X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fblock.hpp;h=3af80a854f29cc8945201b6af8d9babfd855c60a;hb=35c09fc00094a3d390732fd533b2bd03413d90c7;hp=967cc1fccc69cf192950d0247fc0f9429e8ab88e;hpb=a58c4558e7d4934f4d0ee621520acfe1c8258c93;p=blank.git

diff --git a/src/block.hpp b/src/block.hpp
index 967cc1f..3af80a8 100644
--- a/src/block.hpp
+++ b/src/block.hpp
@@ -17,10 +17,112 @@ struct Block {
 	using Type = unsigned short;
 	using Pos = glm::vec3;
 
-	Type type;
+	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,
+	};
 
-	constexpr explicit Block(Type type = 0)
-	: type(type) { }
+	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;
+
+	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<int> 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;
+
+	};
 
 };
 
@@ -34,15 +136,22 @@ 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(
@@ -53,12 +162,18 @@ struct BlockType {
 
 	static const NullShape DEFAULT_SHAPE;
 
+	bool FaceFilled(const Block &, Block::Face) const;
 
 	void FillModel(
 		Model::Buffer &m,
-		const glm::vec3 &pos_offset = { 0, 0, 0 },
+		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 },