From 64d8efa4f3abe4257120b85fb4d4a063d96edbfc Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Fri, 25 Apr 2014 20:04:08 +0200
Subject: Use old 'velocity groups' algorithm on version 1.0 instruments and
 new 'power distribution' algorithm on 2.0 instruments. Remove
 'with-experimental' option from configure.

---
 src/instrument.cc       | 39 ++++++++++++++++++---------------------
 src/instrument.h        |  2 +-
 src/instrumentparser.cc | 14 +++++++-------
 3 files changed, 26 insertions(+), 29 deletions(-)

(limited to 'src')

diff --git a/src/instrument.cc b/src/instrument.cc
index 8c88503..d0b25aa 100644
--- a/src/instrument.cc
+++ b/src/instrument.cc
@@ -34,10 +34,6 @@
 #include "sample.h"
 #include "configuration.h"
 
-#ifdef EXPERIMENTAL
-#define NEW_ALGORITHM
-#endif
-
 Instrument::Instrument()
 {
   DEBUG(instrument, "new %p\n", this);
@@ -88,15 +84,16 @@ Sample *Instrument::sample(level_t level, size_t pos)
     if(mod > 1.0) mod = 1.0;
   }
 
-#ifdef NEW_ALGORITHM
-  sample = powerlist.get(level * mod);
-#else
-  //  printf("Find level %f\n", level);
-  std::vector<Sample*> s = samples.get(level * mod);
-  if(s.size() == 0) return NULL;
-  size_t idx = rand()%(s.size());
-  sample = s[idx];
-#endif/*NEW_ALGORITHM*/
+  if(version >= VersionStr("2.0")) {
+    // Version 2.0
+    sample = powerlist.get(level * mod);
+  } else {
+    // Version 1.0
+    std::vector<Sample*> s = samples.get(level * mod);
+    if(s.size() == 0) return NULL;
+    size_t idx = rand()%(s.size());
+    sample = s[idx];
+  }
 
   if(Conf::enable_velocity_modifier) {
     lastpos = pos;
@@ -113,15 +110,15 @@ void Instrument::addSample(level_t a, level_t b, Sample *s)
 
 void Instrument::finalise()
 {
-#ifdef NEW_ALGORITHM
-  std::vector<Sample*>::iterator s = samplelist.begin();
-  while(s != samplelist.end()) {
-    powerlist.add(*s);
-    s++;
+  if(version >= VersionStr("2.0")) {
+    std::vector<Sample*>::iterator s = samplelist.begin();
+    while(s != samplelist.end()) {
+      powerlist.add(*s);
+      s++;
+    }
+
+    powerlist.finalise();
   }
-
-  powerlist.finalise();
-#endif/*NEW_ALGORITHM*/
 }
 
 std::string Instrument::name()
diff --git a/src/instrument.h b/src/instrument.h
index b7ddeea..416b6c2 100644
--- a/src/instrument.h
+++ b/src/instrument.h
@@ -64,7 +64,7 @@ private:
   std::string _name;
   std::string _description;
 
-  VersionStr _version;
+  VersionStr version;
 
   RangeMap<level_t, Sample*> samples;
   PowerList powerlist;
diff --git a/src/instrumentparser.cc b/src/instrumentparser.cc
index 3a07f1f..0889d74 100644
--- a/src/instrumentparser.cc
+++ b/src/instrumentparser.cc
@@ -60,14 +60,14 @@ void InstrumentParser::startTag(std::string name,
 
     if(attr.find("version") != attr.end()) {
       try {
-        instrument._version = VersionStr(attr["version"]);
+        instrument.version = VersionStr(attr["version"]);
       } catch(const char *err) {
         ERR(instrparser, "Error parsing version number: %s, using 1.0\n", err);
-        instrument._version = VersionStr(1,0,0);
+        instrument.version = VersionStr(1,0,0);
       } 
     } else {
       WARN(instrparser, "Missing version number, assuming 1.0\n");
-      instrument._version = VersionStr(1,0,0);
+      instrument.version = VersionStr(1,0,0);
     }
   }
 
@@ -161,10 +161,10 @@ void InstrumentParser::startTag(std::string name,
       return;
     }
 
-#ifndef EXPERIMENTAL
-    // TODO: Old algorithm needs this here.
-    instrument.addSample(lower, upper, sample);
-#endif/*EXPERIMENTAL*/
+    if(instrument.version == VersionStr("1.0")) {
+      // Old "velocity group" algorithm needs this
+      instrument.addSample(lower, upper, sample);
+    }
   }
 }
 
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