X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fworld%2FEntity.hpp;h=3bcc21f65f2573a456d094bb3a0656c1b1001e99;hb=81e963e684a369d840affc3f2fb03170b1aa2262;hp=33eeb7db20540e5e354f1398d7105894d7b3f6ea;hpb=150d065f431d665326fd8028748c48a74ad956bb;p=blank.git

diff --git a/src/world/Entity.hpp b/src/world/Entity.hpp
index 33eeb7d..3bcc21f 100644
--- a/src/world/Entity.hpp
+++ b/src/world/Entity.hpp
@@ -3,8 +3,8 @@
 
 #include "Chunk.hpp"
 #include "EntityState.hpp"
+#include "../geometry/primitive.hpp"
 #include "../model/Instance.hpp"
-#include "../model/geometry.hpp"
 
 #include <cstdint>
 #include <string>
@@ -62,17 +62,12 @@ public:
 	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 state.block_pos; }
-	void Position(const glm::ivec3 &, const glm::vec3 &) noexcept;
-	void Position(const glm::vec3 &) noexcept;
+	const ExactLocation::Fine &Position() const noexcept { return state.pos.block; }
+	void Position(const ExactLocation::Coarse &, const ExactLocation::Fine &) noexcept;
+	void Position(const ExactLocation::Fine &) noexcept;
 
-	const glm::ivec3 ChunkCoords() const noexcept { return state.chunk_pos; }
+	const glm::ivec3 ChunkCoords() const noexcept { return state.pos.chunk; }
 
 	glm::vec3 AbsolutePosition() const noexcept {
 		return state.AbsolutePosition();
@@ -82,8 +77,8 @@ public:
 	}
 
 	/// orientation of local coordinate system
-	const glm::quat &Orientation() const noexcept { return state.orient; }
 	void Orientation(const glm::quat &o) noexcept { state.orient = o; }
+	const glm::quat &Orientation() const noexcept { return state.orient; }
 
 	/// orientation of head within local coordinate system, in radians
 	float Pitch() const noexcept { return state.pitch; }
@@ -92,13 +87,22 @@ public:
 	void SetHead(float pitch, float yaw) noexcept;
 
 	/// get a transform for this entity's coordinate space
+	const glm::mat4 Transform() const noexcept { return model_transform; }
+	/// get a transform for this entity's coordinate space relative to reference chunk
 	glm::mat4 Transform(const glm::ivec3 &reference) const noexcept;
-	/// get a transform for this entity's view space
+	/// get a transform for this entity's view space relative to reference chunk
 	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;
+	Ray Aim(const ExactLocation::Coarse &chunk_offset) const noexcept;
 
-	void SetState(const EntityState &s) noexcept { state = s; UpdateModel(); }
+	/// true if this entity's position will change (significantly) the next update
+	bool Moving() const noexcept { return speed > 0.0f; }
+	/// magnitude of velocity
+	float Speed() const noexcept { return speed; }
+	/// normalized velocity or heading if standing still
+	const glm::vec3 &Heading() const noexcept { return heading; }
+
+	void SetState(const EntityState &s) noexcept { state = s; }
 	const EntityState &GetState() const noexcept { return state; }
 
 	void Ref() noexcept { ++ref_count; }
@@ -115,7 +119,14 @@ public:
 	}
 
 private:
-	void UpdateModel() noexcept;
+	void UpdateTransforms() noexcept;
+	void UpdateHeading() noexcept;
+	void UpdateModel(float dt) noexcept;
+public:
+	// temporarily made public so AI can use it until it's smoothed out to be suitable for players, too
+	void OrientBody(float dt) noexcept;
+private:
+	void OrientHead(float dt) noexcept;
 
 private:
 	EntityController *ctrl;
@@ -127,6 +138,15 @@ private:
 	AABB bounds;
 	EntityState state;
 
+	/// chunk to model space
+	glm::mat4 model_transform;
+	/// model to view space
+	/// if this entity has no model, the eyes are assumed to
+	/// be at origin and oriented towards pitch of model space
+	glm::mat4 view_transform;
+	float speed;
+	glm::vec3 heading;
+
 	// TODO: I'd prefer a drag solution
 	float max_vel;
 	float max_force;