How to make gravity change in a certain part of a map.

Gravity Change in Scripting

Reply #15 on: August 01, 2015, 03:32:16 pm

Ege115
Community Scripter
517 Posts
165 Respect +1

Here's a low gravity script I made a long long time ago. It may be not the best script but it works decently as far as I know.

Code Snippet

Plaintext

#include maps\_utility;
#include common_scripts\utility;
#include maps\_zombiemode_utility;

init()
{
	level thread connect_gravity_on_player();
}

connect_gravity_on_player()
{
	for(;;)
	{
		level waittill( "connecting", player ); 
		player thread onPlayerSpawned();
	}
}

onPlayerSpawned()
{
	self endon("disconnect");
	for(;;)
	{
		self waittill("spawned_player");
		self thread gravity_jump_height();
		self thread gravity_watch();
	}
}

gravity_watch()
{
        self endon("disconnect");

	low_gravity_area = getEntArray("low_gravity_area", "targetname");
 
	while(1)
	{
		for(i=0;i<low_gravity_area.size;i++)
		{
			if(low_gravity_area[i].gravity_active && !self isOnGround() && (self getVelocity()[2] > 0 || self getVelocity()[2] < 0))
			{
				while(!self isOnGround())
				{
					angles = self getplayerangles();
					angles = (0, angles[1], 0);
					self SetVelocity( self getVelocity() + AnglesToUp(angles) * 34 );
 
					if(!low_gravity_area[i].gravity_active)
						break;
 
					wait .05;
				}	
			}
		}
 
		wait .05;
	}
}

gravity_jump_height()
{
        self endon("disconnect");

	low_gravity_area = getEntArray("low_gravity_area", "targetname");
	for(i=0;i<low_gravity_area.size;i++)
		low_gravity_area[i].gravity_active = false;
 
	while(1)
	{
		for(i=0;i<low_gravity_area.size;i++)
		{
			if(self isTouching(low_gravity_area[i]) && !low_gravity_area[i].gravity_active)
			{
				low_gravity_area[i].gravity_active = true;
				self setClientDvar("jump_height", 12);
			}
			else if(!self isTouching(low_gravity_area[i]) && low_gravity_area[i].gravity_active)
			{
				low_gravity_area[i].gravity_active = false;
				self setClientDvar("jump_height", 39);
			}
		}
 
		wait .05;
	}
}

You make trigger multiples in the map with the KVP,

Code Snippet

Plaintext

targetname - low_gravity_area

If you touch those, you should have lower gravity when jumping.

If anyone wants this, feel free to edit.

EDIT: Also tell me if any glitches happens with this, or if any other scripter sees something stupid. Note this was a long time ago so I know I should improve it with what I know now.

Last Edit: August 01, 2015, 07:07:15 pm by Ege115

Reply #16 on: August 01, 2015, 05:32:15 pm

MakeCents
Community Scripter
1,895 Posts
907 Respect +1

Quote from: Ege115 on August 01, 2015, 03:32:16 pm

EDIT: Also tell me if any glitches happens with this, or if any other scripter sees something stupid. Note this was a long time ago so I know I should improve it with what I know now.

I had a few concerns, even questions, maybe some suggestions. I personally thread as little on the player as possible, cause you get into the, did I end it on death, do I got to start it again, shit, is it running twice? kind of stuff. Like here it doesn't appear you end it on death but you do start it on spawn each spawn. So, since you are using trigger multiples, I would rather use the triggers, then the players to thread things on for the most part. I didn't test any of this, just took your script and tweaked it. What you think?

Code Snippet

Plaintext

#include maps\_utility;
#include common_scripts\utility;
#include maps\_zombiemode_utility;

init()
{
	low_gravity_area = getEntArray("low_gravity_area", "targetname");
	array_thread(low_gravity_area,::WatchMe);//	common_scripts\utility.gsc:
}

WatchMe(){
	while(1){
		waittill("trigger", player);
		if(!isDefined(player.gravAffect)) player thread gravity_affect(self);
		wait(.01);
	}
}

gravity_affect(grav)
{
	self.gravAffect = true;
	self setClientDvar("jump_height", 39);
	self endon("disconnect");
	while(self isTouching(grav))
	{
		if(!self isOnGround() && (self getVelocity()[2] > 0 || self getVelocity()[2] < 0))
		{
			while(!self isOnGround())
			{
				angles = self getplayerangles();
				angles = (0, angles[1], 0);
				self SetVelocity( self getVelocity() + AnglesToUp(angles) * 34 );
				wait .05;
			}	
		}
		wait .05;
	}
	self.gravAffect = undefined;
	self setClientDvar("jump_height", 12);
}

Reply #17 on: August 01, 2015, 07:10:17 pm

Ege115
Community Scripter
517 Posts
165 Respect +1

Quote from: MakeCents on August 01, 2015, 05:32:15 pm

I had a few concerns, even questions, maybe some suggestions. I personally thread as little on the player as possible, cause you get into the, did I end it on death, do I got to start it again, shit, is it running twice? kind of stuff. Like here it doesn't appear you end it on death but you do start it on spawn each spawn. So, since you are using trigger multiples, I would rather use the triggers, then the players to thread things on for the most part. I didn't test any of this, just took your script and tweaked it. What you think?
Code Snippet
Plaintext
#include maps\_utility;
#include common_scripts\utility;
#include maps\_zombiemode_utility;

init()
{
	low_gravity_area = getEntArray("low_gravity_area", "targetname");
	array_thread(low_gravity_area,::WatchMe);//	common_scripts\utility.gsc:
}

WatchMe(){
	while(1){
		waittill("trigger", player);
		if(!isDefined(player.gravAffect)) player thread gravity_affect(self);
		wait(.01);
	}
}

gravity_affect(grav)
{
	self.gravAffect = true;
	self setClientDvar("jump_height", 39);
	self endon("disconnect");
	while(self isTouching(grav))
	{
		if(!self isOnGround() && (self getVelocity()[2] > 0 || self getVelocity()[2] < 0))
		{
			while(!self isOnGround())
			{
				angles = self getplayerangles();
				angles = (0, angles[1], 0);
				self SetVelocity( self getVelocity() + AnglesToUp(angles) * 34 );
				wait .05;
			}	
		}
		wait .05;
	}
	self.gravAffect = undefined;
	self setClientDvar("jump_height", 12);
}

Oh shit, didn't mean to make it end on death, fixed on mine now.

Yea yours is much more effective, I usually make player threads on most of my scripts, but I admit that trigger waits are better in this case.

Reply #18 on: August 01, 2015, 07:36:56 pm

DidUknowiPwn
UGX Team Member
1,322 Posts
497 Respect +1

jump_height is a global var it won't affect anyone but host.

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Gravity Change