int check_intersect(struct CaveRoom* cr1, struct CaveRoom* cr2)
{
Pos2 dst;
pos_sub(cr2->origin, cr1->origin, &dst);
float angle = pos_angle_rel(dst);
float addAngle = 0.0f;
while(addAngle < M_PI/2.0f)
{
cr1->rotation + addAngle;
addAngle += 0.1f;
}
}
_Bool GetNodeValue(char *sMessage, char *sNodeName, char *sNodeValue){
sprintf(strHead,"<%s>",sNodeName);
sprintf(strTail,"</%s>",sNodeName);
nHead=pos_sub(sMessage,strHead);
nTail=pos_sub(sMessage,strTail);
if((-1==nHead)||(-1==nTail))
{
return FALSE;
}
nStart = nHead+strlen(strHead);
if(nStart>nTail)
{
return FALSE;
}
substring(sNodeValue,sMessage,nStart,nTail);
return TRUE;
}
// generate a cave room from a random generator
void gen_cave_room(struct CaveRoom* cr, struct CaveRoomGenerator caveGen)
{
cr->exits = NULL;
cr->origin.x = 0;
cr->origin.y = 0;
cr->radius = ((float)rand()/(float)RAND_MAX)*(caveGen.max_radius-caveGen.min_radius)+caveGen.min_radius;
cr->rotation = ((float)rand()/(float)RAND_MAX)*(caveGen.minRot-caveGen.maxRot)+caveGen.minRot;
pos_cpy(caveGen.max_trig_effect, &(cr->trig_effect));
pos_sub(cr->trig_effect, caveGen.min_trig_effect, &(cr->trig_effect));
pos_mul(cr->trig_effect, (float)rand()/(float)RAND_MAX, &(cr->trig_effect));
pos_add(cr->trig_effect, caveGen.min_trig_effect, &(cr->trig_effect));
pos_print(cr->trig_effect);
pos_cpy(caveGen.max_trig_period, &(cr->trig_period));
pos_sub(cr->trig_period, caveGen.min_trig_period, &(cr->trig_period));
pos_mul(cr->trig_period, (float)rand()/(float)RAND_MAX, &(cr->trig_effect));
pos_add(cr->trig_period, caveGen.min_trig_period, &(cr->trig_period));
pos_flr(cr->trig_period, &(cr->trig_period));
}
