- Rewrote wasm/bots/rusher/src/lib.rs with complete Rusher strategy: - BFS pathfinding to nearest enemy cores - Wall and enemy avoidance - Known enemy core tracking across turns - Minimal JSON parser for state/config - Custom bump allocator using __heap_base - Updated Cargo.toml for no_std build with alloc crate - Updated build.sh to use cargo directly (sandbox expects low-level exports) - Output: 14KB WASM (much smaller than Go's 5MB due to no runtime) The sandbox loader expects pointer-based WASM interface (allocate, init, compute_moves, free_result) not wasm-bindgen's JavaScript bindings. This implementation uses raw WASM exports compatible with createPointerBasedBridge. Closes: bf-2d50 |
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|---|---|---|
| .. | ||
| gatherer | ||
| guardian | ||
| hunter | ||
| random | ||
| rusher | ||
| swarm | ||
| Makefile | ||
| README.md | ||
WASM Bot Builds
This directory contains the WebAssembly builds for the browser sandbox. Each bot compiles to a separate WASM module with the standard interface.
Bot WASM Interface
Each WASM module exports three functions:
// Initialize the bot with game config
bot.init(configJSON: string): string // {ok: bool, error?: string}
// Compute moves for the current turn
bot.compute_moves(stateJSON: string): string // moves JSON array
// Free result (no-op for Go/AS, required for interface compatibility)
bot.free_result(ptr: number): void
Directory Structure
wasm/bots/
├── gatherer/ # Go → WASM (energy-focused, avoids combat)
├── random/ # Go → WASM (random moves)
├── guardian/ # Go → WASM (defends own cores)
├── hunter/ # Go → WASM (hunts nearest enemy)
├── rusher/ # Rust → WASM (attacks enemy cores)
└── swarm/ # TypeScript/AssemblyScript → WASM (tight formations)
Building
Build all bots:
cd wasm/bots
make all
Build individual bot:
cd wasm/bots/gatherer
./build.sh
Output directory: wasm/dist/
Bot Sizes (estimated)
| Bot | Language | Size |
|---|---|---|
| gatherer | Go → WASM | ~12 MB |
| random | Go → WASM | ~10 MB |
| guardian | Go → WASM | ~12 MB |
| hunter | Go → WASM | ~12 MB |
| rusher | Rust → WASM | ~3 MB |
| swarm | AssemblyScript → WASM | ~5 MB |
Plan Reference
This implements plan §11.1 lines 2566-2576 and plan §13.1 WASM sandbox.