[panxiaohai]

Version A : Half Tracking (l4d_tankpower)
Tank's rock will trace you if it is very close to you， the tracking capability is weak

Video:
http://v.youku.com/v_show/id_XMjk1OTU3NDQ0.html

ConVars:
"l4d_tankpower_enable", "1", " 0:disable, 1:enable in coop mode, 2: enable in all mode "
"l4d_tankpower_rock_trace_chance", "70", "the chance of trace rock [0-100](int)"


Version B : Full Tracking (l4d_tracerock)
Tank's rock will trace survivor until hit something.the tracking capability is strong

Video:
http://v.youku.com/v_show/id_XMjk2NjIwMTQw.html

ConVars:
"l4d_tracerock_enable", "1", " 0:disable, 1:enable in coop mode, 2: enable in all mode "
"l4d_tracerock_chance", "30", "the chance of trace of rock [0-100](int)"
"l4d_tracerock_speed", "300", "trace rock 's speed"
"l4d_tracerock_health", "0", "set trace rock's health, 0:normal health , useless "

Do not use the two version together.

Requirement: SDK Hooks