...
BMAP* spark_map = "spark.tga";
VECTOR temp;
...

void main() {
  ...
}

void someAction() {
   ...
   my.event=someEvent;
   ...
}

void someEvent() {
   ...
   vec_scale(normal,10); // from the manual
   effect(effect_explo,10,my.x,normal); // CRASH!!!!    
   ...
}


/// the following funcs are from the manual. 
/// the only change is the BMAP utilized in effect_explo
function vec_randomize (var* vec, var range)
{
   vec[0] = random(1) - 0.5;
   vec[1] = random(1) - 0.5;
   vec[2] = random(1) - 0.5;
   vec_normalize(vec,random(range));
}

// helper function: fades out a particle
function part_alphafade(PARTICLE *p)
{
   p.alpha -= 2*time_step;
   if (p.alpha <= 0) p.lifespan = 0;
}

// particle function: generates a fading explosion into vel direction
function effect_explo(PARTICLE *p)
{
   vec_randomize(temp,10);
   vec_add (p.vel_x, temp);
   p.alpha = 25 + random(25);
   p.bmap = spark_map;
   p.flags |= (BRIGHT | MOVE);
   p.event = part_alphafade; // change to a shorter, faster function
}

    
vec_scale(normal,10); // from the manual   
effect(effect_explo,10,my.x,  nullvector  ); // Test it with that

Quote:

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because function overloading is supported, the compiler would probably think it's a prototype to a function of the same name, but different parameters. it only comes across the error at runtime when it comes across the effect call.

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