X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fworld%2FWorld.hpp;h=e2858739387830ddff08812d4907d084fea975a5;hb=e4a1425dccd0ba9b106e415dd02809f4308a85ee;hp=b98efca544ef0969af3f056075b43f039986e80f;hpb=549646ac3e5bede5e77031f773649edf8de83608;p=blank.git

diff --git a/src/world/World.hpp b/src/world/World.hpp
index b98efca..e285873 100644
--- a/src/world/World.hpp
+++ b/src/world/World.hpp
@@ -1,19 +1,23 @@
 #ifndef BLANK_WORLD_WORLD_HPP_
 #define BLANK_WORLD_WORLD_HPP_
 
-#include "BlockTypeRegistry.hpp"
-#include "ChunkLoader.hpp"
+#include "ChunkStore.hpp"
 #include "Entity.hpp"
 #include "Generator.hpp"
-#include "../model/shapes.hpp"
+#include "Player.hpp"
 
+#include <cstdint>
 #include <list>
+#include <string>
 #include <vector>
 #include <glm/glm.hpp>
 
 
 namespace blank {
 
+class BlockTypeRegistry;
+class EntityCollision;
+struct EntityDerivative;
 class Viewport;
 class WorldCollision;
 
@@ -21,8 +25,9 @@ class World {
 
 public:
 	struct Config {
-		// initial player position
-		glm::vec3 spawn = { 0.0f, 0.0f, 0.0f };
+		std::string name = "default";
+		// 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,
@@ -30,47 +35,120 @@ public:
 		// I chose 0.011 because it yields 91 and 124 for those, so
 		// slightly less than 6 and 8 chunks
 		float fog_density = 0.011f;
-
-		Generator::Config gen = Generator::Config();
-		ChunkLoader::Config load = ChunkLoader::Config();
 	};
 
-	explicit World(const Config &);
+	World(const BlockTypeRegistry &, const Config &);
+	~World();
+
+	const std::string &Name() const noexcept { return config.name; }
 
+	/// check if this ray hits a block
+	/// depth in the collision is the distance between the ray's
+	/// origin and the intersection point
+	/// reference is the chunk offset of the ray in world space
 	bool Intersection(
 		const Ray &,
-		const glm::mat4 &M,
-		Chunk *&chunk,
-		int &blkid,
-		float &dist,
-		glm::vec3 &normal);
-
-	bool Intersection(const Entity &e, std::vector<WorldCollision> &);
-	void Resolve(Entity &e, std::vector<WorldCollision> &);
-
-	BlockTypeRegistry &BlockTypes() noexcept { return blockType; }
-	ChunkLoader &Loader() noexcept { return chunks; }
-
-	Entity &Player() { return *player; }
-	Entity &AddEntity() { entities.emplace_back(); return entities.back(); }
-
-	Chunk &PlayerChunk();
-	Chunk &Next(const Chunk &to, const glm::ivec3 &dir);
+		const ExactLocation::Coarse &reference,
+		WorldCollision &);
 
+	/// check if this ray hits an entity
+	/// intersections with the reference are not tested
+	/// the ray is assumed to be in world space offset by entity's chunk coords
+	bool Intersection(
+		const Ray &,
+		const Entity &reference,
+		EntityCollision &);
+
+	/// check if given entity intersects with the world
+	bool Intersection(const Entity &e, const EntityState &, std::vector<WorldCollision> &);
+	/// combine contacts into a single penetration vector
+	/// depth is given to point towards position of given state
+	static glm::vec3 CombinedInterpenetration(
+		const EntityState &,
+		const std::vector<WorldCollision> &) noexcept;
+
+	/// 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; }
+
+	/// add player with given name
+	/// returns nullptr if the name is already taken
+	Player *AddPlayer(const std::string &name);
+	/// add player with given name and ID
+	/// returns nullptr if the name or ID is already taken
+	Player *AddPlayer(const std::string &name, std::uint32_t id);
+	/// add an entity with an autogenerated ID
+	Entity &AddEntity();
+	/// add entity with given ID
+	/// returns nullptr if the ID is already taken
+	Entity *AddEntity(std::uint32_t id);
+	/// add entity with given ID
+	/// 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 &);
+	void RenderDebug(Viewport &);
 
 private:
-	BlockTypeRegistry blockType;
-	CuboidShape blockShape;
-	StairShape stairShape;
-	CuboidShape slabShape;
+	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 &
+	);
+
+	/// calculate light direction and intensity at entity's location
+	void GetLight(
+		const Entity &entity,
+		glm::vec3 &direction,
+		glm::vec3 &color,
+		glm::vec3 &ambient
+	);
+
+private:
+	Config config;
+
+	const BlockTypeRegistry &block_type;
 
-	Generator generate;
-	ChunkLoader chunks;
+	ChunkStore chunks;
 
-	Entity *player;
+	std::list<Player> players;
 	std::list<Entity> entities;
 
 	glm::vec3 light_direction;