// Or preferably, an enum here
#define GrenadeType_Smoke 0
#define GrenadeType_Flash 1
#define GrenadeType_HE 2
#define GrenadeType_Molotov 3
#define GrenadeType_Decoy 4
#define GrenadeType_Count 5

native void ThrowGrenade(int client, int grenadeType,
    const float origin[3], const float angle[3],
    const float velocity[3], const float angularImpulse[3]);

forward Action OnThrowGrenade(int client, int grenadeType,
    const float origin[3], const float angle[3],
    const float velocity[3], const float angularImpulse[3]);