From 8615f1bbad630602009c04a317cd83e03aaa620c Mon Sep 17 00:00:00 2001
From: Jared Adams <jaxad0127@gmail.com>
Date: Thu, 3 Jun 2010 14:12:42 -0600
Subject: Unload loaded DBs before loading them again
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This greatly simplifies handling DBs when changing states. No more
need to manage unloading in Client (except when exiting).

Reviewed-by: Thorbjørn Lindeijer
---
 src/client.cpp              | 16 ++++++++--------
 src/resources/colordb.cpp   |  2 +-
 src/resources/emotedb.cpp   |  2 +-
 src/resources/itemdb.cpp    |  2 +-
 src/resources/monsterdb.cpp |  2 +-
 src/resources/npcdb.cpp     |  2 +-
 src/statuseffect.cpp        | 10 ++++++++++
 src/statuseffect.h          |  1 +
 8 files changed, 24 insertions(+), 13 deletions(-)

(limited to 'src')

diff --git a/src/client.cpp b/src/client.cpp
index aa48591f..93450805 100644
--- a/src/client.cpp
+++ b/src/client.cpp
@@ -422,6 +422,14 @@ Client::~Client()
     SDL_RemoveTimer(mLogicCounterId);
     SDL_RemoveTimer(mSecondsCounterId);
 
+    // Unload XML databases
+    ColorDB::unload();
+    EmoteDB::unload();
+    ItemDB::unload();
+    MonsterDB::unload();
+    NPCDB::unload();
+    StatusEffect::unload();
+
     // Before config.write() since it writes the shortcuts to the config
     delete itemShortcut;
     delete emoteShortcut;
@@ -575,14 +583,6 @@ int Client::exec()
             {
                 delete game;
                 game = 0;
-
-                // Unload XML databases
-                ColorDB::unload();
-                EmoteDB::unload();
-                ItemDB::unload();
-                MonsterDB::unload();
-                NPCDB::unload();
-                StatusEffect::unload();
             }
 
             mOldState = mState;
diff --git a/src/resources/colordb.cpp b/src/resources/colordb.cpp
index 0041cee4..c35a5660 100644
--- a/src/resources/colordb.cpp
+++ b/src/resources/colordb.cpp
@@ -36,7 +36,7 @@ namespace
 void ColorDB::load()
 {
     if (mLoaded)
-        return;
+        unload();
 
     XML::Document *doc = new XML::Document("hair.xml");
     xmlNodePtr root = doc->rootNode();
diff --git a/src/resources/emotedb.cpp b/src/resources/emotedb.cpp
index 117c0bab..fddab500 100644
--- a/src/resources/emotedb.cpp
+++ b/src/resources/emotedb.cpp
@@ -36,7 +36,7 @@ namespace
 void EmoteDB::load()
 {
     if (mLoaded)
-        return;
+        unload();
 
     mLastEmote = 0;
 
diff --git a/src/resources/itemdb.cpp b/src/resources/itemdb.cpp
index 4638f00e..077012c7 100644
--- a/src/resources/itemdb.cpp
+++ b/src/resources/itemdb.cpp
@@ -108,7 +108,7 @@ static std::string normalized(const std::string &name)
 void ItemDB::load()
 {
     if (mLoaded)
-        return;
+        unload();
 
     logger->log("Initializing item database...");
 
diff --git a/src/resources/monsterdb.cpp b/src/resources/monsterdb.cpp
index e9afa7ef..5a796f5f 100644
--- a/src/resources/monsterdb.cpp
+++ b/src/resources/monsterdb.cpp
@@ -43,7 +43,7 @@ namespace
 void MonsterDB::load()
 {
     if (mLoaded)
-        return;
+        unload();
 
     mUnknown.addSprite("error.xml");
 
diff --git a/src/resources/npcdb.cpp b/src/resources/npcdb.cpp
index 4bc5a6e4..bc36a3b4 100644
--- a/src/resources/npcdb.cpp
+++ b/src/resources/npcdb.cpp
@@ -35,7 +35,7 @@ namespace
 void NPCDB::load()
 {
     if (mLoaded)
-        return;
+        unload();
 
     NPCsprite *unknownSprite = new NPCsprite;
     unknownSprite->sprite = "error.xml";
diff --git a/src/statuseffect.cpp b/src/statuseffect.cpp
index 49619f8a..6ab0b8fa 100644
--- a/src/statuseffect.cpp
+++ b/src/statuseffect.cpp
@@ -32,6 +32,8 @@
 
 #define STATUS_EFFECTS_FILE "status-effects.xml"
 
+bool StatusEffect::mLoaded = false;
+
 StatusEffect::StatusEffect() :
     mPersistentParticleEffect(false)
 {}
@@ -113,6 +115,9 @@ StatusEffect *StatusEffect::getStunEffect(int index, bool enabling)
 
 void StatusEffect::load()
 {
+    if (mLoaded)
+        unload();
+
     XML::Document doc(STATUS_EFFECTS_FILE);
     xmlNodePtr rootNode = doc.rootNode();
 
@@ -175,8 +180,13 @@ void unloadMap(std::map<int, StatusEffect *> map)
 
 void StatusEffect::unload()
 {
+    if (!mLoaded)
+        return;
+
     unloadMap(statusEffects[0]);
     unloadMap(statusEffects[1]);
     unloadMap(stunEffects[0]);
     unloadMap(stunEffects[1]);
+
+    mLoaded = false;
 }
diff --git a/src/statuseffect.h b/src/statuseffect.h
index 0fed5748..fc0e7336 100644
--- a/src/statuseffect.h
+++ b/src/statuseffect.h
@@ -98,6 +98,7 @@ public:
 
     static void unload();
 private:
+    static bool mLoaded;
 
     std::string mMessage;
     std::string mSFXEffect;
-- 
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