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Make proximity NPC search a helper function

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This commit is contained in:
Gent 2020-10-10 23:12:12 -04:00
parent 2b9d0f6bab
commit 1564cc7724
3 changed files with 26 additions and 31 deletions
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33
src/ChatManager.cpp
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@ -9,8 +9,6 @@
#include <sstream>
#include <iterator>
#include <cmath>
#include <limits.h>
std::map<std::string, ChatCommand> ChatManager::commands;
@ -241,21 +239,7 @@ void unsummonWCommand(std::string full, std::vector<std::string>& args, CNSocket
PlayerView& plrv = PlayerManager::players[sock];
Player* plr = plrv.plr;
// shamelessly stolen from npcRotateCommand()
BaseNPC* npc = nullptr;
int lastDist = INT_MAX;
for (auto c = plrv.currentChunks.begin(); c != plrv.currentChunks.end(); c++) {
Chunk* chunk = *c;
for (auto _npc = chunk->NPCs.begin(); _npc != chunk->NPCs.end(); _npc++) {
BaseNPC* npcTemp = NPCManager::NPCs[*_npc];
int distXY = std::hypot(plr->x - npcTemp->appearanceData.iX, plr->y - npcTemp->appearanceData.iY);
int dist = std::hypot(distXY, plr->z - npcTemp->appearanceData.iZ);
if (dist < lastDist) {
npc = npcTemp;
lastDist = dist;
}
}
}
BaseNPC* npc = NPCManager::getNearestNPC(plrv.currentChunks, plr->x, plr->y, plr->z);
if (npc == nullptr) {
ChatManager::sendServerMessage(sock, "/unsummonW: No NPCs found nearby");
@ -292,20 +276,7 @@ void npcRotateCommand(std::string full, std::vector<std::string>& args, CNSocket
PlayerView& plrv = PlayerManager::players[sock];
Player* plr = plrv.plr;
BaseNPC* npc = nullptr;
int lastDist = INT_MAX;
for (auto c = plrv.currentChunks.begin(); c != plrv.currentChunks.end(); c++) { // haha get it
Chunk* chunk = *c;
for (auto _npc = chunk->NPCs.begin(); _npc != chunk->NPCs.end(); _npc++) {
BaseNPC* npcTemp = NPCManager::NPCs[*_npc];
int distXY = std::hypot(plr->x - npcTemp->appearanceData.iX, plr->y - npcTemp->appearanceData.iY);
int dist = std::hypot(distXY, plr->z - npcTemp->appearanceData.iZ);
if (dist < lastDist) {
npc = npcTemp;
lastDist = dist;
}
}
}
BaseNPC* npc = NPCManager::getNearestNPC(plrv.currentChunks, plr->x, plr->y, plr->z);
if (npc == nullptr) {
ChatManager::sendServerMessage(sock, "[NPCR] No NPCs found nearby");

22
src/NPCManager.cpp
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@ -9,6 +9,7 @@
#include <fstream>
#include <vector>
#include <assert.h>
#include <limits.h>
#include "contrib/JSON.hpp"
@ -588,3 +589,24 @@ void NPCManager::handleWarp(CNSocket* sock, int32_t warpId) {
sock->sendPacket((void*)&resp, P_FE2CL_REP_PC_WARP_USE_NPC_SUCC, sizeof(sP_FE2CL_REP_PC_WARP_USE_NPC_SUCC));
}
/*
* Helper function to get NPC closest to coordinates in specified chunks
*/
BaseNPC* NPCManager::getNearestNPC(std::vector<Chunk*> chunks, int X, int Y, int Z) {
BaseNPC* npc = nullptr;
int lastDist = INT_MAX;
for (auto c = chunks.begin(); c != chunks.end(); c++) { // haha get it
Chunk* chunk = *c;
for (auto _npc = chunk->NPCs.begin(); _npc != chunk->NPCs.end(); _npc++) {
BaseNPC* npcTemp = NPCs[*_npc];
int distXY = std::hypot(X - npcTemp->appearanceData.iX, Y - npcTemp->appearanceData.iY);
int dist = std::hypot(distXY, Z - npcTemp->appearanceData.iZ);
if (dist < lastDist) {
npc = npcTemp;
lastDist = dist;
}
}
}
return npc;
}

2
src/NPCManager.hpp
View File

@ -47,4 +47,6 @@ namespace NPCManager {
void npcCombineItems(CNSocket* sock, CNPacketData* data);
void handleWarp(CNSocket* sock, int32_t warpId);
BaseNPC* getNearestNPC(std::vector<Chunk*> chunks, int X, int Y, int Z);
}