武器擊退力設定（已修复不能击退BOT的BUG）

使用指令：武器擊退力設定 (無擊退效果=-1 , 擊退力減半=0.5 , 擊退力雙倍=2.0)

weap_p228_knockback -1.0
weap_scout_knockback -1.0
weap_xm1014_knockback -1.0
weap_mac10_knockback -1.0
weap_aug_knockback -1.0
weap_elite_knockback -1.0
weap_fiveseven_knockback -1.0
weap_ump45_knockback -1.0
weap_sg550_knockback -1.0
weap_galil_knockback -1.0
weap_famas_knockback -1.0
weap_usp_knockback -1.0
weap_glock18_knockback -1.0
weap_awp_knockback -1.0
weap_mp5navy_knockback -1.0
weap_m249_knockback -1.0
weap_m3_knockback -1.0
weap_m4a1_knockback -1.0
weap_tmp_knockback -1.0
weap_g3sg1_knockback -1.0
weap_deagle_knockback -1.0
weap_sg552_knockback -1.0
weap_ak47_knockback -1.0
weap_knife_knockback -1.0
weap_p90_knockback -1.0

武器的擊退程度基本是以所造成的傷害程度為準
武器造成的傷害越大,擊退的力道越大,
而上面的擊退力設定數值則是擊退的力的放大倍率
設定數值小於 1.0 則擊退力減少,大於 1.0 則擊退力增加, 設為 1.0 則是不變

安裝路徑：amxx 放 plugins , sma 放 scripting