urho3d/Source/Urho3D/Navigation/NavBuildData.cpp

//
// Copyright (c) 2008-2015 the Urho3D project.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//

#include "Precompiled.h"

#include "../Navigation/NavBuildData.h"

#include <Recast/Recast.h>
#include <Detour/DetourNavMesh.h>
#include <Detour/DetourNavMeshBuilder.h>
#include <Detour/DetourNavMeshQuery.h>
#include <DetourTileCache/DetourTileCache.h>
#include <DetourTileCache/DetourTileCacheBuilder.h>

namespace Urho3D
{
    /// Construct.
    NavBuildData::NavBuildData() :
        ctx_(new rcContext(false)),
        heightField_(0),
        compactHeightField_(0)
    {
        ctx_ = new rcContext(true);
    }

    NavBuildData::~NavBuildData()
    {
        if (ctx_)
            delete(ctx_);
        rcFreeHeightField(heightField_);
        rcFreeCompactHeightfield(compactHeightField_);

        ctx_ = 0;
        heightField_ = 0;
        compactHeightField_ = 0;
        
    }

    SimpleNavBuildData::SimpleNavBuildData() :
        NavBuildData(),
        contourSet_(0),
        polyMesh_(0),
        polyMeshDetail_(0)
    {

    }

    SimpleNavBuildData::~SimpleNavBuildData()
    {
        rcFreeContourSet(contourSet_);
        rcFreePolyMesh(polyMesh_);
        rcFreePolyMeshDetail(polyMeshDetail_);

        contourSet_ = 0;
        polyMesh_ = 0;
        polyMeshDetail_ = 0;
    }

    DynamicNavBuildData::DynamicNavBuildData(dtTileCacheAlloc* allocator) :
        contourSet_(0),
        heightFieldLayers_(0),
        polyMesh_(0),
        alloc_(allocator)
    {

    }

    DynamicNavBuildData::~DynamicNavBuildData()
    {
        if (contourSet_)
            dtFreeTileCacheContourSet(alloc_, contourSet_);
        if (polyMesh_)
            dtFreeTileCachePolyMesh(alloc_, polyMesh_);
        if (heightFieldLayers_)
            rcFreeHeightfieldLayerSet(heightFieldLayers_);

        contourSet_ = 0;
        polyMesh_ = 0;
        heightFieldLayers_ = 0;
    }
}