74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
#ifndef TILEMAP_BIOME_H
|
|
#define TILEMAP_BIOME_H
|
|
|
|
#include <cstdint>
|
|
#include <string_view>
|
|
|
|
namespace istd {
|
|
|
|
// Biome types based on temperature and humidity
|
|
enum class BiomeType : std::uint8_t {
|
|
SnowyPeeks = 0, // Cold & Dry
|
|
SnowyPlains = 1, // Cold & Moderate
|
|
FrozenOcean = 2, // Cold & Wet
|
|
Plains = 3, // Temperate & Dry
|
|
Forest = 4, // Temperate & Moderate
|
|
Ocean = 5, // Temperate & Wet
|
|
Desert = 6, // Hot & Dry
|
|
Savanna = 7, // Hot & Moderate
|
|
LukeOcean = 8, // Hot & Wet
|
|
};
|
|
|
|
enum class BiomeTemperature : std::uint8_t {
|
|
Cold = 0,
|
|
Temperate = 1,
|
|
Hot = 2,
|
|
};
|
|
|
|
enum class BiomeHumidity : std::uint8_t {
|
|
Dry = 0,
|
|
Moderate = 1,
|
|
Wet = 2,
|
|
};
|
|
|
|
// Biome properties for terrain generation
|
|
struct BiomeProperties {
|
|
// Biome name for debugging
|
|
std::string_view name;
|
|
|
|
// Base terrain thresholds (0.0 - 1.0)
|
|
double water_threshold;
|
|
double ice_threshold;
|
|
double sand_threshold;
|
|
double land_threshold;
|
|
|
|
// Noise parameters for base terrain
|
|
int base_octaves = 3;
|
|
double base_persistence = 0.5;
|
|
};
|
|
|
|
// Get biome properties for terrain generation
|
|
const BiomeProperties &get_biome_properties(BiomeType biome);
|
|
|
|
// Determine biome type based on temperature and humidity
|
|
BiomeType determine_biome(double temperature, double humidity);
|
|
|
|
// Sub-chunk position within a chunk (4x4 grid of 16x16 sub-chunks)
|
|
struct SubChunkPos {
|
|
std::uint8_t sub_x; // 0-3
|
|
std::uint8_t sub_y; // 0-3
|
|
|
|
constexpr SubChunkPos(std::uint8_t x, std::uint8_t y): sub_x(x), sub_y(y) {}
|
|
};
|
|
|
|
// Get the starting tile coordinates for a sub-chunk
|
|
constexpr std::pair<std::uint8_t, std::uint8_t> subchunk_to_tile_start(
|
|
const SubChunkPos &pos
|
|
) {
|
|
return {pos.sub_x * 16, pos.sub_y * 16};
|
|
}
|
|
|
|
} // namespace istd
|
|
|
|
#endif
|