Port the entire .dir archive I/O layer — GfxDir vtable (read, seek,
load_cached, release), GfxDirStream vtable (all 6 slots), LoadImage,
cache slot management, and cleanup — eliminating all WA.exe asm bridges.
- Move gfx_dir module from render/sprite/ to new asset/ module
- Type cache slots as GfxCacheSlot struct, rename _unknown fields
- Convert GfxDirStreamVtable to #[vtable] macro with bind_! wrappers
- Replace call_gfx_load_dir/call_gfx_load_image bridges with direct calls
- Add WA_FSEEK address, GFX_DIR_STREAM_VTABLE address
- Fix GfxDirStream.gfx_dir field type from *mut u8 to *mut GfxDir
- Rename GfxDirEntry._unknown_08 to data_size
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
refactor: migrate all render queue commands to typed RenderMessage enum
Replace legacy DrawXxxCmd structs with RenderMessage variants for all
10 Rust-produced command types. Variable-length commands (LineStrip,
Polygon) use alloc_aux() for vertex data with explicit pointers in the
enum, avoiding layout coupling. Remove legacy structs and command_type
constants module.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
refactor: propagate types and trim comments in render hook shims
Replace u32 params with Fixed, SpriteOp, and typed pointers across
render_queue.rs and display_vtable.rs. Propagate to core callees
(blit_sprite, bungee_trail, crosshair_line). Trim comments to just
Ghidra name + address.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
refactor: split render.rs, move game logic to core, type command structs
