X-Git-Url: https://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fworld%2FEntity.hpp;h=33eeb7db20540e5e354f1398d7105894d7b3f6ea;hb=150d065f431d665326fd8028748c48a74ad956bb;hp=ae14297bb0baf282a3ddef142285a262a95c11b6;hpb=d02daa5a4805dc3184884f3a7cd7620e5787adcb;p=blank.git

diff --git a/src/world/Entity.hpp b/src/world/Entity.hpp
index ae14297..33eeb7d 100644
--- a/src/world/Entity.hpp
+++ b/src/world/Entity.hpp
@@ -2,9 +2,11 @@
 #define BLANK_WORLD_ENTITY_HPP_
 
 #include "Chunk.hpp"
-#include "../model/CompositeModel.hpp"
+#include "EntityState.hpp"
+#include "../model/Instance.hpp"
 #include "../model/geometry.hpp"
 
+#include <cstdint>
 #include <string>
 #include <glm/glm.hpp>
 #include <glm/gtc/quaternion.hpp>
@@ -13,15 +15,35 @@
 namespace blank {
 
 class DirectionalLighting;
+class EntityController;
 class Shape;
 
 class Entity {
 
 public:
 	Entity() noexcept;
+	~Entity() noexcept;
 
-	CompositeModel &GetModel() noexcept { return model; }
-	const CompositeModel &GetModel() const noexcept { return model; }
+	// note that when copying an entity which owns its controller, the
+	// original must outlive the copy, otherwise the copy ends up with
+	// an invalid controller pointer
+	Entity(const Entity &) noexcept;
+	Entity &operator =(const Entity &) = delete;
+
+	bool HasController() const noexcept { return ctrl; }
+	// entity takes over ownership of controller
+	void SetController(EntityController *c) noexcept;
+	// entity uses shared controller
+	void SetController(EntityController &c) noexcept;
+	void UnsetController() noexcept;
+	EntityController &GetController() noexcept { return *ctrl; }
+	const EntityController &GetController() const noexcept { return *ctrl; }
+
+	Instance &GetModel() noexcept { return model; }
+	const Instance &GetModel() const noexcept { return model; }
+
+	std::uint32_t ID() const noexcept { return id; }
+	void ID(std::uint32_t i) noexcept { id = i; }
 
 	const std::string &Name() const noexcept { return name; }
 	void Name(const std::string &n) { name = n; }
@@ -32,58 +54,89 @@ public:
 	bool WorldCollidable() const noexcept { return world_collision; }
 	void WorldCollidable(bool b) noexcept { world_collision = b; }
 
-	const glm::vec3 &Velocity() const noexcept { return velocity; }
-	void Velocity(const glm::vec3 &v) noexcept { velocity = v; }
+	float MaxVelocity() const noexcept { return max_vel; }
+	void MaxVelocity(float v) noexcept { max_vel = v; }
+	float MaxControlForce() const noexcept { return max_force; }
+	void MaxControlForce(float f) noexcept { max_force = f; }
+
+	glm::vec3 ControlForce(const EntityState &) const noexcept;
+
+	const glm::vec3 &Velocity() const noexcept { return state.velocity; }
+	void Velocity(const glm::vec3 &v) noexcept { state.velocity = v; }
+
+	bool Moving() const noexcept {
+		return dot(Velocity(), Velocity()) > std::numeric_limits<float>::epsilon();
+	}
 
-	const glm::vec3 &Position() const noexcept { return model.Position(); }
-	void Position(const Chunk::Pos &, const glm::vec3 &) noexcept;
+	const glm::vec3 &Position() const noexcept { return state.block_pos; }
+	void Position(const glm::ivec3 &, const glm::vec3 &) noexcept;
 	void Position(const glm::vec3 &) noexcept;
-	void Move(const glm::vec3 &delta) noexcept;
 
-	const Chunk::Pos ChunkCoords() const noexcept { return chunk; }
+	const glm::ivec3 ChunkCoords() const noexcept { return state.chunk_pos; }
 
 	glm::vec3 AbsolutePosition() const noexcept {
-		return glm::vec3(chunk * Chunk::Extent()) + Position();
+		return state.AbsolutePosition();
 	}
 	glm::vec3 AbsoluteDifference(const Entity &other) const noexcept {
-		return glm::vec3((chunk - other.chunk) * Chunk::Extent()) + Position() - other.Position();
+		return state.Diff(other.state);
 	}
 
-	/// direction is rotation axis, magnitude is speed in rad/ms
-	const glm::vec3 &AngularVelocity() const noexcept { return angular_velocity; }
-	void AngularVelocity(const glm::vec3 &v) noexcept { angular_velocity = v; }
-
-	const glm::quat &Orientation() const noexcept { return model.Orientation(); }
-	void Orientation(const glm::quat &o) noexcept { model.Orientation(o); }
-	void Rotate(const glm::quat &delta) noexcept;
-
-	glm::mat4 ChunkTransform(const Chunk::Pos &chunk_offset) const noexcept;
-	glm::mat4 Transform(const Chunk::Pos &chunk_offset) const noexcept;
+	/// orientation of local coordinate system
+	const glm::quat &Orientation() const noexcept { return state.orient; }
+	void Orientation(const glm::quat &o) noexcept { state.orient = o; }
+
+	/// orientation of head within local coordinate system, in radians
+	float Pitch() const noexcept { return state.pitch; }
+	float Yaw() const noexcept { return state.yaw; }
+	void TurnHead(float delta_pitch, float delta_yaw) noexcept;
+	void SetHead(float pitch, float yaw) noexcept;
+
+	/// get a transform for this entity's coordinate space
+	glm::mat4 Transform(const glm::ivec3 &reference) const noexcept;
+	/// get a transform for this entity's view space
+	glm::mat4 ViewTransform(const glm::ivec3 &reference) const noexcept;
+	/// get a ray in entity's face direction originating from center of vision
 	Ray Aim(const Chunk::Pos &chunk_offset) const noexcept;
 
-	void Remove() noexcept { remove = true; }
-	bool CanRemove() const noexcept { return remove; }
+	void SetState(const EntityState &s) noexcept { state = s; UpdateModel(); }
+	const EntityState &GetState() const noexcept { return state; }
+
+	void Ref() noexcept { ++ref_count; }
+	void UnRef() noexcept { --ref_count; }
+	void Kill() noexcept { dead = true; }
+	bool Referenced() const noexcept { return ref_count > 0; }
+	bool Dead() const noexcept { return dead; }
+	bool CanRemove() const noexcept { return dead && ref_count <= 0; }
 
-	void Update(int dt) noexcept;
+	void Update(float dt);
 
 	void Render(const glm::mat4 &M, DirectionalLighting &prog) noexcept {
-		model.Render(M, prog);
+		if (model) model.Render(M, prog);
 	}
 
 private:
-	CompositeModel model;
+	void UpdateModel() noexcept;
 
+private:
+	EntityController *ctrl;
+	Instance model;
+
+	std::uint32_t id;
 	std::string name;
 
 	AABB bounds;
+	EntityState state;
 
-	glm::vec3 velocity;
-	Chunk::Pos chunk;
+	// TODO: I'd prefer a drag solution
+	float max_vel;
+	float max_force;
 
-	glm::vec3 angular_velocity;
+	int ref_count;
 
 	bool world_collision;
-	bool remove;
+	bool dead;
+
+	bool owns_controller;
 
 };