- Versioning

Signed-off-by: syeyoung <cyoung06@naver.com>

3 files changed, 17 insertions, 2 deletions

diff --git a/loader/src/main/java/kr/syeyoung/dungeonsguide/launcher/LoaderMeta.java b/loader/src/main/java/kr/syeyoung/dungeonsguide/launcher/LoaderMeta.java
new file mode 100644
index 00000000..df7e1406
--- /dev/null
+++ b/loader/src/main/java/kr/syeyoung/dungeonsguide/launcher/LoaderMeta.java
@@ -0,0 +1,5 @@
+package kr.syeyoung.dungeonsguide.launcher;
+
+public class LoaderMeta {
+    public static final int LOADER_VERSION = 1;
+}
diff --git a/loader/src/main/java/kr/syeyoung/dungeonsguide/launcher/gui/screen/GuiChooseVersion.java b/loader/src/main/java/kr/syeyoung/dungeonsguide/launcher/gui/screen/GuiChooseVersion.java
index e1e91003..e268e7a2 100644
--- a/loader/src/main/java/kr/syeyoung/dungeonsguide/launcher/gui/screen/GuiChooseVersion.java
+++ b/loader/src/main/java/kr/syeyoung/dungeonsguide/launcher/gui/screen/GuiChooseVersion.java
@@ -1,5 +1,6 @@
 package kr.syeyoung.dungeonsguide.launcher.gui.screen;
 
+import kr.syeyoung.dungeonsguide.launcher.LoaderMeta;
 import kr.syeyoung.dungeonsguide.launcher.Main;
 import kr.syeyoung.dungeonsguide.launcher.branch.Update;
 import kr.syeyoung.dungeonsguide.launcher.branch.UpdateBranch;
@@ -115,7 +116,10 @@ public class GuiChooseVersion extends SpecialGuiScreen {
 
         k = 0;
         for (Update update : updates) {
-            this.buttonList.add(new GuiButton(branchList.size() + 10 + k++, tenth+210, 70+ 20 * k, update.getName()));
+            this.buttonList.add(button = new GuiButton(branchList.size() + 10 + k++, tenth+210, 70+ 20 * k, update.getName()));
+            if (update.getMetadata().has("loaderVersion") && update.getMetadata().getInt("loaderVersion") > LoaderMeta.LOADER_VERSION) {
+                button.enabled = false;
+            }
         }
     }
 
diff --git a/loader/src/main/java/kr/syeyoung/dungeonsguide/launcher/loader/RemoteLoader.java b/loader/src/main/java/kr/syeyoung/dungeonsguide/launcher/loader/RemoteLoader.java
index 26e1a6d4..ed83404c 100644
--- a/loader/src/main/java/kr/syeyoung/dungeonsguide/launcher/loader/RemoteLoader.java
+++ b/loader/src/main/java/kr/syeyoung/dungeonsguide/launcher/loader/RemoteLoader.java
@@ -19,6 +19,7 @@
 package kr.syeyoung.dungeonsguide.launcher.loader;
 
 import kr.syeyoung.dungeonsguide.launcher.DGInterface;
+import kr.syeyoung.dungeonsguide.launcher.LoaderMeta;
 import kr.syeyoung.dungeonsguide.launcher.branch.Update;
 import kr.syeyoung.dungeonsguide.launcher.branch.UpdateRetrieverUtil;
 import kr.syeyoung.dungeonsguide.launcher.exceptions.DungeonsGuideLoadingException;
@@ -90,6 +91,11 @@ public class RemoteLoader implements IDGLoader {
                 target = UpdateRetrieverUtil.getUpdate(branchId, updateId);
                 ProgressStateHolder.step("Getting Update Meta");
                 friendlyVersionName = target.getName();
+
+                if (target.getMetadata().has("loaderVersion") && target.getMetadata().getInt("loaderVersion") > LoaderMeta.LOADER_VERSION) {
+                    throw new DungeonsGuideLoadingException("This version of Dungeons Guide requires loader version: " + target.getMetadata().getInt("loaderVersion") +" But current loader version: "+ LoaderMeta.LOADER_VERSION);
+                }
+
             } catch (Exception e) {
                 throw new NoVersionFoundException(friendlyBranchName, friendlyVersionName, branchId+"@"+updateId, e);
             }
@@ -112,7 +118,7 @@ public class RemoteLoader implements IDGLoader {
 
             return dgInterface;
         } catch (Throwable e) { // the reason why I am catching throwable here: in case NoClassDefFoundError.
-            throw new DungeonsGuideLoadingException(e);
+            throw new DungeonsGuideLoadingException("Version: "+branchId+" / "+updateId,e);
         } finally {
             ProgressStateHolder.pop();
         }