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Diffstat (limited to 'engines/gob/aniobject.cpp')
| -rw-r--r-- | engines/gob/aniobject.cpp | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/engines/gob/aniobject.cpp b/engines/gob/aniobject.cpp new file mode 100644 index 0000000000..a01fe43672 --- /dev/null +++ b/engines/gob/aniobject.cpp @@ -0,0 +1,210 @@ +/* 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 "gob/surface.h" +#include "gob/anifile.h" +#include "gob/aniobject.h" + +namespace Gob { + +ANIObject::ANIObject(const ANIFile &ani) : _ani(&ani), + _visible(false), _paused(false), _mode(kModeContinuous), + _x(0), _y(0), _background(0), _drawn(false) { + + setAnimation(0); + setPosition(); +} + +ANIObject::~ANIObject() { + delete _background; +} + +void ANIObject::setVisible(bool visible) { + _visible = visible; +} + +bool ANIObject::isVisible() const { + return _visible; +} + +void ANIObject::setPause(bool pause) { + _paused = pause; +} + +bool ANIObject::isPaused() const { + return _paused; +} + +void ANIObject::setMode(Mode mode) { + _mode = mode; +} + +void ANIObject::setAnimation(uint16 animation) { + _animation = animation; + _frame = 0; +} + +void ANIObject::rewind() { + _frame = 0; +} + +void ANIObject::setPosition() { + if (_animation >= _ani->getAnimationCount()) + return; + + const ANIFile::Animation &animation = _ani->getAnimationInfo(_animation); + + _x = animation.x; + _y = animation.y; +} + +void ANIObject::setPosition(int16 x, int16 y) { + _x = x; + _y = y; +} + +void ANIObject::getPosition(int16 &x, int16 &y) const { + x = _x; + y = _y; +} + +void ANIObject::getFramePosition(int16 &x, int16 &y) const { + if (_animation >= _ani->getAnimationCount()) + return; + + const ANIFile::Animation &animation = _ani->getAnimationInfo(_animation); + if (_frame >= animation.frameCount) + return; + + x = _x + animation.frameAreas[_frame].left; + y = _y + animation.frameAreas[_frame].top; +} + +void ANIObject::getFrameSize(int16 &width, int16 &height) const { + if (_animation >= _ani->getAnimationCount()) + return; + + const ANIFile::Animation &animation = _ani->getAnimationInfo(_animation); + if (_frame >= animation.frameCount) + return; + + width = animation.frameAreas[_frame].right - animation.frameAreas[_frame].left + 1; + height = animation.frameAreas[_frame].bottom - animation.frameAreas[_frame].top + 1; +} + +void ANIObject::draw(Surface &dest, int16 &left, int16 &top, + int16 &right, int16 &bottom) { + + if (!_visible) + return; + + if (!_background) { + uint16 width, height; + + _ani->getMaxSize(width, height); + + _background = new Surface(width, height, dest.getBPP()); + } + + const ANIFile::Animation &animation = _ani->getAnimationInfo(_animation); + if (_frame >= animation.frameCount) + return; + + const ANIFile::FrameArea &area = animation.frameAreas[_frame]; + + _backgroundLeft = CLIP<int16>(area.left + _x, 0, dest.getWidth () - 1); + _backgroundTop = CLIP<int16>(area.top + _y, 0, dest.getHeight() - 1); + _backgroundRight = CLIP<int16>(area.right + _x, 0, dest.getWidth () - 1); + _backgroundBottom = CLIP<int16>(area.bottom + _y, 0, dest.getHeight() - 1); + + _background->blit(dest, _backgroundLeft , _backgroundTop, + _backgroundRight, _backgroundBottom, 0, 0); + + _ani->draw(dest, _animation, _frame, _x, _y); + + _drawn = true; + + left = _backgroundLeft; + top = _backgroundTop; + right = _backgroundRight; + bottom = _backgroundBottom; +} + +void ANIObject::clear(Surface &dest, int16 &left, int16 &top, + int16 &right, int16 &bottom) { + + if (!_drawn) + return; + + const int16 bgRight = _backgroundRight - _backgroundLeft; + const int16 bgBottom = _backgroundBottom - _backgroundTop; + + dest.blit(*_background, 0, 0, bgRight, bgBottom, _backgroundLeft, _backgroundTop); + + _drawn = false; + + left = _backgroundLeft; + top = _backgroundTop; + right = _backgroundRight; + bottom = _backgroundBottom; +} + +void ANIObject::advance() { + if (_paused) + return; + + if (_animation >= _ani->getAnimationCount()) + return; + + const ANIFile::Animation &animation = _ani->getAnimationInfo(_animation); + + _frame = (_frame + 1) % animation.frameCount; + + if (_frame == 0) { + _x += animation.deltaX; + _y += animation.deltaY; + + if (_mode == kModeOnce) { + _paused = true; + _visible = false; + } + } +} + +uint16 ANIObject::getAnimation() const { + return _animation; +} + +uint16 ANIObject::getFrame() const { + return _frame; +} + +bool ANIObject::lastFrame() const { + if (_animation >= _ani->getAnimationCount()) + return true; + + const ANIFile::Animation &animation = _ani->getAnimationInfo(_animation); + + return (_frame + 1) >= animation.frameCount; +} + +} // End of namespace Gob |