#include <list>
#include <vector>
#include <glm/glm.hpp>
+#include <glm/gtx/transform.hpp>
namespace blank {
using Pos = glm::tvec3<int>;
public:
- explicit Chunk(const BlockTypeRegistry &);
+ explicit Chunk(const BlockTypeRegistry &) noexcept;
- Chunk(Chunk &&);
- Chunk &operator =(Chunk &&);
+ Chunk(Chunk &&) noexcept;
+ Chunk &operator =(Chunk &&) noexcept;
- static constexpr int Width() { return 16; }
- static constexpr int Height() { return 16; }
- static constexpr int Depth() { return 16; }
- static Pos Extent() { return { Width(), Height(), Depth() }; }
- static constexpr int Size() { return Width() * Height() * Depth(); }
+ static constexpr int width = 16;
+ static constexpr int height = 16;
+ static constexpr int depth = 16;
+ static Pos Extent() noexcept { return { width, height, depth }; }
+ static constexpr int size = width * height * depth;
- static AABB Bounds() { return AABB{ { 0, 0, 0 }, Extent() }; }
+ static AABB Bounds() noexcept { return AABB{ { 0, 0, 0 }, Extent() }; }
- static constexpr bool InBounds(const Block::Pos &pos) {
+ static constexpr bool InBounds(const Block::Pos &pos) noexcept {
return
- pos.x >= 0 && pos.x < Width() &&
- pos.y >= 0 && pos.y < Height() &&
- pos.z >= 0 && pos.z < Depth();
+ pos.x >= 0 && pos.x < width &&
+ pos.y >= 0 && pos.y < height &&
+ pos.z >= 0 && pos.z < depth;
}
- static constexpr bool InBounds(const Pos &pos) {
+ static constexpr bool InBounds(const Pos &pos) noexcept {
return
- pos.x >= 0 && pos.x < Width() &&
- pos.y >= 0 && pos.y < Height() &&
- pos.z >= 0 && pos.z < Depth();
+ pos.x >= 0 && pos.x < width &&
+ pos.y >= 0 && pos.y < height &&
+ pos.z >= 0 && pos.z < depth;
}
- static constexpr int ToIndex(const Pos &pos) {
- return pos.x + pos.y * Width() + pos.z * Width() * Height();
+ static constexpr int ToIndex(const Pos &pos) noexcept {
+ return pos.x + pos.y * width + pos.z * width * height;
}
- static constexpr bool InBounds(int idx) {
- return idx >= 0 && idx < Size();
+ static constexpr bool InBounds(int idx) noexcept {
+ return idx >= 0 && idx < size;
}
- static Block::Pos ToCoords(int idx) {
+ static Block::Pos ToCoords(int idx) noexcept {
return Block::Pos(
- 0.5f + (idx % Width()),
- 0.5f + ((idx / Width()) % Height()),
- 0.5f + (idx / (Width() * Height()))
+ 0.5f + (idx % width),
+ 0.5f + ((idx / width) % height),
+ 0.5f + (idx / (width * height))
);
}
- static Pos ToPos(int idx) {
+ static Block::Pos ToCoords(const Pos &pos) noexcept {
+ return Block::Pos(pos) + 0.5f;
+ }
+ static Pos ToPos(int idx) noexcept {
return Pos(
- (idx % Width()),
- ((idx / Width()) % Height()),
- (idx / (Width() * Height()))
+ (idx % width),
+ ((idx / width) % height),
+ (idx / (width * height))
);
}
- glm::mat4 ToTransform(int idx) const;
+ glm::mat4 ToTransform(const Pos &pos, int idx) const noexcept;
- static constexpr bool IsBorder(int idx) {
+ static constexpr bool IsBorder(int idx) noexcept {
return
- idx < Width() * Height() || // low Z plane
- idx % Width() == 0 || // low X plane
- (idx / (Width() * Height())) == Depth() - 1 || // high Z plane
- idx % Width() == Width() - 1 || // high X plane
- (idx / Width()) % Height() == 0 || // low Y plane
- (idx / Width()) % Height() == Height() - 1; // high Y plane
+ idx < width * height || // low Z plane
+ idx % width == 0 || // low X plane
+ (idx / (width * height)) == depth - 1 || // high Z plane
+ idx % width == width - 1 || // high X plane
+ (idx / width) % height == 0 || // low Y plane
+ (idx / width) % height == height - 1; // high Y plane
}
- bool IsSurface(int index) const { return IsSurface(ToPos(index)); }
- bool IsSurface(const Block::Pos &pos) const { return IsSurface(Pos(pos)); }
- bool IsSurface(const Pos &pos) const;
+ bool IsSurface(int index) const noexcept { return IsSurface(ToPos(index)); }
+ bool IsSurface(const Block::Pos &pos) const noexcept { return IsSurface(Pos(pos)); }
+ bool IsSurface(const Pos &pos) const noexcept;
- void SetNeighbor(Chunk &);
- bool HasNeighbor(Block::Face f) const { return neighbor[f]; }
- Chunk &GetNeighbor(Block::Face f) { return *neighbor[f]; }
- const Chunk &GetNeighbor(Block::Face f) const { return *neighbor[f]; }
- void ClearNeighbors();
- void Unlink();
- void Relink();
+ void SetNeighbor(Chunk &) noexcept;
+ bool HasNeighbor(Block::Face f) const noexcept { return neighbor[f]; }
+ Chunk &GetNeighbor(Block::Face f) noexcept { return *neighbor[f]; }
+ const Chunk &GetNeighbor(Block::Face f) const noexcept { return *neighbor[f]; }
+ void ClearNeighbors() noexcept;
+ void Unlink() noexcept;
+ void Relink() noexcept;
- // check if block at given index is completely enclosed (and therefore invisible)
- bool Obstructed(int idx) const;
+ // check which faces of a block at given index are obstructed (and therefore invisible)
+ Block::FaceSet Obstructed(const Pos &) const noexcept;
- void Invalidate() { dirty = true; }
+ void Invalidate() noexcept { dirty = true; }
- void SetBlock(int index, const Block &);
- void SetBlock(const Block::Pos &pos, const Block &block) { SetBlock(ToIndex(pos), block); }
- void SetBlock(const Pos &pos, const Block &block) { SetBlock(ToIndex(pos), block); }
+ void SetBlock(int index, const Block &) noexcept;
+ void SetBlock(const Block::Pos &pos, const Block &block) noexcept { SetBlock(ToIndex(pos), block); }
+ void SetBlock(const Pos &pos, const Block &block) noexcept { SetBlock(ToIndex(pos), block); }
- const Block &BlockAt(int index) const { return blocks[index]; }
- const Block &BlockAt(const Block::Pos &pos) const { return BlockAt(ToIndex(pos)); }
- const Block &BlockAt(const Pos &pos) const { return BlockAt(ToIndex(pos)); }
+ const Block &BlockAt(int index) const noexcept { return blocks[index]; }
+ const Block &BlockAt(const Block::Pos &pos) const noexcept { return BlockAt(ToIndex(pos)); }
+ const Block &BlockAt(const Pos &pos) const noexcept { return BlockAt(ToIndex(pos)); }
- const BlockType &Type(const Block &b) const { return *types->Get(b.type); }
+ const BlockType &Type(const Block &b) const noexcept { return types->Get(b.type); }
+ const BlockType &Type(int index) const noexcept { return Type(BlockAt(index)); }
- void SetLight(int index, int level);
- void SetLight(const Pos &pos, int level) { SetLight(ToIndex(pos), level); }
- void SetLight(const Block::Pos &pos, int level) { SetLight(ToIndex(pos), level); }
+ void SetLight(int index, int level) noexcept;
+ void SetLight(const Pos &pos, int level) noexcept { SetLight(ToIndex(pos), level); }
+ void SetLight(const Block::Pos &pos, int level) noexcept { SetLight(ToIndex(pos), level); }
- int GetLight(int index) const;
- int GetLight(const Pos &pos) const { return GetLight(ToIndex(pos)); }
- int GetLight(const Block::Pos &pos) const { return GetLight(ToIndex(pos)); }
+ int GetLight(int index) const noexcept;
+ int GetLight(const Pos &pos) const noexcept { return GetLight(ToIndex(pos)); }
+ int GetLight(const Block::Pos &pos) const noexcept { return GetLight(ToIndex(pos)); }
- float GetVertexLight(int index, const BlockModel::Position &, const Model::Normal &) const;
+ float GetVertexLight(const Pos &, const BlockModel::Position &, const Model::Normal &) const noexcept;
bool Intersection(
const Ray &ray,
const glm::mat4 &M,
float &dist
- ) const {
+ ) const noexcept {
return blank::Intersection(ray, Bounds(), M, &dist);
}
const glm::mat4 &M,
int &blkid,
float &dist,
- glm::vec3 &normal) const;
+ glm::vec3 &normal) const noexcept;
- void Position(const Pos &);
- const Pos &Position() const { return position; }
- glm::mat4 Transform(const Pos &offset) const;
+ void Position(const Pos &pos) noexcept { position = pos; }
+ const Pos &Position() const noexcept { return position; }
+ glm::mat4 Transform(const Pos &offset) const noexcept {
+ return glm::translate((position - offset) * Extent());
+ }
- void CheckUpdate();
- void Draw();
+ void CheckUpdate() noexcept;
+ void Draw() noexcept;
private:
- void Update();
+ void Update() noexcept;
private:
const BlockTypeRegistry *types;
public:
// resolve chunk/position from oob coordinates
- BlockLookup(Chunk *c, const Chunk::Pos &p);
+ BlockLookup(Chunk *c, const Chunk::Pos &p) noexcept;
// resolve chunk/position from ib coordinates and direction
- BlockLookup(Chunk *c, const Chunk::Pos &p, Block::Face dir);
+ BlockLookup(Chunk *c, const Chunk::Pos &p, Block::Face dir) noexcept;
// check if lookup was successful
operator bool() const { return chunk; }
// only valid if lookup was successful
- Chunk &GetChunk() const { return *chunk; }
- const Chunk::Pos &GetBlockPos() const { return pos; }
- const Block &GetBlock() const { return GetChunk().BlockAt(GetBlockPos()); }
- const BlockType &GetType() const { return GetChunk().Type(GetBlock()); }
- int GetLight() const { return GetChunk().GetLight(GetBlockPos()); }
+ Chunk &GetChunk() const noexcept { return *chunk; }
+ const Chunk::Pos &GetBlockPos() const noexcept { return pos; }
+ const Block &GetBlock() const noexcept { return GetChunk().BlockAt(GetBlockPos()); }
+ const BlockType &GetType() const noexcept { return GetChunk().Type(GetBlock()); }
+ int GetLight() const noexcept { return GetChunk().GetLight(GetBlockPos()); }
+
+ // traverse in given direction
+ BlockLookup Next(Block::Face f) const { return BlockLookup(chunk, pos, f); }
private:
Chunk *chunk;
int unload_dist = 8;
};
- ChunkLoader(const Config &, const BlockTypeRegistry &, const Generator &);
+ ChunkLoader(const Config &, const BlockTypeRegistry &, const Generator &) noexcept;
void Generate(const Chunk::Pos &from, const Chunk::Pos &to);
void GenerateSurrounding(const Chunk::Pos &);
- std::list<Chunk> &Loaded() { return loaded; }
+ std::list<Chunk> &Loaded() noexcept { return loaded; }
- Chunk *Loaded(const Chunk::Pos &);
- bool Queued(const Chunk::Pos &);
- bool Known(const Chunk::Pos &);
+ Chunk *Loaded(const Chunk::Pos &) noexcept;
+ bool Queued(const Chunk::Pos &) noexcept;
+ bool Known(const Chunk::Pos &) noexcept;
Chunk &ForceLoad(const Chunk::Pos &);
void Rebase(const Chunk::Pos &);
private:
Chunk &Generate(const Chunk::Pos &pos);
- void Insert(Chunk &);
- void Remove(Chunk &);
+ void Insert(Chunk &) noexcept;
+ void Remove(Chunk &) noexcept;
private:
Chunk::Pos base;
projects / blank.git / blobdiff