X-Git-Url: https://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fworld%2FBody.hpp;h=fba121b90995d113c2fad374c39db8bd7ae28942;hb=196f02bdbbd372b77141201f045fcfea318093b1;hp=1b9e2e3a2a65036b75f370aa47a58b3730374545;hpb=c5556cf5f6813887a3503433c021ccd2e7fae865;p=blobs.git

diff --git a/src/world/Body.hpp b/src/world/Body.hpp
index 1b9e2e3..fba121b 100644
--- a/src/world/Body.hpp
+++ b/src/world/Body.hpp
@@ -16,6 +16,7 @@ namespace graphics {
 }
 namespace world {
 
+class Creature;
 class Simulation;
 
 class Body {
@@ -70,14 +71,24 @@ public:
 	double OrbitalPeriod() const noexcept;
 	double RotationalPeriod() const noexcept;
 
-	glm::dmat4 LocalTransform() const noexcept;
-	glm::dmat4 InverseTransform() const noexcept;
+	const glm::dmat4 &LocalTransform() const noexcept { return local; }
+	const glm::dmat4 &InverseTransform() const noexcept { return inverse_local; }
 
-	glm::dmat4 ToParent() const noexcept;
-	glm::dmat4 FromParent() const noexcept;
+	const glm::dmat4 &ToParent() const noexcept { return inverse_orbital; }
+	const glm::dmat4 &FromParent() const noexcept { return orbital; }
+
+	glm::dmat4 ToUniverse() const noexcept;
+	glm::dmat4 FromUniverse() const noexcept;
 
 	virtual void Draw(app::Assets &, graphics::Viewport &) { }
 
+	void Cache() noexcept;
+
+	// body takes over ownership of given pointer
+	void AddCreature(Creature *);
+	std::vector<Creature *> &Creatures() noexcept { return creatures; }
+	const std::vector<Creature *> &Creatures() const noexcept { return creatures; }
+
 private:
 	void AddChild(Body &);
 	void RemoveChild(Body &);
@@ -94,6 +105,13 @@ private:
 	double rotation;
 	double angular;
 
+	glm::dmat4 orbital;
+	glm::dmat4 inverse_orbital;
+	glm::dmat4 local;
+	glm::dmat4 inverse_local;
+
+	std::vector<Creature *> creatures;
+
 };
 
 }