Animator:isLooping; Animator:setLooping;

src/api/types/animator.c

@@ -91,6 +91,22 @@ int l_lovrAnimatorGetDuration(lua_State* L) {
   return 1;
 }
 
+int l_lovrAnimatorIsLooping(lua_State* L) {
+  Animator* animator = luax_checktype(L, 1, Animator);
+  const char* animation = luaL_checkstring(L, 2);
+  bool looping = lovrAnimatorIsLooping(animator, animation);
+  lua_pushboolean(L, looping);
+  return 1;
+}
+
+int l_lovrAnimatorSetLooping(lua_State* L) {
+  Animator* animator = luax_checktype(L, 1, Animator);
+  const char* animation = luaL_checkstring(L, 2);
+  bool looping = lua_toboolean(L, 3);
+  lovrAnimatorSetLooping(animator, animation, looping);
+  return 0;
+}
+
 int l_lovrAnimatorGetSpeed(lua_State* L) {
   Animator* animator = luax_checktype(L, 1, Animator);
   if (lua_type(L, 2) == LUA_TSTRING) {
@@ -129,6 +145,8 @@ const luaL_Reg lovrAnimator[] = {
   { "seek", l_lovrAnimatorSeek },
   { "tell", l_lovrAnimatorTell },
   { "getDuration", l_lovrAnimatorGetDuration },
+  { "isLooping", l_lovrAnimatorIsLooping },
+  { "setLooping", l_lovrAnimatorSetLooping },
   { "getSpeed", l_lovrAnimatorGetSpeed },
   { "setSpeed", l_lovrAnimatorSetSpeed },
   { NULL, NULL }

src/graphics/animator.c

@@ -1,4 +1,5 @@
 #include "graphics/animator.h"
+#include <math.h>
 
 static Track* lovrAnimatorEnsureTrack(Animator* animator, const char* animation) {
   Track* track = map_get(&animator->timeline, animation);
@@ -41,6 +42,10 @@ void lovrAnimatorUpdate(Animator* animator, float dt) {
   while ((key = map_next(&animator->timeline, &iter)) != NULL) {
     Track* track = map_get(&animator->timeline, key);
     track->time += dt * track->speed * animator->speed;
+
+    if (track->looping) {
+      track->time = fmodf(track->time, track->animation->duration);
+    }
   }
 }
 
@@ -106,6 +111,16 @@ float lovrAnimatorGetDuration(Animator* animator, const char* animation) {
   return track->animation->duration;
 }
 
+bool lovrAnimatorIsLooping(Animator* animator, const char* animation) {
+  Track* track = lovrAnimatorEnsureTrack(animator, animation);
+  return track->looping;
+}
+
+void lovrAnimatorSetLooping(Animator* animator, const char* animation, bool looping) {
+  Track* track = lovrAnimatorEnsureTrack(animator, animation);
+  track->looping = looping;
+}
+
 float lovrAnimatorGetSpeed(Animator* animator, const char* animation) {
   if (!animation) {
     return animator->speed;

src/graphics/animator.h

@@ -35,5 +35,7 @@ void lovrAnimatorPause(Animator* animator, const char* animation);
 void lovrAnimatorResume(Animator* animator, const char* animation);
 void lovrAnimatorSeek(Animator* animator, const char* animation, float time);
 float lovrAnimatorTell(Animator* animator, const char* animation);
+bool lovrAnimatorIsLooping(Animator* animator, const char* animation);
+void lovrAnimatorSetLooping(Animator* animator, const char* animation, bool looping);
 float lovrAnimatorGetSpeed(Animator* animator, const char* animation);
 void lovrAnimatorSetSpeed(Animator* animator, const char* animation, float speed);