cs_mmaps.cpp

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "ScriptMgr.h"
#include "CellImpl.h"
#include "Chat.h"
#include "ChatCommand.h"
#include "DisableMgr.h"
#include "GridNotifiersImpl.h"
#include "MMapManager.h"
#include "PathGenerator.h"
#include "PhasingHandler.h"
#include "Player.h"
#include "PointMovementGenerator.h"
#include "RBAC.h"
#include "WorldSession.h"
 
#if TRINITY_COMPILER == TRINITY_COMPILER_GNU
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
 
using namespace Trinity::ChatCommands;
 
class mmaps_commandscript : public CommandScript
{
public:
    mmaps_commandscript() : CommandScript("mmaps_commandscript") { }
 
    std::span<ChatCommandBuilder const> GetCommands() const override
    {
        static ChatCommandTable mmapCommandTable =
        {
            { "loadedtiles", rbac::RBAC_PERM_COMMAND_MMAP_LOADEDTILES, false, &HandleMmapLoadedTilesCommand, "" },
            { "loc",         rbac::RBAC_PERM_COMMAND_MMAP_LOC,         false, &HandleMmapLocCommand,         "" },
            { "path",        rbac::RBAC_PERM_COMMAND_MMAP_PATH,        false, &HandleMmapPathCommand,        "" },
            { "stats",       rbac::RBAC_PERM_COMMAND_MMAP_STATS,       false, &HandleMmapStatsCommand,       "" },
            { "testarea",    rbac::RBAC_PERM_COMMAND_MMAP_TESTAREA,    false, &HandleMmapTestArea,           "" },
        };
 
        static ChatCommandTable commandTable =
        {
            { "mmap", rbac::RBAC_PERM_COMMAND_MMAP, true, nullptr, "", mmapCommandTable },
        };
        return commandTable;
    }
 
    static bool HandleMmapPathCommand(ChatHandler* handler, char const* args)
    {
        Player* player = handler->GetSession()->GetPlayer();
        if (!MMAP::MMapManager::instance()->GetNavMesh(player->GetMapId(), player->GetInstanceId()))
        {
            handler->PSendSysMessage("NavMesh not loaded for current map.");
            return true;
        }
 
        handler->PSendSysMessage("mmap path:");
 
        // units
        Unit* target = handler->getSelectedUnit();
        if (!player || !target)
        {
            handler->PSendSysMessage("Invalid target/source selection.");
            return true;
        }
 
        char* para = strtok((char*)args, " ");
 
        bool useStraightPath = false;
        if (para && strcmp(para, "true") == 0)
            useStraightPath = true;
 
        bool useRaycast = false;
        if (para && (strcmp(para, "line") == 0 || strcmp(para, "ray") == 0 || strcmp(para, "raycast") == 0))
            useRaycast = true;
 
        // unit locations
        float x, y, z;
        player->GetPosition(x, y, z);
 
        // path
        PathGenerator path(target);
        path.SetUseStraightPath(useStraightPath);
        path.SetUseRaycast(useRaycast);
        bool result = path.CalculatePath(x, y, z, false);
 
        Movement::PointsArray const& pointPath = path.GetPath();
        handler->PSendSysMessage("%s's path to %s:", target->GetName().c_str(), player->GetName().c_str());
        handler->PSendSysMessage("Building: %s", useStraightPath ? "StraightPath" : useRaycast ? "Raycast" : "SmoothPath");
        handler->PSendSysMessage("Result: %s - Length: %zu - Type: %u", (result ? "true" : "false"), pointPath.size(), path.GetPathType());
 
        G3D::Vector3 const& start = path.GetStartPosition();
        G3D::Vector3 const& end = path.GetEndPosition();
        G3D::Vector3 const& actualEnd = path.GetActualEndPosition();
 
        handler->PSendSysMessage("StartPosition     (%.3f, %.3f, %.3f)", start.x, start.y, start.z);
        handler->PSendSysMessage("EndPosition       (%.3f, %.3f, %.3f)", end.x, end.y, end.z);
        handler->PSendSysMessage("ActualEndPosition (%.3f, %.3f, %.3f)", actualEnd.x, actualEnd.y, actualEnd.z);
 
        if (!player->IsGameMaster())
            handler->PSendSysMessage("Enable GM mode to see the path points.");
 
        for (uint32 i = 0; i < pointPath.size(); ++i)
            player->SummonCreature(VISUAL_WAYPOINT, pointPath[i].x, pointPath[i].y, pointPath[i].z, 0, TEMPSUMMON_TIMED_DESPAWN, 9s);
 
        return true;
    }
 
    static bool HandleMmapLocCommand(ChatHandler* handler, char const* /*args*/)
    {
        handler->PSendSysMessage("mmap tileloc:");
 
        // grid tile location
        Player* player = handler->GetSession()->GetPlayer();
 
        int32 gx = 32 - player->GetPositionX() / SIZE_OF_GRIDS;
        int32 gy = 32 - player->GetPositionY() / SIZE_OF_GRIDS;
 
        float x, y, z;
        player->GetPosition(x, y, z);
 
        // calculate navmesh tile location
        uint32 terrainMapId = PhasingHandler::GetTerrainMapId(player->GetPhaseShift(), player->GetMapId(), player->GetMap()->GetTerrain(), x, y);
 
        handler->PSendSysMessage("%04u_%02i_%02i.mmtile", terrainMapId, gx, gy);
        handler->PSendSysMessage("tileloc [%i, %i]", gy, gx);
 
        dtNavMesh const* navmesh = MMAP::MMapManager::instance()->GetNavMesh(terrainMapId, player->GetInstanceId());
        dtNavMeshQuery const* navmeshquery = MMAP::MMapManager::instance()->GetNavMeshQuery(terrainMapId, player->GetMapId(), player->GetInstanceId());
        if (!navmesh || !navmeshquery)
        {
            handler->PSendSysMessage("NavMesh not loaded for current map.");
            return true;
        }
 
        float const* min = navmesh->getParams()->orig;
        float location[VERTEX_SIZE] = { y, z, x };
        float extents[VERTEX_SIZE] = { 3.0f, 5.0f, 3.0f };
 
        int32 tilex = int32((y - min[0]) / SIZE_OF_GRIDS);
        int32 tiley = int32((x - min[2]) / SIZE_OF_GRIDS);
 
        handler->PSendSysMessage("Calc   [%02i, %02i]", tilex, tiley);
 
        // navmesh poly -> navmesh tile location
        dtQueryFilter filter = dtQueryFilter();
        dtPolyRef polyRef = INVALID_POLYREF;
        if (dtStatusFailed(navmeshquery->findNearestPoly(location, extents, &filter, &polyRef, nullptr)))
        {
            handler->PSendSysMessage("Dt     [??,??] (invalid poly, probably no tile loaded)");
            return true;
        }
 
        if (polyRef == INVALID_POLYREF)
            handler->PSendSysMessage("Dt     [??, ??] (invalid poly, probably no tile loaded)");
        else
        {
            dtMeshTile const* tile;
            dtPoly const* poly;
            if (dtStatusSucceed(navmesh->getTileAndPolyByRef(polyRef, &tile, &poly)))
            {
                if (tile)
                {
                    handler->PSendSysMessage("Dt     [%02i,%02i]", tile->header->x, tile->header->y);
                    return true;
                }
            }
 
            handler->PSendSysMessage("Dt     [??,??] (no tile loaded)");
        }
 
        return true;
    }
 
    static bool HandleMmapLoadedTilesCommand(ChatHandler* handler, char const* /*args*/)
    {
        Player* player = handler->GetSession()->GetPlayer();
        uint32 terrainMapId = PhasingHandler::GetTerrainMapId(player->GetPhaseShift(), player->GetMapId(), player->GetMap()->GetTerrain(), player->GetPositionX(), player->GetPositionY());
        dtNavMesh const* navmesh = MMAP::MMapManager::instance()->GetNavMesh(terrainMapId, player->GetInstanceId());
        dtNavMeshQuery const* navmeshquery = MMAP::MMapManager::instance()->GetNavMeshQuery(terrainMapId, player->GetMapId(), player->GetInstanceId());
        if (!navmesh || !navmeshquery)
        {
            handler->PSendSysMessage("NavMesh not loaded for current map.");
            return true;
        }
 
        handler->PSendSysMessage("mmap loadedtiles:");
 
        for (int32 i = 0; i < navmesh->getMaxTiles(); ++i)
        {
            dtMeshTile const* tile = navmesh->getTile(i);
            if (!tile || !tile->header)
                continue;
 
            handler->PSendSysMessage("[%02i, %02i]", tile->header->x, tile->header->y);
        }
 
        return true;
    }
 
    static bool HandleMmapStatsCommand(ChatHandler* handler, char const* /*args*/)
    {
        Player* player = handler->GetSession()->GetPlayer();
        uint32 terrainMapId = PhasingHandler::GetTerrainMapId(player->GetPhaseShift(), player->GetMapId(), player->GetMap()->GetTerrain(), player->GetPositionX(), player->GetPositionY());
        handler->PSendSysMessage("mmap stats:");
        handler->PSendSysMessage("  global mmap pathfinding is %sabled", DisableMgr::IsPathfindingEnabled(player->GetMapId()) ? "en" : "dis");
 
        MMAP::MMapManager* manager = MMAP::MMapManager::instance();
        handler->PSendSysMessage(" %u maps loaded with %u tiles overall", manager->getLoadedMapsCount(), manager->getLoadedTilesCount());
 
        dtNavMesh const* navmesh = manager->GetNavMesh(terrainMapId, player->GetInstanceId());
        if (!navmesh)
        {
            handler->PSendSysMessage("NavMesh not loaded for current map.");
            return true;
        }
 
        uint32 tileCount = 0;
        uint32 nodeCount = 0;
        uint32 polyCount = 0;
        uint32 vertCount = 0;
        uint32 triCount = 0;
        uint32 triVertCount = 0;
        uint32 dataSize = 0;
        for (int32 i = 0; i < navmesh->getMaxTiles(); ++i)
        {
            dtMeshTile const* tile = navmesh->getTile(i);
            if (!tile || !tile->header)
                continue;
 
            tileCount++;
            nodeCount += tile->header->bvNodeCount;
            polyCount += tile->header->polyCount;
            vertCount += tile->header->vertCount;
            triCount += tile->header->detailTriCount;
            triVertCount += tile->header->detailVertCount;
            dataSize += tile->dataSize;
        }
 
        handler->PSendSysMessage("Navmesh stats:");
        handler->PSendSysMessage(" %u tiles loaded", tileCount);
        handler->PSendSysMessage(" %u BVTree nodes", nodeCount);
        handler->PSendSysMessage(" %u polygons (%u vertices)", polyCount, vertCount);
        handler->PSendSysMessage(" %u triangles (%u vertices)", triCount, triVertCount);
        handler->PSendSysMessage(" %.2f MB of data (not including pointers)", ((float)dataSize / sizeof(unsigned char)) / 1048576);
 
        return true;
    }
 
    static bool HandleMmapTestArea(ChatHandler* handler, char const* /*args*/)
    {
        float radius = 40.0f;
        WorldObject* object = handler->GetSession()->GetPlayer();
 
        // Get Creatures
        std::list<Creature*> creatureList;
        Trinity::AnyUnitInObjectRangeCheck go_check(object, radius);
        Trinity::CreatureListSearcher<Trinity::AnyUnitInObjectRangeCheck> go_search(object, creatureList, go_check);
        Cell::VisitGridObjects(object, go_search, radius);
 
        if (!creatureList.empty())
        {
            handler->PSendSysMessage("Found %zu Creatures.", creatureList.size());
 
            uint32 paths = 0;
            uint32 uStartTime = getMSTime();
 
            float gx, gy, gz;
            object->GetPosition(gx, gy, gz);
            for (std::list<Creature*>::iterator itr = creatureList.begin(); itr != creatureList.end(); ++itr)
            {
                PathGenerator path(*itr);
                path.CalculatePath(gx, gy, gz);
                ++paths;
            }
 
            uint32 uPathLoadTime = getMSTimeDiff(uStartTime, getMSTime());
            handler->PSendSysMessage("Generated %i paths in %i ms", paths, uPathLoadTime);
        }
        else
            handler->PSendSysMessage("No creatures in %f yard range.", radius);
 
        return true;
    }
};
 
void AddSC_mmaps_commandscript()
{
    new mmaps_commandscript();
}