summaryrefslogtreecommitdiff
path: root/src/net/eathena/npchandler.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/net/eathena/npchandler.cpp')
-rw-r--r--src/net/eathena/npchandler.cpp309
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