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# Line 11  Line 11 
11      <p>      <p>
12        This document gives you an overview of all built-in functions and built-in        This document gives you an overview of all built-in functions and built-in
13        variables provided by the NKSP real-time instrument script language.        variables provided by the NKSP real-time instrument script language.
14          If you are new to NKSP, then you may want to read the
15          <a href="01_nksp.html">NKSP language tour</a> first.
16      </p>      </p>
17    
18      <h2>Built-In Functions</h2>      <h2>Built-In Functions</h2>
19      <p>      <p>
20        These are the built-in functions available with the NKSP realt-time        These are the built-in functions available with the NKSP real-time
21        instrument script language.        instrument script language.
22      </p>      </p>
23    
# Line 28  Line 30 
30          <th>Function</th> <th>Description</th>          <th>Function</th> <th>Description</th>
31        </tr>        </tr>
32        <tr>        <tr>
33          <td><code lang="nksp">dec()</code></td>          <td><code lang="nksp">abort()</code></td>
34          <td>Decrements the passed integer variable by one.</td>          <td>Stops execution of a script callback.</td>
35        </tr>        </tr>
36        <tr>        <tr>
37          <td><code>inc()</code></td>          <td><code>abs()</code></td>
38          <td>Increments the passed integer variable by one.</td>          <td>Calculates the absolute value of a given value.</td>
39        </tr>        </tr>
40        <tr>        <tr>
41          <td><code lang="nksp">message()</code></td>          <td><code lang="nksp">array_equal()</code></td>
42          <td>Prints text to the sampler's terminal.</td>          <td>Check whether two arrays are equal.</td>
43        </tr>        </tr>
44        <tr>        <tr>
45          <td><code>exit()</code></td>          <td><code>callback_status()</code></td>
46          <td>Stops execution of the current event handler instance.</td>          <td>Returns the current status of a callback (thread).</td>
47        </tr>        </tr>
48        <tr>        <tr>
49          <td><code>wait()</code></td>          <td><code lang="nksp">dec()</code></td>
50          <td>Pauses execution for a certain amount of time.</td>          <td>Decrements the passed integer variable by one.</td>
51        </tr>        </tr>
52        <tr>        <tr>
53          <td><code>stop_wait()</code></td>          <td><code>exit()</code></td>
54          <td>Resumes execution of a suspended script callback.</td>          <td>Stops execution of the current event handler instance.</td>
55        </tr>        </tr>
56        <tr>        <tr>
57          <td><code>abs()</code></td>          <td><code>fork()</code></td>
58          <td>Calculates the absolute value of a given value.</td>          <td>Creates new execution instances (threads).</td>
59        </tr>        </tr>
60        <tr>        <tr>
61          <td><code>random()</code></td>          <td><code>inc()</code></td>
62          <td>Random number generator.</td>          <td>Increments the passed integer variable by one.</td>
63        </tr>        </tr>
64        <tr>        <tr>
65          <td><code>min()</code></td>          <td><code>in_range()</code></td>
66          <td>Calculates the minimum value of two given values.</td>          <td>Checks whether a value is between two other values.</td>
67        </tr>        </tr>
68        <tr>        <tr>
69          <td><code>max()</code></td>          <td><code>max()</code></td>
70          <td>Calculates the maximum value of two given values.</td>          <td>Calculates the maximum value of two given values.</td>
71        </tr>        </tr>
72        <tr>        <tr>
73            <td><code lang="nksp">message()</code></td>
74            <td>Prints text to the sampler's terminal.</td>
75          </tr>
76          <tr>
77            <td><code>min()</code></td>
78            <td>Calculates the minimum value of two given values.</td>
79          </tr>
80          <tr>
81          <td><code>num_elements()</code></td>          <td><code>num_elements()</code></td>
82          <td>Returns the size of the requested array variable.</td>          <td>Returns the size of the requested array variable.</td>
83        </tr>        </tr>
84        <tr>        <tr>
85            <td><code>random()</code></td>
86            <td>Random number generator.</td>
87          </tr>
88          <tr>
89            <td><code>search()</code></td>
90            <td>Search for a certain value within an array.</td>
91          </tr>
92          <tr>
93          <td><code>sh_left()</code></td>          <td><code>sh_left()</code></td>
94          <td>Calculates a left bit shifted value.</td>          <td>Calculates a left bit shifted value.</td>
95        </tr>        </tr>
# Line 79  Line 97 
97          <td><code>sh_right()</code></td>          <td><code>sh_right()</code></td>
98          <td>Calculates a right bit shifted value.</td>          <td>Calculates a right bit shifted value.</td>
99        </tr>        </tr>
100          <tr>
101            <td><code>sort()</code></td>
102            <td>Sort the given array.</td>
103          </tr>
104          <tr>
105            <td><code>stop_wait()</code></td>
106            <td>Resumes execution of a suspended script callback.</td>
107          </tr>
108          <tr>
109            <td><code>wait()</code></td>
110            <td>Pauses execution for a certain amount of time.</td>
111          </tr>
112      </table>      </table>
113        
114      <h3>Common Sampler Functions</h3>      <h3>Common Sampler Functions</h3>
115      <p>      <p>
116        Basic sampler related functions, independent from a particular sampler        Basic sampler related functions, independent from a particular sampler
# Line 91  Line 121 
121          <th>Function</th> <th>Description</th>          <th>Function</th> <th>Description</th>
122        </tr>        </tr>
123        <tr>        <tr>
124          <td><code>play_note()</code></td>          <td><code>by_marks()</code></td>
125          <td>Triggers a new note.</td>          <td>Returns all events of an event group.</td>
126        </tr>        </tr>
127        <tr>        <tr>
128          <td><code>change_pan()</code></td>          <td><code>change_amp_lfo_depth()</code></td>
129          <td>Changes panning of voices (stereo balance).</td>          <td>Modifies the amplitude LFO depth.</td>
130        </tr>        </tr>
131        <tr>        <tr>
132          <td><code>change_tune()</code></td>          <td><code>change_amp_lfo_freq()</code></td>
133          <td>Changes the tuning of voices.</td>          <td>Modifies the amplitude LFO frequency.</td>
134        </tr>        </tr>
135        <tr>        <tr>
136          <td><code>change_vol()</code></td>          <td><code>change_attack()</code></td>
137          <td>Changes the volume of voices.</td>          <td>Modifies the amplitude attack time of voices.</td>
138        </tr>        </tr>
139        <tr>        <tr>
140          <td><code>change_cutoff()</code></td>          <td><code>change_cutoff()</code></td>
141          <td>Changes filter cutoff frequency of voices.</td>          <td>Changes filter cutoff frequency of voices.</td>
142        </tr>        </tr>
143        <tr>        <tr>
144          <td><code>change_reso()</code></td>          <td><code>change_cutoff_attack()</code></td>
145          <td>Changes filter resonance of voices.</td>          <td>Modifies the filter cutoff attack time of voices.</td>
146        </tr>        </tr>
147        <tr>        <tr>
148          <td><code>change_attack()</code></td>          <td><code>change_cutoff_decay()</code></td>
149          <td>Modifies the attack time of voices.</td>          <td>Modifies the filter cutoff decay time of voices.</td>
150          </tr>
151          <tr>
152            <td><code>change_cutoff_lfo_depth()</code></td>
153            <td>Modifies the filter cutoff LFO depth.</td>
154          </tr>
155          <tr>
156            <td><code>change_cutoff_lfo_freq()</code></td>
157            <td>Modifies the filter cutoff LFO frequency.</td>
158          </tr>
159          <tr>
160            <td><code>change_cutoff_release()</code></td>
161            <td>Modifies the filter cutoff release time of voices.</td>
162          </tr>
163          <tr>
164            <td><code>change_cutoff_sustain()</code></td>
165            <td>Modifies the filter cutoff sustain level of voices.</td>
166        </tr>        </tr>
167        <tr>        <tr>
168          <td><code>change_decay()</code></td>          <td><code>change_decay()</code></td>
169          <td>Modifies the decay time of voices.</td>          <td>Modifies the amplitude decay time of voices.</td>
170          </tr>
171          <tr>
172            <td><code>change_note()</code></td>
173            <td>Change MIDI note number of note.</td>
174          </tr>
175          <tr>
176            <td><code>change_pan()</code></td>
177            <td>Changes panning of voices (stereo balance).</td>
178          </tr>
179          <tr>
180            <td><code>change_pan_curve()</code></td>
181            <td>Changes the curve type of panning (stereo balance) changes.</td>
182          </tr>
183          <tr>
184            <td><code>change_pan_time()</code></td>
185            <td>Changes the duration of panning (stereo balance) changes.</td>
186          </tr>
187          <tr>
188            <td><code>change_pitch_lfo_depth()</code></td>
189            <td>Modifies the pitch LFO depth.</td>
190          </tr>
191          <tr>
192            <td><code>change_pitch_lfo_freq()</code></td>
193            <td>Modifies the pitch LFO frequency.</td>
194          </tr>
195          <tr>
196            <td><code>change_play_pos()</code></td>
197            <td>Change the sample playback position.</td>
198        </tr>        </tr>
199        <tr>        <tr>
200          <td><code>change_release()</code></td>          <td><code>change_release()</code></td>
201          <td>Modifies the release time of voices.</td>          <td>Modifies the amplitude release time of voices.</td>
202          </tr>
203          <tr>
204            <td><code>change_reso()</code></td>
205            <td>Changes filter resonance of voices.</td>
206          </tr>
207          <tr>
208            <td><code>change_sustain()</code></td>
209            <td>Modifies the amplitude sustain level of voices.</td>
210          </tr>
211          <tr>
212            <td><code>change_tune()</code></td>
213            <td>Changes the tuning of voices.</td>
214          </tr>
215          <tr>
216            <td><code>change_tune_curve()</code></td>
217            <td>Changes the curve type of tuning changes.</td>
218          </tr>
219          <tr>
220            <td><code>change_tune_time()</code></td>
221            <td>Changes the duration of tuning changes.</td>
222          </tr>
223          <tr>
224            <td><code>change_velo()</code></td>
225            <td>Change MIDI velocity of note.</td>
226          </tr>
227          <tr>
228            <td><code>change_vol()</code></td>
229            <td>Changes the volume of voices.</td>
230          </tr>
231          <tr>
232            <td><code>change_vol_curve()</code></td>
233            <td>Changes the curve type of volume changes.</td>
234          </tr>
235          <tr>
236            <td><code>change_vol_time()</code></td>
237            <td>Changes the duration of volume changes.</td>
238          </tr>
239          <tr>
240            <td><code>delete_event_mark()</code></td>
241            <td>Removes an event from some event group.</td>
242        </tr>        </tr>
243        <tr>        <tr>
244          <td><code>event_status()</code></td>          <td><code>event_status()</code></td>
245          <td>Checks and returns whether a particular note is still alive.</td>          <td>Checks and returns whether a particular note is still alive.</td>
246        </tr>        </tr>
247        <tr>        <tr>
248          <td><code>set_controller()</code></td>          <td><code>fade_in()</code></td>
249          <td>Creates a MIDI control change event.</td>          <td>Fade the requested note in.</td>
250        </tr>        </tr>
251        <tr>        <tr>
252          <td><code>ignore_event()</code></td>          <td><code>fade_out()</code></td>
253          <td>Drops the given event.</td>          <td>Fade the requested note out.</td>
254          </tr>
255          <tr>
256            <td><code>get_event_par()</code></td>
257            <td>Get the current value of a specific note parameter.</td>
258        </tr>        </tr>
259        <tr>        <tr>
260          <td><code>ignore_controller()</code></td>          <td><code>ignore_controller()</code></td>
261          <td>Drops the given MIDI control change event.</td>          <td>Drops the given MIDI control change event.</td>
262        </tr>        </tr>
263        <tr>        <tr>
264            <td><code>ignore_event()</code></td>
265            <td>Drops the given event.</td>
266          </tr>
267          <tr>
268          <td><code>note_off()</code></td>          <td><code>note_off()</code></td>
269          <td>Releases the requested note.</td>          <td>Releases the requested note.</td>
270        </tr>        </tr>
271        <tr>        <tr>
272          <td><code>set_event_mark()</code></td>          <td><code>play_note()</code></td>
273          <td>Adds an event to an event group.</td>          <td>Triggers a new note.</td>
274        </tr>        </tr>
275        <tr>        <tr>
276          <td><code>delete_event_mark()</code></td>          <td><code>set_controller()</code></td>
277          <td>Removes an event from some event group.</td>          <td>Creates a MIDI control change event.</td>
278        </tr>        </tr>
279        <tr>        <tr>
280          <td><code>by_marks()</code></td>          <td><code>set_event_mark()</code></td>
281          <td>Returns all events of an event group.</td>          <td>Adds an event to an event group.</td>
282          </tr>
283          <tr>
284            <td><code>set_event_par()</code></td>
285            <td>Change the value of a specific note parameter.</td>
286        </tr>        </tr>
287      </table>      </table>
288        
289      <h3>GigaStudio Format Functions</h3>      <h3>GigaStudio Format Functions</h3>
290      <p>      <p>
291        Sampler format specific functions, dedicated to the individual features        Sampler format specific functions, dedicated to the individual features
# Line 173  Line 299 
299          <td><code>gig_set_dim_zone()</code></td>          <td><code>gig_set_dim_zone()</code></td>
300          <td>Changes the currently active dimension zone.</td>          <td>Changes the currently active dimension zone.</td>
301        </tr>        </tr>
302          <tr>
303            <td><code>same_region()</code></td>
304            <td>Check whether two keys are mapped to the same region.</td>
305          </tr>
306      </table>      </table>
307    
308      <h2>Built-In Variables</h2>      <h2>Built-In Variables</h2>
# Line 191  Line 321 
321          <th>Variable</th> <th>Description</th>          <th>Variable</th> <th>Description</th>
322        </tr>        </tr>
323        <tr>        <tr>
324            <td><code>$CALLBACK_STATUS_QUEUE</code></td>
325            <td>Built-in constant reflecting the status of a callback to be
326                alive but suspended. See <code>callback_status()</code> for details.</td>
327          </tr>
328          <tr>
329            <td><code>$CALLBACK_STATUS_RUNNING</code></td>
330            <td>Built-in constant reflecting the status of a callback to be
331                alive and currently executing. See <code>callback_status()</code>
332                for details.</td>
333          </tr>
334          <tr>
335            <td><code>$CALLBACK_STATUS_TERMINATED</code></td>
336            <td>Built-in constant reflecting the status of a callback to be
337                not alive. See <code>callback_status()</code> for details.</td>
338          </tr>
339          <tr>
340          <td><code>$KSP_TIMER</code></td>          <td><code>$KSP_TIMER</code></td>
341          <td>Preserved for compatiblity reasons with KSP, returns the same value          <td>Preserved for compatiblity reasons with KSP, returns the same value
342             as <code>$NKSP_REAL_TIMER</code> (refer to the latter for details).             as <code>$NKSP_REAL_TIMER</code> (refer to the latter for details).
# Line 235  Line 381 
381          </td>          </td>
382        </tr>        </tr>
383        <tr>        <tr>
384            <td><code>%NKSP_CALLBACK_CHILD_ID[]</code></td>
385            <td>
386              Reflects the callback IDs of all child threads which the current
387              script callback instance spawned by having called <code>fork()</code> before.
388              See the latter function for details about this array variable.
389            </td>
390          </tr>
391          <tr>
392            <td><code>$NKSP_CALLBACK_PARENT_ID</code></td>
393            <td>
394              If the current execution thread is a child thread spawned by a <code>fork()</code>
395              call before, then this variable reflects the callback ID of the parent
396              thread which created this child thread. Otherwise this variable is <code>0</code>.
397              See <code>fork()</code> for more details about this variable.
398            </td>
399          </tr>
400          <tr>
401          <td><code>$NKSP_REAL_TIMER</code></td>          <td><code>$NKSP_REAL_TIMER</code></td>
402          <td>Returns the current time stamp in reality (in microseconds). You may          <td>Returns the current time stamp in reality (in microseconds). You may
403              read this variable from time to time to take              read this variable from time to time to take
# Line 319  Line 482 
482          <td>          <td>
483            Note IDs of all currently active notes of the current sampler part (a.k.a. sampler channel).            Note IDs of all currently active notes of the current sampler part (a.k.a. sampler channel).
484            This may be passed to many built-in functions like <code>note_off()</code>.            This may be passed to many built-in functions like <code>note_off()</code>.
485              This array variable only contains IDs of notes which were launched due
486              to MIDI note-on events. This variable does not contain IDs of child notes
487              (i.e. notes which were launched programmatically by calling <code>play_note()</code>).
488            <note>            <note>
489              In contrast to KSP this variable is an integer array type, whereas KSP's              In contrast to KSP this variable is an integer array type, whereas KSP's
490              pendent of this built-in variable is an integer constant (scalar) called              pendent of this built-in variable is an integer constant (scalar) called
# Line 373  Line 539 
539              note is still "alive".</td>              note is still "alive".</td>
540        </tr>        </tr>
541        <tr>        <tr>
542            <td><code>$EVENT_PAR_NOTE</code></td>
543            <td>Constant value symbolizing the "note number" parameter. See
544                <code>get_event_par()</code> and <code>set_event_par()</code>
545                for details.</td>
546          </tr>
547          <tr>
548            <td><code>$EVENT_PAR_TUNE</code></td>
549            <td>Constant value symbolizing the "tune" parameter. See
550                <code>get_event_par()</code> and <code>set_event_par()</code>
551                for details.</td>
552          </tr>
553          <tr>
554            <td><code>$EVENT_PAR_VELOCITY</code></td>
555            <td>Constant value symbolizing the "note velocity" parameter. See
556                <code>get_event_par()</code> and <code>set_event_par()</code>
557                for details.</td>
558          </tr>
559          <tr>
560            <td><code>$EVENT_PAR_VOLUME</code></td>
561            <td>Constant value symbolizing the "volume" parameter. See
562                <code>get_event_par()</code> and <code>set_event_par()</code>
563                for details.</td>
564          </tr>
565          <tr>
566            <td><code>$EVENT_PAR_0</code> to <code>$EVENT_PAR_3</code></td>
567            <td>Four constant values symbolizing the 4 possible user specific
568                parameters, which i.e. might be used to pass data from one script
569                (slot) to another script (slot). See  <code>get_event_par()</code>
570                and <code>set_event_par()</code> for details.</td>
571          </tr>
572          <tr>
573          <td><code>%KEY_DOWN[]</code></td>          <td><code>%KEY_DOWN[]</code></td>
574          <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
575              key is currently pressed down. Use the respective MIDI note number              key is currently pressed down. Use the respective MIDI note number
576              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>
577        </tr>        </tr>
578        <tr>        <tr>
579            <td><code>$NKSP_EASE_IN_EASE_OUT</code></td>
580            <td>Used to select a fade curve with "ease in and ease out" shape.</td>
581          </tr>
582          <tr>
583            <td><code>$NKSP_LINEAR</code></td>
584            <td>Used to select a fade curve with linear shape.</td>
585          </tr>
586          <tr>
587          <td><code>$VCC_MONO_AT</code></td>          <td><code>$VCC_MONO_AT</code></td>
588          <td>Constant identifying the MIDI monophonic aftertouch controller (also          <td>Constant identifying the MIDI monophonic aftertouch controller (also
589              called <i title="Amount of force on held-down key.">              called <i title="Amount of force on held-down key.">
# Line 452  Line 657 
657          <td>Constant that identifies the <i>keyboard position dimension</i>.</td>          <td>Constant that identifies the <i>keyboard position dimension</i>.</td>
658        </tr>        </tr>
659        <tr>        <tr>
660          <td><code>$GIG_DIM_ROUNDROBIN"</code></td>          <td><code>$GIG_DIM_ROUNDROBIN</code></td>
661          <td>Constant that identifies the <i>round robin dimension</i>.</td>          <td>Constant that identifies the <i>round robin dimension</i>.</td>
662        </tr>        </tr>
663        <tr>        <tr>
# Line 560  Line 765 
765          <td>Constant that identifies the <i>general purpose 8 MIDI controller dimension</i>.</td>          <td>Constant that identifies the <i>general purpose 8 MIDI controller dimension</i>.</td>
766        </tr>        </tr>
767      </table>      </table>
768    
769            <h2>Built-In Preprocessor Conditions</h2>
770        <p>
771          These are the built-in preprocessor conditions available with the NKSP realt-time
772          instrument script language.
773        </p>
774            
775        <h3>Core Language Preprocessor Conditions</h3>
776        <p>
777          Most fundamental NKSP built-in preprocessor conditions, independent from
778          any purpose of being used in a sampler.
779        </p>
780        <table>
781          <tr>
782            <th>Condition</th> <th>Description</th>
783          </tr>
784          <tr>
785            <td><code>NKSP_NO_MESSAGE</code></td>
786            <td>
787              By default this condition is not set. By explicitly enabling this
788              condition with <code>SET_CONDITION(NKSP_NO_MESSAGE)</code> it
789              causes all subsequent <code>message()</code> calls to be ignored
790              and filtered out on preprocessor level. See function <code>message()</code>
791              for details.
792            </td>
793          </tr>
794        </table>
795    
796    </body>    </body>
797  </html>  </html>

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