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Lua API: Add __dir metamethod to wesnoth.scenario

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Celtic Minstrel 2024-09-11 22:34:04 -04:00 committed by Celtic Minstrel
parent dd5dbf96c8
commit facf4eefda
3 changed files with 208 additions and 102 deletions
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286
src/scripting/game_lua_kernel.cpp
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@ -1547,6 +1547,178 @@ static int impl_mp_settings_len(lua_State* L)
return 1;
}
struct scenario_tag {
game_lua_kernel& ref;
scenario_tag(game_lua_kernel& k) : ref(k) {}
auto& tod_man() const { return ref.tod_man(); }
auto& gamedata() const { return ref.gamedata(); }
auto& pc() const { return ref.play_controller_; }
auto& cls() const { return ref.play_controller_.get_classification(); }
auto end_level_set() const { return &dispatch<&game_lua_kernel::impl_end_level_data_set>; }
};
#define SCENARIO_GETTER(name, type) LATTR_GETTER(name, type, scenario_tag, k)
#define SCENARIO_SETTER(name, type) LATTR_SETTER(name, type, scenario_tag, k)
luaW_Registry scenarioReg{"scenario"};
template<> struct lua_object_traits<scenario_tag> {
inline static auto metatable = "scenario";
inline static scenario_tag get(lua_State* L, int) {
return lua_kernel_base::get_lua_kernel<game_lua_kernel>(L);
}
};
SCENARIO_GETTER("turns", int) {
return k.tod_man().number_of_turns();
}
SCENARIO_SETTER("turns", int) {
k.tod_man().set_number_of_turns_by_wml(value);
}
SCENARIO_GETTER("next", std::string) {
return k.gamedata().next_scenario();
}
SCENARIO_SETTER("next", std::string) {
k.gamedata().set_next_scenario(value);
}
SCENARIO_GETTER("id", std::string) {
return k.gamedata().get_id();
}
SCENARIO_GETTER("name", t_string) {
return k.pc().get_scenario_name();
}
SCENARIO_GETTER("defeat_music", std::vector<std::string>) {
return k.gamedata().get_defeat_music();
}
SCENARIO_SETTER("defeat_music", std::vector<std::string>) {
k.gamedata().set_defeat_music(value);
}
SCENARIO_GETTER("victory_music", std::vector<std::string>) {
return k.gamedata().get_victory_music();
}
SCENARIO_SETTER("victory_music", std::vector<std::string>) {
k.gamedata().set_victory_music(value);
}
SCENARIO_GETTER("resources", std::vector<config>) {
std::vector<config> resources;
for(const std::string& rsrc : utils::split(k.pc().get_loaded_resources())) {
resources.push_back(find_addon("resource", rsrc));
}
return resources;
}
SCENARIO_GETTER("type", std::string) {
return campaign_type::get_string(k.cls().type);
}
SCENARIO_GETTER("difficulty", std::string) {
return k.cls().difficulty;
}
SCENARIO_GETTER("show_credits", bool) {
return k.cls().end_credits;
}
SCENARIO_SETTER("show_credits", bool) {
k.cls().end_credits = value;
}
SCENARIO_GETTER("end_text", t_string) {
return k.cls().end_text;
}
SCENARIO_SETTER("end_text", t_string) {
k.cls().end_text = value;
}
SCENARIO_GETTER("end_text_duration", int) {
return k.cls().end_text_duration;
}
SCENARIO_SETTER("end_text_duration", int) {
k.cls().end_text_duration = value;
}
SCENARIO_GETTER("campaign", utils::optional<config>) {
if(k.cls().campaign.empty()) return utils::nullopt;
return find_addon("campaign", k.cls().campaign);
}
SCENARIO_GETTER("modifications", std::vector<config>) {
std::vector<config> mods;
for(const std::string& mod : k.cls().active_mods) {
mods.push_back(find_addon("modification", mod));
}
return mods;
}
SCENARIO_GETTER("end_level_data", lua_index_raw) {
if (!k.pc().is_regular_game_end()) {
lua_pushnil(L);
return lua_index_raw(L);
}
auto data = k.pc().get_end_level_data();
new(L) end_level_data(data);
if(luaL_newmetatable(L, "end level data")) {
static luaL_Reg const callbacks[] {
{ "__index", &impl_end_level_data_get},
{ "__newindex", k.end_level_set()},
{ "__gc", &impl_end_level_data_collect},
{ nullptr, nullptr }
};
luaL_setfuncs(L, callbacks, 0);
}
lua_setmetatable(L, -2);
return lua_index_raw(L);
}
SCENARIO_SETTER("end_level_data", vconfig) {
end_level_data data;
data.proceed_to_next_level = value["proceed_to_next_level"].to_bool(true);
data.transient.carryover_report = value["carryover_report"].to_bool(true);
data.prescenario_save = value["save"].to_bool(true);
data.replay_save = value["replay_save"].to_bool(true);
data.transient.linger_mode = value["linger_mode"].to_bool(true) && !k.ref.teams().empty();
data.transient.reveal_map = value["reveal_map"].to_bool(k.pc().reveal_map_default());
data.is_victory = value["result"] == level_result::victory;
data.test_result = value["test_result"].str();
k.pc().set_end_level_data(data);
}
SCENARIO_GETTER("mp_settings", lua_index_raw) {
if(!k.cls().is_multiplayer()) {
lua_pushnil(L);
return lua_index_raw(L);
}
lua_newuserdatauv(L, 0, 0);
if(luaL_newmetatable(L, "mp settings")) {
lua_pushlightuserdata(L, &k.pc());
lua_pushcclosure(L, impl_mp_settings_get, 1);
lua_setfield(L, -2, "__index");
lua_pushlightuserdata(L, &k.pc());
lua_pushcclosure(L, impl_mp_settings_len, 1);
lua_setfield(L, -2, "__len");
lua_pushstring(L, "mp settings");
lua_setfield(L, -2, "__metatable");
}
lua_setmetatable(L, -2);
return lua_index_raw(L);
}
SCENARIO_GETTER("era", utils::optional<config>) {
if(!k.cls().is_multiplayer()) return utils::nullopt;
return find_addon("era", k.cls().era_id);
}
/**
* Gets some scenario data (__index metamethod).
* - Arg 1: userdata (ignored).
@ -1556,80 +1728,7 @@ static int impl_mp_settings_len(lua_State* L)
int game_lua_kernel::impl_scenario_get(lua_State *L)
{
DBG_LUA << "impl_scenario_get";
char const *m = luaL_checkstring(L, 2);
// Find the corresponding attribute.
return_int_attrib("turns", tod_man().number_of_turns());
return_string_attrib("next", gamedata().next_scenario());
return_string_attrib("id", gamedata().get_id());
return_tstring_attrib("name", play_controller_.get_scenario_name());
return_vector_string_attrib("defeat_music", gamedata().get_defeat_music());
return_vector_string_attrib("victory_music", gamedata().get_victory_music());
if(strcmp(m, "resources") == 0) {
std::vector<config> resources;
for(const std::string& rsrc : utils::split(play_controller_.get_loaded_resources())) {
resources.push_back(find_addon("resource", rsrc));
}
lua_push(L, resources);
return 1;
}
const game_classification& classification = play_controller_.get_classification();
return_string_attrib("type", campaign_type::get_string(classification.type));
return_string_attrib("difficulty", classification.difficulty);
return_bool_attrib("show_credits", classification.end_credits);
return_tstring_attrib("end_text", classification.end_text);
return_int_attrib("end_text_duration", classification.end_text_duration);
if(!classification.campaign.empty()) {
return_cfgref_attrib("campaign", find_addon("campaign", classification.campaign));
}
if(strcmp(m, "modifications") == 0) {
std::vector<config> mods;
for(const std::string& mod : classification.active_mods) {
mods.push_back(find_addon("modification", mod));
}
lua_push(L, mods);
return 1;
}
if(strcmp(m, "end_level_data") == 0) {
if (!play_controller_.is_regular_game_end()) {
return 0;
}
auto data = play_controller_.get_end_level_data();
new(L) end_level_data(data);
if(luaL_newmetatable(L, "end level data")) {
static luaL_Reg const callbacks[] {
{ "__index", &impl_end_level_data_get},
{ "__newindex", &dispatch<&game_lua_kernel::impl_end_level_data_set>},
{ "__gc", &impl_end_level_data_collect},
{ nullptr, nullptr }
};
luaL_setfuncs(L, callbacks, 0);
}
lua_setmetatable(L, -2);
return 1;
}
if(classification.is_multiplayer()) {
if(strcmp(m, "mp_settings") == 0) {
lua_newuserdatauv(L, 0, 0);
if(luaL_newmetatable(L, "mp settings")) {
lua_pushlightuserdata(L, &play_controller_);
lua_pushcclosure(L, impl_mp_settings_get, 1);
lua_setfield(L, -2, "__index");
lua_pushlightuserdata(L, &play_controller_);
lua_pushcclosure(L, impl_mp_settings_len, 1);
lua_setfield(L, -2, "__len");
lua_pushstring(L, "mp settings");
lua_setfield(L, -2, "__metatable");
}
lua_setmetatable(L, -2);
return 1;
}
return_cfgref_attrib("era", find_addon("era", classification.era_id));
}
return 0;
return scenarioReg.get(L);
}
/**
@ -1641,35 +1740,16 @@ int game_lua_kernel::impl_scenario_get(lua_State *L)
int game_lua_kernel::impl_scenario_set(lua_State *L)
{
DBG_LUA << "impl_scenario_set";
char const *m = luaL_checkstring(L, 2);
return scenarioReg.set(L);
}
// Find the corresponding attribute.
modify_int_attrib("turns", tod_man().set_number_of_turns_by_wml(value));
modify_string_attrib("next", gamedata().set_next_scenario(value));
modify_vector_string_attrib("defeat_music", gamedata().set_defeat_music(std::move(value)));
modify_vector_string_attrib("victory_music", gamedata().set_victory_music(std::move(value)));
game_classification& classification = play_controller_.get_classification();
modify_bool_attrib("show_credits", classification.end_credits = value);
modify_tstring_attrib("end_text", classification.end_text = value);
modify_int_attrib("end_text_duration", classification.end_text_duration = value);
if(strcmp(m, "end_level_data") == 0) {
vconfig cfg(luaW_checkvconfig(L, 3));
end_level_data data;
data.proceed_to_next_level = cfg["proceed_to_next_level"].to_bool(true);
data.transient.carryover_report = cfg["carryover_report"].to_bool(true);
data.prescenario_save = cfg["save"].to_bool(true);
data.replay_save = cfg["replay_save"].to_bool(true);
data.transient.linger_mode = cfg["linger_mode"].to_bool(true) && !teams().empty();
data.transient.reveal_map = cfg["reveal_map"].to_bool(play_controller_.reveal_map_default());
data.is_victory = cfg["result"] == level_result::victory;
data.test_result = cfg["test_result"].str();
play_controller_.set_end_level_data(data);
return 1;
}
return 0;
/**
* Get a list of scenario data (__dir metamethod).
*/
int game_lua_kernel::impl_scenario_dir(lua_State *L)
{
DBG_LUA << "impl_scenario_dir";
return scenarioReg.dir(L);
}
/**
@ -5444,6 +5524,8 @@ game_lua_kernel::game_lua_kernel(game_state & gs, play_controller & pc, reports
lua_setfield(L, -2, "__index");
lua_pushcfunction(L, &dispatch<&game_lua_kernel::impl_scenario_set>);
lua_setfield(L, -2, "__newindex");
lua_pushcfunction(L, &dispatch<&game_lua_kernel::impl_scenario_dir>);
lua_setfield(L, -2, "__dir");
lua_setmetatable(L, -2);
lua_setfield(L, -2, "scenario");
lua_pop(L, 1);

2
src/scripting/game_lua_kernel.hpp
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@ -69,6 +69,7 @@ class game_lua_kernel : public lua_kernel_base
friend class game_config_manager; // to allow it to call extract_preload_scripts
friend struct current_tag;
friend struct scenario_tag;
// Private lua callbacks
int intf_allow_end_turn(lua_State *);
@ -107,6 +108,7 @@ class game_lua_kernel : public lua_kernel_base
int impl_game_config_set(lua_State *L) override;
int impl_scenario_get(lua_State *L);
int impl_scenario_set(lua_State *L);
int impl_scenario_dir(lua_State *L);
int impl_current_get(lua_State *L);
int impl_current_dir(lua_State *L);
int intf_clear_messages(lua_State*);

22
src/scripting/push_check.hpp
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@ -20,6 +20,7 @@
#include "lua/wrapper_lauxlib.h"
#include "tstring.hpp"
#include "map/location.hpp"
#include "variable.hpp"
#include <cassert>
#include <string_view>
@ -148,6 +149,27 @@ namespace lua_check_impl
luaW_pushconfig(L, val);
}
//vconfig
template<typename T>
std::enable_if_t<std::is_same_v<T, vconfig>, vconfig>
lua_check(lua_State *L, int n)
{
return luaW_checkvconfig(L, n);
}
template<typename T>
std::enable_if_t<std::is_same_v<T, vconfig>, vconfig>
lua_to_or_default(lua_State *L, int n, const T& def)
{
vconfig cfg = vconfig::unconstructed_vconfig();
return luaW_tovconfig(L, n, cfg) ? cfg : def;
}
template<typename T>
std::enable_if_t<std::is_same_v<T, vconfig>, void>
lua_push(lua_State *L, const vconfig& val)
{
luaW_pushvconfig(L, val);
}
//location
template<typename T>
std::enable_if_t<std::is_same_v<T, map_location>, map_location>