Initial work on WebAssembly script provider

src/ScriptResolving/WASM/WebAssemblyBattleScript.cpp

@@ -0,0 +1,40 @@
+#include "WebAssemblyBattleScript.hpp"
+#include "WebAssemblyFunctionCall.hpp"
+#include "WebAssemblyScriptResolver.hpp"
+
+WebAssemblyBattleScript::~WebAssemblyBattleScript() {
+    // Ensure the WebAssembly library can clear up its own junk
+    auto funcOpt = _resolver->GetFunction<1, 0>("destroy_script");
+    if (funcOpt.has_value()) {
+        auto& func = funcOpt.value();
+        func.Loadi32(0, _wasmPtr);
+        func.Call();
+    }
+    // Remove the backwards lookup to this script.
+    _resolver->RemoveRegisteredScript(_wasmPtr);
+}
+
+#define WASM_CALL(capability, script_name, args_count, return_count, parameter_setup)                                  \
+    if (!HasCapability(WebAssemblyScriptCapabilities::capability)) {                                                   \
+        return;                                                                                                        \
+    }                                                                                                                  \
+    auto funcOpt = _resolver->GetFunction<args_count, return_count>(script_name);                                      \
+    if (!funcOpt.has_value()) {                                                                                        \
+        return;                                                                                                        \
+    }                                                                                                                  \
+    auto& func = funcOpt.value();                                                                                       \
+    parameter_setup;                                                                                                   \
+    func.Call();
+
+void WebAssemblyBattleScript::OnInitialize(const CreatureLib::Battling::BattleLibrary* library,
+                                           const ArbUt::List<CreatureLib::Library::EffectParameter*>&) {
+    WASM_CALL(Initialize, "script_on_initialize", 2, 0, {
+        func.Loadi32(0, _wasmPtr);
+        func.LoadExternRef(1, library);
+    });
+}
+
+CreatureLib::Battling::BattleScript* WebAssemblyBattleScript::Clone(const ArbUt::OptionalBorrowedPtr<void>&) {
+    // FIXME: Implement
+    return nullptr;
+}