Add chat command /testparticle for testing particle effects on player.

Command: /testparticle particle.xml - set particle effect on player.
         /testparticle - remove particle effect.

Each second it check for particle file update and reloading it if need.

8 files changed, 75 insertions, 5 deletions

diff --git a/src/commands.cpp b/src/commands.cpp
index da771ede4..3d30e2169 100644
--- a/src/commands.cpp
+++ b/src/commands.cpp
@@ -1192,6 +1192,12 @@ impHandler2(enableAway)
         chatWindow->saveState();
 }
 
+impHandler1(testParticle)
+{
+    if (player_node)
+        player_node->setTestParticle(args);
+}
+
 impHandler0(testsdlfont)
 {
 #if defined USE_OPENGL && defined DEBUG_SDLFONT
diff --git a/src/commands.h b/src/commands.h
index 62f9eaead..f41a16339 100644
--- a/src/commands.h
+++ b/src/commands.h
@@ -123,6 +123,7 @@ namespace Commands
     decHandler(removeName);
     decHandler(disableAway);
     decHandler(enableAway);
+    decHandler(testParticle);
 
     void replaceVars(std::string &str);
 }  // namespace Commands
@@ -213,6 +214,7 @@ enum
     COMMAND_MOVETOHOME,
     COMMAND_SETHOME,
     COMMAND_MAGICATTACK,
+    COMMAND_TEST_PARTICLE,
     COMMAND_HACK,
     END_COMMANDS
 };
@@ -296,13 +298,13 @@ static const CommandInfo commands[] =
     {"", &Commands::dontRemoveName, -1, false},
     {"", &Commands::removeName, -1, false},
     {"disableaway", &Commands::disableAway, -1, false},
-    {"enableaway", &Commands::enableAway, -1, false},
     {"drop", nullptr, Input::KEY_QUICK_DROP, false},
     {"dropn", nullptr, Input::KEY_QUICK_DROPN, false},
     {"movetotarget", nullptr, Input::KEY_MOVE_TO_TARGET, false},
     {"movetohome", nullptr, Input::KEY_MOVE_TO_HOME, false},
     {"sethome", nullptr, Input::KEY_SET_HOME, false},
     {"magicattack", nullptr, Input::KEY_MAGIC_ATTACK, false},
+    {"testparticle", &Commands::testParticle, -1, true},
     {"hack", &Commands::hack, -1, true}
 };
 
diff --git a/src/gui/updaterwindow.cpp b/src/gui/updaterwindow.cpp
index 28efe9499..80ff0c580 100644
--- a/src/gui/updaterwindow.cpp
+++ b/src/gui/updaterwindow.cpp
@@ -925,6 +925,15 @@ bool UpdaterWindow::validateFile(const std::string &filePath,
     return adler == hash;
 }
 
+unsigned long UpdaterWindow::getFileHash(const std::string &filePath)
+{
+    int size = 0;
+    char *buf = static_cast<char*>(ResourceManager::loadFile(filePath, size));
+    if (!buf)
+        return 0;
+    return Net::Download::adlerBuffer(buf, size);
+}
+
 void UpdaterWindow::handleLink(const std::string &link,
                                gcn::MouseEvent *event A_UNUSED)
 {
diff --git a/src/gui/updaterwindow.h b/src/gui/updaterwindow.h
index 440344367..e317e3f95 100644
--- a/src/gui/updaterwindow.h
+++ b/src/gui/updaterwindow.h
@@ -145,6 +145,8 @@ class UpdaterWindow final : public Window,
     static void unloadManaPlusUpdates(const std::string &dir,
                                       const ResourceManager *const resman);
 
+    static unsigned long getFileHash(const std::string &filePath);
+
 private:
     void download();
 
diff --git a/src/localplayer.cpp b/src/localplayer.cpp
index e77d3f249..c69e5b58a 100644
--- a/src/localplayer.cpp
+++ b/src/localplayer.cpp
@@ -50,6 +50,7 @@
 #include "gui/sdlfont.h"
 #include "gui/skilldialog.h"
 #include "gui/socialwindow.h"
+#include "gui/updaterwindow.h"
 #include "gui/viewport.h"
 
 #include "gui/widgets/gmtab.h"
@@ -114,8 +115,8 @@ LocalPlayer::LocalPlayer(const int id, const int subtype) :
     mLastTargetY(0),
     mHomes(),
     mTarget(nullptr),
-    mPlayerFollowed(""),
-    mPlayerImitated(""),
+    mPlayerFollowed(),
+    mPlayerImitated(),
     mNextDestX(0),
     mNextDestY(0),
     mPickUpTarget(nullptr),
@@ -156,9 +157,13 @@ LocalPlayer::LocalPlayer(const int id, const int subtype) :
     mNavigatePath(),
     mTargetDeadPlayers(config.getBoolValue("targetDeadPlayers")),
     mServerAttack(config.getBoolValue("serverAttack")),
-    mLastHitFrom(""),
-    mWaitFor(""),
+    mLastHitFrom(),
+    mWaitFor(),
     mAdvertTime(0),
+    mTestParticle(nullptr),
+    mTestParticleName(),
+    mTestParticleTime(0),
+    mTestParticleHash(0l),
     mBlockAdvert(false),
     mEnableAdvert(config.getBoolValue("enableAdvert")),
     mTradebot(config.getBoolValue("tradebot")),
@@ -358,6 +363,18 @@ void LocalPlayer::slowLogic()
         else
             mAdvertTime = time + 30;
     }
+
+    if (mTestParticleTime != time && !mTestParticleName.empty())
+    {
+        unsigned long hash = UpdaterWindow::getFileHash(mTestParticleName);
+        if (hash != mTestParticleHash)
+        {
+            setTestParticle(mTestParticleName, false);
+            mTestParticleHash = hash;
+        }
+        mTestParticleTime = time;
+    }
+
     BLOCK_END("LocalPlayer::slowLogic")
 }
 
@@ -4310,6 +4327,24 @@ void LocalPlayer::updateStatus() const
     }
 }
 
+void LocalPlayer::setTestParticle(const std::string &fileName, bool updateHash)
+{
+    mTestParticleName = fileName;
+    mTestParticleTime = cur_time;
+    if (mTestParticle)
+    {
+        mChildParticleEffects.removeLocally(mTestParticle);
+        mTestParticle = nullptr;
+    }
+    if (!fileName.empty())
+    {
+        mTestParticle = particleEngine->addEffect(fileName, 0, 0, false);
+        controlParticle(mTestParticle);
+        if (updateHash)
+            mTestParticleHash = UpdaterWindow::getFileHash(mTestParticleName);
+    }
+}
+
 void AwayListener::action(const gcn::ActionEvent &event)
 {
     if (event.getId() == "ok" && player_node && player_node->getAway())
diff --git a/src/localplayer.h b/src/localplayer.h
index 857b61167..6786ee0b0 100644
--- a/src/localplayer.h
+++ b/src/localplayer.h
@@ -468,6 +468,9 @@ class LocalPlayer final : public Being,
 
         void updateStatus() const;
 
+        void setTestParticle(const std::string &fileName,
+                             bool updateHash = true);
+
         std::string getInvertDirectionString();
 
         std::string getCrazyMoveTypeString();
@@ -632,6 +635,10 @@ class LocalPlayer final : public Being,
         std::string mLastHitFrom;
         std::string mWaitFor;
         int mAdvertTime;
+        Particle *mTestParticle;
+        std::string mTestParticleName;
+        int mTestParticleTime;
+        unsigned long mTestParticleHash;
         bool mBlockAdvert;
         bool mEnableAdvert;
         bool mTradebot;
diff --git a/src/net/download.cpp b/src/net/download.cpp
index fad0bf6f2..a8f0e1c0c 100644
--- a/src/net/download.cpp
+++ b/src/net/download.cpp
@@ -125,6 +125,13 @@ unsigned long Download::fadler32(FILE *const file)
     return adler;
 }
 
+unsigned long Download::adlerBuffer(char *buffer, int size)
+{
+    unsigned long adler = adler32(0L, Z_NULL, 0);
+    return adler32(static_cast<uInt>(adler),
+        reinterpret_cast<Bytef*>(buffer), size);
+}
+
 void Download::addHeader(const std::string &header)
 {
     mHeaders = curl_slist_append(mHeaders, header.c_str());
diff --git a/src/net/download.h b/src/net/download.h
index d351a8355..d0025c2b3 100644
--- a/src/net/download.h
+++ b/src/net/download.h
@@ -100,6 +100,8 @@ class Download final
 
         static void secureCurl(CURL *const curl);
 
+        static unsigned long adlerBuffer(char *buffer, int size);
+
     private:
         static int downloadThread(void *ptr);
         static int downloadProgress(void *clientp, double dltotal,