feat(docs): complete PlayHours mod implementation with comprehensive documentation

- Add complete PlayHours mod source code with all features:
  * Schedule enforcement with per-day schedules and midnight-spanning support
  * Login control with configurable thresholds and exemptions
  * Warnings and auto-kick system with countdown functionality
  * Force modes (NORMAL/FORCE_OPEN/FORCE_CLOSED) for maintenance
  * Whitelist/blacklist system for player access control
  * Date exceptions for holidays and special events
  * Multi-language support (English/French) with smart time formatting
  * LuckPerms integration with vanilla ops fallback
  * Dynamic MOTD system with real-time schedule display
  * Comprehensive command system with permission integration
  * TOML configuration with hot-reload support

- Add comprehensive documentation suite:
  * Installation guide with step-by-step setup instructions
  * Complete configuration reference with all options
  * Commands reference with usage examples
  * Features overview with detailed explanations
  * MOTD system configuration and customization guide
  * Permissions system documentation with LuckPerms integration
  * Technical details covering architecture and limitations
  * Usage examples with real-world scenarios
  * Changelog with version history

- Add resource files:
  * Language files (en_us.json, fr_fr.json) with localized messages
  * Mod metadata (mods.toml) with proper Forge configuration
  * Resource pack metadata (pack.mcmeta)

- Update build configuration:
  * Gradle build system with proper dependencies
  * Project properties and version management
  * Development environment setup

- Restructure documentation:
  * Replace old README.txt with new comprehensive README.md
  * Create modular documentation structure in docs/ directory
  * Add cross-references and navigation between documents
  * Include quick start guide and common use cases

This commit represents the complete v1.0.0 release of PlayHours, a production-ready server operation hours enforcement mod for Minecraft Forge 1.20.1.
This commit is contained in:
Mr¤KayJayDee
2025-10-23 23:28:20 +02:00
parent 58919ced40
commit c0fd2a2787
63 changed files with 6974 additions and 265 deletions

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# Changelog
This document tracks all changes and updates to the PlayHours mod.
## [1.0.0] - 2025-01-23
### 🎉 Initial Release
This is the first public release of PlayHours, a comprehensive server operation hours enforcement mod for Minecraft Forge.
### ✨ Features Added
#### Core Functionality
- **Schedule Enforcement** - Per-day schedules with midnight-spanning support
- **Login Control** - Deny logins outside open hours with clear messages
- **Warnings & Auto-Kick** - Configurable warnings and automatic player removal
- **Force Modes** - Override schedule (NORMAL/FORCE_OPEN/FORCE_CLOSED)
- **Whitelist/Blacklist** - Player access control independent of schedule
- **Date Exceptions** - Special open/closed dates for holidays and events
#### Multi-Language Support
- **English (en_us)** - 12-hour AM/PM format with full localization
- **French (fr_fr)** - 24-hour format with full localization
- **Smart Time Formatting** - Automatically adapts to locale
- **Humanized Messages** - User-friendly status messages instead of raw booleans
#### Permission System
- **LuckPerms Integration** - Soft dependency with automatic detection
- **Vanilla Ops Fallback** - Works with or without LuckPerms
- **Permission Nodes** - `playhours.admin`, `playhours.view`, `playhours.exempt`
- **Timeout Protection** - Prevents blocking on permission checks
#### MOTD System
- **Dynamic Server List** - Real-time schedule information in server list
- **Status Display** - Open/Closed status with color coding
- **Next Open/Close Times** - Shows when server will open/close next
- **Countdown Timer** - Minutes until close when closing soon
- **Force Mode Indicators** - FORCE_OPEN/FORCE_CLOSED status display
- **Custom Formatting** - Flexible format strings with placeholders
- **Performance Optimized** - Updates every 60 seconds (configurable)
#### Command System
- **Comprehensive Commands** - Full `/hours` command tree
- **Permission Integration** - Automatic permission checking
- **Hot Reload** - `/hours reload` for configuration changes
- **Status Commands** - `/hours status` for current information
- **Force Mode Commands** - `/hours force normal|open|close`
- **Configuration Commands** - `/hours set` for various settings
- **Schedule Commands** - `/hours set day` for per-day configuration
- **Exception Commands** - `/hours exceptions` for date exceptions
- **List Commands** - `/hours lists` for whitelist/blacklist management
- **MOTD Commands** - `/hours motd` for MOTD control
#### Configuration System
- **TOML Configuration** - Human-readable configuration format
- **Hot Reload** - Apply changes without server restart
- **Validation** - Comprehensive configuration validation
- **Default Values** - Sensible defaults for all settings
- **Documentation** - Extensive inline documentation
### 🔧 Technical Features
#### Architecture
- **Modular Design** - Clean separation of concerns
- **Event-Driven** - Efficient event handling system
- **Performance Optimized** - Minimal server resource usage
- **Error Handling** - Graceful degradation on errors
- **Logging** - Comprehensive logging for debugging
#### Time Handling
- **Timezone Support** - Full IANA timezone support
- **Midnight Spanning** - Proper handling of time ranges across midnight
- **DST Support** - Automatic daylight saving time handling
- **Precise Calculations** - Accurate time-based schedule calculations
#### Schedule Logic
- **Priority System** - Force mode → Blacklist → Whitelist → Exceptions → Schedule
- **Caching** - Efficient schedule data caching
- **Validation** - Time range validation and error handling
- **Flexibility** - Support for complex schedule patterns
### 📚 Documentation
#### Comprehensive Documentation
- **Installation Guide** - Step-by-step setup instructions
- **Configuration Guide** - Complete configuration reference
- **Commands Reference** - All available commands and usage
- **Features Overview** - Detailed feature explanations
- **MOTD System** - MOTD configuration and customization
- **Permissions System** - Permission details and LuckPerms integration
- **Technical Details** - Architecture and implementation details
- **Usage Examples** - Real-world scenarios and configurations
- **Changelog** - Version history and updates
#### Code Documentation
- **JavaDoc** - Comprehensive code documentation
- **Inline Comments** - Detailed implementation comments
- **Architecture Notes** - Design decisions and rationale
- **Performance Notes** - Optimization strategies and considerations
### 🛠️ Development
#### Build System
- **Gradle Build** - Modern build system with wrapper
- **Forge Integration** - Full Forge mod development support
- **Dependency Management** - Proper dependency handling
- **Version Management** - Semantic versioning
#### Code Quality
- **Clean Code** - Well-structured and readable code
- **Error Handling** - Comprehensive error handling
- **Logging** - Appropriate logging levels
- **Testing** - Manual testing and validation
### 🚨 Known Limitations
#### Technical Limitations
- **Early Login Denial** - Forge 1.20.1 lacks pre-join network event
- **Deprecation Warning** - `FMLJavaModLoadingContext.get()` deprecated
- **MOTD Caching** - Some server list clients may cache MOTD content
#### Workarounds
- **Login Guard** - Uses `PlayerLoggedInEvent` with immediate disconnection
- **Compatibility** - Required for 1.20.1 compatibility
- **Update Frequency** - MOTD updates every 60 seconds by default
### 📋 Requirements
#### System Requirements
- **Java:** 17 or 23 (recommended: 17 LTS)
- **Minecraft:** 1.20.1
- **Forge:** 47.4.10 or higher
- **Server:** Dedicated server (not single-player)
#### Mod Requirements
- **Server-side only** - No client mod required
- **Forge mod loader** - Not compatible with Fabric or other loaders
- **Dedicated server** - Single-player mode not supported
### 🔄 Installation
#### Quick Start
1. Download `playhours-1.0.0.jar` from `build/libs/`
2. Place in server's `mods/` folder
3. Start server to generate default config
4. Edit `config/playhours.toml` to your needs
5. Use `/hours reload` or restart server
#### Configuration
- **Auto-generated** - Configuration file created on first startup
- **Sensible defaults** - Works out of the box with minimal configuration
- **Hot reload** - Apply changes without server restart
- **Validation** - Configuration validation with helpful error messages
### 🔮 Future Plans
#### Potential Enhancements
- **Additional Languages** - Support for more locales
- **Advanced Scheduling** - More complex schedule patterns
- **Integration APIs** - External system integration
- **Performance Improvements** - Further optimization
- **Feature Extensions** - Additional functionality
#### Version Roadmap
- **1.1.0** - Additional language support
- **1.2.0** - Advanced scheduling features
- **2.0.0** - Major feature additions
### Release Notes
#### v1.0.0 Release Notes
- **Initial release** - First public release
- **Full feature set** - All planned features implemented
- **Comprehensive documentation** - Complete documentation suite
- **Production ready** - Tested and validated for production use
#### Breaking Changes
- **None** - This is the initial release
#### Deprecations
- **None** - This is the initial release
#### Security
- **Permission system** - Secure permission checking
- **Input validation** - Comprehensive input validation
- **Error handling** - Secure error handling
#### Performance
- **Optimized** - Performance optimized for production use
- **Caching** - Efficient caching strategies
- **Resource management** - Minimal resource usage
---
*For the latest updates and changes, check the repository or contact the author.*

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# Commands Reference
This guide covers all available commands in PlayHours, their usage, permissions, and examples.
## 📋 Command Overview
All PlayHours commands use the `/hours` root command. Permission checks are applied automatically.
### Permission Requirements
| Permission | Level | Description |
|------------|-------|-------------|
| `playhours.view` | Ops ≥1 | Read-only access to status |
| `playhours.admin` | Ops ≥2 | Full administrative access |
| `playhours.exempt` | Ops ≥2 | Bypass all schedule restrictions |
## 🔍 Status Commands
### `/hours status`
Shows current server status and schedule information.
**Permission:** `playhours.view` (ops ≥1)
**Output Example:**
```
Mode: NORMAL. Server open. Next close: 10:00 PM. Next open: Monday at 9:00 AM.
Today's periods: 09:00 AM-06:00 PM, 11:00 PM-01:00 AM
```
**Information Displayed:**
- Current force mode
- Server open/closed status
- Next closing time (if open)
- Next opening time (if closed)
- Today's schedule periods
## 🔧 Force Mode Commands
### `/hours force normal`
### `/hours force open`
### `/hours force close`
Override the normal schedule enforcement.
**Permission:** `playhours.admin` (ops ≥2)
**Modes:**
- `normal` - Follow configured schedule
- `open` - Always allow access (24/7)
- `close` - Always deny access (maintenance mode)
**Examples:**
```
/hours force open # Enable 24/7 access
/hours force close # Maintenance mode
/hours force normal # Return to normal schedule
```
**Notes:**
- Force modes override schedule but not blacklist
- Exempt players can still join in FORCE_CLOSED mode
- Changes take effect immediately
## 🔄 Configuration Commands
### `/hours reload`
Reloads configuration from `config/playhours.toml` without restarting the server.
**Permission:** `playhours.admin` (ops ≥2)
**Usage:**
```
/hours reload
```
**What it does:**
- Reloads all configuration settings
- Rebuilds schedule cache
- Reloads message translations
- Applies changes immediately
**When to use:**
- After editing `config/playhours.toml`
- After changing timezone settings
- After modifying schedule configuration
## ⚙️ Settings Commands
### `/hours set timezone <timezone>`
Change the server timezone.
**Permission:** `playhours.admin` (ops ≥2)
**Usage:**
```
/hours set timezone America/New_York
/hours set timezone Europe/London
/hours set timezone Asia/Tokyo
```
**Valid Timezones:**
- `America/New_York` (Eastern Time)
- `America/Chicago` (Central Time)
- `America/Denver` (Mountain Time)
- `America/Los_Angeles` (Pacific Time)
- `Europe/London` (GMT/BST)
- `Europe/Paris` (CET/CEST)
- `Asia/Tokyo` (JST)
- `Australia/Sydney` (AEST/AEDT)
### `/hours set threshold <minutes>`
Set the closing threshold in minutes.
**Permission:** `playhours.admin` (ops ≥2)
**Usage:**
```
/hours set threshold 20
```
**Effect:**
- Denies new logins X minutes before close
- Existing players can stay connected
- Exempt players can bypass if configured
### `/hours set warnings <minutes...>`
Configure warning broadcast times.
**Permission:** `playhours.admin` (ops ≥2)
**Usage:**
```
/hours set warnings 30 15 10 5 1
```
**Examples:**
- `15 10 5 1` - Warn at 15, 10, 5, and 1 minutes before close
- `30 15 5` - Warn at 30, 15, and 5 minutes before close
- `60 30 15 10 5 1` - Extended warning sequence
### `/hours set countdown <seconds>`
Set countdown duration before closing.
**Permission:** `playhours.admin` (ops ≥2)
**Usage:**
```
/hours set countdown 10
```
**Range:** 0-60 seconds (0 = disabled)
**Effect:**
- Sends "Closing in Xs" messages every second
- Only active during the last X seconds before close
- Provides final warning to players
### `/hours set exempt_bypass_schedule <true|false>`
### `/hours set exempt_bypass_threshold <true|false>`
Control exempt player behavior.
**Permission:** `playhours.admin` (ops ≥2)
**Usage:**
```
/hours set exempt_bypass_schedule true
/hours set exempt_bypass_threshold false
```
**Settings:**
- `exempt_bypass_schedule` - Allow exempt players to join when closed
- `exempt_bypass_threshold` - Allow exempt players during threshold
## 📅 Schedule Commands
### `/hours set default periods add "<time_range>"`
### `/hours set default periods clear`
Manage default schedule periods.
**Permission:** `playhours.admin` (ops ≥2)
**Usage:**
```
/hours set default periods add "09:00 AM-06:00 PM"
/hours set default periods add "11:00 PM-01:00 AM"
/hours set default periods clear
```
**Time Format:** 12-hour AM/PM format with quotes
**Examples:**
```
/hours set default periods add "09:00 AM-06:00 PM"
/hours set default periods add "10:00 PM-02:00 AM" # Midnight span
/hours set default periods clear # Remove all periods
```
### `/hours set day <day> periods add "<time_range>"`
### `/hours set day <day> periods clear`
Manage per-day schedule periods.
**Permission:** `playhours.admin` (ops ≥2)
**Usage:**
```
/hours set day mon periods add "09:00 AM-06:00 PM"
/hours set day fri periods add "11:00 PM-01:00 AM"
/hours set day tue periods clear
```
**Day Names:** `mon`, `tue`, `wed`, `thu`, `fri`, `sat`, `sun`
**Examples:**
```
/hours set day mon periods add "09:00 AM-06:00 PM"
/hours set day fri periods add "11:00 PM-01:00 AM"
/hours set day sat periods add "02:00 PM-11:59 PM"
/hours set day sun periods clear
```
## 📅 Exception Commands
### `/hours exceptions add-open "<date_time_range>"`
### `/hours exceptions add-closed "<date>"`
### `/hours exceptions clear`
Manage date exceptions.
**Permission:** `playhours.admin` (ops ≥2)
**Usage:**
```
/hours exceptions add-open "2025-12-31 08:00 PM-11:59 PM"
/hours exceptions add-closed "2025-12-25"
/hours exceptions clear
```
**Date Formats:**
- **Open dates:** `YYYY-MM-DD hh:mm AM-hh:mm PM`
- **Closed dates:** `YYYY-MM-DD`
**Examples:**
```
/hours exceptions add-open "2025-12-31 08:00 PM-11:59 PM" # New Year's Eve
/hours exceptions add-closed "2025-12-25" # Christmas Day
/hours exceptions add-open "2025-07-04 12:00 PM-11:59 PM" # Independence Day
/hours exceptions clear # Remove all exceptions
```
## 👥 List Commands
### `/hours lists whitelist toggle <player>`
### `/hours lists blacklist toggle <player>`
Toggle players in/out of lists.
**Permission:** `playhours.admin` (ops ≥2)
**Usage:**
```
/hours lists whitelist toggle PlayerName
/hours lists blacklist toggle PlayerName
```
**Behavior:**
- Automatically enables the list if not already enabled
- Case-insensitive player name matching
- Toggle: Add if not present, remove if present
**Examples:**
```
/hours lists whitelist toggle Steve
/hours lists blacklist toggle Griefer123
```
### `/hours lists whitelist enable`
### `/hours lists whitelist disable`
### `/hours lists blacklist enable`
### `/hours lists blacklist disable`
Enable or disable lists.
**Permission:** `playhours.admin` (ops ≥2)
**Usage:**
```
/hours lists whitelist enable
/hours lists blacklist disable
```
## 📢 MOTD Commands
### `/hours motd toggle`
Enable or disable MOTD schedule display.
**Permission:** `playhours.admin` (ops ≥2)
**Usage:**
```
/hours motd toggle
```
**Effect:**
- Toggles MOTD feature on/off
- Changes take effect immediately
- Server list will show/hide schedule information
### `/hours motd status`
View current MOTD settings.
**Permission:** `playhours.admin` (ops ≥2)
**Usage:**
```
/hours motd status
```
**Output:**
- MOTD enabled/disabled status
- Current MOTD configuration
- Update frequency settings
## 💬 Message Commands
### `/hours messages reload`
Reload message translations.
**Permission:** `playhours.admin` (ops ≥2)
**Usage:**
```
/hours messages reload
```
**Effect:**
- Reloads message translations from language files
- Applies any config overrides
- Updates all player-facing messages
## 🔧 Advanced Commands
### Command Chaining
Some commands support chaining for efficiency:
```
/hours set day mon periods add "09:00 AM-06:00 PM"
/hours set day tue periods add "09:00 AM-06:00 PM"
/hours set day wed periods add "09:00 AM-06:00 PM"
```
### Batch Operations
Use multiple commands for complex setups:
```
/hours set default periods clear
/hours set day mon periods add "09:00 AM-06:00 PM"
/hours set day fri periods add "11:00 PM-01:00 AM"
/hours exceptions add-closed "2025-12-25"
```
## 🚨 Error Handling
### Common Errors
**Permission Denied:**
```
You do not have permission to use this command
```
**Solution:** Check your permission level or LuckPerms configuration
**Invalid Time Format:**
```
Invalid time range. Use: hh:mm AM-hh:mm PM
```
**Solution:** Use proper 12-hour AM/PM format with quotes
**Config Not Ready:**
```
PlayHours config not ready yet. Try again in a moment.
```
**Solution:** Wait for server startup to complete
### Troubleshooting
1. **Check permissions:** Ensure you have the required permission level
2. **Verify format:** Use correct time format and quotes
3. **Wait for startup:** Allow server to fully initialize
4. **Check logs:** Look for error messages in server logs
## 📚 Command Examples
### Basic Server Setup
```bash
# Set timezone
/hours set timezone America/New_York
# Configure default hours
/hours set default periods add "09:00 AM-06:00 PM"
# Set weekend hours
/hours set day sat periods add "02:00 PM-11:59 PM"
/hours set day sun periods add "02:00 PM-10:00 PM"
# Configure warnings
/hours set warnings 15 10 5 1
/hours set countdown 5
```
### Holiday Configuration
```bash
# Add holiday closures
/hours exceptions add-closed "2025-12-25"
/hours exceptions add-closed "2026-01-01"
# Add special event hours
/hours exceptions add-open "2025-12-31 08:00 PM-11:59 PM"
```
### Maintenance Mode
```bash
# Enter maintenance mode
/hours force close
# Exit maintenance mode
/hours force normal
```
### Player Management
```bash
# Add players to whitelist
/hours lists whitelist toggle PlayerName
# Add players to blacklist
/hours lists blacklist toggle Griefer123
# Enable whitelist
/hours lists whitelist enable
```
## 📚 Related Documentation
- **[Configuration Guide](CONFIGURATION.md)** - File-based configuration
- **[Features Overview](FEATURES.md)** - How features work
- **[Permissions System](PERMISSIONS.md)** - Permission details
- **[Usage Examples](EXAMPLES.md)** - Real-world scenarios
---
*For configuration file options, see the [Configuration Guide](CONFIGURATION.md).*

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# Usage Examples
This guide provides real-world examples and scenarios for configuring PlayHours in different server environments.
## 🏢 Business Server
### Standard Business Hours
**Scenario:** A business server that operates Monday-Friday, 9 AM to 6 PM.
**Configuration:**
```toml
[general]
timezone = "America/New_York"
force_mode = "NORMAL"
closing_threshold_minutes = 15
deny_login_during_threshold = true
kick_exempt = false
warning_minutes = [15, 10, 5, 1]
countdown_seconds = 5
exempt_bypass_schedule = true
exempt_bypass_threshold = true
message_locale = "en_us"
motd_enabled = true
[defaults]
periods = ["09:00 AM-06:00 PM"]
[days]
monday = ["09:00 AM-06:00 PM"]
tuesday = ["09:00 AM-06:00 PM"]
wednesday = ["09:00 AM-06:00 PM"]
thursday = ["09:00 AM-06:00 PM"]
friday = ["09:00 AM-06:00 PM"]
saturday = []
sunday = []
```
**Commands:**
```bash
# Set timezone
/hours set timezone America/New_York
# Configure default hours
/hours set default periods add "09:00 AM-06:00 PM"
# Set weekend to closed
/hours set day sat periods clear
/hours set day sun periods clear
# Configure warnings
/hours set warnings 15 10 5 1
/hours set countdown 5
```
## 🎮 Gaming Server
### Extended Gaming Hours
**Scenario:** A gaming server with extended hours, including late-night sessions.
**Configuration:**
```toml
[general]
timezone = "Europe/London"
force_mode = "NORMAL"
closing_threshold_minutes = 30
deny_login_during_threshold = true
kick_exempt = false
warning_minutes = [30, 15, 10, 5, 1]
countdown_seconds = 10
exempt_bypass_schedule = true
exempt_bypass_threshold = true
message_locale = "en_us"
motd_enabled = true
[defaults]
periods = ["06:00 PM-11:59 PM"]
[days]
monday = ["06:00 PM-11:59 PM"]
tuesday = ["06:00 PM-11:59 PM"]
wednesday = ["06:00 PM-11:59 PM"]
thursday = ["06:00 PM-11:59 PM"]
friday = ["06:00 PM-02:00 AM"] # Extended Friday night
saturday = ["02:00 PM-02:00 AM"] # All day Saturday
sunday = ["02:00 PM-11:59 PM"]
```
**Commands:**
```bash
# Set timezone
/hours set timezone Europe/London
# Configure default hours
/hours set default periods add "06:00 PM-11:59 PM"
# Set extended Friday night
/hours set day fri periods add "06:00 PM-02:00 AM"
# Set all-day Saturday
/hours set day sat periods add "02:00 PM-02:00 AM"
# Configure extended warnings
/hours set warnings 30 15 10 5 1
/hours set countdown 10
```
## 🎓 Educational Server
### School Hours with Breaks
**Scenario:** An educational server that operates during school hours with breaks.
**Configuration:**
```toml
[general]
timezone = "America/Chicago"
force_mode = "NORMAL"
closing_threshold_minutes = 10
deny_login_during_threshold = true
kick_exempt = false
warning_minutes = [10, 5, 1]
countdown_seconds = 3
exempt_bypass_schedule = true
exempt_bypass_threshold = true
message_locale = "en_us"
motd_enabled = true
[defaults]
periods = ["08:00 AM-03:00 PM"]
[days]
monday = ["08:00 AM-03:00 PM"]
tuesday = ["08:00 AM-03:00 PM"]
wednesday = ["08:00 AM-03:00 PM"]
thursday = ["08:00 AM-03:00 PM"]
friday = ["08:00 AM-03:00 PM"]
saturday = []
sunday = []
[exceptions]
closed_dates = [
"2025-12-23", # Winter break
"2025-12-24",
"2025-12-25",
"2025-12-26",
"2025-12-27",
"2025-12-28",
"2025-12-29",
"2025-12-30",
"2025-12-31",
"2026-01-01",
"2026-01-02",
"2026-01-03"
]
```
**Commands:**
```bash
# Set timezone
/hours set timezone America/Chicago
# Configure school hours
/hours set default periods add "08:00 AM-03:00 PM"
# Add winter break closures
/hours exceptions add-closed "2025-12-23"
/hours exceptions add-closed "2025-12-24"
/hours exceptions add-closed "2025-12-25"
# ... (continue for all break days)
# Configure warnings
/hours set warnings 10 5 1
/hours set countdown 3
```
## 🏥 Healthcare Server
### 24/7 with Maintenance Windows
**Scenario:** A healthcare server that operates 24/7 with scheduled maintenance windows.
**Configuration:**
```toml
[general]
timezone = "America/Los_Angeles"
force_mode = "NORMAL"
closing_threshold_minutes = 0
deny_login_during_threshold = false
kick_exempt = false
warning_minutes = [60, 30, 15, 10, 5, 1]
countdown_seconds = 10
exempt_bypass_schedule = true
exempt_bypass_threshold = true
message_locale = "en_us"
motd_enabled = true
[defaults]
periods = ["12:00 AM-11:59 PM"] # 24/7
[days]
monday = ["12:00 AM-11:59 PM"]
tuesday = ["12:00 AM-11:59 PM"]
wednesday = ["12:00 AM-11:59 PM"]
thursday = ["12:00 AM-11:59 PM"]
friday = ["12:00 AM-11:59 PM"]
saturday = ["12:00 AM-11:59 PM"]
sunday = ["12:00 AM-11:59 PM"]
[exceptions]
closed_dates = [
"2025-01-01", # New Year's Day
"2025-07-04", # Independence Day
"2025-12-25" # Christmas Day
]
# Maintenance windows (closed for maintenance)
open_dates = [
"2025-01-15 02:00 AM-04:00 AM", # Monthly maintenance
"2025-02-15 02:00 AM-04:00 AM",
"2025-03-15 02:00 AM-04:00 AM"
]
```
**Commands:**
```bash
# Set timezone
/hours set timezone America/Los_Angeles
# Configure 24/7 operation
/hours set default periods add "12:00 AM-11:59 PM"
# Add holiday closures
/hours exceptions add-closed "2025-01-01"
/hours exceptions add-closed "2025-07-04"
/hours exceptions add-closed "2025-12-25"
# Add maintenance windows
/hours exceptions add-open "2025-01-15 02:00 AM-04:00 AM"
# Configure extended warnings
/hours set warnings 60 30 15 10 5 1
/hours set countdown 10
```
## 🎉 Event Server
### Special Event Hours
**Scenario:** A server that hosts special events with extended hours.
**Configuration:**
```toml
[general]
timezone = "Europe/Paris"
force_mode = "NORMAL"
closing_threshold_minutes = 20
deny_login_during_threshold = true
kick_exempt = false
warning_minutes = [20, 15, 10, 5, 1]
countdown_seconds = 5
exempt_bypass_schedule = true
exempt_bypass_threshold = true
message_locale = "fr_fr"
motd_enabled = true
[defaults]
periods = ["07:00 PM-11:00 PM"]
[days]
monday = ["07:00 PM-11:00 PM"]
tuesday = ["07:00 PM-11:00 PM"]
wednesday = ["07:00 PM-11:00 PM"]
thursday = ["07:00 PM-11:00 PM"]
friday = ["07:00 PM-11:00 PM"]
saturday = ["07:00 PM-11:00 PM"]
sunday = ["07:00 PM-11:00 PM"]
[exceptions]
open_dates = [
"2025-12-31 08:00 PM-11:59 PM", # New Year's Eve
"2025-07-14 08:00 PM-11:59 PM", # Bastille Day
"2025-12-25 08:00 PM-11:59 PM" # Christmas Eve
]
```
**Commands:**
```bash
# Set timezone
/hours set timezone Europe/Paris
# Configure regular hours
/hours set default periods add "07:00 PM-11:00 PM"
# Add special event hours
/hours exceptions add-open "2025-12-31 08:00 PM-11:59 PM"
/hours exceptions add-open "2025-07-14 08:00 PM-11:59 PM"
/hours exceptions add-open "2025-12-25 08:00 PM-11:59 PM"
# Configure warnings
/hours set warnings 20 15 10 5 1
/hours set countdown 5
```
## 🛡️ Whitelist Server
### Invitation-Only Server
**Scenario:** A private server with whitelist-only access.
**Configuration:**
```toml
[general]
timezone = "America/New_York"
force_mode = "NORMAL"
closing_threshold_minutes = 0
deny_login_during_threshold = true
kick_exempt = false
warning_minutes = [15, 10, 5, 1]
countdown_seconds = 5
exempt_bypass_schedule = true
exempt_bypass_threshold = true
message_locale = "en_us"
motd_enabled = true
[defaults]
periods = ["06:00 PM-10:00 PM"]
[days]
monday = ["06:00 PM-10:00 PM"]
tuesday = ["06:00 PM-10:00 PM"]
wednesday = ["06:00 PM-10:00 PM"]
thursday = ["06:00 PM-10:00 PM"]
friday = ["06:00 PM-10:00 PM"]
saturday = ["02:00 PM-10:00 PM"]
sunday = ["02:00 PM-10:00 PM"]
[lists]
whitelist_enabled = true
whitelist = ["Player1", "Player2", "Player3"]
blacklist_enabled = false
blacklist = []
```
**Commands:**
```bash
# Set timezone
/hours set timezone America/New_York
# Configure regular hours
/hours set default periods add "06:00 PM-10:00 PM"
# Set weekend hours
/hours set day sat periods add "02:00 PM-10:00 PM"
/hours set day sun periods add "02:00 PM-10:00 PM"
# Add players to whitelist
/hours lists whitelist toggle Player1
/hours lists whitelist toggle Player2
/hours lists whitelist toggle Player3
# Enable whitelist
/hours lists whitelist enable
```
## 🚫 Blacklist Server
### Problem Player Management
**Scenario:** A server that needs to block specific players.
**Configuration:**
```toml
[general]
timezone = "America/Chicago"
force_mode = "NORMAL"
closing_threshold_minutes = 0
deny_login_during_threshold = true
kick_exempt = false
warning_minutes = [15, 10, 5, 1]
countdown_seconds = 5
exempt_bypass_schedule = true
exempt_bypass_threshold = true
message_locale = "en_us"
motd_enabled = true
[defaults]
periods = ["12:00 PM-11:59 PM"]
[days]
monday = ["12:00 PM-11:59 PM"]
tuesday = ["12:00 PM-11:59 PM"]
wednesday = ["12:00 PM-11:59 PM"]
thursday = ["12:00 PM-11:59 PM"]
friday = ["12:00 PM-11:59 PM"]
saturday = ["12:00 PM-11:59 PM"]
sunday = ["12:00 PM-11:59 PM"]
[lists]
whitelist_enabled = false
whitelist = []
blacklist_enabled = true
blacklist = ["Griefer123", "Spammer456", "Troll789"]
```
**Commands:**
```bash
# Set timezone
/hours set timezone America/Chicago
# Configure hours
/hours set default periods add "12:00 PM-11:59 PM"
# Add players to blacklist
/hours lists blacklist toggle Griefer123
/hours lists blacklist toggle Spammer456
/hours lists blacklist toggle Troll789
# Enable blacklist
/hours lists blacklist enable
```
## 🔧 Maintenance Mode
### Server Maintenance
**Scenario:** A server that needs to enter maintenance mode.
**Commands:**
```bash
# Enter maintenance mode
/hours force close
# Check status
/hours status
# Exit maintenance mode
/hours force normal
```
**Configuration:**
```toml
[general]
force_mode = "FORCE_CLOSED" # Maintenance mode
```
## 🌍 Multi-Language Server
### International Server
**Scenario:** A server with international players using different languages.
**Configuration:**
```toml
[general]
timezone = "UTC"
force_mode = "NORMAL"
closing_threshold_minutes = 15
deny_login_during_threshold = true
kick_exempt = false
warning_minutes = [15, 10, 5, 1]
countdown_seconds = 5
exempt_bypass_schedule = true
exempt_bypass_threshold = true
message_locale = "en_us" # or "fr_fr"
motd_enabled = true
[defaults]
periods = ["12:00 PM-11:59 PM"]
[days]
monday = ["12:00 PM-11:59 PM"]
tuesday = ["12:00 PM-11:59 PM"]
wednesday = ["12:00 PM-11:59 PM"]
thursday = ["12:00 PM-11:59 PM"]
friday = ["12:00 PM-11:59 PM"]
saturday = ["12:00 PM-11:59 PM"]
sunday = ["12:00 PM-11:59 PM"]
```
**Commands:**
```bash
# Set UTC timezone
/hours set timezone UTC
# Configure 24/7 operation
/hours set default periods add "12:00 PM-11:59 PM"
# Set language
/hours set message_locale en_us # or fr_fr
```
## 📢 MOTD Examples
### Basic MOTD
**Configuration:**
```toml
[motd]
show_status = true
show_next_open = true
show_next_close = true
use_colors = true
open_color = "green"
closed_color = "red"
```
**Display:**
```
🟢 Open | Closes at 10:00 PM
```
### Custom MOTD
**Configuration:**
```toml
[motd]
custom_format = "Status: %status% - Next: %openday% at %opentime%"
use_colors = true
open_color = "green"
closed_color = "red"
```
**Display:**
```
Status: Closed - Next: Monday at 9:00 AM
```
### Branded MOTD
**Configuration:**
```toml
[motd]
custom_lines = [
"🎮 My Game Server",
"Status: %status%",
"Next open: %openday% at %opentime%"
]
use_colors = true
open_color = "green"
closed_color = "red"
```
**Display:**
```
🎮 My Game Server
Status: Open
Next open: Monday at 9:00 AM
```
## 🔄 Configuration Updates
### Hot Reload Examples
**After editing config file:**
```bash
/hours reload
```
**After changing timezone:**
```bash
/hours set timezone Europe/London
/hours reload
```
**After modifying schedule:**
```bash
/hours set day mon periods add "09:00 AM-06:00 PM"
/hours reload
```
## 🚨 Emergency Scenarios
### Server Emergency
**Immediate closure:**
```bash
/hours force close
```
**Emergency maintenance:**
```bash
/hours force close
# Perform maintenance
/hours force normal
```
### Player Issues
**Block problematic player:**
```bash
/hours lists blacklist toggle ProblemPlayer
```
**Temporary maintenance:**
```bash
/hours force close
# Fix issues
/hours force normal
```
## 📚 Related Documentation
- **[Configuration Guide](CONFIGURATION.md)** - Detailed configuration options
- **[Commands Reference](COMMANDS.md)** - All available commands
- **[Features Overview](FEATURES.md)** - How features work
- **[MOTD System](MOTD.md)** - MOTD configuration
---
*For more configuration options, see the [Configuration Guide](CONFIGURATION.md).*

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# Features Overview
This guide provides detailed explanations of all PlayHours features, how they work, and their interactions.
## 🕒 Schedule Enforcement
### Core Functionality
PlayHours enforces server operating hours based on configurable schedules with support for:
- **Per-day schedules** - Different hours for each day of the week
- **Multiple periods per day** - Support for split schedules (e.g., morning and evening)
- **Midnight-spanning periods** - Ranges that cross midnight (e.g., 10:00 PM-02:00 AM)
- **Default schedule** - Fallback schedule for days without specific configuration
- **Timezone awareness** - All times are calculated in the configured timezone
### Schedule Logic
The schedule enforcement follows this priority order:
1. **Force Mode** - Override all schedule logic
2. **Blacklist** - Always deny listed players
3. **Whitelist** - Always allow listed players (if enabled)
4. **Date Exceptions** - Special open/closed dates
5. **Daily Schedule** - Per-day time periods
### Time Format
- **Input Format:** 12-hour AM/PM format (`"09:00 AM-06:00 PM"`)
- **Display Format:** Automatically adapts to locale (English: 12-hour, French: 24-hour)
- **Midnight Spanning:** Detected when end time is before start time
- **Validation:** All time ranges are validated for correctness
### Examples
```toml
# Standard business hours
[defaults]
periods = ["09:00 AM-06:00 PM"]
# Weekend with midnight span
[days]
friday = ["06:00 PM-02:00 AM"] # Friday 6 PM to Saturday 2 AM
saturday = ["02:00 PM-02:00 AM"] # Saturday 2 PM to Sunday 2 AM
```
## 🚫 Login Control
### Access Denial
PlayHours prevents players from joining the server when:
- **Server is closed** according to schedule
- **Within closing threshold** (configurable minutes before close)
- **Player is blacklisted** (regardless of schedule)
- **Whitelist is enabled** and player is not whitelisted
### Login Process
1. **Player attempts to join**
2. **Permission check** - Exempt players may bypass restrictions
3. **Schedule check** - Is server currently open?
4. **Threshold check** - Is within closing threshold?
5. **List check** - Is player whitelisted/blacklisted?
6. **Decision** - Allow or deny with appropriate message
### Exempt Players
Players with exempt permission can:
- **Bypass schedule** - Join even when server is closed
- **Bypass threshold** - Join during closing threshold
- **Override blacklist** - Join even if blacklisted
- **Stay connected** - Not kicked at closing time (configurable)
### Messages
Players receive clear messages when denied access:
- **Server closed:** "Server closed. Next open: Monday at 9:00 AM."
- **Closing threshold:** "Server closing soon. Next open: Monday at 9:00 AM."
- **Blacklisted:** "Access denied." (no schedule information)
## ⚠️ Warnings & Auto-Kick
### Warning System
PlayHours broadcasts warnings before server closure:
- **Configurable timing** - Default: 15, 10, 5, 1 minutes before close
- **Broadcast to all players** - Server-wide announcements
- **Include next open time** - Inform players when server reopens
- **Localized messages** - Support for multiple languages
### Countdown System
Second-by-second countdown before closing:
- **Configurable duration** - 0-60 seconds (0 = disabled)
- **Final warning** - "Closing in 5s" messages
- **Precise timing** - Exact second when server closes
### Auto-Kick System
Automatic player removal at closing time:
- **Kick non-exempt players** - Remove players without exempt permission
- **Optional exempt kick** - Configurable whether to kick exempt players
- **Clear messages** - Inform players why they were kicked
- **Next open time** - Tell players when they can return
### Warning Examples
```
[Server] Server closing in 15 minutes at 10:00 PM.
[Server] Server closing in 10 minutes at 10:00 PM.
[Server] Server closing in 5 minutes at 10:00 PM.
[Server] Server closing in 1 minute at 10:00 PM.
[Server] Closing in 5s
[Server] Closing in 4s
[Server] Closing in 3s
[Server] Closing in 2s
[Server] Closing in 1s
```
## 🔧 Force Modes
### NORMAL Mode
Default operational mode:
- **Follows schedule** - Enforces configured hours
- **Respects exceptions** - Honors date exceptions
- **Applies lists** - Whitelist/blacklist in effect
- **Standard behavior** - All features work as configured
### FORCE_OPEN Mode
Always allow access:
- **24/7 access** - Server always open
- **Override schedule** - Ignores all schedule restrictions
- **Respect blacklist** - Blacklisted players still denied
- **Exempt players** - Can still join (redundant but allowed)
- **Use case** - Special events, maintenance overrides
### FORCE_CLOSED Mode
Always deny access:
- **Maintenance mode** - Server always closed
- **Override schedule** - Ignores all schedule restrictions
- **Exempt players** - Can still join (unless kick_exempt=true)
- **Use case** - Server maintenance, emergency closures
### Force Mode Examples
```bash
/hours force open # Enable 24/7 access
/hours force close # Enter maintenance mode
/hours force normal # Return to normal schedule
```
## 👥 Whitelist/Blacklist
### Whitelist System
When enabled, only listed players can join:
- **Always allowed** - Listed players can join anytime
- **Always denied** - Non-listed players denied even during open hours
- **Independent of schedule** - Works regardless of server hours
- **Case insensitive** - Player names matched regardless of case
### Blacklist System
When enabled, listed players are always denied:
- **Always denied** - Listed players cannot join anytime
- **Override schedule** - Denied even during open hours
- **Independent of schedule** - Works regardless of server hours
- **Exempt override** - Exempt players can still join
### List Management
- **Toggle players** - Add/remove players from lists
- **Auto-enable** - Lists automatically enabled when players added
- **Independent operation** - Whitelist and blacklist work separately
- **Permission override** - Exempt players can bypass blacklist
### Examples
```bash
# Add to whitelist
/hours lists whitelist toggle PlayerName
# Add to blacklist
/hours lists blacklist toggle Griefer123
# Enable whitelist
/hours lists whitelist enable
```
## 📅 Date Exceptions
### Closed Dates
Full day closures:
- **Format:** `YYYY-MM-DD` (e.g., `2025-12-25`)
- **Effect:** Server closed all day regardless of schedule
- **Use cases:** Holidays, maintenance days, special events
### Open Dates
Special open windows:
- **Format:** `YYYY-MM-DD hh:mm AM-hh:mm PM` (e.g., `2025-12-31 08:00 PM-11:59 PM`)
- **Effect:** Server open during specified time regardless of schedule
- **Use cases:** Special events, extended hours, one-off openings
### Exception Priority
Exceptions take precedence over normal schedule:
1. **Closed exceptions** - Always deny access
2. **Open exceptions** - Always allow access
3. **Normal schedule** - Follow configured hours
### Examples
```toml
[exceptions]
# Holiday closures
closed_dates = ["2025-12-25", "2026-01-01"]
# Special event windows
open_dates = [
"2025-12-31 08:00 PM-11:59 PM", # New Year's Eve
"2025-07-04 12:00 PM-11:59 PM" # Independence Day
]
```
## 🌍 Multi-Language Support
### Supported Languages
- **English (en_us)** - 12-hour AM/PM format
- **French (fr_fr)** - 24-hour format
### Smart Time Formatting
Time display automatically adapts to locale:
- **English:** "06:00 PM" (12-hour format)
- **French:** "18:00" (24-hour format)
### Message Localization
All player-facing messages are localized:
- **Access denied messages**
- **Warning broadcasts**
- **Kick messages**
- **Status displays**
- **MOTD content**
### Locale Configuration
```toml
[general]
message_locale = "en_us" # or "fr_fr"
```
### Custom Messages
Override default messages with custom text:
```toml
[messages]
kick = "Le serveur est fermé ! Revenez %openday% à %opentime%."
warn = "⚠️ ATTENTION: Server will close in %minutes% minute%s% at %closetime%."
```
## 🔑 Permission System
### Permission Nodes
- **`playhours.admin`** - Full administrative access
- **`playhours.view`** - Read-only status access
- **`playhours.exempt`** - Bypass all schedule restrictions
### LuckPerms Integration
Soft dependency on LuckPerms:
- **Automatic detection** - Works with or without LuckPerms
- **Permission checking** - Uses LuckPerms when available
- **Fallback system** - Falls back to vanilla ops when LuckPerms unavailable
- **Timeout protection** - Prevents blocking on permission checks
### Vanilla Ops Fallback
When LuckPerms is not available:
- **Level 1+** - Can use `/hours status`
- **Level 2+** - Full admin access and exemption
### Permission Examples
```bash
# LuckPerms commands
/lp group default permission set playhours.view true
/lp group admin permission set playhours.admin true
/lp group admin permission set playhours.exempt true
# Vanilla ops
/op PlayerName # Level 2 for admin access
```
## 📢 MOTD System
### Dynamic Server List
The MOTD (Message of the Day) displays real-time schedule information:
- **Server status** - Open/Closed with colors
- **Next open time** - When server will open next
- **Next close time** - When server will close next
- **Countdown timer** - Minutes until close
- **Force mode indicators** - FORCE_OPEN/FORCE_CLOSED status
### MOTD Features
- **Automatic updates** - Refreshes every 60 seconds (configurable)
- **Color support** - Minecraft color codes for status indication
- **Custom formatting** - Flexible format strings with placeholders
- **Multi-language** - Localized content based on server locale
- **Performance optimized** - Efficient updates to minimize server load
### MOTD Configuration
```toml
[motd]
show_status = true # Display Open/Closed status
show_next_open = true # Show next opening time
show_next_close = true # Show next closing time
use_colors = true # Enable colored MOTD
open_color = "green" # Color for "open" status
closed_color = "red" # Color for "closed" status
update_delay_seconds = 60 # Update frequency
```
### MOTD Examples
**When Open:**
```
🟢 Open | Closes at 10:00 PM
```
**When Closed:**
```
🔴 Closed | Opens Monday at 9:00 AM
```
**With Countdown:**
```
🟢 Open | Closing in 15 min | Closes at 10:00 PM
```
## 🔄 Hot Reload
### Configuration Reload
Apply changes without server restart:
- **Command:** `/hours reload`
- **Effect:** Reloads all configuration settings
- **Immediate:** Changes take effect instantly
- **Safe:** No data loss or server interruption
### What Gets Reloaded
- **Schedule configuration** - All time periods and exceptions
- **Message translations** - Language files and custom messages
- **MOTD settings** - Display configuration
- **Permission settings** - Exemption and bypass settings
### When to Use
- **After editing config file** - Apply configuration changes
- **After changing timezone** - Update time calculations
- **After modifying schedule** - Apply new hours
- **After updating messages** - Apply translation changes
## 🚨 Error Handling
### Graceful Degradation
PlayHours handles errors gracefully:
- **Config not ready** - Defers checks until configuration is loaded
- **Permission timeouts** - Falls back to vanilla ops on timeout
- **Invalid configuration** - Uses safe defaults until fixed
- **Network issues** - Continues operation with cached data
### Error Recovery
- **Automatic retry** - Retries failed operations
- **Fallback systems** - Uses alternative methods when primary fails
- **Logging** - Comprehensive error logging for debugging
- **User feedback** - Clear error messages for administrators
## 🔧 Advanced Features
### Midnight Spanning
Support for time ranges that cross midnight:
- **Automatic detection** - When end time is before start time
- **Proper calculation** - Handles day boundaries correctly
- **Schedule logic** - Includes spanning ranges in both days
- **Next open/close** - Calculates correctly across day boundaries
### Timezone Handling
Robust timezone support:
- **IANA identifiers** - Standard timezone names
- **Automatic DST** - Handles daylight saving time changes
- **Local time display** - Times shown in server timezone
- **Consistent calculations** - All time operations use same timezone
### Performance Optimization
Efficient operation:
- **Cached calculations** - Schedule data cached for performance
- **Minimal updates** - MOTD updates only when necessary
- **Efficient checks** - Optimized permission and schedule checks
- **Resource management** - Minimal server resource usage
## 📚 Related Documentation
- **[Configuration Guide](CONFIGURATION.md)** - Detailed configuration options
- **[Commands Reference](COMMANDS.md)** - All available commands
- **[MOTD System](MOTD.md)** - MOTD configuration and customization
- **[Permissions System](PERMISSIONS.md)** - Permission details
- **[Usage Examples](EXAMPLES.md)** - Real-world scenarios
---
*For specific configuration options, see the [Configuration Guide](CONFIGURATION.md).*

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# Installation Guide
This guide covers the installation and initial setup of the PlayHours mod for Minecraft Forge servers.
## 📋 Requirements
### System Requirements
- **Java:** 17 or 23 (recommended: 17 LTS)
- **Minecraft:** 1.20.1
- **Forge:** 47.4.10 or higher
- **Server:** Dedicated server (not single-player)
### Mod Requirements
- **Server-side only** - No client mod required
- **Forge mod loader** - Not compatible with Fabric or other loaders
- **Dedicated server** - Single-player mode not supported
## 🚀 Installation Steps
### 1. Download the Mod
1. Navigate to the `build/libs/` directory in this repository
2. Download `playhours-1.0.0.jar`
3. Verify the file size and integrity
### 2. Install on Server
1. **Stop your Minecraft server** if it's running
2. Navigate to your server's root directory
3. Locate the `mods/` folder (create it if it doesn't exist)
4. Copy `playhours-1.0.0.jar` into the `mods/` folder
5. Ensure no other version of PlayHours is present
### 3. First Startup
1. **Start your server** with the Forge mod loader
2. **Wait for complete startup** - the mod will generate default configuration
3. **Check the logs** for any error messages
4. **Verify installation** by looking for:
```
[INFO] PlayHours loading... (modId=playhours)
[INFO] PlayHours common setup initialized
```
### 4. Configuration Setup
1. **Locate the config file:** `config/playhours.toml`
2. **Edit the configuration** to match your server's needs
3. **Use `/hours reload`** to apply changes without restart
4. **Or restart the server** to load new configuration
## ⚙️ Initial Configuration
### Basic Setup Example
```toml
[general]
timezone = "America/New_York"
force_mode = "NORMAL"
closing_threshold_minutes = 0
deny_login_during_threshold = true
kick_exempt = false
warning_minutes = [15, 10, 5, 1]
countdown_seconds = 5
exempt_bypass_schedule = true
exempt_bypass_threshold = true
message_locale = "en_us"
motd_enabled = true
[defaults]
periods = ["09:00 AM-06:00 PM"]
[days]
monday = ["09:00 AM-06:00 PM"]
tuesday = ["09:00 AM-06:00 PM"]
wednesday = ["09:00 AM-06:00 PM"]
thursday = ["09:00 AM-06:00 PM"]
friday = ["09:00 AM-06:00 PM"]
saturday = []
sunday = []
```
### Timezone Configuration
Set your server's timezone using IANA timezone identifiers:
```toml
[general]
timezone = "America/New_York" # Eastern Time
timezone = "Europe/London" # GMT/BST
timezone = "Asia/Tokyo" # JST
timezone = "Australia/Sydney" # AEST/AEDT
```
## 🔧 Post-Installation
### 1. Test Basic Functionality
1. **Check status:** `/hours status`
2. **Test force modes:** `/hours force open` then `/hours force normal`
3. **Verify permissions:** Ensure you have `playhours.admin` permission
### 2. Configure Permissions
#### With LuckPerms (Recommended)
```bash
/lp group default permission set playhours.view true
/lp group admin permission set playhours.admin true
/lp group admin permission set playhours.exempt true
```
#### With Vanilla Ops
- **Level 1+:** Can use `/hours status`
- **Level 2+:** Full admin access and exemption
### 3. Set Up Schedule
1. **Configure default hours** in the `[defaults]` section
2. **Set per-day overrides** in the `[days]` section
3. **Add exceptions** for holidays and special events
4. **Test the schedule** by checking status at different times
## 🚨 Troubleshooting
### Common Issues
#### Mod Not Loading
- **Check Forge version:** Must be 47.4.10 or higher
- **Check Java version:** Must be Java 17 or 23
- **Check server logs** for error messages
- **Verify file integrity:** Re-download if corrupted
#### Configuration Errors
- **Check TOML syntax:** Use a TOML validator
- **Check timezone format:** Must be valid IANA identifier
- **Check time format:** Must use 12-hour AM/PM format
- **Use `/hours reload`** to test configuration
#### Permission Issues
- **Check LuckPerms integration:** Ensure LuckPerms is loaded first
- **Check ops levels:** Verify operator permissions
- **Check permission nodes:** Use correct permission names
### Log Analysis
Look for these log messages:
```
[INFO] PlayHours loading... (modId=playhours) # Successful loading
[ERROR] PlayHours config error: ... # Configuration issue
[WARN] PlayHours: LuckPerms not found, using ops fallback # Permission fallback
[DEBUG] PlayHours: Config not ready yet # Normal during startup
```
### Getting Help
1. **Check the logs** for specific error messages
2. **Verify configuration** using `/hours status`
3. **Test with minimal config** to isolate issues
4. **Check Forge compatibility** and Java version
## 🔄 Updates
### Updating the Mod
1. **Stop the server**
2. **Backup your configuration** (`config/playhours.toml`)
3. **Remove the old mod file** from `mods/` folder
4. **Install the new version**
5. **Start the server**
6. **Verify configuration** is still valid
7. **Use `/hours reload`** if needed
### Configuration Migration
- **Automatic:** Most configuration changes are backward compatible
- **Manual:** Check changelog for breaking changes
- **Backup:** Always backup your config before updates
## ✅ Verification
After installation, verify everything works:
1. **Server starts without errors**
2. **`/hours status` command works**
3. **Configuration file is generated**
4. **Schedule enforcement works** (test with force modes)
5. **Permissions work correctly**
6. **MOTD updates** (if enabled)
## 📚 Next Steps
After successful installation:
1. **Read the [Configuration Guide](CONFIGURATION.md)** for detailed setup
2. **Check the [Commands Reference](COMMANDS.md)** for available commands
3. **Review [Features Overview](FEATURES.md)** for advanced functionality
4. **See [Usage Examples](EXAMPLES.md)** for real-world scenarios
---
*For detailed configuration options, see the [Configuration Guide](CONFIGURATION.md).*

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# MOTD System
The MOTD (Message of the Day) system displays real-time schedule information in the Minecraft server list, providing players with up-to-date information about server availability.
## 🎯 Overview
The MOTD system automatically updates the server list description to show:
- **Server status** (Open/Closed) with color coding
- **Next opening time** when the server is closed
- **Next closing time** when the server is open
- **Countdown timer** when closing soon
- **Force mode indicators** for maintenance or special modes
- **Custom information** with flexible formatting
## ⚙️ Basic Configuration
### Enabling MOTD
```toml
[general]
motd_enabled = true # Enable MOTD feature
```
### Basic Display Settings
```toml
[motd]
show_status = true # Display Open/Closed status
show_next_open = true # Show next opening time when closed
show_next_close = true # Show next closing time when open
show_schedule_times = false # Show detailed schedule summary
show_on_second_line = true # Place info on second MOTD line
separator = " | " # Separator between elements
```
## 🎨 Visual Configuration
### Colors
```toml
[motd]
use_colors = true # Enable colored MOTD
open_color = "green" # Color for "open" status
closed_color = "red" # Color for "closed" status
info_color = "gray" # Color for informational text
```
### Supported Colors
| Color | Code | Description |
|-------|------|-------------|
| `black` | `§0` | Black text |
| `dark_blue` | `§1` | Dark blue text |
| `dark_green` | `§2` | Dark green text |
| `dark_aqua` | `§3` | Dark aqua text |
| `dark_red` | `§4` | Dark red text |
| `dark_purple` | `§5` | Dark purple text |
| `gold` | `§6` | Gold text |
| `gray` | `§7` | Gray text |
| `dark_gray` | `§8` | Dark gray text |
| `blue` | `§9` | Blue text |
| `green` | `§a` | Green text |
| `aqua` | `§b` | Aqua text |
| `red` | `§c` | Red text |
| `light_purple` | `§d` | Light purple text |
| `yellow` | `§e` | Yellow text |
| `white` | `§f` | White text |
### Color Examples
```toml
[motd]
use_colors = true
open_color = "green" # Green for open status
closed_color = "red" # Red for closed status
info_color = "yellow" # Yellow for informational text
```
## 📝 Custom Formatting
### Custom Format String
```toml
[motd]
custom_format = "Status: %status% - Next: %openday% at %opentime%"
```
### Available Placeholders
| Placeholder | Description | Example |
|-------------|-------------|---------|
| `%status%` | Current server status | "Open" or "Closed" |
| `%openday%` | Day when server next opens | "Monday" |
| `%opentime%` | Time when server next opens | "9:00 AM" |
| `%closetime%` | Time when server closes | "10:00 PM" |
| `%nextopen%` | Combined next open info | "Monday at 9:00 AM" |
| `%nextclose%` | Next close time | "10:00 PM" |
| `%minutes%` | Minutes until close (countdown) | "15" |
| `%mode%` | Current force mode | "NORMAL", "FORCE_OPEN", or "FORCE_CLOSED" |
| `%isopen%` | Whether server is currently open | "yes" or "no" |
### Format Examples
```toml
# Simple status
custom_format = "Status: %status%"
# Detailed information
custom_format = "Status: %status% - Next: %openday% at %opentime%"
# With countdown
custom_format = "Status: %status% - Closing in %minutes% min"
```
## 📋 Custom Lines
### Static Text Lines
```toml
[motd]
custom_lines = [
"🎮 My Game Server",
"Status: %status%",
"Next open: %openday% at %opentime%"
]
```
### Multi-Line Examples
```toml
# Server branding with status
custom_lines = [
"🌟 Welcome to My Server!",
"Status: %status% | Next: %openday%"
]
# Detailed information
custom_lines = [
"🎮 My Game Server",
"Status: %status%",
"Next open: %openday% at %opentime%",
"Visit: example.com"
]
```
## 🔄 Advanced Features
### Force Mode Display
```toml
[motd]
show_force_mode = true # Show FORCE_OPEN/FORCE_CLOSED indicator
```
**Display Examples:**
- `⚠️ Always Open` (FORCE_OPEN mode)
- `⚠️ Maintenance` (FORCE_CLOSED mode)
### Countdown Display
```toml
[motd]
show_countdown = true # Show countdown when closing soon
countdown_threshold_minutes = 30 # Minutes before close to show countdown
```
**Display Examples:**
- `Closing in 15 min` (when within threshold)
- `Closing in 5 min` (when very close)
### Update Frequency
```toml
[motd]
update_delay_seconds = 60 # Delay between MOTD updates (1-600)
```
**Update Intervals:**
- **Fast (10-30 seconds)** - Near real-time updates
- **Default (60 seconds)** - Good balance of accuracy and performance
- **Slow (120+ seconds)** - Reduced server load
## 🎭 MOTD Examples
### Example 1: Default MOTD
**Configuration:**
```toml
[motd]
show_status = true
show_next_open = true
show_next_close = true
use_colors = true
open_color = "green"
closed_color = "red"
```
**Display:**
```
[Your Server Name]
🟢 Open | Closes at 10:00 PM
```
### Example 2: Custom Format
**Configuration:**
```toml
[motd]
custom_format = "Status: %status% - Next: %openday% at %opentime%"
use_colors = true
open_color = "green"
closed_color = "red"
```
**Display:**
```
Status: Closed - Next: Monday at 9:00 AM
```
### Example 3: Custom Lines
**Configuration:**
```toml
[motd]
custom_lines = [
"🎮 My Game Server",
"Status: %status%",
"Next open: %openday% at %opentime%"
]
use_colors = true
open_color = "green"
closed_color = "red"
```
**Display:**
```
🎮 My Game Server
Status: Open
Next open: Monday at 9:00 AM
```
### Example 4: Force Mode Display
**Configuration:**
```toml
[motd]
show_force_mode = true
show_status = true
use_colors = true
```
**Display (FORCE_OPEN):**
```
⚠️ Always Open | Open
```
**Display (FORCE_CLOSED):**
```
⚠️ Maintenance | Closed
```
### Example 5: Countdown Display
**Configuration:**
```toml
[motd]
show_countdown = true
countdown_threshold_minutes = 30
show_status = true
show_next_close = true
```
**Display:**
```
🟢 Open | Closing in 15 min | Closes at 10:00 PM
```
## 🔧 Performance Optimization
### Update Frequency Guidelines
| Server Size | Recommended Interval | Reason |
|-------------|---------------------|---------|
| Small (10-50 players) | 10-30 seconds | Near real-time updates |
| Medium (50-150 players) | 30-60 seconds | Good balance |
| Large (150+ players) | 60-120 seconds | Reduce server load |
| Very Large (300+ players) | 120-300 seconds | Minimal impact |
### Configuration Examples
**High-Traffic Server:**
```toml
[motd]
update_delay_seconds = 120 # Update every 2 minutes
```
**Real-Time Updates:**
```toml
[motd]
update_delay_seconds = 10 # Update every 10 seconds
```
**Minimal Impact:**
```toml
[motd]
update_delay_seconds = 300 # Update every 5 minutes
```
## 🚫 Minecraft Limitations
### Hard Limits
The MOTD display in Minecraft has strict limitations:
- **Maximum 2 lines** - Only 2 lines are displayed in the server list
- **Character limit** - ~59 characters per line
- **Total limit** - ~118 characters across both lines
- **Color codes count** - Color codes count toward character limit
### What Gets Truncated
- **Lines beyond 2nd** - Automatically removed
- **Lines exceeding 59 characters** - Automatically truncated
- **Long placeholder values** - May cause truncation
### Best Practices
1. **Keep it concise** - Use short, informative text
2. **Test in-game** - Verify MOTD displays correctly
3. **Use abbreviations** - "Mon" instead of "Monday"
4. **Avoid redundancy** - Don't repeat information
5. **Consider timezone** - Times can vary in length
### Good MOTD Examples
**Concise and Informative:**
```
Open | Next: Monday at 09:00 AM
```
(~41 characters - well under limit)
**With Status:**
```
Status: Open | Closing at 11:59 PM
```
(~39 characters per line)
**With Countdown:**
```
Open | Closing in 15 min | Next: Mon
```
(~35 characters per line)
## 🌍 Multi-Language Support
### Language-Specific Formatting
The MOTD system automatically adapts to the configured locale:
**English (en_us):**
- Time format: 12-hour AM/PM (`09:00 AM`)
- Day names: Full names (`Monday`)
**French (fr_fr):**
- Time format: 24-hour (`18:00`)
- Day names: French names (`Lundi`)
### Locale Configuration
```toml
[general]
message_locale = "en_us" # or "fr_fr"
```
### Localized Examples
**English MOTD:**
```
🟢 Open | Closes at 10:00 PM
```
**French MOTD:**
```
🟢 Ouvert | Ferme à 22:00
```
## 🔧 Troubleshooting
### Common Issues
**MOTD Not Updating:**
- Check if `motd_enabled = true`
- Verify update frequency settings
- Check server logs for errors
**Truncated Display:**
- Reduce text length
- Use abbreviations
- Test in-game to verify
**Color Issues:**
- Verify color names are correct
- Check for invalid color codes
- Test with `use_colors = false`
### Debug Commands
```bash
/hours motd status # View current MOTD settings
/hours motd toggle # Toggle MOTD on/off
/hours reload # Reload configuration
```
### Log Messages
Look for these log messages:
```
[INFO] MOTD updated: Status: Open | Closes at 10:00 PM
[WARN] MOTD truncated: Line exceeds 59 characters
[ERROR] MOTD error: Invalid color code
```
## 📚 Related Documentation
- **[Configuration Guide](CONFIGURATION.md)** - MOTD configuration options
- **[Commands Reference](COMMANDS.md)** - MOTD commands
- **[Features Overview](FEATURES.md)** - MOTD feature details
- **[Usage Examples](EXAMPLES.md)** - Real-world MOTD scenarios
---
*For configuration file options, see the [Configuration Guide](CONFIGURATION.md).*

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# Permissions System
PlayHours includes a comprehensive permission system with LuckPerms integration and vanilla ops fallback support.
## 🔑 Permission Nodes
### Core Permissions
| Permission | Description | Default Level |
|------------|-------------|---------------|
| `playhours.admin` | Full administrative access | Ops Level 2+ |
| `playhours.view` | Read-only status access | Ops Level 1+ |
| `playhours.exempt` | Bypass all schedule restrictions | Ops Level 2+ |
### Permission Details
#### `playhours.admin`
**Full administrative access including:**
- All `/hours` commands
- Force mode changes
- Configuration modifications
- Schedule management
- Exception handling
- List management
- MOTD control
#### `playhours.view`
**Read-only access including:**
- `/hours status` command
- View current server status
- Check schedule information
- View force mode status
#### `playhours.exempt`
**Bypass all schedule restrictions:**
- Join server when closed
- Join during closing threshold
- Stay connected during kicks
- Override blacklist restrictions
## 🔌 LuckPerms Integration
### Automatic Detection
PlayHours automatically detects and integrates with LuckPerms:
- **Soft dependency** - Works with or without LuckPerms
- **Automatic detection** - Detected at server startup
- **Graceful fallback** - Falls back to vanilla ops if LuckPerms unavailable
- **No configuration required** - Works out of the box
### LuckPerms Setup
#### Basic Permission Setup
```bash
# Grant view permission to all players
/lp group default permission set playhours.view true
# Grant admin permission to admin group
/lp group admin permission set playhours.admin true
/lp group admin permission set playhours.exempt true
# Grant exempt permission to specific players
/lp user PlayerName permission set playhours.exempt true
```
#### Advanced Permission Setup
```bash
# Create custom groups
/lp creategroup moderator
/lp creategroup admin
# Grant permissions to groups
/lp group moderator permission set playhours.view true
/lp group admin permission set playhours.admin true
/lp group admin permission set playhours.exempt true
# Add players to groups
/lp user PlayerName parent add moderator
/lp user AdminName parent add admin
```
#### Permission Inheritance
```bash
# Set up permission inheritance
/lp group moderator permission set playhours.view true
/lp group admin permission set playhours.admin true
/lp group admin permission set playhours.exempt true
# Admin inherits from moderator
/lp group admin parent add moderator
```
### LuckPerms Commands
#### User Management
```bash
# Grant permissions to specific users
/lp user PlayerName permission set playhours.view true
/lp user PlayerName permission set playhours.admin true
/lp user PlayerName permission set playhours.exempt true
# Remove permissions
/lp user PlayerName permission unset playhours.view
/lp user PlayerName permission unset playhours.admin
/lp user PlayerName permission unset playhours.exempt
```
#### Group Management
```bash
# Grant permissions to groups
/lp group default permission set playhours.view true
/lp group moderator permission set playhours.view true
/lp group admin permission set playhours.admin true
/lp group admin permission set playhours.exempt true
# Remove permissions from groups
/lp group default permission unset playhours.view
/lp group admin permission unset playhours.admin
```
#### Permission Checking
```bash
# Check user permissions
/lp user PlayerName permission check playhours.admin
/lp user PlayerName permission check playhours.view
/lp user PlayerName permission check playhours.exempt
# Check group permissions
/lp group admin permission check playhours.admin
/lp group admin permission check playhours.exempt
```
## 🔄 Vanilla Ops Fallback
### When LuckPerms is Not Available
PlayHours automatically falls back to vanilla operator levels:
- **Level 0** - No access
- **Level 1+** - `playhours.view` permission
- **Level 2+** - `playhours.admin` and `playhours.exempt` permissions
### Ops Level Configuration
```bash
# Grant ops level 1 (view access)
/op PlayerName 1
# Grant ops level 2 (admin access)
/op PlayerName 2
# Grant ops level 3 (admin access)
/op PlayerName 3
# Remove ops
/deop PlayerName
```
### Ops Level Examples
```bash
# Give view access to a player
/op PlayerName 1
# Give admin access to a player
/op PlayerName 2
# Give admin access to multiple players
/op Player1 2
/op Player2 2
/op Player3 2
```
## ⚡ Performance Considerations
### Permission Checking
PlayHours optimizes permission checking for performance:
- **Cached results** - Permission results are cached
- **Timeout protection** - Prevents blocking on permission checks
- **Efficient queries** - Minimal database queries
- **Fallback handling** - Graceful degradation on errors
### Timeout Configuration
```java
// Default timeout: 2 seconds
public static final int LUCKPERMS_TIMEOUT_SECONDS = 2;
```
### Performance Tips
1. **Use groups** - Grant permissions to groups rather than individual users
2. **Limit exempt players** - Only grant exempt permission to necessary players
3. **Cache permissions** - LuckPerms handles caching automatically
4. **Monitor performance** - Check server logs for permission-related delays
## 🔧 Permission Scenarios
### Basic Server Setup
**All players can view status:**
```bash
/lp group default permission set playhours.view true
```
**Admins have full access:**
```bash
/lp group admin permission set playhours.admin true
/lp group admin permission set playhours.exempt true
```
### Moderator Setup
**Moderators can view but not modify:**
```bash
/lp group moderator permission set playhours.view true
# No admin or exempt permissions
```
**Admins have full control:**
```bash
/lp group admin permission set playhours.admin true
/lp group admin permission set playhours.exempt true
```
### Custom Roles
**Create custom permission groups:**
```bash
# Create custom groups
/lp creategroup helper
/lp creategroup moderator
/lp creategroup admin
# Grant appropriate permissions
/lp group helper permission set playhours.view true
/lp group moderator permission set playhours.view true
/lp group admin permission set playhours.admin true
/lp group admin permission set playhours.exempt true
```
### Player-Specific Permissions
**Grant permissions to specific players:**
```bash
# Grant view access to specific player
/lp user PlayerName permission set playhours.view true
# Grant admin access to specific player
/lp user PlayerName permission set playhours.admin true
/lp user PlayerName permission set playhours.exempt true
```
## 🚨 Troubleshooting
### Common Issues
#### Permission Denied Errors
**Error:** `You do not have permission to use this command`
**Solutions:**
1. Check if player has required permission
2. Verify LuckPerms is working correctly
3. Check if player is in correct group
4. Verify permission syntax is correct
#### LuckPerms Not Working
**Symptoms:**
- Permissions not being recognized
- Commands not working
- Fallback to vanilla ops
**Solutions:**
1. Check if LuckPerms is loaded
2. Verify LuckPerms configuration
3. Check server logs for errors
4. Restart server if necessary
#### Permission Inheritance Issues
**Symptoms:**
- Players not inheriting group permissions
- Inconsistent permission behavior
**Solutions:**
1. Check group inheritance setup
2. Verify parent-child relationships
3. Check for conflicting permissions
4. Use `/lp user PlayerName permission check` to debug
### Debug Commands
#### Check User Permissions
```bash
# Check specific permission
/lp user PlayerName permission check playhours.admin
# Check all permissions
/lp user PlayerName permission check
# Check group permissions
/lp group admin permission check playhours.admin
```
#### Debug Permission Issues
```bash
# Check user's groups
/lp user PlayerName info
# Check group inheritance
/lp group admin info
# Check permission inheritance
/lp user PlayerName permission check playhours.admin
```
### Log Analysis
Look for these log messages:
```
[INFO] PlayHours: LuckPerms integration enabled
[WARN] PlayHours: LuckPerms not found, using ops fallback
[ERROR] PlayHours: Permission check timeout for user PlayerName
[DEBUG] PlayHours: Permission check result: true for playhours.admin
```
## 🔄 Permission Updates
### Hot Reload
Permissions are checked in real-time:
- **No restart required** - Changes take effect immediately
- **Automatic updates** - LuckPerms changes are detected
- **Cached results** - Permission results are cached for performance
- **Fallback handling** - Graceful degradation on errors
### Permission Changes
```bash
# Grant permission (takes effect immediately)
/lp user PlayerName permission set playhours.admin true
# Remove permission (takes effect immediately)
/lp user PlayerName permission unset playhours.admin
# Change group membership (takes effect immediately)
/lp user PlayerName parent add admin
```
## 📚 Permission Examples
### Server Owner Setup
```bash
# Grant full access to server owner
/lp user ServerOwner permission set playhours.admin true
/lp user ServerOwner permission set playhours.exempt true
```
### Admin Team Setup
```bash
# Create admin group
/lp creategroup admin
# Grant admin permissions
/lp group admin permission set playhours.admin true
/lp group admin permission set playhours.exempt true
# Add admins to group
/lp user Admin1 parent add admin
/lp user Admin2 parent add admin
/lp user Admin3 parent add admin
```
### Moderator Setup
```bash
# Create moderator group
/lp creategroup moderator
# Grant view permission
/lp group moderator permission set playhours.view true
# Add moderators to group
/lp user Mod1 parent add moderator
/lp user Mod2 parent add moderator
```
### Helper Setup
```bash
# Create helper group
/lp creategroup helper
# Grant view permission
/lp group helper permission set playhours.view true
# Add helpers to group
/lp user Helper1 parent add helper
/lp user Helper2 parent add helper
```
## 📚 Related Documentation
- **[Commands Reference](COMMANDS.md)** - Permission requirements for commands
- **[Features Overview](FEATURES.md)** - How permissions affect features
- **[Configuration Guide](CONFIGURATION.md)** - Permission-related configuration
- **[Usage Examples](EXAMPLES.md)** - Real-world permission scenarios
---
*For command-specific permission requirements, see the [Commands Reference](COMMANDS.md).*

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# Technical Details
This document covers the technical architecture, implementation details, and limitations of the PlayHours mod.
## 🏗️ Architecture Overview
### Core Components
PlayHours is built with a modular architecture consisting of several key components:
- **Core Logic** - Schedule calculation and enforcement
- **Event Handlers** - Server tick and login event processing
- **Configuration** - TOML-based configuration management
- **Commands** - Brigadier-based command system
- **Permissions** - LuckPerms integration with ops fallback
- **Text System** - Localization and message formatting
- **MOTD System** - Dynamic server list updates
### Class Structure
```
com.mrkayjaydee.playhours/
├── PlayHoursMod.java # Main mod class
├── command/ # Command system
│ ├── HoursCommand.java # Main command registration
│ ├── CommandBuilder.java # Command utilities
│ └── [Command Builders] # Specialized command builders
├── config/ # Configuration system
│ ├── ServerConfig.java # Main config class
│ ├── GeneralConfig.java # General settings
│ ├── DaysConfig.java # Day-specific schedules
│ ├── ExceptionsConfig.java # Date exceptions
│ ├── ListsConfig.java # Whitelist/blacklist
│ ├── MessagesConfig.java # Message customization
│ └── MOTDConfig.java # MOTD settings
├── core/ # Core logic
│ ├── ScheduleService.java # Main schedule service
│ ├── ScheduleCalculator.java # Schedule calculations
│ ├── ExceptionHandler.java # Exception handling
│ ├── PlayerAccessChecker.java # Access control
│ ├── TimeRange.java # Time range representation
│ └── ForceMode.java # Force mode enum
├── events/ # Event handlers
│ ├── LoginGuard.java # Login event handling
│ ├── TickScheduler.java # Server tick processing
│ ├── MOTDHandler.java # MOTD updates
│ └── [Event Handlers] # Other event handlers
├── permissions/ # Permission system
│ ├── PermissionChecker.java # Main permission checker
│ ├── LuckPermsIntegration.java # LuckPerms integration
│ └── PermissionConstants.java # Permission constants
└── text/ # Text system
├── Messages.java # Message management
├── LocaleLoader.java # Locale loading
└── [Text Handlers] # Text processing
```
## ⚙️ Core Logic
### Schedule Service
The `ScheduleService` class is the central coordinator for all schedule-related operations:
```java
public final class ScheduleService {
private final PlayerAccessChecker accessChecker;
private final ScheduleCalculator scheduleCalculator;
private final ExceptionHandler exceptionHandler;
// Main schedule check
public boolean isOpen(ZonedDateTime now) {
// 1. Check force mode
// 2. Check exceptions
// 3. Check daily schedule
}
// Player-specific access check
public boolean isOpenForName(String name, boolean isExempt) {
// 1. Check player access (lists, force mode)
// 2. Check schedule if not exempt
}
}
```
### Schedule Calculation
The `ScheduleCalculator` handles time-based schedule calculations:
```java
public final class ScheduleCalculator {
// Check if schedule is open at specific time
public boolean isScheduleOpen(ZonedDateTime now) {
// 1. Get current day of week
// 2. Get periods for that day
// 3. Check if current time falls within any period
// 4. Handle midnight-spanning periods
}
// Calculate next open/close times
public Optional<ZonedDateTime> nextClose(ZonedDateTime now) {
// Search through upcoming periods
// Handle midnight-spanning periods
// Return next closing time
}
}
```
### Time Range Handling
The `TimeRange` class represents time periods with support for midnight spanning:
```java
public final class TimeRange {
private final LocalTime start;
private final LocalTime end;
private final boolean spansMidnight;
// Check if time falls within range
public boolean contains(LocalTime time) {
if (spansMidnight) {
return time.isAfter(start) || time.isBefore(end);
} else {
return time.isAfter(start) && time.isBefore(end);
}
}
}
```
## 🔄 Event System
### Login Guard
The `LoginGuard` class handles player login events:
```java
@Mod.EventBusSubscriber
public class LoginGuard {
@SubscribeEvent
public static void onLoggedIn(PlayerEvent.PlayerLoggedInEvent event) {
// 1. Check if player is allowed by schedule/lists
// 2. Check if within closing threshold
// 3. Disconnect player if denied
}
}
```
### Tick Scheduler
The `TickScheduler` class handles server tick events for warnings and kicks:
```java
@Mod.EventBusSubscriber
public class TickScheduler {
@SubscribeEvent
public static void onServerTick(TickEvent.ServerTickEvent event) {
// 1. Check if server is open
// 2. Broadcast warnings if closing soon
// 3. Handle countdown messages
// 4. Kick players at closing time
}
}
```
### MOTD Handler
The `MOTDHandler` class manages dynamic MOTD updates:
```java
@Mod.EventBusSubscriber
public class MOTDHandler {
@SubscribeEvent
public static void onServerTick(TickEvent.ServerTickEvent event) {
// 1. Check if MOTD is enabled
// 2. Update MOTD periodically
// 3. Build MOTD content
// 4. Apply to server
}
}
```
## 🔧 Configuration System
### Forge Config Integration
PlayHours uses Forge's configuration system with TOML format:
```java
public final class ServerConfig {
public static final ForgeConfigSpec SPEC;
static {
ForgeConfigSpec.Builder BUILDER = new ForgeConfigSpec.Builder();
// Initialize all config sections
GeneralConfig.init(BUILDER);
DefaultsConfig.init(BUILDER);
DaysConfig.init(BUILDER);
ExceptionsConfig.init(BUILDER);
ListsConfig.init(BUILDER);
MessagesConfig.init(BUILDER);
MOTDConfig.init(BUILDER);
SPEC = BUILDER.build();
}
}
```
### Configuration Reload
The `ConfigEventHandler` handles configuration changes:
```java
@Mod.EventBusSubscriber
public class ConfigEventHandler {
@SubscribeEvent
public static void onConfigLoad(ModConfigEvent event) {
// 1. Validate configuration
// 2. Update schedule service
// 3. Reload messages
// 4. Update MOTD settings
}
}
```
## 🔑 Permission System
### Permission Checker
The `PermissionChecker` class handles permission validation:
```java
public final class PermissionChecker {
public static boolean hasAdmin(ServerPlayer player) {
return hasPermission(player, PermissionConstants.ADMIN, PermissionConstants.ADMIN_FALLBACK_LEVEL);
}
private static boolean hasPermission(ServerPlayer player, String permission, int fallbackLevel) {
// 1. Try LuckPerms if available
// 2. Fall back to vanilla ops
// 3. Handle timeouts gracefully
}
}
```
### LuckPerms Integration
The `LuckPermsIntegration` class handles LuckPerms-specific operations:
```java
public final class LuckPermsIntegration {
private static LuckPerms luckPerms;
static {
try {
luckPerms = LuckPermsProvider.get();
} catch (Throwable ignored) {
luckPerms = null;
}
}
public static boolean hasPermission(ServerPlayer player, String permission) {
if (!isAvailable()) return false;
var user = luckPerms.getUserManager().getUser(player.getUUID());
if (user == null) return false;
var data = user.getCachedData().getPermissionData();
return data.checkPermission(permission).asBoolean();
}
}
```
## 💬 Text System
### Message Management
The `Messages` class handles localized message loading and formatting:
```java
public final class Messages {
private static volatile String currentLocale = "en_us";
private static volatile Map<String, String> bundle = new HashMap<>();
private static volatile Map<String, String> overrides = new HashMap<>();
public static Component accessDenied(String openDay, String openTime) {
// 1. Get message template
// 2. Replace placeholders
// 3. Return formatted message
}
}
```
### Locale Loading
The `LocaleLoader` class handles language file loading:
```java
public final class LocaleLoader {
public static Map<String, String> loadLocale(String locale) {
// 1. Load language file from resources
// 2. Parse JSON content
// 3. Return message mappings
}
}
```
## 📢 MOTD System
### MOTD Builder
The `MOTDBuilder` class constructs MOTD content:
```java
public final class MOTDBuilder {
public static Component build(ScheduleService scheduleService, ZonedDateTime now) {
// 1. Check current status
// 2. Build status line
// 3. Add next open/close times
// 4. Add countdown if applicable
// 5. Apply colors and formatting
}
}
```
### MOTD Validator
The `MOTDValidator` class ensures MOTD content fits Minecraft limits:
```java
public final class MOTDValidator {
public static Component validateAndTruncate(Component motd) {
// 1. Check line count (max 2 lines)
// 2. Check character count (max 59 per line)
// 3. Truncate if necessary
// 4. Return validated MOTD
}
}
```
## 🚨 Known Limitations
### Early Login Denial
**Issue:** Forge 1.20.1 lacks a true pre-join network event.
**Impact:** Players briefly "join" before being disconnected.
**Workaround:** Uses `PlayerLoggedInEvent` with immediate disconnection.
**Future:** Could be improved with newer Forge versions.
### Deprecation Warning
**Issue:** `FMLJavaModLoadingContext.get()` is deprecated.
**Impact:** Warning in server logs.
**Reason:** Required for 1.20.1 compatibility.
**Future:** Will be updated for newer Forge versions.
### MOTD Caching
**Issue:** Some server list clients may cache MOTD content.
**Impact:** MOTD updates may not be immediately visible.
**Workaround:** MOTD updates every 60 seconds by default.
**Future:** Could be improved with more frequent updates.
## 🔧 Performance Considerations
### Schedule Caching
- **Cached calculations** - Schedule data is cached for performance
- **Efficient lookups** - Time-based lookups are optimized
- **Minimal memory usage** - Only essential data is cached
### Event Processing
- **Tick optimization** - Events are processed efficiently
- **Minimal overhead** - Only necessary checks are performed
- **Resource management** - Proper cleanup of resources
### Permission Checking
- **Cached results** - Permission results are cached
- **Timeout protection** - Prevents blocking on permission checks
- **Fallback handling** - Graceful degradation on errors
## 🛠️ Building from Source
### Requirements
- **Java:** 17 or 23
- **Gradle:** 8.8+ (included via wrapper)
- **Forge:** 47.4.10+
### Build Process
```bash
# Clone repository
git clone <repository-url>
cd PlayHours
# Build the mod
./gradlew build
# Output: build/libs/playhours-1.0.0.jar
```
### Development Setup
```bash
# Setup development environment
./gradlew genEclipseRuns # For Eclipse
./gradlew genIntellijRuns # For IntelliJ IDEA
# Run development server
./gradlew runServer
```
### Build Configuration
The `build.gradle` file contains the build configuration:
```gradle
plugins {
id 'net.minecraftforge.gradle' version '5.1.+'
id 'org.parchmentmc.librarian.forgegradle' version '1.+'
}
minecraft {
version = '1.20.1'
mappings channel: 'official', version: '1.20.1'
runs {
server {
workingDirectory project.file('run')
property 'forge.logging.markers', 'REGISTRIES'
property 'forge.logging.console.level', 'debug'
}
}
}
```
## 🔍 Debugging
### Log Levels
PlayHours uses different log levels for different types of information:
- **INFO** - General information and status
- **WARN** - Warnings and fallback behavior
- **ERROR** - Errors and exceptions
- **DEBUG** - Detailed debugging information
### Debug Configuration
Enable debug logging by setting the log level:
```properties
# In server.properties or log4j2.xml
logger.playhours.level=DEBUG
```
### Common Debug Messages
```
[INFO] PlayHours loading... (modId=playhours)
[INFO] PlayHours common setup initialized
[WARN] PlayHours: LuckPerms not found, using ops fallback
[DEBUG] PlayHours: Config not ready yet
[ERROR] PlayHours: Permission check timeout for user PlayerName
```
## 📚 Related Documentation
- **[Features Overview](FEATURES.md)** - How features work
- **[Configuration Guide](CONFIGURATION.md)** - Configuration details
- **[Commands Reference](COMMANDS.md)** - Command implementation
- **[Usage Examples](EXAMPLES.md)** - Real-world usage
---
*For feature-specific details, see the [Features Overview](FEATURES.md).*