1 files changed, 67 insertions, 0 deletions
diff --git a/engine-ocean/Game/Systems/CollisionSystems/UniformGrid/uniformgrid.h b/engine-ocean/Game/Systems/CollisionSystems/UniformGrid/uniformgrid.h
new file mode 100644
index 0000000..c4e5aaa
--- /dev/null
+++ b/engine-ocean/Game/Systems/CollisionSystems/UniformGrid/uniformgrid.h
@@ -0,0 +1,67 @@
+#ifndef UNIFORMGRID_H
+#define UNIFORMGRID_H
+
+
+#include "Game/Components/CollisionComponents/BoundingTriangle.h"
+#include "Game/GameObjects/GameObject.h"
+#include <set>
+#include <vector>
+
+struct GridSquare {
+    Bounds3f bounds;
+    glm::vec3 centroid = (bounds.max - bounds.min)/ 2.f;
+
+
+//    bool operator<( const GridSquare & s ) const {
+//       return glm::all(glm::lessThan(this->bounds.min,s.bounds.min));   // for example
+//     }
+
+
+};
+
+//bool operator<(const GridSquare& l, const GridSquare& r)
+//{
+//    return glm::all(glm::lessThan(l.bounds.min, r.bounds.min));
+//}
+
+//bool operator==(const GridSquare& l, const GridSquare& r)
+//{
+//    return l.bounds.min == r.bounds.min;
+//}
+
+//bool operator<(const glm::vec3& l, const glm::vec3& r)
+//{
+//    return glm::all(glm::lessThan(l, r));;
+//}
+
+//bool operator==(const glm::vec3& l, const glm::vec3& r)
+//{
+//    return glm::all(glm::equal(l, r));;
+//}
+
+
+class UniformGrid
+{
+public:
+    UniformGrid(std::map<std::string, std::shared_ptr<GameObject>>& dynamic_gameobjects);
+    std::set<std::set<std::string>> detectPossibleCollisions();
+    void updateAllGrid();
+
+
+
+private:
+    void populateContainingCell(glm::vec3 bound_corner, std::string entity_id);
+    void updateUniformGrid(const std::pair<std::string, std::shared_ptr<GameObject>> &go);
+    void moveEntityGridPosition(const std::pair<std::string, std::shared_ptr<GameObject>> &go);
+    void initializeGrid();
+    std::string vecToString(glm::vec3 v);
+
+
+    std::map<std::string, std::shared_ptr<GameObject>>& m_dynamic_gameobjects;
+    // maps square corner to set of strings
+    std::map<std::string, std::set<std::string>> m_grid_map;
+    glm::vec3 m_square_dimensions;
+
+};
+
+#endif // UNIFORMGRID_H