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# Line 15  Line 15 
15    
16      <h2>Built-In Functions</h2>      <h2>Built-In Functions</h2>
17      <p>      <p>
18        These are the built-in functions available with the NKSP realt-time        These are the built-in functions available with the NKSP real-time
19        instrument script language.        instrument script language.
20      </p>      </p>
21    
# Line 28  Line 28 
28          <th>Function</th> <th>Description</th>          <th>Function</th> <th>Description</th>
29        </tr>        </tr>
30        <tr>        <tr>
31            <td><code lang="nksp">abort()</code></td>
32            <td>Stops execution of a script callback.</td>
33          </tr>
34          <tr>
35            <td><code lang="nksp">array_equal()</code></td>
36            <td>Check whether two arrays are equal.</td>
37          </tr>
38          <tr>
39            <td><code>fork()</code></td>
40            <td>Creates new execution instances.</td>
41          </tr>
42          <tr>
43            <td><code lang="nksp">dec()</code></td>
44            <td>Decrements the passed integer variable by one.</td>
45          </tr>
46          <tr>
47            <td><code>inc()</code></td>
48            <td>Increments the passed integer variable by one.</td>
49          </tr>
50          <tr>
51            <td><code>in_range()</code></td>
52            <td>Checks whether a value is between two other values.</td>
53          </tr>
54          <tr>
55          <td><code lang="nksp">message()</code></td>          <td><code lang="nksp">message()</code></td>
56          <td>Prints text to the sampler's terminal.</td>          <td>Prints text to the sampler's terminal.</td>
57        </tr>        </tr>
58        <tr>        <tr>
59            <td><code>search()</code></td>
60            <td>Search for a certain value within an array.</td>
61          </tr>
62          <tr>
63            <td><code>sort()</code></td>
64            <td>Sort the given array.</td>
65          </tr>
66          <tr>
67          <td><code>exit()</code></td>          <td><code>exit()</code></td>
68          <td>Stops execution of the current event handler instance.</td>          <td>Stops execution of the current event handler instance.</td>
69        </tr>        </tr>
# Line 40  Line 72 
72          <td>Pauses execution for a certain amount of time.</td>          <td>Pauses execution for a certain amount of time.</td>
73        </tr>        </tr>
74        <tr>        <tr>
75            <td><code>stop_wait()</code></td>
76            <td>Resumes execution of a suspended script callback.</td>
77          </tr>
78          <tr>
79          <td><code>abs()</code></td>          <td><code>abs()</code></td>
80          <td>Calculates the absolute value of a given value.</td>          <td>Calculates the absolute value of a given value.</td>
81        </tr>        </tr>
# Line 48  Line 84 
84          <td>Random number generator.</td>          <td>Random number generator.</td>
85        </tr>        </tr>
86        <tr>        <tr>
87            <td><code>min()</code></td>
88            <td>Calculates the minimum value of two given values.</td>
89          </tr>
90          <tr>
91            <td><code>max()</code></td>
92            <td>Calculates the maximum value of two given values.</td>
93          </tr>
94          <tr>
95          <td><code>num_elements()</code></td>          <td><code>num_elements()</code></td>
96          <td>Returns the size of the requested array variable.</td>          <td>Returns the size of the requested array variable.</td>
97        </tr>        </tr>
98          <tr>
99            <td><code>sh_left()</code></td>
100            <td>Calculates a left bit shifted value.</td>
101          </tr>
102          <tr>
103            <td><code>sh_right()</code></td>
104            <td>Calculates a right bit shifted value.</td>
105          </tr>
106      </table>      </table>
107            
108      <h3>Common Sampler Functions</h3>      <h3>Common Sampler Functions</h3>
# Line 67  Line 119 
119          <td>Triggers a new note.</td>          <td>Triggers a new note.</td>
120        </tr>        </tr>
121        <tr>        <tr>
122            <td><code>change_note()</code></td>
123            <td>Change MIDI note number of note.</td>
124          </tr>
125          <tr>
126          <td><code>change_pan()</code></td>          <td><code>change_pan()</code></td>
127          <td>Changes panning of voices (stereo balance).</td>          <td>Changes panning of voices (stereo balance).</td>
128        </tr>        </tr>
129        <tr>        <tr>
130            <td><code>change_play_pos()</code></td>
131            <td>Change the sample playback position.</td>
132          </tr>
133          <tr>
134          <td><code>change_tune()</code></td>          <td><code>change_tune()</code></td>
135          <td>Changes the tuning of voices.</td>          <td>Changes the tuning of voices.</td>
136        </tr>        </tr>
137        <tr>        <tr>
138            <td><code>change_tune_time()</code></td>
139            <td>Changes the duration of tuning changes.</td>
140          </tr>
141          <tr>
142            <td><code>change_tune_curve()</code></td>
143            <td>Changes the curve type of tuning changes.</td>
144          </tr>
145          <tr>
146          <td><code>change_vol()</code></td>          <td><code>change_vol()</code></td>
147          <td>Changes the volume of voices.</td>          <td>Changes the volume of voices.</td>
148        </tr>        </tr>
149        <tr>        <tr>
150            <td><code>change_vol_time()</code></td>
151            <td>Changes the duration of volume changes.</td>
152          </tr>
153          <tr>
154            <td><code>change_vol_curve()</code></td>
155            <td>Changes the curve type of volume changes.</td>
156          </tr>
157          <tr>
158          <td><code>change_cutoff()</code></td>          <td><code>change_cutoff()</code></td>
159          <td>Changes filter cutoff frequency of voices.</td>          <td>Changes filter cutoff frequency of voices.</td>
160        </tr>        </tr>
# Line 87  Line 163 
163          <td>Changes filter resonance of voices.</td>          <td>Changes filter resonance of voices.</td>
164        </tr>        </tr>
165        <tr>        <tr>
166            <td><code>change_attack()</code></td>
167            <td>Modifies the attack time of voices.</td>
168          </tr>
169          <tr>
170            <td><code>change_decay()</code></td>
171            <td>Modifies the decay time of voices.</td>
172          </tr>
173          <tr>
174            <td><code>change_release()</code></td>
175            <td>Modifies the release time of voices.</td>
176          </tr>
177          <tr>
178            <td><code>change_amp_lfo_depth()</code></td>
179            <td>Modifies the amplitude LFO depth.</td>
180          </tr>
181          <tr>
182            <td><code>change_amp_lfo_freq()</code></td>
183            <td>Modifies the amplitude LFO frequency.</td>
184          </tr>
185          <tr>
186            <td><code>change_pitch_lfo_depth()</code></td>
187            <td>Modifies the pitch LFO depth.</td>
188          </tr>
189          <tr>
190            <td><code>change_pitch_lfo_freq()</code></td>
191            <td>Modifies the pitch LFO frequency.</td>
192          </tr>
193          <tr>
194            <td><code>change_velo()</code></td>
195            <td>Change MIDI velocity of note.</td>
196          </tr>
197          <tr>
198          <td><code>event_status()</code></td>          <td><code>event_status()</code></td>
199          <td>Checks and returns whether a particular note is still alive.</td>          <td>Checks and returns whether a particular note is still alive.</td>
200        </tr>        </tr>
201        <tr>        <tr>
202            <td><code>fade_in()</code></td>
203            <td>Fade the requested note in.</td>
204          </tr>
205          <tr>
206            <td><code>fade_out()</code></td>
207            <td>Fade the requested note out.</td>
208          </tr>
209          <tr>
210            <td><code>get_event_par()</code></td>
211            <td>Get the current value of a specific note parameter.</td>
212          </tr>
213          <tr>
214            <td><code>set_event_par()</code></td>
215            <td>Change the value of a specific note parameter.</td>
216          </tr>
217          <tr>
218          <td><code>set_controller()</code></td>          <td><code>set_controller()</code></td>
219          <td>Creates a MIDI control change event.</td>          <td>Creates a MIDI control change event.</td>
220        </tr>        </tr>
# Line 133  Line 257 
257          <td><code>gig_set_dim_zone()</code></td>          <td><code>gig_set_dim_zone()</code></td>
258          <td>Changes the currently active dimension zone.</td>          <td>Changes the currently active dimension zone.</td>
259        </tr>        </tr>
260          <tr>
261            <td><code>same_region()</code></td>
262            <td>Check whether two keys are mapped to the same region.</td>
263          </tr>
264      </table>      </table>
265    
266      <h2>Built-In Variables</h2>      <h2>Built-In Variables</h2>
# Line 195  Line 323 
323          </td>          </td>
324        </tr>        </tr>
325        <tr>        <tr>
326            <td><code>%NKSP_CALLBACK_CHILD_ID[]</code></td>
327            <td>
328              Reflects the callback IDs of all child threads which the current
329              script callback instance spawned by calling function <code>fork()</code>.
330              See the latter function for details about this array variable.
331            </td>
332          </tr>
333          <tr>
334            <td><code>$NKSP_CALLBACK_PARENT_ID</code></td>
335            <td>
336              If the current execution thread is a child thread spawned by a <code>fork()</code>
337              call before, then this variable reflects the callback ID of the parent
338              thread which created this child thread. Otherwise this variable is zero.
339              See function <code>fork()</code> for more details about this variable.
340            </td>
341          </tr>
342          <tr>
343          <td><code>$NKSP_REAL_TIMER</code></td>          <td><code>$NKSP_REAL_TIMER</code></td>
344          <td>Returns the current time stamp in reality (in microseconds). You may          <td>Returns the current time stamp in reality (in microseconds). You may
345              read this variable from time to time to take              read this variable from time to time to take
# Line 224  Line 369 
369              </note>              </note>
370          </td>          </td>
371        </tr>        </tr>
372          <tr>
373            <td><code>$NI_CALLBACK_ID</code></td>
374            <td>Reflects the current event handler instance's unique callback ID.
375                For the same event type there may be more than
376                one event handler instances running. Each one of them has
377                its own callback ID. You can get the current event handler
378                instance's callback ID by reading this built-in variable.</td>
379          </tr>
380          <tr>
381            <td><code>$NI_CALLBACK_TYPE</code></td>
382            <td>Reflects the event type of the current event handler. This variable
383                may reflect one of the following built-in constants:
384                <code>$NI_CB_TYPE_INIT</code>, <code>$NI_CB_TYPE_NOTE</code>,
385                <code>$NI_CB_TYPE_RELEASE</code>, <code>$NI_CB_TYPE_CONTROLLER</code>.</td>
386          </tr>
387          <tr>
388            <td><code>$NI_CB_TYPE_INIT</code></td>
389            <td>Built-in constant reflecting an <code>init</code> event handler type.</td>
390          </tr>
391          <tr>
392            <td><code>$NI_CB_TYPE_NOTE</code></td>
393            <td>Built-in constant reflecting a <code>note</code> event handler type.</td>
394          </tr>
395          <tr>
396            <td><code>$NI_CB_TYPE_RELEASE</code></td>
397            <td>Built-in constant reflecting a <code>release</code> event handler type.</td>
398          </tr>
399          <tr>
400            <td><code>$NI_CB_TYPE_CONTROLLER</code></td>
401            <td>Built-in constant reflecting a <code>controller</code> event handler type.</td>
402          </tr>
403          <tr>
404            <td><code>$NKSP_IGNORE_WAIT</code></td>
405            <td>If this boolean built-in variable is <code>1</code> then all calls of your
406                event handler instance to function <code>wait()</code> will be ignored.
407                This may for example be the case if another event handler instance
408                resumed your paused script by calling <code>stop_wait()</code> and
409                passing <code>1</code> to the 2nd argument of that function.</td>
410          </tr>
411      </table>      </table>
412    
413      <h3>Common Sampler Variables</h3>      <h3>Common Sampler Variables</h3>
# Line 236  Line 420 
420          <th>Variable</th> <th>Description</th>          <th>Variable</th> <th>Description</th>
421        </tr>        </tr>
422        <tr>        <tr>
423            <td><code>%ALL_EVENTS</code></td>
424            <td>
425              Note IDs of all currently active notes of the current sampler part (a.k.a. sampler channel).
426              This may be passed to many built-in functions like <code>note_off()</code>.
427              This array variable only contains IDs of notes which were launched due
428              to MIDI note-on events. This variable does not contain IDs of child notes
429              (i.e. notes which were launched programmatically by calling <code>play_note()</code>).
430              <note>
431                In contrast to KSP this variable is an integer array type, whereas KSP's
432                pendent of this built-in variable is an integer constant (scalar) called
433                <code>$ALL_EVENTS</code>. Using the latter with NKSP will cause a
434                parser warning, the behavior will be the same though.
435              </note>
436            </td>
437          </tr>
438          <tr>
439          <td><code>$CC_NUM</code></td>          <td><code>$CC_NUM</code></td>
440          <td>MIDI controller number that caused the <code>controller</code>          <td>MIDI controller number that caused the <code>controller</code>
441              handler to be executed (only useful in the context of a              handler to be executed (only useful in the context of a
# Line 281  Line 481 
481              note is still "alive".</td>              note is still "alive".</td>
482        </tr>        </tr>
483        <tr>        <tr>
484            <td><code>$EVENT_PAR_NOTE</code></td>
485            <td>Constant value symbolizing the "note number" parameter. See
486                <code>get_event_par()</code> and <code>set_event_par()</code>
487                for details.</td>
488          </tr>
489          <tr>
490            <td><code>$EVENT_PAR_TUNE</code></td>
491            <td>Constant value symbolizing the "tune" parameter. See
492                <code>get_event_par()</code> and <code>set_event_par()</code>
493                for details.</td>
494          </tr>
495          <tr>
496            <td><code>$EVENT_PAR_VELOCITY</code></td>
497            <td>Constant value symbolizing the "note velocity" parameter. See
498                <code>get_event_par()</code> and <code>set_event_par()</code>
499                for details.</td>
500          </tr>
501          <tr>
502            <td><code>$EVENT_PAR_VOLUME</code></td>
503            <td>Constant value symbolizing the "volume" parameter. See
504                <code>get_event_par()</code> and <code>set_event_par()</code>
505                for details.</td>
506          </tr>
507          <tr>
508            <td><code>$EVENT_PAR_0</code> to <code>$EVENT_PAR_3</code></td>
509            <td>Four constant values symbolizing the 4 possible user specific
510                parameters, which i.e. might be used to pass data from one script
511                (slot) to another script (slot). See  <code>get_event_par()</code>
512                and <code>set_event_par()</code> for details.</td>
513          </tr>
514          <tr>
515          <td><code>%KEY_DOWN[]</code></td>          <td><code>%KEY_DOWN[]</code></td>
516          <td>This can be used in any context to check whether a certain MIDI          <td>This can be used in any context to check whether a certain MIDI
517              key is currently pressed down. Use the respective MIDI note number              key is currently pressed down. Use the respective MIDI note number
518              as index to this array variable (see also <code>event_status()</code>).</td>              as index to this array variable (see also <code>event_status()</code>).</td>
519        </tr>        </tr>
520        <tr>        <tr>
521            <td><code>$NKSP_EASE_IN_EASE_OUT</code></td>
522            <td>Used to select a fade curve with "ease in and ease out" shape.</td>
523          </tr>
524          <tr>
525            <td><code>$NKSP_LINEAR</code></td>
526            <td>Used to select a fade curve with linear shape.</td>
527          </tr>
528          <tr>
529          <td><code>$VCC_MONO_AT</code></td>          <td><code>$VCC_MONO_AT</code></td>
530          <td>Constant identifying the MIDI monophonic aftertouch controller (also          <td>Constant identifying the MIDI monophonic aftertouch controller (also
531              called <i title="Amount of force on held-down key.">              called <i title="Amount of force on held-down key.">
# Line 360  Line 599 
599          <td>Constant that identifies the <i>keyboard position dimension</i>.</td>          <td>Constant that identifies the <i>keyboard position dimension</i>.</td>
600        </tr>        </tr>
601        <tr>        <tr>
602          <td><code>$GIG_DIM_ROUNDROBIN"</code></td>          <td><code>$GIG_DIM_ROUNDROBIN</code></td>
603          <td>Constant that identifies the <i>round robin dimension</i>.</td>          <td>Constant that identifies the <i>round robin dimension</i>.</td>
604        </tr>        </tr>
605        <tr>        <tr>
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