From 4a7e78234327469911c8a4bba2b4fa4df2e5429b Mon Sep 17 00:00:00 2001
From: joffreybesos <93067706+joffreybesos@users.noreply.github.com>
Date: Sat, 1 Mar 2025 23:00:50 +1000
Subject: [PATCH] panels (#84)

---
 pkg/data/data.go          | 16 ++++++++
 pkg/memory/game_reader.go |  1 +
 pkg/memory/panels.go      | 77 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 94 insertions(+)
 create mode 100644 pkg/memory/panels.go

diff --git a/pkg/data/data.go b/pkg/data/data.go
index 3310e72..b662f05 100644
--- a/pkg/data/data.go
+++ b/pkg/data/data.go
@@ -40,6 +40,7 @@ type Data struct {
 	Rooms                   []Room
 	OpenMenus               OpenMenus
 	Widgets                 map[string]map[string]interface{}
+	Panels                  []Panel
 	Roster                  Roster
 	HoverData               HoverData
 	TerrorZones             []area.ID
@@ -73,6 +74,21 @@ type OnlineGame struct {
 	FPS              int
 }
 
+type Panel struct {
+	PanelPtr      uintptr
+	PanelName     string
+	PanelEnabled  bool
+	PanelVisible  bool
+	PtrChild      uintptr
+	NumChildren   int
+	ExtraText     string
+	ExtraText2    string
+	ExtraText3    string
+	PanelParent   string
+	PanelChildren []Panel
+	Depth         int
+}
+
 func (r Room) GetCenter() Position {
 	return Position{
 		X: r.Position.X + r.Width/2,
diff --git a/pkg/memory/game_reader.go b/pkg/memory/game_reader.go
index 3aa5b48..b92ab0a 100644
--- a/pkg/memory/game_reader.go
+++ b/pkg/memory/game_reader.go
@@ -106,6 +106,7 @@ func (gd *GameReader) GetData() data.Data {
 		Entrances:               gd.Entrances(pu.Position, hover),
 		OpenMenus:               openMenus,
 		Widgets:                 gd.UpdateWidgets(),
+		Panels:                  gd.ReadAllPanels(),
 		Roster:                  roster,
 		HoverData:               hover,
 		TerrorZones:             gd.TerrorZones(),
diff --git a/pkg/memory/panels.go b/pkg/memory/panels.go
new file mode 100644
index 0000000..d220b65
--- /dev/null
+++ b/pkg/memory/panels.go
@@ -0,0 +1,77 @@
+package memory
+
+import (
+	"github.com/hectorgimenez/d2go/pkg/data"
+)
+
+func NewPanel(panelPtr uintptr, panelParent string, depth int, gd *GameReader) *data.Panel { //itemUnitPtr = uintptr(gd.Process.ReadUInt(itemUnitPtr+0x158, Uint64))
+	panel := &data.Panel{
+		PanelPtr:      panelPtr,
+		PanelName:     gd.Process.ReadStringFromMemory(uintptr(gd.Process.ReadUInt(panelPtr+0x08, Uint64)), 0),
+		PanelEnabled:  gd.Process.ReadUInt(panelPtr+0x50, Uint8) != 0,
+		PanelVisible:  gd.Process.ReadUInt(panelPtr+0x51, Uint8) != 0,
+		PtrChild:      uintptr(gd.Process.ReadUInt(panelPtr+0x58, Uint64)),
+		NumChildren:   int(gd.Process.ReadUInt(panelPtr+0x60, Uint8)),
+		ExtraText:     gd.Process.ReadStringFromMemory(panelPtr+0xA0, 0),
+		ExtraText2:    gd.Process.ReadStringFromMemory(uintptr(gd.Process.ReadUInt(panelPtr+0x290, Uint64)), 0),
+		ExtraText3:    gd.Process.ReadStringFromMemory(uintptr(gd.Process.ReadUInt(panelPtr+0x88, Uint64)), 0),
+		PanelParent:   panelParent,
+		PanelChildren: make([]data.Panel, 0),
+		Depth:         depth,
+	}
+	if panel.NumChildren > 0 && panel.NumChildren < 50 {
+		readPanel(panel.PtrChild, panel.NumChildren, &panel.PanelChildren, panel.PanelName, depth+1, gd)
+	}
+	return panel
+}
+
+func GetText(p data.Panel) string {
+	text1 := cleanString(p.ExtraText)
+	text2 := cleanString(p.ExtraText2)
+	text3 := cleanString(p.ExtraText3)
+
+	if text3 != "" && isASCII(text3) {
+		return text3
+	}
+	if text2 != "" && isASCII(text2) {
+		return text2
+	}
+	if text1 != "" && isASCII(text1) {
+		return text1
+	}
+	return ""
+}
+
+func cleanString(input string) string {
+	return input // Replace newlines and carriage returns as needed
+}
+
+func isASCII(s string) bool {
+	for _, r := range s {
+		if r < 32 || r > 126 {
+			return false
+		}
+	}
+	return true
+}
+
+func (gd *GameReader) ReadAllPanels() []data.Panel {
+	base := gd.Process.moduleBaseAddressPtr + gd.offset.PanelManagerContainerOffset
+	panelStructPtr := uintptr(gd.Process.ReadUInt(base, Uint64))
+	panelPtr := uintptr(gd.Process.ReadUInt(panelStructPtr+0x58, Uint64))
+	numChildren := int(gd.Process.ReadUInt(panelStructPtr+0x60, Uint8))
+
+	panels := make([]data.Panel, 0)
+	depth := 0
+	// recursively read all panels, starting with the Root panel
+	readPanel(panelPtr, numChildren, &panels, "Root", depth, gd)
+	return panels
+}
+
+func readPanel(panelPtr uintptr, numChildren int, panels *[]data.Panel, panelParent string, depth int, gd *GameReader) {
+	for i := 0; i < numChildren; i++ {
+		panelStructPtr := uintptr(gd.Process.ReadUInt(uintptr(uint64(panelPtr)+uint64(i*8)), Uint64))
+		thisPanel := NewPanel(panelStructPtr, panelParent, depth, gd)
+		*panels = append(*panels, *thisPanel)
+	}
+}