diff options
Diffstat (limited to 'src/net/eathena/npchandler.cpp')
| -rw-r--r-- | src/net/eathena/npchandler.cpp | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/src/net/eathena/npchandler.cpp b/src/net/eathena/npchandler.cpp new file mode 100644 index 000000000..8b64248e4 --- /dev/null +++ b/src/net/eathena/npchandler.cpp @@ -0,0 +1,309 @@ +/* + * The ManaPlus Client + * Copyright (C) 2004-2009 The Mana World Development Team + * Copyright (C) 2009-2010 The Mana Developers + * Copyright (C) 2011-2012 The ManaPlus Developers + * + * This file is part of The ManaPlus Client. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "net/eathena/npchandler.h" + +#include "localplayer.h" + +#include "gui/npcdialog.h" +#include "gui/viewport.h" + +#include "net/messagein.h" +#include "net/net.h" +#include "net/npchandler.h" + +#include "net/eathena/protocol.h" + +#include "net/ea/eaprotocol.h" + +#include "utils/langs.h" + +#include "debug.h" + +extern Net::NpcHandler *npcHandler; + +namespace EAthena +{ + +NpcHandler::NpcHandler() : + mRequestLang(false) +{ + static const uint16_t _messages[] = + { + SMSG_NPC_CHOICE, + SMSG_NPC_MESSAGE, + SMSG_NPC_NEXT, + SMSG_NPC_CLOSE, + SMSG_NPC_INT_INPUT, + SMSG_NPC_STR_INPUT, + SMSG_NPC_COMMAND, + 0 + }; + handledMessages = _messages; + npcHandler = this; +} + +void NpcHandler::handleMessage(Net::MessageIn &msg) +{ + int npcId = getNpc(msg, msg.getId() == SMSG_NPC_CHOICE + || msg.getId() == SMSG_NPC_MESSAGE); + + if (msg.getId() != SMSG_NPC_STR_INPUT) + mRequestLang = false; + + switch (msg.getId()) + { + case SMSG_NPC_CHOICE: + processNpcChoice(msg); + break; + + case SMSG_NPC_MESSAGE: + processNpcMessage(msg); + break; + + case SMSG_NPC_CLOSE: + processNpcClose(msg); + break; + + case SMSG_NPC_NEXT: + processNpcNext(msg); + break; + + case SMSG_NPC_INT_INPUT: + processNpcIntInput(msg); + break; + + case SMSG_NPC_STR_INPUT: + if (mRequestLang) + processLangReuqest(msg, npcId); + else + processNpcStrInput(msg); + break; + + case SMSG_NPC_COMMAND: + processNpcCommand(msg, npcId); + break; + + default: + break; + } + + mDialog = nullptr; +} + +void NpcHandler::talk(int npcId) +{ + MessageOut outMsg(CMSG_NPC_TALK); + outMsg.writeInt32(npcId); + outMsg.writeInt8(0); // Unused +} + +void NpcHandler::nextDialog(int npcId) +{ + MessageOut outMsg(CMSG_NPC_NEXT_REQUEST); + outMsg.writeInt32(npcId); +} + +void NpcHandler::closeDialog(int npcId) +{ + MessageOut outMsg(CMSG_NPC_CLOSE); + outMsg.writeInt32(npcId); + + NpcDialogs::iterator it = mNpcDialogs.find(npcId); + if (it != mNpcDialogs.end()) + { + if ((*it).second.dialog) + (*it).second.dialog->close(); + if ((*it).second.dialog == mDialog) + mDialog = nullptr; + mNpcDialogs.erase(it); + } +} + +void NpcHandler::listInput(int npcId, unsigned char value) +{ + MessageOut outMsg(CMSG_NPC_LIST_CHOICE); + outMsg.writeInt32(npcId); + outMsg.writeInt8(value); +} + +void NpcHandler::integerInput(int npcId, int value) +{ + MessageOut outMsg(CMSG_NPC_INT_RESPONSE); + outMsg.writeInt32(npcId); + outMsg.writeInt32(value); +} + +void NpcHandler::stringInput(int npcId, const std::string &value) +{ + MessageOut outMsg(CMSG_NPC_STR_RESPONSE); + outMsg.writeInt16(static_cast<int16_t>(value.length() + 9)); + outMsg.writeInt32(npcId); + outMsg.writeString(value, static_cast<int>(value.length())); + outMsg.writeInt8(0); // Prevent problems with string reading +} + +void NpcHandler::buy(int beingId) +{ + MessageOut outMsg(CMSG_NPC_BUY_SELL_REQUEST); + outMsg.writeInt32(beingId); + outMsg.writeInt8(0); // Buy +} + +void NpcHandler::sell(int beingId) +{ + MessageOut outMsg(CMSG_NPC_BUY_SELL_REQUEST); + outMsg.writeInt32(beingId); + outMsg.writeInt8(1); // Sell +} + +void NpcHandler::buyItem(int beingId A_UNUSED, int itemId, + unsigned char color, int amount) +{ + MessageOut outMsg(CMSG_NPC_BUY_REQUEST); + if (serverVersion > 0) + { + outMsg.writeInt16(10); // One item (length of packet) + outMsg.writeInt16(static_cast<int16_t>(amount)); + outMsg.writeInt16(static_cast<int16_t>(itemId)); + outMsg.writeInt8(color); + outMsg.writeInt8(0); + } + else + { + outMsg.writeInt16(8); // One item (length of packet) + outMsg.writeInt16(static_cast<int16_t>(amount)); + outMsg.writeInt16(static_cast<int16_t>(itemId)); + } +} + +void NpcHandler::sellItem(int beingId A_UNUSED, int itemId, int amount) +{ + MessageOut outMsg(CMSG_NPC_SELL_REQUEST); + outMsg.writeInt16(8); // One item (length of packet) + outMsg.writeInt16(static_cast<int16_t>(itemId + INVENTORY_OFFSET)); + outMsg.writeInt16(static_cast<int16_t>(amount)); +} + +int NpcHandler::getNpc(Net::MessageIn &msg, bool haveLength) +{ + if (haveLength) + msg.readInt16(); // length + + const int npcId = msg.readInt32(); + + NpcDialogs::const_iterator diag = mNpcDialogs.find(npcId); + mDialog = nullptr; + + if (diag == mNpcDialogs.end()) + { + // Empty dialogs don't help + if (msg.getId() == SMSG_NPC_CLOSE) + { + closeDialog(npcId); + return npcId; + } + else if (msg.getId() == SMSG_NPC_NEXT) + { + nextDialog(npcId); + return npcId; + } + else + { + mDialog = new NpcDialog(npcId); + mDialog->saveCamera(); + if (player_node) + player_node->stopWalking(false); + Wrapper wrap; + wrap.dialog = mDialog; + mNpcDialogs[npcId] = wrap; + } + } + else + { + if (mDialog && mDialog != diag->second.dialog) + mDialog->restoreCamera(); + mDialog = diag->second.dialog; + if (mDialog) + mDialog->saveCamera(); + } + return npcId; +} + +void NpcHandler::processNpcCommand(Net::MessageIn &msg, int npcId) +{ + const int cmd = msg.readInt16(); + switch (cmd) + { + case 0: + mRequestLang = true; + break; + + case 1: + if (viewport) + viewport->moveCameraToActor(npcId); + break; + + case 2: + if (viewport) + { + const int id = msg.readInt32(); + const int x = msg.readInt16(); + const int y = msg.readInt16(); + if (!id) + viewport->moveCameraToPosition(x, y); + else + viewport->moveCameraToActor(id, x, y); + } + break; + + case 3: + if (viewport) + viewport->returnCamera(); + break; + + case 4: + if (viewport) + { + msg.readInt32(); // id + const int x = msg.readInt16(); + const int y = msg.readInt16(); + viewport->moveCameraRelative(x, y); + } + break; + case 5: + closeDialog(npcId); + break; + + default: + logger->log("unknown npc command: %d", cmd); + break; + } +} + +void NpcHandler::processLangReuqest(Net::MessageIn &msg A_UNUSED, int npcId) +{ + mRequestLang = false; + stringInput(npcId, getLangSimple()); +} + +} // namespace EAthena |