Difference between revisions of "Game control"
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(Initial docs for experimental game_control event) |
(change game_control signature to use bitfields instead of lists for buttons) |
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{{LSL_Event|event_id=40|event_delay|event=game_control | {{LSL_Event|event_id=40|event_delay|event=game_control | ||
|p1_type=key|p1_name=id|p1_desc=avatar UUID | |p1_type=key|p1_name=id|p1_desc=avatar UUID | ||
|p2_type=list|p2_name= | |p2_type=list|p2_name=button_levels|p2_desc=bitfield of buttons held down | ||
|p3_type=list|p3_name= | |p3_type=list|p3_name=button_edges|p3_desc=bitfield of buttons that have changed | ||
|p4_type=list|p4_name= | |p4_type=list|p4_name=axes|p4_desc=list of axes values in range [-1, 1] | ||
|event_desc='''Experimental''' event only available in some testing regions (soon). Triggered when compatible viewer sends fresh '''GameControlInput''' message, but only for scripts on attachments or seat. | |event_desc='''Experimental''' event only available in some testing regions (soon). Triggered when compatible viewer sends fresh '''GameControlInput''' message, but only for scripts on attachments or seat. | ||
|constants={{LSL_Constants/GameControlInputs}} | |constants={{LSL_Constants/GameControlInputs}} | ||
|spec | |spec | ||
|caveats=* If enabled at the client: unhandled keystrokes will be treated as button presses. | |caveats=* If enabled at the client: unhandled keystrokes will be treated as button presses. | ||
* There | * There is room for 32 buttons [bits 0 through 31] however at most only 16 buttons can be simultaneously held down at any one time. | ||
* ''' | * '''button_edges''' is computed using old an new '''button_levels''' between events, not between when the data arrives by network packet from the client. If the script is unable to process events fast enough then some rapid down-up or up-down edges may be lost. | ||
* There are always 6 '''axes''' values, even when the controller device has more or less | * There are always 6 '''axes''' values, even when the controller device has more or less | ||
** All '''axes''' elements will be in range [-1,1] except for '''GAME_CONTROL_AXIS_TRIGGERLEFT''' and '''GAME_CONTROL_AXIS_TRIGGERRIGHT''' which range [0, 1] | ** All '''axes''' elements will be in range [-1,1] except for '''GAME_CONTROL_AXIS_TRIGGERLEFT''' and '''GAME_CONTROL_AXIS_TRIGGERRIGHT''' which range [0, 1] | ||
Revision as of 17:02, 18 October 2023
| LSL Portal | Functions | Events | Types | Operators | Constants | Flow Control | Script Library | Categorized Library | Tutorials |
Description
Event: game_control( key id, list button_levels, list button_edges, list axes ){ ; }| 40 | Event ID |
Experimental event only available in some testing regions (soon). Triggered when compatible viewer sends fresh GameControlInput message, but only for scripts on attachments or seat.
| • key | id | – | avatar UUID | |
| • list | button_levels | – | bitfield of buttons held down | |
| • list | button_edges | – | bitfield of buttons that have changed | |
| • list | axes | – | list of axes values in range [-1, 1] |
Template:LSL Constants/GameControlInputs
Caveats
- If enabled at the client: unhandled keystrokes will be treated as button presses.
- There is room for 32 buttons [bits 0 through 31] however at most only 16 buttons can be simultaneously held down at any one time.
- button_edges is computed using old an new button_levels between events, not between when the data arrives by network packet from the client. If the script is unable to process events fast enough then some rapid down-up or up-down edges may be lost.
- There are always 6 axes values, even when the controller device has more or less
- All axes elements will be in range [-1,1] except for GAME_CONTROL_AXIS_TRIGGERLEFT and GAME_CONTROL_AXIS_TRIGGERRIGHT which range [0, 1]
Examples
print_list(string name, integer type, list data)
{
integer data_length = llGetListLength(data);
string text = name + " : ";
if (data_length > 0)
{
integer use_comma = FALSE;
integer i = 0;
for (i = 0; i < data_length; i++)
{
if (!use_comma)
{
use_comma = TRUE;
}
else
{
text += ",";
}
if (type == TYPE_INTEGER)
{
integer b = (llList2Integer(data, i));
text += (string)(b);
llOwnerSay("pack i=" + (string)(i) + " b=" + (string)(b));
}
else if (type == TYPE_FLOAT)
{
text += (string)(llList2Float(data, i));
}
}
}
llOwnerSay(text);
}
default
{
state_entry()
{
llOwnerSay("attach or sit");
}
game_control(key id, list buttons_down_edge, list buttons_up_edge, list buttons_down, list axes)
{
llOwnerSay("game_control :");
print_list(" edge_down", TYPE_INTEGER, buttons_down_edge);
print_list(" edge_up", TYPE_INTEGER, buttons_up_edge);
print_list(" down", TYPE_INTEGER, buttons_down);
print_list(" axes", TYPE_FLOAT, axes);
}
}
See Also
Events
| • | control |
Deep Notes
Signature |
|---|
event void game_control( key id, list button_levels, list button_edges, list axes ); |