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99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
/*
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* CDrawRoadsOperation.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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#include "CMapOperation.h"
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VCMI_LIB_NAMESPACE_BEGIN
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struct TerrainTile;
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class CDrawLinesOperation : public CMapOperation
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{
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public:
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void execute() override;
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void undo() override;
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void redo() override;
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protected:
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struct LinePattern
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{
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std::string data[9];
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std::pair<int, int> roadMapping;
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std::pair<int, int> riverMapping;
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bool hasHFlip;
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bool hasVFlip;
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};
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struct ValidationResult
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{
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ValidationResult(bool result): result(result), flip(0){};
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bool result;
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int flip;
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};
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CDrawLinesOperation(CMap * map, CTerrainSelection terrainSel, CRandomGenerator * gen);
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virtual void executeTile(TerrainTile & tile) = 0;
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virtual bool canApplyPattern(const CDrawLinesOperation::LinePattern & pattern) const = 0;
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virtual bool needUpdateTile(const TerrainTile & tile) const = 0;
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virtual bool tileHasSomething(const int3 & pos) const = 0;
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virtual void updateTile(TerrainTile & tile, const CDrawLinesOperation::LinePattern & pattern, const int flip) = 0;
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static const std::vector<LinePattern> patterns;
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void flipPattern(LinePattern & pattern, int flip) const;
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void updateTiles(std::set<int3> & invalidated);
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ValidationResult validateTile(const LinePattern & pattern, const int3 & pos);
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CTerrainSelection terrainSel;
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CRandomGenerator * gen;
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};
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class CDrawRoadsOperation : public CDrawLinesOperation
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{
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public:
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CDrawRoadsOperation(CMap * map, const CTerrainSelection & terrainSel, RoadId roadType, CRandomGenerator * gen);
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std::string getLabel() const override;
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protected:
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void executeTile(TerrainTile & tile) override;
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bool canApplyPattern(const CDrawLinesOperation::LinePattern & pattern) const override;
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bool needUpdateTile(const TerrainTile & tile) const override;
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bool tileHasSomething(const int3 & pos) const override;
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void updateTile(TerrainTile & tile, const CDrawLinesOperation::LinePattern & pattern, const int flip) override;
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private:
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RoadId roadType;
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};
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class CDrawRiversOperation : public CDrawLinesOperation
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{
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public:
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CDrawRiversOperation(CMap * map, const CTerrainSelection & terrainSel, RiverId roadType, CRandomGenerator * gen);
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std::string getLabel() const override;
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protected:
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void executeTile(TerrainTile & tile) override;
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bool canApplyPattern(const CDrawLinesOperation::LinePattern & pattern) const override;
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bool needUpdateTile(const TerrainTile & tile) const override;
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bool tileHasSomething(const int3 & pos) const override;
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void updateTile(TerrainTile & tile, const CDrawLinesOperation::LinePattern & pattern, const int flip) override;
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private:
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RiverId riverType;
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};
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VCMI_LIB_NAMESPACE_END
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