You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

392 lines
13 KiB
C#

using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
// Handles the log items in an optimized way such that existing log items are
// recycled within the list instead of creating a new log item at each chance
namespace IngameDebugConsole
{
public class DebugLogRecycledListView : MonoBehaviour
{
#pragma warning disable 0649
// Cached components
[SerializeField]
private RectTransform transformComponent;
[SerializeField]
private RectTransform viewportTransform;
[SerializeField]
private Color logItemNormalColor1;
[SerializeField]
private Color logItemNormalColor2;
[SerializeField]
private Color logItemSelectedColor;
#pragma warning restore 0649
internal DebugLogManager manager;
private ScrollRect scrollView;
private float logItemHeight, _1OverLogItemHeight;
private float viewportHeight;
// Unique debug entries
private List<DebugLogEntry> collapsedLogEntries = null;
// Indices of debug entries to show in collapsedLogEntries
private DebugLogIndexList<int> indicesOfEntriesToShow = null;
private DebugLogIndexList<DebugLogEntryTimestamp> timestampsOfEntriesToShow = null;
private int indexOfSelectedLogEntry = int.MaxValue;
private float positionOfSelectedLogEntry = float.MaxValue;
private float heightOfSelectedLogEntry;
private float deltaHeightOfSelectedLogEntry;
// Log items used to visualize the debug entries at specified indices
private readonly Dictionary<int, DebugLogItem> logItemsAtIndices = new Dictionary<int, DebugLogItem>( 256 );
private bool isCollapseOn = false;
// Current indices of debug entries shown on screen
private int currentTopIndex = -1, currentBottomIndex = -1;
public float ItemHeight { get { return logItemHeight; } }
public float SelectedItemHeight { get { return heightOfSelectedLogEntry; } }
private void Awake()
{
scrollView = viewportTransform.GetComponentInParent<ScrollRect>();
scrollView.onValueChanged.AddListener( ( pos ) => UpdateItemsInTheList( false ) );
viewportHeight = viewportTransform.rect.height;
}
public void Initialize( DebugLogManager manager, List<DebugLogEntry> collapsedLogEntries, DebugLogIndexList<int> indicesOfEntriesToShow, DebugLogIndexList<DebugLogEntryTimestamp> timestampsOfEntriesToShow, float logItemHeight )
{
this.manager = manager;
this.collapsedLogEntries = collapsedLogEntries;
this.indicesOfEntriesToShow = indicesOfEntriesToShow;
this.timestampsOfEntriesToShow = timestampsOfEntriesToShow;
this.logItemHeight = logItemHeight;
_1OverLogItemHeight = 1f / logItemHeight;
}
public void SetCollapseMode( bool collapse )
{
isCollapseOn = collapse;
}
// A log item is clicked, highlight it
public void OnLogItemClicked( DebugLogItem item )
{
OnLogItemClickedInternal( item.Index, item );
}
// Force expand the log item at specified index
public void SelectAndFocusOnLogItemAtIndex( int itemIndex )
{
if( indexOfSelectedLogEntry != itemIndex ) // Make sure that we aren't deselecting the target log item
OnLogItemClickedInternal( itemIndex );
float transformComponentCenterYAtTop = viewportHeight * 0.5f;
float transformComponentCenterYAtBottom = transformComponent.sizeDelta.y - viewportHeight * 0.5f;
float transformComponentTargetCenterY = itemIndex * logItemHeight + viewportHeight * 0.5f;
if( transformComponentCenterYAtTop == transformComponentCenterYAtBottom )
scrollView.verticalNormalizedPosition = 0.5f;
else
scrollView.verticalNormalizedPosition = Mathf.Clamp01( Mathf.InverseLerp( transformComponentCenterYAtBottom, transformComponentCenterYAtTop, transformComponentTargetCenterY ) );
manager.SetSnapToBottom( false );
}
private void OnLogItemClickedInternal( int itemIndex, DebugLogItem referenceItem = null )
{
if( indexOfSelectedLogEntry != itemIndex )
{
DeselectSelectedLogItem();
if( !referenceItem )
{
if( currentTopIndex == -1 )
UpdateItemsInTheList( false ); // Try to generate some DebugLogItems, we need one DebugLogItem to calculate the text height
referenceItem = logItemsAtIndices[currentTopIndex];
}
indexOfSelectedLogEntry = itemIndex;
positionOfSelectedLogEntry = itemIndex * logItemHeight;
heightOfSelectedLogEntry = referenceItem.CalculateExpandedHeight( collapsedLogEntries[indicesOfEntriesToShow[itemIndex]], ( timestampsOfEntriesToShow != null ) ? timestampsOfEntriesToShow[itemIndex] : (DebugLogEntryTimestamp?) null );
deltaHeightOfSelectedLogEntry = heightOfSelectedLogEntry - logItemHeight;
manager.SetSnapToBottom( false );
}
else
DeselectSelectedLogItem();
if( indexOfSelectedLogEntry >= currentTopIndex && indexOfSelectedLogEntry <= currentBottomIndex )
ColorLogItem( logItemsAtIndices[indexOfSelectedLogEntry], indexOfSelectedLogEntry );
CalculateContentHeight();
HardResetItems();
UpdateItemsInTheList( true );
manager.ValidateScrollPosition();
}
// Deselect the currently selected log item
public void DeselectSelectedLogItem()
{
int indexOfPreviouslySelectedLogEntry = indexOfSelectedLogEntry;
indexOfSelectedLogEntry = int.MaxValue;
positionOfSelectedLogEntry = float.MaxValue;
heightOfSelectedLogEntry = deltaHeightOfSelectedLogEntry = 0f;
if( indexOfPreviouslySelectedLogEntry >= currentTopIndex && indexOfPreviouslySelectedLogEntry <= currentBottomIndex )
ColorLogItem( logItemsAtIndices[indexOfPreviouslySelectedLogEntry], indexOfPreviouslySelectedLogEntry );
}
// Number of debug entries may be changed, update the list
public void OnLogEntriesUpdated( bool updateAllVisibleItemContents )
{
CalculateContentHeight();
viewportHeight = viewportTransform.rect.height;
if( updateAllVisibleItemContents )
HardResetItems();
UpdateItemsInTheList( updateAllVisibleItemContents );
}
// A single collapsed log entry at specified index is updated, refresh its item if visible
public void OnCollapsedLogEntryAtIndexUpdated( int index )
{
DebugLogItem logItem;
if( logItemsAtIndices.TryGetValue( index, out logItem ) )
{
logItem.ShowCount();
if( timestampsOfEntriesToShow != null )
logItem.UpdateTimestamp( timestampsOfEntriesToShow[index] );
}
}
// Log window's width has changed, update the expanded (currently selected) log's height
public void OnViewportWidthChanged()
{
if( indexOfSelectedLogEntry >= indicesOfEntriesToShow.Count )
return;
if( currentTopIndex == -1 )
{
UpdateItemsInTheList( false ); // Try to generate some DebugLogItems, we need one DebugLogItem to calculate the text height
if( currentTopIndex == -1 ) // No DebugLogItems are generated, weird
return;
}
DebugLogItem referenceItem = logItemsAtIndices[currentTopIndex];
heightOfSelectedLogEntry = referenceItem.CalculateExpandedHeight( collapsedLogEntries[indicesOfEntriesToShow[indexOfSelectedLogEntry]], ( timestampsOfEntriesToShow != null ) ? timestampsOfEntriesToShow[indexOfSelectedLogEntry] : (DebugLogEntryTimestamp?) null );
deltaHeightOfSelectedLogEntry = heightOfSelectedLogEntry - logItemHeight;
CalculateContentHeight();
HardResetItems();
UpdateItemsInTheList( true );
manager.ValidateScrollPosition();
}
// Log window's height has changed, update the list
public void OnViewportHeightChanged()
{
viewportHeight = viewportTransform.rect.height;
UpdateItemsInTheList( false );
}
private void HardResetItems()
{
if( currentTopIndex != -1 )
{
DestroyLogItemsBetweenIndices( currentTopIndex, currentBottomIndex );
currentTopIndex = -1;
}
}
private void CalculateContentHeight()
{
float newHeight = Mathf.Max( 1f, indicesOfEntriesToShow.Count * logItemHeight + deltaHeightOfSelectedLogEntry );
transformComponent.sizeDelta = new Vector2( 0f, newHeight );
}
// Calculate the indices of log entries to show
// and handle log items accordingly
public void UpdateItemsInTheList( bool updateAllVisibleItemContents )
{
// If there is at least one log entry to show
if( indicesOfEntriesToShow.Count > 0 )
{
float contentPosTop = transformComponent.anchoredPosition.y - 1f;
float contentPosBottom = contentPosTop + viewportHeight + 2f;
if( positionOfSelectedLogEntry <= contentPosBottom )
{
if( positionOfSelectedLogEntry <= contentPosTop )
{
contentPosTop -= deltaHeightOfSelectedLogEntry;
contentPosBottom -= deltaHeightOfSelectedLogEntry;
if( contentPosTop < positionOfSelectedLogEntry - 1f )
contentPosTop = positionOfSelectedLogEntry - 1f;
if( contentPosBottom < contentPosTop + 2f )
contentPosBottom = contentPosTop + 2f;
}
else
{
contentPosBottom -= deltaHeightOfSelectedLogEntry;
if( contentPosBottom < positionOfSelectedLogEntry + 1f )
contentPosBottom = positionOfSelectedLogEntry + 1f;
}
}
int newTopIndex = (int) ( contentPosTop * _1OverLogItemHeight );
int newBottomIndex = (int) ( contentPosBottom * _1OverLogItemHeight );
if( newTopIndex < 0 )
newTopIndex = 0;
if( newBottomIndex > indicesOfEntriesToShow.Count - 1 )
newBottomIndex = indicesOfEntriesToShow.Count - 1;
if( currentTopIndex == -1 )
{
// There are no log items visible on screen,
// just create the new log items
updateAllVisibleItemContents = true;
currentTopIndex = newTopIndex;
currentBottomIndex = newBottomIndex;
CreateLogItemsBetweenIndices( newTopIndex, newBottomIndex );
}
else
{
// There are some log items visible on screen
if( newBottomIndex < currentTopIndex || newTopIndex > currentBottomIndex )
{
// If user scrolled a lot such that, none of the log items are now within
// the bounds of the scroll view, pool all the previous log items and create
// new log items for the new list of visible debug entries
updateAllVisibleItemContents = true;
DestroyLogItemsBetweenIndices( currentTopIndex, currentBottomIndex );
CreateLogItemsBetweenIndices( newTopIndex, newBottomIndex );
}
else
{
// User did not scroll a lot such that, there are still some log items within
// the bounds of the scroll view. Don't destroy them but update their content,
// if necessary
if( newTopIndex > currentTopIndex )
DestroyLogItemsBetweenIndices( currentTopIndex, newTopIndex - 1 );
if( newBottomIndex < currentBottomIndex )
DestroyLogItemsBetweenIndices( newBottomIndex + 1, currentBottomIndex );
if( newTopIndex < currentTopIndex )
{
CreateLogItemsBetweenIndices( newTopIndex, currentTopIndex - 1 );
// If it is not necessary to update all the log items,
// then just update the newly created log items. Otherwise,
// wait for the major update
if( !updateAllVisibleItemContents )
UpdateLogItemContentsBetweenIndices( newTopIndex, currentTopIndex - 1 );
}
if( newBottomIndex > currentBottomIndex )
{
CreateLogItemsBetweenIndices( currentBottomIndex + 1, newBottomIndex );
// If it is not necessary to update all the log items,
// then just update the newly created log items. Otherwise,
// wait for the major update
if( !updateAllVisibleItemContents )
UpdateLogItemContentsBetweenIndices( currentBottomIndex + 1, newBottomIndex );
}
}
currentTopIndex = newTopIndex;
currentBottomIndex = newBottomIndex;
}
if( updateAllVisibleItemContents )
{
// Update all the log items
UpdateLogItemContentsBetweenIndices( currentTopIndex, currentBottomIndex );
}
}
else
HardResetItems();
}
private void CreateLogItemsBetweenIndices( int topIndex, int bottomIndex )
{
for( int i = topIndex; i <= bottomIndex; i++ )
CreateLogItemAtIndex( i );
}
// Create (or unpool) a log item
private void CreateLogItemAtIndex( int index )
{
DebugLogItem logItem = manager.PopLogItem();
// Reposition the log item
Vector2 anchoredPosition = new Vector2( 1f, -index * logItemHeight );
if( index > indexOfSelectedLogEntry )
anchoredPosition.y -= deltaHeightOfSelectedLogEntry;
logItem.Transform.anchoredPosition = anchoredPosition;
// Color the log item
ColorLogItem( logItem, index );
// To access this log item easily in the future, add it to the dictionary
logItemsAtIndices[index] = logItem;
}
private void DestroyLogItemsBetweenIndices( int topIndex, int bottomIndex )
{
for( int i = topIndex; i <= bottomIndex; i++ )
manager.PoolLogItem( logItemsAtIndices[i] );
}
private void UpdateLogItemContentsBetweenIndices( int topIndex, int bottomIndex )
{
DebugLogItem logItem;
for( int i = topIndex; i <= bottomIndex; i++ )
{
logItem = logItemsAtIndices[i];
logItem.SetContent( collapsedLogEntries[indicesOfEntriesToShow[i]], ( timestampsOfEntriesToShow != null ) ? timestampsOfEntriesToShow[i] : (DebugLogEntryTimestamp?) null, i, i == indexOfSelectedLogEntry );
if( isCollapseOn )
logItem.ShowCount();
else
logItem.HideCount();
}
}
// Color a log item using its index
private void ColorLogItem( DebugLogItem logItem, int index )
{
if( index == indexOfSelectedLogEntry )
logItem.Image.color = logItemSelectedColor;
else if( index % 2 == 0 )
logItem.Image.color = logItemNormalColor1;
else
logItem.Image.color = logItemNormalColor2;
}
}
}