public void Draw()
{
var darkTitleRect = new Rectangle(MenuRect.X + DbgMenuTopLeftButtonRect.Width, MenuRect.Y, MenuRect.Width - DbgMenuTopLeftButtonRect.Width, DbgMenuTopLeftButtonRect.Height);
GFX.SpriteBatchBeginForText();
var clickMeSize = DBG.DEBUG_FONT_SMALL.MeasureString("MENU");
GFX.SpriteBatch.Draw(Main.WHITE_TEXTURE, DbgMenuTopLeftButtonRect, Color.Black * 0.85f);
GFX.SpriteBatch.DrawString(DBG.DEBUG_FONT_SMALL, "MENU", DbgMenuTopLeftButtonRect.Center(), Color.White, 0, clickMeSize / 2, 1, SpriteEffects.None, 0);
if (MenuOpenState == DbgMenuOpenState.Closed)
{
GFX.SpriteBatchEnd();
return;
}
UpdateUI();
float menuBackgroundOpacityMult = MenuOpenState == DbgMenuOpenState.Open ? 1.0f : 0f;
// Draw menu background rect
//---- Full Background
GFX.SpriteBatch.Draw(Main.WHITE_TEXTURE, SubMenuRect, Color.Black * 0.5f * menuBackgroundOpacityMult);
//---- Slightly Darker Part On Top
GFX.SpriteBatch.Draw(Main.WHITE_TEXTURE, darkTitleRect,
Color.Black * 0.75f * menuBackgroundOpacityMult);
if (MenuOpenState == DbgMenuOpenState.Open)
{
var renderPauseStr = $"Render Pause:{(IsPauseRendering ? "Active" : "Inactive")}\n(Click RS / Press Pause Key)";
var renderPauseStrScale = DBG.DEBUG_FONT.MeasureString(renderPauseStr);
var renderPauseStrColor = !IsPauseRendering ? Color.White : Color.Yellow;
DBG.DrawOutlinedText(renderPauseStr,
new Vector2(8, GFX.Device.Viewport.Height - 20),
renderPauseStrColor, DBG.DEBUG_FONT, scaleOrigin: new Vector2(0, renderPauseStrScale.Y),
//scale: IsPauseRendering ? 1f : 0.75f,
startAndEndSpriteBatchForMe: false);
}
// Draw name on top
var sb = new StringBuilder();
//---- If in submenu, append the stack of menues preceding this one
if (DbgMenuStack.Count > 0)
{
bool first = true;
foreach (var chain in DbgMenuStack.Reverse())
{
if (first)
{
first = false;
}
else
{
sb.Append(" > ");
}
sb.Append($"{chain.Text}{(chain.Items.Count > 0 ? $" ({chain.Items.Count})" : "")}");
}
sb.Append(" > ");
}
//---- Append the current menu name.
sb.Append($"{Text}{(Items.Count > 0 ? $" ({Items.Count})" : "")}");
//---- Draw full menu name
DBG.DrawOutlinedText(sb.ToString(), darkTitleRect.TopLeftCorner() + new Vector2(8, 4),
CustomColorFunction?.Invoke() ?? Color.White, DBG.DEBUG_FONT, startAndEndSpriteBatchForMe: false);
if (Items.Count != 0)
{
if (SelectedIndex < 0)
{
SelectedIndex = 0;
}
else if (SelectedIndex >= Items.Count)
{
SelectedIndex = Items.Count - 1;
}
var selectedItemRect = GetItemDisplayRect(SelectedIndex, SubMenuRect);
if (Items.Count != prevFrameItemCount)
{
menuHeight = GetEntireMenuHeight();
}
// Only need to calculate scroll stuff if there's text that reaches past the bottom.
if (menuHeight > SubMenuRect.Height)
{
// Scroll selected into view.
//---- If item is ABOVE view
if (selectedItemRect.Top < SubMenuRect.Top)
{
int distanceNeededToScroll = SubMenuRect.Top - selectedItemRect.Top;
Scroll -= distanceNeededToScroll;
}
//---- If item is BELOW view
if (selectedItemRect.Bottom > SubMenuRect.Bottom)
{
int distanceNeededToScroll = selectedItemRect.Bottom - SubMenuRect.Bottom;
Scroll += distanceNeededToScroll;
}
}
// Clamp scroll
MaxScroll = Math.Max(GetEntireMenuHeight() - SubMenuRect.Height, 0);
if (Scroll > MaxScroll)
{
Scroll = MaxScroll;
}
else if (Scroll < 0)
{
Scroll = 0;
}
// Debug display of menu item rectangles:
//for (int i = 0; i < Items.Count; i++)
//{
// var TEST_DebugDrawItemRect = GetItemDisplayRect(i, SubMenuRect);
// GFX.SpriteBatch.Begin();
// GFX.SpriteBatch.Draw(MODEL_VIEWER_MAIN.DEFAULT_TEXTURE_DIFFUSE, TEST_DebugDrawItemRect, Color.Yellow);
// GFX.SpriteBatch.End();
//}
// ONLY draw the menu items that are in-frame
int roughStartDrawIndex = (int)((Scroll / menuHeight) * (Items.Count - 1)) - 1;
int roughEndDrawIndex = (int)(((Scroll + MenuRect.Height) / menuHeight) * (Items.Count - 1)) + 1;
if (roughStartDrawIndex < 0)
{
roughStartDrawIndex = 0;
}
else if (roughStartDrawIndex >= Items.Count)
{
roughStartDrawIndex = Items.Count - 1;
}
if (roughEndDrawIndex < 0)
{
roughEndDrawIndex = 0;
}
else if (roughEndDrawIndex >= Items.Count)
{
roughEndDrawIndex = Items.Count - 1;
}
GFX.SpriteBatchEnd();
// Store current viewport, then switch viewport to JUST the menu rect
var oldViewport = GFX.Device.Viewport;
GFX.Device.Viewport = new Viewport(
oldViewport.X + SubMenuRect.X,
oldViewport.Y + SubMenuRect.Y,
SubMenuRect.Width,
SubMenuRect.Height);
GFX.SpriteBatchBegin();
// ---- These braces manually force a smaller scope so we
// don't forget to return to the old viewport immediately afterward.
{
// Draw Items
var selectionPrefixTextSize = Vector2.Zero;// FONT.MeasureString($" {UICursorBlinkString} ");
for (int i = roughStartDrawIndex; i <= roughEndDrawIndex; i++)
{
Items[i].UpdateUI();
var entryText = GetActualItemDisplayText(i);
var itemRect = GetItemDisplayRect(i, SubMenuRect);
// Check if this item is inside the actual menu rectangle.
if (SubMenuRect.Intersects(itemRect))
{
var itemTextColor = Items[i].CustomColorFunction?.Invoke() ?? ((SelectedIndex == i &&
MenuOpenState == DbgMenuOpenState.Open)
? Color.LightGreen : Color.White);
if (SelectedIndex == i && MenuOpenState == DbgMenuOpenState.Open)
{
var underlineRect = new Rectangle(
itemRect.X - SubMenuRect.X + (int)selectionPrefixTextSize.X - 4,
itemRect.Y - SubMenuRect.Y - 1,
MenuRect.Width - (int)(selectionPrefixTextSize.X) + 4,
itemRect.Height + 2);
if (menuHeight > SubMenuRect.Height)
{
underlineRect = new Rectangle(underlineRect.X + 12, underlineRect.Y, underlineRect.Width - 4, underlineRect.Height);
}
GFX.SpriteBatch.Draw(Main.WHITE_TEXTURE, underlineRect,
Color.Black);
}
// We have to SUBTRACT the menu top/left coord because the string
// drawing is relative to the VIEWPORT, which takes up just the actual menu rect
DBG.DrawOutlinedText(entryText,
new Vector2(itemRect.X - SubMenuRect.X, itemRect.Y - SubMenuRect.Y),
itemTextColor, FONT, startAndEndSpriteBatchForMe: false);
}
}
// Draw Scrollbar
// Only if there's stuff that passes the bottom of the menu.
if (menuHeight > SubMenuRect.Height)
{
//---- Draw Scrollbar Background
GFX.SpriteBatch.Draw(Main.WHITE_TEXTURE,
new Rectangle(0, 0, 8, SubMenuRect.Height), Color.White * 0.5f * menuBackgroundOpacityMult);
float curScrollRectTop = (Scroll / menuHeight) * SubMenuRect.Height;
float curScrollRectHeight = (SubMenuRect.Height / menuHeight) * SubMenuRect.Height;
//---- Scroll Scrollbar current scroll
GFX.SpriteBatch.Draw(Main.WHITE_TEXTURE,
new Rectangle(0, (int)curScrollRectTop, 8, (int)curScrollRectHeight),
Color.White * 0.75f * menuBackgroundOpacityMult);
}
}
//---- Return to old viewport
GFX.SpriteBatchEnd();
GFX.Device.Viewport = oldViewport;
prevFrameItemCount = Items.Count;
}
}
