mirror of https://github.com/minetest/minetest.git
125 lines
3.1 KiB
C++
125 lines
3.1 KiB
C++
/*
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Minetest
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Copyright (C) 2017 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <cassert>
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#include <log.h>
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#include "lua_api/l_modchannels.h"
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#include "l_internal.h"
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#include "modchannels.h"
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int ModApiChannels::l_mod_channel_join(lua_State *L)
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{
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if (!lua_isstring(L, 1))
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return 0;
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std::string channel = luaL_checkstring(L, 1);
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if (channel.empty())
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return 0;
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getGameDef(L)->joinModChannel(channel);
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assert(getGameDef(L)->getModChannel(channel) != nullptr);
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ModChannelRef::create(L, channel);
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int object = lua_gettop(L);
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lua_pushvalue(L, object);
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return 1;
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}
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void ModApiChannels::Initialize(lua_State *L, int top)
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{
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API_FCT(mod_channel_join);
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}
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/*
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* ModChannelRef
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*/
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ModChannelRef::ModChannelRef(const std::string &modchannel) :
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m_modchannel_name(modchannel)
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{
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}
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int ModChannelRef::l_leave(lua_State *L)
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{
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ModChannelRef *ref = checkObject<ModChannelRef>(L, 1);
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getGameDef(L)->leaveModChannel(ref->m_modchannel_name);
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return 0;
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}
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int ModChannelRef::l_send_all(lua_State *L)
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{
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ModChannelRef *ref = checkObject<ModChannelRef>(L, 1);
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ModChannel *channel = getobject(L, ref);
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if (!channel || !channel->canWrite())
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return 0;
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// @TODO serialize message
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std::string message = luaL_checkstring(L, 2);
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getGameDef(L)->sendModChannelMessage(channel->getName(), message);
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return 0;
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}
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int ModChannelRef::l_is_writeable(lua_State *L)
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{
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ModChannelRef *ref = checkObject<ModChannelRef>(L, 1);
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ModChannel *channel = getobject(L, ref);
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if (!channel)
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return 0;
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lua_pushboolean(L, channel->canWrite());
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return 1;
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}
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void ModChannelRef::Register(lua_State *L)
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{
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static const luaL_Reg metamethods[] = {
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{"__gc", gc_object},
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{0, 0}
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};
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registerClass(L, className, methods, metamethods);
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}
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void ModChannelRef::create(lua_State *L, const std::string &channel)
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{
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ModChannelRef *o = new ModChannelRef(channel);
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*(void **)(lua_newuserdata(L, sizeof(void *))) = o;
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luaL_getmetatable(L, className);
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lua_setmetatable(L, -2);
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}
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int ModChannelRef::gc_object(lua_State *L)
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{
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ModChannelRef *o = *(ModChannelRef **)(lua_touserdata(L, 1));
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delete o;
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return 0;
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}
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ModChannel *ModChannelRef::getobject(lua_State *L, ModChannelRef *ref)
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{
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return getGameDef(L)->getModChannel(ref->m_modchannel_name);
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}
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const char ModChannelRef::className[] = "ModChannelRef";
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const luaL_Reg ModChannelRef::methods[] = {
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luamethod(ModChannelRef, leave),
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luamethod(ModChannelRef, is_writeable),
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luamethod(ModChannelRef, send_all),
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{0, 0},
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};
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