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SpatialMap now uses unordered_multimap to allow for multiple items in a square, but they're also tagged to mark some with collision.

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This commit is contained in:
Zed A. Shaw 2025-07-31 13:00:39 -04:00
parent b193bab148
commit f26189c696
6 changed files with 60 additions and 51 deletions
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15
spatialmap.hpp
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@ -5,10 +5,14 @@
#include "dinkyecs.hpp"
#include "point.hpp"
typedef std::vector<DinkyECS::Entity> EntityList;
struct CollisionData {
DinkyECS::Entity entity = DinkyECS::NONE;
bool collision = false;
};
// Point's has is in point.hpp
using PointEntityMap = std::unordered_map<Point, DinkyECS::Entity>;
using EntityList = std::vector<DinkyECS::Entity>;
using PointEntityMap = std::unordered_multimap<Point, CollisionData>;
using SortedEntities = std::vector<std::pair<int, DinkyECS::Entity>>;
struct FoundEntities {
@ -19,18 +23,17 @@ struct FoundEntities {
class SpatialMap {
public:
SpatialMap() {}
PointEntityMap yes_collision;
PointEntityMap no_collision;
PointEntityMap $collision;
void insert(Point pos, DinkyECS::Entity obj, bool has_collision);
void move(Point from, Point to, DinkyECS::Entity ent);
// return value is whether the removed thing has collision
bool remove(Point pos);
CollisionData remove(Point pos, DinkyECS::Entity entity);
bool occupied(Point pos) const;
bool something_there(Point at) const;
DinkyECS::Entity get(Point at) const;
FoundEntities neighbors(Point position, bool diag=false) const;
SortedEntities distance_sorted(Point from, int max_distance);
size_t size() { return yes_collision.size(); }
size_t size() { return $collision.size(); }
};