From 3c2061f7882b5158a50c3089d9adcea7e334d8b1 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Sun, 7 Sep 2025 23:23:01 +0300
Subject: [PATCH] add hud.default_hand_controller

---
 res/scripts/hud.lua | 68 +++++++++++++++++++++++----------------------
 1 file changed, 35 insertions(+), 33 deletions(-)

diff --git a/res/scripts/hud.lua b/res/scripts/hud.lua
index cf2153a2..90883d94 100644
--- a/res/scripts/hud.lua
+++ b/res/scripts/hud.lua
@@ -22,6 +22,39 @@ local function configure_SSAO()
     -- for test purposes
 end
 
+local function update_hand()
+    local skeleton = gfx.skeletons
+    local pid = hud.get_player()
+    local invid, slot = player.get_inventory(pid)
+    local itemid = inventory.get(invid, slot)
+
+    local cam = cameras.get("core:first-person")
+    local bone = skeleton.index("hand", "item")
+
+    local offset = vec3.mul(vec3.sub(cam:get_pos(), {player.get_pos(pid)}), -1)
+
+    local rotation = cam:get_rot()
+
+    local angle = player.get_rot(pid) - 90
+    local cos = math.cos(angle / (180 / math.pi))
+    local sin = math.sin(angle / (180 / math.pi))
+
+    local newX = offset[1] * cos - offset[3] * sin
+    local newZ = offset[1] * sin + offset[3] * cos
+
+    offset[1] = newX
+    offset[3] = newZ
+
+    local mat = mat4.translate(mat4.idt(), {0.06, 0.035, -0.1})
+    mat4.scale(mat, {0.1, 0.1, 0.1}, mat)
+    mat4.mul(rotation, mat, mat)
+    mat4.rotate(mat, {0, 1, 0}, -90, mat)
+    mat4.translate(mat, offset, mat)
+
+    skeleton.set_matrix("hand", bone, mat)
+    skeleton.set_model("hand", bone, item.model_name(itemid))
+end
+
 function on_hud_open()
     input.add_callback("player.pick", function ()
         if hud.is_paused() or hud.is_inventory_open() then
@@ -63,7 +96,7 @@ function on_hud_open()
             player.set_noclip(pid, true)
         end
     end)
-    
+
     input.add_callback("player.flight", function ()
         if hud.is_paused() or hud.is_inventory_open() then
             return
@@ -81,39 +114,8 @@ function on_hud_open()
     end)
 
     configure_SSAO()
-end
 
-local function update_hand()
-    local skeleton = gfx.skeletons
-    local pid = hud.get_player()
-    local invid, slot = player.get_inventory(pid)
-    local itemid = inventory.get(invid, slot)
-
-    local cam = cameras.get("core:first-person")
-    local bone = skeleton.index("hand", "item")
-
-    local offset = vec3.mul(vec3.sub(cam:get_pos(), {player.get_pos(pid)}), -1)
-    
-    local rotation = cam:get_rot()
-
-    local angle = player.get_rot(pid) - 90
-    local cos = math.cos(angle / (180 / math.pi))
-    local sin = math.sin(angle / (180 / math.pi))
-
-    local newX = offset[1] * cos - offset[3] * sin
-    local newZ = offset[1] * sin + offset[3] * cos
-
-    offset[1] = newX
-    offset[3] = newZ
-
-    local mat = mat4.translate(mat4.idt(), {0.06, 0.035, -0.1})
-    mat4.scale(mat, {0.1, 0.1, 0.1}, mat)
-    mat4.mul(rotation, mat, mat)
-    mat4.rotate(mat, {0, 1, 0}, -90, mat)
-    mat4.translate(mat, offset, mat)
-    
-    skeleton.set_matrix("hand", bone, mat)
-    skeleton.set_model("hand", bone, item.model_name(itemid))
+    hud.default_hand_controller = update_hand
 end
 
 function on_hud_render()