From 3941d588a3233176416edf90d1f248ac4cb0fe5e Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Tue, 29 Jul 2014 11:27:29 +0300
Subject: Fix sprites draw order with non zero map heights.

---
 src/being/being.cpp | 19 +++++++++++++++----
 src/being/being.h   | 11 +++++++----
 2 files changed, 22 insertions(+), 8 deletions(-)

(limited to 'src')

diff --git a/src/being/being.cpp b/src/being/being.cpp
index 0d86aad94..f5c4611ef 100644
--- a/src/being/being.cpp
+++ b/src/being/being.cpp
@@ -177,6 +177,7 @@ Being::Being(const int id,
     mY(0),
     mSortOffsetY(0),
     mOffsetY(0),
+    mFixedOffsetY(0),
     mOldHeight(0),
     mDamageTaken(0),
     mHP(0),
@@ -1358,6 +1359,7 @@ void Being::nextTile()
     mY = pos.y;
     const uint8_t height = mMap->getHeightOffset(mX, mY);
     mOffsetY = height - mOldHeight;
+    mFixedOffsetY = height;
     mNeedPosUpdate = true;
     setAction(BeingAction::MOVE, 0);
 }
@@ -1436,15 +1438,22 @@ void Being::logic()
         if (!xOffset && !yOffset)
             mNeedPosUpdate = false;
 
+/*
         mSortOffsetY = (mOldHeight * mapTileSize / 2)
             + (mOffsetY * mapTileSize / 2)
-            * (mapTileSize - abs(offset)) / mapTileSize;
-        const int yOffset2 = yOffset - mSortOffsetY;
+            * (mapTileSize - abs(offset)) / mapTileSize - mFixedOffsetY * mapTileSize / 2;
+        const int yOffset2 = yOffset - mSortOffsetY - mFixedOffsetY * mapTileSize / 2;
+*/
+        const int halfTile = mapTileSize / 2;
+        const float offset2 = mOffsetY * abs(offset) / 2;
+        mSortOffsetY = (mOldHeight - mFixedOffsetY + mOffsetY)
+            * halfTile - offset2;
+        const float yOffset3 = (mY + 1) * mapTileSize + yOffset
+            - (mOldHeight + mOffsetY) * halfTile + offset2;
 
         // Update pixel coordinates
         setPosition(static_cast<float>(mX * mapTileSize
-            + mapTileSize / 2 + xOffset), static_cast<float>(
-            mY * mapTileSize + mapTileSize + yOffset2));
+            + mapTileSize / 2 + xOffset), yOffset3);
     }
 
     if (mEmotionSprite)
@@ -3313,6 +3322,7 @@ void Being::setTileCoords(const int x, const int y)
     if (mMap)
     {
         mOffsetY = mMap->getHeightOffset(mX, mY);
+        mFixedOffsetY = mOffsetY;
         mNeedPosUpdate = true;
     }
 }
@@ -3323,6 +3333,7 @@ void Being::setMap(Map *const map)
     if (mMap)
     {
         mOffsetY = mMap->getHeightOffset(mX, mY);
+        mFixedOffsetY = mOffsetY;
         mNeedPosUpdate = true;
     }
 }
diff --git a/src/being/being.h b/src/being/being.h
index 776af36dc..c9d343659 100644
--- a/src/being/being.h
+++ b/src/being/being.h
@@ -872,6 +872,7 @@ class Being notfinal : public ActorSprite,
 
         int getSortPixelY() const A_WARN_UNUSED
         { return static_cast<int>(mPos.y) - mYDiff - mSortOffsetY; }
+//        { return static_cast<int>(mPos.y) - mYDiff - mSortOffsetY + 16; }
 
         void setMap(Map *const map);
 
@@ -1008,10 +1009,12 @@ class Being notfinal : public ActorSprite,
         Being *mOwner;
         Particle *mSpecialParticle;
 
-        int mX;            // position in tiles
-        int mY;            // position in tiles
-        int mSortOffsetY;  // caculated offset in pixels based on mOffsetY
-        int mOffsetY;      // fixed tile height offset in pixels
+        int mX;             // position in tiles
+        int mY;             // position in tiles
+        int mSortOffsetY;   // caculated offset in pixels based on mOffsetY
+        int mOffsetY;       // tile height offset in pixels
+                            // calculated between tiles
+        int mFixedOffsetY;  // fixed tile height offset in pixels for tile
         uint8_t mOldHeight;
 
         int mDamageTaken;
-- 
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