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Add IRC-style chat colors options #316

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eecbb9d
Add IRC-style chat colors
gwigz Jun 13, 2026
84e3cb4
Split IRC-name lightness, and add chat preview
gwigz Jun 14, 2026
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98 changes: 98 additions & 0 deletions indra/newview/alavatargroups.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
// lib includes
#include "llavatarname.h"
#include "llavatarnamecache.h"
#include "llchat.h"
#include "lluicolor.h"
#include "lluicolortable.h"
#include "lluuid.h"
Expand All @@ -34,6 +35,7 @@
// viewer includes
#include "llagent.h"
#include "llcallingcard.h"
#include "llinstantmessage.h" // SYSTEM_FROM
#include "llmutelist.h"
#include "llviewercontrol.h"
#include "rlvactions.h"
Expand Down Expand Up @@ -294,3 +296,99 @@ std::string ALAvatarGroups::getAvatarColorName(const LLUUID& id, std::string_vie

return out_color_name;
}

bool ALAvatarGroups::getIRCChatColor(const LLChat& chat, LLUIColor& color)
{
static LLCachedControl<bool> enabled(gSavedSettings, "AlchemyChatIRCColorsEnabled", false);
if (!enabled)
{
return false;
}

// Only override "other" speakers; self, system, objects and owner-say keep
// their user-configured chat colors from the existing switch.
if (chat.mSourceType == CHAT_SOURCE_AGENT
&& chat.mFromID.notNull()
&& chat.mFromID != gAgentID
&& SYSTEM_FROM != chat.mFromName
// A stable per-avatar color would defeat @shownames, so skip it while
// restricted from seeing this speaker's name.
&& RlvActions::canShowName(RlvActions::SNC_DEFAULT, chat.mFromID))
{
color = deterministicAgentColor(chat.mFromID);
return true;
}

return false;
}

bool ALAvatarGroups::getIRCNameColor(const LLChat& chat, LLUIColor& color)
{
static LLCachedControl<bool> enabled(gSavedSettings, "AlchemyChatIRCColorsEnabled", false);
if (!enabled)
{
return false;
}

// Keep the default name styling while restricted from seeing this speaker's
// name, matching getIRCChatColor.
if (!RlvActions::canShowName(RlvActions::SNC_DEFAULT, chat.mFromID))
{
return false;
}

color = nameColor(chat.mFromID);
return true;
}

bool ALAvatarGroups::getIRCNameTagColor(const LLUUID& id, LLColor4& color)
{
static LLCachedControl<bool> enabled(gSavedSettings, "AlchemyChatIRCColorsEnabled", false);
static LLCachedControl<bool> name_tags(gSavedSettings, "AlchemyChatIRCColorNameTags", false);
if (!enabled || !name_tags)
{
return false;
}

// Mirror the chat-color override: only other agents get a per-avatar color,
// self keeps the user-configured name tag colors. Skip while restricted from
// seeing this avatar's name so the color can't defeat @shownames. The name
// lightness applied to chat names is applied here too so tags match.
if (id.notNull() && id != gAgentID
&& RlvActions::canShowName(RlvActions::SNC_DEFAULT, id))
{
color = nameColor(id);
return true;
}

return false;
}

LLColor4 ALAvatarGroups::deterministicAgentColor(const LLUUID& id)
{
static LLCachedControl<F32> saturation(gSavedSettings, "AlchemyChatIRCAgentSaturation", 0.7f);
static LLCachedControl<F32> lightness(gSavedSettings, "AlchemyChatIRCAgentLightness", 0.9f);

LLColor4 color;
color.setHSL(static_cast<F32>(id.getCRC32() % 360) / 360.f, saturation(), lightness());
color.mV[VALPHA] = 1.f;

return color;
}

LLColor4 ALAvatarGroups::nameColor(const LLUUID& id)
{
static LLCachedControl<F32> saturation(gSavedSettings, "AlchemyChatIRCAgentSaturation", 0.7f);
static LLCachedControl<F32> name_lightness(gSavedSettings, "AlchemyChatIRCNameLightness", 0.7f);

// Same hue and saturation as the per-agent chat color, but with the name's
// own independent lightness. Built from the same inputs as the chat color
// rather than derived from it, so the chat Lightness slider doesn't bleed
// into the name (a very light/dark chat color loses saturation, and hue at
// the extremes, when round-tripped through RGB).
LLColor4 result;
result.setHSL(static_cast<F32>(id.getCRC32() % 360) / 360.f, saturation(), name_lightness());
result.mV[VALPHA] = 1.f;

return result;
}
14 changes: 14 additions & 0 deletions indra/newview/alavatargroups.h
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,9 @@
#include <boost/unordered_map.hpp>
#include <boost/unordered_set.hpp>

class LLChat;
class LLColor4;
class LLUIColor;
class LLUUID;

class ALAvatarGroups final : public LLSingleton < ALAvatarGroups >
Expand Down Expand Up @@ -54,4 +56,16 @@ class ALAvatarGroups final : public LLSingleton < ALAvatarGroups >

LLColor4 getAvatarColor(const LLUUID& id, LLColor4 default_color, EColorType color_type);
std::string getAvatarColorName(const LLUUID& id, std::string_view color_name, EColorType color_type);

// IRC-style chat coloring: when enabled, gives every other speaker a stable
// deterministic color and dims the displayed name relative to its text color.
// Other message categories (self, system, objects, owner-say) keep their
// user-configured chat colors.
bool getIRCChatColor(const LLChat& chat, LLUIColor& color);
bool getIRCNameColor(const LLChat& chat, LLUIColor& color);
bool getIRCNameTagColor(const LLUUID& id, LLColor4& color);

private:
LLColor4 deterministicAgentColor(const LLUUID& id);
LLColor4 nameColor(const LLUUID& id);
};
55 changes: 55 additions & 0 deletions indra/newview/app_settings/settings_alchemy.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -387,6 +387,61 @@
<key>Value</key>
<string>/tp2cam</string>
</map>
<key>AlchemyChatIRCColorsEnabled</key>
<map>
<key>Comment</key>
<string>Use IRC-style deterministic colors for local chat names and text.</string>
<key>Persist</key>
<integer>1</integer>
<key>Type</key>
<string>Boolean</string>
<key>Value</key>
<integer>0</integer>
</map>
<key>AlchemyChatIRCColorNameTags</key>
<map>
<key>Comment</key>
<string>Overwrite each other agent's name tag with their IRC-style per-agent chat color.</string>
<key>Persist</key>
<integer>1</integer>
<key>Type</key>
<string>Boolean</string>
<key>Value</key>
<integer>0</integer>
</map>
<key>AlchemyChatIRCAgentSaturation</key>
<map>
<key>Comment</key>
<string>Saturation of the per-agent IRC-style chat colors (0-1).</string>
<key>Persist</key>
<integer>1</integer>
<key>Type</key>
<string>F32</string>
<key>Value</key>
<real>0.7</real>
</map>
<key>AlchemyChatIRCAgentLightness</key>
<map>
<key>Comment</key>
<string>Lightness of the per-agent IRC-style chat colors (0-1).</string>
<key>Persist</key>
<integer>1</integer>
<key>Type</key>
<string>F32</string>
<key>Value</key>
<real>0.9</real>
</map>
<key>AlchemyChatIRCNameLightness</key>
<map>
<key>Comment</key>
<string>Lightness of the displayed name in IRC-style chat colors; shares the chat color's hue and saturation (0-1).</string>
<key>Persist</key>
<integer>1</integer>
<key>Type</key>
<string>F32</string>
<key>Value</key>
<real>0.7</real>
</map>
<key>AlchemyChatMarkUnnamedObjects</key>
<map>
<key>Comment</key>
Expand Down
15 changes: 15 additions & 0 deletions indra/newview/llchathistory.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -69,6 +69,7 @@
#include "llviewercontrol.h"
#include "llviewermenu.h"
#include "llviewerobjectlist.h"
#include "alavatargroups.h"
// [SL:KB] - Patch: Chat-Alerts | Checked: 2012-07-10 (Catznip-3.3)
#include "llaudioengine.h"
#include "lltextparser.h"
Expand Down Expand Up @@ -1338,6 +1339,7 @@ void LLChatHistory::appendMessage(const LLChat& chat, const LLSD &args, const LL
LLUIColor txt_color = LLUIColorTable::instance().getColor("White");
LLUIColor name_color = LLUIColorTable::instance().getColor("ChatHeaderDisplayNameColor"); // <alchemy/>
LLViewerChat::getChatColor(chat, txt_color, alpha);
const bool irc_name_color = ALAvatarGroups::instance().getIRCNameColor(chat, name_color);

LLFontGL* fontp = LLViewerChat::getChatFont();
std::string font_name = LLFontGL::nameFromFont(fontp);
Expand Down Expand Up @@ -1463,6 +1465,11 @@ void LLChatHistory::appendMessage(const LLChat& chat, const LLSD &args, const LL
static LLUIColor link_color = LLUIColorTable::instance().getColor("HTMLLinkColor");
link_params.color = link_color;
link_params.readonly_color = link_color;
if (irc_name_color)
{
link_params.color = name_color;
link_params.readonly_color = name_color;
}
link_params.is_link = true;
link_params.link_href = url;

Expand Down Expand Up @@ -1500,6 +1507,14 @@ void LLChatHistory::appendMessage(const LLChat& chat, const LLSD &args, const LL
{
LLStyle::Params link_params(body_message_params);
link_params.overwriteFrom(LLStyleMap::instance().lookupAgent(chat.mFromID));
if (irc_name_color)
{
// Keep our dimmed name color instead of letting the agent
// SLURL re-parse to the default HTMLLinkColor link style.
link_params.use_default_link_style = false;
link_params.color = name_color;
link_params.readonly_color = name_color;
}

if (use_irssi_text_chat_history)
{
Expand Down
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