From 0fa2191b9532c353ab40a82ee3c29e822dc09840 Mon Sep 17 00:00:00 2001
From: Thomas Fach-Pedersen
Date: Fri, 1 May 2015 09:43:04 +0200
Subject: BLADERUNNER: Implement loading and drawing of mouse cursors.

---
 engines/bladerunner/mouse.cpp | 250 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 250 insertions(+)
 create mode 100644 engines/bladerunner/mouse.cpp

(limited to 'engines/bladerunner/mouse.cpp')

diff --git a/engines/bladerunner/mouse.cpp b/engines/bladerunner/mouse.cpp
new file mode 100644
index 0000000000..8a259fd76f
--- /dev/null
+++ b/engines/bladerunner/mouse.cpp
@@ -0,0 +1,250 @@
+/* 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 "bladerunner/mouse.h"
+
+#include "bladerunner/bladerunner.h"
+#include "bladerunner/shape.h"
+
+#include "graphics/surface.h"
+
+namespace BladeRunner {
+
+Mouse::Mouse(BladeRunnerEngine *vm)
+	: _vm(vm)
+{
+	_cursor = 0;
+	_frame = 3;
+	_hotspotX = 0;
+	_hotspotY = 0;
+	_x = 0;
+	_y = 0;
+	_disabledCounter = 0;
+	_lastFrameTime = 0;
+}
+
+Mouse::~Mouse() {
+}
+
+void Mouse::setCursor(int cursor) {
+	assert(cursor >= 0 && cursor <= 16);
+	if (cursor == _cursor) {
+		return;
+	}
+
+	_cursor = cursor;
+
+	switch (_cursor) {
+	case 0:
+		_frame = 3;
+		_hotspotX = 0;
+		_hotspotY = 0;
+		break;
+	case 1:
+		_frame = 4;
+		_hotspotX = 0;
+		_hotspotY = 0;
+		break;
+	case 2:
+		_frame = 12;
+		_hotspotX = 12;
+		_hotspotY = 0;
+		break;
+	case 3:
+		_frame = 15;
+		_hotspotX = 23;
+		_hotspotY = 12;
+		break;
+	case 4:
+		_frame = 13;
+		_hotspotX = 12;
+		_hotspotY = 23;
+		break;
+	case 5:
+		_frame = 14;
+		_hotspotX = 0;
+		_hotspotY = 12;
+		break;
+	case 6:
+		_frame = 16;
+		_hotspotX = 19;
+		_hotspotY = 19;
+		break;
+	case 7:
+		_frame = 17;
+		_hotspotX = 19;
+		_hotspotY = 19;
+		break;
+	case 8:
+		_frame = 25;
+		_hotspotX = 19;
+		_hotspotY = 19;
+		break;
+	case 9:
+		_frame = 26;
+		_hotspotX = 19;
+		_hotspotY = 19;
+		break;
+	case 10:
+		_frame = 34;
+		_hotspotX = 19;
+		_hotspotY = 19;
+		break;
+	case 11:
+		_frame = 35;
+		_hotspotX = 19;
+		_hotspotY = 19;
+		break;
+	case 12:
+		_frame = 12;
+		_hotspotX = 12;
+		_hotspotY = 0;
+		_animCounter = 0;
+		break;
+	case 13:
+		_frame = 15;
+		_hotspotX = 23;
+		_hotspotY = 12;
+		_animCounter = 0;
+		break;
+	case 14:
+		_frame = 13;
+		_hotspotX = 12;
+		_hotspotY = 23;
+		_animCounter = 0;
+		break;
+	case 15:
+		_frame = 14;
+		_hotspotX = 0;
+		_hotspotY = 12;
+		_animCounter = 0;
+		break;
+	case 16:
+		_frame = 0;
+		_hotspotX = 11;
+		_hotspotY = 11;
+	}
+}
+
+void Mouse::disable() {
+	++_disabledCounter;
+}
+
+void Mouse::enable() {
+	if (--_disabledCounter <= 0) {
+		_disabledCounter = 0;
+	}
+}
+
+bool Mouse::isDisabled() {
+	return _disabledCounter > 0;
+}
+
+void Mouse::draw(Graphics::Surface &surface, int x, int y) {
+	if (_disabledCounter) {
+		return;
+	}
+
+	_x = CLIP(x, 0, surface.w - 1);
+	_y = CLIP(y, 0, surface.h - 1);
+
+
+	if (_cursor < 0 || (uint)_cursor >= _vm->_shapes.size()) {
+		return;
+	}
+
+	Shape *cursorShape = _vm->_shapes[_frame];
+
+	cursorShape->draw(surface, _x - _hotspotX, _y - _hotspotY);
+
+	updateCursorFrame();
+}
+
+void Mouse::updateCursorFrame() {
+	uint32 now = _vm->getTotalPlayTime();
+	const int offset[4] = { 0, 6, 12, 6 };
+
+	if (now - _lastFrameTime < 66) {
+		return;
+	}
+	_lastFrameTime = now;
+
+	switch (_cursor) {
+	case 0:
+		break;
+	case 1:
+		if (++_frame > 11)
+			_frame = 4;
+		break;
+	case 2:
+	case 3:
+	case 4:
+	case 5:
+	case 6:
+		break;
+	case 7:
+		if (++_frame > 24)
+			_frame = 17;
+		break;
+	case 8:
+		break;
+	case 9:
+		if (++_frame > 33)
+			_frame = 26;
+		break;
+	case 10:
+		break;
+	case 11:
+		if (++_frame > 42)
+			_frame = 35;
+		break;
+	case 12:
+		if (++_animCounter >= 4) {
+			_animCounter = 0;
+		}
+		_hotspotY = -offset[_animCounter];
+		break;
+	case 13:
+		if (++_animCounter >= 4) {
+			_animCounter = 0;
+		}
+		_hotspotX = 23 + offset[_animCounter];
+		break;
+	case 14:
+		if (++_animCounter >= 4) {
+			_animCounter = 0;
+		}
+		_hotspotY = 23 + offset[_animCounter];
+		break;
+	case 15:
+		if (++_animCounter >= 4) {
+			_animCounter = 0;
+		}
+		_hotspotX = -offset[_animCounter];
+		break;
+	case 16:
+		if (++_frame > 2)
+			_frame = 0;
+	}
+}
+
+} // End of namespace BladeRunner
-- 
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