diff options
Diffstat (limited to 'src/game-server/mapreader.cpp')
| -rw-r--r-- | src/game-server/mapreader.cpp | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/src/game-server/mapreader.cpp b/src/game-server/mapreader.cpp index 87101a65..ca1b5cf0 100644 --- a/src/game-server/mapreader.cpp +++ b/src/game-server/mapreader.cpp @@ -31,7 +31,7 @@ #include <cstring> -static std::vector< int > tilesetFirstGids; +static std::vector<unsigned> tilesetFirstGids; Map *MapReader::readMap(const std::string &filename) { @@ -230,10 +230,10 @@ void MapReader::readLayer(xmlNodePtr node, Map *map) for (int i = 0; i < binLen - 3; i += 4) { - int gid = binData[i] | - (binData[i + 1] << 8) | - (binData[i + 2] << 16) | - (binData[i + 3] << 24); + unsigned gid = binData[i] | + (binData[i + 1] << 8) | + (binData[i + 2] << 16) | + (binData[i + 3] << 24); setTileWithGid(map, x, y, gid); @@ -262,8 +262,7 @@ void MapReader::readLayer(xmlNodePtr node, Map *map) { pos = csv.find_first_of(",", oldPos); - const int gid = atoi(csv.substr(oldPos, pos - oldPos).c_str()); - + unsigned gid = atol(csv.substr(oldPos, pos - oldPos).c_str()); setTileWithGid(map, x, y, gid); x++; @@ -290,7 +289,7 @@ void MapReader::readLayer(xmlNodePtr node, Map *map) { if (xmlStrEqual(node->name, BAD_CAST "tile") && y < h) { - int gid = XML::getProperty(node, "gid", -1); + unsigned gid = XML::getProperty(node, "gid", 0); setTileWithGid(map, x, y, gid); if (++x == w) @@ -333,11 +332,21 @@ int MapReader::getObjectProperty(xmlNodePtr node, int def) return val; } -void MapReader::setTileWithGid(Map *map, int x, int y, int gid) +void MapReader::setTileWithGid(Map *map, int x, int y, unsigned gid) { + // Bits on the far end of the 32-bit global tile ID are used for tile flags + const int FlippedHorizontallyFlag = 0x80000000; + const int FlippedVerticallyFlag = 0x40000000; + const int FlippedAntiDiagonallyFlag = 0x20000000; + + // Clear flipping flags, they are not relevant + gid &= ~(FlippedHorizontallyFlag | + FlippedVerticallyFlag | + FlippedAntiDiagonallyFlag); + // Find the tileset with the highest firstGid below/eq to gid - int set = gid; - for (std::vector< int >::const_iterator i = ::tilesetFirstGids.begin(), + unsigned set = gid; + for (std::vector<unsigned>::const_iterator i = ::tilesetFirstGids.begin(), i_end = ::tilesetFirstGids.end(); i != i_end; ++i) { if (gid < *i) |