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  Defiance - An open-source multiplayer 2D shooter game in Java.  (Read 9085 times)
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Offline GreenLantern101
« Posted 2014-12-27 16:49:36 »

Defiance - An open-source multiplayer 2D shooter game in Java.

Over the past week or so, I have worked diligently modifying the Sydney Engine multiplayer shooter game, written in Java originally by Keith Woodward in 2008, using the Apache Mina networking framework (version 2.0.9). I've added a boatload of new features, and improvements, including HUDs, particles, new weapons, and greatly improved the chat system, as well as killstreaks and so forth. I'm now putting it on github, and I hope someone could look at it and find a bug in the internet system.

Version 1.0.1

Website: http://greenlantern101.github.io/Defiance/
Wiki: https://github.com/GreenLantern101/Defiance/wiki

Grab the .jar file and play now! : Defiance.jar

Screenshot




Setting Up and Playing

Dependencies: The jars are included in the SydneyDependencyJars folder. Just load the Eclipse Project, and run the GameFrame.java class.

======[ Controls ]======

  • Move with Arrow keys or W, A, S, D
  • Left mouse click: fires weapon
  • R: reloads weapon
  • Number keys (1-9) or Q/E or Mouse wheel: selects available weapons
  • `[funny key above TAB]: turn on/off player names and hit points
  • Enter or Shift & Enter: Activate chat, then and once you've typed the message, press enter again to send. If shift is down when you first press enter, the 'send to allies' option is ticked
  • Page up or down: zoom in/ out
  • Escape: displays menu.

======[ Weapons ]======

  • Pistol - Basic weapon with low damage.
  • Machine Gun - Standard rapid-firing rotating gatling.
  • Flamethrower - Close-range weapon that sprays napalm that will stick around for a while, useful for area denial. The napalm will cause damage to anyone that walks over it.
  • Shotgun - Dual-shot weapon that fires a cloud of pellets. Most effective at close ranges.
  • Sniping Rifle - Accurate for long-distance one-hit kills, but slow-firing.
  • Tranquilizer Gun - Fires in short bursts, stunning enemies and slowing them and making them unable to fire.
  • Rocket Launcher - launches rockets that have a large explosion radius. More damage is dealt to objects that are closer to the epicenter of the explosion.
  • Homing Gun - launches three alien-technology orbs that will fire like a regular bullet unless there is an enemy in front of it, in which case it will automatically follow that target. The orbs are relatively slow, but are still useful around corners and against dug-in defenders.
  • Nail Gun - An alternative to the machine gun, that spits out 3 nails at once very rapidly, but watch out for your ammo depletion, since it comes with a small clip considering its rate of fire.

Note:
 Both the Flamethrower and the Rocket Launcher are Variable-Range weapons, that is, their bullets can detonate or stick at a certain range away from the weapon by using the mouse to aim.


======[ Items ]======

  • Healthpack - Restores 33% health.
  • Godly Armor - Grants invincibility against all weapons for 15 seconds, but player can still be tranquilized
  • Speed Shoes - Significantly speeds up travel.
  • Invisibility Shroud - Enemies can't see and target you for 15 seconds.

Note:
You can only use one of either the Godly Armor or the Invisibility Shroud, but not both. But, the Speedy Shoes can be used with anything.

======[ Extra ]======

The wi-fi on laptops may cause noticeable lag over local LAN, but still very playable.

This was slightly modified from the excellent Sydney Engine v. 0.2, made by Keith Woodward, whom can find me on the forums at www.javagaming.org or contact through keithphw@hotmail.com . If you'd like to expand on this game, you can download the source code of Sydney Engine on www.javagaming.org, just search for 'SydneyEngine'.



I have a small list of todos:

Fix internet gameplay, make networking more dependable
Achievements??? - 1st kill, 3rd, 10th, 20th, 30th, 50th, 75th, 100th, 150th, 300th, 500th kills Die 1 time, Die 3 times with no kills, Get 3 healthpacks, Get 3 invisibilities, Switch weapons 20 times, used each weapon at least once, killed with each weapon at least once, assist 25 times
Make personal pop-up alerts configurable
Enhance graphics
Mech Suits support?
Destructable walls- possibly by using subtractive polygons
Map Editor/Maker!


Contacts

Feel free to clone or fork it on github and all contributions are welcome.

Are there any suggestions or comments about this? Does anyone have any suggestions for improving the vector graphics?
Offline Drenius
« Reply #1 - Posted 2014-12-27 20:43:41 »

Are you sure about the name? It might lead to confusion...
Offline GreenLantern101
« Reply #2 - Posted 2014-12-27 22:51:12 »

I know that name is not unique, and I just meant for it to be a temporary name for this project, which seems fitting given the nature of the fast-paced against-all-odds type gameplay.
Games published by our own members! Check 'em out!
Legends of Yore - The Casual Retro Roguelike
Offline Ed_RockStarGuy
« Reply #3 - Posted 2014-12-27 23:27:27 »

Yeah 3 years ago i also had a project called defiance xD
Offline Destructor

Junior Devvie


Medals: 1
Exp: 2 years



« Reply #4 - Posted 2014-12-30 20:48:12 »

Nice game, but bots running faster than player Cheesy
Offline GreenLantern101
« Reply #5 - Posted 2014-12-30 21:12:18 »

Are you sure? The bots inherit from player class directly, using the same vars, and same update loop, and the maxSpeed var is set once and never changed...

When you change directions, there's an extremely small lag in direction changing, and then you must accelerate back to your maxSpeed. So you'll move faster if you move in solely one direction, for example.
Offline CommanderKeith
« Reply #6 - Posted 2014-12-31 01:40:42 »

Perhaps it's because one of the bots picked up speed shoes?!

GreenLantern made lots of awesome improvements to the game play. My favourites are the tranquiliser gun, rocket launcher, grenades and the trash-talking bots.


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