X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fblock.hpp;h=3af80a854f29cc8945201b6af8d9babfd855c60a;hb=35c09fc00094a3d390732fd533b2bd03413d90c7;hp=72954ce596a6b846c2b14e0ac8227064c3c7d792;hpb=75e72685a7398d2e30d51fadeaacde849518e188;p=blank.git

diff --git a/src/block.hpp b/src/block.hpp
index 72954ce..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<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;
+
+	};
+
 };
 
 
@@ -59,7 +136,10 @@ struct BlockType {
 
 	Block::Type id;
 
+	int luminosity;
+
 	bool visible;
+	bool block_light;
 
 	struct Faces {
 		bool face[Block::FACE_COUNT];
@@ -89,6 +169,11 @@ struct BlockType {
 		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 },