Scripting Tutorial-07 - Revision history

Osgridadmin: /* Scripting Lesson #6 - Held August 25th, 2018 at Sandbox Plaza by Fu Barr */

2018-09-07T15:39:59Z

Scripting Lesson #6 - Held August 25th, 2018 at Sandbox Plaza by Fu Barr

← Older revision		Revision as of 15:39, 7 September 2018
Line 1:		Line 1:

	== Scripting Lesson #6 - Held August 25th, 2018 at Sandbox Plaza by Fu Barr ==		== Scripting Lesson #7 - Held August 25th, 2018 at Sandbox Plaza by Fu Barr ==
	<source lang="lsl">		<source lang="lsl">
	/*		/*

Osgridadmin: /* Scripting Lesson #6 - Held August 25th, 2018 at Sandbox Plaza by Fu Barr */

2018-08-31T00:56:21Z

Scripting Lesson #6 - Held August 25th, 2018 at Sandbox Plaza by Fu Barr

@@ Line 313: / Line 313: @@
   [11:53]  Fu Barr: if all went well
 <source lang="lsl">
-Removing '//' slashes Line 33 Results:
+//Removing '//' slashes Line 33 Results:
 Object: running: New Script
@@ Line 373: / Line 373: @@
   [12:05]  Fu Barr: you should see more stuff fly past now
   [12:05]  Data tube: running: Fu's data examples v0.1
   [12:05]  Fu Barr: list_dump is a very short state. not a lot of code... but it does some important stuff.
   [12:06]  Fu Barr: what it does is it takes the contents of all the variables and sticks in a a list. it's like taking zip locks worth stuff inside and then putting it in a bag.
@@ Line 419: / Line 427: @@
   [12:18]  Fu Barr: remove the // from line 74 and save - you'll see a LOT of stuff go past - take a minute to look at it.
   [12:18]  Data tube: running: Fu's data examples v0.1
   [12:18]  Fu Barr: this state shows some of the basic things you can do with the data in a list
   [12:18]  Arielle Popstar: where  do i  see  this  stuff  go  past
@@ Line 559: / Line 604: @@
   [12:49]  Fu Barr: uncomment 137 (//state map)
   [12:49]  Fu Barr: save and look at the chat results
   [12:50]  Total Sorbet: line 132 for me
   [12:50]  Data tube: running: Fu's data examples v0.1

Osgridadmin: /* Scripting Lesson #6 - Held August 25th, 2018 at Sandbox Plaza by Fu Barr */

2018-08-31T00:49:11Z

Scripting Lesson #6 - Held August 25th, 2018 at Sandbox Plaza by Fu Barr

← Older revision		Revision as of 00:49, 31 August 2018
Line 280:		Line 280:
	[11:44] BrokeDoll Key: Winding...		[11:44] BrokeDoll Key: Winding...
	[11:44] BrokeDoll Key: Thank you for winding me.		[11:44] BrokeDoll Key: Thank you for winding me.
	[11:44] Fu Barr: LSL/OSSL provides you with a large amount of ways to ~~hand~~ yourself, or cut your fingers - as you prefer - with regards to data.		[11:44] Fu Barr: LSL/OSSL provides you with a large amount of ways to hang yourself, or cut your fingers - as you prefer - with regards to data.
	[11:45] Fu Barr: time we had a looksey at some of it.		[11:45] Fu Barr: time we had a looksey at some of it.
	~~[11:45] Fu Barr: *hang~~
	[11:45] Verna Avril: i will make a tube		[11:45] Verna Avril: i will make a tube
	[11:45] Fu Barr: please look at the top of the script.. lines 7 to 16		[11:45] Fu Barr: please look at the top of the script.. lines 7 to 16
	[11:46] Fu Barr: the first bit should be familiar to all - these are examples of the common data types you see in just aout every script out there		[11:46] Fu Barr: the first bit should be familiar to all - these are examples of the common data types you see in just aout every script out there
	[11:46] Fu Barr: I've left one data type out of our discussion - the rotation		[11:46] Fu Barr: I've left one data type out of our discussion - the rotation
	[11:46] Fu Barr: it's far to complicated for this set of classes.		[11:46] Fu Barr: it's far too complicated for this set of classes.
	~~[11:46] Fu Barr: *too~~
	[11:47] Fu Barr: it has to do with doing 3D math and rotating stuff in 3D.		[11:47] Fu Barr: it has to do with doing 3D math and rotating stuff in 3D.
	[11:47] Fu Barr: but if you're not doing any of that stuff... well you don't need it. and if you are... chances are you don't need this introductory class...		[11:47] Fu Barr: but if you're not doing any of that stuff... well you don't need it. and if you are... chances are you don't need this introductory class...
Line 314:		Line 312:
	[11:53] Fu Barr: please remove the // and save the script - it will run to the next state and you'll see stuff on your chat		[11:53] Fu Barr: please remove the // and save the script - it will run to the next state and you'll see stuff on your chat
	[11:53] Fu Barr: if all went well		[11:53] Fu Barr: if all went well
			<source lang="lsl">
			Removing '//' slashes Line 33 Results:

			Object: running: New Script
			Object: msg1: integer: 1, float: 5.000000, uuid: ae1968e2-2bf0-4e33-a487-ab54f6ab39b7, name: albertlr Landar, colour: <1.000000, 1.000000, 1.000000>
			Object: msg2: integer: 1, float: 5.000000, uuid: ae1968e2-2bf0-4e33-a487-ab54f6ab39b7, name: albertlr Landar, colour: <1.000000, 1.000000, 1.000000>
			</source>
	[11:54] Fu Barr: the script now moves to the 'data_dump' state		[11:54] Fu Barr: the script now moves to the 'data_dump' state
	[11:54] Fu Barr: and you should have seen the 5 variables and their data displayed		[11:54] Fu Barr: and you should have seen the 5 variables and their data displayed

Osgridadmin: /* Scripting Lesson #6 - Held August 25th, 2018 at Sandbox Plaza by Fu Barr */

2018-08-31T00:39:05Z

Scripting Lesson #6 - Held August 25th, 2018 at Sandbox Plaza by Fu Barr

Show changes

Osgridadmin: Created page with " == Scripting Lesson #6 - Held August 25th, 2018 at Sandbox Plaza by Fu Barr == /* Data - some examples (c)2018 Fu Barr @OSgrid */ // Data types:..."

2018-08-30T23:06:36Z

New page

== Scripting Lesson #6 - Held August 25th, 2018 at Sandbox Plaza by Fu Barr ==
<source lang="lsl">
/*
Data - some examples

(c)2018 Fu Barr @OSgrid
*/

// Data types: integer, float, key, string, vector (rotation)
integer DEBUG = TRUE;

float seconds = 5.0;
key uuid;

string name;
vector colour = <1, 1, 1>; // <r, g, b>

// Data structure: list
list config;

default {

on_rez(integer r){

llResetScript(); // Health and Safety regulations demand this.
}

state_entry() {

llOwnerSay("running: " + llGetScriptName());

// 0. now that we're running, get some relevant data
uuid = llGetOwner();
name = llGetDisplayName(uuid);

//state data_dump;
}
}

state data_dump {

state_entry() {

if(DEBUG) {

string msg1 = "integer: " + (string) DEBUG;
msg1 += ", float: " + (string) seconds;
msg1 += ", uuid: " + uuid;
msg1 += ", name: " + name;
msg1 += ", colour: " + (string) colour;

string msg2 = "integer: " + (string) DEBUG
+ ", float: " + (string) seconds
+ ", uuid: " + uuid
+ ", name: " + name
+ ", colour: " + (string) colour;

llOwnerSay("msg1: " + msg1);
llOwnerSay("msg2: " + msg2);
}

//state list_dump;
}
}

state list_dump {

state_entry() {

// 0. Copy the data values from above into the empty list and show them
config = [DEBUG, seconds, uuid, name, colour];

string dump = llDumpList2String(config, ", ");

llOwnerSay("list dump: " + dump);

//state list_operations;
}
}

state list_operations {

state_entry() {

// 0. setup loop variables and loop through list
integer i = 0;
integer list_end = llGetListLength(config);

while (i < list_end) {

llOwnerSay("list at index(" + (string) i + ") " + llList2String(config, i));

i++;
}

// 1. copy original data into new list and add more data to end of new list
list config2 = config;

config2 += "another string";
config2 += 3.14;

i = 0;
list_end = llGetListLength(config2);

while (i < list_end) {

llOwnerSay("list at index(" + (string) i + ") " + llList2String(config2, i));

i++;
}

// 2. retrieve item at index(2) and replace with new data
key item = llList2Key(config2, 2);

config2 = llListReplaceList(config2, [llGetKey(), llGetTexture(0)], 2, 2);

i = 0;
list_end = llGetListLength(config2);

while (i < list_end) {

llOwnerSay("list at index(" + (string) i + ") " + llList2String(config2, i));

i++;
}

// 3. re-insert old item 2 at position 4
config2 = llListInsertList(config2, item, 4);

i = 0;
list_end = llGetListLength(config2);

while (i < list_end) {

llOwnerSay("list at index(" + (string) i + ") " + llList2String(config2, i));

i++;
}

//state map;
}
}

state map {

state_entry() {

/*
A map is a classic datastructure where data values are 'mapped' on to named keys.

Values can be anything, keys need to be unique.

Typically, a map looks like this:

key1 = valueX
key2 = valueY
key3 = ValueZ
...
*/

// 0. Add a 2nd list of setting names to setup the keys for the existing config data list,
// then loop the two lists to show the mapping.
list settings = ["DEBUG", "seconds", "uuid", "name", "colour"];

integer i = 0;
integer list_end = llGetListLength(settings);

while (i < list_end) {

llOwnerSay("map key:value pair " + llList2String(settings, i) + ":" + llList2String(config, i));

i++;
}

// 1. Find index of a particular setting and then print its current value
string setting = "colour";

i = llListFindList(settings, [setting]);

llOwnerSay("map lookup result: " + setting + ":" + llList2String(config, i));

// 2. Now for something different: setting up a single strided list to use as the map.
list strided_list = [];

i = 0;

while(i < list_end) {

strided_list += llList2String(settings, i);
strided_list += llList2List(config, i, i);

i++;
}

llOwnerSay("map strided list: " + llDumpList2String(strided_list, ", "));

// 3. pick a key:value pair from the new strided list-based map
llOwnerSay("map strided list lookup result: " + setting + ":" +
llList2String(strided_list, llListFindList(strided_list, [setting]) + 1)
);
}
}
</source>