Duck and Cover

#define NAME SCRIPT_fuwochengjg
variable Only_Once:=0;



#define NPC_REACTION_TYPE REACTION_C

#include "..\headers\define.h"

#include "..\headers\command.h"





procedure start;
procedure timed_event_p_proc;
procedure old_pickup_p_proc;


procedure start begin

if anim_busy(self_obj)==false then
begin
float_msg(self_obj, "a1", FLOAT_COLOR_NORMAL);
add_timer_event(self_obj,game_ticks(5),1);
end
end




procedure old_pickup_p_proc begin
end

procedure timed_event_p_proc begin

if anim_busy(self_obj)==false then
begin
if(fixed_param == 1) then begin float_msg(self_obj, "a4", FLOAT_COLOR_NORMAL);
add_timer_event(self_obj,game_ticks(5),2);
end
add_timer_event(self_obj,game_ticks(5),2);
end if (fixed_param == 2) then begin float_msg(self_obj, "a5", FLOAT_COLOR_NORMAL);
add_timer_event(self_obj,game_ticks(5),3);
end if (fixed_param == 3) then begin float_msg(self_obj, "a6", FLOAT_COLOR_NORMAL);
end
end
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I want to make a circle from "a4" to "a6" constantly,but at last npc can only say "a5",can you tell me why?

#define NAME SCRIPT_fuwochengjg
variable Only_Once:=0;



#define NPC_REACTION_TYPE REACTION_C

#include "..\headers\define.h"

#include "..\headers\command.h"





procedure start;
procedure timed_event_p_proc;
procedure old_pickup_p_proc;


procedure start begin

if anim_busy(self_obj)==false then
begin
float_msg(self_obj, "a1", FLOAT_COLOR_NORMAL);
add_timer_event(self_obj,game_ticks(5),1);
end
end




procedure old_pickup_p_proc begin
end

procedure timed_event_p_proc begin
if anim_busy(self_obj)==false then begin
if(fixed_param == 1) then begin float_msg(self_obj, "a4", FLOAT_COLOR_NORMAL);
add_timer_event(self_obj,game_ticks(5),2);
end
if (fixed_param == 2) then begin float_msg(self_obj, "a5", FLOAT_COLOR_NORMAL);
add_timer_event(self_obj,game_ticks(5),3);
end
if (fixed_param == 3) then begin float_msg(self_obj, "a6", FLOAT_COLOR_NORMAL);
add_timer_event(self_obj,game_ticks(5),1);
end
end
end
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I have corrected it