From 98731375f9a39319cf2c30274f2ee73a139ba4f0 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sat, 12 Feb 2011 04:18:44 +0200
Subject: Add support for items attribute RemoveSprite. Usefull for example for
 hiding hair if equiped helmet.

---
 src/being.cpp            | 19 +++++++++++++++++++
 src/being.h              |  1 +
 src/resources/itemdb.cpp |  2 ++
 src/resources/iteminfo.h |  7 +++++++
 4 files changed, 29 insertions(+)

diff --git a/src/being.cpp b/src/being.cpp
index 8cde401f2..7851725d4 100644
--- a/src/being.cpp
+++ b/src/being.cpp
@@ -207,9 +207,13 @@ Being::Being(int id, Type type, Uint16 subtype, Map *map):
     mPvpRank(0)
 {
     mSpriteRemap = new int[20];
+    mSpriteHide = new int[20];
 
     for (int f = 0; f < 20; f ++)
+    {
         mSpriteRemap[f] = f;
+        mSpriteHide[f] = 0;
+    }
 
     setMap(map);
     setSubtype(subtype);
@@ -238,6 +242,8 @@ Being::~Being()
 
     delete[] mSpriteRemap;
     mSpriteRemap = 0;
+    delete[] mSpriteHide;
+    mSpriteHide = 0;
 
     delete mSpeechBubble;
     mSpeechBubble = 0;
@@ -1699,6 +1705,9 @@ void Being::drawSprites(Graphics* graphics, int posX, int posY) const
 //    CompoundSprite::drawSprites(graphics, posX, posY);
     for (int f = 0; f < getNumberOfLayers(); f ++)
     {
+        if (mSpriteHide[mSpriteRemap[f]])
+            continue;
+
         Sprite *sprite = getSprite(mSpriteRemap[f]);
         if (sprite)
         {
@@ -1716,6 +1725,9 @@ void Being::drawSpritesSDL(Graphics* graphics, int posX, int posY) const
 
     for (unsigned f = 0; f < size(); f ++)
     {
+        if (mSpriteHide[mSpriteRemap[f]])
+            continue;
+
         Sprite *sprite = getSprite(mSpriteRemap[f]);
         if (sprite)
             sprite->draw(graphics, posX, posY);
@@ -1875,6 +1887,10 @@ void Being::recalcSpritesOrder()
 
 //    logger->log("preparation start");
     std::vector<int>::iterator it;
+
+    for (unsigned slot = 0; slot < sz; slot ++)
+        mSpriteHide[slot] = 0;
+
     for (unsigned slot = 0; slot < sz; slot ++)
     {
         slotRemap.push_back(slot);
@@ -1884,6 +1900,9 @@ void Being::recalcSpritesOrder()
             continue;
 
         const ItemInfo &info = ItemDB::get(id);
+        if (info.getRemoveSprite() > 0)
+            mSpriteHide[info.getRemoveSprite()] = 1;
+
         if (info.getDrawBefore() > 0)
         {
             int id2 = mSpriteIDs[info.getDrawBefore()];
diff --git a/src/being.h b/src/being.h
index f9731366a..db170af30 100644
--- a/src/being.h
+++ b/src/being.h
@@ -764,6 +764,7 @@ class Being : public ActorSprite, public ConfigListener
         std::string mIp;
         unsigned int mPvpRank;
         int *mSpriteRemap;
+        int *mSpriteHide;
 };
 
 extern std::list<BeingCacheEntry*> beingInfoCache;
diff --git a/src/resources/itemdb.cpp b/src/resources/itemdb.cpp
index 826912b33..075104516 100644
--- a/src/resources/itemdb.cpp
+++ b/src/resources/itemdb.cpp
@@ -204,6 +204,7 @@ void ItemDB::load()
         std::string attackAction = XML::getProperty(node, "attack-action", "");
         std::string drawBefore = XML::getProperty(node, "drawBefore", "");
         std::string drawAfter = XML::getProperty(node, "drawAfter", "");
+        std::string removeSprite = XML::getProperty(node, "removeSprite", "");
 
         std::string tags[3];
         tags[0] = XML::getProperty(node, "tag",
@@ -263,6 +264,7 @@ void ItemDB::load()
         itemInfo->setDrawBefore(parseSpriteName(drawBefore));
         itemInfo->setDrawAfter(parseSpriteName(drawAfter));
         itemInfo->setDrawPriority(drawPriority);
+        itemInfo->setRemoveSprite(parseSpriteName(removeSprite));
 
         std::string effect;
         for (int i = 0; i < int(sizeof(fields) / sizeof(fields[0])); ++i)
diff --git a/src/resources/iteminfo.h b/src/resources/iteminfo.h
index 25a30407a..fe07d016a 100644
--- a/src/resources/iteminfo.h
+++ b/src/resources/iteminfo.h
@@ -207,6 +207,12 @@ class ItemInfo
         void setDrawPriority(int n)
         { mDrawPriority = n; }
 
+        int getRemoveSprite() const
+        { return mRemoveSprite; }
+
+        void setRemoveSprite(int n)
+        { mRemoveSprite = n; }
+
         std::map<int, int> getTags() const
         { return mTags; }
 
@@ -226,6 +232,7 @@ class ItemInfo
         int mDrawBefore;
         int mDrawAfter;
         int mDrawPriority;
+        int mRemoveSprite;
 
         // Equipment related members.
         /** Attack type, in case of weapon.
-- 
cgit v1.2.3-70-g09d2