X-Git-Url: https://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fworld%2FWorld.hpp;h=e29474e99f47af5e164943a4965fd896cbc2ee17;hb=170c0ff60b9679c954a9e74d5300c9929899b2bd;hp=d58ad6f0d644be82ba3547a95f3dddce54c28056;hpb=b066e776622f96e906600a0c4a08de392bd03676;p=blank.git

diff --git a/src/world/World.hpp b/src/world/World.hpp
index d58ad6f..e29474e 100644
--- a/src/world/World.hpp
+++ b/src/world/World.hpp
@@ -17,6 +17,7 @@ namespace blank {
 
 class BlockTypeRegistry;
 class EntityCollision;
+struct EntityDerivative;
 class Viewport;
 class WorldCollision;
 
@@ -25,8 +26,8 @@ class World {
 public:
 	struct Config {
 		std::string name = "default";
-		// initial player position
-		glm::vec3 spawn = { 0.0f, 0.0f, 0.0f };
+		// chunk base where new players are spawned
+		glm::ivec3 spawn = { 0, 0, 0 };
 		// direction facing towards(!) the light
 		glm::vec3 light_direction = { -1.0f, -3.0f, -2.0f };
 		// fade out reaches 1/e (0.3679) at 1/fog_density,
@@ -61,8 +62,15 @@ public:
 		EntityCollision &);
 
 	/// check if given entity intersects with the world
-	bool Intersection(const Entity &e, std::vector<WorldCollision> &);
-	void Resolve(Entity &e, std::vector<WorldCollision> &);
+	bool Intersection(const Entity &e, const EntityState &, std::vector<WorldCollision> &);
+
+	/// check if given box (M * AABB) intersects with the world
+	/// M is assumed to be calculated in reference to given chunk coords
+	bool Intersection(
+		const AABB &box,
+		const glm::mat4 &M,
+		const glm::ivec3 &reference,
+		std::vector<WorldCollision> &);
 
 	const BlockTypeRegistry &BlockTypes() noexcept { return block_type; }
 	ChunkStore &Chunks() noexcept { return chunks; }
@@ -82,11 +90,15 @@ public:
 	/// returs an existing entity if ID is already taken
 	Entity &ForceAddEntity(std::uint32_t id);
 
+	std::list<Player> &Players() noexcept { return players; }
 	const std::list<Player> &Players() const noexcept { return players; }
 	std::list<Entity> &Entities() noexcept { return entities; }
 	const std::list<Entity> &Entities() const noexcept { return entities; }
 
+	// dt in ms
 	void Update(int dt);
+	// dt in s
+	void Update(Entity &, float dt);
 
 	void Render(Viewport &);
 
@@ -94,13 +106,35 @@ 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 &
+	);
+	glm::vec3 CollisionForce(
+		const Entity &,
+		const EntityState &
+	);
+	glm::vec3 Gravity(
+		const Entity &,
+		const EntityState &
+	);
+
 private:
 	Config config;
 
 	const BlockTypeRegistry &block_type;
 
 	ChunkStore chunks;
-	ChunkIndex &spawn_index;
 
 	std::list<Player> players;
 	std::list<Entity> entities;