diff options
Diffstat (limited to 'engines/mads/msurface.cpp')
| -rw-r--r-- | engines/mads/msurface.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/engines/mads/msurface.cpp b/engines/mads/msurface.cpp index 62807e5543..65858f520e 100644 --- a/engines/mads/msurface.cpp +++ b/engines/mads/msurface.cpp @@ -521,4 +521,18 @@ int DepthSurface::getDepth(const Common::Point &pt) { } } +int DepthSurface::getDepthHighBit(const Common::Point &pt) { + if (_vm->_game->_scene._sceneInfo->_depthStyle == 2) { + int bits = (3 - (pt.x % 4)) * 2; + byte v = *getBasePtr(pt.x >> 2, pt.y); + return (v >> bits) & 2; + } else { + if (pt.x < 0 || pt.y < 0 || pt.x >= this->w || pt.y >= this->h) + return 0; + + return *getBasePtr(pt.x, pt.y) & 0x80; + } +} + + } // End of namespace MADS |