#599 Add "this_fx_index" variable to dynamic FX expressions

helgoboss · Jun 16, 2022 · e87d77f · e87d77f
1 parent cf886d5
commit e87d77f
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diff --git a/main/src/domain/unresolved_reaper_target.rs b/main/src/domain/unresolved_reaper_target.rs
@@ -1385,6 +1385,10 @@ impl VirtualChainFx {
         let compartment_params = context.params().compartment_params(compartment);
         let result = evaluator
             .evaluate_with_params_and_vars(compartment_params, |name, args| match name {
+                "this_fx_index" => {
+                    let fx = context.context().containing_fx();
+                    Some(fx.index() as f64)
+                }
                 "tcp_fx_indexes" => {
                     let i = extract_first_arg_as_positive_integer(args)?;
                     if chain.is_input_fx() {

diff --git a/resources/test-projects/issue-599-this-fx-index.RPP b/resources/test-projects/issue-599-this-fx-index.RPP
@@ -0,0 +1,149 @@
+<REAPER_PROJECT 0.1 "6.56+dev0425/macOS-arm64" 1655416877
+  <NOTES 0 2
+  >
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+  AUTOXFADE 1
+  ENVATTACH 3
+  POOLEDENVATTACH 0
+  MIXERUIFLAGS 11 48
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+  FEEDBACK 0
+  PANLAW 1
+  PROJOFFS 0 0 0
+  MAXPROJLEN 0 600
+  GRID 3199 8 1 8 1 0 0 0
+  TIMEMODE 1 5 -1 30 0 0 -1
+  VIDEO_CONFIG 0 0 256
+  PANMODE 3
+  CURSOR 0
+  ZOOM 100 0 0
+  VZOOMEX 6 0
+  USE_REC_CFG 0
+  RECMODE 1
+  SMPTESYNC 0 30 100 40 1000 300 0 0 1 0 0
+  LOOP 0
+  LOOPGRAN 0 4
+  RECORD_PATH "" ""
+  <RECORD_CFG
+    ZXZhdxgAAA==
+  >
+  <APPLYFX_CFG
+  >
+  RENDER_FILE ""
+  RENDER_PATTERN ""
+  RENDER_FMT 0 2 0
+  RENDER_1X 0
+  RENDER_RANGE 1 0 0 18 1000
+  RENDER_RESAMPLE 3 0 1
+  RENDER_ADDTOPROJ 0
+  RENDER_STEMS 0
+  RENDER_DITHER 0
+  TIMELOCKMODE 1
+  TEMPOENVLOCKMODE 1
+  ITEMMIX 1
+  DEFPITCHMODE 589824 0
+  TAKELANE 1
+  SAMPLERATE 44100 0 0
+  <RENDER_CFG
+    ZXZhdxgAAA==
+  >
+  LOCK 1
+  <METRONOME 6 2
+    VOL 0.25 0.125
+    FREQ 800 1600 1
+    BEATLEN 4
+    SAMPLES "" ""
+    PATTERN 2863311530 2863311529
+    MULT 1
+  >
+  GLOBAL_AUTO -1
+  TEMPO 120 4 4
+  PLAYRATE 1 0 0.25 4
+  SELECTION 0 0
+  SELECTION2 0 0
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+  MASTERTRACKHEIGHT 0 0
+  MASTERPEAKCOL 16576
+  MASTERMUTESOLO 0
+  MASTERTRACKVIEW 0 0.6667 0.5 0.5 -1 -1 -1 0 0 0 -1 -1 0
+  MASTERHWOUT 0 0 1 0 0 0 0 -1
+  MASTER_NCH 2 2
+  MASTER_VOLUME 1 0 -1 -1 1
+  MASTER_PANMODE 3
+  MASTER_FX 1
+  MASTER_SEL 0
+  <MASTERPLAYSPEEDENV
+    EGUID {CD69290D-7716-D04B-A411-268E7342FF76}
+    ACT 0 -1
+    VIS 0 1 1
+    LANEHEIGHT 0 0
+    ARM 0
+    DEFSHAPE 0 -1 -1
+  >
+  <TEMPOENVEX
+    EGUID {52AEDA32-886B-7D43-956A-5F83317A2AD2}
+    ACT 1 -1
+    VIS 1 0 1
+    LANEHEIGHT 0 0
+    ARM 0
+    DEFSHAPE 1 -1 -1
+  >
+  <PROJBAY
+  >
+  <TRACK {D0ECF297-2B39-8D4C-8868-955780EBC0AA}
+    NAME ReaLearn
+    PEAKCOL 16576
+    BEAT -1
+    AUTOMODE 0
+    VOLPAN 1 0 -1 -1 1
+    MUTESOLO 0 0 0
+    IPHASE 0
+    PLAYOFFS 0 1
+    ISBUS 0 0
+    BUSCOMP 0 0 0 0 0
+    SHOWINMIX 1 0.6667 0.5 1 0.5 -1 -1 -1
+    SEL 0
+    REC 1 5088 1 0 0 0 0
+    VU 2
+    TRACKHEIGHT 0 0 0 0 0 0
+    INQ 0 0 0 0.5 100 0 0 100
+    NCHAN 2
+    FX 1
+    TRACKID {D0ECF297-2B39-8D4C-8868-955780EBC0AA}
+    PERF 0
+    MIDIOUT -1
+    MAINSEND 1 0
+    <FXCHAIN
+      WNDRECT 316 271 611 497
+      SHOW 0
+      LASTSEL 1
+      DOCKED 0
+      BYPASS 0 0 0
+      <VST "VSTi: ReaLearn (Helgoboss)" realearn.vst.dylib 0 "" 1751282284<5653546862726C7265616C6561726E00> ""
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+        dENvbnRyb2xsZXJHcm91cCI6e30sIm1hcHBpbmdzIjpbeyJpZCI6IkF2ekdCMVQ4dDl5LWRBWm01OGUzaiIsIm5hbWUiOiIxIiwic291cmNlIjp7ImNhdGVnb3J5Ijoi
+        a2V5Ym9hcmQiLCJpc1JlZ2lzdGVyZWQiOmZhbHNlLCJpczE0Qml0IjpmYWxzZSwib3NjQXJnSW5kZXgiOjAsImtleXN0cm9rZSI6eyJtb2RpZmllcnMiOjEsImtleSI6
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+        AFByb2dyYW0gMQAQAAAA
+      >
+      PRESETNAME "Program 1"
+      FLOATPOS 0 0 0 0
+      FXID {A280567A-30ED-1945-969A-53D2DD5F5CB6}
+      WAK 0 0
+      BYPASS 1 0 0
+      <VST "VSTi: ReaSynth (Cockos)" reasynth.vst.dylib 0 "" 1919251321<5653547265737972656173796E746800> ""
+        eXNlcu9e7f4AAAAAAgAAAAEAAAAAAAAAAgAAAAAAAABEAAAAAAAAAAAAEAA=
+        776t3g3wrd6mm8Q7F7fROgAAAAAAAAAAAAAAAM5NAD/pZ4g9AAAAAAAAAD8AAIA/AACAPwAAAD8AAAAAAAAAAAAAAAA=
+        AAAQAAAA
+      >
+      FLOATPOS 0 0 0 0
+      FXID {27CB341F-08E6-4540-94C3-9A797EE56638}
+      WAK 0 0
+    >
+  >
+  <EXTENSIONS
+  >
+>