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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 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.
*
* $URL$
* $Id$
*/
#include "teenagent/surface.h"
#include "teenagent/surface_list.h"
namespace TeenAgent {
SurfaceList::SurfaceList() : surfaces(NULL) {}
void SurfaceList::load(Common::SeekableReadStream *stream, Type type, int sub_hack) {
free();
byte fn = stream->readByte();
if (stream->eos())
return;
surfaces_n = fn - sub_hack;
debug(0, "loading %u surfaces from list (skip %d)", surfaces_n, sub_hack);
if (surfaces_n == 0)
return;
surfaces = new Surface[surfaces_n];
byte i;
for (i = 0; i < surfaces_n; ++i) {
uint offset = stream->readUint16LE();
uint pos = stream->pos();
stream->seek(offset);
surfaces[i].load(stream, Surface::kTypeOns);
stream->seek(pos);
}
//for(; i < fn; ++i)
// debug(0, "*hack* skipping flag %04x", stream->readUint16LE());
}
void SurfaceList::free() {
delete[] surfaces;
surfaces = NULL;
surfaces_n = 0;
}
Common::Rect SurfaceList::render(Graphics::Surface *surface, int horizon, bool second_pass) const {
Common::Rect dirty;
for(uint i = 0; i < surfaces_n; ++i) {
const Surface &s = surfaces[i];
if (second_pass) {
debug(0, "%d %d", s.y + s.h, horizon);
if (s.y + s.h > horizon)
dirty.extend(s.render(surface));
} else {
if (s.y + s.h <= horizon)
dirty.extend(s.render(surface));
}
}
return dirty;
}
}
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