/* 
HL Model Flinger
Code Used From Ludwig's Roll The Dice Plugin
 */

#include <amxmodx>
#include <amxmisc>
#include <engine>
#include <fun>

#define PLUGIN "HL Model Flinger"
#define VERSION "1.0"
#define AUTHOR "Rara Avis"

new headcrab

public plugin_init() {
	register_plugin(PLUGIN, VERSION, AUTHOR)
	register_concmd("m_headcrabs", "m_headcrabs", 0, "<on|off> Flings Headcrabs")
}

public plugin_precache(){
	headcrab = precache_model("models/headcrab.mdl")
	return PLUGIN_CONTINUE 
}

public m_headcrabs(id){ 

	if(!is_user_alive(id))
		return PLUGIN_HANDLED; // always use this return for console commands that you make

	new vec[3] 
	new aimvec[3] 
	new velocityvec[3] 
	new length 	 
	new speed = 800 
	get_user_origin(id,vec) 
	get_user_origin(id,aimvec,2) 

	velocityvec[0]=aimvec[0]-vec[0] 
	velocityvec[1]=aimvec[1]-vec[1] 
	velocityvec[2]=aimvec[2]-vec[2] 

	length=(velocityvec[0]*velocityvec[0]+velocityvec[1]*velocityvec[1]+velocityvec[2]*velocityvec[2]) 

	velocityvec[0]=velocityvec[0]*speed/length 
	velocityvec[1]=velocityvec[1]*speed/length 
	velocityvec[2]=velocityvec[2]*speed/length 

	message_begin(MSG_BROADCAST,SVC_TEMPENTITY) 
	write_byte(106) 
	write_coord(vec[0])
	write_coord(vec[1]) 
	write_coord(vec[2]+20) 
	write_coord(velocityvec[0])
	write_coord(velocityvec[1]) 
	write_coord(velocityvec[2]+100) 
	write_angle (0) 
	write_short (headcrab) 
	write_byte (2) 
	write_byte (255) 
	message_end() 

	set_task(0.5 , "m_headcrabs" , id , _ , _ , "a" , 25);
	// repeat this function on 'id' 25 times at 0.5 second intervals

	return PLUGIN_HANDLED; // always remember to add a return at the end
}