From 8186ecd55a0f41058ff72b0d203f5eb4d0431179 Mon Sep 17 00:00:00 2001
From: "M. Sz" <mszeptuch@protonmail.com>
Date: Mon, 14 Dec 2020 18:29:54 +0100
Subject: [PATCH] help overlay text

---
 d2core/d2ui/label.go             |  5 +++
 d2game/d2player/game_controls.go |  1 +
 d2game/d2player/help_overlay.go  | 64 +++++++++++++++++---------------
 3 files changed, 41 insertions(+), 29 deletions(-)

diff --git a/d2core/d2ui/label.go b/d2core/d2ui/label.go
index 1004a21c..9c5c53dd 100644
--- a/d2core/d2ui/label.go
+++ b/d2core/d2ui/label.go
@@ -108,6 +108,11 @@ func (v *Label) SetText(newText string) {
 	v.text = v.processColorTokens(newText)
 }
 
+// GetText returns label text
+func (v *Label) GetText() string {
+	return v.text
+}
+
 // SetBackgroundColor sets the background highlight color
 func (v *Label) SetBackgroundColor(c color.Color) {
 	v.backgroundColor = c
diff --git a/d2game/d2player/game_controls.go b/d2game/d2player/game_controls.go
index c17f5281..2335cc52 100644
--- a/d2game/d2player/game_controls.go
+++ b/d2game/d2player/game_controls.go
@@ -659,6 +659,7 @@ func (g *GameControls) onCloseQuestLog() {
 
 func (g *GameControls) toggleHelpOverlay() {
 	if !g.inventory.IsOpen() && !g.skilltree.IsOpen() && !g.heroStatsPanel.IsOpen() && !g.questLog.IsOpen() {
+		g.HelpOverlay.updateKeyMap(g.keyMap)
 		g.hud.miniPanel.openDisabled()
 		g.HelpOverlay.Toggle()
 		g.updateLayout()
diff --git a/d2game/d2player/help_overlay.go b/d2game/d2player/help_overlay.go
index 54ab30b6..f9106bf2 100644
--- a/d2game/d2player/help_overlay.go
+++ b/d2game/d2player/help_overlay.go
@@ -155,6 +155,8 @@ const (
 	beltDotY   = 568
 )
 
+const bullets = 8
+
 // NewHelpOverlay creates a new HelpOverlay instance
 func NewHelpOverlay(
 	asset *d2asset.AssetManager,
@@ -182,6 +184,7 @@ type HelpOverlay struct {
 	frames           []*d2ui.Sprite
 	text             []*d2ui.Label
 	lines            []line
+	bullets          [bullets]*d2ui.Label
 	uiManager        *d2ui.UIManager
 	closeButton      *d2ui.Button
 	keyMap           *KeyMap
@@ -332,7 +335,7 @@ func (h *HelpOverlay) setupTitleAndButton() {
 	h.text = append(h.text, newLabel)
 }
 
-func (h *HelpOverlay) setupBulletedList() {
+func (h *HelpOverlay) updateBulletText() {
 	// Bullets
 	// the hotkeys displayed here should be pulled from a mapping of input events to game events
 	// https://github.com/OpenDiablo2/OpenDiablo2/issues/793
@@ -378,17 +381,35 @@ func (h *HelpOverlay) setupBulletedList() {
 		)},
 	}
 
-	for idx := range callouts {
+	for i := 0; i < bullets; i++ {
+		h.bullets[i].SetText(callouts[i].text)
+	}
+}
+
+func (h *HelpOverlay) setupBulletedList() {
+	for idx := 0; idx < bullets; idx++ {
 		listItemOffsetY := idx * listItemVerticalOffset
 
-		h.createBullet(callout{
-			LabelText: callouts[idx].text,
-			LabelX:    listRootX,
-			LabelY:    listRootY + listItemOffsetY,
-			DotX:      listBulletX,
-			DotY:      listBulletRootY + listItemOffsetY,
-		})
+		label := h.uiManager.NewLabel(d2resource.FontFormal12, d2resource.PaletteSky)
+		label.SetPosition(listRootX, listRootY+listItemOffsetY)
+		h.bullets[idx] = label
+		h.panelGroup.AddWidget(h.bullets[idx])
+
+		newDot, err := h.uiManager.NewSprite(d2resource.HelpYellowBullet, d2resource.PaletteSky)
+		if err != nil {
+			h.Error(err.Error())
+		}
+
+		err = newDot.SetCurrentFrame(0)
+		if err != nil {
+			h.Error(err.Error())
+		}
+
+		newDot.SetPosition(listBulletX, listBulletRootY+listItemOffsetY+bulletOffsetY)
+
+		h.frames = append(h.frames, newDot)
 	}
+	h.updateBulletText()
 }
 
 // nolint:funlen // can't reduce
@@ -553,26 +574,6 @@ type callout struct {
 	DotY      int
 }
 
-func (h *HelpOverlay) createBullet(c callout) {
-	newLabel := h.uiManager.NewLabel(d2resource.FontFormal12, d2resource.PaletteSky)
-	newLabel.SetText(c.LabelText)
-	newLabel.SetPosition(c.LabelX, c.LabelY)
-	h.text = append(h.text, newLabel)
-
-	newDot, err := h.uiManager.NewSprite(d2resource.HelpYellowBullet, d2resource.PaletteSky)
-	if err != nil {
-		h.Error(err.Error())
-	}
-
-	err = newDot.SetCurrentFrame(0)
-	if err != nil {
-		h.Error(err.Error())
-	}
-
-	newDot.SetPosition(c.DotX, c.DotY+bulletOffsetY)
-	h.frames = append(h.frames, newDot)
-}
-
 func (h *HelpOverlay) createLabel(c callout) {
 	newLabel := h.uiManager.NewLabel(d2resource.FontFormal12, d2resource.PaletteSky)
 	newLabel.SetText(c.LabelText)
@@ -631,3 +632,8 @@ func (h *HelpOverlay) Render(target d2interface.Surface) {
 		target.Pop()
 	}
 }
+
+func (h *HelpOverlay) updateKeyMap(km *KeyMap) {
+	h.keyMap = km
+	h.updateBulletText()
+}