X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fworld%2FWorld.hpp;h=40136c8dff4a99315003582bd3b58a37d7cc5374;hb=6a3227ca747d0598711f7354cd39897184e9fe6a;hp=d17cba65e70e6f767182a64bf253f7ad8735fdfb;hpb=63e9bcbd2db058858777f5db96f24f02548115c7;p=blank.git

diff --git a/src/world/World.hpp b/src/world/World.hpp
index d17cba6..40136c8 100644
--- a/src/world/World.hpp
+++ b/src/world/World.hpp
@@ -5,6 +5,7 @@
 #include "Entity.hpp"
 #include "Generator.hpp"
 #include "Player.hpp"
+#include "../rand/GaloisLFSR.hpp"
 
 #include <cstdint>
 #include <list>
@@ -17,7 +18,6 @@ namespace blank {
 
 class BlockTypeRegistry;
 class EntityCollision;
-struct EntityDerivative;
 class Viewport;
 class WorldCollision;
 
@@ -42,6 +42,9 @@ public:
 
 	const std::string &Name() const noexcept { return config.name; }
 
+	/// get the shared random source for this world
+	GaloisLFSR &Random() noexcept { return rng; }
+
 	/// check if this ray hits a block
 	/// depth in the collision is the distance between the ray's
 	/// origin and the intersection point
@@ -100,8 +103,11 @@ public:
 
 	// dt in ms
 	void Update(int dt);
-	// dt in s
-	void Update(Entity &, float dt);
+
+	/// fix state so entity doesn't intersect with the solid world
+	void ResolveWorldCollision(const Entity &, EntityState &);
+	/// get force due to gravity at given location
+	glm::vec3 GravityAt(const ExactLocation &) const noexcept;
 
 	void Render(Viewport &);
 	void RenderDebug(Viewport &);
@@ -110,29 +116,6 @@ private:
 	using EntityHandle = std::list<Entity>::iterator;
 	EntityHandle RemoveEntity(EntityHandle &);
 
-	EntityDerivative CalculateStep(
-		const Entity &,
-		const EntityState &cur,
-		float dt,
-		const EntityDerivative &prev
-	);
-	glm::vec3 CalculateForce(
-		const Entity &,
-		const EntityState &cur
-	);
-	glm::vec3 ControlForce(
-		const Entity &,
-		const EntityState &
-	);
-	void CollisionFix(
-		const Entity &,
-		EntityState &
-	);
-	glm::vec3 Gravity(
-		const Entity &,
-		const EntityState &
-	);
-
 	/// calculate light direction and intensity at entity's location
 	void GetLight(
 		const Entity &entity,
@@ -151,6 +134,8 @@ private:
 	std::list<Player> players;
 	std::list<Entity> entities;
 
+	GaloisLFSR rng;
+
 	glm::vec3 light_direction;
 	float fog_density;