67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
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#ifndef STAR_TERRAIN_DATABASE_HPP
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#define STAR_TERRAIN_DATABASE_HPP
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#include "StarJson.hpp"
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#include "StarThread.hpp"
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namespace Star {
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STAR_STRUCT(TerrainSelector);
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STAR_CLASS(TerrainDatabase);
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STAR_EXCEPTION(TerrainException, StarException);
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struct TerrainSelectorParameters {
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TerrainSelectorParameters();
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explicit TerrainSelectorParameters(Json const& v);
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Json toJson() const;
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TerrainSelectorParameters withSeed(uint64_t seed) const;
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TerrainSelectorParameters withCommonality(float commonality) const;
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unsigned worldWidth;
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float baseHeight;
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uint64_t seed;
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float commonality;
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};
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struct TerrainSelector {
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TerrainSelector(String type, Json config, TerrainSelectorParameters parameters);
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virtual ~TerrainSelector();
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// Returns a float signifying the "solid-ness" of a block, >= 0.0 should be
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// considered solid, < 0.0 should be considered open space.
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virtual float get(int x, int y) const = 0;
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String type;
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Json config;
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TerrainSelectorParameters parameters;
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};
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class TerrainDatabase {
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public:
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struct Config {
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String type;
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Json parameters;
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};
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Config selectorConfig(String const& name) const;
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TerrainSelectorConstPtr createSelectorType(String const& type, Json const& config, TerrainSelectorParameters const& parameters) const;
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TerrainDatabase();
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TerrainSelectorConstPtr createNamedSelector(String const& name, TerrainSelectorParameters const& parameters) const;
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TerrainSelectorConstPtr constantSelector(float value);
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Json storeSelector(TerrainSelectorConstPtr const& selector) const;
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TerrainSelectorConstPtr loadSelector(Json const& store) const;
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private:
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StringMap<Config> m_terrainSelectors;
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};
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}
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#endif
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