Added script bindings and netcode for creating being-bound effects.

5 files changed, 70 insertions, 12 deletions

diff --git a/src/defines.h b/src/defines.h
index a3a7e2f9..7a93f02f 100644
--- a/src/defines.h
+++ b/src/defines.h
@@ -192,7 +192,8 @@ enum {
     PGMSG_USE_ITEM                 = 0x0300, // B slot
     GPMSG_USE_RESPONSE             = 0x0301, // B error
     GPMSG_BEINGS_DAMAGE            = 0x0310, // { W being id, W amount }*
-    GPMSG_CREATE_EFFECT            = 0x0320, // W effect id, W*2 position
+    GPMSG_CREATE_EFFECT_POS        = 0x0320, // W effect id, W*2 position
+    GPMSG_CREATE_EFFECT_BEING      = 0x0321, // W effect id, W BeingID
 
     // Guild
     PCMSG_GUILD_CREATE                  = 0x0350, // S name
diff --git a/src/game-server/effect.cpp b/src/game-server/effect.cpp
index 4cdbfff5..8d2f9495 100644
--- a/src/game-server/effect.cpp
+++ b/src/game-server/effect.cpp
@@ -39,4 +39,11 @@ namespace Effects
         effect->setPosition(pos);
         GameState::enqueueInsert(effect);
     }
+    void show(int id, MapComposite *map, Being *b)
+    {
+        Effect *effect = new Effect(id);
+        effect->setMap(map);
+        if (effect->setBeing(b))
+            GameState::enqueueInsert(effect);
+    }
 }
diff --git a/src/game-server/effect.hpp b/src/game-server/effect.hpp
index 49a12596..15db5d2e 100644
--- a/src/game-server/effect.hpp
+++ b/src/game-server/effect.hpp
@@ -23,6 +23,7 @@
 #define _TMWSERV_EFFECT_H
 
 #include "game-server/actor.hpp"
+#include "game-server/being.hpp"
 
 class Effect : public Actor
 {
@@ -31,11 +32,15 @@ class Effect : public Actor
           : Actor(OBJECT_EFFECT)
           , mEffectId(id)
           , mHasBeenShown(false)
+          , mBeing(NULL)
         {}
 
         int getEffectId() const
         { return mEffectId; }
 
+        Being *getBeing() const
+        { return mBeing; }
+
         /**
          * Removes effect after it has been shown.
          */
@@ -47,18 +52,33 @@ class Effect : public Actor
         void show()
         { mHasBeenShown = true; }
 
+
+        bool setBeing(Being *b)
+        {
+            if (b)
+            {
+                setPosition(b->getPosition());
+                mBeing = b;
+                return true;
+            } else {
+                return false;
+            }
+        }
+
     private:
         int mEffectId;
         bool mHasBeenShown;
+        Being *mBeing;
 };
 
 
 namespace Effects
 {
     /**
-     * Convenience method to show an effect.
+     * Convenience methods to show an effect.
      */
     void show(int id, MapComposite *map, const Point &pos);
+    void show(int id, MapComposite *map, Being *b);
 
     // TODO: get this in sync with effects.xml
     enum {
diff --git a/src/game-server/state.cpp b/src/game-server/state.cpp
index dcfb9139..faca3c1a 100644
--- a/src/game-server/state.cpp
+++ b/src/game-server/state.cpp
@@ -400,11 +400,20 @@ static void informPlayer(MapComposite *map, Character *p)
                     // Don't show old effects
                     if (!(oflags & UPDATEFLAG_NEW_ON_MAP))
                         break;
-                    MessageOut effectMsg(GPMSG_CREATE_EFFECT);
-                    effectMsg.writeShort(o->getEffectId());
-                    effectMsg.writeShort(opos.x);
-                    effectMsg.writeShort(opos.y);
-                    gameHandler->sendTo(p, effectMsg);
+                    Being *b = o->getBeing();
+                    if (b)
+                    {
+                        MessageOut effectMsg(GPMSG_CREATE_EFFECT_BEING);
+                        effectMsg.writeShort(o->getEffectId());
+                        effectMsg.writeShort(b->getPublicID());
+                        gameHandler->sendTo(p, effectMsg);
+                    } else {
+                        MessageOut effectMsg(GPMSG_CREATE_EFFECT_POS);
+                        effectMsg.writeShort(o->getEffectId());
+                        effectMsg.writeShort(opos.x);
+                        effectMsg.writeShort(opos.y);
+                        gameHandler->sendTo(p, effectMsg);
+                    }
                 }
                 break;
                 default: break;
diff --git a/src/scripting/lua.cpp b/src/scripting/lua.cpp
index 4b2513e6..38177e98 100644
--- a/src/scripting/lua.cpp
+++ b/src/scripting/lua.cpp
@@ -1030,12 +1030,18 @@ static int being_register(lua_State *s)
 /**
  * Triggers a special effect from the clients effects.xml
  * tmw.effect_create (id, x, y)
+ * tmw.effect_create (id,being)
  */
 static int effect_create(lua_State *s)
 {
     if (!lua_isnumber(s, 1) ||
-        !lua_isnumber(s, 2) ||
-        !lua_isnumber(s, 3))
+        (
+            !lua_isnumber(s, 2) ||
+            !lua_isnumber(s, 3)
+        ) && (
+            !lua_isuserdata(s, 2)
+        )
+       )
     {
         raiseScriptError(s, "effect_create called with incorrect parameters.");
         return 0;
@@ -1046,10 +1052,25 @@ static int effect_create(lua_State *s)
 
     MapComposite *m = t->getMap();
     int id = lua_tointeger(s, 1);
-    int x = lua_tointeger(s, 2);
-    int y = lua_tointeger(s, 3);
 
-    Effects::show(id, m, Point(x, y));
+    if (lua_isuserdata(s, 2))
+    {
+        // being mode
+        Being *b = getBeing(s, 2);
+        if (!b)
+        {
+            raiseScriptError(s, "effect_create called on non-existent being");
+            return 0;
+        }
+        Effects::show(id, m, b);
+    }
+    else
+    {
+        // positional mode
+        int x = lua_tointeger(s, 2);
+        int y = lua_tointeger(s, 3);
+        Effects::show(id, m, Point(x, y));
+    }
 
     return 0;
 }