////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////
VECTOR move_vec;
////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////
// camera:
var cam_height = 25;
// crawling:
var crouch_timer = 0;
var crawling = 0;
var allow_stand = 1;
var crawl_old = 0;
// gravity:
var my_height;
var jump_time = 1;
////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////
ENTITY* c_hull;
////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////
function handle_crawl()
{
	VECTOR temp;
	vec_set(temp.x, my.x);
	temp.z = my.z + 20; // top point of BBOX
	trace_mode = IGNORE_ME | IGNORE_PASSABLE | USE_BOX;
	c_trace(my.x, temp, trace_mode);	
	draw_line3d(my.x,vector(255,255,255),100);
	draw_line3d(temp,vector(255,255,255),100);
	if(trace_hit)
	{
		allow_stand = 0; 
	}
	else
	{
		allow_stand = 1;
	}
	if(key_ctrl) // if ctrl is pressed
	{
/*		if(crouch_timer > -25)
		{
			crouch_timer -= 5 * time_step;
			if(crouch_timer > 100){crouch_timer = 100;}	
		}
		else
		{
			crawling = 1;
		}
		camera.z += crouch_timer;
*/
		crawling=1;
	}
	else
	{
/*		if(crouch_timer < 0)
		{
			if(allow_stand == 1)
			{
				crawling = 0;
				crouch_timer += 5 * time_step;
				camera.z += crouch_timer;
			}
			else
			{
				camera.z += crouch_timer;
			}
		}
*/
	crawling=0;
	}
}
////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////
function handle_camera()
{
	camera.pan -= 1 * mickey.x * time_step;
	camera.tilt -= 1 * mickey.y * time_step;
	camera.tilt = clamp(camera.tilt, -90, 90);
	//vec_set(camera.x, vector(my.x, my.y, my.z + cam_height));
	camera.x = my.x + fcos((camera.pan), fcos(camera.tilt, -100));
	camera.y = my.y + fsin((camera.pan), fcos(camera.tilt, -100));
	camera.z = my.z + fsin(camera.tilt, -100);		
	pXent_rotate(c_hull, vector(camera.pan, 0, 0), nullvector);
	// crawling:
	handle_crawl();		
}
////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////
function apply_gravity()
{
	VECTOR temp;
	VECTOR vec_min;
	vec_set(temp, my.x);
	temp.z -= 1000;
	trace_mode = IGNORE_ME | IGNORE_FLAG2 | IGNORE_PASSABLE | USE_BOX;
	c_trace(my.x, temp, trace_mode); 
	vec_for_min(vec_min, my);
	my_height = my.z + vec_min.z - target.z;			
	if(my_height > 20)
	{
		accelerate(move_vec.z, -6 * time_step, -0.5);
	}
	else
	{
		if(jump_time == 1)
		{
			move_vec.z = -(my_height / 1.2) + 2;
		 	move_vec.z = clamp(move_vec.z, -5, 5);
		}
	}
}
////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////
action hero()
{
	player = my;
	set(my,TRANSLUCENT);
	set(my,PASSABLE);
	wait(1);
	c_setminmax(my);	
	// create bbox shapes:
	ENTITY* c_stand = ent_create("bbox.mdl", vector(0, 0, -10000), NULL);
	ENTITY* c_crawl = ent_create("bbox.mdl", vector(0, 0, -10000), NULL);
	// scale it down:
	c_crawl.scale_z = 0.5;
	// make them passable and transparent:
	set(c_stand, PASSABLE | TRANSLUCENT);
	set(c_crawl, PASSABLE | TRANSLUCENT);
	// unregistered in physiX:
	pXent_settype(my, 0, 0);
	pXent_enable(my,0);
	// attach all parts:
	c_hull = c_stand;

	vec_set(c_hull.x, my.x);
	vec_set(c_hull.pan, my.pan);
	pXent_settype(c_crawl, 0, 0);
	pXent_settype(c_stand, PH_CHAR, PH_CAPSULE);
	wait(1);
	while(1)
	{
		DEBUG_VAR(crawling, 20);
		vec_set(my.x, c_hull.x);	
		// crawling shape:	
		if(crawl_old != crawling)
		{
			if(crawling == 1)
			{
				c_hull = c_crawl;
				vec_set(c_hull.x, my.x);
				vec_set(c_hull.pan, my.pan);
				pXent_settype(c_stand, 0, 0);
pXent_settype(c_crawl, PH_RIGID, PH_CAPSULE);//***********
pXent_setbodyflag(c_crawl,NX_BF_FROZEN_ROT , 1);//************
			}
			if(crawling == 0)
			{
				c_hull = c_stand;
				vec_set(c_hull.x, my.x);
				vec_set(c_hull.pan, my.pan);
				pXent_settype(c_crawl, 0, 0);
pXent_settype(c_stand, PH_CHAR, PH_CAPSULE);//************
			}
			crawl_old = crawling;
		}
		// movement:		
		if(crawling == 0)
		{
			move_vec.x = 10 * (key_w - key_s) * time_step * (1 + key_shift * 0.5);
			move_vec.y = 10 * (key_a - key_d) * time_step * (1 + key_shift * 0.5);
		}
		else
		{
			move_vec.x = 2 * (key_w - key_s) * time_step;
			move_vec.y = 2 * (key_a - key_d) * time_step;
		} 
		// gravity:
if(!crawling)	apply_gravity();//****************
		// apply all forces:
		pXent_move(c_hull, move_vec, nullvector);		
		// attach camera:
		handle_camera();
		// attach model parts:
		vec_set(c_stand.x, c_hull.x);
		vec_set(c_stand.pan, c_hull.pan);			
		vec_set(c_crawl.x, c_hull.x);
		vec_set(c_crawl.pan, c_hull.pan);			
		// attach visible model:
		vec_set(my.x, c_hull.x);		
		my.pan = camera.pan;
		wait(1);
	}
	// DEATH HERE
}
////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////