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

#define PLUGIN "BHOP i multijump"
#define VERSION "1.0"
#define AUTHOR "AUTHOR"

#define FL_WATERJUMP    (1<<11)
#define FL_ONGROUND     (1<<9)

#pragma semicolon 1
#define ADMINACCESS ADMIN_CHAT


new VIP[ 33 ];
new jumpnum[33] = 0;
new bool:dojump[33] = false;



public plugin_init() {
	register_plugin(PLUGIN, VERSION, AUTHOR);

	RegisterHam(Ham_Spawn, "player", "Spawn", 1);
	register_cvar("amx_maxjumps","1");
	register_cvar("amx_mjadminonly","0");
}


public client_connect(id) {
	jumpnum[id] = 0;
	dojump[id] = false;
	VIP[id] = true;
}

public client_disconnect(id) {
	jumpnum[id] = 0;
	dojump[id] = false;
}



public Spawn(id)
{
	if(get_user_flags(id) & (VIP[id])  & is_user_alive(id)) client_PreThink(id);
	if(get_user_flags(id) & (VIP[id])  & is_user_alive(id)) client_PreThink2(id);
	if(get_user_flags(id) & (VIP[id])  & is_user_alive(id)) client_PostThink(id);
}



public client_PreThink(id) {
	if(VIP[id]) {
		entity_set_float(id, EV_FL_fuser2, 0.0);
		if(entity_get_int(id, EV_INT_button) & 2) {
			new flags = entity_get_int(id, EV_INT_flags);
			if(flags & FL_WATERJUMP) return PLUGIN_CONTINUE;
			if(entity_get_int(id, EV_INT_waterlevel) >= 2 ) return PLUGIN_CONTINUE;
			if(!(flags & FL_ONGROUND)) return PLUGIN_CONTINUE;
			new Float:velocity[3];
			entity_get_vector(id, EV_VEC_velocity, velocity);
			velocity[2] += 250.0;
			entity_set_vector(id, EV_VEC_velocity, velocity);
			entity_set_int(id, EV_INT_gaitsequence, 6);
		}
	}
	return PLUGIN_CONTINUE;
}

public client_PreThink2(id)
{
	if(VIP[id]) {
		if(!is_user_alive(id)) return PLUGIN_CONTINUE;
		if(get_cvar_num("amx_mjadminonly") && (!access(id,ADMINACCESS))) return PLUGIN_CONTINUE;
		new nbut = get_user_button(id);
		new obut = get_user_oldbutton(id);
		if((nbut & IN_JUMP) && !(get_entity_flags(id) & FL_ONGROUND) && !(obut & IN_JUMP))
		{
			if(jumpnum[id] < get_cvar_num("amx_maxjumps"))
			{
				dojump[id] = true;
				jumpnum[id]++;
				return PLUGIN_CONTINUE;
			}
		}
		if((nbut & IN_JUMP) && (get_entity_flags(id) & FL_ONGROUND))
		{
			jumpnum[id] = 0;
			return PLUGIN_CONTINUE;
		}
		return PLUGIN_CONTINUE;
	}
	return PLUGIN_CONTINUE;
}


public client_PostThink(id)
{
	if(VIP[id]) {
		if(!is_user_alive(id)) return PLUGIN_CONTINUE;
		if(get_cvar_num("amx_mjadminonly") && (!access(id,ADMINACCESS))) return PLUGIN_CONTINUE;
		if(dojump[id] == true)
		{
			new Float:velocity[3];
			entity_get_vector(id,EV_VEC_velocity,velocity);
			velocity[2] = random_float(265.0,285.0);
			entity_set_vector(id,EV_VEC_velocity,velocity);
			dojump[id] = false;
			return PLUGIN_CONTINUE;
		}
		return PLUGIN_CONTINUE;
	}
	return PLUGIN_CONTINUE;
}