Get surrounding tiles, unload textures

src/game.clj

@@ -2,13 +2,17 @@
   (:gen-class)
   (:require
    [engine]
+   [watch :as w]
    [rl :as rl]))
 
-(def ^:const screen-width 1280)
+;; (def ^:const screen-width 1280)
-(def ^:const screen-height 630)
+;; (def ^:const screen-height 630)
+(def ^:const screen-width 970)
+(def ^:const screen-height 530)
 (def ^:const cell-size 16)
-(def ^:const rows (/ screen-width cell-size))
+(def ^:const rows (quot screen-width cell-size))
 (def ^:const cols (quot screen-height cell-size))
+(def ^:const grid-len (* rows cols))
 
 (set! *warn-on-reflection* true)
 ;; (set! *unchecked-math* :warn-on-boxed)
@@ -26,7 +30,8 @@
         t)))
 
 (defn idx [row col] (+ (* row cols) col))
-(defn tile-at  [game r c] (aget ^objects (:grid game) (idx r c)))
+(defn tile-at [game r c] (aget ^objects (:grid game) (idx r c)))
+(defn tile-at-idx [game idx] (aget ^objects (:grid game) idx))
 (defn set-tile! [game r c tile] (aset ^objects (:grid game) (idx r c) tile))
 
 (defn init-game [config]
@@ -37,6 +42,61 @@
    :grid (object-array (* rows cols))
    :texture (load-texture-once "source-assets/Sprout Lands - Sprites - premium pack/Sprout Lands - Sprites - premium pack/Tilesets/ground tiles/New tiles/Grass_Hill_Tiles_v2.png")})
 
+(def tilemap-bitmask
+  {[0 0] :NW
+   [0 1] :N
+   [0 2] :NW
+   [1 0] :W
+   [1 1] :C
+   [1 2] :E
+   [2 0] :SW
+   [2 1] :S
+   [2 2] :SE})
+
+(def tilemap-bitmask
+  {[0 0 0
+    0 0 1
+    0 1 1] :NW
+   [0 0 0
+    1 0 1
+    1 1 1] :N
+   [0 0 0
+    1 0 0
+    1 1 0] :NE
+   [0 1 1
+    0 0 1
+    0 1 1] :W
+   [1 1 0
+    1 0 0
+    1 1 0] :E
+   [0 1 1
+    0 0 1
+    0 0 0] :SW
+   [1 1 1
+    1 0 1
+    0 0 0] :S
+   [1 1 0
+    1 0 0
+    0 0 0] :SE})
+
+(defn surrounding-tiles [game at-row at-col]
+  (let [idx (idx at-row at-col)]
+    (persistent! 
+      (reduce (fn [acc num]
+                (let [cell-idx (+ idx num)]
+                  (println cell-idx)
+                  (if (or (< cell-idx 0)
+                          (>= cell-idx 9 #_grid-len)
+                          (= num 0))
+                    (conj! acc 0)
+                    (conj! acc (if (tile-at-idx game cell-idx)
+                                  1
+                                  0)))))
+              (transient [])
+              (range -4 5)))))
+
+(defn auto-tile [])
+
 (defn handle-game-input [config game]
   (let [game (assoc game :event-queue [])]
     (when (rl/key-pressed? rl/key-r))
@@ -78,7 +138,8 @@
   {:color-idx (:color-idx game)})
 
 (defn unload-game [game]
-  (rl/unload-texture! (:texture game)))
+  (rl/unload-texture! (:texture game))
+  (reset! texture-cache {}))
 
 (defn -main [& _args]
   (engine/run-game!