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