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/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* 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 "engines/stark/visual/image.h"
#include "graphics/surface.h"
#include "engines/stark/debug.h"
#include "engines/stark/formats/xmg.h"
#include "engines/stark/gfx/driver.h"
#include "engines/stark/gfx/surfacerenderer.h"
#include "engines/stark/gfx/texture.h"
#include "engines/stark/scene.h"
#include "engines/stark/services/services.h"
namespace Stark {
VisualImageXMG::VisualImageXMG(Gfx::Driver *gfx) :
Visual(TYPE),
_gfx(gfx),
_texture(nullptr),
_surface(nullptr) {
_surfaceRenderer = _gfx->createSurfaceRenderer();
}
VisualImageXMG::~VisualImageXMG() {
if (_surface) {
_surface->free();
}
delete _surface;
delete _texture;
delete _surfaceRenderer;
}
void VisualImageXMG::setHotSpot(const Common::Point &hotspot) {
_hotspot = hotspot;
}
void VisualImageXMG::load(Common::ReadStream *stream) {
assert(!_surface && !_texture);
// Decode the XMG
_surface = Formats::XMGDecoder::decode(stream);
_texture = _gfx->createTexture(_surface);
}
void VisualImageXMG::render(const Common::Point &position, bool useOffset) {
Common::Point drawPos = useOffset ? position - _hotspot : position;
_surfaceRenderer->render(_texture, drawPos);
}
void VisualImageXMG::setFadeLevel(float fadeLevel) {
_surfaceRenderer->setFadeLevel(fadeLevel);
}
bool VisualImageXMG::isPointSolid(const Common::Point &point) const {
assert(_surface);
if (_surface->w < 32 || _surface->h < 32) {
return true; // Small images are always solid
}
// Maybe implement this method in some other way to avoid having to keep the surface in memory
const byte *ptr = (const byte *) _surface->getBasePtr(point.x, point.y);
return *(ptr + 3) == 0xFF;
}
int VisualImageXMG::getWidth() const {
assert(_surface);
return _surface->w;
}
int VisualImageXMG::getHeight() const {
assert(_surface);
return _surface->h;
}
} // End of namespace Stark
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