From ef17fecfb22ccacbf098f6869ffaf644a1a627d6 Mon Sep 17 00:00:00 2001
From: Kelly Rauchenberger <fefferburbia@gmail.com>
Date: Sat, 6 Feb 2021 12:15:07 -0500
Subject: Added collidable object cache

---
 src/transform_system.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

(limited to 'src/transform_system.h')

diff --git a/src/transform_system.h b/src/transform_system.h
index eb1a95b..1ad661c 100644
--- a/src/transform_system.h
+++ b/src/transform_system.h
@@ -3,6 +3,7 @@
 
 #include <range/v3/all.hpp>
 #include <set>
+#include <map>
 #include <tuple>
 #include "direction.h"
 #include "system.h"
@@ -29,6 +30,8 @@ public:
 
   void initSprite(int spriteId, vec2i loc);
 
+  void setUpCollision(int spriteId, vec2i offset, vec2i size);
+
   void moveSprite(int spriteId, vec2i newLoc);
 
   auto getSpritesByY() const {
@@ -43,6 +46,34 @@ private:
 
   Game& game_;
   std::set<std::tuple<int, int>> spritesByY_;
+
+  struct Collidable {
+    int lower;
+    int upper;
+
+    Collidable(int lower, int upper) : lower(lower), upper(upper) {}
+  };
+
+  using asc_collidables_type =
+    std::map<
+      std::tuple<int, int>,
+      const Collidable,
+      std::less<std::tuple<int, int>>>;
+
+  using desc_collidables_type =
+    std::map<
+      std::tuple<int, int>,
+      const Collidable,
+      std::greater<std::tuple<int, int>>>;
+
+  desc_collidables_type leftCollidables_;
+  asc_collidables_type rightCollidables_;
+  desc_collidables_type upCollidables_;
+  asc_collidables_type downCollidables_;
+
+  void addCollidable(int spriteId);
+
+  void removeCollidable(int spriteId);
 };
 
 #endif /* end of include guard: TRANSFORM_SYSTEM_H_BA2633BC */
-- 
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