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libeuropa/structs/yatf: Tweak structs a bit

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Lily Tsuru 2025-01-19 13:48:21 -05:00
parent 322de73c64
commit 035f6a040f
2 changed files with 18 additions and 8 deletions
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22
include/europa/structs/Yatf.hpp
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@ -11,7 +11,6 @@
#include <europa/structs/ImHexAdapter.hpp>
#include <europa/util/FourCC.hpp>
#include <type_traits>
namespace europa::structs {
@ -33,13 +32,20 @@ namespace europa::structs {
kTextureFormatV2_4Bpp = 5
};
// For some reason Jedi Starfighter YATFs use a different fourcc. ???
constexpr static auto ValidMagicSF = util::FourCC<"YATF", std::endian::big>();
constexpr static auto ValidMagicJSF = util::FourCC<"YATF", std::endian::little>();
enum class Version : u16 {
Invalid = 0xffff,
Version1 = 1,
Version2 = 2,
};
// For some reason Jedi Starfighter (V2) YATFs use a different fourcc endianness than V1.
// When writing we should use the appropiate one.
constexpr static auto ValidMagic_V1 = util::FourCC<"YATF", std::endian::big>();
constexpr static auto ValidMagic_V2 = util::FourCC<"YATF", std::endian::little>();
u32 magic;
u16 version; // 0x1 for starfighter, 0x2 for new jsf files
Version version;
TextureFormat format;
@ -52,7 +58,11 @@ namespace europa::structs {
u32 width;
[[nodiscard]] constexpr bool IsValid() const {
return magic == ValidMagicSF || magic == ValidMagicJSF;
if(auto magicValid = magic == ValidMagic_V1 || magic == ValidMagic_V2; !magicValid)
return false;
// Make sure version is sensical
return version == Version::Version1 || version == Version::Version2;
}
};

4
src/libeuropa/io/yatf/Reader.cpp
View file

@ -122,11 +122,11 @@ namespace europa::io::yatf {
};
switch(header.version) {
case 1:
case structs::YatfHeader::Version::Version1:
v1();
break;
case 2:
case structs::YatfHeader::Version::Version2:
v2();
break;