function Trig_Antimagic_wall_Conditions takes nothing returns boolean
    return GetSpellAbilityId()=='A006'
endfunction

function NoSpell takes nothing returns nothing
    local unit wall=i2u(GetStoredInteger(udg_cache,I2S(h2i(GetExpiredTimer())),"wall"))
    call UnitRemoveBuffs(wall,true,true)
    set wall=null
endfunction

function UnSpell_Check takes nothing returns boolean
    local trigger t=GetTriggeringTrigger()
    local string st=I2S(h2i(t))
    local real x=GetStoredReal(udg_cache,st,"x")
    local real y=GetStoredReal(udg_cache,st,"y")
    local real x1=GetStoredReal(udg_cache,st,"x1")
    local real y1=GetStoredReal(udg_cache,st,"y1")
    local real xc=GetUnitX(GetTriggerUnit())
    local real yc=GetUnitY(GetTriggerUnit())
    local real xu=GetUnitX(GetSpellTargetUnit())
    local real yu=GetUnitY(GetSpellTargetUnit())
    call echo("CHECK")
 return IsLinesCrossed(x,y,x1,y1,xc,yc,xu,yu)
endfunction

function UnSpell takes nothing returns nothing
    call echo("SPELL")
endfunction

function Trig_Antimagic_wall_Actions takes nothing returns nothing
    local unit wall=CreateUnit(GetTriggerPlayer(),'h002',GetLocationX(GetSpellTargetLoc()),GetL  ocationY(GetSpellTargetLoc()),GetUnitFacing(GetTriggerUnit())-45)
    local timer ti=CreateTimer()
    local trigger spell=CreateTrigger()
    local string ss=I2S(h2i(spell))
    local real x=MoveX(GetUnitX(wall),300,GetUnitFacing(wall)-45)
    local real y=MoveY(GetUnitY(wall),300,GetUnitFacing(wall)-45)
    local real x1=MoveX(GetUnitX(wall),300,(GetUnitFacing(wall)-45)-180)
    local real y1=MoveY(GetUnitY(wall),300,(GetUnitFacing(wall)-45)-180)
    call StoreReal(udg_cache,ss,"x",x)
    call StoreReal(udg_cache,ss,"y",y)
    call StoreReal(udg_cache,ss,"x1",x1)
    call StoreReal(udg_cache,ss,"y1",y1)
    call TriggerRegisterAnyUnitEventBJ(spell,EVENT_PLAYER_UNIT_SPELL_CAST)
    call TriggerAddCondition(spell,Condition(function UnSpell_Check))
    call TriggerAddAction(spell,function UnSpell)
    call StoreInteger(udg_cache,I2S(h2i(ti)),"wall",h2i(wall))
    call TimerStart(ti,0.1,true,function NoSpell)
endfunction

function InitTrig_Antimagic_wall takes nothing returns nothing
    set gg_trg_Antimagic_wall=CreateTrigger()
    call TriggerRegisterAnyUnitEventBJ(gg_trg_Antimagic_wall,EVENT_PLAYER_UNIT_SPELL_EFFE  CT)
    call TriggerAddCondition(gg_trg_Antimagic_wall,Condition(function Trig_Antimagic_wall_Conditions))
    call TriggerAddAction(gg_trg_Antimagic_wall,function Trig_Antimagic_wall_Actions)
endfunction

function IsLinesCrossed takes real xb1,real yb1,real xe1,real ye1,real xb2,real yb2,real xe2,real ye2 returns boolean
local real a1=xe1-xb1
local real b1=ye1-yb1
local real a2=xe2-xb2
local real b2=ye2-yb2
local real p=((xb2-xb1)*b1-(yb2-yb1)*a1)/(a2*b1-a1*b2)
local real x=0
local real y=0
 if a2*b1-a1*b2!=0 then
   set x=xb2+a2*p
   set y=yb2+b2*p
 endif
return x>=RMinBJ(xb1,xe1) and x>=RMinBJ(xb2,xe2) and x<=RMaxBJ(xb1,xe1) and x<=RMaxBJ(xb2,xe2) and y>=RMinBJ(yb1,ye1) and y>=RMinBJ(yb2,ye2) and y<=RMaxBJ(yb1,ye1) and y<=RMaxBJ(yb2,ye2)
endfunction

function Orient takes real ax, real ay, real bx, real by, real cx, real cy returns real
 return (ax-cx)*(by-cy)-(ay-cy)*(bx-cx)
endfunction

function IsLinesCrossed takes real ax1,real ay1,real ax2,real ay2,real bx1,real by1,real bx2,real by2 returns boolean
local real bb=Orient(ax1,ay1,ax2,ay2,bx2,by2)*Orient(ax1,ay1,ax2,ay2,bx1,by1)
local real ba=Orient(bx1,by1,ax2,ay2,ax1,ay1)*Orient(bx1,by1,ax2,ay2,bx2,by2)
local real ab=Orient(ax1,ay1,bx1,by1,bx2,by2)*Orient(ax1,ay1,bx1,by1,ax2,ay2)
return (bb<0) and (ba>0) and (ab>0)
endfunction

function IsLinesCrossed takes real xb1,real yb1,real xe1,real ye1,real xb2,real yb2,real xe2,real ye2 returns boolean
local real X=(ye1-yb1)*(xb2-xe2)-(yb2-ye2)*(xe1-xb1)
local real Y=(ye1-yb1)*(xb2-xb1)-(yb2-yb1)*(xe1-xb1)
local real Z=(yb2-yb1)*(xb2-xe2)-(yb2-ye2)*(xb2-xb1)
local real Ua=Y/X
local real Ub=Z/X
 return 0<=Ua and Ua<=1 and 0<=Ub and Ub<=1
endfunction