MOHAWK: Move Riven inventory code to a new class

1 files changed, 202 insertions, 0 deletions

diff --git a/engines/mohawk/riven_inventory.cpp b/engines/mohawk/riven_inventory.cpp
new file mode 100644
index 0000000000..11a42f0ea5
--- /dev/null
+++ b/engines/mohawk/riven_inventory.cpp
@@ -0,0 +1,202 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "mohawk/riven_inventory.h"
+
+#include "mohawk/resource.h"
+#include "mohawk/riven.h"
+#include "mohawk/riven_card.h"
+#include "mohawk/riven_graphics.h"
+#include "mohawk/riven_stack.h"
+
+namespace Mohawk {
+
+RivenInventory::RivenInventory(MohawkEngine_Riven *vm) :
+		_vm(vm) {
+
+	_inventoryDrawn = false;
+
+	_atrusJournalRect1 = Common::Rect(295, 402, 313, 426);
+	_atrusJournalRect2 = Common::Rect(259, 402, 278, 426);
+	_cathJournalRect2 = Common::Rect(328, 408, 348, 419);
+	_atrusJournalRect3 = Common::Rect(222, 402, 240, 426);
+	_cathJournalRect3 = Common::Rect(291, 408, 311, 419);
+	_trapBookRect3 = Common::Rect(363, 396, 386, 432);
+	_demoExitRect = Common::Rect(291, 408, 317, 419);
+}
+
+RivenInventory::~RivenInventory() {
+
+}
+
+void RivenInventory::show() {
+	// Don't redraw the inventory
+	if (_inventoryDrawn)
+		return;
+
+	// Clear the inventory area
+	clearArea();
+
+	// Draw the demo's exit button
+	if (_vm->getFeatures() & GF_DEMO) {
+		// extras.mhk tBMP 101 contains "EXIT" instead of Atrus' journal in the demo!
+		// The demo's extras.mhk contains all the other inventory/marble/credits image
+		// but has hacked tBMP 101 with "EXIT". *sigh*
+		_vm->_gfx->drawExtrasImageToScreen(101, _demoExitRect);
+	} else {
+		// We don't want to show the inventory on setup screens or in other journals.
+		if (_vm->getStack()->getId() == kStackAspit)
+			return;
+
+		// There are three books and three vars. We have three different
+		// combinations. At the start you have just Atrus' journal. Later,
+		// you get Catherine's journal and the trap book. Near the end,
+		// you lose the trap book and have just the two journals.
+
+		bool hasCathBook = _vm->_vars["acathbook"] != 0;
+		bool hasTrapBook = _vm->_vars["atrapbook"] != 0;
+
+		if (!hasCathBook) {
+			_vm->_gfx->drawExtrasImageToScreen(101, _atrusJournalRect1);
+		} else if (!hasTrapBook) {
+			_vm->_gfx->drawExtrasImageToScreen(101, _atrusJournalRect2);
+			_vm->_gfx->drawExtrasImageToScreen(102, _cathJournalRect2);
+		} else {
+			_vm->_gfx->drawExtrasImageToScreen(101, _atrusJournalRect3);
+			_vm->_gfx->drawExtrasImageToScreen(102, _cathJournalRect3);
+			_vm->_gfx->drawExtrasImageToScreen(100, _trapBookRect3);
+		}
+	}
+
+	_vm->_system->updateScreen();
+	_inventoryDrawn = true;
+}
+
+void RivenInventory::hide() {
+	// Don't hide the inventory twice
+	if (!_inventoryDrawn)
+		return;
+
+	// Clear the area
+	clearArea();
+
+	_inventoryDrawn = false;
+}
+
+void RivenInventory::clearArea() {
+	// Clear the inventory area
+	static const Common::Rect inventoryRect = Common::Rect(0, 392, 608, 436);
+
+	// Lock the screen
+	Graphics::Surface *screen = _vm->_system->lockScreen();
+
+	// Fill the inventory area with black
+	screen->fillRect(inventoryRect, screen->format.RGBToColor(0, 0, 0));
+
+	_vm->_system->unlockScreen();
+}
+
+void RivenInventory::checkClick(const Common::Point &mousePos) {
+	// Don't even bother. We're not in the inventory portion of the screen.
+	if (mousePos.y < 392)
+		return;
+
+	// In the demo, check if we've clicked the exit button
+	if (_vm->getFeatures() & GF_DEMO) {
+		if (_demoExitRect.contains(mousePos)) {
+			if (_vm->getStack()->getId() == kStackAspit && _vm->getCard()->getId() == 1) {
+				// From the main menu, go to the "quit" screen
+				_vm->changeToCard(12);
+			} else if (_vm->getStack()->getId() == kStackAspit && _vm->getCard()->getId() == 12) {
+				// From the "quit" screen, just quit
+				_vm->quitGame();
+			} else {
+				// Otherwise, return to the main menu
+				if (_vm->getStack()->getId() != kStackAspit)
+					_vm->changeToStack(kStackAspit);
+				_vm->changeToCard(1);
+			}
+		}
+		return;
+	}
+
+	// No inventory shown on aspit
+	if (_vm->getStack()->getId() == kStackAspit)
+		return;
+
+	// Set the return stack/card id's.
+	_vm->_vars["returnstackid"] = _vm->getStack()->getId();
+	_vm->_vars["returncardid"] = _vm->getStack()->getCardGlobalId(_vm->getCard()->getId());
+
+	// See RivenGraphics::show() for an explanation
+	// of the variables' meanings.
+	bool hasCathBook = _vm->_vars["acathbook"] != 0;
+	bool hasTrapBook = _vm->_vars["atrapbook"] != 0;
+
+	// Go to the book if a hotspot contains the mouse
+	if (!hasCathBook) {
+		if (_atrusJournalRect1.contains(mousePos)) {
+			hide();
+			_vm->changeToStack(kStackAspit);
+			_vm->changeToCard(5);
+		}
+	} else if (!hasTrapBook) {
+		if (_atrusJournalRect2.contains(mousePos)) {
+			hide();
+			_vm->changeToStack(kStackAspit);
+			_vm->changeToCard(5);
+		} else if (_cathJournalRect2.contains(mousePos)) {
+			hide();
+			_vm->changeToStack(kStackAspit);
+			_vm->changeToCard(6);
+		}
+	} else {
+		if (_atrusJournalRect3.contains(mousePos)) {
+			hide();
+			_vm->changeToStack(kStackAspit);
+			_vm->changeToCard(5);
+		} else if (_cathJournalRect3.contains(mousePos)) {
+			hide();
+			_vm->changeToStack(kStackAspit);
+			_vm->changeToCard(6);
+		} else if (_trapBookRect3.contains(mousePos)) {
+			hide();
+			_vm->changeToStack(kStackAspit);
+			_vm->changeToCard(7);
+		}
+	}
+}
+
+void RivenInventory::backFromItemScript() const {
+	RivenScriptPtr stopSoundScript = _vm->_scriptMan->createScriptFromData(1, 12, 1, 1);
+	_vm->_scriptMan->runScript(stopSoundScript, false);
+
+	uint16 backStackId = _vm->_vars["returnstackid"];
+	uint32 backCardId = _vm->_vars["returncardid"];
+
+	// Return to where we were before entering the book
+	RivenCommand *back = new RivenStackChangeCommand(_vm, backStackId, backCardId, true);
+	RivenScriptPtr backScript = _vm->_scriptMan->createScriptWithCommand(back);
+	_vm->_scriptMan->runScript(backScript, false);
+}
+
+} // End of namespace Mohawk