Don't store autogenerated wang tiles.

Closes bjorn/tiled/#2833
mapeditor · Oct 28, 2020 · 7923ffa · 7923ffa
1 parent 1df989e
commit 7923ffa
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diff --git a/src/libtiled/mapwriter.cpp b/src/libtiled/mapwriter.cpp
@@ -528,6 +528,7 @@ void MapWriterPrivate::writeTileset(QXmlStreamWriter &w, const Tileset &tileset,
 
             const auto wangTiles = ws->sortedWangTiles();
             for (const WangTile &wangTile : wangTiles) {
+                if (wangTile.isAutogenerated()) continue;
                 w.writeStartElement(QStringLiteral("wangtile"));
                 w.writeAttribute(QStringLiteral("tileid"), QString::number(wangTile.tile()->id()));
                 w.writeAttribute(QStringLiteral("wangid"), wangTile.wangId().toString());

diff --git a/src/libtiled/wangset.cpp b/src/libtiled/wangset.cpp
@@ -1000,6 +1000,7 @@ void WangSet::addRotations(bool alternate) {
             if (alternate || !mWangIdToWangTile.contains(rotid))
             {
                 WangTile newtile = i;
+                newtile.setAutogenerated(true);
                 switch (rotation) {
                     case 1: newtile.rotateRight(); break;
                     case 2: newtile.rotateRight(); newtile.rotateRight(); break;

diff --git a/src/libtiled/wangset.h b/src/libtiled/wangset.h
@@ -193,6 +193,9 @@ class TILEDSHARED_EXPORT WangTile
 
     Cell makeCell() const;
 
+    bool isAutogenerated() const { return mAutoGenerated; }
+    void setAutogenerated(bool value) { mAutoGenerated = value; }
+
     bool operator== (const WangTile &other) const
     { return mTile == other.mTile
                 && mWangId == other.mWangId
@@ -211,6 +214,7 @@ class TILEDSHARED_EXPORT WangTile
     bool mFlippedHorizontally;
     bool mFlippedVertically;
     bool mFlippedAntiDiagonally;
+    bool mAutoGenerated = false; // this Tile is a rotated proxy of a real tile, don't save it to a file
 };
 
 class TILEDSHARED_EXPORT WangColor : public Object