118 lines
3.1 KiB
C++
118 lines
3.1 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include "got/gfx/gfx_pics.h"
|
|
#include "common/file.h"
|
|
#include "got/utils/file.h"
|
|
|
|
namespace Got {
|
|
namespace Gfx {
|
|
|
|
void convertPaneDataToSurface(const byte *src, Graphics::ManagedSurface &surf) {
|
|
surf.setTransparentColor(0);
|
|
|
|
// It's split into 4 panes per 4 pixels, so we need
|
|
// to juggle the pixels into their correct order
|
|
for (int plane = 0; plane < 4; ++plane) {
|
|
for (int y = 0; y < surf.h; ++y) {
|
|
byte *dest = (byte *)surf.getBasePtr(plane, y);
|
|
|
|
for (int x = 0; x < (surf.w / 4); ++x, dest += 4, ++src) {
|
|
// For some reason, both '0' and '15' are both hard-coded
|
|
// as transparent colors in the graphics drawing. Simplify
|
|
// this for ScummVM by changing all 15's to 0
|
|
*dest = (*src == 15) ? 0 : *src;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void GfxPics::clear() {
|
|
delete[] _array;
|
|
_array = nullptr;
|
|
}
|
|
|
|
void GfxPics::resize(uint newSize) {
|
|
assert(!_array); // Don't support multiple resizes
|
|
_array = new Graphics::ManagedSurface[newSize];
|
|
_size = newSize;
|
|
}
|
|
|
|
void GfxPics::load(const Common::String &name, int blockSize) {
|
|
File f(name);
|
|
|
|
// Set up array of images
|
|
clear();
|
|
if (blockSize == -1) {
|
|
// Only a single image
|
|
resize(1);
|
|
blockSize = f.size();
|
|
} else {
|
|
resize(f.size() / blockSize);
|
|
}
|
|
|
|
byte *buff = new byte[blockSize];
|
|
|
|
for (uint idx = 0; idx < size(); ++idx) {
|
|
int w = f.readUint16LE() * 4;
|
|
int h = f.readUint16LE();
|
|
f.skip(2); // Unused transparent color. It's always 15
|
|
f.read(buff, blockSize - 6);
|
|
|
|
Graphics::ManagedSurface &s = (*this)[idx];
|
|
s.create(w, h);
|
|
|
|
convertPaneDataToSurface(buff, s);
|
|
}
|
|
|
|
delete[] buff;
|
|
}
|
|
|
|
GfxPics &GfxPics::operator=(const GfxPics &src) {
|
|
clear();
|
|
resize(src._size);
|
|
|
|
for (size_t i = 0; i < _size; ++i)
|
|
_array[i].copyFrom(src._array[i]);
|
|
|
|
return *this;
|
|
}
|
|
|
|
void BgPics::setArea(int area) {
|
|
_area = area;
|
|
load();
|
|
}
|
|
|
|
void BgPics::load() {
|
|
const Common::String name = Common::String::format("BPICS%d", _area);
|
|
GfxPics::load(name, 262);
|
|
|
|
if (_area == 2) {
|
|
// FIXME: Background tile 0xbe in part 2 is used for the invisible
|
|
// maze in part 2 to get the shovel, but it's not drawing as black.
|
|
// Manually set the transparent color for it so it's properly transparent
|
|
(*this)[0xbe].setTransparentColor(31);
|
|
}
|
|
}
|
|
|
|
} // namespace Gfx
|
|
} // namespace Got
|