move hand item control to lua

2025-07-27 19:20:30 +03:00
parent 567eec88c8
commit 6f11741310
4 changed files with 40 additions and 71 deletions
@@ -82,3 +82,42 @@ function on_hud_open()

    configure_SSAO()
 end
+
+local prev_rotation = mat4.idt()
+
+function update_hand()
+    local skeleton = __skeleton
+    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() - 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_render()
+    timeit(1, update_hand)
+end