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https://github.com/libretro/scummvm.git
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154 lines
3.7 KiB
C++
154 lines
3.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* aint32 with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*
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* Based on the original sources
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* Faery Tale II -- The Halls of the Dead
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* (c) 1993-1996 The Wyrmkeep Entertainment Co.
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*/
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#include "common/savefile.h"
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#include "saga2/saga2.h"
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#include "saga2/rect.h"
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namespace Saga2 {
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void Point16::load(Common::SeekableReadStream *stream) {
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x = stream->readSint16LE();
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y = stream->readSint16LE();
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}
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void Point16::write(Common::OutSaveFile *out) {
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out->writeSint16LE(x);
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out->writeSint16LE(y);
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}
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Rect16 bound(const Rect16 a, const Rect16 b) {
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int16 x1, x2, y1, y2;
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x1 = MIN(a.x, b.x);
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x2 = MAX(a.x + a.width, b.x + b.width) - x1;
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y1 = MIN(a.y, b.y);
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y2 = MAX(a.y + a.height, b.y + b.height) - y1;
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return Rect16(x1, y1, x2, y2);
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}
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void Rect16::expand(int16 dx, int16 dy) {
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x -= dx;
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width += dx + dx;
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y -= dy;
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height += dy + dy;
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}
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void Rect16::expand(int16 left, int16 top, int16 right, int16 bottom) {
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x -= left;
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width += left + right;
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y -= top;
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height += top + bottom;
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}
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Rect16 intersect(const Rect16 a, const Rect16 b) {
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int16 x1, width, y1, height;
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x1 = MAX(a.x, b.x);
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width = MIN(a.x + a.width, b.x + b.width) - x1;
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y1 = MAX(a.y, b.y);
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height = MIN(a.y + a.height, b.y + b.height) - y1;
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// if ( ( width <= 0 ) || ( height <= 0 ) )
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// return Rect16( 0, 0, 0, 0 );
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// else
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return Rect16(x1, y1, width, height);
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}
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void Rect16::normalize(void) {
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if (width < 0) {
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x += width;
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width = -width;
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}
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if (height < 0) {
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y += height;
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height = - height;
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}
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}
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bool Rect16::overlap(const Rect16 &r) const {
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return (r.x < x + width && x < r.x + r.width
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&& r.y < y + height && y < r.y + r.height);
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}
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Rect32 bound(const Rect32 a, const Rect32 b) {
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int32 x1, x2, y1, y2;
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x1 = MIN(a.x, b.x);
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x2 = MAX(a.x + a.width, b.x + b.width) - x1;
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y1 = MIN(a.y, b.y);
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y2 = MAX(a.y + a.height, b.y + b.height) - y1;
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return Rect32(x1, y1, x2, y2);
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}
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void Rect32::expand(int32 dx, int32 dy) {
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x -= dx;
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width += dx + dx;
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y -= dy;
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height += dy + dy;
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}
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void Rect32::expand(int32 left, int32 top, int32 right, int32 bottom) {
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x -= left;
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width += left + right;
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y -= top;
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height += top + bottom;
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}
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Rect32 intersect(const Rect32 a, const Rect32 b) {
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int32 x1, width, y1, height;
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x1 = MAX(a.x, b.x);
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width = MIN(a.x + a.width, b.x + b.width) - x1;
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y1 = MAX(a.y, b.y);
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height = MIN(a.y + a.height, b.y + b.height) - y1;
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// if ( ( width <= 0 ) || ( height <= 0 ) )
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// return Rect32( 0, 0, 0, 0 );
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// else
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return Rect32(x1, y1, width, height);
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}
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void Rect32::normalize(void) {
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if (width < 0) {
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x += width;
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width = -width;
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}
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if (height < 0) {
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y += height;
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height = - height;
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}
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}
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bool Rect32::overlap(const Rect32 &r) const {
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return (r.x < x + width && x < r.x + r.width
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&& r.y < y + height && y < r.y + r.height);
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}
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} // end if namespace Saga2
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