MOHAWK: Add basic mouse handling to RivenStack

5 files changed, 72 insertions, 24 deletions

diff --git a/engines/mohawk/riven.cpp b/engines/mohawk/riven.cpp
index c387772f2c..e1581b0cb0 100644
--- a/engines/mohawk/riven.cpp
+++ b/engines/mohawk/riven.cpp
@@ -197,7 +197,7 @@ void MohawkEngine_Riven::handleEvents() {
 	while (_eventMan->pollEvent(event)) {
 		switch (event.type) {
 		case Common::EVENT_MOUSEMOVE:
-			_card->onMouseMove(event.mouse);
+			_stack->onMouseMove(event.mouse);
 
 			if (!(getFeatures() & GF_DEMO)) {
 				// Check to show the inventory, but it is always "showing" in the demo
@@ -213,10 +213,10 @@ void MohawkEngine_Riven::handleEvents() {
 			if (_card->getCurHotspot()) {
 				checkSunnerAlertClick();
 			}
-			_card->onMouseDown(_eventMan->getMousePos());
+			_stack->onMouseDown(_eventMan->getMousePos());
 			break;
 		case Common::EVENT_LBUTTONUP:
-			_card->onMouseUp(_eventMan->getMousePos());
+			_stack->onMouseUp(_eventMan->getMousePos());
 			_inventory->checkClick(_eventMan->getMousePos());
 			break;
 		case Common::EVENT_KEYDOWN:
diff --git a/engines/mohawk/riven_card.cpp b/engines/mohawk/riven_card.cpp
index 894cb4c62a..93f194c610 100644
--- a/engines/mohawk/riven_card.cpp
+++ b/engines/mohawk/riven_card.cpp
@@ -346,37 +346,31 @@ RivenHotspot *RivenCard::getCurHotspot() const {
 	return _hoveredHotspot;
 }
 
-void RivenCard::onMouseDown(const Common::Point &mouse) {
-	onMouseMove(mouse);
+RivenScriptPtr RivenCard::onMouseDown(const Common::Point &mouse) {
+	RivenScriptPtr script = onMouseMove(mouse);
 
 	_pressedHotspot = _hoveredHotspot;
 
-	RivenScriptPtr script;
 	if (_pressedHotspot) {
-		script = _pressedHotspot->getScript(kMouseDownScript);
+		script += _pressedHotspot->getScript(kMouseDownScript);
 	}
 
-	if (script) {
-		_vm->_scriptMan->runScript(script, false);
-	}
+	return script;
 }
 
-void RivenCard::onMouseUp(const Common::Point &mouse) {
-	onMouseMove(mouse);
+RivenScriptPtr RivenCard::onMouseUp(const Common::Point &mouse) {
+	RivenScriptPtr script = onMouseMove(mouse);
 
-	RivenScriptPtr script;
 	if (_pressedHotspot && _pressedHotspot == _hoveredHotspot) {
-		script = _pressedHotspot->getScript(kMouseUpScript);
+		script += _pressedHotspot->getScript(kMouseUpScript);
 	}
 
 	_pressedHotspot = nullptr;
 
-	if (script) {
-		_vm->_scriptMan->runScript(script, false);
-	}
+	return script;
 }
 
-void RivenCard::onMouseMove(const Common::Point &mouse) {
+RivenScriptPtr RivenCard::onMouseMove(const Common::Point &mouse) {
 	RivenHotspot *hotspot = getHotspotContainingPoint(mouse);
 
 	RivenScriptPtr script = RivenScriptPtr(new RivenScript());
@@ -396,7 +390,7 @@ void RivenCard::onMouseMove(const Common::Point &mouse) {
 		_hoveredHotspot = nullptr;
 	}
 
-	_vm->_scriptMan->runScript(script, false);
+	return script;
 }
 
 void RivenCard::onMouseDragUpdate() {
diff --git a/engines/mohawk/riven_card.h b/engines/mohawk/riven_card.h
index b02f5f7753..73c47b66aa 100644
--- a/engines/mohawk/riven_card.h
+++ b/engines/mohawk/riven_card.h
@@ -110,13 +110,13 @@ public:
 	void activateWaterEffect(uint16 index);
 
 	/** Handle a mouse down event */
-	void onMouseDown(const Common::Point &mouse);
+	RivenScriptPtr onMouseDown(const Common::Point &mouse);
 
 	/** Handle a mouse up event */
-	void onMouseUp(const Common::Point &mouse);
+	RivenScriptPtr onMouseUp(const Common::Point &mouse);
 
 	/** Handle a mouse move event */
-	void onMouseMove(const Common::Point &mouse);
+	RivenScriptPtr onMouseMove(const Common::Point &mouse);
 
 	/** Frame update handler for the mouse cursor */
 	void onMouseUpdate();
diff --git a/engines/mohawk/riven_stack.cpp b/engines/mohawk/riven_stack.cpp
index c39464558c..6fa1b15ad5 100644
--- a/engines/mohawk/riven_stack.cpp
+++ b/engines/mohawk/riven_stack.cpp
@@ -36,7 +36,8 @@ namespace Mohawk {
 
 RivenStack::RivenStack(MohawkEngine_Riven *vm, uint16 id) :
 		_vm(vm),
-		_id(id) {
+		_id(id),
+		_mouseIsDown(false) {
 	loadResourceNames();
 	loadCardIdMap();
 	setCurrentStackVariable();
@@ -223,6 +224,46 @@ void RivenStack::installCardTimer() {
 
 }
 
+void RivenStack::onMouseDown(const Common::Point &mouse) {
+	_mouseIsDown = true;
+	_mousePosition = mouse;
+
+	if (_vm->getCard() && !_vm->_scriptMan->hasQueuedScripts()) {
+		_mouseDragStartPosition = mouse;
+
+		RivenScriptPtr script = _vm->getCard()->onMouseDown(mouse);
+
+		if (!script->empty()) {
+			_vm->_scriptMan->runScript(script, false);
+		}
+	}
+}
+
+void RivenStack::onMouseUp(const Common::Point &mouse) {
+	_mouseIsDown = false;
+	_mousePosition = mouse;
+
+	if (_vm->getCard() && !_vm->_scriptMan->hasQueuedScripts()) {
+		RivenScriptPtr script = _vm->getCard()->onMouseUp(mouse);
+
+		if (!script->empty()) {
+			_vm->_scriptMan->runScript(script, false);
+		}
+	}
+}
+
+void RivenStack::onMouseMove(const Common::Point &mouse) {
+	_mousePosition = mouse;
+
+	if (_vm->getCard() && !_vm->_scriptMan->hasQueuedScripts()) {
+		RivenScriptPtr script = _vm->getCard()->onMouseMove(mouse);
+
+		if (!script->empty()) {
+			_vm->_scriptMan->runScript(script, false);
+		}
+	}
+}
+
 RivenNameList::RivenNameList() {
 
 }
diff --git a/engines/mohawk/riven_stack.h b/engines/mohawk/riven_stack.h
index e1e5455c3b..b08052e4e8 100644
--- a/engines/mohawk/riven_stack.h
+++ b/engines/mohawk/riven_stack.h
@@ -25,6 +25,7 @@
 
 #include "common/hash-str.h"
 #include "common/ptr.h"
+#include "common/rect.h"
 #include "common/str-array.h"
 
 namespace Mohawk {
@@ -110,6 +111,15 @@ public:
 	/** Install a timer for the current card if one is defined */
 	virtual void installCardTimer();
 
+	/** Handle a mouse down event */
+	void onMouseDown(const Common::Point &mouse);
+
+	/** Handle a mouse up event */
+	void onMouseUp(const Common::Point &mouse);
+
+	/** Handle a mouse move event */
+	void onMouseMove(const Common::Point &mouse);
+
 	// Common external commands
 	void xflies(uint16 argc, uint16 *argv); // Start the "flies" effect
 
@@ -139,7 +149,6 @@ private:
 	void loadCardIdMap();
 	void setCurrentStackVariable();
 
-
 	uint16 _id;
 
 	// Stack resource names
@@ -152,6 +161,10 @@ private:
 	Common::Array<uint32> _cardIdMap;
 
 	CommandsMap _commands;
+
+	bool _mouseIsDown;
+	Common::Point _mousePosition;
+	Common::Point _mouseDragStartPosition;
 };
 
 namespace RivenStacks {