Implement NPC spawning.

Protected by a simplified GM system. Either everyone is a GM (local
servers) or nobody is (public servers).

config.ini

@@ -25,6 +25,8 @@ motd=Welcome to OpenFusion!
 npcdata=NPCs.json
 # warp target json data
 warpdata=warps.json
+# is everyone a GM?
+gm=true
 
 # spawn coordinates (Z is height)
 # the supplied defaults are at City Hall

src/CNLoginServer.cpp

@@ -92,7 +92,7 @@ void CNLoginServer::handlePacket(CNSocket* sock, CNPacketData* data) {
                     loginSessions[sock].characters[UID].z = charInfo.iZ;
                     loginSessions[sock].characters[UID].PCStyle = charInfo.sPC_Style;
                     loginSessions[sock].characters[UID].PCStyle2 = charInfo.sPC_Style2;
-                    loginSessions[sock].characters[UID].IsGM = false;
+                    loginSessions[sock].characters[UID].IsGM = settings::GM;
 
                     for (int i = 0; i < AEQUIP_COUNT; i++) {
                         // setup equips
@@ -227,7 +227,7 @@ void CNLoginServer::handlePacket(CNSocket* sock, CNPacketData* data) {
             loginSessions[sock].characters[UID].Equip[2].iType = 2;
             loginSessions[sock].characters[UID].Equip[3].iID = character->sOn_Item.iEquipFootID; // foot!
             loginSessions[sock].characters[UID].Equip[3].iType = 3; 
-            loginSessions[sock].characters[UID].IsGM = false;
+            loginSessions[sock].characters[UID].IsGM = settings::GM;
 
             sock->sendPacket((void*)&resp, P_LS2CL_REP_CHAR_CREATE_SUCC, sizeof(sP_LS2CL_REP_CHAR_CREATE_SUCC));
             break;

src/NPCManager.cpp

@@ -55,7 +55,8 @@ void NPCManager::init() {
     }
 
 
-    REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_WARP_USE_NPC, npcWarpManager);
+    REGISTER_SHARD_PACKET(P_CL2FE_REQ_PC_WARP_USE_NPC, npcWarpHandler);
+    REGISTER_SHARD_PACKET(P_CL2FE_REQ_NPC_SUMMON, npcSummonHandler);
 }
 
 void NPCManager::updatePlayerNPCS(CNSocket* sock, PlayerView& view) {
@@ -107,8 +108,7 @@ void NPCManager::updatePlayerNPCS(CNSocket* sock, PlayerView& view) {
     PlayerManager::players[sock].viewableNPCs = view.viewableNPCs;
 }
 
-void NPCManager::npcWarpManager(CNSocket* sock, CNPacketData* data)
-{
+void NPCManager::npcWarpHandler(CNSocket* sock, CNPacketData* data) {
     if (data->size != sizeof(sP_CL2FE_REQ_PC_WARP_USE_NPC))
         return; // malformed packet
 
@@ -127,3 +127,25 @@ void NPCManager::npcWarpManager(CNSocket* sock, CNPacketData* data)
     sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_WARP_USE_NPC_SUCC, sizeof(sP_FE2CL_REP_PC_WARP_USE_NPC_SUCC));
 
 }
+
+void NPCManager::npcSummonHandler(CNSocket *sock, CNPacketData *data) {
+    if (data->size != sizeof(sP_CL2FE_REQ_NPC_SUMMON))
+        return; // malformed packet
+
+    sP_CL2FE_REQ_NPC_SUMMON* req = (sP_CL2FE_REQ_NPC_SUMMON*)data->buf;
+    INITSTRUCT(sP_FE2CL_NPC_ENTER, resp);
+    Player *plr = PlayerManager::getPlayer(sock);
+
+    // permission & sanity check
+    if (!plr->IsGM || req->iNPCType >= NPCs.size())
+        return;
+
+    resp.NPCAppearanceData.iNPC_ID = rand(); // cpunch-style
+    resp.NPCAppearanceData.iNPCType = req->iNPCType;
+    resp.NPCAppearanceData.iHP = 1000; // TODO: placeholder
+    resp.NPCAppearanceData.iX = plr->x;
+    resp.NPCAppearanceData.iY = plr->y;
+    resp.NPCAppearanceData.iZ = plr->z;
+
+    sock->sendPacket((void*)&resp, P_FE2CL_NPC_ENTER, sizeof(sP_FE2CL_NPC_ENTER));
+}

src/NPCManager.hpp

@@ -21,5 +21,6 @@ namespace NPCManager {
     void init();
 
     void updatePlayerNPCS(CNSocket* sock, PlayerView& plr);
-    void npcWarpManager(CNSocket* sock, CNPacketData* data);
+    void npcWarpHandler(CNSocket* sock, CNPacketData* data);
+    void npcSummonHandler(CNSocket* sock, CNPacketData* data);
 }

src/settings.cpp

@@ -20,6 +20,7 @@ std::string settings::GMPASS = "pass";
 std::string settings::NPCJSON = "NPCs.json";
 std::string settings::WARPJSON = "warps.json";
 std::string settings::MOTDSTRING = "Welcome to OpenFusion!";
+bool settings::GM = false;
 
 void settings::init() {
     INIReader reader("config.ini");
@@ -46,5 +47,5 @@ void settings::init() {
     NPCJSON = reader.Get("shard", "npcdata", NPCJSON);
     WARPJSON = reader.Get("shard", "warpdata", WARPJSON);
     MOTDSTRING = reader.Get("shard", "motd", MOTDSTRING);
-
+    GM = reader.GetBoolean("shard", "gm", GM);
 }

src/settings.hpp

@@ -14,6 +14,7 @@ namespace settings {
     extern std::string NPCJSON;
     extern std::string WARPJSON;
     extern std::string GMPASS;
+    extern bool GM;
 
     void init();
 }