[panxiaohai]

Another version of Special Weapon;

Mini Cannon: E+Fire
Electromagnetic Cannon: Duck+E+Fire
Flamethrower:Walk+E+Fire

"l4d_dangerous_enable", "1", " 0:disable, 1:enable in coop mode, 2: enable in all mode "
"l4d_dangerous_message", "3", "how many times to display usage information ,0 disable "
"l4d_dangerous_safe", "1", "1:more safe to use"

"l4d_dangerous_power_rifle", "1.1", "power of rifle 0.0: disable [0.0, 3.0]"
"l4d_dangerous_power_sniper", "1.8", " "
"l4d_dangerous_power_shotgun", "0.8", " "
"l4d_dangerous_power_magnum", "1.5", " "
"l4d_dangerous_power_smg", "0.5", ""

"l4d_dangerous_drop_ci", "10.0", "drop chance for common infected"
"l4d_dangerous_drop_si", "30.0", "drop chance for special infected"
"l4d_dangerous_drop_pickupcount", "3", "bullet count for every pick up "

"l4d_dangerous_damage_hit", "300.0", "direct hit damage"
"l4d_dangerous_damage_explode", "300.0", "explode damage"
"l4d_dangerous_damage_radius", "200.0", "explode radius"
"l4d_dangerous_particle", "1", "1:show particle , 0: disable"
"l4d_dangerous_connon_catchfire", "0", "1:firing connon, 0: disable"

"l4d_dangerous_flame_damage", "20.0", "flame damage"
"l4d_dangerous_flame_length", "250.0", "flame length"
"l4d_dangerous_flame_duration", "5.0", "flame duration"

"l4d_dangerous_pickup_mode", "1", "1: pick up mode 2:direct give mode"

"l4d_dangerous_mode_connon", "1", "1: enable Mini Cannon, 0: disable"
"l4d_dangerous_mode_electromagnetic", "1", "1: enable Electromagnetic Cannon, 0: disable"
"l4d_dangerous_mode_flamethrower", "0", "1: enable Flamethrower, 0: disable"

Update:
version 1.1
Add some convars:
"l4d_dangerous_mode_connon", "1", "1: enable Mini Cannon, 0: disable"
"l4d_dangerous_mode_electromagnetic", "1", "1: enable Electromagnetic Cannon, 0: disable"
"l4d_dangerous_mode_flamethrower", "0", "1: enable Flamethrower, 0: disable"