MOHAWK: Stub LB clone command.

4 files changed, 102 insertions, 1 deletions

diff --git a/engines/mohawk/livingbooks.cpp b/engines/mohawk/livingbooks.cpp
index bcc13e2707..08f3b86c7c 100644
--- a/engines/mohawk/livingbooks.cpp
+++ b/engines/mohawk/livingbooks.cpp
@@ -107,6 +107,11 @@ void LBPage::open(Archive *mhk, uint16 baseId) {
 		_items[i]->startPhase(kLBPhaseLoad);
 }
 
+void LBPage::addClonedItem(LBItem *item) {
+	_vm->addItem(item);
+	_items.push_back(item);
+}
+
 void LBPage::itemDestroyed(LBItem *item) {
 	for (uint i = 0; i < _items.size(); i++)
 		if (item == _items[i]) {
@@ -2670,6 +2675,24 @@ void LBItem::moveTo(const Common::Point &pos) {
 	_rect.moveTo(pos);
 }
 
+LBItem *LBItem::clone(uint16 newId, const Common::String &newName) {
+	LBItem *item = createClone();
+
+	item->_itemId = newId;
+	item->_desc = newName;
+
+	item->_resourceId = _resourceId;
+	// FIXME: the rest
+
+	_page->addClonedItem(item);
+	// FIXME: zorder?
+	return item;
+}
+
+LBItem *LBItem::createClone() {
+	return new LBItem(_vm, _page, _rect);
+}
+
 void LBItem::runScript(uint event, uint16 data, uint16 from) {
 	for (uint i = 0; i < _scriptEntries.size(); i++) {
 		LBScriptEntry *entry = _scriptEntries[i];
@@ -3075,6 +3098,10 @@ void LBSoundItem::stop() {
 	LBItem::stop();
 }
 
+LBItem *LBSoundItem::createClone() {
+	return new LBSoundItem(_vm, _page, _rect);
+}
+
 LBGroupItem::LBGroupItem(MohawkEngine_LivingBooks *vm, LBPage *page, Common::Rect rect) : LBItem(vm, page, rect) {
 	debug(3, "new LBGroupItem");
 	_starting = false;
@@ -3222,6 +3249,12 @@ void LBGroupItem::moveTo(const Common::Point &pos) {
 	}
 }
 
+LBItem *LBGroupItem::createClone() {
+	// TODO: needed?
+	error("LBGroupItem::createClone unimplemented");
+	return new LBGroupItem(_vm, _page, _rect);
+}
+
 LBPaletteItem::LBPaletteItem(MohawkEngine_LivingBooks *vm, LBPage *page, Common::Rect rect) : LBItem(vm, page, rect) {
 	debug(3, "new LBPaletteItem");
 
@@ -3307,6 +3340,10 @@ void LBPaletteItem::update() {
 	LBItem::update();
 }
 
+LBItem *LBPaletteItem::createClone() {
+	error("can't clone LBPaletteItem");
+}
+
 LBLiveTextItem::LBLiveTextItem(MohawkEngine_LivingBooks *vm, LBPage *page, Common::Rect rect) : LBItem(vm, page, rect) {
 	_currentPhrase = 0xFFFF;
 	_currentWord = 0xFFFF;
@@ -3554,6 +3591,10 @@ void LBLiveTextItem::notify(uint16 data, uint16 from) {
 	LBItem::notify(data, from);
 }
 
+LBItem *LBLiveTextItem::createClone() {
+	error("can't clone LBLiveTextItem");
+}
+
 LBPictureItem::LBPictureItem(MohawkEngine_LivingBooks *vm, LBPage *page, Common::Rect rect) : LBItem(vm, page, rect) {
 	debug(3, "new LBPictureItem");
 }
@@ -3599,6 +3640,10 @@ void LBPictureItem::draw() {
 	_vm->_gfx->copyAnimImageToScreen(_resourceId, _rect.left, _rect.top);
 }
 
+LBItem *LBPictureItem::createClone() {
+	return new LBPictureItem(_vm, _page, _rect);
+}
+
 LBAnimationItem::LBAnimationItem(MohawkEngine_LivingBooks *vm, LBPage *page, Common::Rect rect) : LBItem(vm, page, rect) {
 	_anim = NULL;
 	_running = false;
@@ -3704,6 +3749,12 @@ void LBAnimationItem::draw() {
 	_anim->draw();
 }
 
+LBItem *LBAnimationItem::createClone() {
+	LBAnimationItem *item = new LBAnimationItem(_vm, _page, _rect);
+	item->_anim = new LBAnimation(_vm, item, _resourceId);
+	return item;
+}
+
 LBMovieItem::LBMovieItem(MohawkEngine_LivingBooks *vm, LBPage *page, Common::Rect rect) : LBItem(vm, page, rect) {
 	debug(3, "new LBMovieItem");
 }
@@ -3733,6 +3784,10 @@ bool LBMovieItem::togglePlaying(bool playing, bool restart) {
 	return LBItem::togglePlaying(playing, restart);
 }
 
+LBItem *LBMovieItem::createClone() {
+	return new LBMovieItem(_vm, _page, _rect);
+}
+
 LBMiniGameItem::LBMiniGameItem(MohawkEngine_LivingBooks *vm, LBPage *page, Common::Rect rect) : LBItem(vm, page, rect) {
 	debug(3, "new LBMiniGameItem");
 }
@@ -3768,6 +3823,10 @@ bool LBMiniGameItem::togglePlaying(bool playing, bool restart) {
 	return false;
 }
 
+LBItem *LBMiniGameItem::createClone() {
+	error("can't clone LBMiniGameItem");
+}
+
 LBProxyItem::LBProxyItem(MohawkEngine_LivingBooks *vm, LBPage *page, Common::Rect rect) : LBItem(vm, page, rect) {
 	debug(3, "new LBProxyItem");
 
@@ -3811,4 +3870,8 @@ void LBProxyItem::unload() {
 	LBItem::unload();
 }
 
+LBItem *LBProxyItem::createClone() {
+	return new LBProxyItem(_vm, _page, _rect);
+}
+
 } // End of namespace Mohawk
diff --git a/engines/mohawk/livingbooks.h b/engines/mohawk/livingbooks.h
index cde6357788..23ab0acfb1 100644
--- a/engines/mohawk/livingbooks.h
+++ b/engines/mohawk/livingbooks.h
@@ -415,6 +415,8 @@ public:
 	virtual void moveBy(const Common::Point &pos);
 	virtual void moveTo(const Common::Point &pos);
 
+	LBItem *clone(uint16 newId, const Common::String &newName);
+
 	uint16 getId() { return _itemId; }
 	const Common::String &getName() { return _desc; }
 	const Common::Rect &getRect() { return _rect; }
@@ -452,6 +454,8 @@ protected:
 	bool _isAmbient;
 	bool _doHitTest;
 
+	virtual LBItem *createClone();
+
 	Common::Array<LBScriptEntry *> _scriptEntries;
 	void runScript(uint event, uint16 data = 0, uint16 from = 0);
 	int runScriptEntry(LBScriptEntry *entry);
@@ -472,6 +476,8 @@ public:
 	void stop();
 
 protected:
+	LBItem *createClone();
+
 	bool _running;
 };
 
@@ -503,6 +509,8 @@ public:
 	void moveTo(const Common::Point &pos);
 
 protected:
+	LBItem *createClone();
+
 	bool _starting;
 
 	Common::Array<GroupEntry> _groupEntries;
@@ -519,6 +527,8 @@ public:
 	void update();
 
 protected:
+	LBItem *createClone();
+
 	uint16 _fadeInPeriod, _fadeInStep, _drawStart, _drawCount;
 	uint32 _fadeInStart, _fadeInCurrent;
 	byte *_palette;
@@ -550,6 +560,8 @@ public:
 	void notify(uint16 data, uint16 from);
 
 protected:
+	LBItem *createClone();
+
 	void paletteUpdate(uint16 word, bool on);
 	void drawWord(uint word, uint yPos);
 
@@ -573,6 +585,9 @@ public:
 	bool contains(Common::Point point);
 	void draw();
 	void init();
+
+protected:
+	LBItem *createClone();
 };
 
 class LBAnimationItem : public LBItem {
@@ -593,6 +608,8 @@ public:
 	void stop();
 
 protected:
+	LBItem *createClone();
+
 	LBAnimation *_anim;
 	bool _running;
 };
@@ -604,6 +621,9 @@ public:
 
 	void update();
 	bool togglePlaying(bool playing, bool restart);
+
+protected:
+	LBItem *createClone();
 };
 
 class LBMiniGameItem : public LBItem {
@@ -612,6 +632,9 @@ public:
 	~LBMiniGameItem();
 
 	bool togglePlaying(bool playing, bool restart);
+
+protected:
+	LBItem *createClone();
 };
 
 class LBProxyItem : public LBItem {
@@ -623,6 +646,8 @@ public:
 	void unload();
 
 protected:
+	LBItem *createClone();
+
 	class LBPage *_page;
 };
 
@@ -659,6 +684,7 @@ public:
 	void open(Archive *mhk, uint16 baseId);
 	uint16 getResourceVersion();
 
+	void addClonedItem(LBItem *item);
 	void itemDestroyed(LBItem *item);
 
 	LBCode *_code;
diff --git a/engines/mohawk/livingbooks_code.cpp b/engines/mohawk/livingbooks_code.cpp
index 0cb99f709e..41acea19c4 100644
--- a/engines/mohawk/livingbooks_code.cpp
+++ b/engines/mohawk/livingbooks_code.cpp
@@ -1336,7 +1336,7 @@ void LBCode::cmdKey(const Common::Array<LBValue> &params) {
 
 #define NUM_ITEM_COMMANDS 34
 CodeCommandInfo itemCommandInfo[NUM_ITEM_COMMANDS] = {
-	{ "clone", 0 },
+	{ "clone", &LBCode::itemClone },
 	{ "destroy", 0 },
 	{ "dragBeginFrom", 0 },
 	{ "dragEnd", 0 },
@@ -1389,6 +1389,17 @@ void LBCode::runItemCommand() {
 	(this->*(info.func))(params);
 }
 
+void LBCode::itemClone(const Common::Array<LBValue> &params) {
+	// TODO: first param can be target?
+	if (params.size() != 2)
+		error("incorrect number of parameters (%d) to setParent", params.size());
+
+	uint id = params[0].toInt();
+	const Common::String &name = params[1].toString();
+
+	_currSource->clone(id, name);
+}
+
 void LBCode::itemIsPlaying(const Common::Array<LBValue> &params) {
 	// TODO
 	warning("ignoring isPlaying");
diff --git a/engines/mohawk/livingbooks_code.h b/engines/mohawk/livingbooks_code.h
index a8d5e2d2dc..47dd90f814 100644
--- a/engines/mohawk/livingbooks_code.h
+++ b/engines/mohawk/livingbooks_code.h
@@ -281,6 +281,7 @@ public:
 	void cmdLBXFunc(const Common::Array<LBValue> &params);
 	void cmdKey(const Common::Array<LBValue> &params);
 
+	void itemClone(const Common::Array<LBValue> &params);
 	void itemIsPlaying(const Common::Array<LBValue> &params);
 	void itemIsLoaded(const Common::Array<LBValue> &params);
 	void itemMoveTo(const Common::Array<LBValue> &params);