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70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
#include "Block.h"
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#include "Chunk.h"
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#include "Maths/Constants.h"
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#include "Maths/Vec2.h"
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#include <NoiseCollection.h>
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#include <Noise.h>
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#include <cstdint>
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#include <memory>
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Noise* NoiseCollection::GetNoise(const std::string& key) const
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{
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auto it = m_collection.find(key);
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if(it != m_collection.end())
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return it->second.get();
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Scop::FatalError("A non existant Noise has been requested");
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return nullptr;
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}
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const std::array<std::uint32_t, CHUNK_SIZE.y> NoiseCollection::GetBlocks(Scop::Vec2i pos)
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{
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const std::uint32_t height = m_collection["terrain"]->Perlin2D(pos.x, pos.y) + ARTIFICIAL_ELEVATION;
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std::array<std::uint32_t, CHUNK_SIZE.y> data;
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std::memset(data.data(), static_cast<std::uint32_t>(BlockType::Air), data.size() * sizeof(std::uint32_t));
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data = c_biomecollection.GetBiomeBlocks("grassland", height, pos);
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return data;
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for(std::uint32_t y = 0; y < std::min(height, CHUNK_SIZE.y); y++)
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{
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// const std::uint32_t value = Perlin3D(pos.x, y, pos.y);
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if(y > std::min(height, CHUNK_SIZE.y) - 2)
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{
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if(height <= 23 + ARTIFICIAL_ELEVATION)
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data[y] = static_cast<std::uint32_t>(BlockType::Sand);
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else if(height < 125 + ARTIFICIAL_ELEVATION)
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data[y] = static_cast<std::uint32_t>(BlockType::Grass);
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else if (height < 132 + ARTIFICIAL_ELEVATION)
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{
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float weight = sin(2 * (pos.x * pos.y)) + sin(Scop::Pi<float>() * (pos.x * pos.y));
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if (weight > 0.0f)
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data[y] = static_cast<std::uint32_t>(BlockType::Grass);
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else
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data[y] = static_cast<std::uint32_t>(BlockType::SnowyGrass);
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}
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else if (height < 140 + ARTIFICIAL_ELEVATION)
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{
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float weight = sin(2 * (pos.x * pos.y)) + sin(Scop::Pi<float>() * (pos.x * pos.y));
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if (weight > 0.0f)
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data[y] = static_cast<std::uint32_t>(BlockType::Snow);
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else
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data[y] = static_cast<std::uint32_t>(BlockType::SnowyGrass);
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}
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else
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data[y] = static_cast<std::uint32_t>(BlockType::Snow);
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}
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else
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data[y] = static_cast<std::uint32_t>(BlockType::Stone);
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}
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for(std::uint32_t y = 0; y < ARTIFICIAL_ELEVATION + WATER_LEVEL; y++)
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{
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if(data[y] == static_cast<std::uint32_t>(BlockType::Air))
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data[y] = static_cast<std::uint32_t>(BlockType::Water);
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}
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const std::uint32_t biome_value = m_collection["biomes"]->Perlin2D(pos.x, pos.y);
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if (biome_value > 20)
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data[240] = static_cast<std::uint32_t>(BlockType::Stone);
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return data;
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}
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