89 lines
2.1 KiB
C++
89 lines
2.1 KiB
C++
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#include "wrenpp/vm_fun.hpp"
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#include "wrenpp/def_configuration.hpp"
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#include <iostream>
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#include <string>
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#include <fstream>
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#include <random>
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#include <chrono>
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#include <thread>
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namespace {
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struct CustomData {
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CustomData (std::random_device::result_type r) :
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generator(r),
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distrib(1, 6)
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{
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}
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std::mt19937 generator;
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std::uniform_int_distribution<int> distrib;
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};
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void user_input(wren::VM& vm) {
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std::string retval;
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std::cin >> retval;
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set(vm, 0, retval);
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}
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void random_num(wren::VM& vm) {
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auto* const cust_data = vm.user_data<CustomData>();
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set(vm, 0, cust_data->distrib(cust_data->generator));
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}
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class MyConfig : public wren::DefConfiguration {
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public:
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wren::foreign_method_t foreign_method_fn (
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wren::VM* vm,
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const char* module_ptr,
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const char* class_name_ptr,
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bool is_static,
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const char* signature_ptr
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) {
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std::string_view module(module_ptr);
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std::string_view class_name(class_name_ptr);
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std::string_view signature(signature_ptr);
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//std::cout << "requested: \"" << module << "\" \"" <<
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// class_name << "\" \"" << signature << "\" static: " <<
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// std::boolalpha << is_static << '\n';
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if ("main" == module) {
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if ("Game" == class_name) {
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if ("user_input()" == signature and is_static)
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return &user_input;
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else if ("random()" == signature and is_static)
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return &random_num;
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}
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}
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return nullptr;
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}
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//char* load_module_fn (wren::VM* vm, const char* name) {
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// std::cout << "asked to load module \"" << name << "\"\n";
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// return nullptr;
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//}
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};
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std::string load_file (const std::string& path) {
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std::ifstream ifs(path);
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ifs >> std::noskipws;
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return std::string(
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std::istreambuf_iterator<char>(ifs),
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std::istreambuf_iterator<char>()
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);
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}
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} //unnamed namespace
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int main() {
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std::random_device rand_dev;
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CustomData custom_data(rand_dev());
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MyConfig config;
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wren::VM vm(&config, &custom_data);
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interpret(vm, "main", load_file("main.wren"));
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wren::call<void>(vm, {"main", "the_game"}, "play_game");
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std::this_thread::sleep_for(std::chrono::milliseconds(1000));
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return 0;
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}
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