cache some basic entity axes

[blank.git] / src / world / Entity.hpp

diff --git a/src/world/Entity.hpp b/src/world/Entity.hpp
index 33eeb7db20540e5e354f1398d7105894d7b3f6ea..efd9224a9f86f7f7e25fbc0dd42bb7d116ea56bf 100644 (file)
--- a/src/world/Entity.hpp
+++ b/src/world/Entity.hpp
@@ -62,7 +62,6 @@ 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();
@@ -83,7 +82,6 @@ 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; }
 
        /// orientation of head within local coordinate system, in radians
        float Pitch() const noexcept { return state.pitch; }
@@ -98,6 +96,8 @@ public:
        /// get a ray in entity's face direction originating from center of vision
        Ray Aim(const Chunk::Pos &chunk_offset) const noexcept;
 
+       const glm::vec3 &Heading() const noexcept { return heading; }
+
        void SetState(const EntityState &s) noexcept { state = s; UpdateModel(); }
        const EntityState &GetState() const noexcept { return state; }
 
@@ -116,6 +116,8 @@ public:
 
 private:
        void UpdateModel() noexcept;
+       void UpdateView() noexcept;
+       void UpdateHeading() noexcept;
 
 private:
        EntityController *ctrl;
@@ -127,6 +129,13 @@ private:
        AABB bounds;
        EntityState state;
 
+       /// local transform of eyes
+       /// if this entity has no model, the eyes are assumed to
+       /// be at local origin and oriented towards -Z
+       glm::mat4 view_local;
+       /// normalized velocity or heading if standing still
+       glm::vec3 heading;
+
        // TODO: I'd prefer a drag solution
        float max_vel;
        float max_force;