CFG: Add ability to combine negative prompts
This allows for flexibility with global, character, and chat negative prompts. Combining prompts is very useful for users who want to maintain a set of global negatives and then add extra layers on top of that. The ordering is chat -> character -> global tags due to the specificity of each. The guidance scale follows the cascade of chat -> character -> global due to being one number that is set when CFG is fired. If the guidance scale is 1, nothing happens. Signed-off-by: kingbri <bdashore3@proton.me>
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kingbri
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5bb6c89868
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4a21ee0337
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@ -7,22 +7,23 @@ import {
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} from "../../../script.js";
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import { selected_group } from "../../group-chats.js";
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import { extension_settings, saveMetadataDebounced } from "../../extensions.js";
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import { getCharaFilename, delay } from "../../utils.js";
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import { getCharaFilename, delay, debounce } from "../../utils.js";
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import { power_user } from "../../power-user.js";
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import { metadataKeys } from "./util.js";
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// Keep track of where your extension is located, name should match repo name
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const extensionName = "cfg";
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const extensionFolderPath = `scripts/extensions/${extensionName}`;
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const defaultSettings = {
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"global": {
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global: {
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"guidance_scale": 1,
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"negative_prompt": ''
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},
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"chara": []
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chara: []
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};
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const settingType = {
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"guidance_scale": 0,
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"negative_prompt": 1
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guidance_scale: 0,
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negative_prompt: 1
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}
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// Used for character and chat CFG values
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@ -64,7 +65,7 @@ function setCharCfg(tempValue, setting) {
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if (extension_settings.cfg.chara && existingCharaCfg) {
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const tempAssign = Object.assign(existingCharaCfg, tempCharaCfg);
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// if both values are default, remove the entry
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// If both values are default, remove the entry
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if (!existingCharaCfg.useChara && (tempAssign.guidance_scale ?? 1.00) === 1.00 && (tempAssign.negative_prompt?.length ?? 0) === 0) {
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extension_settings.cfg.chara.splice(existingCharaCfgIndex, 1);
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}
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@ -73,8 +74,6 @@ function setCharCfg(tempValue, setting) {
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extension_settings.cfg.chara = []
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}
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Object.assign(tempCharaCfg, { useChara: false })
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extension_settings.cfg.chara.push(tempCharaCfg);
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} else {
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console.log("Character CFG error: No avatar name key could be found.");
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@ -88,28 +87,13 @@ function setCharCfg(tempValue, setting) {
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return true;
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}
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function setCharCfgCheckbox() {
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const value = !!$(this).prop('checked');
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const charaCfgIndex = extension_settings.cfg.chara.findIndex((e) => e.name === getCharaFilename());
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const charaCfg = extension_settings.cfg.chara[charaCfgIndex];
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if (charaCfg) {
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if (!value && (charaCfg.guidance_scale ?? 1.00) === 1.00 && (charaCfg.negative_prompt?.length ?? 0) === 0) {
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extension_settings.cfg.chara.splice(charaCfgIndex, 1);
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} else {
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charaCfg.useChara = value;
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}
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updateSettings();
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}
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}
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function setChatCfg(tempValue, setting) {
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switch(setting) {
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case settingType.guidance_scale:
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chat_metadata['guidance_scale'] = tempValue;
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chat_metadata[metadataKeys.guidance_scale] = tempValue;
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break;
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case settingType.negative_prompt:
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chat_metadata['negative_prompt'] = tempValue;
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chat_metadata[metadataKeys.negative_prompt] = tempValue;
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break;
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default:
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return false;
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@ -173,18 +157,24 @@ function onChatChanged() {
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}
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// Reloads chat-specific settings
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// TODO: Fix race condition bug where deleted chara CFG still loads previous prompts
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function loadSettings() {
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// Set chat CFG if it exists
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$('#chat_cfg_guidance_scale').val(chat_metadata['guidance_scale'] ?? 1.00);
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$('#chat_cfg_guidance_scale_counter').text(chat_metadata['guidance_scale']?.toFixed(2) ?? 1.00);
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$('#chat_cfg_negative_prompt').val(chat_metadata['negative_prompt'] ?? '');
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$('#chat_cfg_guidance_scale').val(chat_metadata[metadataKeys.guidance_scale] ?? 1.0.toFixed(2));
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$('#chat_cfg_guidance_scale_counter').text(chat_metadata[metadataKeys.guidance_scale]?.toFixed(2) ?? 1.0.toFixed(2));
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$('#chat_cfg_negative_prompt').val(chat_metadata[metadataKeys.negative_prompt] ?? '');
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if (chat_metadata[metadataKeys.negative_combine]?.length > 0) {
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chat_metadata[metadataKeys.negative_combine].forEach((element) => {
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$(`input[name="cfg_negative_combine"][value="${element}"]`)
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.prop("checked", true);
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});
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}
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// Set character CFG if it exists
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const charaCfg = extension_settings.cfg.chara.find((e) => e.name === getCharaFilename());
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$('#chara_cfg_guidance_scale').val(charaCfg?.guidance_scale ?? 1.00);
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$('#chara_cfg_guidance_scale_counter').text(charaCfg?.guidance_scale?.toFixed(2) ?? 1.00);
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$('#chara_cfg_guidance_scale_counter').text(charaCfg?.guidance_scale?.toFixed(2) ?? 1.0.toFixed(2));
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$('#chara_cfg_negative_prompt').val(charaCfg?.negative_prompt ?? '');
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$('#use_chara_cfg').prop('checked', charaCfg?.useChara ?? false);
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}
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// Load initial extension settings
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@ -251,6 +241,17 @@ jQuery(async () => {
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setChatCfg($(this).val(), settingType.negative_prompt);
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});
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windowHtml.find(`input[name="cfg_negative_combine"]`).on('input', function() {
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const values = windowHtml.find(`input[name="cfg_negative_combine"]`)
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.filter(":checked")
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.map(function() { return parseInt($(this).val()) })
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.get()
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.filter((e) => e !== NaN) || [];
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chat_metadata[metadataKeys.negative_combine] = values;
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saveMetadataDebounced();
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});
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windowHtml.find('#chara_cfg_guidance_scale').on('input', function() {
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const value = $(this).val();
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const success = setCharCfg(value, settingType.guidance_scale);
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@ -263,12 +264,9 @@ jQuery(async () => {
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setCharCfg($(this).val(), settingType.negative_prompt);
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});
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windowHtml.find('#use_chara_cfg').on('input', setCharCfgCheckbox);
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windowHtml.find('#global_cfg_guidance_scale').on('input', function() {
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extension_settings.cfg.global.guidance_scale = Number($(this).val());
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$('#global_cfg_guidance_scale_counter').text(extension_settings.cfg.global.guidance_scale.toFixed(2));
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console.log(extension_settings.cfg.global.guidance_scale)
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saveSettingsDebounced();
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});
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@ -2,32 +2,67 @@ import { chat_metadata } from "../../../script.js";
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import { extension_settings } from "../../extensions.js"
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import { getCharaFilename } from "../../utils.js";
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export const cfgType = {
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chat: 0,
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chara: 1,
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global: 2
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}
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export const metadataKeys = {
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guidance_scale: "cfg_guidance_scale",
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negative_prompt: "cfg_negative_prompt",
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negative_combine: "cfg_negative_combine"
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}
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// TODO: Add groupchat support and fetch the CFG values for the current character
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// Gets the CFG value from hierarchy of chat -> character -> global
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// Returns undefined values which should be handled in the respective backend APIs
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// If the guidance scale is 1, ignore the CFG negative prompt since it won't be used anyways
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// TODO: Add the ability to combine negative prompts if specified. Proposed, chat + global and chat + chara
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// TODO: Add groupchat support and fetch the CFG values for the current character
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export function getCfg() {
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if (chat_metadata['guidance_scale'] !== 1) {
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return {
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guidanceScale: chat_metadata['guidance_scale'],
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negativePrompt: chat_metadata['negative_prompt']
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}
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}
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let splitNegativePrompt = [];
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const charaCfg = extension_settings.cfg.chara?.find((e) => e.name === getCharaFilename());
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const guidanceScale = getGuidanceScale(charaCfg);
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const chatNegativeCombine = chat_metadata[metadataKeys.negative_combine];
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const charaCfg = extension_settings.cfg.chara.find((e) => e.name === getCharaFilename());
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if (charaCfg && charaCfg?.useChara) {
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if (charaCfg.guidance_scale !== 1) {
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return {
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guidanceScale: charaCfg.guidance_scale,
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negativePrompt: charaCfg.negative_prompt
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}
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// If there's a guidance scale, continue. Otherwise assume undefined
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if (guidanceScale?.value && guidanceScale?.value !== 1) {
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if (guidanceScale.type === cfgType.chat || chatNegativeCombine.includes(cfgType.chat)) {
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splitNegativePrompt.push(chat_metadata[metadataKeys.negative_prompt]?.trim());
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}
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} else if (extension_settings.cfg.global?.guidance_scale !== 1) {
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if (guidanceScale.type === cfgType.chara || chatNegativeCombine.includes(cfgType.chara)) {
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splitNegativePrompt.push(charaCfg.negative_prompt?.trim())
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}
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if (guidanceScale.type === cfgType.global || chatNegativeCombine.includes(cfgType.global)) {
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splitNegativePrompt.push(extension_settings.cfg.global.negative_prompt?.trim());
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}
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return {
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guidanceScale: extension_settings.cfg.global.guidance_scale,
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negativePrompt: extension_settings.cfg.global.negative_prompt
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guidanceScale: guidanceScale.value,
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negativePrompt: splitNegativePrompt.filter((e) => e.length > 0).join(", ")
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}
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}
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}
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// If the guidance scale is 1, ignore the CFG negative prompt since it won't be used anyways
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function getGuidanceScale(charaCfg) {
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const chatGuidanceScale = chat_metadata[metadataKeys.guidance_scale];
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if (chatGuidanceScale && chatGuidanceScale !== 1) {
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return {
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type: cfgType.chat,
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value: chatGuidanceScale
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};
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}
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if (charaCfg && charaCfg.guidance_scale !== 1) {
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return {
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type: cfgType.chara,
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value: charaCfg.guidance_scale
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};
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}
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return {
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type: cfgType.global,
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value: extension_settings.cfg.global.guidance_scale
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};
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}
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@ -63,10 +63,6 @@
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</label>
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<textarea id="chara_cfg_negative_prompt" rows="2" class="text_pole textarea_compact" data-i18n="[placeholder]write short replies, write replies using past tense" placeholder="write short replies, write replies using past tense"></textarea>
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</div>
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<label class="checkbox_label" for="use_chara_cfg">
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<input id="use_chara_cfg" type="checkbox" />
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<span data-i18n="Use character CFG">Use character CFG</span>
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</label>
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</div>
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</div>
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<hr class="sysHR">
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@ -99,5 +95,33 @@
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</div>
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</div>
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</div>
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<hr class="sysHR">
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<div class="inline-drawer">
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<div id="defaultANBlockToggle" class="inline-drawer-toggle inline-drawer-header">
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<b>Negative Cascading</b>
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<div class="inline-drawer-icon fa-solid fa-circle-chevron-down down"></div>
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</div>
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<div class="inline-drawer-content">
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<small>
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Combine negative prompts from other boxes. For example, ticking the chat, global, and character boxes combine all negative prompts into a comma-separated string.
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</small>
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<br />
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<label for="cfg_negative_combine">
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<span data-i18n="Scale">Always Include</span>
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</label>
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<label class="checkbox_label">
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<input type="checkbox" name="cfg_negative_combine" value="0" />
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<span data-i18n="Only Format Display">Chat Negatives</span>
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</label>
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<label class="checkbox_label">
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<input type="checkbox" name="cfg_negative_combine" value="1" />
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<span data-i18n="Only Format Display">Character Negatives</span>
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</label>
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<label class="checkbox_label">
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<input type="checkbox" name="cfg_negative_combine" value="2" />
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<span data-i18n="Use character CFG">Global Negatives</span>
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</label>
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</div>
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</div>
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</div>
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</div>
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