| 30 | { |
| 31 | |
| 32 | static void setupImageInspect(CLI::App& image) |
| 33 | { |
| 34 | auto* cmd = image.add_subcommand("inspect", "Inspect PAA/PAC texture file"); |
| 35 | static std::string inputPath; |
| 36 | cmd->add_option("input", inputPath, "Input PAA/PAC file path")->required()->check(CLI::ExistingFile); |
| 37 | |
| 38 | cmd->callback( |
| 39 | []() |
| 40 | { |
| 41 | auto info = Poseidon::InspectTexture(inputPath); |
| 42 | if (!info.valid) |
| 43 | { |
| 44 | std::cerr << "Error: Failed to read texture: " << inputPath << std::endl; |
| 45 | throw CLI::RuntimeError(1); |
| 46 | } |
| 47 | |
| 48 | std::cout << "File: " << info.path << std::endl; |
| 49 | std::cout << "Type: " << info.typeName << std::endl; |
| 50 | if (info.formatName != "P8") |
| 51 | std::cout << "Format: " << info.formatName << " (0x" << std::hex << info.magic << std::dec << ")" |
| 52 | << std::endl; |
| 53 | else |
| 54 | std::cout << "Format: P8 (palette-based)" << std::endl; |
| 55 | std::cout << "Dimensions: " << info.width << "x" << info.height << std::endl; |
| 56 | std::cout << "Mipmaps: " << info.mipmapCount << std::endl; |
| 57 | if (info.paletteColors > 0) |
| 58 | std::cout << "Palette: " << info.paletteColors << " colors" << std::endl; |
| 59 | if (info.magic == 0xFF01) |
| 60 | std::cout << "Transparency: " |
| 61 | << (info.hasTransparentBlocks ? "yes (1-bit alpha blocks detected)" : "no") << std::endl; |
| 62 | |
| 63 | // Alpha classification (opaque / cutout / blend) — decode the top mip and |
| 64 | // classify its alpha channel via the shared ClassifyAlpha (the same signal a |
| 65 | // section-sort renderer uses): only a "blend" texture (partial-alpha texels) |
| 66 | // must be deferred to the back-to-front pass; opaque and cutout occlude. |
| 67 | Poseidon::DecodedImage img = Poseidon::DecodePAAFile(inputPath); |
| 68 | if (img.valid()) |
| 69 | { |
| 70 | const size_t n = static_cast<size_t>(img.width) * static_cast<size_t>(img.height); |
| 71 | const Poseidon::AlphaStats a = Poseidon::ClassifyAlpha(img.rgba.data(), n); |
| 72 | const char* route = |
| 73 | a.kind == Poseidon::AlphaStats::Blend ? "back-to-front alpha pass, NO depth-write (see-through)" |
| 74 | : a.kind == Poseidon::AlphaStats::Cutout ? "opaque pass, depth-write, discard holes (occludes)" |
| 75 | : "opaque pass, depth-write (occludes)"; |
| 76 | std::cout << std::fixed << std::setprecision(1); |
| 77 | std::cout << "Alpha: min=" << a.aMin << " max=" << a.aMax << " mean=" << a.aMean |
| 78 | << " (clear a=0: " << a.pctClear << "% opaque a=255: " << a.pctOpaque |
| 79 | << "% partial 0<a<255: " << a.pctPartial << "%)" << std::endl; |
| 80 | std::cout << "Classification: " << Poseidon::AlphaKindName(a.kind) << std::endl; |
| 81 | std::cout << " -> route: " << route << std::endl; |
| 82 | } |
| 83 | }); |
| 84 | } |
| 85 | |
| 86 | static void setupImageConvert(CLI::App& image) |
| 87 | { |
no test coverage detected