minetest/src/script/cpp_api/s_player.cpp

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/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
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 "cpp_api/s_player.h"
#include "cpp_api/s_internal.h"
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#include "common/c_converter.h"
#include "common/c_content.h"
#include "debug.h"
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#include "inventorymanager.h"
#include "lua_api/l_inventory.h"
#include "lua_api/l_item.h"
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#include "util/string.h"
void ScriptApiPlayer::on_newplayer(ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
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// Get core.registered_on_newplayers
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_newplayers");
// Call callbacks
objectrefGetOrCreate(L, player);
runCallbacks(1, RUN_CALLBACKS_MODE_FIRST);
}
void ScriptApiPlayer::on_dieplayer(ServerActiveObject *player, const PlayerHPChangeReason &reason)
{
SCRIPTAPI_PRECHECKHEADER
// Get callback table
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lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_dieplayers");
// Push arguments
objectrefGetOrCreate(L, player);
pushPlayerHPChangeReason(L, reason);
// Run callbacks
runCallbacks(2, RUN_CALLBACKS_MODE_FIRST);
}
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bool ScriptApiPlayer::on_punchplayer(ServerActiveObject *player,
ServerActiveObject *hitter,
float time_from_last_punch,
const ToolCapabilities *toolcap,
v3f dir,
s16 damage)
{
SCRIPTAPI_PRECHECKHEADER
// Get core.registered_on_punchplayers
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_punchplayers");
// Call callbacks
objectrefGetOrCreate(L, player);
objectrefGetOrCreate(L, hitter);
lua_pushnumber(L, time_from_last_punch);
push_tool_capabilities(L, *toolcap);
push_v3f(L, dir);
lua_pushnumber(L, damage);
runCallbacks(6, RUN_CALLBACKS_MODE_OR);
return readParam<bool>(L, -1);
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}
void ScriptApiPlayer::on_rightclickplayer(ServerActiveObject *player,
ServerActiveObject *clicker)
{
SCRIPTAPI_PRECHECKHEADER
// Get core.registered_on_rightclickplayers
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_rightclickplayers");
// Call callbacks
objectrefGetOrCreate(L, player);
objectrefGetOrCreate(L, clicker);
runCallbacks(2, RUN_CALLBACKS_MODE_FIRST);
}
s32 ScriptApiPlayer::on_player_hpchange(ServerActiveObject *player,
s32 hp_change, const PlayerHPChangeReason &reason)
{
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
// Get core.registered_on_player_hpchange
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_player_hpchange");
lua_remove(L, -2);
// Push arguments
objectrefGetOrCreate(L, player);
lua_pushnumber(L, hp_change);
pushPlayerHPChangeReason(L, reason);
// Call callbacks
PCALL_RES(lua_pcall(L, 3, 1, error_handler));
hp_change = lua_tointeger(L, -1);
lua_pop(L, 2); // Pop result and error handler
return hp_change;
}
bool ScriptApiPlayer::on_respawnplayer(ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
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// Get core.registered_on_respawnplayers
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_respawnplayers");
// Call callbacks
objectrefGetOrCreate(L, player);
runCallbacks(1, RUN_CALLBACKS_MODE_OR);
return readParam<bool>(L, -1);
}
bool ScriptApiPlayer::on_prejoinplayer(
const std::string &name,
const std::string &ip,
std::string *reason)
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{
SCRIPTAPI_PRECHECKHEADER
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// Get core.registered_on_prejoinplayers
lua_getglobal(L, "core");
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lua_getfield(L, -1, "registered_on_prejoinplayers");
lua_pushstring(L, name.c_str());
lua_pushstring(L, ip.c_str());
runCallbacks(2, RUN_CALLBACKS_MODE_OR);
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if (lua_isstring(L, -1)) {
reason->assign(readParam<std::string>(L, -1));
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return true;
}
return false;
}
bool ScriptApiPlayer::can_bypass_userlimit(const std::string &name, const std::string &ip)
{
SCRIPTAPI_PRECHECKHEADER
// Get core.registered_on_prejoinplayers
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_can_bypass_userlimit");
lua_pushstring(L, name.c_str());
lua_pushstring(L, ip.c_str());
runCallbacks(2, RUN_CALLBACKS_MODE_OR);
return lua_toboolean(L, -1);
}
void ScriptApiPlayer::on_joinplayer(ServerActiveObject *player, s64 last_login)
{
SCRIPTAPI_PRECHECKHEADER
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// Get core.registered_on_joinplayers
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_joinplayers");
// Call callbacks
objectrefGetOrCreate(L, player);
if (last_login != -1)
lua_pushinteger(L, last_login);
else
lua_pushnil(L);
runCallbacks(2, RUN_CALLBACKS_MODE_FIRST);
}
void ScriptApiPlayer::on_leaveplayer(ServerActiveObject *player,
bool timeout)
{
SCRIPTAPI_PRECHECKHEADER
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// Get core.registered_on_leaveplayers
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_leaveplayers");
// Call callbacks
objectrefGetOrCreate(L, player);
lua_pushboolean(L, timeout);
runCallbacks(2, RUN_CALLBACKS_MODE_FIRST);
}
void ScriptApiPlayer::on_cheat(ServerActiveObject *player,
const std::string &cheat_type)
{
SCRIPTAPI_PRECHECKHEADER
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// Get core.registered_on_cheats
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_cheats");
// Call callbacks
objectrefGetOrCreate(L, player);
lua_newtable(L);
lua_pushlstring(L, cheat_type.c_str(), cheat_type.size());
lua_setfield(L, -2, "type");
runCallbacks(2, RUN_CALLBACKS_MODE_FIRST);
}
void ScriptApiPlayer::on_playerReceiveFields(ServerActiveObject *player,
const std::string &formname,
const StringMap &fields)
{
SCRIPTAPI_PRECHECKHEADER
// Get core.registered_on_player_receive_fields
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lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_player_receive_fields");
// Call callbacks
// param 1
objectrefGetOrCreate(L, player);
// param 2
lua_pushstring(L, formname.c_str());
// param 3
lua_newtable(L);
StringMap::const_iterator it;
for (it = fields.begin(); it != fields.end(); ++it) {
const std::string &name = it->first;
const std::string &value = it->second;
lua_pushstring(L, name.c_str());
lua_pushlstring(L, value.c_str(), value.size());
lua_settable(L, -3);
}
runCallbacks(3, RUN_CALLBACKS_MODE_OR_SC);
}
void ScriptApiPlayer::on_authplayer(const std::string &name, const std::string &ip, bool is_success)
{
SCRIPTAPI_PRECHECKHEADER
// Get core.registered_on_authplayers
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_authplayers");
// Call callbacks
lua_pushstring(L, name.c_str());
lua_pushstring(L, ip.c_str());
lua_pushboolean(L, is_success);
runCallbacks(3, RUN_CALLBACKS_MODE_FIRST);
}
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void ScriptApiPlayer::pushMoveArguments(
const MoveAction &ma, int count,
ServerActiveObject *player)
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{
lua_State *L = getStack();
objectrefGetOrCreate(L, player); // player
lua_pushstring(L, "move"); // action
InvRef::create(L, ma.from_inv); // inventory
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lua_newtable(L);
{
// Table containing the action information
lua_pushstring(L, ma.from_list.c_str());
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lua_setfield(L, -2, "from_list");
lua_pushstring(L, ma.to_list.c_str());
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lua_setfield(L, -2, "to_list");
lua_pushinteger(L, ma.from_i + 1);
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lua_setfield(L, -2, "from_index");
lua_pushinteger(L, ma.to_i + 1);
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lua_setfield(L, -2, "to_index");
lua_pushinteger(L, count);
lua_setfield(L, -2, "count");
}
}
void ScriptApiPlayer::pushPutTakeArguments(
const char *method, const InventoryLocation &loc,
const std::string &listname, int index, const ItemStack &stack,
ServerActiveObject *player)
{
lua_State *L = getStack();
objectrefGetOrCreate(L, player); // player
lua_pushstring(L, method); // action
InvRef::create(L, loc); // inventory
lua_newtable(L);
{
// Table containing the action information
lua_pushstring(L, listname.c_str());
lua_setfield(L, -2, "listname");
lua_pushinteger(L, index + 1);
lua_setfield(L, -2, "index");
LuaItemStack::create(L, stack);
lua_setfield(L, -2, "stack");
}
}
// Return number of accepted items to be moved
int ScriptApiPlayer::player_inventory_AllowMove(
const MoveAction &ma, int count,
ServerActiveObject *player)
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{
SCRIPTAPI_PRECHECKHEADER
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_allow_player_inventory_actions");
pushMoveArguments(ma, count, player);
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runCallbacks(4, RUN_CALLBACKS_MODE_OR_SC);
return lua_type(L, -1) == LUA_TNUMBER ? lua_tonumber(L, -1) : count;
}
// Return number of accepted items to be put
int ScriptApiPlayer::player_inventory_AllowPut(
const MoveAction &ma, const ItemStack &stack,
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ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_allow_player_inventory_actions");
pushPutTakeArguments("put", ma.to_inv, ma.to_list, ma.to_i, stack, player);
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runCallbacks(4, RUN_CALLBACKS_MODE_OR_SC);
return lua_type(L, -1) == LUA_TNUMBER ? lua_tonumber(L, -1) : stack.count;
}
// Return number of accepted items to be taken
int ScriptApiPlayer::player_inventory_AllowTake(
const MoveAction &ma, const ItemStack &stack,
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ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_allow_player_inventory_actions");
pushPutTakeArguments("take", ma.from_inv, ma.from_list, ma.from_i, stack, player);
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runCallbacks(4, RUN_CALLBACKS_MODE_OR_SC);
return lua_type(L, -1) == LUA_TNUMBER ? lua_tonumber(L, -1) : stack.count;
}
// Report moved items
void ScriptApiPlayer::player_inventory_OnMove(
const MoveAction &ma, int count,
ServerActiveObject *player)
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{
SCRIPTAPI_PRECHECKHEADER
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_player_inventory_actions");
pushMoveArguments(ma, count, player);
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runCallbacks(4, RUN_CALLBACKS_MODE_FIRST);
}
// Report put items
void ScriptApiPlayer::player_inventory_OnPut(
const MoveAction &ma, const ItemStack &stack,
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ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_player_inventory_actions");
pushPutTakeArguments("put", ma.to_inv, ma.to_list, ma.to_i, stack, player);
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runCallbacks(4, RUN_CALLBACKS_MODE_FIRST);
}
// Report taken items
void ScriptApiPlayer::player_inventory_OnTake(
const MoveAction &ma, const ItemStack &stack,
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ServerActiveObject *player)
{
SCRIPTAPI_PRECHECKHEADER
lua_getglobal(L, "core");
lua_getfield(L, -1, "registered_on_player_inventory_actions");
pushPutTakeArguments("take", ma.from_inv, ma.from_list, ma.from_i, stack, player);
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runCallbacks(4, RUN_CALLBACKS_MODE_FIRST);
}