[Feature] Add Barter/Buyer Features (#4405)

* Add Barter/Buyer Features

Adds barter and buyer features, for ROF2 only at this time including item compensation

* Remove FKs from buyer tables

Remove FKs from buyer tables

* Bug fix for Find Buyer and mutli item selling

Update for quantity purchases not correctly providing multi items.
Update for Find Buyer functionality based on zone instancing.
Update buyer messaging
Update buyer LORE duplicate check

* Revert zone instance comment

* Revert zone_id packet size field

* Add zone instancing to barter/buyer

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Co-authored-by: Akkadius <akkadius1@gmail.com>

zone/position.h

@@ -23,6 +23,7 @@
 #include <glm/vec3.hpp>
 #include <glm/vec4.hpp>
 #include <glm/geometric.hpp>
+#include "../common/types.h"
 
 std::string to_string(const glm::vec4 &position);
 std::string to_string(const glm::vec3 &position);
@@ -62,4 +63,7 @@ bool IsPositionWithinSimpleCylinder(const glm::vec4 &p1, const glm::vec4 &cylind
 
 float CalculateHeadingAngleBetweenPositions(float x1, float y1, float x2, float y2);
 
+bool IsWithinCircularArc(glm::vec4 arc_center, glm::vec4 point, uint32 arc_offset, uint32 arc_radius, uint32 arc_radius_limit);
+bool IsWithinSquare(glm::vec4 center, uint32 area, glm::vec4 position);
+
 #endif