From 0206708ad7e70c3a7018a6f160e630cc5b20aedc Mon Sep 17 00:00:00 2001
From: Joseph Ferano <joseph@ferano.io>
Date: Sat, 29 Aug 2026 06:04:06 +0700
Subject: [PATCH] Keep texture-cache in engine, add a tap>,
 rl/set-clipboard-text

---
 src/engine.clj | 15 ++++++++++++---
 src/game.clj   | 32 ++++++++++++++------------------
 src/rl.clj     |  9 +++++++++
 src/user.clj   | 21 ++++++++++++++++++++-
 4 files changed, 55 insertions(+), 22 deletions(-)

diff --git a/src/engine.clj b/src/engine.clj
index af838f1..2ff2303 100644
--- a/src/engine.clj
+++ b/src/engine.clj
@@ -4,9 +4,17 @@
    [rl :as rl]
    [watch :as w]))
 
-(defonce ^:private last-error (atom nil))
-(defonce ^:private game-state (atom nil))
-(defonce ^:private game-config (atom nil))
+(defonce last-error (atom nil))
+(defonce game-state (atom nil))
+(defonce game-config (atom nil))
+(defonce texture-cache (atom {}))
+;; (reset! texture-cache {})
+
+(defn load-texture-once [id path]
+  (or (@texture-cache path)
+      (let [t (assoc (rl/load-texture path) :name id)]
+        (swap! texture-cache assoc path t)
+        t)))
 
 (defn report-exception!
   "Stash the exception and print a marker line. Emacs watches the REPL output
@@ -41,6 +49,7 @@
         (reset! game-config {:config-path config-path :config config})
         (try
           (reset! game-state (init config))
+          (reset! texture-cache {})
           (catch Throwable t
             (report-exception! t)))
         (while (not (rl/window-should-close?))
diff --git a/src/game.clj b/src/game.clj
index 88ea70a..b3f4af4 100644
--- a/src/game.clj
+++ b/src/game.clj
@@ -3,7 +3,7 @@
   (:use
    [util])
   (:require
-   [engine]
+   [engine :as e]
    [watch :as w]
    [rl :as rl]))
 
@@ -26,14 +26,6 @@
 (def color-ground (rl/color-seg 0xE8CFA6))
 (def color-tint-gray (rl/color-seg 0 0 0 100))
 
-(defonce texture-cache (atom {}))
-
-(defn load-texture-once [path]
-  (or (@texture-cache path)
-      (let [t (rl/load-texture path)]
-        (swap! texture-cache assoc path t)
-        t)))
-
 (defn idx [row col] (+ (* row cols) col))
 (defn tile-at [game layer r c] (aget ^objects (get (:layers game) layer) (idx r c)))
 (defn tile-at-idx [game layer idx] (aget ^objects (get (:layers game) layer) idx))
@@ -56,12 +48,11 @@
      ;; TODO: When we cannot find the image, no errors are being reported. Likely because raylib is failing silently
      ;; TODO: How do we get Raylib to reload images on the fly
      :tilemaps
-     {:grass-hill (load-texture-once (str tileset-path "Grass_Hill_Tiles_v2.png"))
-      :grass-stone (load-texture-once (str tileset-path "Darker_Grass_Tiles_v2.png"))
-      ;; :soil (load-texture-once (str tileset-path "Soil_Ground_HiIls_Tiles.png"))
-      :soil (load-texture-once (str tileset-path "Soil_Ground_Tiles.png"))
-      :grass-top (load-texture-once (str tileset-path "Grass_Tile_Layers.png"))
-      #_#_:bush (load-texture-once "/home/joe/Downloads/Try1.png")}}))
+     (mapv #(apply e/load-texture-once %)
+           [[:grass-hill (str tileset-path "Grass_Hill_Tiles_v2.png")]
+            [:grass-stone (str tileset-path "Darker_Grass_Tiles_v2.png")]
+            [:soil (str tileset-path "Soil_Ground_Tiles.png")]
+            [:grass-top (str tileset-path "Grass_Tile_Layers.png")]])}))
 
 (def edge-set
   {0 [3 3],
@@ -278,7 +269,7 @@
   (reset! texture-cache {}))
 
 (defn -main [& _args]
-  (engine/run-game!
+  (e/run-game!
    {:title       "Siam Farmer"
     :width       screen-width
     :height      screen-height
@@ -291,6 +282,11 @@
 
 (comment
   (future (-main))
-  (reset! @#'engine/game-state (init-game {}))
-  (swap! @#'engine/game-state :assoc {})
+  ;; TODO: I hate this, terrible way to read game state, maybe pass an atom in?
+  (reset! e/game-state (init-game {}))
+  (swap! e/game-state :assoc {})
+
+  hello
+  (:tilemaps @e/game-state)
+
   :-)
diff --git a/src/rl.clj b/src/rl.clj
index 80293e4..6c6d71a 100644
--- a/src/rl.clj
+++ b/src/rl.clj
@@ -398,6 +398,15 @@
                           (float font-size) (float spacing))
    ::vector-2))
 
+
+;; TODO: LoadFont
+
+(def ^:private set-clipboard-text-raw!*
+  (ffi/make-downcall "SetClipboardText" [::mem/c-string] ::mem/void))
+
+(defn set-clipboard-text!* [text]
+  (set-clipboard-text-raw!* (mem/serialize text ::mem/c-string arena)))
+
 (defn alloc-pixels
   "An RGBA8888 pixel buffer, native so UpdateTexture can read it directly."
   ^MemorySegment [^long n-pixels]
diff --git a/src/user.clj b/src/user.clj
index c54c2c7..1e12f1e 100644
--- a/src/user.clj
+++ b/src/user.clj
@@ -1,2 +1,21 @@
 (ns user
-  (:require [game]))
+  (:require
+   [clojure.pprint :as pprint]
+   [game]))
+
+(defonce tap-out (atom nil))
+
+(defn tap-here! []
+  (reset! tap-out *out*))
+
+(defonce tap-fn
+  (fn [v]
+    (when-let [^java.io.Writer w @tap-out]
+      (binding [*out* w
+                *print-length* 50
+                *print-level* 4]
+        (pprint/pprint v)))))
+
+(defonce _tap (add-tap tap-fn))
+
+(tap-here!)