v1.4.4

source/game/StarTerrainDatabase.hpp

@@ -0,0 +1,66 @@
+#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