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Coding Help
This is a counterpart to the "Mapping Help" thread. If you need help with QuakeC coding, or questions about how to do some engine modification, this is the place for you! We've got a few coders here on the forum and hopefully someone knows the answer.
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How To Get At It? 
Unfortunately, my CSQC knowledge is kinda limited. If I wanted to have these timers using globals, what would that have to look like?

I basically need two timers, one lasting 30 secs (with stuff to do after 5, 10, 15, 20 and 25 secs) and another one 45 secs (same with 7.5 sec intervals), starting count for each of the powerups available in Quake, SoA and DoE. 
Kinda Got It Working 
It seems to work with this code:

static float poweruptime;

[...]

static void PowerupTimer(vector ppos)
{
poweruptime = (time - 5)*10;
if ((poweruptime >= 200) && (poweruptime < 250)) drawpic(ppos, "gfx/sba1_quad", '16 16 0', '1 1 1', 0.7, 0);
else if ((poweruptime >=250) && (poweruptime < 300)) drawpic(ppos, "gfx/sba2_quad", '16 16 0', '1 1 1', 0.7, 0);
else if ((poweruptime >=300) && (poweruptime < 350)) drawpic(ppos, "gfx/sba3_quad", '16 16 0', '1 1 1', 0.7, 0);
else if ((poweruptime >=350) && (poweruptime < 400)) drawpic(ppos, "gfx/sba4_quad", '16 16 0', '1 1 1', 0.7, 0);
else if (poweruptime >=400) drawpic(ppos, "gfx/sba5_quad", '16 16 0', '1 1 1', 0.7, 0);
};

And later on I call the function in the HUD drawing function for the item bar, like this:

if (autocvar(cl_pwrtimer, 1) == 1)
{
if (sitems & IT_INVISIBILITY) PowerupTimer(pos+'224 8 0');
else if (sitems & IT_INVULNERABILITY) PowerupTimer(pos+'240 8 0');
else if (sitems & IT_SUIT) PowerupTimer(pos+'256 8 0');
else if (sitems & IT_QUAD) PowerupTimer(pos+'272 8 0');
}

Remaining question:
Did I get the timing right with the 30 seconds in the "poweruptime" calculations? 
 
Hey, NightFright!

Since you are working with HUD, maybe you can help me.

Do you know how to change a weapon's pic in the same HUD slot? Like in the Rogue's mission pack, you can select the nailgun and the lava-nailgun, and the pic changes.

Keep in mind that my CSQC knowledge is none. I only know how to work with QCs :P 
Cheered Too Early 
@ Spike:
While it works in general, there's definitely something wrong with the timer(s). Looks like if I save a game and reload, the timer seems to go out of sinc, plus collecting more than one powerup at once completely screws up everything (first powerup is reset and second one is shown almost depleted).

@ Tribal:
I am actually a newbie regarding HUD programming as well. I can identify certain parts in QSS's CSQC code and alter them, but writing code on my own is kinda tricky. 
 
OK, it seems like the timer the way I have written it right now is actually based on how much time passes BEFORE instead of AFTER picking up the item. The longer I wait with picking up something, the more it will deduct from my powerup counter. 
 
CSQC doesn't get saved. if you want things to be correct after saved games then you need to ensure things re-replicate properly.

ssqc (worldspawn or so):
clientstat(STAT_QUADFINISHED, EV_FLOAT, super_damage_finished);

csqc:
float timetillquadexpires = getstatf(STAT_QUADFINISHED) - time;
float timesincequadstarted = time - (getstatf(STAT_QUADFINISHED)-QUADDURATION);


whereas if you're trying to avoid ssqc changes, you can just compare your stats against the last frame, and if quad is obtained then `quadstarted=time;`, then you can use `float timesincequadstarted=time-savedtime;` in your draw code.
Just be aware of the issues that can result if you saved the game while holding quad, or switch spectator tracking, or die etc. 
 
The behavior is like this:

I save while standing in front of a quad. Then, I pick up the powerup immediately. Timer image progresses (seemingly) correctly.

After reloading, I wait before picking up the item. The longer I wait, the more the timer image has already progressed. That means it's counting time without me actually picking up the powerup.

Would this be fixed with that code, then? 
 
@NightFright

Thanks for your reply :)

I think i'll try to mess around with the code until I give up =D 
 
I still wasn't able to pull it off. While it is progress that the timer graphics now show up ingame, getting the timer to work in general has turned into the challenge. It would be a lot easier with involving SSQC. In client.qc, there are conditions for what to do when a powerup expires, e.g. if (self.super_damage_finished < time + 3). It would be cool to use this, just with time+25, time+20, time+15 etc. But I guess it's not that easy.

However, I want to avoid SSQC edits. As soon as you have to supply a specific progs.dat, the hud would break as soon as a mod comes with its own, which is the case quite often. On the other hand, csprogs.dat files are still rather rare, so the mod would work most of the time. 
Now With Source File 
Maybe it helps to get a look at the actual code I am using. Here is what I have so far - it's not the entire thing, but it contains the HUD draw code, which is most likely where all the changes need to be applied.

HUD draw code CSQC

If someone were able to tell me at least roughly what needs to be put where, at least for the example of the Quad powerup, I might be able to figure out the rest on my own. 
 
Hi, there! o/

Today i discovered the viewmodelforclient's trick to show transparent weapons while using the invisibility ring.

It's working, but the weapons animation aren't interpolated. How can i turn on the interpolation for viewmodelforclient? 
 
It's me again... i'm trying to make the fish's corpse float in the water.

Here is what my code looks like:

void () check_waterfish =
{
if (self.watertype != CONTENT_WATER) //check if the fish is still in the water
{
self.velocity_z = 0; //if the fish is not in the water just stop the corpse
self.movetype = MOVETYPE_NONE;
return;
}

//if the fish is still in the water make him float up
self.velocity_z = 15;
self.movetype = MOVETYPE_FLY;

self.nextthink = time + 0.1;
self.think = check_waterfish; //check again if the fish is still in the water

};


... but the corpse keeps floating up out of the water. It never stops. What am i doing wrong? :( 
Tribal: 
seems reasonable, so maybe the assumptions are wrong. What is the actual self.watertype of the fish? try printing it to see. 
@metlslime 
I told the code to print the fish's corpse self.watertype, and "-3" show up in the console. I don't know what "-3" means, but it was printed just one time, like the code is ignoring the self.think and not checking again if the fish is still in the water :P 
Darkplaces Engine Bug 
in the darkplaces engine, fiends get stuck on geometry all the time. Does anyone know specifically what is happening? I'd like to fix or attempt a workaround. 
 
Some dark places differences can be toggled using cvars. Usually they start with “sv_gameplayfix_” so take a look at those to see if any of them fix it. 
Darkplaces Engine Bug 
Nope doesn't appear to be a relevant fix. 
 
That's just how Darkplaces do, as far as I know. Its physics code has been changed for various reasons. 
Darkplaces Engine Bug 
Sorry to be rude but I'm looking for a technical response or even a guess, rather than that non-answer.
Engines are extremely complicated so "That's just how it do" is an understandable response though :D 
Darkplaces Engine Bug 
Even a basic idea like are they literally getting stuck in geometry, or failing to navigate around it? Is it a bug in pathing code or collision code? Something else? 
Darkplaces Engine Bug 
Or perhaps someone can help with detection of if they are stuck or not from within QuakeC to apply some hackery.
Currently I am storing their coordinates in one animation frame and comparing with coordinates in the next frame:

autocvar_DemonLoc = self.origin_x;
autocvar_DemonLoc2 = self.origin_y;
};
void() demon1_jump5 =[ $leap5, demon1_jump6 ] {self.nextthink = ((time + 0.1) - autocvar_monster_rangedattack_animation_speed_factor * 0.001);
if (autocvar_DemonLoc == self.origin_x && autocvar_DemonLoc2 == self.origin_y)
{

But I am hoping I can do much better than this. 
Totalitarian: 
I didn't explain myself very well. Darkplaces has a number of "gameplay fixes" which address quirks of the original engine that are objectively wrong, but fixing those quirks will break vanilla gameplay.

Those fixes can be turned off using the cvars, turning them off gets you closer to vanilla behavior and might make your Fiends work again.

Due to this, most people here will not recommend Darkplaces for playing standard quake maps or mods, since they often won't work correctly. Darkplaces is often recommended more for devs trying to make a brand new game (or a mod that only intended to work in Darkplaces), since they don't need to worry about compatability in that case. 
 
speaking of darkplaces: has development stopped? it was heavily focused on Nexuiz, but Xonotic has its own thing now, so... anyone actually working on DP? 
Darkplaces Engine Bug 
@metlslime as of version whatever, Darkplaces has all those "gameplay fixes" cvars disabled by default. Furthermore I am making an add-on for an existing mod built upon Darkplaces, so changing engine isn't really an option. 
Mr. Clean's QuakeC 
Found this nice QuakeC repo that's been tidied up and fixed, although at first glance not sure how many QIP fixes are included. Still a good resource.

https://github.com/Jason2Brownlee/CleanFixedQuakeC 
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