diff options
Diffstat (limited to 'engines/sci/graphics/celobj32.cpp')
| -rw-r--r-- | engines/sci/graphics/celobj32.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/engines/sci/graphics/celobj32.cpp b/engines/sci/graphics/celobj32.cpp index 49b3b0053b..687ecd64f3 100644 --- a/engines/sci/graphics/celobj32.cpp +++ b/engines/sci/graphics/celobj32.cpp @@ -1081,6 +1081,38 @@ const SciSpan<const byte> CelObjView::getResPointer() const { return *resource; } +Common::Point CelObjView::getLinkPosition(const int16 linkId) const { + const SciSpan<const byte> resource = getResPointer(); + + if (resource[18] < 0x84) { + error("%s unsupported version %u for Links", _info.toString().c_str(), resource[18]); + } + + const SciSpan<const byte> celHeader = resource.subspan(_celHeaderOffset); + const int16 numLinks = celHeader.getInt16SEAt(40); + + if (numLinks) { + const int recordSize = 6; + SciSpan<const byte> linkTable = resource.subspan(celHeader.getInt32SEAt(36), recordSize * numLinks); + for (int16 i = 0; i < numLinks; ++i) { + if (linkTable[4] == linkId) { + Common::Point point; + point.x = linkTable.getInt16SEAt(0); + if (_mirrorX) { + // NOTE: SSCI had an off-by-one error here (missing -1) + point.x = _width - point.x - 1; + } + point.y = linkTable.getInt16SEAt(2); + return point; + } + + linkTable += recordSize; + } + } + + return Common::Point(-1, -1); +} + #pragma mark - #pragma mark CelObjPic |