Catcrafts/Crafter.Asset
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F16 tex

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This commit is contained in:
Jorijn van der Graaf 2026-04-01 07:30:26 +02:00
commit 95ad5625a9
2 changed files with 60 additions and 15 deletions
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26
implementations/main.cpp
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@ -24,13 +24,31 @@ using namespace Crafter;
namespace fs = std::filesystem;
int main(int argc, char** argv) {
if (argc != 3) {
std::cout << "Usage: crafter-asset <input_file> <output_file>\n";
if (argc != 3 && argc != 2) { // Allow the possibility of just one argument (input file)
std::cout << "Usage: crafter-asset <input_file> [output_file]\n";
return 1;
}
fs::path inputPath = argv[1];
fs::path outputPath = argv[2];
fs::path outputPath;
// Check if output path is provided; if not, use input path with a modified extension
if (argc == 3) {
outputPath = argv[2];
} else {
// Determine extension type for output
std::string extension = inputPath.extension().string();
if (extension == ".obj") {
outputPath = inputPath;
outputPath.replace_extension(".mesh");
} else if (extension == ".png") {
outputPath = inputPath;
outputPath.replace_extension(".tex");
} else {
std::cerr << "Unsupported file type: " << extension << "\n";
return 1;
}
}
if (!fs::exists(inputPath)) {
std::cerr << "Error: Input file does not exist.\n";
@ -47,7 +65,7 @@ int main(int argc, char** argv) {
}
else if (extension == ".png") {
// Load PNG as TextureAsset
auto texture = TextureAsset<Vector<std::uint8_t, 4, 0>>::LoadPNG(inputPath);
auto texture = TextureAsset<Vector<_Float16, 4, 0>>::LoadPNG(inputPath);
texture.Save(outputPath);
}
else {

49
interfaces/Crafter.Asset-Texture.cppm
View file

@ -62,7 +62,7 @@ export namespace Crafter {
return tex;
}
static TextureAsset<T> LoadPNG(fs::path path) requires (std::same_as<T, Vector<std::uint8_t, 4, 0>>) {
static TextureAsset<T> LoadPNG(fs::path path) {
TextureAsset<T> tex;
std::filesystem::path abs = std::filesystem::absolute(path);
@ -77,23 +77,50 @@ export namespace Crafter {
tex.pixels.resize(tex.sizeX*tex.sizeY);
std::memcpy(tex.pixels.data(), data, tex.sizeX * tex.sizeY * 4);
tex.opaque = OpaqueType::FullyOpaque;
for(std::uint32_t i = 0; i < tex.sizeX* tex.sizeY; i++) {
if(tex.pixels[i].a != 255) {
tex.opaque = OpaqueType::SemiOpaque;
for(std::uint32_t i2 = i; i2 < tex.sizeX* tex.sizeY; i2++) {
if(tex.pixels[i].a != 0 && tex.pixels[i].a != 255) {
tex.opaque = OpaqueType::Transparent;
return tex;
if constexpr(std::same_as<T, _Float16> || std::same_as<T, float> || std::same_as<T, double>) {
for(std::uint32_t i = 0; i < sizeX*sizeY; i++) {
tex.pixels[i].r = (((T)data[i*4])/255);
tex.pixels[i].g = (((T)data[i*4+1])/255);
tex.pixels[i].b = (((T)data[i*4+2])/255);
tex.pixels[i].a = (((T)data[i*4+3])/255);
}
for(std::uint32_t i = 0; i < tex.sizeX* tex.sizeY; i++) {
if(tex.pixels[i].a != 1) {
tex.opaque = OpaqueType::SemiOpaque;
for(std::uint32_t i2 = i; i2 < tex.sizeX* tex.sizeY; i2++) {
if(tex.pixels[i2].a != 0 && tex.pixels[i2].a != 1) {
tex.opaque = OpaqueType::Transparent;
stbi_image_free(data);
return tex;
}
}
stbi_image_free(data);
return tex;
}
}
} else {
std::memcpy(tex.pixels.data(), data, tex.sizeX * tex.sizeY * 4);
for(std::uint32_t i = 0; i < tex.sizeX* tex.sizeY; i++) {
if(tex.pixels[i].a != 255) {
tex.opaque = OpaqueType::SemiOpaque;
for(std::uint32_t i2 = i; i2 < tex.sizeX* tex.sizeY; i2++) {
if(tex.pixels[i2].a != 0 && tex.pixels[i2].a != 255) {
tex.opaque = OpaqueType::Transparent;
stbi_image_free(data);
return tex;
}
}
stbi_image_free(data);
return tex;
}
return tex;
}
}
stbi_image_free(data);
return tex;
}
};