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feat(editor): WMO-only instance loading (Dire Maul, dungeons, raids)

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Many WoW instances (Dire Maul, Blackrock Depths, etc.) are WMO-only
maps with no ADT terrain tiles. The editor now handles these:

- loadWMOInstance(): reads WDT, detects WDTF_GLOBAL_WMO flag, loads
  the root WMO path from MWMO chunk, places it as an object with
  correct position/rotation from MODF chunk
- Automatic fallback: when loadADT fails to find tiles, tries
  WMO-only loading before showing error
- Load dialog: "Find Tile" detects WMO-only instances and shows
  "WMO-only instance — click Load to open" instead of "not found"
- Camera positioned near the WMO for immediate editing
- Blank terrain floor generated as ground reference
This commit is contained in:
Kelsi 2026-05-05 22:44:38 -07:00
parent 072d0f78c2
commit d773109b50
3 changed files with 71 additions and 1 deletions
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62
tools/editor/editor_app.cpp
View file

@ -15,6 +15,7 @@
#include <nlohmann/json.hpp>
#include "rendering/vk_context.hpp"
#include "pipeline/adt_loader.hpp"
#include "pipeline/wdt_loader.hpp"
#include "pipeline/terrain_mesh.hpp"
#include "core/logger.hpp"
#include <imgui.h>
@ -663,6 +664,65 @@ void EditorApp::refreshDirtyChunks() {
viewport_.loadTerrain(mesh, terrain_.textures, loadedTileX_, loadedTileY_);
}
bool EditorApp::loadWMOInstance(const std::string& mapName) {
std::string mapLower = mapName;
std::transform(mapLower.begin(), mapLower.end(), mapLower.begin(),
[](unsigned char c) { return std::tolower(c); });
std::string wdtPath = "world\\maps\\" + mapLower + "\\" + mapLower + ".wdt";
auto wdtData = assetManager_->readFile(wdtPath);
if (wdtData.empty()) return false;
auto wdtInfo = pipeline::parseWDT(wdtData);
if (!wdtInfo.isWMOOnly() || wdtInfo.rootWMOPath.empty()) return false;
LOG_INFO("WMO-only instance: ", mapName, " root=", wdtInfo.rootWMOPath);
clearAllObjects();
questEditor_.clear();
ui_.clearPath();
viewport_.clearTerrain();
// Create blank terrain as a floor reference
terrain_ = TerrainEditor::createBlankTerrain(32, 32, 0.0f, Biome::Rocky);
terrain_.coord = {32, 32};
terrainEditor_.setTerrain(&terrain_);
texturePainter_.setTerrain(&terrain_);
objectPlacer_.setTerrain(&terrain_);
auto mesh = pipeline::TerrainMeshGenerator::generate(terrain_);
viewport_.loadTerrain(mesh, terrain_.textures, 32, 32);
// Place the root WMO as an object
glm::vec3 wmoPos = core::coords::adtToWorld(
wdtInfo.position[0], wdtInfo.position[1], wdtInfo.position[2]);
glm::vec3 wmoRot(-wdtInfo.rotation[2], -wdtInfo.rotation[0],
wdtInfo.rotation[1] + 180.0f);
PlacedObject wmo;
wmo.type = PlaceableType::WMO;
wmo.path = wdtInfo.rootWMOPath;
wmo.position = wmoPos;
wmo.rotation = wmoRot;
wmo.scale = 1.0f;
wmo.uniqueId = 1;
objectPlacer_.getObjects().push_back(wmo);
objectsDirty_ = true;
loadedMap_ = mapName;
loadedTileX_ = 32;
loadedTileY_ = 32;
// Position camera near the WMO
camera_.setPosition(wmoPos + glm::vec3(0, 0, 50));
camera_.setYawPitch(0.0f, -30.0f);
showToast("WMO instance loaded: " + mapName);
LOG_INFO("WMO instance loaded: ", mapName, " at (",
wmoPos.x, ",", wmoPos.y, ",", wmoPos.z, ")");
return true;
}
void EditorApp::loadADT(const std::string& mapName, int tileX, int tileY) {
// Clear previous state before loading new tile
clearAllObjects();
@ -690,6 +750,8 @@ void EditorApp::loadADT(const std::string& mapName, int tileX, int tileY) {
auto adtData = assetManager_->readFile(path.str());
if (adtData.empty()) {
// Try WMO-only instance (dungeons like Dire Maul have no ADT tiles)
if (loadWMOInstance(mapName)) return;
LOG_ERROR("ADT file not found: ", path.str());
showToast("Zone not found: " + mapName + " [" + std::to_string(tileX) + "," + std::to_string(tileY) + "]");
return;