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/*
Minetest
Copyright (C) 2017 Loic Blot <loic.blot@unix-experience.fr>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "lua_api/l_minimap.h"
#include "lua_api/l_internal.h"
#include "common/c_converter.h"
#include "client/client.h"
#include "client/minimap.h"
#include "settings.h"
LuaMinimap::LuaMinimap(Minimap *m) : m_minimap(m)
{
}
void LuaMinimap::create(lua_State *L, Minimap *m)
{
LuaMinimap *o = new LuaMinimap(m);
*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
luaL_getmetatable(L, className);
lua_setmetatable(L, -2);
// Keep minimap object stack id
int minimap_object = lua_gettop(L);
lua_getglobal(L, "core");
lua_getfield(L, -1, "ui");
luaL_checktype(L, -1, LUA_TTABLE);
int uitable = lua_gettop(L);
lua_pushvalue(L, minimap_object); // Copy object to top of stack
lua_setfield(L, uitable, "minimap");
}
int LuaMinimap::l_get_pos(lua_State *L)
{
LuaMinimap *ref = checkobject(L, 1);
Minimap *m = getobject(ref);
push_v3s16(L, m->getPos());
return 1;
}
int LuaMinimap::l_set_pos(lua_State *L)
{
LuaMinimap *ref = checkobject(L, 1);
Minimap *m = getobject(ref);
m->setPos(read_v3s16(L, 2));
return 1;
}
int LuaMinimap::l_get_angle(lua_State *L)
{
LuaMinimap *ref = checkobject(L, 1);
Minimap *m = getobject(ref);
lua_pushinteger(L, m->getAngle());
return 1;
}
int LuaMinimap::l_set_angle(lua_State *L)
{
LuaMinimap *ref = checkobject(L, 1);
Minimap *m = getobject(ref);
m->setAngle(lua_tointeger(L, 2));
return 1;
}
int LuaMinimap::l_get_mode(lua_State *L)
{
LuaMinimap *ref = checkobject(L, 1);
Minimap *m = getobject(ref);
lua_pushinteger(L, m->getModeIndex());
return 1;
}
int LuaMinimap::l_set_mode(lua_State *L)
{
LuaMinimap *ref = checkobject(L, 1);
Minimap *m = getobject(ref);
u32 mode = lua_tointeger(L, 2);
if (mode >= m->getMaxModeIndex())
return 0;
m->setModeIndex(mode);
return 1;
}
int LuaMinimap::l_set_shape(lua_State *L)
{
LuaMinimap *ref = checkobject(L, 1);
Minimap *m = getobject(ref);
if (!lua_isnumber(L, 2))
return 0;
m->setMinimapShape((MinimapShape)((int)lua_tonumber(L, 2)));
return 0;
}
int LuaMinimap::l_get_shape(lua_State *L)
{
LuaMinimap *ref = checkobject(L, 1);
Minimap *m = getobject(ref);
lua_pushnumber(L, (int)m->getMinimapShape());
return 1;
}
int LuaMinimap::l_show(lua_State *L)
{
// If minimap is disabled by config, don't show it.
if (!g_settings->getBool("enable_minimap"))
return 1;
Client *client = getClient(L);
assert(client);
LuaMinimap *ref = checkobject(L, 1);
Minimap *m = getobject(ref);
// This is not very adapted to new minimap mode management. Btw, tried
// to do something compatible.
if (m->getModeIndex() == 0 && m->getMaxModeIndex() > 0)
m->setModeIndex(1);
client->showMinimap(true);
return 1;
}
int LuaMinimap::l_hide(lua_State *L)
{
Client *client = getClient(L);
assert(client);
LuaMinimap *ref = checkobject(L, 1);
Minimap *m = getobject(ref);
// This is not very adapted to new minimap mode management. Btw, tried
// to do something compatible.
if (m->getModeIndex() != 0)
m->setModeIndex(0);
client->showMinimap(false);
return 1;
}
LuaMinimap *LuaMinimap::checkobject(lua_State *L, int narg)
{
NO_MAP_LOCK_REQUIRED;
luaL_checktype(L, narg, LUA_TUSERDATA);
void *ud = luaL_checkudata(L, narg, className);
if (!ud)
luaL_typerror(L, narg, className);
return *(LuaMinimap **)ud; // unbox pointer
}
Minimap* LuaMinimap::getobject(LuaMinimap *ref)
{
return ref->m_minimap;
}
int LuaMinimap::gc_object(lua_State *L) {
LuaMinimap *o = *(LuaMinimap **)(lua_touserdata(L, 1));
delete o;
return 0;
}
void LuaMinimap::Register(lua_State *L)
{
lua_newtable(L);
int methodtable = lua_gettop(L);
luaL_newmetatable(L, className);
int metatable = lua_gettop(L);
lua_pushliteral(L, "__metatable");
lua_pushvalue(L, methodtable);
lua_settable(L, metatable); // hide metatable from Lua getmetatable()
lua_pushliteral(L, "__index");
lua_pushvalue(L, methodtable);
lua_settable(L, metatable);
lua_pushliteral(L, "__gc");
lua_pushcfunction(L, gc_object);
lua_settable(L, metatable);
lua_pop(L, 1); // drop metatable
luaL_register(L, nullptr, methods); // fill methodtable
lua_pop(L, 1); // drop methodtable
}
const char LuaMinimap::className[] = "Minimap";
const luaL_Reg LuaMinimap::methods[] = {
luamethod(LuaMinimap, show),
luamethod(LuaMinimap, hide),
luamethod(LuaMinimap, get_pos),
luamethod(LuaMinimap, set_pos),
luamethod(LuaMinimap, get_angle),
luamethod(LuaMinimap, set_angle),
luamethod(LuaMinimap, get_mode),
luamethod(LuaMinimap, set_mode),
luamethod(LuaMinimap, set_shape),
luamethod(LuaMinimap, get_shape),
{0,0}
};
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