I just started to learn Lite-C and began with the workshop. After almost going through everything I decided to use the car model and create a little racing game to get things started. I realise that it may not be the best starting point, but it shouldnt be to hard. But I have run into some problems with my code.

Im trying to make the car drop a bomb by pressing ctrl, but instead of one it creates a whole trail of bombs.

Also Im working on getting a sprite to work as a boostpad but that is not going to well either.

Im not looking for anyone to give me code, that wouldnt help learning at all. Im just looking for some pointers to what commands and so on I should look into.

Keep in mind that Im just starting out with this so the code is probably kind of messy. But here it is(the code looks slightly different here but that should just be the indentation):


racing.c
///////////////////////////////
#include <acknex.h>
#include <default.c>
#include "weapons.c"
#include "player.c"
#include "panels.c"
#include "functions.c"
///////////////////////////////

function main()
{
video_mode=7;
fps_max=60;
mouse_mode = 4;

//level_load ("racing.wmb");


wait (2);

}
//////////////////////////////////////////


weapons.c

function bomb_drop(x,y,z,nrofbombs)
{
if (nrofbombs==1)

ent_create("bomb.mdl",vector(x,y,z),NULL);
return(nrofbombs=0);

}

///////////////////////////////////////////

player.c

//Car definitions and variables
ENTITY* car;

var acc = 0.5;
var speed = 0;
var boost = 0;

//Weapon definitions
var nrofbombs = 1;


//Topview follow cam
function update_camera()
{
while(1)
{
vec_set(camera.x,vector(car.x,car.y,1000));
camera.tilt=-90;
wait(1);
}
}

//playercontrolled car
action my_car()
{
car = me;
my.ambient = 0;
while (1)
{
// move the car using relative_speed
if (key_cul)
my.pan += 4*time_step; // increase the pan angle of the car
if (key_cur)
my.pan -= 4*time_step; // decrease the pan angle of the car
if (key_cuu ) // press and hold the "Space" key to move the car
speed += acc*time_step;
c_move (my, vector(speed*time_step, 0, 0), nullvector, USE_POLYGON | IGNORE_PASSENTS);
if (speed >= 50)
speed = 50;

if (!key_cuu )
speed -= 0.2*time_step;

if (speed <= 0)
speed = 0;

if (key_cud)
speed -= 0.5*time_step;

if (key_ctrl)
bomb_drop(my.x,my.y,10,nrofbombs);

update_camera();

wait (1);
}
}

//////////////////////////////////////////////////////////

panels.c

//Main menu


PANEL* main_menu =
{
//mouse_mode = 4;
pos_x = 400;
pos_y = 300;
button(0,0,"start_pressed.jpg","start.jpg","start.jpg",open_level,NULL,NULL);
flags = SHOW | OVERLAY;
}

///////////////////////////////////////////////////////////

functions.c

action boostplate()
{
ENTITY* boostaction;
boostaction = my;
if ((vector(car.x,car.y,0)) == (vector(my.x,my.y,0)))
{
var x;
x=0;
while (x < 100)
{

speed = 80;
x+=1;
wait(1);
if (x==100)
{
boost=0;

}
}
}
}

function open_level()
{
reset(main_menu,SHOW);
mouse_mode=0; //doesn't work
level_load("racing.wmb");
wait(1);
}

function bomb_drop(x,y,z,nrofbombs)
{
while(key_ctrl){wait(1);}
...



For the boost plate, you can use a c_trace from your car downward.
c_trace returns the you pointer of the boost plate or the texture. You have to test what serves your purpose better.

I will look into c_trace, thanks.

But the while(key_ctrl) just delayed the trail until the key is released.

function bomb_drop(x,y,z,nrofbombs)
{
while(key_ctrl)
{
wait(1);
}
if (nrofbombs>=0)
nrofbombs-=1;
ent_create("bomb.mdl",vector(x,y,z),NULL);
//return(nrofbombs=0);

}

Isnt it supposed to hold until the key is released and then execute the rest of the code?

Yes, you are right.
I didn't think of that.
You can set a countdown to prevent creating further bombs within a certain time frame after dropping a bomb.


var bomb_stop;
if(bomb_stop < 0)
{
bomb_stop += time_step;
if(key_ctrl)
{
bomb_stop = -10;//choose your value here
bomb_drop(my.x,my.y,10,nrofbombs);
}
}