Deterministic replacement for the reference project's hash grid. 更多...

#include <HexFeatures.h>

Public 成员函数
	HexHashGrid (std::uint32_t seed=0u) noexcept
	Creates a hash field for `seed`.

HexHash	sample (HexVec3 position) const noexcept
	Samples the five-component hash at a world-space position.

静态 Public 属性
static constexpr float	kScale = 0.25f
	Spacing of the hash cells, matching the reference `hashGridScale`.

static constexpr std::int32_t	kSize = 256
	Size of the reference grid; only used to reproduce its wrap.

详细描述

Deterministic replacement for the reference project's hash grid.

The reference samples an array of HexHash cells indexed by worldXZ * hashGridScale, seeded once from Random. This implementation derives the same five values from a pure integer hash of the grid cell and the seed, so a map's decoration layout is reproducible from the map seed alone and no table has to be allocated or kept alive.

注解: Immutable after construction; safe to share between chunk builds.

在文件 HexFeatures.h 第 35 行定义.

构造及析构函数说明

◆ HexHashGrid()

eve::hexmap::HexHashGrid::HexHashGrid ( std::uint32_t seed = 0u )

inlineexplicitnoexcept

Creates a hash field for seed.

参数

seed	Deterministic seed; the same seed always yields the same field.

在文件 HexFeatures.h 第 46 行定义.

成员函数说明

◆ sample()

HexHash eve::hexmap::HexHashGrid::sample ( HexVec3 position ) const

noexcept

Samples the five-component hash at a world-space position.

在文件 HexFeatures.cpp 第 582 行定义.

引用了 eve::hexmap::HexHash::a, h, hash, position, u, value, x , 以及 z.

类成员变量说明

◆ kScale

constexpr float eve::hexmap::HexHashGrid::kScale = 0.25f

staticconstexpr

Spacing of the hash cells, matching the reference hashGridScale.

在文件 HexFeatures.h 第 38 行定义.

◆ kSize

constexpr std::int32_t eve::hexmap::HexHashGrid::kSize = 256

staticconstexpr

Size of the reference grid; only used to reproduce its wrap.

在文件 HexFeatures.h 第 40 行定义.

该类的文档由以下文件生成:

src/modules/hexmap/HexFeatures.h
src/modules/hexmap/HexFeatures.cpp

Public 成员函数

静态 Public 属性