// Gun script
// John Linden
// where the gun attaches itself if you click on it
// switch this to ATTACH_LHAND if you are left-handed
integer gAttachPart = ATTACH_RHAND;
// this is a permission combination we check for many times
// I define it here so we don't have to keep typing it
// guns need to take controls, attach themselves, and possibly
// trigger animations
// NOTE: since I can't initialize to an expression (even if it is
// all constants), this moved to default { state_entry() }
integer gDesiredPerm;
// Indicates whether wearer has yet given permission
integer gHavePermissions;
// Bullet travel speed
float gBulletSpeed = 40.0;
// when we last fired a shot
float gLastFireTime = 0;
// how long it takes to reload when tapping
float gTapReloadTime = 0.05;
// how long it takes to reload when holding
float gHoldReloadTime = 0.5;
// how long it takes when we're out of ammo
float gOutOfAmmoReloadTime = 1.5;
// how many shots before reload is necessary
integer gAmmoClipSize = 7;
// how much ammo we have right now
integer gAmmo;
string Bullet="blitz";
// HACK: how far away the eye is from the avatar's center (approximately)
vector gEyeOffset = <0.0, 0.0, 0.75>;
integer Handle1;
integer Handle2;
integer Handle3;
say(string msg)
{
llSay(0, msg);
}
debug(string msg)
{
// llSay(0, msg);
}
func_debug(string msg)
{
// llSay(0, msg);
}
// the gun has only one state
default
{
on_rez(integer start_param)
{
llListenRemove(Handle1);
llListenRemove(Handle2);
llListenRemove(Handle3);
Handle1 = llListen(0,"",llGetOwner(),"blitz"
;Handle2 = llListen(0,"",llGetOwner(),"orbit"
;Handle3 = llListen(0,"",llGetOwner(),"pull"
;gAmmo = gAmmoClipSize;
func_debug("on_rez"
;vector size = llGetAgentSize(llGetOwner());
gEyeOffset.z = gEyeOffset.z * (size.z / 2.0);
llOwnerSay("Press 'M' to enter mouslook and the mouse button to fire"
;llOwnerSay("'blitz', 'orbit', 'pull', type eatch to change modes, 'holster','unholster', to holster/unholster weapon"
;}
state_entry()
{
llListenRemove(Handle1);
llListenRemove(Handle2);
llListenRemove(Handle3);
Handle1 = llListen(0,"",llGetOwner(),"blitz"
;Handle2 = llListen(0,"",llGetOwner(),"orbit"
;Handle3 = llListen(0,"",llGetOwner(),"pull"
;func_debug("default state_entry"
;gHavePermissions = FALSE;
gDesiredPerm = (PERMISSION_TAKE_CONTROLS
| PERMISSION_TRIGGER_ANIMATION);
gAmmo = gAmmoClipSize;
llResetTime();
}
listen (integer channel, string name, key id, string message)
{
string temp_message = llToUpper(message);
integer strlong = llStringLength(message);
if(message=="blitz"
{
Bullet="blitz";
llOwnerSay("blitz enabled"
;}
if(message=="orbit"
{
Bullet="orbit";
llOwnerSay("orbit enabled"
;}
if(message=="pull"
{
Bullet="pull";
llOwnerSay("pull enabled"
;}
}
// the player has touched us (left-clicked)
// give directions
touch_start(integer tnum)
{
}
// Player attaches us, either by dragging onto self or from pie menu
attach(key av_key)
{
func_debug("attach"
;if (av_key != NULL_KEY)
{
// Can't attach if we don't own it
if ( av_key != llGetOwner() )
{
return;
}
//
// Always request permissions on attach, as we may be re-rezzing on login
llRequestPermissions(av_key, gDesiredPerm);
// run_time_permissions() is executed after this call
} else
{
func_debug(" detach"
;if ( gHavePermissions )
{
// we are being detached
llStopAnimation("hold_R_handgun"
;llReleaseControls();
llSetRot(<0.0, 0.0, 0.0, 1.0>
;gHavePermissions = FALSE;
}
}
}
// this is called whenever llRequestPermissions() returns
// i.e. the user has responded or dismissed the dialog
// perm is the permissions we now have
run_time_permissions(integer perm)
{
func_debug("run_time_permissions"
;// see if we now have the permissions we need
if ( (perm & gDesiredPerm) == gDesiredPerm )
{
func_debug(" got perms"
;// we got the permissions we asked for
gHavePermissions = TRUE;
llTakeControls(CONTROL_ML_LBUTTON, TRUE, FALSE);
llStartAnimation("hold_R_handgun"
;} else
{
func_debug(" didn't get perms"
;// we didn't get them, kill ourselves
llDie();
}
}
// the player has used the controls, process them
control(key owner, integer level, integer edge)
{
func_debug("control"
;// has our gun reloaded?
float time = llGetTime();
// see if av has fired
// (edge & level) == down edges, (edge & !level) == up edges
// repeat rate is faster for tapping than holding
if ( ( ((edge & level) & CONTROL_ML_LBUTTON)
&& (time > gTapReloadTime) )
|| ( (time > gHoldReloadTime)
&& (level & CONTROL_ML_LBUTTON) ) )
{
// if player is out of ammo, must wait for reload
if ( (gAmmo >= 1) || (time > gOutOfAmmoReloadTime) )
{
// bang!
llTriggerSound("pistol_shot.wav", 1.0);
llResetTime(); // we fired, set timer back to 0
// HACK: gun shoots from gun pos, mouselook looks
// from player's eye, so we try to move the gun
// up to the eye. but we really don't
// know where it is, so we guess (see gEyeOffset)
vector my_pos = llGetPos() + gEyeOffset;
rotation my_rot = llGetRot();
vector my_fwd = llRot2Fwd(my_rot)*2.5;
// Rez a bullet!
llRezObject(Bullet,
my_pos+my_fwd,
my_fwd * gBulletSpeed,
my_rot,
0);
// decrease ammo count
--gAmmo;
if ( gAmmo > 0 )
{
// still bullets left
}
else if ( gAmmo == 0 )
{
// we just ran out of shots
// play reload sound here after a delay
llTriggerSound("pistol_reload.wav", 1.0);
llStartAnimation("reload"
;llSetTimerEvent(gOutOfAmmoReloadTime);
}
else // gAmmo < 0
{
// we've just fired first round of new clip
gAmmo = gAmmoClipSize - 1;
}
}
else
{
debug("Can't shoot, reloading..."
;}
}
} // control
timer()
{
gAmmo = gAmmoClipSize;
llSetTimerEvent(0);
}
} // default state
