wasm

interfaces/Crafter.Asset-Compression.cppm

@@ -21,6 +21,17 @@ export module Crafter.Asset:Compression;
 import std;
 
 export namespace Crafter::Compression {
+    // Hard-aborts the process after printing `msg`. Used in place of
+    // `throw std::runtime_error(...)` so the module is buildable under
+    // `-fno-exceptions` (wasm targets ship without the C++ unwinding
+    // runtime). Asset-loading errors are unrecoverable in practice — a
+    // bad magic, version mismatch, or stream-size mismatch always means
+    // the build's data is inconsistent with the binary.
+    [[noreturn]] inline void Fatal(std::string_view msg) {
+        std::println(std::cerr, "Crafter.Asset fatal: {}", msg);
+        std::abort();
+    }
+
     // One independently-decompressable GDeflate stream inside CompressedBlob::bytes.
     // Layout matches what VK_EXT_memory_decompression's VkDecompressMemoryRegionEXT
     // expects, minus the device addresses (which the consumer fills in).