change all frame properties adjustments

src/anm2/frame.h

@@ -71,6 +71,8 @@ namespace anm2ed::anm2
     std::optional<float> tintG{};
     std::optional<float> tintB{};
     std::optional<float> tintA{};
+    std::optional<bool> isFlipX{};
+    std::optional<bool> isFlipY{};
   };
 
 }

src/anm2/item.cpp

@@ -126,16 +126,14 @@ namespace anm2ed::anm2
     return frame;
   }
 
-  void Item::frames_change(FrameChange change, ChangeType type, int start, int numberFrames)
+  void Item::frames_change(FrameChange change, ChangeType type, std::set<int>& selection)
   {
-    auto useStart = numberFrames > -1 ? start : 0;
-    auto end = numberFrames > -1 ? start + numberFrames : (int)frames.size();
-    end = glm::clamp(end, start, (int)frames.size());
-
     const auto clamp_identity = [](auto value) { return value; };
     const auto clamp01 = [](auto value) { return glm::clamp(value, 0.0f, 1.0f); };
     const auto clamp_duration = [](int value) { return std::max(FRAME_DURATION_MIN, value); };
 
+    if (selection.empty()) return;
+
     auto apply_scalar_with_clamp = [&](auto& target, const auto& optionalValue, auto clampFunc)
     {
       if (!optionalValue) return;
@@ -165,12 +163,15 @@ namespace anm2ed::anm2
     auto apply_scalar = [&](auto& target, const auto& optionalValue)
     { apply_scalar_with_clamp(target, optionalValue, clamp_identity); };
 
-    for (int i = useStart; i < end; i++)
+    for (auto i : selection)
     {
+      if (!vector::in_bounds(frames, i)) continue;
       Frame& frame = frames[i];
 
       if (change.isVisible) frame.isVisible = *change.isVisible;
       if (change.isInterpolated) frame.isInterpolated = *change.isInterpolated;
+      if (change.isFlipX) frame.scale.x = -frame.scale.y;
+      if (change.isFlipY) frame.scale.y = -frame.scale.y;
 
       apply_scalar(frame.rotation, change.rotation);
       apply_scalar_with_clamp(frame.duration, change.duration, clamp_duration);

src/anm2/item.h

@@ -20,7 +20,7 @@ namespace anm2ed::anm2
     std::string to_string(Type, int = -1);
     int length(Type);
     Frame frame_generate(float, Type);
-    void frames_change(FrameChange, ChangeType, int, int = 0);
+    void frames_change(FrameChange, ChangeType, std::set<int>&);
     bool frames_deserialize(const std::string&, Type, int, std::set<int>&, std::string*);
     void frames_bake(int, int, bool, bool);
     void frames_generate_from_grid(glm::ivec2, glm::ivec2, glm::ivec2, int, int, int);