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feat: Scrollable chat (#1493)

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This commit is contained in:
DrPerkyLegit
2026-04-13 00:42:04 -05:00
committed by itsRevela
parent 5e7ad7333e
commit 6c572d4940
7 changed files with 58 additions and 10 deletions
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Minecraft.Client/Common/UI/UIScene_HUD.cpp
+24 -7
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@@ -9,6 +9,7 @@
#include "../../EnderDragonRenderer.h"
#include "../../../Minecraft.World/net.minecraft.world.inventory.h"
#include "../../../Minecraft.World/StringHelpers.h"
#include <ChatScreen.h>
UIScene_HUD::UIScene_HUD(int iPad, void *initData, UILayer *parentLayer) : UIScene(iPad, parentLayer)
{
@@ -778,16 +779,31 @@ void UIScene_HUD::render(S32 width, S32 height, C4JRender::eViewportType viewpor
void UIScene_HUD::handleTimerComplete(int id)
{
Minecraft *pMinecraft = Minecraft::GetInstance();
bool isChatOpen = (dynamic_cast<ChatScreen*>(pMinecraft->getScreen()) != nullptr);
bool anyVisible = false;
if(pMinecraft->localplayers[m_iPad]!= nullptr)
{
Gui *pGui = pMinecraft->gui;
//DWORD messagesToDisplay = min( CHAT_LINES_COUNT, pGui->getMessagesCount(m_iPad) );
for( unsigned int i = 0; i < CHAT_LINES_COUNT; ++i )
DWORD totalMessages = pGui->getMessagesCount(m_iPad);
DWORD messagesToDisplay = min( CHAT_LINES_COUNT, totalMessages);
DWORD maxScroll = max(0, totalMessages - messagesToDisplay);
bool canScroll = messagesToDisplay < totalMessages;
int startIndex = (canScroll && isChatOpen ? ChatScreen::getChatIndex() : 0);
if (startIndex > maxScroll) {
ChatScreen::correctChatIndex(maxScroll);
startIndex = maxScroll;
}
app.DebugPrintf("handleTimerComplete: %d | %d | %d\n", maxScroll, startIndex, totalMessages);
for( unsigned int i = 0; i < messagesToDisplay; ++i )
{
float opacity = pGui->getOpacity(m_iPad, i);
if( opacity > 0 )
unsigned int msgIndex = startIndex + i;
float opacity = pGui->getOpacity(m_iPad, msgIndex);
if( opacity > 0 || isChatOpen)
{
#if 0 // def _WINDOWS64 // Use Iggy chat until Gui::render has visual parity
// Chat drawn by Gui::render with color codes. Hides Iggy chat to avoid double chats.
@@ -795,9 +811,10 @@ void UIScene_HUD::handleTimerComplete(int id)
m_labelChatText[i].setOpacity(0);
m_labelChatText[i].setLabel(L"");
#else
m_controlLabelBackground[i].setOpacity(opacity);
m_labelChatText[i].setOpacity(opacity);
m_labelChatText[i].setLabel( pGui->getMessagesCount(m_iPad) ? pGui->getMessage(m_iPad,i) : L"" );
m_controlLabelBackground[i].setOpacity((isChatOpen ? 1 : opacity));
m_labelChatText[i].setOpacity((isChatOpen ? 1 : opacity));
m_labelChatText[i].setLabel(pGui->getMessage(m_iPad, msgIndex));
#endif
anyVisible = true;
}