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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.
*
*/
#include "bladerunner/shape.h"
#include "bladerunner/bladerunner.h"
#include "common/debug.h"
#include "common/ptr.h"
#include "common/util.h"
#include "graphics/surface.h"
namespace BladeRunner {
bool Shape::load(Common::SeekableReadStream *stream) {
_width = stream->readUint32LE();
_height = stream->readUint32LE();
uint32 size = stream->readUint32LE();
if (size != (uint32)(_width * _height * 2)) {
warning("Shape::load size mismatch (w %d, h %d, sz %d)", _width, _height, size);
return false;
}
// Enfoce a reasonable size limit
if (_width >= 2048 || _height >= 2048) {
warning("Shape::load shape too big (%d, %d)", _width, _height);
}
_data = new byte[size];
if (stream->read(_data, size) != size) {
warning("Shape::load error reading shape (w %d, h %d, sz %d)", _width, _height, size);
return false;
}
return true;
}
Shape::~Shape() {
delete[] _data;
}
void Shape::draw(Graphics::Surface &surface, int x, int y) const {
int src_x = CLIP(-x, 0, _width);
int src_y = CLIP(-y, 0, _height);
int dst_x = CLIP<int>(x, 0, surface.w);
int dst_y = CLIP<int>(y, 0, surface.h);
int rect_w = MIN(CLIP(_width + x, 0, _width), surface.w - x);
int rect_h = MIN(CLIP(_height + y, 0, _height), surface.h - y);
if (rect_w == 0 || rect_h == 0) {
return;
}
const uint8 *src_p = _data + 2 * (src_y * _width + src_x);
for (int yi = 0; yi != rect_h; ++yi) {
for (int xi = 0; xi != rect_w; ++xi) {
uint16 shpColor = READ_LE_UINT16(src_p);
src_p += 2;
uint8 a, r, g, b;
getGameDataColor(shpColor, a, r, g, b);
if (!a) {
// Ignore the alpha in the output as it is inversed in the input
void *dstPtr = surface.getBasePtr(CLIP(dst_x + xi, 0, surface.w - 1), CLIP(dst_y + yi, 0, surface.h - 1));
drawPixel(surface, dstPtr, surface.format.RGBToColor(r, g, b));
}
}
src_p += 2 * (_width - rect_w);
}
}
Shapes::Shapes(BladeRunnerEngine *vm) {
_vm = vm;
}
Shapes::~Shapes() {
unload();
}
bool Shapes::load(const Common::String &container) {
unload();
Common::ScopedPtr<Common::SeekableReadStream> stream(_vm->getResourceStream(container));
if (!stream) {
warning("Shape::open failed to open '%s'", container.c_str());
return false;
}
uint32 count = stream->readUint32LE();
_shapes.resize(count);
for (uint32 i = 0; i < count; ++i) {
if (!_shapes[i].load(stream.get())) {
return false;
}
}
return true;
}
void Shapes::unload() {
_shapes.clear();
}
} // End of namespace BladeRunner
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