enforced field semantics and completed shared transitions

io/config.h

@@ -3,8 +3,8 @@
 
 #include <QString>
 
-#define SAVE_VERSION 181114 // YYMMDD
-#define MIN_SAVE_VERSION 180820 // lowest compatible project version
+#define SAVE_VERSION 181124 // YYMMDD
+#define MIN_SAVE_VERSION 181114 // lowest compatible project version
 
 #define TIMECODE_DROP 0
 #define TIMECODE_NONDROP 1

io/math.cpp

@@ -6,6 +6,10 @@ int lerp(int a, int b, double t) {
     return qRound(((1.0 - t) * a) + (t * b));
 }
 
+float float_lerp(float a, float b, float t) {
+    return ((1.0F - t) * a) + (t * b);
+}
+
 double double_lerp(double a, double b, double t) {
     return ((1.0 - t) * a) + (t * b);
 }

io/math.h

@@ -2,6 +2,7 @@
 #define MATH_H
 
 int lerp(int a, int b, double t);
+float float_lerp(float a, float b, float t);
 double double_lerp(double a, double b, double t);
 
 #endif // MATH_H