Kelsidavis-WoWee/src/game/npc_manager.cpp

816 lines
30 KiB
C++

#include "game/npc_manager.hpp"
#include "game/entity.hpp"
#include "core/coordinates.hpp"
#include "pipeline/asset_manager.hpp"
#include "pipeline/m2_loader.hpp"
#include "pipeline/dbc_loader.hpp"
#include "rendering/character_renderer.hpp"
#include "rendering/terrain_manager.hpp"
#include "core/logger.hpp"
#include <random>
#include <cmath>
#include <algorithm>
#include <cctype>
#include <cstdlib>
#include <fstream>
#include <sstream>
#include <filesystem>
#include <functional>
namespace wowee {
namespace game {
void NpcManager::clear(rendering::CharacterRenderer* cr, EntityManager* em) {
for (const auto& npc : npcs) {
if (cr) {
cr->removeInstance(npc.renderInstanceId);
}
if (em) {
em->removeEntity(npc.guid);
}
}
npcs.clear();
loadedModels.clear();
}
// Random emote animation IDs (humanoid only)
static const uint32_t EMOTE_ANIMS[] = { 60, 66, 67, 70 }; // Talk, Bow, Wave, Laugh
static constexpr int NUM_EMOTE_ANIMS = 4;
static float randomFloat(float lo, float hi) {
static std::mt19937 rng(std::random_device{}());
std::uniform_real_distribution<float> dist(lo, hi);
return dist(rng);
}
static std::string toLowerStr(const std::string& s) {
std::string out = s;
for (char& c : out) c = static_cast<char>(std::tolower(static_cast<unsigned char>(c)));
return out;
}
static std::string trim(const std::string& s) {
size_t b = 0;
while (b < s.size() && std::isspace(static_cast<unsigned char>(s[b]))) b++;
size_t e = s.size();
while (e > b && std::isspace(static_cast<unsigned char>(s[e - 1]))) e--;
return s.substr(b, e - b);
}
static std::string normalizeMapName(const std::string& raw) {
std::string n = toLowerStr(trim(raw));
n.erase(std::remove_if(n.begin(), n.end(), [](char c) { return c == ' ' || c == '_'; }), n.end());
return n;
}
static bool mapNamesEquivalent(const std::string& a, const std::string& b) {
std::string na = normalizeMapName(a);
std::string nb = normalizeMapName(b);
if (na == nb) return true;
// Azeroth world aliases seen across systems/UI.
auto isAzerothAlias = [](const std::string& n) {
return n == "azeroth" || n == "easternkingdoms" || n == "easternkingdom";
};
return isAzerothAlias(na) && isAzerothAlias(nb);
}
static bool parseVec2Csv(const char* raw, float& x, float& y) {
if (!raw || !*raw) return false;
std::string s(raw);
std::replace(s.begin(), s.end(), ';', ',');
std::stringstream ss(s);
std::string a, b;
if (!std::getline(ss, a, ',')) return false;
if (!std::getline(ss, b, ',')) return false;
try {
x = std::stof(trim(a));
y = std::stof(trim(b));
return true;
} catch (const std::exception&) {
return false;
}
}
static bool parseFloatEnv(const char* raw, float& out) {
if (!raw || !*raw) return false;
try {
out = std::stof(trim(raw));
return true;
} catch (const std::exception&) {
return false;
}
}
static int mapNameToId(const std::string& mapName) {
std::string n = normalizeMapName(mapName);
if (n == "azeroth" || n == "easternkingdoms" || n == "easternkingdom") return 0;
if (n == "kalimdor") return 1;
if (n == "outland" || n == "expansion01") return 530;
if (n == "northrend") return 571;
return 0;
}
static bool parseInsertTuples(const std::string& line, std::vector<std::string>& outTuples) {
outTuples.clear();
size_t valuesPos = line.find("VALUES");
if (valuesPos == std::string::npos) valuesPos = line.find("values");
if (valuesPos == std::string::npos) return false;
bool inQuote = false;
int depth = 0;
size_t tupleStart = std::string::npos;
for (size_t i = valuesPos; i < line.size(); i++) {
char c = line[i];
if (c == '\'' && (i == 0 || line[i - 1] != '\\')) inQuote = !inQuote;
if (inQuote) continue;
if (c == '(') {
if (depth == 0) tupleStart = i + 1;
depth++;
} else if (c == ')') {
depth--;
if (depth == 0 && tupleStart != std::string::npos && i > tupleStart) {
outTuples.push_back(line.substr(tupleStart, i - tupleStart));
tupleStart = std::string::npos;
}
}
}
return !outTuples.empty();
}
static std::vector<std::string> splitCsvTuple(const std::string& tuple) {
std::vector<std::string> cols;
std::string cur;
bool inQuote = false;
for (size_t i = 0; i < tuple.size(); i++) {
char c = tuple[i];
if (c == '\'' && (i == 0 || tuple[i - 1] != '\\')) {
inQuote = !inQuote;
cur.push_back(c);
continue;
}
if (c == ',' && !inQuote) {
cols.push_back(trim(cur));
cur.clear();
continue;
}
cur.push_back(c);
}
if (!cur.empty()) cols.push_back(trim(cur));
return cols;
}
static std::string unquoteSqlString(const std::string& s) {
if (s.size() >= 2 && s.front() == '\'' && s.back() == '\'') {
return s.substr(1, s.size() - 2);
}
return s;
}
static glm::vec3 toCanonicalSpawn(const NpcSpawnDef& s, bool swapXY, float rotDeg,
float pivotX, float pivotY, float dx, float dy) {
glm::vec3 canonical = s.inputIsServerCoords
? core::coords::serverToCanonical(s.canonicalPosition)
: s.canonicalPosition;
if (swapXY) std::swap(canonical.x, canonical.y);
if (std::abs(rotDeg) > 0.001f) {
float rad = rotDeg * (3.1415926535f / 180.0f);
float c = std::cos(rad);
float s = std::sin(rad);
float x = canonical.x - pivotX;
float y = canonical.y - pivotY;
canonical.x = pivotX + x * c - y * s;
canonical.y = pivotY + x * s + y * c;
}
canonical.x += dx;
canonical.y += dy;
return canonical;
}
// Look up texture variants for a creature M2 using CreatureDisplayInfo.dbc
// Returns up to 3 texture variant names (for type 1, 2, 3 texture slots)
static std::vector<std::string> lookupTextureVariants(
pipeline::AssetManager* am, const std::string& m2Path) {
std::vector<std::string> variants;
auto modelDataDbc = am->loadDBC("CreatureModelData.dbc");
auto displayInfoDbc = am->loadDBC("CreatureDisplayInfo.dbc");
if (!modelDataDbc || !displayInfoDbc) return variants;
// CreatureModelData stores .mdx paths; convert our .m2 path for matching
std::string mdxPath = m2Path;
if (mdxPath.size() > 3) {
mdxPath = mdxPath.substr(0, mdxPath.size() - 3) + ".mdx";
}
std::string mdxLower = toLowerStr(mdxPath);
// Find model ID from CreatureModelData (col 0 = ID, col 2 = modelName)
uint32_t creatureModelId = 0;
for (uint32_t r = 0; r < modelDataDbc->getRecordCount(); r++) {
std::string dbcModel = modelDataDbc->getString(r, 2);
if (toLowerStr(dbcModel) == mdxLower) {
creatureModelId = modelDataDbc->getUInt32(r, 0);
LOG_INFO("NpcManager: DBC match for '", m2Path,
"' -> CreatureModelData ID ", creatureModelId);
break;
}
}
if (creatureModelId == 0) return variants;
// Find first CreatureDisplayInfo entry for this model
// Col 0=ID, 1=ModelID, 6=TextureVariation_1, 7=TextureVariation_2, 8=TextureVariation_3
for (uint32_t r = 0; r < displayInfoDbc->getRecordCount(); r++) {
if (displayInfoDbc->getUInt32(r, 1) == creatureModelId) {
std::string v1 = displayInfoDbc->getString(r, 6);
std::string v2 = displayInfoDbc->getString(r, 7);
std::string v3 = displayInfoDbc->getString(r, 8);
if (!v1.empty()) variants.push_back(v1);
if (!v2.empty()) variants.push_back(v2);
if (!v3.empty()) variants.push_back(v3);
LOG_INFO("NpcManager: DisplayInfo textures: '", v1, "', '", v2, "', '", v3, "'");
break;
}
}
return variants;
}
void NpcManager::loadCreatureModel(pipeline::AssetManager* am,
rendering::CharacterRenderer* cr,
const std::string& m2Path,
uint32_t modelId) {
auto m2Data = am->readFile(m2Path);
if (m2Data.empty()) {
LOG_WARNING("NpcManager: failed to read M2 file: ", m2Path);
return;
}
auto model = pipeline::M2Loader::load(m2Data);
// Derive skin path: replace .m2 with 00.skin
std::string skinPath = m2Path;
if (skinPath.size() > 3) {
skinPath = skinPath.substr(0, skinPath.size() - 3) + "00.skin";
}
auto skinData = am->readFile(skinPath);
if (!skinData.empty()) {
pipeline::M2Loader::loadSkin(skinData, model);
}
if (!model.isValid()) {
LOG_WARNING("NpcManager: invalid model: ", m2Path);
return;
}
// Load external .anim files for sequences without flag 0x20
std::string basePath = m2Path.substr(0, m2Path.size() - 3); // remove ".m2"
for (uint32_t si = 0; si < model.sequences.size(); si++) {
if (!(model.sequences[si].flags & 0x20)) {
char animFileName[256];
snprintf(animFileName, sizeof(animFileName),
"%s%04u-%02u.anim",
basePath.c_str(),
model.sequences[si].id,
model.sequences[si].variationIndex);
auto animFileData = am->readFile(animFileName);
if (!animFileData.empty()) {
pipeline::M2Loader::loadAnimFile(m2Data, animFileData, si, model);
}
}
}
// --- Resolve creature skin textures ---
// Extract model directory: "Creature\Wolf\" from "Creature\Wolf\Wolf.m2"
size_t lastSlash = m2Path.find_last_of("\\/");
std::string modelDir = (lastSlash != std::string::npos)
? m2Path.substr(0, lastSlash + 1) : "";
// Extract model base name: "Wolf" from "Creature\Wolf\Wolf.m2"
std::string modelFileName = (lastSlash != std::string::npos)
? m2Path.substr(lastSlash + 1) : m2Path;
std::string modelBaseName = modelFileName.substr(0, modelFileName.size() - 3); // remove ".m2"
// Log existing texture info
for (size_t ti = 0; ti < model.textures.size(); ti++) {
LOG_INFO("NpcManager: ", m2Path, " tex[", ti, "] type=",
model.textures[ti].type, " file='", model.textures[ti].filename, "'");
}
// Check if any textures need resolution
// Type 11 = creature skin 1, type 12 = creature skin 2, type 13 = creature skin 3
// Type 1 = character body skin (also possible on some creature models)
auto needsResolve = [](uint32_t t) {
return t == 11 || t == 12 || t == 13 || t == 1 || t == 2 || t == 3;
};
bool needsVariants = false;
for (const auto& tex : model.textures) {
if (needsResolve(tex.type) && tex.filename.empty()) {
needsVariants = true;
break;
}
}
if (needsVariants) {
// Try DBC-based lookup first
auto variants = lookupTextureVariants(am, m2Path);
// Fill in unresolved textures from DBC variants
// Creature skin types map: type 11 -> variant[0], type 12 -> variant[1], type 13 -> variant[2]
// Also type 1 -> variant[0] as fallback
for (auto& tex : model.textures) {
if (!needsResolve(tex.type) || !tex.filename.empty()) continue;
// Determine which variant index this texture type maps to
size_t varIdx = 0;
if (tex.type == 11 || tex.type == 1) varIdx = 0;
else if (tex.type == 12 || tex.type == 2) varIdx = 1;
else if (tex.type == 13 || tex.type == 3) varIdx = 2;
std::string resolved;
if (varIdx < variants.size() && !variants[varIdx].empty()) {
// DBC variant: <ModelDir>\<Variant>.blp
resolved = modelDir + variants[varIdx] + ".blp";
if (!am->fileExists(resolved)) {
LOG_WARNING("NpcManager: DBC texture not found: ", resolved);
resolved.clear();
}
}
// Fallback heuristics if DBC didn't provide a texture
if (resolved.empty()) {
// Try <ModelDir>\<ModelName>Skin.blp
std::string skinTry = modelDir + modelBaseName + "Skin.blp";
if (am->fileExists(skinTry)) {
resolved = skinTry;
} else {
// Try <ModelDir>\<ModelName>.blp
std::string altTry = modelDir + modelBaseName + ".blp";
if (am->fileExists(altTry)) {
resolved = altTry;
}
}
}
if (!resolved.empty()) {
tex.filename = resolved;
LOG_INFO("NpcManager: resolved type-", tex.type,
" texture -> '", resolved, "'");
} else {
LOG_WARNING("NpcManager: could not resolve type-", tex.type,
" texture for ", m2Path);
}
}
}
cr->loadModel(model, modelId);
LOG_INFO("NpcManager: loaded model id=", modelId, " path=", m2Path,
" verts=", model.vertices.size(), " bones=", model.bones.size(),
" anims=", model.sequences.size(), " textures=", model.textures.size());
}
std::vector<NpcSpawnDef> NpcManager::loadSpawnDefsFromFile(const std::string& path) const {
std::vector<NpcSpawnDef> out;
std::string resolvedPath;
const std::string candidates[] = {
path,
"./" + path,
"../" + path,
"../../" + path,
"../../../" + path
};
for (const auto& c : candidates) {
if (std::filesystem::exists(c)) {
resolvedPath = c;
break;
}
}
if (resolvedPath.empty()) {
// Try relative to executable location.
std::error_code ec;
std::filesystem::path exe = std::filesystem::read_symlink("/proc/self/exe", ec);
if (!ec) {
std::filesystem::path dir = exe.parent_path();
for (int i = 0; i < 5 && !dir.empty(); i++) {
std::filesystem::path candidate = dir / path;
if (std::filesystem::exists(candidate)) {
resolvedPath = candidate.string();
break;
}
dir = dir.parent_path();
}
}
}
if (resolvedPath.empty()) {
LOG_WARNING("NpcManager: spawn CSV not found at ", path, " (or nearby relative paths)");
return out;
}
std::ifstream in(resolvedPath);
if (!in.is_open()) return out;
std::string line;
int lineNo = 0;
while (std::getline(in, line)) {
lineNo++;
line = trim(line);
if (line.empty() || line[0] == '#') continue;
std::vector<std::string> cols;
std::stringstream ss(line);
std::string tok;
while (std::getline(ss, tok, ',')) {
cols.push_back(trim(tok));
}
if (cols.size() != 11 && cols.size() != 12) {
LOG_WARNING("NpcManager: bad NPC CSV row at ", resolvedPath, ":", lineNo,
" (expected 11 or 12 columns)");
continue;
}
try {
NpcSpawnDef def;
def.mapName = cols[0];
def.name = cols[1];
def.m2Path = cols[2];
def.level = static_cast<uint32_t>(std::stoul(cols[3]));
def.health = static_cast<uint32_t>(std::stoul(cols[4]));
def.canonicalPosition.x = std::stof(cols[5]);
def.canonicalPosition.y = std::stof(cols[6]);
def.canonicalPosition.z = std::stof(cols[7]);
def.rotation = std::stof(cols[8]);
def.scale = std::stof(cols[9]);
def.isCritter = (cols[10] == "1" || toLowerStr(cols[10]) == "true");
if (cols.size() == 12) {
std::string space = toLowerStr(cols[11]);
def.inputIsServerCoords = (space == "server" || space == "wire");
}
if (def.mapName.empty() || def.name.empty() || def.m2Path.empty()) continue;
out.push_back(std::move(def));
} catch (const std::exception&) {
LOG_WARNING("NpcManager: failed parsing NPC CSV row at ", resolvedPath, ":", lineNo);
}
}
LOG_INFO("NpcManager: loaded ", out.size(), " spawn defs from ", resolvedPath);
return out;
}
std::vector<NpcSpawnDef> NpcManager::loadSpawnDefsFromAzerothCoreDb(
const std::string& basePath,
const std::string& mapName,
const glm::vec3& playerCanonical,
pipeline::AssetManager* am) const {
std::vector<NpcSpawnDef> out;
if (!am) return out;
std::filesystem::path base(basePath);
std::filesystem::path creaturePath = base / "creature.sql";
std::filesystem::path tmplPath = base / "creature_template.sql";
if (!std::filesystem::exists(creaturePath) || !std::filesystem::exists(tmplPath)) {
// Allow passing .../sql or repo root as WOW_DB_BASE_PATH.
std::filesystem::path alt = base / "base";
if (std::filesystem::exists(alt / "creature.sql") && std::filesystem::exists(alt / "creature_template.sql")) {
base = alt;
creaturePath = base / "creature.sql";
tmplPath = base / "creature_template.sql";
} else {
alt = base / "sql" / "base";
if (std::filesystem::exists(alt / "creature.sql") && std::filesystem::exists(alt / "creature_template.sql")) {
base = alt;
creaturePath = base / "creature.sql";
tmplPath = base / "creature_template.sql";
}
}
}
if (!std::filesystem::exists(creaturePath) || !std::filesystem::exists(tmplPath)) {
return out;
}
struct TemplateRow {
std::string name;
uint32_t level = 1;
uint32_t health = 100;
std::string m2Path;
};
std::unordered_map<uint32_t, TemplateRow> templates;
// Build displayId -> modelId lookup.
std::unordered_map<uint32_t, uint32_t> displayToModel;
if (auto cdi = am->loadDBC("CreatureDisplayInfo.dbc"); cdi && cdi->isLoaded()) {
for (uint32_t i = 0; i < cdi->getRecordCount(); i++) {
displayToModel[cdi->getUInt32(i, 0)] = cdi->getUInt32(i, 1);
}
}
std::unordered_map<uint32_t, std::string> modelToPath;
if (auto cmd = am->loadDBC("CreatureModelData.dbc"); cmd && cmd->isLoaded()) {
for (uint32_t i = 0; i < cmd->getRecordCount(); i++) {
std::string mdx = cmd->getString(i, 2);
if (mdx.empty()) continue;
std::string p = mdx;
if (p.size() >= 4) p = p.substr(0, p.size() - 4) + ".m2";
modelToPath[cmd->getUInt32(i, 0)] = p;
}
}
auto processInsertStatements =
[](std::ifstream& in, const std::function<bool(const std::vector<std::string>&)>& onTuple) {
std::string line;
std::string stmt;
std::vector<std::string> tuples;
while (std::getline(in, line)) {
if (stmt.empty()) {
// Skip non-INSERT lines early.
if (line.find("INSERT INTO") == std::string::npos &&
line.find("insert into") == std::string::npos) {
continue;
}
}
if (!stmt.empty()) stmt.push_back('\n');
stmt += line;
if (line.find(';') == std::string::npos) continue;
if (parseInsertTuples(stmt, tuples)) {
for (const auto& t : tuples) {
if (!onTuple(splitCsvTuple(t))) {
return;
}
}
}
stmt.clear();
}
};
// Parse creature_template.sql: entry, modelid1(displayId), name, minlevel.
{
std::ifstream in(tmplPath);
processInsertStatements(in, [&](const std::vector<std::string>& cols) {
if (cols.size() < 16) return true;
try {
uint32_t entry = static_cast<uint32_t>(std::stoul(cols[0]));
uint32_t displayId = static_cast<uint32_t>(std::stoul(cols[6]));
std::string name = unquoteSqlString(cols[10]);
uint32_t minLevel = static_cast<uint32_t>(std::stoul(cols[14]));
TemplateRow tr;
tr.name = name.empty() ? ("Creature " + std::to_string(entry)) : name;
tr.level = std::max(1u, minLevel);
tr.health = 150 + tr.level * 35;
auto itModel = displayToModel.find(displayId);
if (itModel != displayToModel.end()) {
auto itPath = modelToPath.find(itModel->second);
if (itPath != modelToPath.end()) tr.m2Path = itPath->second;
}
templates[entry] = std::move(tr);
} catch (const std::exception&) {
}
return true;
});
}
int targetMap = mapNameToId(mapName);
constexpr float kRadius = 2200.0f;
constexpr size_t kMaxSpawns = 220;
std::ifstream in(creaturePath);
processInsertStatements(in, [&](const std::vector<std::string>& cols) {
if (cols.size() < 16) return true;
try {
uint32_t entry = static_cast<uint32_t>(std::stoul(cols[1]));
int mapId = static_cast<int>(std::stol(cols[2]));
if (mapId != targetMap) return true;
float sx = std::stof(cols[7]);
float sy = std::stof(cols[8]);
float sz = std::stof(cols[9]);
float o = std::stof(cols[10]);
uint32_t curhealth = static_cast<uint32_t>(std::stoul(cols[14]));
// AzerothCore DB uses client/canonical coordinates.
glm::vec3 canonical = glm::vec3(sx, sy, sz);
float dx = canonical.x - playerCanonical.x;
float dy = canonical.y - playerCanonical.y;
if (dx * dx + dy * dy > kRadius * kRadius) return true;
NpcSpawnDef def;
def.mapName = mapName;
auto it = templates.find(entry);
if (it != templates.end()) {
def.entry = entry;
def.name = it->second.name;
def.level = it->second.level;
def.health = std::max(it->second.health, curhealth);
def.m2Path = it->second.m2Path;
} else {
def.entry = entry;
def.name = "Creature " + std::to_string(entry);
def.level = 1;
def.health = std::max(100u, curhealth);
}
if (def.m2Path.empty()) {
def.m2Path = "Creature\\HumanMalePeasant\\HumanMalePeasant.m2";
}
def.canonicalPosition = canonical;
def.inputIsServerCoords = false;
def.rotation = o;
def.scale = 1.0f;
def.isCritter = (def.level <= 1 || def.health <= 50);
out.push_back(std::move(def));
if (out.size() >= kMaxSpawns) return false;
} catch (const std::exception&) {
}
return true;
});
LOG_INFO("NpcManager: loaded ", out.size(), " nearby creature spawns from AzerothCore DB at ", basePath);
return out;
}
void NpcManager::initialize(pipeline::AssetManager* am,
rendering::CharacterRenderer* cr,
EntityManager& em,
const std::string& mapName,
const glm::vec3& playerCanonical,
const rendering::TerrainManager* terrainManager) {
if (!am || !am->isInitialized() || !cr) {
LOG_WARNING("NpcManager: cannot initialize — missing AssetManager or CharacterRenderer");
return;
}
float globalDx = 0.0f;
float globalDy = 0.0f;
bool hasGlobalOffset = parseVec2Csv(std::getenv("WOW_NPC_OFFSET"), globalDx, globalDy);
float globalRotDeg = 0.0f;
parseFloatEnv(std::getenv("WOW_NPC_ROT_DEG"), globalRotDeg);
bool swapXY = false;
if (const char* swap = std::getenv("WOW_NPC_SWAP_XY")) {
std::string v = toLowerStr(trim(swap));
swapXY = (v == "1" || v == "true" || v == "yes");
}
float pivotX = playerCanonical.x;
float pivotY = playerCanonical.y;
parseVec2Csv(std::getenv("WOW_NPC_PIVOT"), pivotX, pivotY);
if (hasGlobalOffset || swapXY || std::abs(globalRotDeg) > 0.001f) {
LOG_INFO("NpcManager: transform overrides swapXY=", swapXY,
" rotDeg=", globalRotDeg,
" pivot=(", pivotX, ", ", pivotY, ")",
" offset=(", globalDx, ", ", globalDy, ")");
}
std::vector<NpcSpawnDef> spawnDefs;
std::string dbBasePath;
if (const char* dbBase = std::getenv("WOW_DB_BASE_PATH")) {
dbBasePath = dbBase;
} else if (std::filesystem::exists("assets/sql")) {
dbBasePath = "assets/sql";
}
if (!dbBasePath.empty()) {
auto dbDefs = loadSpawnDefsFromAzerothCoreDb(dbBasePath, mapName, playerCanonical, am);
if (!dbDefs.empty()) spawnDefs = std::move(dbDefs);
}
if (spawnDefs.empty()) {
LOG_WARNING("NpcManager: no spawn defs found (DB required for single-player)");
}
// Spawn only nearby placements on current map.
std::vector<const NpcSpawnDef*> active;
active.reserve(spawnDefs.size());
constexpr float kSpawnRadius = 2200.0f;
int mapSkipped = 0;
for (const auto& s : spawnDefs) {
if (!mapNamesEquivalent(mapName, s.mapName)) {
mapSkipped++;
continue;
}
glm::vec3 c = toCanonicalSpawn(s, swapXY, globalRotDeg, pivotX, pivotY, globalDx, globalDy);
float distX = c.x - playerCanonical.x;
float distY = c.y - playerCanonical.y;
if (distX * distX + distY * distY > kSpawnRadius * kSpawnRadius) continue;
active.push_back(&s);
}
if (active.empty()) {
LOG_INFO("NpcManager: no static NPC placements near player on map ", mapName,
" (mapSkipped=", mapSkipped, ")");
return;
}
// Load each unique M2 model once
for (const auto* s : active) {
const std::string path = s->m2Path;
if (loadedModels.find(path) == loadedModels.end()) {
uint32_t mid = nextModelId++;
loadCreatureModel(am, cr, path, mid);
loadedModels[path] = mid;
}
}
// Spawn each NPC instance
for (const auto* sPtr : active) {
const auto& s = *sPtr;
const std::string path = s.m2Path;
auto it = loadedModels.find(path);
if (it == loadedModels.end()) continue; // model failed to load
uint32_t modelId = it->second;
glm::vec3 canonical = toCanonicalSpawn(s, swapXY, globalRotDeg, pivotX, pivotY, globalDx, globalDy);
glm::vec3 glPos = core::coords::canonicalToRender(canonical);
// Keep authored indoor Z for named NPCs; terrain snap is mainly for critters/outdoor fauna.
if (terrainManager && s.isCritter) {
if (auto h = terrainManager->getHeightAt(glPos.x, glPos.y)) {
glPos.z = *h + 0.05f;
}
}
// Create render instance
uint32_t instanceId = cr->createInstance(modelId, glPos,
glm::vec3(0.0f, 0.0f, s.rotation), s.scale);
if (instanceId == 0) {
LOG_WARNING("NpcManager: failed to create instance for ", s.name);
continue;
}
// Play idle animation (anim ID 0)
cr->playAnimation(instanceId, 0, true);
// Assign unique GUID
uint64_t guid = nextGuid++;
// Create entity in EntityManager
auto unit = std::make_shared<Unit>(guid);
unit->setName(s.name);
unit->setLevel(s.level);
unit->setHealth(s.health);
unit->setMaxHealth(s.health);
if (s.entry != 0) {
unit->setEntry(s.entry);
}
// Store canonical WoW coordinates for targeting/server compatibility
glm::vec3 spawnCanonical = core::coords::renderToCanonical(glPos);
unit->setPosition(spawnCanonical.x, spawnCanonical.y, spawnCanonical.z, s.rotation);
em.addEntity(guid, unit);
// Track NPC instance
NpcInstance npc{};
npc.guid = guid;
npc.renderInstanceId = instanceId;
npc.emoteTimer = randomFloat(5.0f, 15.0f);
npc.emoteEndTimer = 0.0f;
npc.isEmoting = false;
npc.isCritter = s.isCritter;
npcs.push_back(npc);
LOG_INFO("NpcManager: spawned '", s.name, "' guid=0x", std::hex, guid, std::dec,
" at GL(", glPos.x, ",", glPos.y, ",", glPos.z, ")");
}
LOG_INFO("NpcManager: initialized ", npcs.size(), " NPCs with ",
loadedModels.size(), " unique models");
}
uint32_t NpcManager::findRenderInstanceId(uint64_t guid) const {
for (const auto& npc : npcs) {
if (npc.guid == guid) return npc.renderInstanceId;
}
return 0;
}
void NpcManager::update(float deltaTime, rendering::CharacterRenderer* cr) {
if (!cr) return;
for (auto& npc : npcs) {
// Critters just idle — no emotes
if (npc.isCritter) continue;
if (npc.isEmoting) {
npc.emoteEndTimer -= deltaTime;
if (npc.emoteEndTimer <= 0.0f) {
// Return to idle
cr->playAnimation(npc.renderInstanceId, 0, true);
npc.isEmoting = false;
npc.emoteTimer = randomFloat(5.0f, 15.0f);
}
} else {
npc.emoteTimer -= deltaTime;
if (npc.emoteTimer <= 0.0f) {
// Play random emote
int idx = static_cast<int>(randomFloat(0.0f, static_cast<float>(NUM_EMOTE_ANIMS) - 0.01f));
uint32_t emoteAnim = EMOTE_ANIMS[idx];
cr->playAnimation(npc.renderInstanceId, emoteAnim, false);
npc.isEmoting = true;
npc.emoteEndTimer = randomFloat(2.0f, 4.0f);
}
}
}
}
} // namespace game
} // namespace wowee