X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fblock.hpp;h=ab34a30d05f6e17370c69b76d3970389555f64c6;hb=6e59f3102d6d64355d5a30b708a326327b089aaf;hp=5d8e7e70c5404f5b3e201b49beb23584860cbf23;hpb=9c1f7b20394808f7ec7a6cadd9e0dd665c6f6bd5;p=blank.git

diff --git a/src/block.hpp b/src/block.hpp
index 5d8e7e7..ab34a30 100644
--- a/src/block.hpp
+++ b/src/block.hpp
@@ -17,10 +17,106 @@ struct Block {
 	using Type = unsigned short;
 	using Pos = glm::vec3;
 
+	enum Face {
+		FACE_UP,
+		FACE_DOWN,
+		FACE_RIGHT,
+		FACE_LEFT,
+		FACE_FRONT,
+		FACE_BACK,
+		FACE_COUNT,
+	};
+	enum Turn {
+		TURN_NONE,
+		TURN_LEFT,
+		TURN_AROUND,
+		TURN_RIGHT,
+		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 { return orient2transform[orient]; }
+
+	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; }
+
+	Face OrientedFace(Face f) const { return orient2face[orient][f]; }
+
+	static Face Opposite(Face f) {
+		return Face(f ^ 1);
+	}
+
+	static glm::tvec3<int> 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;
+
+	};
 
-	constexpr explicit Block(Type type = 0)
-	: type(type) { }
+private:
+	static const glm::tvec3<int> face2normal[6];
+	static const glm::mat4 orient2transform[ORIENT_COUNT];
+	static const Face orient2face[ORIENT_COUNT][FACE_COUNT];
 
 };
 
@@ -28,29 +124,52 @@ struct Block {
 /// attributes of a type of block
 struct BlockType {
 
-	Block::Type id;
-
-	bool visible;
-
 	const Shape *shape;
 	glm::vec3 color;
 	glm::vec3 outline_color;
 
+	Block::Type id;
+
+	int luminosity;
+
+	bool visible;
+	bool block_light;
+
+	struct Faces {
+		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(
 		bool v = false,
 		const glm::vec3 &color = { 1, 1, 1 },
-		const Shape *shape = &DEFAULT_SHAPE,
-		const glm::vec3 &outline_color = { -1, -1, -1 })
-	: id(0), visible(v), shape(shape), color(color), outline_color(outline_color) { }
+		const Shape *shape = &DEFAULT_SHAPE
+	);
 
 	static const NullShape DEFAULT_SHAPE;
 
+	bool FaceFilled(const Block &block, Block::Face face) const {
+		return fill[block.OrientedFace(face)];
+	}
 
 	void FillModel(
-		Model &m,
-		const glm::vec3 &pos_offset = { 0, 0, 0 },
+		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 },