PRINCE: Inventory - left mouse button handling

5 files changed, 135 insertions, 50 deletions

diff --git a/engines/prince/mob.h b/engines/prince/mob.h
index 1c095c2fc4..36630eb6eb 100644
--- a/engines/prince/mob.h
+++ b/engines/prince/mob.h
@@ -66,10 +66,6 @@ public:
 
 	bool _visible; 
 	uint16 _type;
-	uint16 _x1; // initialize this?
-	uint16 _y1;
-	uint16 _x2;
-	uint16 _y2;
 	uint16 _mask;
 	Common::Rect _rect;
 
diff --git a/engines/prince/prince.cpp b/engines/prince/prince.cpp
index 261ba70b26..ae7530997a 100644
--- a/engines/prince/prince.cpp
+++ b/engines/prince/prince.cpp
@@ -82,7 +82,8 @@ PrinceEngine::PrinceEngine(OSystem *syst, const PrinceGameDescription *gameDesc)
 	_invLineX(134), _invLineY(176), _invLine(5), _invLines(3), _invLineW(70), _invLineH(76), _maxInvW(72), _maxInvH(76),
 	_invLineSkipX(2), _invLineSkipY(3), _showInventoryFlag(false), _inventoryBackgroundRemember(false),
 	_mst_shadow(0), _mst_shadow2(0), _candleCounter(0), _invX1(53), _invY1(18), _invWidth(536), _invHeight(438),
-	_invCurInside(false) {
+	_invCurInside(false), _optionsFlag(false), _currentMob(0), _optionEnabled(0), _invOptionsNumber(5),
+	_invExamY(120) {
 
 	// Debug/console setup
 	DebugMan.addDebugChannel(DebugChannel::kScript, "script", "Prince Script debug channel");
@@ -685,7 +686,7 @@ void PrinceEngine::keyHandler(Common::Event event) {
 	}
 }
 
-void PrinceEngine::hotspot(Graphics::Surface *screen, Common::Array<Mob> &mobList) {
+int PrinceEngine::hotspot(Graphics::Surface *screen, Common::Array<Mob> &mobList) {
 	Common::Point mousepos = _system->getEventManager()->getMousePos();
 	Common::Point mousePosCamera(mousepos.x + _picWindowX, mousepos.y);
 
@@ -700,7 +701,7 @@ void PrinceEngine::hotspot(Graphics::Surface *screen, Common::Array<Mob> &mobLis
 				textW += _font->getCharWidth(mob._name[i]);
 			}
 
-			uint16 x = mousepos.x - textW/2;
+			uint16 x = mousepos.x - textW / 2;
 			if (x > screen->w) {
 				x = 0;
 			}
@@ -715,9 +716,10 @@ void PrinceEngine::hotspot(Graphics::Surface *screen, Common::Array<Mob> &mobLis
 			}
 
 			_font->drawString(screen, mob._name, x, y, screen->w, 216);
-			break;
+			return mob._mask;
 		}
 	}
+	return 0;
 }
 
 void PrinceEngine::printAt(uint32 slot, uint8 color, const char *s, uint16 x, uint16 y) {
@@ -740,7 +742,7 @@ uint32 PrinceEngine::getTextWidth(const char *s) {
 	return textW;
 }
 
-void PrinceEngine::showTexts() {
+void PrinceEngine::showTexts(Graphics::Surface *screen) {
 	for (uint32 slot = 0; slot < MAXTEXTS; ++slot) {
 		Text& text = _textSlots[slot];
 		if (!text._str && !text._time)
@@ -751,11 +753,11 @@ void PrinceEngine::showTexts() {
 
 		for (uint8 i = 0; i < lines.size(); ++i) {
 			_font->drawString(
-				_graph->_frontScreen,
+				screen,
 				lines[i],
 				text._x - getTextWidth(lines[i].c_str())/2,
 				text._y - (lines.size() - i) * (_font->getFontHeight()),
-				_graph->_frontScreen->w,
+				screen->w,
 				text._color
 			);
 		}
@@ -1249,8 +1251,8 @@ void PrinceEngine::drawScreen() {
 		playNextFrame();
 
 		if (!_inventoryBackgroundRemember) {
-			hotspot(_graph->_frontScreen, _mobList);
-			showTexts();
+			_currentMob = hotspot(_graph->_frontScreen, _mobList);
+			showTexts(_graph->_frontScreen);
 		} else {
 			_inventoryBackgroundRemember = false;
 		}
@@ -1372,18 +1374,13 @@ void PrinceEngine::prepareInventoryToView() {
 		for (int j = 0; j < _invLine; j++) {
 			Mob tempMobItem;
 			if (item < _mainHero->_inventory.size()) {
-				int itemNr =  _mainHero->_inventory[item];
+				int itemNr = _mainHero->_inventory[item];
 				tempMobItem._visible = 0;
 				tempMobItem._mask =  itemNr; // itemNr - 1??
-				tempMobItem._x1 = currInvX + _picWindowX; //picWindowX2 ?
-				tempMobItem._x2 = currInvX + _picWindowX + _invLineW  - 1; // picWindowX2 ?
-				tempMobItem._y1 = currInvY;
-				tempMobItem._y2 = currInvY + _invLineH - 1;
-
-				tempMobItem._rect.left = tempMobItem._x1;
-				tempMobItem._rect.right = tempMobItem._x2;
-				tempMobItem._rect.top = tempMobItem._y1;
-				tempMobItem._rect.bottom = tempMobItem._y2;
+				tempMobItem._rect.left = currInvX + _picWindowX; //picWindowX2 ?
+				tempMobItem._rect.right = currInvX + _picWindowX + _invLineW  - 1; // picWindowX2 ?
+				tempMobItem._rect.top = currInvY;
+				tempMobItem._rect.bottom = currInvY + _invLineH - 1;
 
 				tempMobItem._name = "";
 				tempMobItem._examText = "";
@@ -1466,6 +1463,59 @@ void PrinceEngine::drawInvItems() {
 	}
 }
 
+void PrinceEngine::inventoryLeftButton() {
+	if (_optionsFlag == 1) {
+		//check_opt
+		if (_currentMob != 0) {
+			if (_optionEnabled < _invOptionsNumber) {
+				_optionsFlag = 0;
+				// ebp = _currentMob;
+			} else {
+				return;
+			}
+		} else {
+			// test bx, RMBMask 7996 ?
+		}
+	} else {
+		if (_currentMob != 0) {
+			//if (_currentPointerNumber != 2) {
+				if (_currentMob != 29) {
+					_optionEnabled = 0;
+				} else {
+					_optionEnabled = 1;
+				}
+				//do_option
+			//} else {
+				//use_item_on_item
+			//}
+		}
+	}
+	//do_option
+	int selectedMob = _currentMob; // no _currentMob just selectedMob as global for _currentMob.mask ?
+	if (_optionEnabled == 0) {
+		int invObjExamEvent = _script->scanInvObjExamEvents(selectedMob); // test this
+		if (invObjExamEvent == -1) {
+			// do_standard
+			printAt(0, 216, _invMobList[selectedMob]._examText.c_str(), kNormalWidth / 2, _invExamY);
+			showTexts(_graph->_screenForInventory); // here?
+			// setSpecVoice();
+		} else {
+			//store_new_pc
+			// storeNewPC();
+			_flags->setFlagValue(Flags::CURRMOB, selectedMob);
+			_currentMob = 0;
+			//_optionsMob = 0;
+		}
+	} else {
+		// not_examine
+
+	}
+}
+
+void PrinceEngine::inventoryRightButton() {
+
+}
+
 void PrinceEngine::displayInventory() {
 	// temp:
 	_mainHero->_inventory.clear();
@@ -1475,10 +1525,41 @@ void PrinceEngine::displayInventory() {
 	_mainHero->_inventory.push_back(4);
 	_mainHero->_inventory.push_back(68);
 
+	_mainHero->_inventory.push_back(29);
+	_mainHero->_inventory.push_back(13);
+	_mainHero->_inventory.push_back(44);
+	_mainHero->_inventory.push_back(67);
+
 	prepareInventoryToView();
 
 	while (!shouldQuit()) {
 
+		rememberScreenInv();
+
+		Graphics::Surface *suitcase = _suitcaseBmp->getSurface();
+		_graph->drawTransparentSurface(_graph->_screenForInventory, 0, 0, suitcase, 0);
+
+		drawInvItems();
+
+		Common::Rect _inventoryRect;
+		_inventoryRect.left = _invX1;
+		_inventoryRect.top = _invY1;
+		_inventoryRect.right = _invX1 + _invWidth;
+		_inventoryRect.bottom = _invY1 + _invHeight;
+		Common::Point mousePos = _system->getEventManager()->getMousePos();
+
+		if (!_invCurInside && _inventoryRect.contains(mousePos)) {
+			_invCurInside = true;
+		}
+
+		if (_invCurInside && !_inventoryRect.contains(mousePos)) {
+			inventoryFlagChange(false);
+			_invCurInside = false;
+			break;
+		}
+
+		_currentMob = hotspot(_graph->_screenForInventory, _invMobList);
+
 		Common::Event event;
 		Common::EventManager *eventMan = _system->getEventManager();
 		while (eventMan->pollEvent(event)) {
@@ -1491,6 +1572,8 @@ void PrinceEngine::displayInventory() {
 			case Common::EVENT_MOUSEMOVE:
 				break;
 			case Common::EVENT_LBUTTONDOWN:
+				inventoryLeftButton();
+				break;
 			case Common::EVENT_RBUTTONDOWN:
 				break;
 			case Common::EVENT_LBUTTONUP:
@@ -1506,31 +1589,6 @@ void PrinceEngine::displayInventory() {
 		if (shouldQuit())
 			return;
 
-		rememberScreenInv();
-
-		Graphics::Surface *suitcase = _suitcaseBmp->getSurface();
-		_graph->drawTransparentSurface(_graph->_screenForInventory, 0, 0, suitcase, 0);
-
-		drawInvItems();
-
-		Common::Rect _inventoryRect;
-		_inventoryRect.left = _invX1;
-		_inventoryRect.top = _invY1;
-		_inventoryRect.right = _invX1 + _invWidth;
-		_inventoryRect.bottom = _invY1 + _invHeight;
-		Common::Point mousePos = _system->getEventManager()->getMousePos();
-
-		if (!_invCurInside && _inventoryRect.contains(mousePos)) {
-			_invCurInside = true;
-		}
-
-		if (_invCurInside && !_inventoryRect.contains(mousePos)) {
-			inventoryFlagChange(false);
-			_invCurInside = false;
-			break;
-		}
-
-		hotspot(_graph->_screenForInventory, _invMobList);
 		getDebugger()->onFrame();
 		_graph->update(_graph->_screenForInventory);
 		pause();
diff --git a/engines/prince/prince.h b/engines/prince/prince.h
index b85a1610c8..46c573b0a6 100644
--- a/engines/prince/prince.h
+++ b/engines/prince/prince.h
@@ -273,12 +273,18 @@ public:
 	void showMask(int maskNr, Graphics::Surface *originalRoomSurface);
 	void clsMasks();
 
+	int _currentMob; // number of selected Mob / inventory item
+
 	static const int16 kMaxInv = 90; // max amount of inventory items in whole game
 
 	uint32 _invTxtSize;
 	byte *_invTxt;
 
 	bool _showInventoryFlag;
+	bool _optionsFlag;
+	int _optionEnabled;
+	int _invOptionsNumber;
+	int _invExamY;
 	bool _inventoryBackgroundRemember;
 	int _invLineX;
 	int _invLineY;
@@ -307,6 +313,8 @@ public:
 	void displayInventory();
 	void addInvObj();
 	void makeInvCursor();
+	void inventoryLeftButton();
+	void inventoryRightButton();
 
 	int testAnimNr;
 	int testAnimFrame;
@@ -314,9 +322,9 @@ public:
 private:
 	bool playNextFrame();
 	void keyHandler(Common::Event event);
-	void hotspot(Graphics::Surface *screen, Common::Array<Mob> &mobList);
+	int hotspot(Graphics::Surface *screen, Common::Array<Mob> &mobList);
 	void drawScreen();
-	void showTexts();
+	void showTexts(Graphics::Surface *screen);
 	void init();
 	void showLogo();
 	void showBackAnims();
diff --git a/engines/prince/script.cpp b/engines/prince/script.cpp
index 331e425a42..4eed60d7e5 100644
--- a/engines/prince/script.cpp
+++ b/engines/prince/script.cpp
@@ -205,6 +205,27 @@ uint8 *Script::getRoomOffset(int locationNr) {
 	return &_data[_scriptInfo.rooms + locationNr * 64];
 }
 
+struct RE {
+	int16 _mob; // number of Mob, -1 for end of list
+	int32 _code; // offset of code in script
+};
+
+int Script::scanInvObjExamEvents(int mobMask) {
+	RE tempRE;
+	int i = 0;
+	do {
+		tempRE._mob = (int)READ_UINT16(&_data[_scriptInfo.invObjExam + i * 6]);
+		debug("mob: %d", tempRE._mob);
+		tempRE._code = (int)READ_UINT32(&_data[_scriptInfo.invObjExam + i * 6 + 2]);
+		debug("code: %d", tempRE._code);
+		if (tempRE._mob == mobMask) {
+			return tempRE._code;
+		}
+		i++;
+	} while (tempRE._mob != -1); //?? || i <= 1 or without this (no items there)
+	return -1; // or sth else?
+}
+
 void Script::installSingleBackAnim(Common::Array<BackgroundAnim> &_backanimList, int offset) {
 
 	BackgroundAnim newBackgroundAnim;
diff --git a/engines/prince/script.h b/engines/prince/script.h
index 4b9f85a61e..06b09b94c4 100644
--- a/engines/prince/script.h
+++ b/engines/prince/script.h
@@ -137,6 +137,8 @@ public:
 	void installSingleBackAnim(Common::Array<BackgroundAnim> &_backanimList, int offset);
 	bool loadAllMasks(Common::Array<Mask> &maskList, int offset);
 
+	int scanInvObjExamEvents(int mobMask);
+
 	const char *getString(uint32 offset) {
 		return (const char *)(&_data[offset]);
 	}