X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fblock.hpp;h=3af80a854f29cc8945201b6af8d9babfd855c60a;hb=35c09fc00094a3d390732fd533b2bd03413d90c7;hp=a142a96256e285e3acfca5b6848e04df00e4ebc0;hpb=f924498d348c33d0c27f129c599a7466312253b2;p=blank.git diff --git a/src/block.hpp b/src/block.hpp index a142a96..3af80a8 100644 --- a/src/block.hpp +++ b/src/block.hpp @@ -42,11 +42,88 @@ struct Block { const glm::mat4 &Transform() const; - Face GetFace() const { return Face(orient / 4); } + Face GetFace() const { return Face(orient / TURN_COUNT); } void SetFace(Face face) { orient = face * TURN_COUNT + GetTurn(); } - Turn GetTurn() const { return Turn(orient % 4); } + Turn GetTurn() const { return Turn(orient % TURN_COUNT); } void SetTurn(Turn turn) { orient = GetFace() * TURN_COUNT + turn; } + static Face Opposite(Face f) { + return Face(f ^ 1); + } + + static glm::tvec3 FaceNormal(Face face) { + switch (face) { + case FACE_UP: + return { 0, 1, 0 }; + case FACE_DOWN: + return { 0, -1, 0 }; + case FACE_RIGHT: + return { 1, 0, 0 }; + case FACE_LEFT: + return { -1, 0, 0 }; + case FACE_FRONT: + return { 0, 0, 1 }; + case FACE_BACK: + return { 0, 0, -1 }; + default: + return { 0, 0, 0 }; + } + } + + static Face NormalFace(const glm::vec3 &norm) { + const glm::vec3 anorm(abs(norm)); + if (anorm.x > anorm.y) { + if (anorm.x > anorm.z) { + return norm.x > 0.0f ? FACE_RIGHT : FACE_LEFT; + } else { + return norm.z > 0.0f ? FACE_FRONT : FACE_BACK; + } + } else { + if (anorm.y > anorm.z) { + return norm.y > 0.0f ? FACE_UP : FACE_DOWN; + } else { + return norm.z > 0.0f ? FACE_FRONT : FACE_BACK; + } + } + } + + struct FaceSet { + + explicit FaceSet(unsigned char v = 0) + : value(v) { } + + bool IsSet(Face f) const { + return value & Mask(f); + } + void Set(Face f) { + value |= Mask(f); + } + void Unset(Face f) { + value |= ~Mask(f); + } + + void Clear() { + value = 0; + } + void Fill() { + value = Mask(FACE_COUNT) - 1; + } + + bool Empty() const { + return value == 0; + } + bool All() const { + return value == Mask(FACE_COUNT) - 1; + } + + unsigned char Mask(Face f) const { + return 1 << f; + } + + unsigned char value; + + }; + }; @@ -59,15 +136,22 @@ struct BlockType { Block::Type id; + int luminosity; + bool visible; + bool block_light; struct Faces { - bool up; - bool down; - bool right; - bool left; - bool front; - bool back; + bool face[Block::FACE_COUNT]; + Faces &operator =(const Faces &other) { + for (int i = 0; i < Block::FACE_COUNT; ++i) { + face[i] = other.face[i]; + } + return *this; + } + bool operator [](Block::Face f) const { + return face[f]; + } } fill; explicit BlockType( @@ -78,12 +162,18 @@ struct BlockType { static const NullShape DEFAULT_SHAPE; + bool FaceFilled(const Block &, Block::Face) const; void FillModel( Model::Buffer &m, const glm::mat4 &transform = glm::mat4(1.0f), Model::Index idx_offset = 0 ) const; + void FillBlockModel( + BlockModel::Buffer &m, + const glm::mat4 &transform = glm::mat4(1.0f), + BlockModel::Index idx_offset = 0 + ) const; void FillOutlineModel( OutlineModel &m, const glm::vec3 &pos_offset = { 0, 0, 0 },