Initial commit

engines/crab/input/cursor.cpp

@@ -0,0 +1,127 @@
+/* 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/>.
+ *
+ */
+
+/*
+ * This code is based on the CRAB engine
+ *
+ * Copyright (c) Arvind Raja Yadav
+ *
+ * Licensed under MIT
+ *
+ */
+
+//=============================================================================
+// Author:   Arvind
+// Purpose:  Cursor class
+//=============================================================================
+#include "graphics/cursorman.h"
+#include "graphics/managed_surface.h"
+#include "crab/crab.h"
+#include "crab/input/cursor.h"
+
+namespace Crab {
+using namespace pyrodactyl::input;
+
+//------------------------------------------------------------------------
+// Purpose: Reset all values
+//------------------------------------------------------------------------
+void Cursor::reset() {
+	_motion.x = 0;
+	_motion.y = 0;
+
+	_button.x = 0;
+	_button.y = 0;
+
+	_rel.x = 0;
+	_rel.y = 0;
+
+	// set to -1, so its set to 0 on first update
+	_state = -1;
+}
+
+//------------------------------------------------------------------------
+// Purpose: Reset all values
+//------------------------------------------------------------------------
+void Cursor::load(rapidxml::xml_node<char> *node) {
+	if (nodeValid("normal", node)) {
+		rapidxml::xml_node<char> *nornode = node->first_node("normal");
+		_img.load(nornode, "img");
+		_imgS.load(nornode, "img_s");
+	}
+
+	if (nodeValid("hover", node)) {
+		rapidxml::xml_node<char> *hovnode = node->first_node("hover");
+		_imgHover.load(hovnode, "img");
+		_imgHoverS.load(hovnode, "img_s");
+
+		if (nodeValid("offset", hovnode))
+			_hoverOffset.load(hovnode->first_node("offset"));
+	}
+}
+
+//------------------------------------------------------------------------
+// Purpose: Handle Events
+//------------------------------------------------------------------------
+void Cursor::handleEvents(const Common::Event &event) {
+	g_engine->_mouse->_hover = false;
+
+	if (event.type == Common::EVENT_MOUSEMOVE) {
+		_motion.x = event.mouse.x;
+		_motion.y = event.mouse.y;
+
+		_rel.x = event.relMouse.x;
+		_rel.y = event.relMouse.y;
+	} else if (event.type == Common::EVENT_LBUTTONDOWN) {
+		_pressed = true;
+
+		_button.x = event.mouse.x;
+		_button.y = event.mouse.y;
+	} else if (event.type == Common::EVENT_LBUTTONUP) {
+		_pressed = false;
+
+		_button.x = event.mouse.x;
+		_button.y = event.mouse.y;
+	}
+}
+
+//------------------------------------------------------------------------
+// Purpose: Draw
+//------------------------------------------------------------------------
+void Cursor::draw() {
+	uint8 oldState = _state;
+	_state = (_hover ? 1 : 0) | (_pressed << 1);
+
+	if (_state != oldState) {
+		if (_hover) {
+			if (_pressed)
+				CursorMan.replaceCursor(_imgHoverS._texture->rawSurface(), 0, 0, 0);
+			else
+				CursorMan.replaceCursor(_imgHover._texture->rawSurface(), 0, 0, 0);
+		} else {
+			if (_pressed)
+				CursorMan.replaceCursor(_imgS._texture->rawSurface(), 0, 0, 0);
+			else
+				CursorMan.replaceCursor(_img._texture->rawSurface(), 0, 0, 0);
+		}
+	}
+}
+
+} // End of namespace Crab