simple support for animated parallax textures

3 files changed, 14 insertions, 2 deletions

diff --git a/source/game/StarAnimation.cpp b/source/game/StarAnimation.cpp
index 09da400..d8d62dc 100644
--- a/source/game/StarAnimation.cpp
+++ b/source/game/StarAnimation.cpp
@@ -27,8 +27,8 @@ Animation::Animation(Json config, String const& directory) {
   // to the end.
   m_appendFrame = !m_base.contains("<index>");
   m_frameNumber = config.getInt("frameNumber", 1);
-  m_animationCycle = config.getDouble("animationCycle", 1.0);
-  m_animationTime = m_animationCycle * config.getDouble("loops", 1.0);
+  m_animationCycle = config.getFloat("animationCycle", 1.0);
+  m_animationTime = m_animationCycle * config.getFloat("loops", 1.0);
   m_angle = config.getFloat("angle", 0.0f);
   m_offset = jsonToVec2F(config.get("offset", JsonArray{0.0f, 0.0f}));
   m_centered = config.getBool("centered", true);
diff --git a/source/game/StarParallax.cpp b/source/game/StarParallax.cpp
index d537b2c..c6bc044 100644
--- a/source/game/StarParallax.cpp
+++ b/source/game/StarParallax.cpp
@@ -18,12 +18,18 @@ ParallaxLayer::ParallaxLayer() {
   lightMapped = false;
   fadePercent = 0;
   directives = "";
+  frameNumber = 1;
+  frameOffset = 0;
+  animationCycle = 1.0f;
   alpha = 1.0f;
 }
 
 ParallaxLayer::ParallaxLayer(Json const& store) : ParallaxLayer() {
   textures = jsonToStringList(store.get("textures"));
   directives = store.getString("directives");
+  frameNumber = store.getInt("frameNumber", 1);
+  frameOffset = store.getInt("frameOffset", 0);
+  animationCycle = store.getFloat("animationCycle", 1.0f);
   parallaxValue = jsonToVec2F(store.get("parallaxValue"));
   repeat = jsonToVec2B(store.get("repeat"));
   tileLimitTop = store.optFloat("tileLimitTop");
@@ -42,6 +48,9 @@ Json ParallaxLayer::store() const {
   return JsonObject{
       {"textures", jsonFromStringList(textures)},
       {"directives", directives.string()},
+      {"frameNumber", frameNumber},
+      {"frameOffset", frameOffset},
+      {"animationCycle", animationCycle},
       {"parallaxValue", jsonFromVec2F(parallaxValue)},
       {"repeat", jsonFromVec2B(repeat)},
       {"tileLimitTop", jsonFromMaybe(tileLimitTop)},
diff --git a/source/game/StarParallax.hpp b/source/game/StarParallax.hpp
index ee65955..5f6b8d0 100644
--- a/source/game/StarParallax.hpp
+++ b/source/game/StarParallax.hpp
@@ -21,6 +21,9 @@ struct ParallaxLayer {
 
   List<String> textures;
   Directives directives;
+  unsigned frameNumber;
+  int frameOffset;
+  float animationCycle;
   float alpha;
   Vec2F parallaxValue;
   Vec2B repeat;