WangAreaGridParser.cpp

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#include <se_core.hpp>
#include "WangAreaGridParser.hpp"
#include "../area/WangAreaGrid.hpp"
#include <cstring>
#include <cstdio>

using namespace se_core;

namespace se_basic {

    WangAreaGridParser
    ::WangAreaGridParser(ParseManager& parser)
        : Parser(parser, Parser::GAME, Parser::AREA_GRID, 2)  {
    }


    void WangAreaGridParser
    ::parse(InputStream& in) {
        // (width height)
        unsigned short xSize = in.readShort();
        unsigned short zSize = in.readShort();

        // Strip extension from basename, so that
        // .bin and .txt versions of the same grid produce
        // the same hash id
        String name(in.basename(), -in.extLen());

        // Create area
        WangAreaGrid grid(xSize, zSize, name.get());
        int seed = 19;

        int code;
        while((code = in.readInfoCode()) != 'Q' && !in.eof()) {
            switch(code) {
            case 'S':
                seed = in.readShort();
                break;

            case 'T': // Tile definition
                {
                    String name;
                    String wang;
                    in.readString(name);
                    in.readString(wang);
                    grid.addDefinition(name, (const unsigned char*)wang.get());
                }
                break;

            case 'C':
                {
                    short z = in.readShort();
                    AssertFatal(z < zSize, in.name());
                    int c = in.readInfoCode();
                    AssertFatal(c == '{', "Missing { in '" << in.name() << "' - C: " << z);
                    int x = 0;
                    while(x < xSize) {
                        short def = in.readShort();
                        grid.setArea(x, z, def);
                        ++x;
                    }
                    c = in.readInfoCode();
                    AssertFatal(c == '}', "Missing } in '" << in.name() << "' - C: " << z);
                }
                break;

            case 'B':
                {
                    int c = in.readShort();
                    grid.setDefaultBorder(c);
                }
                break;

            case 'G':
                grid.generate(seed);
                break;

            case 'O':
                {
                    String tmp;
                    in.readString(tmp);
                    grid.save(tmp.get());
                    break;
                }
            }

        }

    }

}

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