osb/source/game/StarTerrainDatabase.hpp

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2023-06-20 04:33:09 +00:00
#ifndef STAR_TERRAIN_DATABASE_HPP
#define STAR_TERRAIN_DATABASE_HPP
#include "StarJson.hpp"
#include "StarThread.hpp"
namespace Star {
STAR_STRUCT(TerrainSelector);
STAR_CLASS(TerrainDatabase);
STAR_EXCEPTION(TerrainException, StarException);
struct TerrainSelectorParameters {
TerrainSelectorParameters();
explicit TerrainSelectorParameters(Json const& v);
Json toJson() const;
TerrainSelectorParameters withSeed(uint64_t seed) const;
TerrainSelectorParameters withCommonality(float commonality) const;
unsigned worldWidth;
float baseHeight;
uint64_t seed;
float commonality;
};
struct TerrainSelector {
TerrainSelector(String type, Json config, TerrainSelectorParameters parameters);
virtual ~TerrainSelector();
// Returns a float signifying the "solid-ness" of a block, >= 0.0 should be
// considered solid, < 0.0 should be considered open space.
virtual float get(int x, int y) const = 0;
String type;
Json config;
TerrainSelectorParameters parameters;
};
class TerrainDatabase {
public:
struct Config {
String type;
Json parameters;
};
Config selectorConfig(String const& name) const;
TerrainSelectorConstPtr createSelectorType(String const& type, Json const& config, TerrainSelectorParameters const& parameters) const;
TerrainDatabase();
TerrainSelectorConstPtr createNamedSelector(String const& name, TerrainSelectorParameters const& parameters) const;
TerrainSelectorConstPtr constantSelector(float value);
Json storeSelector(TerrainSelectorConstPtr const& selector) const;
TerrainSelectorConstPtr loadSelector(Json const& store) const;
private:
StringMap<Config> m_terrainSelectors;
};
}
#endif