1 files changed, 227 insertions, 0 deletions
diff --git a/engines/sherlock/tattoo/tattoo_scene.cpp b/engines/sherlock/tattoo/tattoo_scene.cpp
new file mode 100644
index 0000000000..f03e791c52
--- /dev/null
+++ b/engines/sherlock/tattoo/tattoo_scene.cpp
@@ -0,0 +1,227 @@
+/* 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 "sherlock/tattoo/tattoo_scene.h"
+#include "sherlock/tattoo/tattoo.h"
+#include "sherlock/tattoo/tattoo_user_interface.h"
+#include "sherlock/events.h"
+#include "sherlock/people.h"
+
+namespace Sherlock {
+
+namespace Tattoo {
+
+TattooScene::TattooScene(SherlockEngine *vm) : Scene(vm) {
+	_arrowZone = -1;
+	_mask = _mask1 = nullptr;
+	_maskCounter = 0;
+}
+
+void TattooScene::checkBgShapes() {
+	People &people = *_vm->_people;
+	Person &holmes = people._player;
+	Common::Point pt(holmes._position.x / FIXED_INT_MULTIPLIER, holmes._position.y / FIXED_INT_MULTIPLIER);
+
+	// Call the base scene method to handle bg shapes
+	Scene::checkBgShapes();
+
+	// Check for any active playing animation
+	if (_activeCAnim._images && _activeCAnim._zPlacement != REMOVE) {
+		switch (_activeCAnim._flags & 3) {
+		case 0:
+			_activeCAnim._zPlacement = BEHIND;
+			break;
+		case 1:
+			_activeCAnim._zPlacement = ((_activeCAnim._position.y + _activeCAnim._imageFrame->_frame.h - 1)) ?
+				NORMAL_FORWARD : NORMAL_BEHIND;
+			break;
+		case 2:
+			_activeCAnim._zPlacement = FORWARD;
+			break;
+		default:
+			break;
+		}
+	}
+}
+
+void TattooScene::doBgAnimCheckCursor() {
+	Events &events = *_vm->_events;
+	UserInterface &ui = *_vm->_ui;
+	Common::Point mousePos = events.mousePos();
+
+	// If we're in Look Mode, make sure the cursor is the magnifying glass
+	if (ui._menuMode == LOOK_MODE && events.getCursor() != MAGNIFY)
+		events.setCursor(MAGNIFY);
+
+	// See if the mouse is over any of the arrow zones, and if so, change the cursor to the correct
+	// arrow cursor indicating the direcetion of the exit
+	if (events.getCursor() == ARROW || events.getCursor() >= EXIT_ZONES_START) {
+		CursorId cursorId = ARROW;
+
+		if (ui._menuMode == STD_MODE && _arrowZone != -1 && _currentScene != 90) {
+			for (uint idx = 0; idx < _exits.size(); ++idx) {
+				Exit &exit = _exits[idx];
+				if (exit.contains(mousePos))
+					cursorId = (CursorId)(exit._image + EXIT_ZONES_START);
+			}
+		}
+
+		events.setCursor(cursorId);
+	}
+}
+
+void TattooScene::doBgAnimEraseBackground() {
+	TattooEngine &vm = *((TattooEngine *)_vm);
+	People &people = *_vm->_people;
+	Screen &screen = *_vm->_screen;
+	TattooUserInterface &ui = *((TattooUserInterface *)_vm->_ui);
+	
+	static const int16 OFFSETS[16] = { -1, -2, -3, -3, -2, -1, -1, 0, 1, 2, 3, 3, 2, 1, 0, 0 };
+
+	if (_mask != nullptr) {
+		if (screen._backBuffer1.w() > screen.w())
+			screen.blitFrom(screen._backBuffer1, Common::Point(0, 0), Common::Rect(screen._currentScroll, 0,
+			screen._currentScroll + screen.w(), screen.h()));
+		else
+			screen.blitFrom(screen._backBuffer1);
+
+		switch (_currentScene) {
+		case 7:
+			if (++_maskCounter == 2) {
+				_maskCounter = 0;
+				if (--_maskOffset.x < 0)
+					_maskOffset.x = SHERLOCK_SCREEN_WIDTH - 1;
+			}
+			break;
+
+		case 8:
+			_maskOffset.x += 2;
+			if (_maskOffset.x >= SHERLOCK_SCREEN_WIDTH)
+				_maskOffset.x = 0;
+			break;
+
+		case 18:
+		case 68:
+			++_maskCounter;
+			if (_maskCounter / 4 >= 16)
+				_maskCounter = 0;
+
+			_maskOffset.x = OFFSETS[_maskCounter / 4];
+			break;
+
+		case 53:
+			if (++_maskCounter == 2) {
+				_maskCounter = 0;
+				if (++_maskOffset.x == screen._backBuffer1.w())
+					_maskOffset.x = 0;
+			}
+			break;
+
+		default:
+			break;
+		}
+	} else {
+		// Standard scene without mask, so call user interface to erase any UI elements as necessary
+		ui.doBgAnimRestoreUI();
+		
+		// Restore background for any areas covered by characters and shapes
+		for (uint idx = 0; idx < MAX_CHARACTERS; ++idx)
+			screen.restoreBackground(Common::Rect(people[idx]._oldPosition.x, people[idx]._oldPosition.y,
+				people[idx]._oldPosition.x + people[idx]._oldSize.x, people[idx]._oldPosition.y + people[idx]._oldSize.y));
+
+		for (uint idx = 0; idx < _bgShapes.size(); ++idx) {
+			Object &obj = _bgShapes[idx];
+						
+			if ((obj._type == ACTIVE_BG_SHAPE && (obj._maxFrames > 1 || obj._delta.x != 0 || obj._delta.y != 0)) || 
+					obj._type == HIDE_SHAPE || obj._type == REMOVE)
+				screen._backBuffer1.blitFrom(*obj._imageFrame, obj._oldPosition, 
+					Common::Rect(obj._oldPosition.x, obj._oldPosition.y, obj._oldPosition.x + obj._oldSize.x,
+						obj._oldPosition.y + obj._oldSize.y));
+		}
+
+		// If credits are active, erase the area they cover
+		if (vm._creditsActive)
+			vm.eraseCredits();
+	}
+
+	for (uint idx = 0; idx < _bgShapes.size(); ++idx) {
+		Object &obj = _bgShapes[idx];
+
+		if (obj._type == NO_SHAPE && (obj._flags & 1) == 0) {
+			screen._backBuffer1.blitFrom(screen._backBuffer2, obj._position, obj.getNoShapeBounds());
+
+			obj._oldPosition = obj._position;
+			obj._oldSize = obj._noShapeSize;
+		}
+	}
+
+	// Adjust the Target Scroll if needed
+	if ((people[people._walkControl]._position.x / FIXED_INT_MULTIPLIER - screen._currentScroll) < 
+			(SHERLOCK_SCREEN_WIDTH / 8) && people[people._walkControl]._delta.x < 0) {
+		
+		screen._targetScroll = (short)(people[people._walkControl]._position.x / FIXED_INT_MULTIPLIER - 
+				SHERLOCK_SCREEN_WIDTH / 8 - 250);
+		if (screen._targetScroll < 0)
+			screen._targetScroll = 0;
+	}
+
+	if ((people[people._walkControl]._position.x / FIXED_INT_MULTIPLIER - screen._currentScroll) > (SHERLOCK_SCREEN_WIDTH / 4 * 3) 
+			&& people[people._walkControl]._delta.x > 0)
+		screen._targetScroll = (short)(people[people._walkControl]._position.x / FIXED_INT_MULTIPLIER - 
+			SHERLOCK_SCREEN_WIDTH / 4 * 3 + 250);
+
+	if (screen._targetScroll > screen._scrollSize)
+		screen._targetScroll = screen._scrollSize;
+
+	ui.doScroll();
+}
+
+void TattooScene::doBgAnim() {
+	doBgAnimCheckCursor();
+
+//	Events &events = *_vm->_events;
+	People &people = *_vm->_people;
+//	Scene &scene = *_vm->_scene;
+	Screen &screen = *_vm->_screen;
+	Talk &talk = *_vm->_talk;
+
+	screen.setDisplayBounds(Common::Rect(0, 0, SHERLOCK_SCREEN_WIDTH, SHERLOCK_SCENE_HEIGHT));
+	talk._talkToAbort = false;
+
+	// Check the characters and sprites for updates
+	for (int idx = 0; idx < MAX_CHARACTERS; ++idx) {
+		if (people[idx]._type == CHARACTER)
+			people[idx].checkSprite();
+	}
+
+	for (uint idx = 0; idx < _bgShapes.size(); ++idx) {
+		if (_bgShapes[idx]._type == ACTIVE_BG_SHAPE)
+			_bgShapes[idx].checkObject();
+	}
+
+	// Erase any affected background areas
+	doBgAnimEraseBackground();
+}
+
+} // End of namespace Tattoo
+
+} // End of namespace Sherlock