ILLUSIONS: Add Screen class and ajust code to use it

1 files changed, 98 insertions, 0 deletions

diff --git a/engines/illusions/screen.cpp b/engines/illusions/screen.cpp
new file mode 100644
index 0000000000..1b33b0c856
--- /dev/null
+++ b/engines/illusions/screen.cpp
@@ -0,0 +1,98 @@
+/* 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 "illusions/illusions.h"
+#include "illusions/screen.h"
+#include "illusions/graphics.h"
+#include "illusions/spritedrawqueue.h"
+#include "illusions/spritedecompressqueue.h"
+
+namespace Illusions {
+
+// Screen
+
+Screen::Screen(IllusionsEngine *vm)
+	: _vm(vm) {
+	_displayOn = true;
+	_backSurface = allocSurface(640, 480);
+	_decompressQueue = new SpriteDecompressQueue();
+	_drawQueue = new SpriteDrawQueue(this);
+}
+
+Screen::~Screen() {
+	delete _drawQueue;
+	delete _decompressQueue;
+	_backSurface->free();
+	delete _backSurface;
+}
+
+Graphics::Surface *Screen::allocSurface(int16 width, int16 height) {
+	// TODO Use screen pixel format?
+	Graphics::PixelFormat pixelFormat16(2, 5, 6, 5, 0, 11, 5, 0, 0);
+	Graphics::Surface *surface = new Graphics::Surface();
+	surface->create(width, height, pixelFormat16);
+	return surface; 
+}
+
+Graphics::Surface *Screen::allocSurface(SurfInfo &surfInfo) {
+	return allocSurface(surfInfo._dimensions._width, surfInfo._dimensions._height);
+}
+
+bool Screen::isDisplayOn() {
+	return _displayOn;
+}
+
+uint16 Screen::getColorKey2() {
+	return _colorKey2;
+}
+
+Graphics::Surface *Screen::getBackSurface() {
+	// TODO Move this outside into a screen class
+	return 0;
+}
+
+void Screen::updateSprites() {
+	_decompressQueue->decompressAll();
+	// NOTE Skipped doShiftBrightness and related as it seems to be unused
+	_drawQueue->drawAll();
+	if (!_displayOn) // TODO Check if a video is playing then don't do it
+		_backSurface->fillRect(Common::Rect(_backSurface->w, _backSurface->h), 0);
+	g_system->copyRectToScreen((byte*)_backSurface->getBasePtr(0, 0), _backSurface->pitch, 0, 0, _backSurface->w, _backSurface->h);
+}
+
+void Screen::drawSurface10(int16 destX, int16 destY, Graphics::Surface *surface, Common::Rect &srcRect, uint16 colorKey) {
+	// TODO
+}
+
+void Screen::drawSurface11(int16 destX, int16 destY, Graphics::Surface *surface, Common::Rect &srcRect) {
+	// TODO
+}
+
+void Screen::drawSurface20(Common::Rect &dstRect, Graphics::Surface *surface, Common::Rect &srcRect, uint16 colorKey) {
+	// TODO
+}
+
+void Screen::drawSurface21(Common::Rect &dstRect, Graphics::Surface *surface, Common::Rect &srcRect) {
+	// TODO
+}
+
+} // End of namespace Illusions