mirror of
https://github.com/TrinityCore/TrinityCore.git
synced 2026-01-16 07:30:42 +01:00
379 lines
13 KiB
C++
379 lines
13 KiB
C++
/*
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* This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <iostream>
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#include <iomanip>
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#include <string>
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#include <sstream>
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#include "VMapManager2.h"
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#include "MapTree.h"
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#include "ModelInstance.h"
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#include "WorldModel.h"
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#include <G3D/Vector3.h>
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#include "Log.h"
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#include "VMapDefinitions.h"
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#include "Errors.h"
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using G3D::Vector3;
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namespace VMAP
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{
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bool readChunk(FILE* rf, char* dest, const char* compare, uint32 len)
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{
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if (fread(dest, sizeof(char), len, rf) != len) return false;
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return memcmp(dest, compare, len) == 0;
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}
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VMapManager2::VMapManager2()
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{
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GetLiquidFlagsPtr = &GetLiquidFlagsDummy;
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IsVMAPDisabledForPtr = &IsVMAPDisabledForDummy;
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thread_safe_environment = true;
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}
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VMapManager2::~VMapManager2()
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{
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for (auto i = iInstanceMapTrees.begin(); i != iInstanceMapTrees.end(); ++i)
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delete i->second;
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for (auto i = iLoadedModelFiles.begin(); i != iLoadedModelFiles.end(); ++i)
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delete i->second.getModel();
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}
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InstanceTreeMap::const_iterator VMapManager2::GetMapTree(uint32 mapId) const
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{
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// return the iterator if found or end() if not found/NULL
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auto itr = iInstanceMapTrees.find(mapId);
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if (itr != iInstanceMapTrees.cend() && !itr->second)
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itr = iInstanceMapTrees.cend();
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return itr;
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}
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void VMapManager2::InitializeThreadUnsafe(std::unordered_map<uint32, std::vector<uint32>> const& mapData)
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{
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// the caller must pass the list of all mapIds that will be used in the VMapManager2 lifetime
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iChildMapData = mapData;
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for (std::pair<uint32 const, std::vector<uint32>> const& mapId : mapData)
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{
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iInstanceMapTrees.insert(InstanceTreeMap::value_type(mapId.first, nullptr));
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for (uint32 childMapId : mapId.second)
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iParentMapData[childMapId] = mapId.first;
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}
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thread_safe_environment = false;
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}
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Vector3 VMapManager2::convertPositionToInternalRep(float x, float y, float z) const
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{
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Vector3 pos;
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const float mid = 0.5f * 64.0f * 533.33333333f;
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pos.x = mid - x;
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pos.y = mid - y;
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pos.z = z;
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return pos;
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}
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// move to MapTree too?
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std::string VMapManager2::getMapFileName(unsigned int mapId)
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{
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std::stringstream fname;
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fname.width(4);
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fname << std::setfill('0') << mapId << std::string(MAP_FILENAME_EXTENSION2);
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return fname.str();
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}
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int VMapManager2::loadMap(const char* basePath, unsigned int mapId, int x, int y)
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{
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int result = VMAP_LOAD_RESULT_IGNORED;
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if (isMapLoadingEnabled())
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{
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if (loadSingleMap(mapId, basePath, x, y))
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{
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result = VMAP_LOAD_RESULT_OK;
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auto childMaps = iChildMapData.find(mapId);
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if (childMaps != iChildMapData.end())
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for (uint32 childMapId : childMaps->second)
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if (!loadSingleMap(childMapId, basePath, x, y))
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result = VMAP_LOAD_RESULT_ERROR;
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}
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else
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result = VMAP_LOAD_RESULT_ERROR;
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}
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return result;
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}
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// load one tile (internal use only)
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bool VMapManager2::loadSingleMap(uint32 mapId, const std::string& basePath, uint32 tileX, uint32 tileY)
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{
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auto instanceTree = iInstanceMapTrees.find(mapId);
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if (instanceTree == iInstanceMapTrees.end())
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{
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if (thread_safe_environment)
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instanceTree = iInstanceMapTrees.insert(InstanceTreeMap::value_type(mapId, nullptr)).first;
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else
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ASSERT(false, "Invalid mapId %u tile [%u, %u] passed to VMapManager2 after startup in thread unsafe environment",
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mapId, tileX, tileY);
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}
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if (!instanceTree->second)
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{
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std::string mapFileName = getMapFileName(mapId);
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StaticMapTree* newTree = new StaticMapTree(mapId, basePath);
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if (!newTree->InitMap(mapFileName))
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{
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delete newTree;
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return false;
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}
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instanceTree->second = newTree;
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}
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return instanceTree->second->LoadMapTile(tileX, tileY, this);
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}
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void VMapManager2::unloadMap(unsigned int mapId, int x, int y)
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{
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auto childMaps = iChildMapData.find(mapId);
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if (childMaps != iChildMapData.end())
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for (uint32 childMapId : childMaps->second)
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unloadSingleMap(childMapId, x, y);
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unloadSingleMap(mapId, x, y);
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}
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void VMapManager2::unloadSingleMap(uint32 mapId, int x, int y)
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{
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auto instanceTree = iInstanceMapTrees.find(mapId);
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if (instanceTree != iInstanceMapTrees.end() && instanceTree->second)
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{
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instanceTree->second->UnloadMapTile(x, y, this);
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if (instanceTree->second->numLoadedTiles() == 0)
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{
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delete instanceTree->second;
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instanceTree->second = nullptr;
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}
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}
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}
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void VMapManager2::unloadMap(unsigned int mapId)
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{
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auto childMaps = iChildMapData.find(mapId);
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if (childMaps != iChildMapData.end())
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for (uint32 childMapId : childMaps->second)
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unloadSingleMap(childMapId);
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unloadSingleMap(mapId);
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}
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void VMapManager2::unloadSingleMap(uint32 mapId)
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{
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auto instanceTree = iInstanceMapTrees.find(mapId);
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if (instanceTree != iInstanceMapTrees.end() && instanceTree->second)
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{
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instanceTree->second->UnloadMap(this);
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if (instanceTree->second->numLoadedTiles() == 0)
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{
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delete instanceTree->second;
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instanceTree->second = nullptr;
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}
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}
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}
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bool VMapManager2::isInLineOfSight(unsigned int mapId, float x1, float y1, float z1, float x2, float y2, float z2, ModelIgnoreFlags ignoreFlags)
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{
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if (!isLineOfSightCalcEnabled() || IsVMAPDisabledForPtr(mapId, VMAP_DISABLE_LOS))
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return true;
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auto instanceTree = GetMapTree(mapId);
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if (instanceTree != iInstanceMapTrees.end())
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{
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Vector3 pos1 = convertPositionToInternalRep(x1, y1, z1);
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Vector3 pos2 = convertPositionToInternalRep(x2, y2, z2);
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if (pos1 != pos2)
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return instanceTree->second->isInLineOfSight(pos1, pos2, ignoreFlags);
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}
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return true;
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}
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/**
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get the hit position and return true if we hit something
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otherwise the result pos will be the dest pos
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*/
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bool VMapManager2::getObjectHitPos(unsigned int mapId, float x1, float y1, float z1, float x2, float y2, float z2, float& rx, float &ry, float& rz, float modifyDist)
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{
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if (isLineOfSightCalcEnabled() && !IsVMAPDisabledForPtr(mapId, VMAP_DISABLE_LOS))
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{
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auto instanceTree = GetMapTree(mapId);
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if (instanceTree != iInstanceMapTrees.end())
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{
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Vector3 pos1 = convertPositionToInternalRep(x1, y1, z1);
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Vector3 pos2 = convertPositionToInternalRep(x2, y2, z2);
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Vector3 resultPos;
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bool result = instanceTree->second->getObjectHitPos(pos1, pos2, resultPos, modifyDist);
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resultPos = convertPositionToInternalRep(resultPos.x, resultPos.y, resultPos.z);
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rx = resultPos.x;
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ry = resultPos.y;
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rz = resultPos.z;
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return result;
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}
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}
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rx = x2;
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ry = y2;
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rz = z2;
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return false;
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}
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/**
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get height or INVALID_HEIGHT if no height available
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*/
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float VMapManager2::getHeight(unsigned int mapId, float x, float y, float z, float maxSearchDist)
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{
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if (isHeightCalcEnabled() && !IsVMAPDisabledForPtr(mapId, VMAP_DISABLE_HEIGHT))
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{
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auto instanceTree = GetMapTree(mapId);
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if (instanceTree != iInstanceMapTrees.end())
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{
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Vector3 pos = convertPositionToInternalRep(x, y, z);
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float height = instanceTree->second->getHeight(pos, maxSearchDist);
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if (!(height < G3D::finf()))
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return height = VMAP_INVALID_HEIGHT_VALUE; // No height
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return height;
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}
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}
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return VMAP_INVALID_HEIGHT_VALUE;
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}
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bool VMapManager2::getAreaInfo(unsigned int mapId, float x, float y, float& z, uint32& flags, int32& adtId, int32& rootId, int32& groupId) const
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{
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if (!IsVMAPDisabledForPtr(mapId, VMAP_DISABLE_AREAFLAG))
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{
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auto instanceTree = GetMapTree(mapId);
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if (instanceTree != iInstanceMapTrees.end())
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{
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Vector3 pos = convertPositionToInternalRep(x, y, z);
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bool result = instanceTree->second->getAreaInfo(pos, flags, adtId, rootId, groupId);
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// z is not touched by convertPositionToInternalRep(), so just copy
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z = pos.z;
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return result;
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}
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}
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return false;
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}
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bool VMapManager2::GetLiquidLevel(uint32 mapId, float x, float y, float z, uint8 reqLiquidType, float& level, float& floor, uint32& type) const
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{
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if (!IsVMAPDisabledForPtr(mapId, VMAP_DISABLE_LIQUIDSTATUS))
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{
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auto instanceTree = GetMapTree(mapId);
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if (instanceTree != iInstanceMapTrees.end())
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{
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LocationInfo info;
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Vector3 pos = convertPositionToInternalRep(x, y, z);
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if (instanceTree->second->GetLocationInfo(pos, info))
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{
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floor = info.ground_Z;
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ASSERT(floor < std::numeric_limits<float>::max());
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ASSERT(info.hitModel);
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type = info.hitModel->GetLiquidType(); // entry from LiquidType.dbc
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if (reqLiquidType && !(GetLiquidFlagsPtr(type) & reqLiquidType))
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return false;
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ASSERT(info.hitInstance);
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if (info.hitInstance->GetLiquidLevel(pos, info, level))
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return true;
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}
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}
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}
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return false;
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}
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WorldModel* VMapManager2::acquireModelInstance(const std::string& basepath, const std::string& filename, uint32 flags/* Only used when creating the model */)
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{
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//! Critical section, thread safe access to iLoadedModelFiles
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std::lock_guard<std::mutex> lock(LoadedModelFilesLock);
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auto model = iLoadedModelFiles.find(filename);
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if (model == iLoadedModelFiles.end())
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{
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WorldModel* worldmodel = new WorldModel();
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if (!worldmodel->readFile(basepath + filename + ".vmo"))
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{
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TC_LOG_ERROR("misc", "VMapManager2: could not load '%s%s.vmo'", basepath.c_str(), filename.c_str());
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delete worldmodel;
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return NULL;
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}
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TC_LOG_DEBUG("maps", "VMapManager2: loading file '%s%s'", basepath.c_str(), filename.c_str());
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worldmodel->Flags = flags;
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model = iLoadedModelFiles.insert(std::pair<std::string, ManagedModel>(filename, ManagedModel())).first;
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model->second.setModel(worldmodel);
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}
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model->second.incRefCount();
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return model->second.getModel();
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}
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void VMapManager2::releaseModelInstance(const std::string &filename)
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{
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//! Critical section, thread safe access to iLoadedModelFiles
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std::lock_guard<std::mutex> lock(LoadedModelFilesLock);
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auto model = iLoadedModelFiles.find(filename);
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if (model == iLoadedModelFiles.end())
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{
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TC_LOG_ERROR("misc", "VMapManager2: trying to unload non-loaded file '%s'", filename.c_str());
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return;
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}
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if (model->second.decRefCount() == 0)
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{
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TC_LOG_DEBUG("maps", "VMapManager2: unloading file '%s'", filename.c_str());
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delete model->second.getModel();
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iLoadedModelFiles.erase(model);
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}
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}
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LoadResult VMapManager2::existsMap(const char* basePath, unsigned int mapId, int x, int y)
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{
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return StaticMapTree::CanLoadMap(std::string(basePath), mapId, x, y, this);
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}
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void VMapManager2::getInstanceMapTree(InstanceTreeMap &instanceMapTree)
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{
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instanceMapTree = iInstanceMapTrees;
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}
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int32 VMapManager2::getParentMapId(uint32 mapId) const
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{
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auto itr = iParentMapData.find(mapId);
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if (itr != iParentMapData.end())
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return int32(itr->second);
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return -1;
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}
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} // namespace VMAP
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