Tool_NavMeshPrune.h

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//
// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty.  In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
//    claim that you wrote the original software. If you use this software
//    in a product, an acknowledgment in the product documentation would be
//    appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
//    misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
 
#pragma once
 
#include "DetourAssert.h"
#include "DetourNavMesh.h"
#include "Sample.h"
 
class NavmeshFlags
{
    const dtNavMesh* navmesh = nullptr;
    std::vector<std::vector<unsigned char>> tileFlags;
 
public:
    void init(const dtNavMesh* newNavmesh);
    void clearAllFlags();
    [[nodiscard]] unsigned char getFlags(dtPolyRef ref) const;
    void setFlags(dtPolyRef ref, unsigned char flags);
};
 
class NavMeshPruneTool : public SampleTool
{
    Sample* sample = nullptr;
    NavmeshFlags* flags = nullptr;
    float hitPos[3];
    bool hitPosSet = false;
 
public:
    NavMeshPruneTool() = default;
    ~NavMeshPruneTool() override;
    NavMeshPruneTool(const NavMeshPruneTool&) = delete;
    NavMeshPruneTool& operator=(const NavMeshPruneTool&) = delete;
    NavMeshPruneTool(const NavMeshPruneTool&&) = delete;
    NavMeshPruneTool& operator=(const NavMeshPruneTool&&) = delete;
 
    SampleToolType type() override { return SampleToolType::NAVMESH_PRUNE; }
    void init(Sample* newSample) override { sample = newSample; }
    void reset() override;
    void drawMenuUI() override;
    void onClick(const float* s, const float* p, bool shift) override;
    void onToggle() override {}
    void singleStep() override {}
    void update(const float /*dt*/) override {}
    void render() override;
    void drawOverlayUI() override;
};