PkmnLib/src/ScriptResolving/WASM/WebAssemblyBattleScript.cpp

#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*>& parameters) {
    WASM_CALL(Initialize, "script_on_initialize", 3, 0, {
        func.Loadi32(0, _wasmPtr);
        func.LoadExternRef(1, library);
        func.LoadExternRef(2, &parameters);
    });
}

CreatureLib::Battling::BattleScript* WebAssemblyBattleScript::Clone(const ArbUt::OptionalBorrowedPtr<void>&) {
    // FIXME: Implement
    return nullptr;
}