DIRECTOR: Add intial loader for Lctx blocks

2 files changed, 57 insertions, 0 deletions

diff --git a/engines/director/score.cpp b/engines/director/score.cpp
index b32b436506..a75aed3060 100644
--- a/engines/director/score.cpp
+++ b/engines/director/score.cpp
@@ -163,6 +163,18 @@ void Score::loadArchive() {
 		loadFontMap(*_movieArchive->getResource(MKTAG('V', 'W', 'F', 'M'), 1024));
 	}
 
+	// Try to load script context
+	if (_vm->getVersion() >= 4) {
+		Common::Array<uint16> lctx =  _movieArchive->getResourceIDList(MKTAG('L','c','t','x'));
+		if (lctx.size() > 0) {
+			debugC(2, kDebugLoading, "****** Loading %d Lctx resources", lctx.size());
+
+			for (Common::Array<uint16>::iterator iterator = lctx.begin(); iterator != lctx.end(); ++iterator) {
+				loadLingoContext(*_movieArchive->getResource(MKTAG('L','c','t','x'), *iterator));
+			}
+		}
+	}
+
 	Common::Array<uint16> vwci = _movieArchive->getResourceIDList(MKTAG('V', 'W', 'C', 'I'));
 	if (vwci.size() > 0) {
 		debugC(2, kDebugLoading, "****** Loading %d CastInfos", vwci.size());
@@ -322,6 +334,7 @@ void Score::loadSpriteImages(bool isSharedCast) {
 	}
 }
 
+
 Score::~Score() {
 	if (_surface)
 		_surface->free();
@@ -944,6 +957,48 @@ void Score::loadLingoScript(Common::SeekableSubReadStreamEndian &stream) {
 	_movieScriptCount++;
 }
 
+void Score::loadLingoContext(Common::SeekableSubReadStreamEndian &stream) {
+	if (_vm->getVersion() >= 4) {
+		debugC(1, kDebugLingoCompile, "Add V4 script context");
+
+		if (debugChannelSet(5, kDebugLoading)) {
+			debugC(5, kDebugLoading, "Lctx header:");
+			stream.hexdump(0x2a);
+		}
+
+		_castScriptIds.clear();
+
+		stream.readUint16();
+		stream.readUint16();
+		stream.readUint16();
+		stream.readUint16();
+		stream.readUint16();
+		uint16 itemCount = stream.readUint16();
+		stream.readUint16();
+		/*uint16 itemCount2 = */ stream.readUint16();
+		uint16 itemsOffset = stream.readUint16();
+
+		stream.seek(itemsOffset);
+		for (uint16 i = 0; i < itemCount; i++) {
+			if (debugChannelSet(5, kDebugLoading)) {
+				debugC(5, kDebugLoading, "Context entry %d:", i);
+				stream.hexdump(0xc);
+			}
+
+			stream.readUint16();
+			stream.readUint16();
+			stream.readUint16();
+			uint16 index = stream.readUint16();
+			stream.readUint16();
+			stream.readUint16();
+
+			_castScriptIds.push_back(index);
+		}
+	} else {
+		error("Score::loadLingoContext: unsuported Director version (%d)", _vm->getVersion());
+	}
+}
+
 void Score::loadScriptText(Common::SeekableSubReadStreamEndian &stream) {
 	/*uint32 unk1 = */ stream.readUint32();
 	uint32 strLen = stream.readUint32();
diff --git a/engines/director/score.h b/engines/director/score.h
index 7a04534171..d8c0e83f7a 100644
--- a/engines/director/score.h
+++ b/engines/director/score.h
@@ -116,6 +116,7 @@ private:
 	void loadActions(Common::SeekableSubReadStreamEndian &stream);
 	void loadLingoNames(Common::SeekableSubReadStreamEndian &stream);
 	void loadLingoScript(Common::SeekableSubReadStreamEndian &stream);
+	void loadLingoContext(Common::SeekableSubReadStreamEndian &stream);
 	void loadScriptText(Common::SeekableSubReadStreamEndian &stream);
 	void loadFileInfo(Common::SeekableSubReadStreamEndian &stream);
 	void loadFontMap(Common::SeekableSubReadStreamEndian &stream);
@@ -134,6 +135,7 @@ public:
 	Common::HashMap<uint16, Common::String> _actions;
 	Common::HashMap<uint16, bool> _immediateActions;
 	Common::HashMap<uint16, Common::String> _fontMap;
+	Common::Array<uint16> _castScriptIds;
 	Graphics::ManagedSurface *_surface;
 	Graphics::ManagedSurface *_trailSurface;
 	Graphics::ManagedSurface *_backSurface;