BasicAIModule/include/TacticalBuildingPlacer.h

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#pragma once
/*
 * TacticalBuildingPlacer.h
 */
#include <BWAPI.h>
#include <BWTA.h>
#include <BWSAL.h>

#include <EnhancedUI.h>
#include <EnhancedSide.h>
#include <EnhancedChokepoint.h>

#include <assert.h>

using std::pair;
using std::vector;
using std::set;

class TacticalBuildingPlacer
{
public:
        // TacticalBuildingPlacer is a singleton
        static TacticalBuildingPlacer& instance() { static TacticalBuildingPlacer s; return s; }
        ~TacticalBuildingPlacer(void);

        void analyze(void);
        void draw(void);
        void update(void);
        BWAPI::TilePosition reserveBuildLocation(BWAPI::UnitType unitType, BWAPI::TilePosition seedLocation, BWAPI::Unit *builder = NULL);

private:
        TacticalBuildingPlacer();
        // search for optimal build pattern to wall off chokepoint in a region
        vector<BWAPI::TilePosition> chokepointBuildPatternSearch(EnhancedChokepoint ecpoint, BWTA::Region * region);

        vector<pair<BWTA::Region *, vector<EnhancedChokepoint>>> regionsToChokepoints;
        // for chokepointBuildPatternSearch() return
        vector<vector<BWAPI::TilePosition>> chokepointBuildLocations;
        BWSAL::BFSBuildingPlacer buildingPlacer;
};