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hondobondo Joined: 26 Sep 2006 Posts: 101 |

Posted: Sun Aug 01, 2010 11:07 pm Post subject: is there a way to do location specific damage in QC? |

or does it have to be first done in the engine?

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leileilol Joined: 15 Oct 2004 Posts: 1321 |

Posted: Mon Aug 02, 2010 12:13 am Post subject: |

The only thing you'll do is rough estimation by vector height and that's stupid _________________

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hondobondo Joined: 26 Sep 2006 Posts: 101 |

Posted: Mon Aug 02, 2010 1:03 am Post subject: |

leileilol wrote:
The only thing you'll do is rough estimation by vector height and that's stupid

why would that be stupid

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Spike Joined: 05 Nov 2004 Posts: 944 Location: UK |

Posted: Mon Aug 02, 2010 1:41 am Post subject: |

because shooting from up high is always a headshot. _________________ What's a signature?

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Sajt Joined: 16 Oct 2004 Posts: 1026 |

Posted: Mon Aug 02, 2010 1:59 am Post subject: |

And shooting from below you'll have to aim at a narrow strip of air three feet in front of his face to get a headshot. _________________ F. A. Špork, an enlightened nobleman and a great patron of art, had a stately Baroque spa complex built on the banks of the River Labe.

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Swift Joined: 26 Jan 2010 Posts: 44 |

Posted: Mon Aug 02, 2010 2:09 am Post subject: |

That's a bit rough isn't it? How do we know he's not using Quake 3 models in Darkplaces or something?

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leileilol Joined: 15 Oct 2004 Posts: 1321 |

Posted: Mon Aug 02, 2010 2:38 am Post subject: |

sdquake.exe isn't darkplaces, and quake3 models don't allow for locational damage stuff either _________________

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Swift Joined: 26 Jan 2010 Posts: 44 |

Posted: Mon Aug 02, 2010 6:32 am Post subject: |

Arguable. Might be the 'wrong' way to do things - but could you spawn multiple entitys for the head etc and set them to SOLID_BSP (per poly collision?), doing away with the BBOX? Of course this is all pointless if setting the head as a tag_entity means it doesn't get checked for collisions - which I'm not sure on.
//DP_GFX_QUAKE3MODELTAGS
//idea: id Software
//darkplaces implementation: LordHavoc
//field definitions:
.entity tag_entity; // entity this is attached to (call setattachment to set this)
.float tag_index; // which tag on that entity (0 is relative to the entity, > 0 is an index into the tags on the model if it has any) (call setattachment to set this)

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Sajt Joined: 16 Oct 2004 Posts: 1026 |

Posted: Mon Aug 02, 2010 7:56 am Post subject: |

It's possible that you could cook up some hack for headshots. If the traceline hits the monster's box, then check manually if the line also intersects some hard-coded smaller box representing the monster's head... _________________ F. A. Špork, an enlightened nobleman and a great patron of art, had a stately Baroque spa complex built on the banks of the River Labe.

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hondobondo Joined: 26 Sep 2006 Posts: 101 |

Posted: Tue Aug 03, 2010 6:08 am Post subject: leilei |

no one even mentioned sdquake. if you ever played it, you would know headshots would be an enormous waste of time to code. i'm thinking more of a zombie mod. i can't believe no one's even done it for quake before, or has they? i mean real zombie not those weird quake zombies. what are those

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gnounc Joined: 06 Apr 2009 Posts: 120 |

Posted: Tue Aug 03, 2010 6:44 am Post subject: |

The Horror is a zombie mod

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Orion Joined: 12 Jan 2007 Posts: 413 Location: Brazil |

Posted: Tue Aug 03, 2010 9:49 pm Post subject: |

Unfortunately Quake only uses ONE bounding box per entity. On modern games there are multiple bounding boxes for each part of the body, or per-poly collision. So locational damage gets a bit weird in Quake because of that but anyway I still like it.
See a simple diagram below:
I've drawn the bbox accordingly, that's why you see little spheres between the lines.
As you can see, if you shoot between the player's legs, he will take damage, the bullet will not pass through them.
The simplest way to do this is simply checking where the projectile is hitting.
Use this for hitscan weapons:

Code:
damage = 100; // initial damage value (changeable) if (trace_endpos_z > (trace_ent.origin_z + trace_ent.maxs_z) - 10) // headshot damage = damage * 3; // this will do 3x damage, change to whatever you like else if (trace_endpos_z < trace_ent.origin_z) // leg shot
damage = damage * 0.5; // this will do half damage (changeable)

And use this for projectile weapons:

Code:
damage = 100; // initial damage value if (self.origin_z > (other.origin_z + other.maxs_z) - 10) // headshot damage = damage * 3; // same thing as above else if (self.origin_z < other.origin_z) damage = damage * 0.5;

Hope it helps, not tested, just came from the top of my head.
_________________
There's no signature here. Stop looking for one.

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frag.machine Joined: 25 Nov 2006 Posts: 728 |

Posted: Wed Aug 04, 2010 12:59 am Post subject: |

Q2K4 has per-poly collision, which could give a little more precise results against hitscan projectiles (shotguns and alike), unfortunately not very helpful against nails and, obviously, rockets. And, unfortunately, there's no way to tell to QuakeC which triangle in the mesh was hit.
_________________
frag.machine - Q2K4 Project
http://fragmachine.quakedev.com/

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ceriux Joined: 06 Sep 2008 Posts: 968 Location: Florida, USA |

Posted: Wed Aug 04, 2010 1:01 am Post subject: |

question could a multi bbox system be implemented into the quake engine? for better model formats? _________________ QuakeDB - Quake ModDB Group

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Urre Joined: 05 Nov 2004 Posts: 1073 Location: Sweden |

Posted: Wed Aug 04, 2010 6:56 am Post subject: |

I've implemented multi-bbox systems in QC. It's all perfectly possible... Do basicly what Sajt said, it's not far from what most games do anyway. _________________ Look out for Twigboy

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