EIZZOs-Launchers
PluginMIT

EIZZOs-Launchers

Custom launchers made with 2 blocks underneath each other | ALSO WORKS WITH BOATS

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📖About EIZZOs-Launchers

EIZZOs-Launchers

Launch Pad System with customizable velocity, particles, sounds, and boat launching support.


🎯 Features

🚀 Launch Mechanics

  • Two Block Detection - Stand on two matching blocks to launch
  • Dual Launch Modes - Direct player launch or boat launch
  • Velocity Control - Separate vertical and horizontal power settings
  • Direction-Based - Launches in the direction you're facing

🎨 Visual & Audio Effects

  • Launch Particles - Two-layered particle burst on launch
  • Trail Particles - Two parallel particle streams while flying
  • Sound Effects - Customizable launch sounds
  • Particle Presets - 13+ particle types to choose from

⚙️ Management

  • GUI Editor - Visual interface for creating and editing launchers
  • In-Game Adjustments - Modify properties without reloading
  • Command Control - Set properties via commands
  • Auto-Save - Configuration saved automatically

📝 Commands

Command Arguments Permission Description
/launchers - eizzolaunchers.admin Open Launcher Manager GUI
/launchers help - - Display help menu
/launchers reload - eizzolaunchers.admin Reload configuration
/launchers set <material> <property> <value> See properties below eizzolaunchers.admin Set launcher property

Aliases: /launcher, /el

Set Command Properties

Property Type Description Default
vertical 0-100 Launch height/upward velocity multiplier 50
horizontal 0-100 Launch distance/forward velocity multiplier 50
boat true/false Enable/disable boat launching mode false
particle1 Particle name Primary launch particle effect FLAME
particle2 Particle name Secondary launch particle effect CLOUD
trail_particle1 Particle name Primary trail particle (while flying) SOUL_FIRE_FLAME
trail_particle2 Particle name Secondary trail particle (while flying) WHITE_ASH
sound Sound name Launch sound effect ENTITY_FIREWORK_ROCKET_LAUNCH

🔐 Permissions

Permission Description
eizzolaunchers.admin Access to all launcher commands and GUI management

🛠️ Configuration

Main Config (config.yml)

config-version: 1.1

launchers:
  GOLD_BLOCK:
    vertical: 50              # Launch height (0-100)
    horizontal: 50            # Launch distance (0-100)
    boat: false              # Enable boat launching
    particle1: FLAME         # Primary launch particle
    particle2: CLOUD         # Secondary launch particle
    trail_particle1: SOUL_FIRE_FLAME  # Primary trail particle
    trail_particle2: WHITE_ASH         # Secondary trail particle
    sound: ENTITY_FIREWORK_ROCKET_LAUNCH  # Launch sound

  EMERALD_BLOCK:
    vertical: 80
    horizontal: 20
    boat: false
    particle1: DRAGON_BREATH
    particle2: HAPPY_VILLAGER
    trail_particle1: SOUL_FIRE_FLAME
    trail_particle2: WHITE_ASH
    sound: ENTITY_FIREWORK_ROCKET_LAUNCH

Configuration Notes:

  • Material names must be valid Minecraft block names
  • Numeric range: 0-100 recommended (scales velocity)
  • Invalid particle/sound names fallback to defaults
  • Config auto-migrates when version changes

⚡ Launch Mechanics

Activation

Launchers trigger when:

  1. Player/boat moves onto launcher blocks
  2. Two consecutive blocks of same material detected:
    • Block at feet level (layer 1)
    • Block below feet (layer 2)
  3. Material matches configured launcher type

Two Launch Modes

Mode 1: Direct Player Launch (Default)

  • Activation: Walk/stand on launcher blocks
  • Direction: Player's facing direction (yaw)
  • Velocity Calculation:
    • Vertical: (vertical_config / 100.0) * 2.5 blocks/tick
    • Horizontal: (horizontal_config / 100.0) * 3.0 blocks/tick

Mode 2: Boat Launch

  • Activation: Boat moves over launcher blocks (requires boat: true)
  • Direction: Boat's facing direction
  • Velocity Calculation:
    • Vertical: (vertical_config / 100.0) * 1.5 blocks/tick (lower than player)
    • Horizontal: (horizontal_config / 100.0) * 4.0 blocks/tick (higher than player)

Cooldown System

  • Duration: 10 ticks (0.5 seconds)
  • Per-Entity: Each player/boat has independent cooldown
  • Purpose: Prevents repeated launches from quick passages

🎨 Visual & Audio Effects

Launch Effects

When launched, players experience:

Effect Details
Particle 1 20 particles, 0.2 spread, 0.1 speed
Particle 2 15 particles, 0.3 spread, 0.05 speed
Sound Volume 1.0, pitch 1.2 (players) / 0.8 (boats)

Trail Effects (While Flying)

  • Duration: Runs every tick until landing or entering liquid
  • Minimum Air Time: 3 ticks before landing detection
  • Particle Streams: Two parallel trails on left/right sides
  • Side Offset: 0.3 blocks perpendicular to flight direction
  • Landing Detection: Player touches ground or enters liquid

🎮 Launcher Manager GUI

Main Menu

Open with /launchers - displays all configured launchers.

Actions:

  • Left-Click launcher → Open editor
  • Right-Click launcher → Remove launcher
  • Click Emerald (slot 25) → Add new launcher (hold block in hand)
  • Click Barrier (slot 26) → Close menu

Editor Menu

Edit properties for selected launcher:

Slot Item Function
10 Lever Vertical Height: +10 (Left) / -10 (Right)
19 Feather Horizontal Flick: +10 (Left) / -10 (Right)
13 Boat Toggle boat mode ON/OFF
22 Jukebox Cycle through sound presets
15 Blaze Powder Cycle large particles (Particle 1)
24 White Dye Cycle large particles (Particle 2)
16 Glowstone Dust Cycle small particles (Trail 1)
25 Gunpowder Cycle small particles (Trail 2)
40 Arrow Back to Main Menu
42 Barrier Close Editor

GUI Behavior:

  • Values clamped to 0-100 range
  • Auto-saves on close
  • Sound feedback on all clicks

🎨 Particle & Sound Presets

Large Particles (Launch Effects)

FLAME, SOUL_FIRE_FLAME, DRAGON_BREATH, HEART, ENCHANT,
HAPPY_VILLAGER, CLOUD, REDSTONE, SOUL, TOTEM_OF_UNDYING,
WITCH, LAVA, GLOW

Small Particles (Trail Effects)

WITCH, CRIT, ENCHANTED_HIT, WHITE_ASH, ASH,
REVERSE_PORTAL, SOUL_FIRE_FLAME, FLAME, HAPPY_VILLAGER, GLOW

Sound Presets

ENTITY_FIREWORK_ROCKET_LAUNCH, ENTITY_EXPERIENCE_ORB_PICKUP,
ENTITY_PLAYER_LEVELUP, BLOCK_NOTE_BLOCK_CHIME,
ENTITY_ENDER_DRAGON_FLAP, ENTITY_WITHER_SHOOT

📚 Examples

Basic Jump Pad

# Place two gold blocks vertically
# Stand on them to test default launcher (50/50)
/launchers set GOLD_BLOCK vertical 60
/launchers set GOLD_BLOCK horizontal 40

Result: Medium height, medium distance launch

Super Jump Pad

/launchers set EMERALD_BLOCK vertical 100
/launchers set EMERALD_BLOCK horizontal 20
/launchers set EMERALD_BLOCK particle1 DRAGON_BREATH
/launchers set EMERALD_BLOCK sound ENTITY_ENDER_DRAGON_FLAP

Result: Very high jump, minimal forward movement, epic effects

Water Channel Boat Launcher

/launchers set DIAMOND_BLOCK boat true
/launchers set DIAMOND_BLOCK vertical 30
/launchers set DIAMOND_BLOCK horizontal 80
/launchers set DIAMOND_BLOCK particle1 SOUL_FIRE_FLAME
/launchers set DIAMOND_BLOCK particle2 CLOUD

Result: Boat launches far across water with lower arc

Parkour Course Launcher

# Short hop launcher
/launchers set QUARTZ_BLOCK vertical 40
/launchers set QUARTZ_BLOCK horizontal 50
/launchers set QUARTZ_BLOCK particle1 ENCHANT
/launchers set QUARTZ_BLOCK trail_particle1 HAPPY_VILLAGER

Result: Precise jumps for parkour courses with visual trail

Multi-Launcher System

Create different launchers for different purposes:

# Low power (beginner)
/launchers set COAL_BLOCK vertical 30
/launchers set COAL_BLOCK horizontal 30

# Medium power (intermediate)
/launchers set IRON_BLOCK vertical 60
/launchers set IRON_BLOCK horizontal 50

# High power (expert)
/launchers set NETHERITE_BLOCK vertical 90
/launchers set NETHERITE_BLOCK horizontal 70

🔧 Troubleshooting

Launcher not working?

  • Ensure two blocks of same material stacked vertically
  • Check player is standing on top block (not in it)
  • Verify material is configured in config.yml
  • Check for cooldown (0.5 second delay between launches)

No particles showing?

  • Verify particle names are valid Minecraft particle types
  • Particles are client-side - restart client if needed
  • Check console for errors on invalid particle names
  • Plugin falls back to FLAME if particle invalid

Sound not playing?

  • Verify sound name is valid Minecraft sound enum
  • Check client sound settings (not muted)
  • Plugin falls back to ENTITY_FIREWORK_ROCKET_LAUNCH if invalid
  • Sound plays at launch location, volume 1.0

Boat launcher not working?

  • Verify boat: true in configuration for that material
  • Boat must be moving over blocks (not stationary)
  • Check boat is actually in water (works on land too)
  • Boat pitch is 0.8 (lower than player's 1.2)

Launch velocity too weak/strong?

  • Adjust vertical and horizontal values (0-100)
  • Values multiply with base velocity:
    • Player: vertical ×2.5, horizontal ×3.0
    • Boat: vertical ×1.5, horizontal ×4.0
  • Test in creative mode for safety

Trail particles not showing?

  • Trails only appear while entity is in air
  • Minimum 3 ticks in air before landing detection
  • Trails stop when landing or entering liquid
  • Check trail_particle1 and trail_particle2 are valid

Can't add new launcher?

  • Hold the block in your hand
  • Click the Emerald in GUI slot 25
  • Material must not already exist as launcher
  • Requires eizzolaunchers.admin permission

⚠️ Important Notes

Critical Information

  1. Two-Block Requirement: Launchers need matching blocks at feet level AND one block below
  2. Direction-Based: Launch direction follows player/boat facing direction
  3. Cooldown System: 0.5 second cooldown prevents repeated launches
  4. GUI Blocking: Launches blocked while inventory GUI is open
  5. Velocity Scaling: Values 0-100 scale with different multipliers for player/boat
  6. Trail Rendering: Trails use perpendicular offset vectors for side-by-side streams
  7. Fallback System: Invalid particles/sounds automatically fallback to defaults

Velocity Multipliers

Player Mode:

  • Vertical: config × 2.5 ÷ 100 blocks/tick
  • Horizontal: config × 3.0 ÷ 100 blocks/tick

Boat Mode:

  • Vertical: config × 1.5 ÷ 100 blocks/tick (lower for water travel)
  • Horizontal: config × 4.0 ÷ 100 blocks/tick (higher for distance)

Landing Detection

Trails stop when:

  • Player/entity touches ground (isOnGround())
  • Entity enters liquid (getBlock().isLiquid())
  • Entity removed/despawned

Trail Offset Calculation

Vector dir = entity.getDirection().setY(0).normalize();
Vector sideOffset = new Vector(-dir.getZ(), 0, dir.getX()).normalize().multiply(0.3);
// Spawns particles at:
// - entity_location + sideOffset (right side)
// - entity_location - sideOffset (left side)

🎨 Chat Formatting

All plugin messages use MiniMessage format with gradient coloring:

Gradient: Bright Red (#FF5555) → Dark Red (#FF0000)

Format: [EIZZOs-Launchers] » Message

Examples:

  • Help menu headers
  • Property change confirmations
  • Error messages
  • Admin notifications

📊 Configuration Examples

Speed Runner Course

launchers:
  GOLD_BLOCK:
    vertical: 45
    horizontal: 70
    boat: false
    particle1: SOUL_FIRE_FLAME
    particle2: FLAME
    trail_particle1: SOUL_FIRE_FLAME
    trail_particle2: CRIT
    sound: ENTITY_FIREWORK_ROCKET_LAUNCH

Water Park Ride

launchers:
  PRISMARINE:
    vertical: 35
    horizontal: 85
    boat: true
    particle1: CLOUD
    particle2: HAPPY_VILLAGER
    trail_particle1: WHITE_ASH
    trail_particle2: ASH
    sound: ENTITY_PLAYER_SPLASH

Vertical Cannon

launchers:
  REDSTONE_BLOCK:
    vertical: 95
    horizontal: 10
    boat: false
    particle1: LAVA
    particle2: FLAME
    trail_particle1: SOUL_FIRE_FLAME
    trail_particle2: WHITE_ASH
    sound: ENTITY_WITHER_SHOOT

📄 License

Part of the EIZZOs plugin suite for Minecraft multiplayer networks.


Version: 1.0-SNAPSHOT
Minecraft: 1.21.1 (Paper)
Author: EIZZO