add cursor hovering and dragging status

JCursor/JCursor.lua

@@ -1,12 +1,55 @@
 --- STEAMODDED HEADER
 --- MOD_NAME: J Cursor
 --- MOD_ID: JCursor
---- MOD_AUTHOR: [Jie65535]
+--- MOD_AUTHOR: [Jie65535, MarioMak967]
---- MOD_DESCRIPTION: Custom Cursor (./Mods/JCursor/Cursor.png)
+--- MOD_DESCRIPTION: Custom Cursor (Mods/JCursor/Cursor.png CursorHover.png CursorDrag.png)
 
 ----------------------------------------------
 ------------MOD CODE -------------------------
 
+-- The x-coordinate in the cursor's hot spot.
+local HOT_X = 20
+-- The y-coordinate in the cursor's hot spot.
+local HOT_Y = 4
+
+local currentCursor
+local function setCursor(cursor)
+    if currentCursor ~= cursor then
+        currentCursor = cursor
+        love.mouse.setCursor(cursor)
+    end
+end
+
+local MOD_DIRECTORY = "/Mods/JCursor"
+local function getCursor(state, hotx, hoty)
+    local filename = MOD_DIRECTORY .. "/" .. state .. ".png"
+    if love.filesystem.exists(filename) then
+        return love.mouse.newCursor(filename, hotx, hoty)
+    end
+    return nil
+end
+
+local cursorDefault
+local cursorHover
+local cursorDrag
+local function updateCursors()
+    cursorDefault = getCursor("Cursor", HOT_X, HOT_Y)
+    cursorHover = getCursor("CursorHover", HOT_X, HOT_Y)
+    cursorDrag = getCursor("CursorDrag", HOT_X, HOT_Y)
+    if cursorDefault then
+        setCursor(cursorDefault)
+    end
+end
+
+function G.FUNCS.refreshCursors(arg_736_0)
+    sendDebugMessage("refreshCursors")
+    updateCursors()
+end
+
+-- init cursors
+updateCursors()
+
+
 SMODS.registerUIElement("JCursor", {
     {
         n = G.UIT.R,
@@ -24,42 +67,91 @@ SMODS.registerUIElement("JCursor", {
             }),
             UIBox_button({
                 minw = 3.85,
-                button = "refreshCursor",
+                button = "refreshCursors",
                 label = {
                     "Refresh cursor"
                 }
             }),
+            UIBox_button({
+                minw = 3.85,
+                button = "openJCursorGithub",
+                label = {
+                    "Github"
+                }
+            }),
         }
     }
 })
 
-local function getModDirectory()
-    return "/Mods/JCursor"
-end
-
-local function getCursorFile()
-    return getModDirectory() .. "/Cursor.png"
-end
-
-local function setCursor(filename)
-    cursor = love.mouse.newCursor(filename, 0, 0)
-    love.mouse.setCursor(cursor)
-end
-
 function G.FUNCS.openModDirectory(arg_736_0)
-    sendDebugMessage("openModDirectory")
+    url = "file://" .. love.filesystem.getSaveDirectory() .. MOD_DIRECTORY
-    love.system.openURL("file://" .. love.filesystem.getSaveDirectory() .. getModDirectory())
+    sendDebugMessage("openModDirectory: " .. url)
+    love.system.openURL(url)
 end
 
-function G.FUNCS.refreshCursor(arg_736_0)
+function G.FUNCS.openJCursorGithub(arg_736_0)
-    sendDebugMessage("refreshCursor")
+    sendDebugMessage("Open Github!")
-    setCursor(getCursorFile())
+	love.system.openURL("https://github.com/jie65535/JMods/tree/main/JCursor")
 end
 
-local defaultCursor = getCursorFile()
+
-if love.filesystem.exists(defaultCursor) then
+
-    setCursor(defaultCursor)
+
+local function myDrag()
+    if cursorDrag then
+        setCursor(cursorDrag)
+        -- sendDebugMessage("drag start!")
     end
+end
+
+local function myStopDrag()
+    if cursorDrag and cursorDefault and currentCursor == cursorDrag then
+        setCursor(cursorDefault)
+        -- sendDebugMessage("drag stop!")
+    end
+end
+
+
+local hoverLevel = 0
+local function myHover()
+    if cursorHover and currentCursor == cursorDefault and hoverLevel == 0 then
+        setCursor(cursorHover)
+        -- sendDebugMessage("hover start!")
+    end
+    hoverLevel = hoverLevel + 1
+end
+
+local function myStopHover()
+    if hoverLevel > 0 then
+        hoverLevel = hoverLevel - 1
+    end
+    if cursorHover
+        and cursorDefault
+        and currentCursor == cursorHover
+        and hoverLevel == 0
+        then
+        setCursor(cursorDefault)
+        -- sendDebugMessage("hover stop!")
+    end
+end
+
+local function injectCodeBefore(originalFunction, codeToInject)
+    return function(...)
+        codeToInject(...)
+        return originalFunction(...)
+    end
+end
+
+Node.drag = injectCodeBefore(Node.drag, myDrag)
+Node.stop_drag = injectCodeBefore(Node.stop_drag, myStopDrag)
+-- Node.hover = injectCodeBefore(Node.hover, myHover)
+-- Node.stop_hover = injectCodeBefore(Node.stop_hover, myStopHover)
+
+Card.hover = injectCodeBefore(Card.hover, myHover)
+Card.stop_hover = injectCodeBefore(Card.stop_hover, myStopHover)
+
+-- UIElement.hover = injectCodeBefore(UIElement.hover, myHover)
+-- UIElement.stop_hover = injectCodeBefore(UIElement.stop_hover, myStopHover)
 
 sendDebugMessage("JCursor loaded!")
 

JCursor/README.md

@@ -0,0 +1,23 @@
+# J Cursor
+Custom Cursor
+
+---
+
+ModDir: `%AppData%\Balatro\Mods\JCursor\`
+
+Change the default cursor by replacing the following files:
+- `Cursor.png`
+- `CursorDrag.png`
+- `CursorHover.png`
+
+Default cursors made by `@MarioMak967`
+
+---
+
+Modify the top constant of Lua to determine the cursor hot spot
+```lua
+-- The x-coordinate in the cursor's hot spot.
+local HOT_X = 20
+-- The y-coordinate in the cursor's hot spot.
+local HOT_Y = 4
+```