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feat: add 4 biomes

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This commit is contained in:
zhenyan121
2026-04-17 19:55:47 +08:00
parent be176ff18a
commit 5723c17f94
23 changed files with 259 additions and 40 deletions
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117
src/gameplay/chunk.cpp
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@@ -2,7 +2,10 @@
#include <Cubed/gameplay/world.hpp>
#include <Cubed/tools/cubed_assert.hpp>
#include <Cubed/tools/log.hpp>
#include <Cubed/tools/math_tools.hpp>
#include <Cubed/tools/perlin_noise.hpp>
#include <utility>
Chunk::Chunk(World& world, ChunkPos chunk_pos) :
m_world(world),
m_chunk_pos(chunk_pos)
@@ -23,7 +26,8 @@ Chunk::Chunk(Chunk&& other) :
m_world(other.m_world),
m_blocks(std::move(other.m_blocks)),
m_dirty(other.is_dirty()),
m_vertexs_data(std::move(other.m_vertexs_data))
m_vertexs_data(std::move(other.m_vertexs_data)),
m_biome(other.m_biome)
{
other.m_vbo = 0;
}
@@ -35,9 +39,14 @@ Chunk& Chunk::operator=(Chunk&& other) {
m_blocks = std::move(other.m_blocks);
m_dirty = other.is_dirty();
m_vertexs_data = std::move(other.m_vertexs_data);
m_biome = other.m_biome;
return *this;
}
Biome Chunk::get_biome() const {
return m_biome;
}
const std::vector<uint8_t>& Chunk::get_chunk_blocks() const{
return m_blocks;
}
@@ -212,41 +221,8 @@ const std::vector<Vertex>& Chunk::get_vertex_data() const{
}
void Chunk::init_chunk() {
m_blocks.assign(CHUCK_SIZE * CHUCK_SIZE * WORLD_SIZE_Y, 0);
for (int x = 0; x < CHUCK_SIZE; x++) {
for (int y = 0; y < 5; y++) {
for (int z = 0; z < CHUCK_SIZE; z++) {
m_blocks[get_index(x, y, z)] = 3;
}
}
}
for (int x = 0; x < CHUCK_SIZE; x++) {
for (int z = 0; z < CHUCK_SIZE; z++) {
float world_x = static_cast<float>(x + m_chunk_pos.x * CHUCK_SIZE);
float world_z = static_cast<float>(z + m_chunk_pos.z * CHUCK_SIZE);
float noise =
0.5f * PerlinNoise::noise(world_x * 0.01f, world_z * 0.01f, 0.5f) +
0.25f * PerlinNoise::noise(world_x * 0.02f, world_z * 0.02f, 0.5f) +
0.125f * PerlinNoise::noise(world_x * 0.04f, world_z * 0.04f, 0.5f);
int y_max = height * noise;
for (int y = 5; y < y_max - 5; y++) {
m_blocks[get_index(x, y, z)] = 3;
}
for (int y = y_max - 5; y < y_max - 1; y++) {
m_blocks[get_index(x, y, z)] = 2;
}
for (int y = y_max - 1; y < y_max; y++) {
m_blocks[get_index(x, y, z)] = 1;
}
}
}
mark_dirty();
resolve_biome();
resolve_blocks();
}
void Chunk::upload_to_gpu() {
@@ -281,3 +257,72 @@ void Chunk::set_chunk_block(int index ,unsigned id) {
}
void Chunk::resolve_biome() {
float cx = (m_chunk_pos.x + 0.5f) * CHUCK_SIZE;
float cz = (m_chunk_pos.z + 0.5f) * CHUCK_SIZE;
float temp = PerlinNoise::noise(cx * BIOME_NOISE_FREQUENCY, 0.0f, cz * BIOME_NOISE_FREQUENCY);
float humid = PerlinNoise::noise(cx * BIOME_NOISE_FREQUENCY, 1.0f, cz * BIOME_NOISE_FREQUENCY);
m_biome = get_biome_from_noise(temp, humid);
}
void Chunk::resolve_blocks() {
m_blocks.assign(CHUCK_SIZE * CHUCK_SIZE * WORLD_SIZE_Y, 0);
for (int x = 0; x < CHUCK_SIZE; x++) {
for (int y = 0; y < 5; y++) {
for (int z = 0; z < CHUCK_SIZE; z++) {
m_blocks[get_index(x, y, z)] = 3;
}
}
}
for (int x = 0; x < CHUCK_SIZE; x++) {
for (int z = 0; z < CHUCK_SIZE; z++) {
float world_x = static_cast<float>(x + m_chunk_pos.x * CHUCK_SIZE);
float world_z = static_cast<float>(z + m_chunk_pos.z * CHUCK_SIZE);
float biome_noise = PerlinNoise::noise(
world_x * BIOME_NOISE_FREQUENCY,
0.5f,
world_z * BIOME_NOISE_FREQUENCY
);
float temp = PerlinNoise::noise(world_x * BIOME_NOISE_FREQUENCY, 0.0f, world_z * BIOME_NOISE_FREQUENCY);
float humid = PerlinNoise::noise(world_x * BIOME_NOISE_FREQUENCY, 1.0f, world_z * BIOME_NOISE_FREQUENCY);
int height = Math::get_interpolated_height(world_x, world_z, biome_noise, temp, humid);
auto biome = get_biome_from_noise(temp, humid);
for (int y = 5; y < height - 5; y++) {
m_blocks[get_index(x, y, z)] = 3;
}
if (biome == Biome::MOUNTAIN) {
for (int y = height - 5; y < height - 1; y++) {
if (y > 101) {
m_blocks[get_index(x, y, z)] = 3;
} else {
m_blocks[get_index(x, y, z)] = 2;
}
}
if (height - 1 > 101) {
m_blocks[get_index(x, height - 1, z)] = 3;
} else {
m_blocks[get_index(x, height - 1, z)] = 1;
}
} else if (biome == Biome::DESERT) {
for (int y = height - 5; y < height; y++) {
m_blocks[get_index(x, y, z)] = 4;
}
} else {
for (int y = height - 5; y < height - 1; y++) {
m_blocks[get_index(x, y, z)] = 2;
}
for (int y = height - 1; y < height; y++) {
m_blocks[get_index(x, y, z)] = 1;
}
}
}
}
mark_dirty();
}