WangAreaGrid.hpp

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#ifndef logic_area_WangAreaGrid_hpp
#define logic_area_WangAreaGrid_hpp

#include "sim/area/Area.hpp"
#include "BasicPre.hpp"

namespace se_basic {

    class _SeBasicExport WangAreaGrid {
    public:
        WangAreaGrid(int xSize, int zSize, const char* name);
        ~WangAreaGrid();

        void setTile(char* name, unsigned char* sides);

        inline se_core::Area* getArea(int x, int z) {
            return areas_[ x + z * xSize_ ].area_;
        }

        void addDefinition(const se_core::String& a, const unsigned char* wang) {
            WangDefinition& w = wangDefinitions_[ definitionCount_++ ];
            w.areaName_.set(a.copyValue());
            for(int i = 0; i < 4; ++i)
                w.wang_[i] = wang[i];
        }

        void setArea(int x, int z, int defIndex);
        int findMatch(const unsigned char* wang, int random);

        int getDefinition(int x, int z) {
            if(x < 0 || x >= xSize_) return -3;
            if(z < 0 || z >= zSize_) return -3;
            //if(!areas_[ x + z * xSize_ ].area_) return -1;
            return areas_[ x + z * xSize_ ].definitionIndex_;
        }

        const unsigned char getSide(int x, int z, int side) {
            int def = getDefinition(x, z);
            if(def == -2) return 0;
            if(def == -3) return defaultBorder_;
            if(def < 0) return '0';
            Assert(side >= 0 && side < 4 && "Side must be between 0 and 3");
            return wangDefinitions_[def].wang_[side];
        }

        void setDefaultBorder(unsigned char db) {
            defaultBorder_ = db;
        }
        void generate(int seed);

        void save(const char* filename);

    private:
        struct WangDefinition {
            se_core::String areaName_;
            unsigned char wang_[4];
        } * wangDefinitions_;
        int definitionCount_;

        static const int MAX_DEFINITIONS = 128;
        struct Areas {
            se_core::Area* area_;
            int definitionIndex_;
        }* areas_;
        short xSize_, zSize_;
        short id_;
        se_core::DictionaryEntry* dict_;

        unsigned char defaultBorder_;
    };

}

#endif

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