Associate discord usernames with FoundryVTT users. This is needed for the exportSceneToSage.js gist

setDiscordUsernames.js

// FoundryVTT Macro: Set Discord Usernames for Users
// This macro allows the GM to map Foundry usernames to Discord usernames

(async () => {
    // Check if user is GM
    if (!game.user.isGM) {
        ui.notifications.warn("Only the GM can set Discord usernames");
        return;
    }

    // Get all users
    const users = game.users.contents;
    
    // Build form content with current mappings
    let formContent = `
        <form>
            <p style="margin-bottom: 15px;">Map Foundry usernames to Discord usernames (without @ symbol):</p>
            <table style="width: 100%; border-collapse: collapse;">
                <thead>
                    <tr style="border-bottom: 2px solid #999;">
                        <th style="text-align: left; padding: 8px;">Foundry User</th>
                        <th style="text-align: left; padding: 8px;">Discord Username</th>
                    </tr>
                </thead>
                <tbody>
    `;
    
    for (const user of users) {
        const currentDiscord = user.getFlag("world", "discordUsername") || "";
        const userColor = user.color || "#FFFFFF";
        
        formContent += `
            <tr style="border-bottom: 1px solid #555;">
                <td style="padding: 8px;">
                    <span style="color: ${userColor}; font-weight: bold;">●</span>
                    ${user.name}
                    ${user.isGM ? '<em>(GM)</em>' : ''}
                </td>
                <td style="padding: 8px;">
                    <input 
                        type="text" 
                        name="discord_${user.id}" 
                        value="${currentDiscord}"
                        placeholder="username"
                        style="width: 100%; padding: 4px; box-sizing: border-box;"
                    />
                </td>
            </tr>
        `;
    }
    
    formContent += `
                </tbody>
            </table>
            <p style="margin-top: 15px; font-size: 0.9em; color: #aaa;">
                <strong>Note:</strong> Enter Discord usernames without the @ symbol (e.g., "coop4711" not "@coop4711")
            </p>
        </form>
    `;
    
    // Create dialog
    new Dialog({
        title: "Set Discord Usernames",
        content: formContent,
        buttons: {
            save: {
                icon: '<i class="fas fa-save"></i>',
                label: "Save Mappings",
                callback: async (html) => {
                    let saveCount = 0;
                    
                    for (const user of users) {
                        const input = html.find(`input[name="discord_${user.id}"]`);
                        const discordUsername = input.val().trim();
                        
                        if (discordUsername) {
                            await user.setFlag("world", "discordUsername", discordUsername);
                            saveCount++;
                        } else {
                            // Clear flag if empty
                            await user.unsetFlag("world", "discordUsername");
                        }
                    }
                    
                    ui.notifications.info(`Discord usernames saved for ${saveCount} user(s)`);
                }
            },
            cancel: {
                icon: '<i class="fas fa-times"></i>',
                label: "Cancel"
            }
        },
        default: "save",
        render: (html) => {
            // Focus first input
            html.find("input").first().focus();
        }
    }, {
        width: 500,
        height: "auto"
    }).render(true);
})();