:backends:backend-lwjgl'
+include 'tools:backends:backend-lwjgl3'
 include 'tools:mpq-viewer'
 include 'tools:map-viewer'
 include 'tools:font-metrics'
@@ -32,5 +35,6 @@ include 'tools:video-player'
 include 'tools:physics'
 include 'tools:excel-serializer-generator'
 include 'tools:map-debugger'
+include 'tools:old'
 
 include 'tester' // deprecated
diff --git a/tools/backends/backend-core/build.gradle b/tools/backends/backend-core/build.gradle
new file mode 100644
index 00000000..e12fee1a
--- /dev/null
+++ b/tools/backends/backend-core/build.gradle
@@ -0,0 +1,11 @@
+apply plugin: 'application'
+
+java {
+  sourceCompatibility = JavaVersion.VERSION_1_8
+  targetCompatibility = JavaVersion.VERSION_1_8
+}
+
+dependencies {
+  api project(':core')
+  api "commons-cli:commons-cli:$cliVersion"
+}
diff --git a/tools/src/main/java/com/riiablo/tool/AbstractTool.java b/tools/backends/backend-core/src/main/java/com/riiablo/tool/AbstractTool.java
similarity index 100%
rename from tools/src/main/java/com/riiablo/tool/AbstractTool.java
rename to tools/backends/backend-core/src/main/java/com/riiablo/tool/AbstractTool.java
diff --git a/tools/src/main/java/com/riiablo/tool/Tool.java b/tools/backends/backend-core/src/main/java/com/riiablo/tool/Tool.java
similarity index 100%
rename from tools/src/main/java/com/riiablo/tool/Tool.java
rename to tools/backends/backend-core/src/main/java/com/riiablo/tool/Tool.java
diff --git a/tools/backends/backend-headless/build.gradle b/tools/backends/backend-headless/build.gradle
new file mode 100644
index 00000000..f8e22d40
--- /dev/null
+++ b/tools/backends/backend-headless/build.gradle
@@ -0,0 +1,5 @@
+dependencies {
+  api project(':tools:backends:backend-core')
+  api "com.badlogicgames.gdx:gdx-backend-headless:$gdxVersion"
+  api "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-desktop"
+}
diff --git a/tools/src/main/java/com/riiablo/tool/HeadlessTool.java b/tools/backends/backend-headless/src/main/java/com/riiablo/tool/HeadlessTool.java
similarity index 100%
rename from tools/src/main/java/com/riiablo/tool/HeadlessTool.java
rename to tools/backends/backend-headless/src/main/java/com/riiablo/tool/HeadlessTool.java
diff --git a/tools/backends/backend-lwjgl/build.gradle b/tools/backends/backend-lwjgl/build.gradle
new file mode 100644
index 00000000..2e950ef4
--- /dev/null
+++ b/tools/backends/backend-lwjgl/build.gradle
@@ -0,0 +1,6 @@
+dependencies {
+  api project(':tools:backends:backend-core')
+  api "com.badlogicgames.gdx:gdx-backend-lwjgl:$gdxVersion"
+  api "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-desktop"
+  api "com.kotcrab.vis:vis-ui:$visuiVersion"
+}
diff --git a/tools/src/main/java/com/riiablo/tool/LwjglTool.java b/tools/backends/backend-lwjgl/src/main/java/com/riiablo/tool/LwjglTool.java
similarity index 100%
rename from tools/src/main/java/com/riiablo/tool/LwjglTool.java
rename to tools/backends/backend-lwjgl/src/main/java/com/riiablo/tool/LwjglTool.java
diff --git a/tools/backends/backend-lwjgl3/build.gradle b/tools/backends/backend-lwjgl3/build.gradle
new file mode 100644
index 00000000..ff3fc65e
--- /dev/null
+++ b/tools/backends/backend-lwjgl3/build.gradle
@@ -0,0 +1,6 @@
+dependencies {
+  api project(':tools:backends:backend-core')
+  api "com.badlogicgames.gdx:gdx-backend-lwjgl3:$gdxVersion"
+  api "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-desktop"
+  api "com.kotcrab.vis:vis-ui:$visuiVersion"
+}
diff --git a/tools/backends/backend-lwjgl3/src/main/java/com/riiablo/tool/Lwjgl3Tool.java b/tools/backends/backend-lwjgl3/src/main/java/com/riiablo/tool/Lwjgl3Tool.java
new file mode 100644
index 00000000..0acad0d7
--- /dev/null
+++ b/tools/backends/backend-lwjgl3/src/main/java/com/riiablo/tool/Lwjgl3Tool.java
@@ -0,0 +1,92 @@
+package com.riiablo.tool;
+
+import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application;
+import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration;
+
+/**
+ * must replace all lwjgl tools with this tool
+ */
+public class Lwjgl3Tool extends AbstractTool<Lwjgl3Application> {
+  public static <T extends Tool>
+  Lwjgl3ToolBuilder<T> create(
+      Class<T> toolClass,
+      String cmd,
+      String[] args
+  ) {
+    return create(toolClass, cmd, args, new Lwjgl3ApplicationConfiguration()).defaults();
+  }
+
+  public static <T extends Tool>
+  Lwjgl3ToolBuilder<T> create(
+      Class<T> toolClass,
+      String cmd,
+      String[] args,
+      Lwjgl3ApplicationConfiguration config
+  ) {
+    return new Lwjgl3ToolBuilder<>(toolClass, cmd, args, config);
+  }
+
+  public static final class Lwjgl3ToolBuilder<T extends Tool>
+      extends ToolBuilder<
+          Lwjgl3Application,
+          T,
+          Lwjgl3ApplicationConfiguration,
+          Lwjgl3ToolBuilder<T>
+      >
+  {
+    Lwjgl3ToolBuilder(
+        Class<T> toolClass,
+        String cmd,
+        String[] args,
+        Lwjgl3ApplicationConfiguration config
+    ) {
+      super(toolClass, cmd, args, config);
+    }
+
+    @Override
+    public Lwjgl3Application newInstance(
+        T toolInstance,
+        Lwjgl3ApplicationConfiguration config
+    ) {
+      return new Lwjgl3Application(toolInstance, config);
+    }
+
+    @Override
+    public Lwjgl3ToolBuilder<T> defaults() {
+      config.setTitle(toolClass.getSimpleName());
+      config.setWindowedMode(800, 600);
+      config.setResizable(true);
+      config.setForegroundFPS(300);
+      config.setIdleFPS(300);
+      config.useVsync(false);
+      config.setWindowIcon(
+          "ic_launcher_16.png",
+          "ic_launcher_32.png",
+          "ic_launcher_128.png"
+      );
+      return this;
+    }
+
+    public Lwjgl3ToolBuilder<T> title(String title) {
+      config.setTitle(title);
+      return this;
+    }
+
+    public Lwjgl3ToolBuilder<T> size(int width, int height) {
+      return size(width, height, true);
+    }
+
+    public Lwjgl3ToolBuilder<T> size(int width, int height, boolean resizable) {
+      config.setWindowedMode(width, height);
+      config.setResizable(resizable);
+      return this;
+    }
+  }
+
+  public interface Lwjgl3ToolConfigurator
+      extends ToolConfigurator<Lwjgl3ApplicationConfiguration>
+  {
+    @Override
+    void config(Lwjgl3ApplicationConfiguration config);
+  }
+}
diff --git a/tools/build.gradle b/tools/build.gradle
index beb8a7e1..e1c559cd 100644
--- a/tools/build.gradle
+++ b/tools/build.gradle
@@ -1,42 +1,13 @@
-apply plugin: 'java'
-
 project.ext.visuiVersion = '1.4.2'
 
-dependencies {
-  implementation project(':core')
-  implementation "com.badlogicgames.gdx:gdx-backend-lwjgl:$gdxVersion"
-  implementation "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-desktop"
-  implementation "com.badlogicgames.gdx:gdx-backend-headless:$gdxVersion"
-
-  implementation "commons-cli:commons-cli:$cliVersion"
-  implementation "com.kotcrab.vis:vis-ui:$visuiVersion"
-}
-
-dependencies {
-  implementation "com.badlogicgames.gdx:gdx-box2d:$gdxVersion"
-  implementation "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-desktop"
-  implementation "com.badlogicgames.box2dlights:box2dlights:$box2DLightsVersion"
-}
-
 subprojects {
-  apply plugin: 'java'
   apply plugin: 'application'
 
   [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
 
-  dependencies {
-    implementation project(':core')
-    implementation project(':tools')
-    implementation "com.badlogicgames.gdx:gdx-backend-lwjgl:$gdxVersion"
-    implementation "com.badlogicgames.gdx:gdx-backend-headless:$gdxVersion"
-    implementation "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-desktop"
-
-    implementation "commons-cli:commons-cli:$cliVersion"
-    implementation "com.kotcrab.vis:vis-ui:$visuiVersion"
-  }
-
-  dependencies {
-    testImplementation 'junit:junit:4.12'
+  java {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
   }
 
   run {
diff --git a/tools/camera/build.gradle b/tools/camera/build.gradle
index e90eb07c..a92cf80e 100644
--- a/tools/camera/build.gradle
+++ b/tools/camera/build.gradle
@@ -1,2 +1,3 @@
+dependencies { implementation project(':tools:backends:backend-lwjgl') }
 description = 'Debugs isometric camera functionality.'
 application.mainClass = 'com.riiablo.camera.CameraTool'
diff --git a/tools/d2s-reader/build.gradle b/tools/d2s-reader/build.gradle
index 210b240c..f58d726d 100644
--- a/tools/d2s-reader/build.gradle
+++ b/tools/d2s-reader/build.gradle
@@ -1,2 +1,3 @@
+dependencies { implementation project(':tools:backends:backend-headless') }
 description = 'Deserializes and debugs D2S files.'
 application.mainClass = 'com.riiablo.save.D2SReaderTool'
diff --git a/tools/direction/build.gradle b/tools/direction/build.gradle
index 1d7bca69..89b6a039 100644
--- a/tools/direction/build.gradle
+++ b/tools/direction/build.gradle
@@ -1,2 +1,3 @@
+dependencies { implementation project(':tools:backends:backend-lwjgl') }
 description = 'Debugs entity direction controls.'
 application.mainClass = 'com.riiablo.engine.DirectionTool'
diff --git a/tools/excel-serializer-generator/build.gradle b/tools/excel-serializer-generator/build.gradle
index d0985f83..ea6964bb 100644
--- a/tools/excel-serializer-generator/build.gradle
+++ b/tools/excel-serializer-generator/build.gradle
@@ -1,3 +1,4 @@
+dependencies { implementation project(':tools:backends:backend-headless') }
 description = 'Generates serializer sources for excel tables schemas.'
 application.mainClass = 'com.riiablo.excel.SerializerGeneratorTool'
 
diff --git a/tools/font-metrics/build.gradle b/tools/font-metrics/build.gradle
index 3e620a12..be22eb06 100644
--- a/tools/font-metrics/build.gradle
+++ b/tools/font-metrics/build.gradle
@@ -1,2 +1,3 @@
+dependencies { implementation project(':tools:backends:backend-lwjgl') }
 description = 'Configures font metrics for D2 font files.'
 application.mainClass = 'com.riiablo.FontMetricsTool'
diff --git a/tools/map-debugger/build.gradle b/tools/map-debugger/build.gradle
index 7184030b..b04af1c6 100644
--- a/tools/map-debugger/build.gradle
+++ b/tools/map-debugger/build.gradle
@@ -1,2 +1,3 @@
+dependencies { implementation project(':tools:backends:backend-lwjgl') }
 description = 'Debugs map generation.'
 application.mainClass = 'com.riiablo.MapDebugger'
diff --git a/tools/map-viewer/build.gradle b/tools/map-viewer/build.gradle
index 0785eff6..a2ce55a1 100644
--- a/tools/map-viewer/build.gradle
+++ b/tools/map-viewer/build.gradle
@@ -1,2 +1,3 @@
+dependencies { implementation project(':tools:backends:backend-lwjgl') }
 description = 'View and generate maps.'
 application.mainClass = 'com.riiablo.map.MapViewer'
diff --git a/tools/mpq-viewer/build.gradle b/tools/mpq-viewer/build.gradle
index add591db..863e8ffd 100644
--- a/tools/mpq-viewer/build.gradle
+++ b/tools/mpq-viewer/build.gradle
@@ -1,2 +1,3 @@
+dependencies { implementation project(':tools:backends:backend-lwjgl3') }
 description = 'View and debug MPQ archive contents.'
 application.mainClass = 'com.riiablo.mpq.MPQViewer'
diff --git a/tools/mpq-viewer/src/main/java/com/riiablo/mpq/MPQViewer.java b/tools/mpq-viewer/src/main/java/com/riiablo/mpq/MPQViewer.java
index 170aa419..8d271897 100644
--- a/tools/mpq-viewer/src/main/java/com/riiablo/mpq/MPQViewer.java
+++ b/tools/mpq-viewer/src/main/java/com/riiablo/mpq/MPQViewer.java
@@ -100,7 +100,7 @@ import com.riiablo.map2.Dt1Info;
 import com.riiablo.mpq.widget.CollapsibleVisTable;
 import com.riiablo.mpq.widget.DirectionActor;
 import com.riiablo.mpq.widget.TabbedPane;
-import com.riiablo.tool.LwjglTool;
+import com.riiablo.tool.Lwjgl3Tool;
 import com.riiablo.tool.Tool;
 
 public class MPQViewer {
@@ -111,7 +111,7 @@ public class MPQViewer {
   private static final String EXCEL_PATH = "C:\\Program Files (x86)\\OpenOffice\\program\\scalc.exe";
 
   public static void main(String[] args) {
-    LwjglTool.create(Client.class, "mpq-viewer", args)
+    Lwjgl3Tool.create(Client.class, "mpq-viewer", args)
         .title(TITLE)
         .size(1700, 960, true)
         .start();
diff --git a/tools/old/build.gradle b/tools/old/build.gradle
new file mode 100644
index 00000000..9dab0367
--- /dev/null
+++ b/tools/old/build.gradle
@@ -0,0 +1,17 @@
+project.ext.visuiVersion = '1.4.2'
+
+dependencies {
+  implementation project(':core')
+  implementation "com.badlogicgames.gdx:gdx-backend-lwjgl:$gdxVersion"
+  implementation "com.badlogicgames.gdx:gdx-platform:$gdxVersion:natives-desktop"
+  implementation "com.badlogicgames.gdx:gdx-backend-headless:$gdxVersion"
+
+  implementation "commons-cli:commons-cli:$cliVersion"
+  implementation "com.kotcrab.vis:vis-ui:$visuiVersion"
+}
+
+dependencies {
+  implementation "com.badlogicgames.gdx:gdx-box2d:$gdxVersion"
+  implementation "com.badlogicgames.gdx:gdx-box2d-platform:$gdxVersion:natives-desktop"
+  implementation "com.badlogicgames.box2dlights:box2dlights:$box2DLightsVersion"
+}
diff --git a/tools/src/main/java/com/riiablo/AnimationTool.java b/tools/old/src/main/java/com/riiablo/AnimationTool.java
similarity index 100%
rename from tools/src/main/java/com/riiablo/AnimationTool.java
rename to tools/old/src/main/java/com/riiablo/AnimationTool.java
diff --git a/tools/src/main/java/com/riiablo/BreakpointsTool.java b/tools/old/src/main/java/com/riiablo/BreakpointsTool.java
similarity index 100%
rename from tools/src/main/java/com/riiablo/BreakpointsTool.java
rename to tools/old/src/main/java/com/riiablo/BreakpointsTool.java
index 8d652ed9..811a4ef0 100644
--- a/tools/src/main/java/com/riiablo/BreakpointsTool.java
+++ b/tools/old/src/main/java/com/riiablo/BreakpointsTool.java
@@ -1,5 +1,7 @@
 package com.riiablo;
 
+import java.util.Arrays;
+
 import com.badlogic.gdx.Application;
 import com.badlogic.gdx.ApplicationAdapter;
 import com.badlogic.gdx.Gdx;
@@ -7,8 +9,6 @@ import com.badlogic.gdx.backends.headless.HeadlessApplication;
 import com.badlogic.gdx.backends.headless.HeadlessApplicationConfiguration;
 import com.badlogic.gdx.math.MathUtils;
 
-import java.util.Arrays;
-
 public class BreakpointsTool extends ApplicationAdapter {
   private static final String TAG = "BreakpointsTool";
 
diff --git a/tools/src/main/java/com/riiablo/codec/CofFinder.java b/tools/old/src/main/java/com/riiablo/codec/CofFinder.java
similarity index 100%
rename from tools/src/main/java/com/riiablo/codec/CofFinder.java
rename to tools/old/src/main/java/com/riiablo/codec/CofFinder.java
diff --git a/tools/src/main/java/com/riiablo/codec/D2Finder.java b/tools/old/src/main/java/com/riiablo/codec/D2Finder.java
similarity index 100%
rename from tools/src/main/java/com/riiablo/codec/D2Finder.java
rename to tools/old/src/main/java/com/riiablo/codec/D2Finder.java
diff --git a/tools/src/main/java/com/riiablo/codec/excel/BinGenerationTool.java b/tools/old/src/main/java/com/riiablo/codec/excel/BinGenerationTool.java
similarity index 100%
rename from tools/src/main/java/com/riiablo/codec/excel/BinGenerationTool.java
rename to tools/old/src/main/java/com/riiablo/codec/excel/BinGenerationTool.java
diff --git a/tools/src/main/java/com/riiablo/codec/excel/ExcelGenerationTool.java b/tools/old/src/main/java/com/riiablo/codec/excel/ExcelGenerationTool.java
similarity index 100%
rename from tools/src/main/java/com/riiablo/codec/excel/ExcelGenerationTool.java
rename to tools/old/src/main/java/com/riiablo/codec/excel/ExcelGenerationTool.java
diff --git a/tools/src/main/java/com/riiablo/entity/DirectionTool.java b/tools/old/src/main/java/com/riiablo/entity/DirectionTool.java
similarity index 100%
rename from tools/src/main/java/com/riiablo/entity/DirectionTool.java
rename to tools/old/src/main/java/com/riiablo/entity/DirectionTool.java
diff --git a/tools/src/main/java/com/riiablo/item/ItemGeneratorTool.java b/tools/old/src/main/java/com/riiablo/item/ItemGeneratorTool.java
similarity index 100%
rename from tools/src/main/java/com/riiablo/item/ItemGeneratorTool.java
rename to tools/old/src/main/java/com/riiablo/item/ItemGeneratorTool.java
diff --git a/tools/src/main/java/com/riiablo/video/VideoTool.java b/tools/old/src/main/java/com/riiablo/video/VideoTool.java
similarity index 100%
rename from tools/src/main/java/com/riiablo/video/VideoTool.java
rename to tools/old/src/main/java/com/riiablo/video/VideoTool.java
diff --git a/tools/video-player/build.gradle b/tools/video-player/build.gradle
index 2669ab70..2bf4518e 100644
--- a/tools/video-player/build.gradle
+++ b/tools/video-player/build.gradle
@@ -1,3 +1,4 @@
+dependencies { implementation project(':tools:backends:backend-lwjgl') }
 description = 'Play videos from MPQ archives.'
 application.mainClass = 'com.riiablo.video.VideoPlayerTool'