diff options
Diffstat (limited to 'extension/src/openvic-extension/Utilities.cpp')
| -rw-r--r-- | extension/src/openvic-extension/Utilities.cpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/extension/src/openvic-extension/Utilities.cpp b/extension/src/openvic-extension/Utilities.cpp index 4ca6855..649550f 100644 --- a/extension/src/openvic-extension/Utilities.cpp +++ b/extension/src/openvic-extension/Utilities.cpp @@ -2,17 +2,55 @@ #include <numbers> +#include <godot_cpp/classes/file_access.hpp> #include <godot_cpp/classes/resource_loader.hpp> #include <godot_cpp/variant/utility_functions.hpp> +#include <gli/convert.hpp> +#include <gli/load_dds.hpp> + using namespace godot; using namespace OpenVic; +static Ref<Image> load_dds_image(String const& path) { + gli::texture2d texture { gli::load_dds(godot_to_std_string(path)) }; + if (texture.empty()) { + UtilityFunctions::push_error("Failed to load DDS file: ", path); + return {}; + } + + static constexpr gli::format expected_format = gli::FORMAT_BGRA8_UNORM_PACK8; + const bool needs_bgr_to_rgb = texture.format() == expected_format; + if (!needs_bgr_to_rgb) { + texture = gli::convert(texture, expected_format); + if (texture.empty()) { + UtilityFunctions::push_error("Failed to convert DDS file: ", path); + return {}; + } + } + + PackedByteArray pixels; + pixels.resize(texture.size()); + memcpy(pixels.ptrw(), texture.data(), pixels.size()); + UtilityFunctions::print("needs_bgr_to_rgb = ", needs_bgr_to_rgb); + if (needs_bgr_to_rgb) { + for (size_t i = 0; i < pixels.size(); i += 4) { + std::swap(pixels[i], pixels[i+2]); + } + } + + const gli::texture2d::extent_type extent { texture.extent() }; + return Image::create_from_data(extent.x, extent.y, false, Image::FORMAT_RGBA8, pixels); +} + Ref<Image> OpenVic::load_godot_image(String const& path) { if (path.begins_with("res://")) { ResourceLoader* loader = ResourceLoader::get_singleton(); return loader ? loader->load(path) : nullptr; } else { + if (path.ends_with(".dds")) { + return load_dds_image(path); + } return Image::load_from_file(path); } } |