X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fblock.hpp;h=ab34a30d05f6e17370c69b76d3970389555f64c6;hb=6e59f3102d6d64355d5a30b708a326327b089aaf;hp=3ccd74f71937f523473536910d1a28d4cfaf964b;hpb=1b022dd17364c9e3344afd86572f2ead14973cde;p=blank.git diff --git a/src/block.hpp b/src/block.hpp index 3ccd74f..ab34a30 100644 --- a/src/block.hpp +++ b/src/block.hpp @@ -34,19 +34,90 @@ struct Block { TURN_COUNT, }; + static constexpr int ORIENT_COUNT = FACE_COUNT * TURN_COUNT; + Type type; unsigned char orient; constexpr explicit Block(Type type = 0, Face face = FACE_UP, Turn turn = TURN_NONE) : type(type), orient(face * TURN_COUNT + turn) { } - const glm::mat4 &Transform() const; + const glm::mat4 &Transform() const { return orient2transform[orient]; } - 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; } + Face OrientedFace(Face f) const { return orient2face[orient][f]; } + + static Face Opposite(Face f) { + return Face(f ^ 1); + } + + static glm::tvec3 FaceNormal(Face face) { + return face2normal[face]; + } + + 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; + + }; + +private: + static const glm::tvec3 face2normal[6]; + static const glm::mat4 orient2transform[ORIENT_COUNT]; + static const Face orient2face[ORIENT_COUNT][FACE_COUNT]; + }; @@ -59,16 +130,22 @@ struct BlockType { Block::Type id; + int luminosity; + bool visible; + bool block_light; - // FIXME: fill faces don't respect block orientation 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( @@ -79,12 +156,20 @@ struct BlockType { static const NullShape DEFAULT_SHAPE; + bool FaceFilled(const Block &block, Block::Face face) const { + return fill[block.OrientedFace(face)]; + } 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 },