81 lines
2.2 KiB
C++

#include "api_lua.hpp"
#include "lua_util.hpp"
#include "lua_commons.hpp"
#include "LuaState.hpp"
#include "../scripting.hpp"
#include "../../../window/input.hpp"
#include "../../../window/Events.hpp"
#include "../../../util/stringutil.hpp"
#include "../../../graphics/ui/GUI.hpp"
#include "../../../frontend/screens/Screen.hpp"
#include "../../../frontend/hud.hpp"
#include "../../../engine.hpp"
namespace scripting {
extern lua::LuaState* state;
extern Hud* hud;
}
using namespace scripting;
static int l_keycode(lua_State* L) {
const char* name = state->requireString(1);
lua_pushinteger(L, static_cast<int>(input_util::keycode_from(name)));
return 1;
}
static int l_mousecode(lua_State* L) {
const char* name = state->requireString(1);
lua_pushinteger(L, static_cast<int>(input_util::mousecode_from(name)));
return 1;
}
static int l_add_callback(lua_State*) {
auto bindname = state->requireString(1);
const auto& bind = Events::bindings.find(bindname);
if (bind == Events::bindings.end()) {
throw std::runtime_error("unknown binding "+util::quote(bindname));
}
state->pushvalue(2);
runnable actual_callback = state->createRunnable();
runnable callback = [=]() {
if (!scripting::engine->getGUI()->isFocusCaught()) {
actual_callback();
}
};
if (hud) {
hud->keepAlive(bind->second.onactived.add(callback));
} else {
engine->keepAlive(bind->second.onactived.add(callback));
}
return 0;
}
static int l_get_mouse_pos(lua_State* L) {
return lua::pushvec2_arr(L, Events::cursor);
}
static int l_get_bindings(lua_State* L) {
auto& bindings = Events::bindings;
lua_createtable(L, bindings.size(), 0);
int i = 0;
for (auto& entry : bindings) {
lua_pushstring(L, entry.first.c_str());
lua_rawseti(L, -2, i + 1);
i++;
}
return 1;
}
const luaL_Reg inputlib [] = {
{"keycode", lua_wrap_errors<l_keycode>},
{"mousecode", lua_wrap_errors<l_mousecode>},
{"add_callback", lua_wrap_errors<l_add_callback>},
{"get_mouse_pos", lua_wrap_errors<l_get_mouse_pos>},
{"get_bindings", lua_wrap_errors<l_get_bindings>},
{NULL, NULL}
};