Initial commit

engines/nancy/ui/animatedbutton.cpp

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+/* 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "engines/nancy/cursor.h"
+#include "engines/nancy/input.h"
+#include "engines/nancy/nancy.h"
+#include "engines/nancy/graphics.h"
+#include "engines/nancy/sound.h"
+#include "engines/nancy/util.h"
+
+#include "engines/nancy/state/scene.h"
+
+#include "engines/nancy/ui/animatedbutton.h"
+
+namespace Nancy {
+namespace UI {
+
+AnimatedButton::AnimatedButton(uint zOrder) :
+	RenderObject(zOrder),
+	_frameTime(0),
+	_currentFrame(-1),
+	_nextFrameTime(0),
+	_isOpen(false),
+	_alwaysHighlightCursor(false) {}
+
+void AnimatedButton::init() {
+	setTransparent(true);
+}
+
+void AnimatedButton::updateGraphics() {
+	uint32 currentTime = g_nancy->getTotalPlayTime();
+	if (currentTime > _nextFrameTime) {
+		if (_isOpen && _currentFrame < (int)_srcRects.size()) {
+			setFrame(++_currentFrame);
+			_nextFrameTime = currentTime + _frameTime;
+			setVisible(true);
+			if (_currentFrame == (int)_srcRects.size()) {
+				onTrigger();
+			}
+		} else if (!_isOpen && _currentFrame > -1) {
+			setFrame(--_currentFrame);
+			_nextFrameTime = currentTime + _frameTime;
+			if (_currentFrame == -1) {
+				onTrigger();
+				setVisible(false);
+			}
+		}
+	}
+}
+
+void AnimatedButton::handleInput(NancyInput &input) {
+	if (_hotspot.contains(input.mousePos)) {
+		if (_alwaysHighlightCursor || _currentFrame == -1 || _currentFrame == (int)_srcRects.size()) {
+			g_nancy->_cursor->setCursorType(g_nancy->getGameType() == kGameTypeVampire ? CursorManager::kHotspot : CursorManager::kHotspotArrow);
+		}
+
+		if (isPlaying()) {
+			return;
+		}
+
+		if (!_highlightSrcRect.isEmpty() && !isVisible()) {
+			_drawSurface.create(g_nancy->_graphics->_object0, _highlightSrcRect);
+			moveTo(_highlightDestRect);
+			setVisible(true);
+		}
+
+		if (input.input & NancyInput::kLeftMouseButtonUp) {
+			if (_currentFrame == -1) {
+				onClick();
+				setOpen(true);
+			} else if (_currentFrame == (int)_srcRects.size()) {
+				onClick();
+				setOpen(false);
+			}
+		}
+
+		// This breaks TowerPuzzle in nancy2, so we only enable it for TVD
+		if (g_nancy->getGameType() == kGameTypeVampire) {
+			input.eatMouseInput();
+		}
+	} else if (!_highlightSrcRect.isEmpty() && isVisible() && !(isPlaying() || _isOpen)) {
+		setVisible(false);
+	}
+}
+
+void AnimatedButton::setFrame(int frame) {
+	if (frame > -1 && frame < (int)_srcRects.size()) {
+		_drawSurface.create(g_nancy->_graphics->_object0, _srcRects[frame]);
+		setTransparent(true);
+
+		if (_destRects.size()) {
+			moveTo(_destRects[frame]);
+		}
+
+		_needsRedraw = true;
+	}
+}
+
+bool AnimatedButton::isPlaying() const {
+	return _isOpen ? _currentFrame < (int)_srcRects.size() : _currentFrame > -1;
+}
+
+} // End of namespace UI
+} // End of namespace Nancy