#include "WorldSave.hpp"
#include "filesystem.hpp"
+#include "TokenStreamReader.hpp"
+#include "../app/error.hpp"
#include <cctype>
+#include <cstring>
#include <fstream>
#include <iostream>
#include <limits>
#include <stdexcept>
#include <zlib.h>
+#include <glm/gtx/io.hpp>
using namespace std;
WorldSave::WorldSave(const string &path)
: root_path(path)
-, conf_path(path + "world.conf")
+, world_conf_path(path + "world.conf")
+, gen_conf_path(path + "gen.conf")
+, player_path(path + "player/")
, chunk_path(path + "chunks/%d/%d/%d.gz")
, chunk_bufsiz(chunk_path.length() + 3 * std::numeric_limits<int>::digits10)
, chunk_buf(new char[chunk_bufsiz]) {
bool WorldSave::Exists() const noexcept {
- return is_dir(root_path) && is_file(conf_path);
+ return is_dir(root_path) && is_file(world_conf_path);
}
void WorldSave::Read(World::Config &conf) const {
- cout << "reading world save" << endl;
-
- ifstream in(conf_path);
- if (!in) {
+ ifstream is(world_conf_path);
+ if (!is) {
throw runtime_error("failed to open world config");
}
+ TokenStreamReader in(is);
+
+ string name;
+ while (in.HasMore()) {
+ in.ReadIdentifier(name);
+ in.Skip(Token::EQUALS);
+ if (name == "spawn") {
+ in.ReadVec(conf.spawn);
+ }
+ if (in.HasMore() && in.Peek().type == Token::SEMICOLON) {
+ in.Skip(Token::SEMICOLON);
+ }
+ }
+
+ if (is.bad()) {
+ throw runtime_error("IO error reading world config");
+ }
+}
- constexpr char spaces[] = "\n\r\t ";
+void WorldSave::Write(const World::Config &conf) const {
+ if (!make_dirs(root_path)) {
+ throw runtime_error("failed to create world save directory");
+ }
- string line;
- while (getline(in, line)) {
- if (line.empty() || line[0] == '#') continue;
- auto equals_pos = line.find_first_of('=');
+ ofstream out(world_conf_path);
+ out << "spawn = " << conf.spawn << ';' << endl;
+ out.close();
- auto name_begin = line.find_first_not_of(spaces, 0, sizeof(spaces));
- auto name_end = equals_pos - 1;
- while (name_end > name_begin && isspace(line[name_end])) {
- --name_end;
- }
+ if (!out) {
+ throw runtime_error("failed to write world config");
+ }
+}
- auto value_begin = line.find_first_not_of(spaces, equals_pos + 1, sizeof(spaces));
- auto value_end = line.length() - 1;
- while (value_end > value_begin && isspace(line[value_end])) {
- --value_end;
- }
- string name(line, name_begin, name_end - name_begin + 1);
- string value(line, value_begin, value_end - value_begin + 1);
+void WorldSave::Read(Generator::Config &conf) const {
+ ifstream is(gen_conf_path);
+ if (!is) {
+ throw runtime_error("failed to open generator config");
+ }
+ TokenStreamReader in(is);
+ string name;
+ while (in.HasMore()) {
+ in.ReadIdentifier(name);
+ in.Skip(Token::EQUALS);
if (name == "seed") {
- conf.gen.seed = stoul(value);
- } else {
- throw runtime_error("unknown world option: " + name);
+ in.ReadNumber(conf.seed);
+ }
+ if (in.HasMore() && in.Peek().type == Token::SEMICOLON) {
+ in.Skip(Token::SEMICOLON);
}
}
- if (in.bad()) {
- throw runtime_error("IO error reading world config");
+
+ if (is.bad()) {
+ throw runtime_error("IO error reading generator config");
}
}
-void WorldSave::Write(const World::Config &conf) const {
- cout << "writing world save" << endl;
-
+void WorldSave::Write(const Generator::Config &conf) const {
if (!make_dirs(root_path)) {
throw runtime_error("failed to create world save directory");
}
- ofstream out(conf_path);
- out << "seed = " << conf.gen.seed << endl;
+ ofstream out(gen_conf_path);
+ out << "seed = " << conf.seed << ';' << endl;
out.close();
if (!out) {
- throw runtime_error("failed to write world config");
+ throw runtime_error("failed to write generator config");
}
}
-bool WorldSave::Exists(const Chunk::Pos &pos) const noexcept {
+bool WorldSave::Exists(const Player &player) const {
+ return is_file(PlayerPath(player));
+}
+
+void WorldSave::Read(Player &player) const {
+ ifstream is(PlayerPath(player));
+ TokenStreamReader in(is);
+ string name;
+ EntityState state;
+ while (in.HasMore()) {
+ in.ReadIdentifier(name);
+ in.Skip(Token::EQUALS);
+ if (name == "chunk") {
+ in.ReadVec(state.pos.chunk);
+ } else if (name == "position") {
+ in.ReadVec(state.pos.block);
+ } else if (name == "orientation") {
+ in.ReadQuat(state.orient);
+ } else if (name == "pitch") {
+ state.pitch = in.GetFloat();
+ } else if (name == "yaw") {
+ state.yaw = in.GetFloat();
+ } else if (name == "slot") {
+ int slot;
+ in.ReadNumber(slot);
+ player.SetInventorySlot(slot);
+ }
+ if (in.HasMore() && in.Peek().type == Token::SEMICOLON) {
+ in.Skip(Token::SEMICOLON);
+ }
+ }
+ player.GetEntity().SetState(state);
+ player.Update(0);
+}
+
+void WorldSave::Write(const Player &player) const {
+ if (!make_dirs(player_path)) {
+ throw runtime_error("failed to create player save directory");
+ }
+ const EntityState &state = player.GetEntity().GetState();
+ ofstream out(PlayerPath(player));
+ out << "chunk = " << state.pos.chunk << ';' << endl;
+ out << "position = " << state.pos.block << ';' << endl;
+ out << "orientation = " << state.orient << ';' << endl;
+ out << "pitch = " << state.pitch << ';' << endl;
+ out << "yaw = " << state.yaw << ';' << endl;
+ out << "slot = " << player.GetInventorySlot() << ';' << endl;
+}
+
+string WorldSave::PlayerPath(const Player &player) const {
+ // TODO: this is potentially dangerous, server and client should
+ // provide a sanitized name for storage
+ return player_path + player.Name();
+}
+
+
+bool WorldSave::Exists(const ExactLocation::Coarse &pos) const noexcept {
return is_file(ChunkPath(pos));
}
if (gzclose(file) != Z_OK) {
throw runtime_error("failed to read chunk file");
}
- chunk.InvalidateModel();
+ chunk.ScanActive();
+ chunk.InvalidateMesh();
chunk.ClearSave();
}
// check if it's because of a missing path component
if (errno != ENOENT) {
// nope, fatal
- throw runtime_error(strerror(errno));
+ throw SysError();
}
string dir_path(path);
dir_path.erase(dir_path.find_last_of("\\/"));
}
-const char *WorldSave::ChunkPath(const Chunk::Pos &pos) const {
+const char *WorldSave::ChunkPath(const ExactLocation::Coarse &pos) const {
snprintf(chunk_buf.get(), chunk_bufsiz, chunk_path.c_str(), pos.x, pos.y, pos.z);
return chunk_buf.get();
}