X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fblock.hpp;h=4fcee4cac2f0c2a6e7be58d095e6ee16c982870e;hb=4ef32c5a4a5bdb6da8383f66d8265715eb2ed4f9;hp=a63cf26b59671cab7468a6372eca2fdc675d18b1;hpb=b4995967309bf5570161db2287e27b84ca94ab9a;p=blank.git diff --git a/src/block.hpp b/src/block.hpp index a63cf26..4fcee4c 100644 --- a/src/block.hpp +++ b/src/block.hpp @@ -17,31 +17,76 @@ struct Block { using Type = unsigned short; using Pos = glm::vec3; - enum Direction { - DIR_UP, - DIR_DOWN, - DIR_LEFT, - DIR_RIGHT, - DIR_FRONT, - DIR_BACK, - DIR_COUNT, + enum Face { + FACE_UP, + FACE_DOWN, + FACE_RIGHT, + FACE_LEFT, + FACE_FRONT, + FACE_BACK, + FACE_COUNT, }; - enum Rotation { - ROT_NONE, - ROT_90, - ROT_180, - ROT_270, - ROT_COUNT, + enum Turn { + TURN_NONE, + TURN_LEFT, + TURN_AROUND, + TURN_RIGHT, + TURN_COUNT, }; Type type; unsigned char orient; - constexpr explicit Block(Type type = 0, Direction dir = DIR_UP, Rotation rot = ROT_NONE) - : type(type), orient(dir * ROT_COUNT + rot) { } + 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; + Face GetFace() const { return Face(orient / TURN_COUNT); } + void SetFace(Face face) { orient = face * TURN_COUNT + GetTurn(); } + 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; + } + } + } + }; @@ -54,15 +99,22 @@ struct BlockType { Block::Type id; + int luminosity; + bool visible; + bool block_light; struct Faces { - bool right; - bool left; - bool top; - bool bottom; - 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( @@ -73,12 +125,18 @@ 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 },