VoxelEngine/src/world/generator/GeneratorDef.hpp

76 lines
1.9 KiB
C++

#pragma once
#include <string>
#include <glm/glm.hpp>
#include "typedefs.hpp"
#include "maths/Heightmap.hpp"
class Content;
struct BlocksLayer {
/// @brief Layer block
std::string block;
/// @brief Layer height. -1 is resizeable layer
int height;
/// @brief Layer can present under the sea level (default: true) else will
/// extend the next layer
bool belowSeaLevel;
struct {
/// @brief Layer block index
blockid_t id;
} rt;
};
/// @brief Set of blocks layers with additional info
struct BlocksLayers {
std::vector<BlocksLayer> layers;
/// @brief Total height of all layers after the resizeable one
uint lastLayersHeight;
};
struct Biome {
std::string name;
BlocksLayers groundLayers;
BlocksLayers seaLayers;
};
/// @brief Generator behaviour and settings interface
class GeneratorScript {
public:
virtual ~GeneratorScript() = default;
/// @brief Generates a heightmap with values in range 0..1
/// @param offset position of the heightmap top left corner in the world
/// @param size size of the heightmap
/// @param seed world seed
/// @return generated heightmap of given size (can't be nullptr)
virtual std::shared_ptr<Heightmap> generateHeightmap(
const glm::ivec2& offset, const glm::ivec2& size, uint64_t seed) = 0;
virtual const Biome& getBiome() const = 0;
/// @return Number of biome parameters, that biome choosing depending on
virtual uint getBiomeParameters() const = 0;
/// @return Sea level (top of seaLayers)
virtual uint getSeaLevel() const = 0;
/// @brief Build the runtime cache
/// @param content built content
virtual void prepare(const Content* content) = 0;
};
/// @brief Generator information
struct GeneratorDef {
std::string name;
std::unique_ptr<GeneratorScript> script;
GeneratorDef(std::string name) : name(std::move(name)) {}
GeneratorDef(const GeneratorDef&) = delete;
};