mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-16 22:58:09 +00:00
134 lines
3.3 KiB
C++
134 lines
3.3 KiB
C++
/* 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
|