616 lines
20 KiB
C++
616 lines
20 KiB
C++
#include "scripting.hpp"
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#include "lua/lua_engine.hpp"
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#include "../../content/Content.hpp"
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#include "../../content/ContentPack.hpp"
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#include "../../debug/Logger.hpp"
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#include "../../engine.hpp"
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#include "../../files/engine_paths.hpp"
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#include "../../files/files.hpp"
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#include "../../frontend/UiDocument.hpp"
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#include "../../items/Inventory.hpp"
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#include "../../items/ItemDef.hpp"
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#include "../../logic/BlocksController.hpp"
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#include "../../logic/LevelController.hpp"
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#include "../../objects/Player.hpp"
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#include "../../objects/EntityDef.hpp"
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#include "../../objects/Entities.hpp"
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#include "../../util/stringutil.hpp"
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#include "../../util/timeutil.hpp"
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#include "../../util/timeutil.hpp"
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#include "../../voxels/Block.hpp"
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#include "../../world/Level.hpp"
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#include <iostream>
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#include <stdexcept>
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using namespace scripting;
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static debug::Logger logger("scripting");
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static inline const std::string STDCOMP = "stdcomp";
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Engine* scripting::engine = nullptr;
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Level* scripting::level = nullptr;
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const Content* scripting::content = nullptr;
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const ContentIndices* scripting::indices = nullptr;
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BlocksController* scripting::blocks = nullptr;
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LevelController* scripting::controller = nullptr;
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static void load_script(const fs::path& name, bool throwable) {
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auto paths = scripting::engine->getPaths();
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fs::path file = paths->getResources()/fs::path("scripts")/name;
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std::string src = files::read_string(file);
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auto L = lua::get_main_thread();
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lua::loadbuffer(L, 0, src, file.u8string());
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if (throwable) {
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lua::call(L, 0, 0);
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} else {
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lua::call_nothrow(L, 0, 0);
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}
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}
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void scripting::initialize(Engine* engine) {
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scripting::engine = engine;
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lua::initialize();
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load_script(fs::path("stdlib.lua"), true);
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load_script(fs::path("stdcmd.lua"), true);
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load_script(fs::path("classes.lua"), true);
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}
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[[nodiscard]]
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scriptenv scripting::get_root_environment() {
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return std::make_shared<int>(0);
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}
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[[nodiscard]]
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scriptenv scripting::create_pack_environment(const ContentPack& pack) {
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auto L = lua::get_main_thread();
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int id = lua::create_environment(L, 0);
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lua::pushenv(L, id);
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lua::pushvalue(L, -1);
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lua::setfield(L, "PACK_ENV");
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lua::pushstring(L, pack.id);
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lua::setfield(L, "PACK_ID");
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lua::pop(L);
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return std::shared_ptr<int>(new int(id), [=](int* id) {
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lua::removeEnvironment(L, *id);
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delete id;
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});
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}
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[[nodiscard]]
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scriptenv scripting::create_doc_environment(const scriptenv& parent, const std::string& name) {
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auto L = lua::get_main_thread();
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int id = lua::create_environment(L, *parent);
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lua::pushenv(L, id);
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lua::pushvalue(L, -1);
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lua::setfield(L, "DOC_ENV");
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lua::pushstring(L, name);
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lua::setfield(L, "DOC_NAME");
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if (lua::getglobal(L, "Document")) {
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if (lua::getfield(L, "new")) {
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lua::pushstring(L, name);
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if (lua::call_nothrow(L, 1)) {
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lua::setfield(L, "document", -3);
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}
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}
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lua::pop(L);
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}
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lua::pop(L);
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return std::shared_ptr<int>(new int(id), [=](int* id) {
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lua::removeEnvironment(L, *id);
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delete id;
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});
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}
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[[nodiscard]]
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static scriptenv create_component_environment(const scriptenv& parent,
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int entityIdx,
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const std::string& name) {
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auto L = lua::get_main_thread();
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int id = lua::create_environment(L, *parent);
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lua::pushvalue(L, entityIdx);
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lua::pushenv(L, id);
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lua::pushvalue(L, -1);
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lua::setfield(L, "this");
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lua::pushvalue(L, -2);
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lua::setfield(L, "entity");
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lua::pop(L);
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if (lua::getfield(L, "components")) {
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lua::pushenv(L, id);
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lua::setfield(L, name);
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lua::pop(L);
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}
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lua::pop(L);
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return std::shared_ptr<int>(new int(id), [=](int* id) {
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lua::removeEnvironment(L, *id);
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delete id;
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});
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}
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void scripting::process_post_runnables() {
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auto L = lua::get_main_thread();
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if (lua::getglobal(L, "__process_post_runnables")) {
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lua::call_nothrow(L, 0);
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}
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}
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void scripting::on_world_load(LevelController* controller) {
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scripting::level = controller->getLevel();
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scripting::content = level->content;
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scripting::indices = level->content->getIndices();
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scripting::blocks = controller->getBlocksController();
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scripting::controller = controller;
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load_script("world.lua", false);
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auto L = lua::get_main_thread();
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for (auto& pack : scripting::engine->getContentPacks()) {
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lua::emit_event(L, pack.id + ".worldopen");
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}
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}
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void scripting::on_world_tick() {
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auto L = lua::get_main_thread();
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for (auto& pack : scripting::engine->getContentPacks()) {
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lua::emit_event(L, pack.id + ".worldtick");
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}
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}
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void scripting::on_world_save() {
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auto L = lua::get_main_thread();
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for (auto& pack : scripting::engine->getContentPacks()) {
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lua::emit_event(L, pack.id + ".worldsave");
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}
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}
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void scripting::on_world_quit() {
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auto L = lua::get_main_thread();
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for (auto& pack : scripting::engine->getContentPacks()) {
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lua::emit_event(L, pack.id + ".worldquit");
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}
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lua::getglobal(L, "pack");
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for (auto& pack : scripting::engine->getContentPacks()) {
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lua::getfield(L, "unload");
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lua::pushstring(L, pack.id);
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lua::call_nothrow(L, 1);
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}
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lua::pop(L);
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if (lua::getglobal(L, "__scripts_cleanup")) {
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lua::call_nothrow(L, 0);
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}
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scripting::level = nullptr;
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scripting::content = nullptr;
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scripting::indices = nullptr;
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scripting::blocks = nullptr;
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scripting::controller = nullptr;
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}
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void scripting::on_blocks_tick(const Block* block, int tps) {
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std::string name = block->name + ".blockstick";
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lua::emit_event(lua::get_main_thread(), name, [tps] (auto L) {
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return lua::pushinteger(L, tps);
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});
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}
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void scripting::update_block(const Block* block, int x, int y, int z) {
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std::string name = block->name + ".update";
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lua::emit_event(lua::get_main_thread(), name, [x, y, z] (auto L) {
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return lua::pushivec3_stack(L, x, y, z);
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});
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}
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void scripting::random_update_block(const Block* block, int x, int y, int z) {
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std::string name = block->name + ".randupdate";
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lua::emit_event(lua::get_main_thread(), name, [x, y, z] (auto L) {
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return lua::pushivec3_stack(L, x, y, z);
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});
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}
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void scripting::on_block_placed(Player* player, const Block* block, int x, int y, int z) {
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std::string name = block->name + ".placed";
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lua::emit_event(lua::get_main_thread(), name, [x, y, z, player] (auto L) {
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lua::pushivec3_stack(L, x, y, z);
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lua::pushinteger(L, player ? player->getId() : -1);
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return 4;
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});
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auto world_event_args = [block, x, y, z, player] (lua::State* L) {
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lua::pushinteger(L, block->rt.id);
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lua::pushivec3_stack(L, x, y, z);
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lua::pushinteger(L, player ? player->getId() : -1);
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return 5;
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};
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for (auto& [packid, pack] : content->getPacks()) {
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if (pack->worldfuncsset.onblockplaced) {
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lua::emit_event(lua::get_main_thread(), packid + ".blockplaced", world_event_args);
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}
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}
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}
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void scripting::on_block_broken(Player* player, const Block* block, int x, int y, int z) {
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std::string name = block->name + ".broken";
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if (block->rt.funcsset.onbroken) {
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lua::emit_event(lua::get_main_thread(), name, [x, y, z, player] (auto L) {
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lua::pushivec3_stack(L, x, y, z);
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lua::pushinteger(L, player ? player->getId() : -1);
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return 4;
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});
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}
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auto world_event_args = [block, x, y, z, player] (lua::State* L) {
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lua::pushinteger(L, block->rt.id);
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lua::pushivec3_stack(L, x, y, z);
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lua::pushinteger(L, player ? player->getId() : -1);
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return 5;
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};
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for (auto& [packid, pack] : content->getPacks()) {
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if (pack->worldfuncsset.onblockbroken) {
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lua::emit_event(lua::get_main_thread(), packid + ".blockbroken", world_event_args);
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}
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}
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}
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bool scripting::on_block_interact(Player* player, const Block* block, glm::ivec3 pos) {
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std::string name = block->name + ".interact";
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return lua::emit_event(lua::get_main_thread(), name, [pos, player] (auto L) {
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lua::pushivec3_stack(L, pos.x, pos.y, pos.z);
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lua::pushinteger(L, player->getId());
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return 4;
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});
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}
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bool scripting::on_item_use(Player* player, const ItemDef* item) {
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std::string name = item->name + ".use";
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return lua::emit_event(lua::get_main_thread(), name, [player] (lua::State* L) {
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return lua::pushinteger(L, player->getId());
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});
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}
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bool scripting::on_item_use_on_block(Player* player, const ItemDef* item, glm::ivec3 ipos, glm::ivec3 normal) {
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std::string name = item->name + ".useon";
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return lua::emit_event(lua::get_main_thread(), name, [ipos, normal, player] (auto L) {
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lua::pushivec3_stack(L, ipos.x, ipos.y, ipos.z);
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lua::pushinteger(L, player->getId());
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lua::pushivec(L, normal);
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return 5;
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});
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}
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bool scripting::on_item_break_block(Player* player, const ItemDef* item, int x, int y, int z) {
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std::string name = item->name + ".blockbreakby";
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return lua::emit_event(lua::get_main_thread(), name, [x, y, z, player] (auto L) {
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lua::pushivec3_stack(L, x, y, z);
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lua::pushinteger(L, player->getId());
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return 4;
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});
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}
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dynamic::Value scripting::get_component_value(const scriptenv& env, const std::string& name) {
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auto L = lua::get_main_thread();
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lua::pushenv(L, *env);
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if (lua::getfield(L, name)) {
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return lua::tovalue(L, -1);
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}
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return dynamic::NONE;
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}
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void scripting::on_entity_spawn(
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const EntityDef&,
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entityid_t eid,
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const std::vector<std::unique_ptr<UserComponent>>& components,
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dynamic::Map_sptr args,
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dynamic::Map_sptr saved
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) {
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auto L = lua::get_main_thread();
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lua::requireglobal(L, STDCOMP);
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if (lua::getfield(L, "new_Entity")) {
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lua::pushinteger(L, eid);
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lua::call(L, 1);
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}
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if (components.size() > 1) {
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for (size_t i = 0; i < components.size()-1; i++) {
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lua::pushvalue(L, -1);
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}
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}
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for (auto& component : components) {
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auto compenv = create_component_environment(get_root_environment(), -1,
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component->name);
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lua::get_from(L, lua::CHUNKS_TABLE, component->name, true);
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lua::pushenv(L, *compenv);
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if (args != nullptr) {
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std::string compfieldname = component->name;
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util::replaceAll(compfieldname, ":", "__");
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if (auto datamap = args->map(compfieldname)) {
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lua::pushvalue(L, datamap);
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} else {
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lua::createtable(L, 0, 0);
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}
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} else {
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lua::createtable(L, 0, 0);
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}
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lua::setfield(L, "ARGS");
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if (saved == nullptr) {
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lua::createtable(L, 0, 0);
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} else {
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if (auto datamap = saved->map(component->name)) {
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lua::pushvalue(L, datamap);
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} else {
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lua::createtable(L, 0, 0);
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}
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}
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lua::setfield(L, "SAVED_DATA");
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lua::setfenv(L);
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lua::call_nothrow(L, 0, 0);
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lua::pushenv(L, *compenv);
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auto& funcsset = component->funcsset;
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funcsset.on_grounded = lua::hasfield(L, "on_grounded");
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funcsset.on_fall = lua::hasfield(L, "on_fall");
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funcsset.on_despawn = lua::hasfield(L, "on_despawn");
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funcsset.on_sensor_enter = lua::hasfield(L, "on_sensor_enter");
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funcsset.on_sensor_exit = lua::hasfield(L, "on_sensor_exit");
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funcsset.on_save = lua::hasfield(L, "on_save");
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funcsset.on_aim_on = lua::hasfield(L, "on_aim_on");
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funcsset.on_aim_off = lua::hasfield(L, "on_aim_off");
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funcsset.on_attacked = lua::hasfield(L, "on_attacked");
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funcsset.on_used = lua::hasfield(L, "on_used");
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lua::pop(L, 2);
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component->env = compenv;
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}
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}
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static void process_entity_callback(
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const scriptenv& env,
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const std::string& name,
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std::function<int(lua::State*)> args
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) {
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auto L = lua::get_main_thread();
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lua::pushenv(L, *env);
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if (lua::getfield(L, name)) {
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if (args) {
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lua::call_nothrow(L, args(L), 0);
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} else {
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lua::call_nothrow(L, 0, 0);
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}
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}
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lua::pop(L);
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}
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static void process_entity_callback(
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const Entity& entity,
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const std::string& name,
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bool entity_funcs_set::*flag,
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std::function<int(lua::State*)> args
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) {
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const auto& script = entity.getScripting();
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for (auto& component : script.components) {
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if (component->funcsset.*flag) {
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process_entity_callback(component->env, name, args);
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}
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}
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}
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void scripting::on_entity_despawn(const Entity& entity) {
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process_entity_callback(entity, "on_despawn", &entity_funcs_set::on_despawn, nullptr);
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auto L = lua::get_main_thread();
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lua::get_from(L, "stdcomp", "remove_Entity", true);
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lua::pushinteger(L, entity.getUID());
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lua::call(L, 1, 0);
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}
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void scripting::on_entity_grounded(const Entity& entity, float force) {
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process_entity_callback(entity, "on_grounded", &entity_funcs_set::on_grounded, [force](auto L){
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return lua::pushnumber(L, force);
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});
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}
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void scripting::on_entity_fall(const Entity& entity) {
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process_entity_callback(entity, "on_fall", &entity_funcs_set::on_fall, nullptr);
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}
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void scripting::on_entity_save(const Entity& entity) {
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process_entity_callback(entity, "on_save", &entity_funcs_set::on_save, nullptr);
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}
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void scripting::on_sensor_enter(const Entity& entity, size_t index, entityid_t oid) {
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process_entity_callback(entity, "on_sensor_enter",
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&entity_funcs_set::on_sensor_enter, [index, oid](auto L) {
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lua::pushinteger(L, index);
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lua::pushinteger(L, oid);
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return 2;
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});
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}
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void scripting::on_sensor_exit(const Entity& entity, size_t index, entityid_t oid) {
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process_entity_callback(entity, "on_sensor_exit",
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&entity_funcs_set::on_sensor_exit, [index, oid](auto L) {
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lua::pushinteger(L, index);
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lua::pushinteger(L, oid);
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return 2;
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});
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}
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void scripting::on_aim_on(const Entity& entity, Player* player) {
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process_entity_callback(entity, "on_aim_on",
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&entity_funcs_set::on_aim_on, [player](auto L) {
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return lua::pushinteger(L, player->getId());
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});
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}
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void scripting::on_aim_off(const Entity& entity, Player* player) {
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process_entity_callback(entity, "on_aim_off",
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&entity_funcs_set::on_aim_off, [player](auto L) {
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return lua::pushinteger(L, player->getId());
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});
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}
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void scripting::on_attacked(const Entity& entity, Player* player, entityid_t attacker) {
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process_entity_callback(entity, "on_attacked",
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&entity_funcs_set::on_attacked, [player, attacker](auto L) {
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lua::pushinteger(L, attacker);
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lua::pushinteger(L, player->getId());
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return 2;
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});
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}
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void scripting::on_entity_used(const Entity& entity, Player* player) {
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process_entity_callback(entity, "on_used",
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&entity_funcs_set::on_used, [player](auto L) {
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return lua::pushinteger(L, player->getId());
|
|
});
|
|
}
|
|
|
|
void scripting::on_entities_update(int tps, int parts, int part) {
|
|
auto L = lua::get_main_thread();
|
|
lua::get_from(L, STDCOMP, "update", true);
|
|
lua::pushinteger(L, tps);
|
|
lua::pushinteger(L, parts);
|
|
lua::pushinteger(L, part);
|
|
lua::call_nothrow(L, 3, 0);
|
|
lua::pop(L);
|
|
}
|
|
|
|
void scripting::on_entities_render(float delta) {
|
|
auto L = lua::get_main_thread();
|
|
lua::get_from(L, STDCOMP, "render", true);
|
|
lua::pushnumber(L, delta);
|
|
lua::call_nothrow(L, 1, 0);
|
|
lua::pop(L);
|
|
}
|
|
|
|
void scripting::on_ui_open(
|
|
UiDocument* layout,
|
|
std::vector<dynamic::Value> args
|
|
) {
|
|
auto argsptr = std::make_shared<std::vector<dynamic::Value>>(std::move(args));
|
|
std::string name = layout->getId() + ".open";
|
|
lua::emit_event(lua::get_main_thread(), name, [=] (auto L) {
|
|
for (const auto& value : *argsptr) {
|
|
lua::pushvalue(L, value);
|
|
}
|
|
return argsptr->size();
|
|
});
|
|
}
|
|
|
|
void scripting::on_ui_progress(UiDocument* layout, int workDone, int workTotal) {
|
|
std::string name = layout->getId() + ".progress";
|
|
lua::emit_event(lua::get_main_thread(), name, [=] (auto L) {
|
|
lua::pushinteger(L, workDone);
|
|
lua::pushinteger(L, workTotal);
|
|
return 2;
|
|
});
|
|
}
|
|
|
|
void scripting::on_ui_close(UiDocument* layout, Inventory* inventory) {
|
|
std::string name = layout->getId() + ".close";
|
|
lua::emit_event(lua::get_main_thread(), name, [inventory] (auto L) {
|
|
return lua::pushinteger(L, inventory ? inventory->getId() : 0);
|
|
});
|
|
}
|
|
|
|
bool scripting::register_event(int env, const std::string& name, const std::string& id) {
|
|
auto L = lua::get_main_thread();
|
|
if (lua::pushenv(L, env) == 0) {
|
|
lua::pushglobals(L);
|
|
}
|
|
if (lua::getfield(L, name)) {
|
|
lua::pop(L);
|
|
lua::getglobal(L, "events");
|
|
lua::getfield(L, "on");
|
|
lua::pushstring(L, id);
|
|
lua::getfield(L, name, -4);
|
|
lua::call_nothrow(L, 2);
|
|
lua::pop(L);
|
|
|
|
// remove previous name
|
|
lua::pushnil(L);
|
|
lua::setfield(L, name);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
int scripting::get_values_on_stack() {
|
|
return lua::gettop(lua::get_main_thread());
|
|
}
|
|
|
|
static void load_script(int env, const std::string& type, const fs::path& file) {
|
|
std::string src = files::read_string(file);
|
|
logger.info() << "script (" << type << ") " << file.u8string();
|
|
lua::execute(lua::get_main_thread(), env, src, file.u8string());
|
|
}
|
|
|
|
void scripting::load_block_script(const scriptenv& senv, const std::string& prefix, const fs::path& file, block_funcs_set& funcsset) {
|
|
int env = *senv;
|
|
load_script(env, "block", file);
|
|
funcsset.init = register_event(env, "init", prefix+".init");
|
|
funcsset.update = register_event(env, "on_update", prefix+".update");
|
|
funcsset.randupdate = register_event(env, "on_random_update", prefix+".randupdate");
|
|
funcsset.onbroken = register_event(env, "on_broken", prefix+".broken");
|
|
funcsset.onplaced = register_event(env, "on_placed", prefix+".placed");
|
|
funcsset.oninteract = register_event(env, "on_interact", prefix+".interact");
|
|
funcsset.onblockstick = register_event(env, "on_blocks_tick", prefix+".blockstick");
|
|
}
|
|
|
|
void scripting::load_item_script(const scriptenv& senv, const std::string& prefix, const fs::path& file, item_funcs_set& funcsset) {
|
|
int env = *senv;
|
|
load_script(env, "item", file);
|
|
funcsset.init = register_event(env, "init", prefix+".init");
|
|
funcsset.on_use = register_event(env, "on_use", prefix+".use");
|
|
funcsset.on_use_on_block = register_event(env, "on_use_on_block", prefix+".useon");
|
|
funcsset.on_block_break_by = register_event(env, "on_block_break_by", prefix+".blockbreakby");
|
|
}
|
|
|
|
void scripting::load_entity_component(const std::string& name, const fs::path& file) {
|
|
auto L = lua::get_main_thread();
|
|
std::string src = files::read_string(file);
|
|
logger.info() << "script (component) " << file.u8string();
|
|
lua::loadbuffer(L, 0, src, "C!"+name);
|
|
lua::store_in(L, lua::CHUNKS_TABLE, name);
|
|
}
|
|
|
|
void scripting::load_world_script(const scriptenv& senv,
|
|
const std::string& prefix,
|
|
const fs::path& file,
|
|
world_funcs_set& funcsset) {
|
|
int env = *senv;
|
|
load_script(env, "world", file);
|
|
register_event(env, "init", prefix+".init");
|
|
register_event(env, "on_world_open", prefix+".worldopen");
|
|
register_event(env, "on_world_tick", prefix+".worldtick");
|
|
register_event(env, "on_world_save", prefix+".worldsave");
|
|
register_event(env, "on_world_quit", prefix+".worldquit");
|
|
funcsset.onblockplaced = register_event(env, "on_block_placed", prefix+".blockplaced");
|
|
funcsset.onblockbroken = register_event(env, "on_block_broken", prefix+".blockbroken");
|
|
}
|
|
|
|
void scripting::load_layout_script(const scriptenv& senv, const std::string& prefix, const fs::path& file, uidocscript& script) {
|
|
int env = *senv;
|
|
load_script(env, "layout", file);
|
|
script.onopen = register_event(env, "on_open", prefix+".open");
|
|
script.onprogress = register_event(env, "on_progress", prefix+".progress");
|
|
script.onclose = register_event(env, "on_close", prefix+".close");
|
|
}
|
|
|
|
void scripting::close() {
|
|
lua::finalize();
|
|
content = nullptr;
|
|
indices = nullptr;
|
|
level = nullptr;
|
|
}
|