mirror of
https://github.com/araxiaonline/TrinityCore.git
synced 2026-06-15 12:42:43 -04:00
2c64bb97e6
* mapextractor - fixed fatigue in Thousand Needles
* mapextractor - fixed compressing liquid data
* vmapextractor - fixed extracting liquids inside WMOs
* vmapextractor - implemented new WMO flags
* vmapextractor - store model type for gameobject models
* mmap_generator - fixed processing liquids broken in e5d23103f3
947 lines
36 KiB
C++
947 lines
36 KiB
C++
/*
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* Copyright (C) 2008-2018 TrinityCore <https://www.trinitycore.org/>
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* Copyright (C) 2005-2011 MaNGOS <http://getmangos.com/>
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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 "TerrainBuilder.h"
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#include "MapBuilder.h"
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#include "MapTree.h"
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#include "ModelInstance.h"
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#include "VMapFactory.h"
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#include "VMapManager2.h"
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// ******************************************
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// Map file format defines
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// ******************************************
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struct map_fileheader
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{
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uint32 mapMagic;
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uint32 versionMagic;
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uint32 buildMagic;
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uint32 areaMapOffset;
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uint32 areaMapSize;
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uint32 heightMapOffset;
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uint32 heightMapSize;
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uint32 liquidMapOffset;
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uint32 liquidMapSize;
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uint32 holesOffset;
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uint32 holesSize;
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};
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#define MAP_HEIGHT_NO_HEIGHT 0x0001
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#define MAP_HEIGHT_AS_INT16 0x0002
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#define MAP_HEIGHT_AS_INT8 0x0004
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struct map_heightHeader
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{
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uint32 fourcc;
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uint32 flags;
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float gridHeight;
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float gridMaxHeight;
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};
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#define MAP_LIQUID_NO_TYPE 0x0001
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#define MAP_LIQUID_NO_HEIGHT 0x0002
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struct map_liquidHeader
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{
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uint32 fourcc;
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uint8 flags;
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uint8 liquidFlags;
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uint16 liquidType;
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uint8 offsetX;
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uint8 offsetY;
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uint8 width;
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uint8 height;
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float liquidLevel;
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};
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#define MAP_LIQUID_TYPE_NO_WATER 0x00
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#define MAP_LIQUID_TYPE_WATER 0x01
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#define MAP_LIQUID_TYPE_OCEAN 0x02
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#define MAP_LIQUID_TYPE_MAGMA 0x04
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#define MAP_LIQUID_TYPE_SLIME 0x08
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#define MAP_LIQUID_TYPE_DARK_WATER 0x10
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namespace MMAP
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{
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char const* MAP_VERSION_MAGIC = "v1.9";
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TerrainBuilder::TerrainBuilder(bool skipLiquid) : m_skipLiquid (skipLiquid){ }
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TerrainBuilder::~TerrainBuilder() { }
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/**************************************************************************/
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void TerrainBuilder::getLoopVars(Spot portion, int &loopStart, int &loopEnd, int &loopInc)
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{
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switch (portion)
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{
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case ENTIRE:
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loopStart = 0;
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loopEnd = V8_SIZE_SQ;
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loopInc = 1;
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break;
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case TOP:
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loopStart = 0;
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loopEnd = V8_SIZE;
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loopInc = 1;
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break;
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case LEFT:
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loopStart = 0;
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loopEnd = V8_SIZE_SQ - V8_SIZE + 1;
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loopInc = V8_SIZE;
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break;
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case RIGHT:
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loopStart = V8_SIZE - 1;
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loopEnd = V8_SIZE_SQ;
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loopInc = V8_SIZE;
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break;
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case BOTTOM:
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loopStart = V8_SIZE_SQ - V8_SIZE;
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loopEnd = V8_SIZE_SQ;
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loopInc = 1;
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break;
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}
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}
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/**************************************************************************/
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void TerrainBuilder::loadMap(uint32 mapID, uint32 tileX, uint32 tileY, MeshData &meshData)
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{
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if (loadMap(mapID, tileX, tileY, meshData, ENTIRE))
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{
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loadMap(mapID, tileX+1, tileY, meshData, LEFT);
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loadMap(mapID, tileX-1, tileY, meshData, RIGHT);
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loadMap(mapID, tileX, tileY+1, meshData, TOP);
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loadMap(mapID, tileX, tileY-1, meshData, BOTTOM);
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}
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}
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/**************************************************************************/
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bool TerrainBuilder::loadMap(uint32 mapID, uint32 tileX, uint32 tileY, MeshData &meshData, Spot portion)
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{
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char mapFileName[255];
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sprintf(mapFileName, "maps/%04u_%02u_%02u.map", mapID, tileY, tileX);
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FILE* mapFile = fopen(mapFileName, "rb");
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if (!mapFile)
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{
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int32 parentMapId = static_cast<VMapManager2*>(VMapFactory::createOrGetVMapManager())->getParentMapId(mapID);
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if (parentMapId != -1)
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{
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sprintf(mapFileName, "maps/%04d_%02u_%02u.map", parentMapId, tileY, tileX);
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mapFile = fopen(mapFileName, "rb");
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}
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}
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if (!mapFile)
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return false;
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map_fileheader fheader;
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if (fread(&fheader, sizeof(map_fileheader), 1, mapFile) != 1 ||
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fheader.versionMagic != *((uint32 const*)(MAP_VERSION_MAGIC)))
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{
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fclose(mapFile);
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printf("%s is the wrong version, please extract new .map files\n", mapFileName);
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return false;
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}
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map_heightHeader hheader;
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fseek(mapFile, fheader.heightMapOffset, SEEK_SET);
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bool haveTerrain = false;
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bool haveLiquid = false;
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if (fread(&hheader, sizeof(map_heightHeader), 1, mapFile) == 1)
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{
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haveTerrain = !(hheader.flags & MAP_HEIGHT_NO_HEIGHT);
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haveLiquid = fheader.liquidMapOffset && !m_skipLiquid;
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}
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// no data in this map file
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if (!haveTerrain && !haveLiquid)
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{
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fclose(mapFile);
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return false;
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}
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// data used later
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uint8 holes[16][16][8];
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memset(holes, 0, sizeof(holes));
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uint16 liquid_entry[16][16];
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memset(liquid_entry, 0, sizeof(liquid_entry));
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uint8 liquid_flags[16][16];
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memset(liquid_flags, 0, sizeof(liquid_flags));
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G3D::Array<int> ltriangles;
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G3D::Array<int> ttriangles;
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// terrain data
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if (haveTerrain)
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{
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float heightMultiplier;
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float V9[V9_SIZE_SQ], V8[V8_SIZE_SQ];
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int expected = V9_SIZE_SQ + V8_SIZE_SQ;
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if (hheader.flags & MAP_HEIGHT_AS_INT8)
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{
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uint8 v9[V9_SIZE_SQ];
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uint8 v8[V8_SIZE_SQ];
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int count = 0;
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count += fread(v9, sizeof(uint8), V9_SIZE_SQ, mapFile);
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count += fread(v8, sizeof(uint8), V8_SIZE_SQ, mapFile);
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if (count != expected)
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printf("TerrainBuilder::loadMap: Failed to read some data expected %d, read %d\n", expected, count);
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heightMultiplier = (hheader.gridMaxHeight - hheader.gridHeight) / 255;
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for (int i = 0; i < V9_SIZE_SQ; ++i)
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V9[i] = (float)v9[i]*heightMultiplier + hheader.gridHeight;
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for (int i = 0; i < V8_SIZE_SQ; ++i)
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V8[i] = (float)v8[i]*heightMultiplier + hheader.gridHeight;
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}
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else if (hheader.flags & MAP_HEIGHT_AS_INT16)
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{
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uint16 v9[V9_SIZE_SQ];
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uint16 v8[V8_SIZE_SQ];
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int count = 0;
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count += fread(v9, sizeof(uint16), V9_SIZE_SQ, mapFile);
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count += fread(v8, sizeof(uint16), V8_SIZE_SQ, mapFile);
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if (count != expected)
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printf("TerrainBuilder::loadMap: Failed to read some data expected %d, read %d\n", expected, count);
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heightMultiplier = (hheader.gridMaxHeight - hheader.gridHeight) / 65535;
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for (int i = 0; i < V9_SIZE_SQ; ++i)
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V9[i] = (float)v9[i]*heightMultiplier + hheader.gridHeight;
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for (int i = 0; i < V8_SIZE_SQ; ++i)
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V8[i] = (float)v8[i]*heightMultiplier + hheader.gridHeight;
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}
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else
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{
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int count = 0;
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count += fread(V9, sizeof(float), V9_SIZE_SQ, mapFile);
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count += fread(V8, sizeof(float), V8_SIZE_SQ, mapFile);
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if (count != expected)
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printf("TerrainBuilder::loadMap: Failed to read some data expected %d, read %d\n", expected, count);
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}
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// hole data
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if (fheader.holesSize != 0)
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{
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memset(holes, 0, fheader.holesSize);
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fseek(mapFile, fheader.holesOffset, SEEK_SET);
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if (fread(holes, fheader.holesSize, 1, mapFile) != 1)
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printf("TerrainBuilder::loadMap: Failed to read some data expected 1, read 0\n");
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}
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int count = meshData.solidVerts.size() / 3;
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float xoffset = (float(tileX)-32)*GRID_SIZE;
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float yoffset = (float(tileY)-32)*GRID_SIZE;
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float coord[3];
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for (int i = 0; i < V9_SIZE_SQ; ++i)
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{
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getHeightCoord(i, GRID_V9, xoffset, yoffset, coord, V9);
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meshData.solidVerts.append(coord[0]);
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meshData.solidVerts.append(coord[2]);
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meshData.solidVerts.append(coord[1]);
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}
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for (int i = 0; i < V8_SIZE_SQ; ++i)
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{
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getHeightCoord(i, GRID_V8, xoffset, yoffset, coord, V8);
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meshData.solidVerts.append(coord[0]);
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meshData.solidVerts.append(coord[2]);
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meshData.solidVerts.append(coord[1]);
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}
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int indices[] = { 0, 0, 0 };
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int loopStart = 0, loopEnd = 0, loopInc = 0;
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getLoopVars(portion, loopStart, loopEnd, loopInc);
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for (int i = loopStart; i < loopEnd; i+=loopInc)
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for (int j = TOP; j <= BOTTOM; j+=1)
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{
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getHeightTriangle(i, Spot(j), indices);
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ttriangles.append(indices[2] + count);
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ttriangles.append(indices[1] + count);
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ttriangles.append(indices[0] + count);
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}
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}
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// liquid data
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if (haveLiquid)
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{
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map_liquidHeader lheader;
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fseek(mapFile, fheader.liquidMapOffset, SEEK_SET);
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if (fread(&lheader, sizeof(map_liquidHeader), 1, mapFile) != 1)
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printf("TerrainBuilder::loadMap: Failed to read some data expected 1, read 0\n");
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float* liquid_map = nullptr;
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if (!(lheader.flags & MAP_LIQUID_NO_TYPE))
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{
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if (fread(liquid_entry, sizeof(liquid_entry), 1, mapFile) != 1)
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printf("TerrainBuilder::loadMap: Failed to read some data expected 1, read 0\n");
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if (fread(liquid_flags, sizeof(liquid_flags), 1, mapFile) != 1)
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printf("TerrainBuilder::loadMap: Failed to read some data expected 1, read 0\n");
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}
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else
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{
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std::fill_n(&liquid_entry[0][0], 16 * 16, lheader.liquidType);
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std::fill_n(&liquid_flags[0][0], 16 * 16, lheader.liquidFlags);
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}
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if (!(lheader.flags & MAP_LIQUID_NO_HEIGHT))
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{
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uint32 toRead = lheader.width * lheader.height;
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liquid_map = new float [toRead];
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if (fread(liquid_map, sizeof(float), toRead, mapFile) != toRead)
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{
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printf("TerrainBuilder::loadMap: Failed to read some data expected 1, read 0\n");
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delete[] liquid_map;
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liquid_map = nullptr;
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}
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}
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int count = meshData.liquidVerts.size() / 3;
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float xoffset = (float(tileX)-32)*GRID_SIZE;
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float yoffset = (float(tileY)-32)*GRID_SIZE;
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float coord[3];
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int row, col;
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// generate coordinates
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if (!(lheader.flags & MAP_LIQUID_NO_HEIGHT))
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{
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int j = 0;
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for (int i = 0; i < V9_SIZE_SQ; ++i)
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{
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row = i / V9_SIZE;
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col = i % V9_SIZE;
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if (row < lheader.offsetY || row >= lheader.offsetY + lheader.height ||
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col < lheader.offsetX || col >= lheader.offsetX + lheader.width)
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{
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// dummy vert using invalid height
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meshData.liquidVerts.append((xoffset+col*GRID_PART_SIZE)*-1, INVALID_MAP_LIQ_HEIGHT, (yoffset+row*GRID_PART_SIZE)*-1);
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continue;
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}
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getLiquidCoord(i, j, xoffset, yoffset, coord, liquid_map);
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meshData.liquidVerts.append(coord[0]);
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meshData.liquidVerts.append(coord[2]);
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meshData.liquidVerts.append(coord[1]);
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j++;
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}
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}
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else
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{
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for (int i = 0; i < V9_SIZE_SQ; ++i)
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{
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row = i / V9_SIZE;
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col = i % V9_SIZE;
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meshData.liquidVerts.append((xoffset+col*GRID_PART_SIZE)*-1, lheader.liquidLevel, (yoffset+row*GRID_PART_SIZE)*-1);
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}
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}
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delete[] liquid_map;
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int indices[] = { 0, 0, 0 };
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int loopStart = 0, loopEnd = 0, loopInc = 0, triInc = BOTTOM-TOP;
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getLoopVars(portion, loopStart, loopEnd, loopInc);
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// generate triangles
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for (int i = loopStart; i < loopEnd; i += loopInc)
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{
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for (int j = TOP; j <= BOTTOM; j += triInc)
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{
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getHeightTriangle(i, Spot(j), indices, true);
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ltriangles.append(indices[2] + count);
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ltriangles.append(indices[1] + count);
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ltriangles.append(indices[0] + count);
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}
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}
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}
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fclose(mapFile);
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// now that we have gathered the data, we can figure out which parts to keep:
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// liquid above ground, ground above liquid
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int loopStart = 0, loopEnd = 0, loopInc = 0, tTriCount = 4;
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bool useTerrain, useLiquid;
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float* lverts = meshData.liquidVerts.getCArray();
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int* ltris = ltriangles.getCArray();
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float* tverts = meshData.solidVerts.getCArray();
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int* ttris = ttriangles.getCArray();
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if ((ltriangles.size() + ttriangles.size()) == 0)
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return false;
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// make a copy of liquid vertices
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// used to pad right-bottom frame due to lost vertex data at extraction
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float* lverts_copy = NULL;
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if (meshData.liquidVerts.size())
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{
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lverts_copy = new float[meshData.liquidVerts.size()];
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memcpy(lverts_copy, lverts, sizeof(float)*meshData.liquidVerts.size());
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}
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getLoopVars(portion, loopStart, loopEnd, loopInc);
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for (int i = loopStart; i < loopEnd; i+=loopInc)
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{
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for (int j = 0; j < 2; ++j)
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{
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// default is true, will change to false if needed
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useTerrain = true;
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useLiquid = true;
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uint8 liquidType = MAP_LIQUID_TYPE_NO_WATER;
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// if there is no liquid, don't use liquid
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if (!meshData.liquidVerts.size() || !ltriangles.size())
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useLiquid = false;
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else
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{
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liquidType = getLiquidType(i, liquid_flags);
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if (liquidType & MAP_LIQUID_TYPE_DARK_WATER)
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{
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// players should not be here, so logically neither should creatures
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useTerrain = false;
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useLiquid = false;
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}
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else if ((liquidType & (MAP_LIQUID_TYPE_WATER | MAP_LIQUID_TYPE_OCEAN)) != 0)
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liquidType = NAV_WATER;
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else if (liquidType & MAP_LIQUID_TYPE_MAGMA)
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liquidType = NAV_MAGMA;
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else if (liquidType & MAP_LIQUID_TYPE_SLIME)
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liquidType = NAV_SLIME;
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else
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useLiquid = false;
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}
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// if there is no terrain, don't use terrain
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if (!ttriangles.size())
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useTerrain = false;
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// while extracting ADT data we are losing right-bottom vertices
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// this code adds fair approximation of lost data
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if (useLiquid)
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{
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float quadHeight = 0;
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uint32 validCount = 0;
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for(uint32 idx = 0; idx < 3; idx++)
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{
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float h = lverts_copy[ltris[idx]*3 + 1];
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if (h != INVALID_MAP_LIQ_HEIGHT && h < INVALID_MAP_LIQ_HEIGHT_MAX)
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{
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quadHeight += h;
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validCount++;
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}
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}
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// update vertex height data
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if (validCount > 0 && validCount < 3)
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{
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quadHeight /= validCount;
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for(uint32 idx = 0; idx < 3; idx++)
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{
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float h = lverts[ltris[idx]*3 + 1];
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if (h == INVALID_MAP_LIQ_HEIGHT || h > INVALID_MAP_LIQ_HEIGHT_MAX)
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lverts[ltris[idx]*3 + 1] = quadHeight;
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}
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}
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// no valid vertexes - don't use this poly at all
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if (validCount == 0)
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useLiquid = false;
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}
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// if there is a hole here, don't use the terrain
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if (useTerrain && fheader.holesSize != 0)
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useTerrain = !isHole(i, holes);
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// we use only one terrain kind per quad - pick higher one
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if (useTerrain && useLiquid)
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{
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float minLLevel = INVALID_MAP_LIQ_HEIGHT_MAX;
|
|
float maxLLevel = INVALID_MAP_LIQ_HEIGHT;
|
|
for(uint32 x = 0; x < 3; x++)
|
|
{
|
|
float h = lverts[ltris[x]*3 + 1];
|
|
if (minLLevel > h)
|
|
minLLevel = h;
|
|
|
|
if (maxLLevel < h)
|
|
maxLLevel = h;
|
|
}
|
|
|
|
float maxTLevel = INVALID_MAP_LIQ_HEIGHT;
|
|
float minTLevel = INVALID_MAP_LIQ_HEIGHT_MAX;
|
|
for(uint32 x = 0; x < 6; x++)
|
|
{
|
|
float h = tverts[ttris[x]*3 + 1];
|
|
if (maxTLevel < h)
|
|
maxTLevel = h;
|
|
|
|
if (minTLevel > h)
|
|
minTLevel = h;
|
|
}
|
|
|
|
// terrain under the liquid?
|
|
if (minLLevel > maxTLevel)
|
|
useTerrain = false;
|
|
|
|
//liquid under the terrain?
|
|
if (minTLevel > maxLLevel)
|
|
useLiquid = false;
|
|
}
|
|
|
|
// store the result
|
|
if (useLiquid)
|
|
{
|
|
meshData.liquidType.append(liquidType);
|
|
for (int k = 0; k < 3; ++k)
|
|
meshData.liquidTris.append(ltris[k]);
|
|
}
|
|
|
|
if (useTerrain)
|
|
for (int k = 0; k < 3*tTriCount/2; ++k)
|
|
meshData.solidTris.append(ttris[k]);
|
|
|
|
// advance to next set of triangles
|
|
ltris += 3;
|
|
ttris += 3*tTriCount/2;
|
|
}
|
|
}
|
|
|
|
if (lverts_copy)
|
|
delete [] lverts_copy;
|
|
|
|
return meshData.solidTris.size() || meshData.liquidTris.size();
|
|
}
|
|
|
|
/**************************************************************************/
|
|
void TerrainBuilder::getHeightCoord(int index, Grid grid, float xOffset, float yOffset, float* coord, float* v)
|
|
{
|
|
// wow coords: x, y, height
|
|
// coord is mirroed about the horizontal axes
|
|
switch (grid)
|
|
{
|
|
case GRID_V9:
|
|
coord[0] = (xOffset + index%(V9_SIZE)*GRID_PART_SIZE) * -1.f;
|
|
coord[1] = (yOffset + (int)(index/(V9_SIZE))*GRID_PART_SIZE) * -1.f;
|
|
coord[2] = v[index];
|
|
break;
|
|
case GRID_V8:
|
|
coord[0] = (xOffset + index%(V8_SIZE)*GRID_PART_SIZE + GRID_PART_SIZE/2.f) * -1.f;
|
|
coord[1] = (yOffset + (int)(index/(V8_SIZE))*GRID_PART_SIZE + GRID_PART_SIZE/2.f) * -1.f;
|
|
coord[2] = v[index];
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**************************************************************************/
|
|
void TerrainBuilder::getHeightTriangle(int square, Spot triangle, int* indices, bool liquid/* = false*/)
|
|
{
|
|
int rowOffset = square/V8_SIZE;
|
|
if (!liquid)
|
|
switch (triangle)
|
|
{
|
|
case TOP:
|
|
indices[0] = square+rowOffset; // 0-----1 .... 128
|
|
indices[1] = square+1+rowOffset; // |\ T /|
|
|
indices[2] = (V9_SIZE_SQ)+square; // | \ / |
|
|
break; // |L 0 R| .. 127
|
|
case LEFT: // | / \ |
|
|
indices[0] = square+rowOffset; // |/ B \|
|
|
indices[1] = (V9_SIZE_SQ)+square; // 129---130 ... 386
|
|
indices[2] = square+V9_SIZE+rowOffset; // |\ /|
|
|
break; // | \ / |
|
|
case RIGHT: // | 128 | .. 255
|
|
indices[0] = square+1+rowOffset; // | / \ |
|
|
indices[1] = square+V9_SIZE+1+rowOffset; // |/ \|
|
|
indices[2] = (V9_SIZE_SQ)+square; // 258---259 ... 515
|
|
break;
|
|
case BOTTOM:
|
|
indices[0] = (V9_SIZE_SQ)+square;
|
|
indices[1] = square+V9_SIZE+1+rowOffset;
|
|
indices[2] = square+V9_SIZE+rowOffset;
|
|
break;
|
|
default: break;
|
|
}
|
|
else
|
|
switch (triangle)
|
|
{ // 0-----1 .... 128
|
|
case TOP: // |\ |
|
|
indices[0] = square+rowOffset; // | \ T |
|
|
indices[1] = square+1+rowOffset; // | \ |
|
|
indices[2] = square+V9_SIZE+1+rowOffset; // | B \ |
|
|
break; // | \|
|
|
case BOTTOM: // 129---130 ... 386
|
|
indices[0] = square+rowOffset; // |\ |
|
|
indices[1] = square+V9_SIZE+1+rowOffset; // | \ |
|
|
indices[2] = square+V9_SIZE+rowOffset; // | \ |
|
|
break; // | \ |
|
|
default: break; // | \|
|
|
} // 258---259 ... 515
|
|
|
|
}
|
|
|
|
/**************************************************************************/
|
|
void TerrainBuilder::getLiquidCoord(int index, int index2, float xOffset, float yOffset, float* coord, float* v)
|
|
{
|
|
// wow coords: x, y, height
|
|
// coord is mirroed about the horizontal axes
|
|
coord[0] = (xOffset + index%(V9_SIZE)*GRID_PART_SIZE) * -1.f;
|
|
coord[1] = (yOffset + (int)(index/(V9_SIZE))*GRID_PART_SIZE) * -1.f;
|
|
coord[2] = v[index2];
|
|
}
|
|
|
|
/**************************************************************************/
|
|
bool TerrainBuilder::isHole(int square, uint8 const holes[16][16][8])
|
|
{
|
|
int row = square / 128;
|
|
int col = square % 128;
|
|
int cellRow = row / 8; // 8 squares per cell
|
|
int cellCol = col / 8;
|
|
int holeRow = row % 8;
|
|
int holeCol = (square - (row * 128 + cellCol * 8));
|
|
|
|
return (holes[cellRow][cellCol][holeRow] & (1 << holeCol)) != 0;
|
|
}
|
|
|
|
/**************************************************************************/
|
|
uint8 TerrainBuilder::getLiquidType(int square, const uint8 liquid_type[16][16])
|
|
{
|
|
int row = square / 128;
|
|
int col = square % 128;
|
|
int cellRow = row / 8; // 8 squares per cell
|
|
int cellCol = col / 8;
|
|
|
|
return liquid_type[cellRow][cellCol];
|
|
}
|
|
|
|
/**************************************************************************/
|
|
bool TerrainBuilder::loadVMap(uint32 mapID, uint32 tileX, uint32 tileY, MeshData &meshData)
|
|
{
|
|
VMapManager2* vmapManager = static_cast<VMapManager2*>(VMapFactory::createOrGetVMapManager());
|
|
int result = vmapManager->loadSingleMap(mapID, "vmaps", tileX, tileY);
|
|
bool retval = false;
|
|
|
|
do
|
|
{
|
|
if (result == VMAP_LOAD_RESULT_ERROR)
|
|
break;
|
|
|
|
InstanceTreeMap instanceTrees;
|
|
vmapManager->getInstanceMapTree(instanceTrees);
|
|
|
|
if (!instanceTrees[mapID])
|
|
break;
|
|
|
|
ModelInstance* models = NULL;
|
|
uint32 count = 0;
|
|
instanceTrees[mapID]->getModelInstances(models, count);
|
|
|
|
if (!models)
|
|
break;
|
|
|
|
for (uint32 i = 0; i < count; ++i)
|
|
{
|
|
ModelInstance instance = models[i];
|
|
|
|
// model instances exist in tree even though there are instances of that model in this tile
|
|
WorldModel* worldModel = instance.getWorldModel();
|
|
if (!worldModel)
|
|
continue;
|
|
|
|
// now we have a model to add to the meshdata
|
|
retval = true;
|
|
|
|
std::vector<GroupModel> groupModels;
|
|
worldModel->getGroupModels(groupModels);
|
|
|
|
// all M2s need to have triangle indices reversed
|
|
bool isM2 = (instance.flags & MOD_M2) != 0;
|
|
|
|
// transform data
|
|
float scale = instance.iScale;
|
|
G3D::Matrix3 rotation = G3D::Matrix3::fromEulerAnglesXYZ(G3D::pi()*instance.iRot.z/-180.f, G3D::pi()*instance.iRot.x/-180.f, G3D::pi()*instance.iRot.y/-180.f);
|
|
G3D::Vector3 position = instance.iPos;
|
|
position.x -= 32*GRID_SIZE;
|
|
position.y -= 32*GRID_SIZE;
|
|
|
|
for (std::vector<GroupModel>::iterator it = groupModels.begin(); it != groupModels.end(); ++it)
|
|
{
|
|
std::vector<G3D::Vector3> tempVertices;
|
|
std::vector<G3D::Vector3> transformedVertices;
|
|
std::vector<MeshTriangle> tempTriangles;
|
|
WmoLiquid* liquid = NULL;
|
|
|
|
it->getMeshData(tempVertices, tempTriangles, liquid);
|
|
|
|
// first handle collision mesh
|
|
transform(tempVertices, transformedVertices, scale, rotation, position);
|
|
|
|
int offset = meshData.solidVerts.size() / 3;
|
|
|
|
copyVertices(transformedVertices, meshData.solidVerts);
|
|
copyIndices(tempTriangles, meshData.solidTris, offset, isM2);
|
|
|
|
// now handle liquid data
|
|
if (liquid && liquid->GetFlagsStorage())
|
|
{
|
|
std::vector<G3D::Vector3> liqVerts;
|
|
std::vector<int> liqTris;
|
|
uint32 tilesX, tilesY, vertsX, vertsY;
|
|
G3D::Vector3 corner;
|
|
liquid->getPosInfo(tilesX, tilesY, corner);
|
|
vertsX = tilesX + 1;
|
|
vertsY = tilesY + 1;
|
|
uint8* flags = liquid->GetFlagsStorage();
|
|
float* data = liquid->GetHeightStorage();
|
|
uint8 type = NAV_EMPTY;
|
|
|
|
// convert liquid type to NavTerrain
|
|
switch (liquid->GetType() & 3)
|
|
{
|
|
case 0:
|
|
case 1:
|
|
type = NAV_WATER;
|
|
break;
|
|
case 2:
|
|
type = NAV_MAGMA;
|
|
break;
|
|
case 3:
|
|
type = NAV_SLIME;
|
|
break;
|
|
}
|
|
|
|
// indexing is weird...
|
|
// after a lot of trial and error, this is what works:
|
|
// vertex = y*vertsX+x
|
|
// tile = x*tilesY+y
|
|
// flag = y*tilesY+x
|
|
|
|
G3D::Vector3 vert;
|
|
for (uint32 x = 0; x < vertsX; ++x)
|
|
{
|
|
for (uint32 y = 0; y < vertsY; ++y)
|
|
{
|
|
vert = G3D::Vector3(corner.x + x * GRID_PART_SIZE, corner.y + y * GRID_PART_SIZE, data[y * vertsX + x]);
|
|
vert = vert * rotation * scale + position;
|
|
vert.x *= -1.f;
|
|
vert.y *= -1.f;
|
|
liqVerts.push_back(vert);
|
|
}
|
|
}
|
|
|
|
int idx1, idx2, idx3, idx4;
|
|
uint32 square;
|
|
for (uint32 x = 0; x < tilesX; ++x)
|
|
{
|
|
for (uint32 y = 0; y < tilesY; ++y)
|
|
{
|
|
if ((flags[x + y * tilesX] & 0x0f) != 0x0f)
|
|
{
|
|
square = x * tilesY + y;
|
|
idx1 = square + x;
|
|
idx2 = square + 1 + x;
|
|
idx3 = square + tilesY + 1 + 1 + x;
|
|
idx4 = square + tilesY + 1 + x;
|
|
|
|
// top triangle
|
|
liqTris.push_back(idx3);
|
|
liqTris.push_back(idx2);
|
|
liqTris.push_back(idx1);
|
|
// bottom triangle
|
|
liqTris.push_back(idx4);
|
|
liqTris.push_back(idx3);
|
|
liqTris.push_back(idx1);
|
|
}
|
|
}
|
|
}
|
|
|
|
uint32 liqOffset = meshData.liquidVerts.size() / 3;
|
|
for (uint32 i = 0; i < liqVerts.size(); ++i)
|
|
meshData.liquidVerts.append(liqVerts[i].y, liqVerts[i].z, liqVerts[i].x);
|
|
|
|
for (uint32 i = 0; i < liqTris.size() / 3; ++i)
|
|
{
|
|
meshData.liquidTris.append(liqTris[i * 3 + 1] + liqOffset, liqTris[i * 3 + 2] + liqOffset, liqTris[i * 3] + liqOffset);
|
|
meshData.liquidType.append(type);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
while (false);
|
|
|
|
vmapManager->unloadSingleMap(mapID, tileX, tileY);
|
|
|
|
return retval;
|
|
}
|
|
|
|
/**************************************************************************/
|
|
void TerrainBuilder::transform(std::vector<G3D::Vector3> &source, std::vector<G3D::Vector3> &transformedVertices, float scale, G3D::Matrix3 &rotation, G3D::Vector3 &position)
|
|
{
|
|
for (std::vector<G3D::Vector3>::iterator it = source.begin(); it != source.end(); ++it)
|
|
{
|
|
// apply tranform, then mirror along the horizontal axes
|
|
G3D::Vector3 v((*it) * rotation * scale + position);
|
|
v.x *= -1.f;
|
|
v.y *= -1.f;
|
|
transformedVertices.push_back(v);
|
|
}
|
|
}
|
|
|
|
/**************************************************************************/
|
|
void TerrainBuilder::copyVertices(std::vector<G3D::Vector3> &source, G3D::Array<float> &dest)
|
|
{
|
|
for (std::vector<G3D::Vector3>::iterator it = source.begin(); it != source.end(); ++it)
|
|
{
|
|
dest.push_back((*it).y);
|
|
dest.push_back((*it).z);
|
|
dest.push_back((*it).x);
|
|
}
|
|
}
|
|
|
|
/**************************************************************************/
|
|
void TerrainBuilder::copyIndices(std::vector<MeshTriangle> &source, G3D::Array<int> &dest, int offset, bool flip)
|
|
{
|
|
if (flip)
|
|
{
|
|
for (std::vector<MeshTriangle>::iterator it = source.begin(); it != source.end(); ++it)
|
|
{
|
|
dest.push_back((*it).idx2+offset);
|
|
dest.push_back((*it).idx1+offset);
|
|
dest.push_back((*it).idx0+offset);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
for (std::vector<MeshTriangle>::iterator it = source.begin(); it != source.end(); ++it)
|
|
{
|
|
dest.push_back((*it).idx0+offset);
|
|
dest.push_back((*it).idx1+offset);
|
|
dest.push_back((*it).idx2+offset);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**************************************************************************/
|
|
void TerrainBuilder::copyIndices(G3D::Array<int> &source, G3D::Array<int> &dest, int offset)
|
|
{
|
|
int* src = source.getCArray();
|
|
for (int32 i = 0; i < source.size(); ++i)
|
|
dest.append(src[i] + offset);
|
|
}
|
|
|
|
/**************************************************************************/
|
|
void TerrainBuilder::cleanVertices(G3D::Array<float> &verts, G3D::Array<int> &tris)
|
|
{
|
|
std::map<int, int> vertMap;
|
|
|
|
int* t = tris.getCArray();
|
|
float* v = verts.getCArray();
|
|
|
|
G3D::Array<float> cleanVerts;
|
|
int index, count = 0;
|
|
// collect all the vertex indices from triangle
|
|
for (int i = 0; i < tris.size(); ++i)
|
|
{
|
|
if (vertMap.find(t[i]) != vertMap.end())
|
|
continue;
|
|
std::pair<int, int> val;
|
|
val.first = t[i];
|
|
|
|
index = val.first;
|
|
val.second = count;
|
|
|
|
vertMap.insert(val);
|
|
cleanVerts.append(v[index * 3], v[index * 3 + 1], v[index * 3 + 2]);
|
|
count++;
|
|
}
|
|
|
|
verts.fastClear();
|
|
verts.append(cleanVerts);
|
|
cleanVerts.clear();
|
|
|
|
// update triangles to use new indices
|
|
for (int i = 0; i < tris.size(); ++i)
|
|
{
|
|
std::map<int, int>::iterator it;
|
|
if ((it = vertMap.find(t[i])) == vertMap.end())
|
|
continue;
|
|
|
|
t[i] = (*it).second;
|
|
}
|
|
|
|
vertMap.clear();
|
|
}
|
|
|
|
/**************************************************************************/
|
|
void TerrainBuilder::loadOffMeshConnections(uint32 mapID, uint32 tileX, uint32 tileY, MeshData &meshData, const char* offMeshFilePath)
|
|
{
|
|
// no meshfile input given?
|
|
if (offMeshFilePath == NULL)
|
|
return;
|
|
|
|
FILE* fp = fopen(offMeshFilePath, "rb");
|
|
if (!fp)
|
|
{
|
|
printf(" loadOffMeshConnections:: input file %s not found!\n", offMeshFilePath);
|
|
return;
|
|
}
|
|
|
|
// pretty silly thing, as we parse entire file and load only the tile we need
|
|
// but we don't expect this file to be too large
|
|
char* buf = new char[512];
|
|
while(fgets(buf, 512, fp))
|
|
{
|
|
float p0[3], p1[3];
|
|
uint32 mid, tx, ty;
|
|
float size;
|
|
if (sscanf(buf, "%u %u,%u (%f %f %f) (%f %f %f) %f", &mid, &tx, &ty,
|
|
&p0[0], &p0[1], &p0[2], &p1[0], &p1[1], &p1[2], &size) != 10)
|
|
continue;
|
|
|
|
if (mapID == mid && tileX == tx && tileY == ty)
|
|
{
|
|
meshData.offMeshConnections.append(p0[1]);
|
|
meshData.offMeshConnections.append(p0[2]);
|
|
meshData.offMeshConnections.append(p0[0]);
|
|
|
|
meshData.offMeshConnections.append(p1[1]);
|
|
meshData.offMeshConnections.append(p1[2]);
|
|
meshData.offMeshConnections.append(p1[0]);
|
|
|
|
meshData.offMeshConnectionDirs.append(1); // 1 - both direction, 0 - one sided
|
|
meshData.offMeshConnectionRads.append(size); // agent size equivalent
|
|
// can be used same way as polygon flags
|
|
meshData.offMeshConnectionsAreas.append((unsigned char)0xFF);
|
|
meshData.offMeshConnectionsFlags.append((unsigned short)0xFF); // all movement masks can make this path
|
|
}
|
|
|
|
}
|
|
|
|
delete [] buf;
|
|
fclose(fp);
|
|
}
|
|
}
|