///////////////////////////////
#include <acknex.h>
#include <default.c>
#include <mtlFX.c>
///////////////////////////////

//Tentacle Test
var segments = 50;
var roots = 20;
var speed = 3;

#define nextSegment skill10

void segmentsCreate(ENTITY* eParent, int numSegments)
{
	ENTITY* eNewSegment = ent_create("tentacle.mdl",eParent.x,NULL);
	set(eNewSegment,PASSABLE);
	eNewSegment.material = mtl_specBump;
	eNewSegment.scale_x = eParent.scale_x * .95;
	eNewSegment.scale_y = eNewSegment.scale_x;
	eNewSegment.scale_z = eNewSegment.scale_x;
	eParent.nextSegment = eNewSegment;
	if(numSegments > 0) segmentsCreate(eNewSegment, numSegments-1);
}

action creature()
{
	set(my,INVISIBLE | UNLIT);
	int i;
	for(i = 0; i < roots; i++)
	{
		you = ent_create("tentacle.mdl",my.x,NULL);
		you.material = mtl_specBump;
		your.pan = random(360);
		your.tilt = random(360);
		your.roll = random(360);
		segmentsCreate(you,segments);
		my.skill[19+i] = you;  // my.skill[19+0] is the same as my.skill20
	}
	var mainAngle = 0;
	while(1)
	{
		mainAngle += speed*time_step;
		for(i = 0; i < roots; i++)
		{
			ENTITY* eRoot = my.skill[19+i];
			eRoot.pan += time_step;
			eRoot.tilt += time_step;
			eRoot.roll += time_step;
			
			ENTITY* eSegment = eRoot.nextSegment;
			ENTITY* eParent = eRoot;
			var extraAngle = 0;
			while(eSegment)
			{
				var angleAdd = 5 * sinv(mainAngle+extraAngle);
				eSegment.pan = eParent.pan + angleAdd;
				eSegment.tilt = eParent.tilt + angleAdd;
				eSegment.roll = eParent.roll + angleAdd;
				vec_for_vertex(eSegment.x,eParent,15);
				
				eParent = eSegment;
				eSegment = eSegment.nextSegment;
				extraAngle += 10;
			}
		}
		wait(1);	
	}
}


function main()
{
	sky_color.red = 0;
	sky_color.green = 57;
	sky_color.blue = 77; // bright blue sky 
	video_mode = 10;

	random_seed(0);
	d3d_antialias = 9;
	max_entities = 9999;
	level_load(NULL);
	ent_create(CUBE_MDL,nullvector,creature);
	camera.x -= 150;
	def_move();
}