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

void Barrel()
{
	//Just a placeholder
	set(my,FLAG8);
	my.skill1=100;
	while(my.skill1>0)
	{
		wait(1);
	}
	safe_remove(me);
}

void create_barrel()
{
	VECTOR to;
	vec_set(to,mouse_dir3d);
	vec_scale(to,1000); // set a range
	vec_add(to,mouse_pos3d);
	c_trace(mouse_pos3d,to,0);
	if(trace_hit)
	//This won´t work, because entity is too high!
	//ent_create(CUBE_MDL,vector(target.x,target.y,target.z+20),Barrel);
	//This will work
	ent_create(CUBE_MDL,vector(target.x,target.y,target.z+10),Barrel);
}
var RocketRange=100;
var RocketScanHeight=10;
 
void HitEvent()
{
	//If hit something
	if(event_type==EVENT_IMPACT||event_type==EVENT_ENTITY)
	{
		//The Problem is here. If you comment out this line, then you´ll see that the scan-circle 
		//is rotated into the ground, so you got like no chance to scan anything. To really have the
		//full scan-range, you need to reset it´s rotation
		vec_set(my.pan,nullvector);
		//Scan around
		c_scan(my.x,my.pan,vector(360,0,RocketRange),IGNORE_PASSABLE|IGNORE_ME);
		//And tell the rocket you hit something
		my.skill2=1; 
		//You can remove this line, it´s just to show you the range of the rockets
	//	wait(-1);
		//Now we can remove everything
		my.skill2=2;
	}
	//If scanned something
	if(event_type==EVENT_DETECT)
	{
		//And you are marked as enemy
		if(is(you,FLAG8))
		{
			//And you are withing the height between -10 and 10
			VECTOR temp;
			vec_set(temp.x,you.x);
			vec_to_ent(temp.x,my);
			if(abs(temp.z)<RocketScanHeight)
			{
				//set you health to 0
				you.skill1=0;
			}
		}
	}
}
void shoot_rocket(VECTOR* targetVec)
{
	//We have to save the parameter in order not to lose it
	VECTOR RocketTarget;
	vec_set(RocketTarget,targetVec);
	//No create the rocket
	ENTITY* RocketEnt=ent_create(CUBE_MDL,vector(player.x,player.y,player.z+50),NULL);
	//scale it down
	vec_scale(RocketEnt.scale_x,0.2);
	//Make it react to touches and detected entites
	RocketEnt.emask|=ENABLE_ENTITY|ENABLE_IMPACT|ENABLE_DETECT;
	RocketEnt.event=HitEvent;
	//The variable for acceleration
	var RocketSpeed=0;
	
	//The range indicator
	ENTITY* range=ent_create(SPHERE_MDL,my.x,NULL);
	//Scale it to the range of the rocket
	vec_scale(range.scale_x,RocketRange/8);
	range.scale_z=RocketScanHeight/8;
	//make it transparent
	set(range,TRANSLUCENT|PASSABLE);
	range.alpha=50;
	
	//Fly as long as we hit nothing
	while(RocketEnt.skill2==0)
	{
		//Target our destination
		vec_to_angle(RocketEnt.pan,vec_diff(NULL,RocketTarget.x,RocketEnt.x));
		//Accelerate to get the "rocket effect"
		accelerate(RocketSpeed,0.5,0);
		c_move(RocketEnt,vector(RocketSpeed,0,0),nullvector,IGNORE_PASSABLE|USE_POLYGON);
		
		//set the range indicator to rockets position and orientation
		vec_set(range.x,RocketEnt.x);
		vec_set(range.pan,RocketEnt.pan);
		
		//You can uncomment this line to really see how the rotation makes a difference
		//RocketEnt.roll+=5*time_step;
		wait(1);
	}
	//When we hit something, wait until we can remove it
	while(RocketEnt.skill2==1)wait(1);
	//Reset the event and remove everything
	RocketEnt.event=NULL;
	safe_remove(range);
	safe_remove(RocketEnt);
}

void playerEnt()
{
	player=me;
	VECTOR to;
	var RocketTime=0;
	while(1)
	{
		draw_text("Shoot with [mouse_left]\ncreate barrels with [mouse_right]\nmove with WASD",0,0,COLOR_WHITE);
		//Mark our target 
		vec_set(to,mouse_dir3d);
		vec_scale(to,1000); // set a range
		vec_add(to,mouse_pos3d);
		c_trace(mouse_pos3d,to,0);
		if(trace_hit)
		draw_point3d(vector(target.x,target.y,target.z+10),COLOR_RED,100,10);
		
		//Shoot 2 rockets every second
		if(mouse_left&&RocketTime>0.5)
		{
			shoot_rocket(target.x);
			RocketTime=0;
		}
		RocketTime+=time_step/16;
		//Rotate to the mouse pointer
		vec_to_angle(my.pan,vec_diff(NULL,target.x,my.x));
		c_move(my,vector(3*(key_w-key_s),3*(key_a-key_d),0),vector(0,0,-1),GLIDE);
		wait(1);
	}
	
}

void main()
{
	fps_max=60;
	level_load("");
	//Let the mouse have influence
	mouse_mode=4;
	//Create the playground
	you=ent_create(CUBE_MDL,nullvector,NULL);
	you.scale_x=50;
	you.scale_y=50;
	set(you,POLYGON);
	//set camera position
	vec_set(camera.x,vector(0,0,500));
	camera.tilt=-90;
	//Create the player
	ent_create(CUBE_MDL,vector(0,0,10),playerEnt);
	on_mouse_right=create_barrel;
}