sp<ImageSet> PCKLoader::loadStrat(Data &data, UString PckFilename, UString TabFilename)
{
auto imageSet = mksp<ImageSet>();
auto tabFile = data.fs.open(TabFilename);
if (!tabFile)
{
LogWarning("Failed to open tab \"%s\"", TabFilename);
return nullptr;
}
auto pckFile = data.fs.open(PckFilename);
if (!pckFile)
{
LogWarning("Failed to open tab \"%s\"", TabFilename);
return nullptr;
}
uint32_t offset = 0;
unsigned idx = 0;
while (tabFile.read(reinterpret_cast<char *>(&offset), sizeof(offset)))
{
pckFile.seekg(offset, std::ios::beg);
if (!pckFile)
{
LogError("Failed to seek to offset %u", offset);
return nullptr;
}
auto img = loadStrategy(pckFile);
if (!img)
{
LogError("Failed to load image");
return nullptr;
}
if (img->size != Vec2<unsigned int>{8, 8})
{
LogError("Invalid size of {%d,%d} in stratmap image", img->size.x, img->size.y);
return nullptr;
}
imageSet->images.push_back(img);
img->owningSet = imageSet;
img->calculateBounds();
img->indexInSet = idx++;
}
imageSet->maxSize = {8, 8};
LogInfo("Loaded %u images", static_cast<unsigned>(imageSet->images.size()));
return imageSet;
}
Canvas::Canvas(int width, int height) :
width(width), height(height)
{
float w = static_cast<float>(width);
float h = static_cast<float>(height);
// world coordinates
vertices[0].x = 0; vertices[0].y = 0;
vertices[1].x = 0; vertices[1].y = h;
vertices[2].x = w; vertices[2].y = h;
vertices[3].x = w; vertices[3].y = 0;
// texture coordinates
vertices[0].s = 0; vertices[0].t = 1;
vertices[1].s = 0; vertices[1].t = 0;
vertices[2].s = 1; vertices[2].t = 0;
vertices[3].s = 1; vertices[3].t = 1;
loadStrategy();
loadVolatile();
}
bool Canvas::isSupported()
{
loadStrategy();
return (strategy != &strategyNone);
}
