Update GaCy-GO

scripts/freecam.lua

@@ -9,7 +9,28 @@ local GameObject = CS.UnityEngine.GameObject
 _G.__FREECAM_ENABLED = _G.__FREECAM_ENABLED or false
 _G.__FREECAM_SPEED = _G.__FREECAM_SPEED or 15.0
 
-local RAINBOW_TEXT = "<color=#bb00ff>นี่คือเวอร์ชั่นทดสอบของเกย์ </color> <color=#FF0000>Ho</color><color=#FF7F00>nk</color><color=#FFFF00>ai</color> <color=#00FF00>St</color><color=#0000FF>ar</color> <color=#4B0082>Gay</color>"
+local WATERMARK_PREFIX = "<color=#bb00ff>นี่คือเวอร์ชั่นทดสอบของเกย์ </color> "
+local WATERMARK_NAME = "Honkai Star Gay"
+
+-- A closely spaced hue gradient sweeps from right to left.
+-- Keep the server name, UID, and the Freecam controls independent.
+local function rainbow_watermark(now)
+    local parts = {WATERMARK_PREFIX}
+    for i = 1, #WATERMARK_NAME do
+        local h = ((now * 0.12 + (i - 1) * 0.035) % 1) * 6
+        local x = 1 - math.abs(h % 2 - 1)
+        local r, g, b
+        if h < 1 then r, g, b = 1, x, 0
+        elseif h < 2 then r, g, b = x, 1, 0
+        elseif h < 3 then r, g, b = 0, 1, x
+        elseif h < 4 then r, g, b = 0, x, 1
+        elseif h < 5 then r, g, b = x, 0, 1
+        else r, g, b = 1, 0, x end
+        parts[#parts + 1] = string.format("<color=#%02X%02X%02X>%s</color>",
+            math.floor(r * 255 + 0.5), math.floor(g * 255 + 0.5), math.floor(b * 255 + 0.5), WATERMARK_NAME:sub(i, i))
+    end
+    return table.concat(parts)
+end
 
 local function show_ui(msg)
     pcall(function()
@@ -41,6 +62,42 @@ local function get_active_cam()
     return nil
 end
 
+-- Resolve the character through the active camera's own follow target. A
+-- humanoid head bone gives a model-relative point as the character moves.
+-- Do not guess a world position if the Client has no usable target.
+local function facecam_target(cam)
+    local ok, head, root = pcall(function()
+        local brain = cam:GetComponent(typeof(CS.Cinemachine.CinemachineBrain))
+        local virtual = brain and brain.ActiveVirtualCamera
+        local follow = virtual and virtual.Follow
+        if not follow then return nil, nil end
+        local animator = follow:GetComponentInChildren(typeof(CS.UnityEngine.Animator))
+        if not animator and follow.root then
+            animator = follow.root:GetComponentInChildren(typeof(CS.UnityEngine.Animator))
+        end
+        if not animator or not animator.isHuman then return nil, nil end
+        local bone = animator:GetBoneTransform(CS.UnityEngine.HumanBodyBones.Head)
+        return bone, animator.transform
+    end)
+    if ok then return head, root end
+    return nil, nil
+end
+
+local function update_facecam(cam, settings)
+    local head, root = _G.__FC_FACE_HEAD, _G.__FC_FACE_ROOT
+    if not head or not root or not head.gameObject.activeInHierarchy then return false end
+    local distance = tonumber(settings.distance) or 2
+    distance = math.max(0.5, math.min(5, distance))
+    local target = head.position
+    local direction = root.forward
+    local position = target + direction * distance
+    cam.transform.position = position
+    cam.transform.rotation = CS.UnityEngine.Quaternion.LookRotation(target - position, Vector3.up)
+    _G.__FC_POS = cam.transform.position
+    _G.__FC_EULER = cam.transform.eulerAngles
+    return true
+end
+
 -- Detach only the active camera brain and restore its recorded state. Virtual
 -- cameras continue updating animation/effect state; do not scan/disable every
 -- virtual camera on each render frame.
@@ -174,17 +231,42 @@ function _G.__FREECAM_TICK()
             _G.__FC_LAST_TIME = nil
             local cam = get_active_cam()
             if _G.__FREECAM_ENABLED then
+                local settings = _G.__GAC_CAMERA_SETTINGS or {mode="freecam", distance=2}
+                if settings.mode == "facecam" then
+                    local head, root
+                    if cam then head, root = facecam_target(cam) end
+                    if not head or not root then
+                        _G.__FREECAM_ENABLED = false
+                        show_ui("<color=#FFAA44>FaceCam: character head unavailable</color>")
+                        CS.UnityEngine.Debug.Log("[FaceCam] active camera follow target has no humanoid head")
+                        return
+                    end
+                    _G.__FC_FACE_HEAD, _G.__FC_FACE_ROOT = head, root
+                end
                 if cam then
                     _G.__FC_POS = cam.transform.position
                     _G.__FC_EULER = cam.transform.eulerAngles
                     set_cinemachine_enabled(cam, false)
                 end
-                show_ui("<color=#00FF88><b>[FreeCam: ON]</b> Speed: " .. string.format("%.1f", _G.__FREECAM_SPEED) .. " | Arrows: Fly | PgUp/PgDn: Up/Down | RMB: Look</color>")
+                if settings.mode == "facecam" then
+                    show_ui("<color=#00FF88><b>[FaceCam: ON]</b> | Tab: Close</color>")
+                else
+                    show_ui("<color=#00FF88><b>[FreeCam: ON]</b> Speed: " .. string.format("%.1f", _G.__FREECAM_SPEED) .. " | Arrows: Fly | PgUp/PgDn: Up/Down | RMB: Look</color>")
+                end
             else
                 if cam then
                     set_cinemachine_enabled(cam, true)
                 end
-                show_ui(RAINBOW_TEXT)
+                _G.__FC_FACE_HEAD, _G.__FC_FACE_ROOT = nil, nil
+                show_ui(rainbow_watermark(Time.unscaledTime or 0))
+            end
+        end
+
+        if not _G.__FREECAM_ENABLED then
+            local now = Time.unscaledTime or 0
+            if now >= (_G.__FC_WATERMARK_NEXT or 0) then
+                _G.__FC_WATERMARK_NEXT = now + 0.05
+                show_ui(rainbow_watermark(now))
             end
         end
 
@@ -197,6 +279,16 @@ function _G.__FREECAM_TICK()
         if _G.__FREECAM_ENABLED then
             local cam = get_active_cam()
             if cam then
+                local settings = _G.__GAC_CAMERA_SETTINGS or {mode="freecam", distance=2}
+                if settings.mode == "facecam" then
+                    if not update_facecam(cam, settings) then
+                        set_cinemachine_enabled(cam, true)
+                        _G.__FREECAM_ENABLED = false
+                        _G.__FC_FACE_HEAD, _G.__FC_FACE_ROOT = nil, nil
+                        show_ui("<color=#FFAA44>FaceCam: character unavailable</color>")
+                    end
+                    return
+                end
                 set_cinemachine_enabled(cam, false)
                 
                 if not _G.__FC_POS then
@@ -287,7 +379,7 @@ if not _G.__FREECAM_REGISTERED then
 end
 
 if not _G.__FREECAM_ENABLED then
-    show_ui(RAINBOW_TEXT)
+    show_ui(rainbow_watermark(Time.unscaledTime or 0))
 end
 
 -- Restore the in-memory controls before the Client tears down its settings.