WIP (still non-working) code for speech sync in CD talkie games (like e.g. KQ5 CD and SQ4 CD), taken from Greg's SCI implementation.

svn-id: r40142

2 files changed, 48 insertions, 0 deletions

diff --git a/engines/sci/scicore/resource.cpp b/engines/sci/scicore/resource.cpp
index ec738fea44..6132e4bae5 100644
--- a/engines/sci/scicore/resource.cpp
+++ b/engines/sci/scicore/resource.cpp
@@ -1167,4 +1167,36 @@ int ResourceManager::decompress(Resource *res, Common::File *file) {
 	return error;
 }
 
+void ResourceSync::startSync(Object *obj) {
+	_syncTime = _syncCue = 0xFFFF;
+	// TODO: Convert the following from Greg's code to SCI's code
+	//obj.setPropertyN(g_sci->_objOfs[0x33], 0);	// Greg's
+	//obj->variables[s->game_obj.offset[0x33]] = 0;	// something like this?
+	_ptr = (uint16 *)data;
+	//syncStarted = true;	// not used
+}
+
+void ResourceSync::nextSync(Object *obj) {
+	if (_ptr) {
+		_syncTime = READ_LE_UINT16(_ptr);
+		if (_syncTime == 0xFFFF) {
+			stopSync();
+		} else {
+			_syncCue = READ_LE_UINT16(_ptr + 1);
+			_ptr += 2;
+		}
+		// TODO: Convert the following from Greg's code to SCI's code
+		//obj.setPropertyN(g_sci->_objOfs[0x32], _syncTime);	// Greg's
+		//obj->variables[s->game_obj.offset[0x32]] = _syncTime;	// something like this?
+		//obj.setPropertyN(g_sci->_objOfs[0x33], _syncCue);		// Greg's
+		//obj->variables[s->game_obj.offset[0x33]] = _syncCue;	// something like this?
+	}
+}
+//--------------------------------
+void ResourceSync::stopSync() {
+	_ptr = 0;
+	_syncCue = 0xFFFF;
+	//syncStarted = false;	// not used
+}
+
 } // End of namespace Sci
diff --git a/engines/sci/scicore/resource.h b/engines/sci/scicore/resource.h
index 2f8abf8170..f9d95205d1 100644
--- a/engines/sci/scicore/resource.h
+++ b/engines/sci/scicore/resource.h
@@ -30,6 +30,7 @@
 #include "common/file.h"
 #include "common/archive.h"
 
+#include "sci/engine/vm.h"          // for Object
 #include "sci/scicore/decompressor.h"
 
 namespace Common {
@@ -301,6 +302,21 @@ protected:
 	void removeFromLRU(Resource *res);
 };
 
+class ResourceSync : public Resource {
+public:
+	ResourceSync() {}
+	~ResourceSync() {}
+
+	void startSync(Object *obj);
+	void nextSync(Object *obj);
+	void stopSync();
+
+protected:
+	uint16 *_ptr;
+	uint16 _syncTime, _syncCue;
+	//bool _syncStarted;	// not used
+};
+
 } // End of namespace Sci
 
 #endif // SCI_SCICORE_RESOURCE_H