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engines/wintermute/base/base_active_rect.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/>.
+ *
+ */
+
+/*
+ * This file is based on WME Lite.
+ * http://dead-code.org/redir.php?target=wmelite
+ * Copyright (c) 2011 Jan Nedoma
+ */
+
+#include "engines/wintermute/base/base_active_rect.h"
+#include "engines/wintermute/base/base_game.h"
+#include "engines/wintermute/base/base_engine.h"
+#include "engines/wintermute/base/base_region.h"
+#include "engines/wintermute/base/gfx/base_renderer.h"
+#include "engines/wintermute/platform_osystem.h"
+
+namespace Wintermute {
+
+//////////////////////////////////////////////////////////////////////
+BaseActiveRect::BaseActiveRect(BaseGame *inGame) : BaseClass(inGame) {
+	BasePlatform::setRectEmpty(&_rect);
+	_owner = nullptr;
+	_frame = nullptr;
+#ifdef ENABLE_WME3D
+	_xmodel = nullptr;
+#endif
+	_region = nullptr;
+	_zoomX = 100;
+	_zoomY = 100;
+	_offsetX = _offsetY = 0;
+	clipRect();
+}
+
+
+//////////////////////////////////////////////////////////////////////
+BaseActiveRect::BaseActiveRect(BaseGame *inGame, BaseObject *owner, BaseSubFrame *frame, int x, int y, int width, int height, float zoomX, float zoomY, bool precise) : BaseClass(inGame) {
+	_owner = owner;
+	_frame = frame;
+	BasePlatform::setRect(&_rect, x, y, x + width, y + height);
+	_zoomX = zoomX;
+	_zoomY = zoomY;
+	_precise = precise;
+#ifdef ENABLE_WME3D
+	_xmodel = nullptr;
+#endif
+	_region = nullptr;
+	_offsetX = _offsetY = 0;
+	clipRect();
+}
+
+//////////////////////////////////////////////////////////////////////
+#ifdef ENABLE_WME3D
+BaseActiveRect::BaseActiveRect(BaseGame *inGame, BaseObject *owner, XModel *model, int x, int y, int width, int height, bool precise) : BaseClass(inGame) {
+	_owner = owner;
+	_xmodel = model;
+	BasePlatform::setRect(&_rect, x, y, x + width, y + height);
+	_zoomX = 100;
+	_zoomY = 100;
+	_precise = precise;
+	_frame = nullptr;
+	_region = nullptr;
+	_offsetX = _offsetY = 0;
+	clipRect();
+}
+#endif
+
+//////////////////////////////////////////////////////////////////////
+BaseActiveRect::BaseActiveRect(BaseGame *inGame, BaseObject *owner, BaseRegion *region, int offsetX, int offsetY) : BaseClass(inGame) {
+	_owner = owner;
+	_region = region;
+	BasePlatform::copyRect(&_rect, &region->_rect);
+	BasePlatform::offsetRect(&_rect, -offsetX, -offsetY);
+	_zoomX = 100;
+	_zoomY = 100;
+	_precise = true;
+	_frame = nullptr;
+#ifdef ENABLE_WME3D
+	_xmodel = nullptr;
+#endif
+	clipRect();
+	_offsetX = offsetX;
+	_offsetY = offsetY;
+}
+
+//////////////////////////////////////////////////////////////////////
+BaseActiveRect::~BaseActiveRect() {
+	_owner = nullptr;
+	_frame = nullptr;
+#ifdef ENABLE_WME3D
+	_xmodel = nullptr;
+#endif
+	_region = nullptr;
+}
+
+
+//////////////////////////////////////////////////////////////////////////
+void BaseActiveRect::clipRect() {
+	Common::Rect32 rc;
+	bool customViewport;
+	_game->getCurrentViewportRect(&rc, &customViewport);
+	BaseRenderer *rend = _game->_renderer;
+
+	if (!customViewport) {
+		rc.left -= rend->_drawOffsetX;
+		rc.right -= rend->_drawOffsetX;
+		rc.top -= rend->_drawOffsetY;
+		rc.bottom -= rend->_drawOffsetY;
+	}
+
+	if (rc.left > _rect.left) {
+		_offsetX = rc.left - _rect.left;
+	}
+	if (rc.top > _rect.top) {
+		_offsetY = rc.top - _rect.top;
+	}
+
+	BasePlatform::intersectRect(&_rect, &_rect, &rc);
+}
+
+} // End of namespace Wintermute