Add precision_align_snap_physgun

Author: marchc1

lua/precision_align/core/physgun_precision.lua

@@ -0,0 +1,28 @@
+if SERVER then
+    local function RoundAngleAxis(SnapAngles, Angles, Axis)
+        local Value = Angles[Axis]
+        local NewValue = Value
+
+        NewValue = math.Round(Value / SnapAngles) * SnapAngles
+
+        Angles[Axis] = NewValue
+        return NewValue ~= Value
+    end
+
+    hook.Add("OnPhysgunFreeze", "PA_FixPhysgunRotationInaccuracy", function(_, PhysObj, _, Player)
+        if not Player:KeyDown(IN_SPEED) then return end
+        local ShouldSnap = Player:GetInfo("precision_align_snap_physgun")
+        if ShouldSnap == 0 then return end
+
+        local SnapAngles = Player:GetInfo("gm_snapangles")
+        local Angles = PhysObj:GetAngles()
+        -- This was for notifications, but those got kind of annoying.
+        -- local Changed = false
+        --[[if]] RoundAngleAxis(SnapAngles, Angles, 1) -- then Changed = true end
+        --[[if]] RoundAngleAxis(SnapAngles, Angles, 2) -- then Changed = true end
+        --[[if]] RoundAngleAxis(SnapAngles, Angles, 3) -- then Changed = true end
+        PhysObj:SetAngles(Angles)
+    end)
+else
+    CreateClientConVar("precision_align_snap_physgun", "1", true, true, "When enabled, this forces physgun snapping to always be 100% accurate to your desired gm_snapangles.", 0, 1)
+end