From d964a83d6d4b505b44b42b8ce7c36b7e796233ff Mon Sep 17 00:00:00 2001
From: dongresource <dongresource@protonmail.com>
Date: Tue, 25 Aug 2020 03:34:53 +0200
Subject: [PATCH] Respawn points work now.

Note that some of them weren't present in clientnpc and will need to be
manually added later.
---
 src/NPCManager.cpp    |  5 +++++
 src/NPCManager.hpp    |  6 +++++-
 src/PlayerManager.cpp | 22 +++++++++++++++++++---
 src/PlayerManager.hpp |  6 +++++-
 4 files changed, 34 insertions(+), 5 deletions(-)

diff --git a/src/NPCManager.cpp b/src/NPCManager.cpp
index 98d999e..22ce2ff 100644
--- a/src/NPCManager.cpp
+++ b/src/NPCManager.cpp
@@ -5,11 +5,13 @@
 #include <algorithm>
 #include <list>
 #include <fstream>
+#include <vector>
 
 #include "contrib/JSON.hpp"
 
 std::map<int32_t, BaseNPC> NPCManager::NPCs;
 std::map<int32_t, WarpLocation> NPCManager::Warps;
+std::vector<WarpLocation> NPCManager::RespawnPoints;
 
 void NPCManager::init() {
     // load NPCs from NPCs.json into our NPC manager
@@ -24,6 +26,9 @@ void NPCManager::init() {
         for (nlohmann::json::iterator npc = npcData.begin(); npc != npcData.end(); npc++) {
             BaseNPC tmp(npc.value()["x"], npc.value()["y"], npc.value()["z"], npc.value()["id"]);
             NPCs[tmp.appearanceData.iNPC_ID] = tmp;
+
+            if (npc.value()["id"] == 641 || npc.value()["id"] == 642)
+                RespawnPoints.push_back({npc.value()["x"], npc.value()["y"], ((int)npc.value()["z"]) + RESURRECT_HEIGHT});
         }
 
         std::cout << "[INFO] populated " << NPCs.size() << " NPCs" << std::endl;
diff --git a/src/NPCManager.hpp b/src/NPCManager.hpp
index b1897b1..12f17a3 100644
--- a/src/NPCManager.hpp
+++ b/src/NPCManager.hpp
@@ -5,7 +5,11 @@
 #include "NPC.hpp"
 
 #include <map>
+#include <vector>
 
+#define RESURRECT_HEIGHT 400
+
+// this should really be called vec3 or something...
 struct WarpLocation {
     int x, y, z;
 };
@@ -13,9 +17,9 @@ struct WarpLocation {
 namespace NPCManager {
     extern std::map<int32_t, BaseNPC> NPCs;
     extern std::map<int32_t, WarpLocation> Warps;
+    extern std::vector<WarpLocation> RespawnPoints;
     void init();
 
     void updatePlayerNPCS(CNSocket* sock, PlayerView& plr);
     void npcWarpManager(CNSocket* sock, CNPacketData* data);
-
 }
diff --git a/src/PlayerManager.cpp b/src/PlayerManager.cpp
index 293b3b4..1d6989d 100644
--- a/src/PlayerManager.cpp
+++ b/src/PlayerManager.cpp
@@ -575,6 +575,7 @@ void PlayerManager::revivePlayer(CNSocket* sock, CNPacketData* data) {
         return;
 
     Player *plr = PlayerManager::getPlayer(sock);
+    WarpLocation target = PlayerManager::getRespawnPoint(plr);
 
     // players respawn at same spot they died at for now...
     sP_CL2FE_REQ_PC_REGEN* reviveData = (sP_CL2FE_REQ_PC_REGEN*)data->buf;
@@ -582,9 +583,9 @@ void PlayerManager::revivePlayer(CNSocket* sock, CNPacketData* data) {
     response.bMoveLocation = reviveData->eIL;
     response.PCRegenData.iMapNum = reviveData->iIndex;
     response.PCRegenData.iHP = 1000 * plr->level;
-    response.PCRegenData.iX = plr->x;
-    response.PCRegenData.iY = plr->y;
-    response.PCRegenData.iZ = plr->z;
+    response.PCRegenData.iX = target.x;
+    response.PCRegenData.iY = target.y;
+    response.PCRegenData.iZ = target.z;
 
     sock->sendPacket((void*)&response, P_FE2CL_REP_PC_REGEN_SUCC, sizeof(sP_FE2CL_REP_PC_REGEN_SUCC));
 }
@@ -636,4 +637,19 @@ void PlayerManager::setSpecialSwitchPlayer(CNSocket* sock, CNPacketData* data) {
 Player *PlayerManager::getPlayer(CNSocket* key) {
     return players[key].plr;
 }
+
+WarpLocation PlayerManager::getRespawnPoint(Player *plr) {
+    WarpLocation best;
+    uint32_t curDist, bestDist = UINT32_MAX;
+
+    for (auto targ : NPCManager::RespawnPoints) {
+        curDist = sqrt(pow(plr->x - targ.x, 2) + pow(plr->y - targ.y, 2));
+        if (curDist < bestDist) {
+            best = targ;
+            bestDist = curDist;
+        }
+    }
+
+    return best;
+}
 #pragma endregion
diff --git a/src/PlayerManager.hpp b/src/PlayerManager.hpp
index f719b6a..78f904b 100644
--- a/src/PlayerManager.hpp
+++ b/src/PlayerManager.hpp
@@ -8,6 +8,8 @@
 #include <map>
 #include <list>
 
+struct WarpLocation;
+
 struct PlayerView {
     std::list<CNSocket*> viewable;
     std::list<int32_t> viewableNPCs;
@@ -22,7 +24,6 @@ namespace PlayerManager {
 
     void addPlayer(CNSocket* key, Player plr);
     void removePlayer(CNSocket* key);
-    Player *getPlayer(CNSocket* key);
 
     void updatePlayerPosition(CNSocket* sock, int X, int Y, int Z);
     std::list<CNSocket*> getNearbyPlayers(int X, int Y, int dist);
@@ -47,4 +48,7 @@ namespace PlayerManager {
 
     void enterPlayerVehicle(CNSocket* sock, CNPacketData* data);
     void exitPlayerVehicle(CNSocket* sock, CNPacketData* data);
+
+    Player *getPlayer(CNSocket* key);
+    WarpLocation getRespawnPoint(Player *plr);
 }