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Apply matching paths to NPCs and mobs on spawn

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This commit is contained in:
gsemaj 2021-05-03 18:46:43 -04:00 committed by Gent Semaj
parent 2721f21427
commit c960b06227
1 changed files with 74 additions and 69 deletions
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143
src/TableData.cpp
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@ -34,6 +34,31 @@ public:
const char *what() const throw() { return msg.c_str(); }
};
/*
* Find and return the first path that targets either the type or the ID.
* If no matches are found, return nullptr
*/
static NPCPath* findApplicablePath(int32_t id, int32_t type) {
NPCPath* match = nullptr;
for (auto _path = Transport::NPCPaths.begin(); _path != Transport::NPCPaths.end(); _path++) {
// search target IDs
for (int32_t pID : _path->targetIDs) {
if (id == pID) match = &(*_path);
break;
}
// search target types
for (int32_t pType : _path->targetTypes) {
if (type == pType) match = &(*_path);
break;
}
if (match != nullptr)
break;
}
return match;
}
/*
* Create a full and properly-paced path by interpolating between keyframes.
*/
@ -55,26 +80,35 @@ static void constructPathSkyway(json& pathData) {
Transport::SkywayPaths[pathData["iRouteID"]] = points;
}
static void constructPathNPC(json& pathData, int32_t id=0) {
// Interpolate
json pathPoints = pathData["aPoints"];
std::queue<Vec3> points;
json::iterator _point = pathPoints.begin();
auto point = _point.value();
Vec3 from = { point["iX"] , point["iY"] , point["iZ"] }; // point A coords
int stopTime = point["iStopTicks"];
for (_point++; _point != pathPoints.end(); _point++) { // loop through all point Bs
point = _point.value();
for(int i = 0; i < stopTime + 1; i++) // repeat point if it's a stop
points.push(from); // add point A to the queue
Vec3 to = { point["iX"] , point["iY"] , point["iZ"] }; // point B coords
Transport::lerp(&points, from, to, pathData["iBaseSpeed"]); // lerp from A to B
from = to; // update point A
stopTime = point["iStopTicks"];
}
static void constructPathNPC(int32_t id, NPCPath* path) {
BaseNPC* npc = NPCManager::NPCs[id];
if(npc->type == EntityType::MOB)
((Mob*)(npc))->staticPath = true;
if (id == 0)
id = pathData["iNPCID"];
// Interpolate
std::vector<Vec3> pathPoints = path->points;
std::queue<Vec3> points;
auto _point = pathPoints.begin();
Vec3 from = *_point; // point A coords
for (_point++; _point != pathPoints.end(); _point++) { // loop through all point Bs
Vec3 to = *_point; // point B coords
// add point A to the queue
if (path->isRelative) {
// relative; the NPCs current position is assumed to be its spawn point
Vec3 fromReal = { from.x + npc->x, from.y + npc->y, from.z + npc->z };
Vec3 toReal = { to.x + npc->x, to.y + npc->y, to.z + npc->z };
points.push(fromReal);
Transport::lerp(&points, fromReal, toReal, path->speed); // lerp from A to B
}
else {
// absolute
points.push(from);
Transport::lerp(&points, from, to, path->speed); // lerp from A to B
}
from = to; // update point A
}
Transport::NPCQueues[id] = points;
}
@ -367,31 +401,6 @@ static void loadPaths(json& pathData, int32_t* nextId) {
}
std::cout << "[INFO] Loaded " << Transport::NPCPaths.size() << " NPC paths" << std::endl;
// mob paths
pathDataNPC = pathData["mob"];
for (json::iterator npcPath = pathDataNPC.begin(); npcPath != pathDataNPC.end(); npcPath++) {
for (auto& pair : NPCManager::NPCs) {
if (pair.second->type != EntityType::MOB)
continue;
Mob* mob = (Mob*)pair.second;
if (mob->appearanceData.iNPCType == npcPath.value()["iNPCType"]) {
std::cout << "[INFO] Using static path for mob " << mob->appearanceData.iNPCType << " with ID " << pair.first << std::endl;
auto firstPoint = npcPath.value()["points"][0];
if (firstPoint["iX"] != mob->spawnX || firstPoint["iY"] != mob->spawnY) {
std::cout << "[FATAL] The first point of the route for mob " << pair.first <<
" (type " << mob->appearanceData.iNPCType << ") does not correspond with its spawn point." << std::endl;
exit(1);
}
constructPathNPC(*npcPath, pair.first);
mob->staticPath = true;
break; // only one NPC per path
}
}
}
}
catch (const std::exception& err) {
std::cerr << "[FATAL] Malformed paths.json file! Reason:" << err.what() << std::endl;
@ -866,6 +875,13 @@ static void loadNPCs(json& npcData) {
if (npc["iNPCType"] == 641 || npc["iNPCType"] == 642)
NPCManager::RespawnPoints.push_back({ npc["iX"], npc["iY"], ((int)npc["iZ"]) + RESURRECT_HEIGHT, instanceID });
// see if any paths target this NPC
NPCPath* npcPath = findApplicablePath(npcID, npc["iNPCType"]);
if (npcPath != nullptr) {
//std::cout << "[INFO] Found path for NPC " << npcID << std::endl;
constructPathNPC(npcID, npcPath);
}
}
}
catch (const std::exception& err) {
@ -900,6 +916,13 @@ static void loadMobs(json& npcData, int32_t* nextId) {
NPCManager::NPCs[npcID] = tmp;
NPCManager::updateNPCPosition(npcID, npc["iX"], npc["iY"], npc["iZ"], instanceID, npc["iAngle"]);
// see if any paths target this mob
NPCPath* npcPath = findApplicablePath(npcID, npc["iNPCType"]);
if (npcPath != nullptr) {
//std::cout << "[INFO] Found path for mob " << npcID << std::endl;
constructPathNPC(npcID, npcPath);
}
}
// mob groups
@ -923,6 +946,13 @@ static void loadMobs(json& npcData, int32_t* nextId) {
NPCManager::NPCs[leadID] = tmp;
NPCManager::updateNPCPosition(leadID, leader["iX"], leader["iY"], leader["iZ"], instanceID, leader["iAngle"]);
// see if any paths target this group leader
NPCPath* npcPath = findApplicablePath(leadID, leader["iNPCType"]);
if (npcPath != nullptr) {
//std::cout << "[INFO] Found path for mob " << leadID << std::endl;
constructPathNPC(leadID, npcPath);
}
tmp->groupLeader = leadID;
// followers (have dynamic IDs)
@ -957,31 +987,6 @@ static void loadMobs(json& npcData, int32_t* nextId) {
}
}
/*
* Find and return the first path that targets either the type or the ID.
* If no matches are found, return nullptr
*/
static NPCPath* findApplicablePath(int32_t id, int32_t type) {
NPCPath* match = nullptr;
for (auto _path = Transport::NPCPaths.begin(); _path != Transport::NPCPaths.end(); _path++) {
// search target IDs
for (int32_t pID : _path->targetIDs) {
if (id == pID) match = &(*_path);
break;
}
// search target types
for (int32_t pType : _path->targetTypes) {
if (type == pType) match = &(*_path);
break;
}
if (match != nullptr)
break;
}
return match;
}
/*
* Transform `base` based on the value of `patch`.
* Parameters must be of the same type and must not be null.