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refactor: biome build (#5)

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* refactor: rename Biome to BiomeType

* feat: add biome builder
This commit is contained in:
zhenyan121
2026-05-02 13:40:46 +08:00
committed by GitHub
parent a63dfa7f47
commit a02bfad639
20 changed files with 563 additions and 164 deletions
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48
src/gameplay/biome.cpp
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@@ -2,20 +2,18 @@
#include "Cubed/tools/cubed_assert.hpp"
#include "Cubed/tools/log.hpp"
#include "Cubed/tools/perlin_noise.hpp"
#include <cmath>
#include <unordered_map>
namespace Cubed {
static PlainParams plain{{Biome::PLAIN,
static PlainParams plain{{BiomeType::PLAIN,
{0.0f, 0.5f},
{0.0f, 0.5f},
{0.003f, 0.010f, 0.020f},
{62, 8}}};
static ForestParams forest{{Biome::FOREST,
static ForestParams forest{{BiomeType::FOREST,
{0.5f, 1.0f},
{0.5f, 1.0f},
{0.004f, 0.010f, 0.020f},
@@ -24,27 +22,27 @@ static ForestParams forest{{Biome::FOREST,
};
static DesertParams desert{{Biome::DESERT,
static DesertParams desert{{BiomeType::DESERT,
{0.5f, 1.0f},
{0.0f, 0.5f},
{0.003f, 0.010f, 0.020f},
{61, 12}}};
static MountainParams mountain{{Biome::MOUNTAIN,
static MountainParams mountain{{BiomeType::MOUNTAIN,
{0.0f, 0.5f},
{0.5f, 1.0f},
{0.006f, 0.014f, 0.010f},
{70, 70}}};
static RiverParams river{{Biome::RIVER,
static RiverParams river{{BiomeType::RIVER,
{-0.1f, -0.1f},
{-0.1f, -0.1f},
{0.003f, 0.010f, 0.020f},
{50, 6}}};
std::string get_biome_str(Biome biome) {
std::string get_biome_str(BiomeType biome) {
std::string str;
using enum Biome;
using enum BiomeType;
switch (biome) {
case PLAIN:
str = "Plain";
@@ -86,8 +84,8 @@ Biome get_biome_from_noise(float temp, float humid) {
return Biome::FOREST;
}
*/
Biome get_biome_from_noise(float temp, float humid) {
using enum Biome;
BiomeType get_biome_from_noise(float temp, float humid) {
using enum BiomeType;
if (plain.temp.first <= temp && temp < plain.temp.second &&
plain.humid.first <= humid && humid < plain.humid.second) {
return PLAIN;
@@ -107,8 +105,8 @@ Biome get_biome_from_noise(float temp, float humid) {
Logger::warn("Invail Temp {} or Humid {}", temp, humid);
return PLAIN;
}
std::array<float, 3> get_noise_frequencies_for_biome(Biome biome) {
using enum Biome;
std::array<float, 3> get_noise_frequencies_for_biome(BiomeType biome) {
using enum BiomeType;
switch (biome) {
case PLAIN:
return plain.frequencies;
@@ -128,8 +126,8 @@ std::array<float, 3> get_noise_frequencies_for_biome(Biome biome) {
return {0.003f, 0.015f, 0.06f};
}
BiomeHeightRange get_biome_height_range(Biome biome) {
using enum Biome;
BiomeHeightRange get_biome_height_range(BiomeType biome) {
using enum BiomeType;
switch (biome) {
case PLAIN:
return plain.height_range;
@@ -149,16 +147,16 @@ BiomeHeightRange get_biome_height_range(Biome biome) {
return {62, 4};
}
Biome safe_int_to_biome(int x) {
using enum Biome;
static const std::unordered_map<int, Biome> INT_TO_BIOME_MAP{
BiomeType safe_int_to_biome(int x) {
using enum BiomeType;
static const std::unordered_map<int, BiomeType> INT_TO_BIOME_MAP{
{0, PLAIN}, {1, FOREST}, {2, DESERT}, {3, MOUNTAIN}, {4, RIVER}};
auto it = INT_TO_BIOME_MAP.find(x);
ASSERT_MSG(it != INT_TO_BIOME_MAP.end(), ":Can't Find");
return it->second;
}
/*
int get_interpolated_height(float world_x, float world_z, float temp,
float humid) {
@@ -186,7 +184,7 @@ int get_interpolated_height(float world_x, float world_z, float temp,
w_desert /= total;
w_forest /= total;
auto sample_height = [&](Biome b) -> float {
auto sample_height = [&](BiomeType b) -> float {
auto range = get_biome_height_range(b);
auto [f1, f2, f3] = get_noise_frequencies_for_biome(b);
float n = 1.00f * PerlinNoise::noise(world_x * f1, 0.5f, world_z * f1) +
@@ -196,13 +194,13 @@ int get_interpolated_height(float world_x, float world_z, float temp,
return range.base_y + n * range.amplitude;
};
float h = w_mountain * sample_height(Biome::MOUNTAIN) +
w_plain * sample_height(Biome::PLAIN) +
w_desert * sample_height(Biome::DESERT) +
w_forest * sample_height(Biome::FOREST);
float h = w_mountain * sample_height(BiomeType::MOUNTAIN) +
w_plain * sample_height(BiomeType::PLAIN) +
w_desert * sample_height(BiomeType::DESERT) +
w_forest * sample_height(BiomeType::FOREST);
return static_cast<int>(h);
}
*/
PlainParams& plain_params() { return plain; }
ForestParams& forest_params() { return forest; }
DesertParams& desert_params() { return desert; }