Need to save anm2 first before doing anything, should eliminate a few problems

src/anm2.cpp

@@ -123,7 +123,9 @@ bool anm2_serialize(Anm2* self, const std::string& path)
 		
 	// Animations
 	animationsElement = document.NewElement(ANM2_ELEMENT_STRINGS[ANM2_ELEMENT_ANIMATIONS]);
-	animationsElement->SetAttribute(ANM2_ATTRIBUTE_STRINGS[ANM2_ATTRIBUTE_DEFAULT_ANIMATION], self->animations[self->defaultAnimationID].name.c_str()); // DefaultAnimation
+	
+	if (self->defaultAnimationID != ID_NONE)
+		animationsElement->SetAttribute(ANM2_ATTRIBUTE_STRINGS[ANM2_ATTRIBUTE_DEFAULT_ANIMATION], self->animations[self->defaultAnimationID].name.c_str()); // DefaultAnimation
 
 	for (auto& [id, animation] : self->animations)
 	{

src/anm2.h

@@ -211,7 +211,7 @@ struct Anm2
     std::map<s32, Anm2Event> events;
 	std::map<s32, Anm2Animation> animations; 
     std::map<s32, s32> layerMap; // index, id
-    s32 defaultAnimationID{};
+    s32 defaultAnimationID = ID_NONE;
     s32 fps = ANM2_FPS_DEFAULT;
 	s32 version{};
 };

src/imgui.cpp

@@ -35,15 +35,16 @@ static void _imgui_anm2_open(Imgui* self, const std::string& path)
 
 static void _imgui_spritesheet_add(Imgui* self, const std::string& path)
 {
-	std::filesystem::path workingPath = std::filesystem::current_path();
-	std::string spritesheetPath = path;
-
-	if (!self->anm2->path.empty())
+	if (self->anm2->path.empty())
 	{
-		std::string anm2WorkingPath = working_directory_from_file_set(self->anm2->path);
-		spritesheetPath = std::filesystem::relative(path, anm2WorkingPath).string();
+		imgui_log_push(self, IMGUI_LOG_NO_ANM2_PATH);
+		return;
 	}
 
+	std::filesystem::path workingPath = std::filesystem::current_path();
+	std::string spritesheetPath = path;
+	std::string anm2WorkingPath = working_directory_from_file_set(self->anm2->path);
+	spritesheetPath = std::filesystem::relative(path, anm2WorkingPath).string();
 	s32 id = map_next_id_get(self->anm2->spritesheets);
 	self->anm2->spritesheets[id] = Anm2Spritesheet{};
 	self->anm2->spritesheets[id].path = spritesheetPath;
@@ -209,7 +210,8 @@ static void _imgui_item_post(const ImguiItem& self, Imgui* imgui, ImguiItemType
 		if (self.is_undoable()) 
 			imgui_snapshot(imgui, self.snapshotAction);
 
-		if (self.function) self.function(imgui);
+		if (self.function) 
+			self.function(imgui);
 
 		if (self.is_popup())
 		{
@@ -1754,12 +1756,12 @@ static void _imgui_animations(Imgui* self)
 	
 	_imgui_begin_child(IMGUI_FOOTER_CHILD, self);
 	
-	if (_imgui_button(IMGUI_ANIMATION_ADD, self))
+	if (_imgui_button(IMGUI_ANIMATION_ADD.copy({self->anm2->path.empty()}), self))
 	{
 		s32 id = anm2_animation_add(self->anm2);
 		self->reference->animationID = id;
 
-		if (self->anm2->animations.size() == 0)
+		if (self->anm2->animations.size() == 1)
 			self->anm2->defaultAnimationID = id;
 	}
 
@@ -1924,7 +1926,7 @@ static void _imgui_events(Imgui* self)
 	
 	_imgui_begin_child(IMGUI_FOOTER_CHILD, self);
 	
-	if (_imgui_button(IMGUI_EVENTS_ADD, self))
+	if (_imgui_button(IMGUI_EVENTS_ADD.copy({self->anm2->path.empty()}), self))
 	{
 		s32 id = map_next_id_get(self->anm2->events);
 		self->anm2->events[id] = Anm2Event{}; 
@@ -2027,8 +2029,8 @@ static void _imgui_spritesheets(Imgui* self)
 		
 	_imgui_begin_child(IMGUI_SPRITESHEETS_FOOTER_CHILD, self);
 	
-	if (_imgui_button(IMGUI_SPRITESHEET_ADD, self))
-    	dialog_spritesheet_add(self->dialog);
+	if (_imgui_button(IMGUI_SPRITESHEET_ADD.copy({self->anm2->path.empty()}), self))
+		dialog_spritesheet_add(self->dialog);
 
 	if (self->dialog->isSelected && self->dialog->type == DIALOG_SPRITESHEET_ADD)
 	{
@@ -2227,8 +2229,8 @@ static void _imgui_animation_preview(Imgui* self)
 	const bool isUp = ImGui::IsKeyPressed(IMGUI_INPUT_UP);
 	const bool isDown = ImGui::IsKeyPressed(IMGUI_INPUT_DOWN);
 	const bool isMod = ImGui::IsKeyDown(IMGUI_INPUT_SHIFT);
-	const bool isZoomIn = ImGui::IsKeyDown(IMGUI_INPUT_ZOOM_IN);
-	const bool isZoomOut = ImGui::IsKeyDown(IMGUI_INPUT_ZOOM_OUT);
+	const bool isZoomIn = ImGui::IsKeyPressed(IMGUI_INPUT_ZOOM_IN);
+	const bool isZoomOut = ImGui::IsKeyPressed(IMGUI_INPUT_ZOOM_OUT);
 	const bool isMouseClick = ImGui::IsMouseClicked(ImGuiMouseButton_Left);
 	const bool isMouseDown = ImGui::IsMouseDown(ImGuiMouseButton_Left);
 	const bool isMouseMiddleDown = ImGui::IsMouseDown(ImGuiMouseButton_Middle);
@@ -2357,8 +2359,8 @@ static void _imgui_spritesheet_editor(Imgui* self)
 	const bool isMouseClick = ImGui::IsMouseClicked(ImGuiMouseButton_Left);
 	const bool isMouseDown = ImGui::IsMouseDown(ImGuiMouseButton_Left);
 	const bool isMouseMiddleDown = ImGui::IsMouseDown(ImGuiMouseButton_Middle);
-	const bool isZoomIn = ImGui::IsKeyDown(IMGUI_INPUT_ZOOM_IN);
-	const bool isZoomOut = ImGui::IsKeyDown(IMGUI_INPUT_ZOOM_OUT);
+	const bool isZoomIn = ImGui::IsKeyPressed(IMGUI_INPUT_ZOOM_IN);
+	const bool isZoomOut = ImGui::IsKeyPressed(IMGUI_INPUT_ZOOM_OUT);
 	const bool isMod = ImGui::IsKeyDown(IMGUI_INPUT_SHIFT);
 	const f32 mouseWheel = ImGui::GetIO().MouseWheel;
 	const ImVec2 mouseDelta = ImGui::GetIO().MouseDelta;

src/imgui.h

@@ -75,6 +75,7 @@
 #define IMGUI_POPUP_FLAGS ImGuiWindowFlags_NoMove
 #define IMGUI_POPUP_MODAL_FLAGS ImGuiWindowFlags_NoMove | ImGuiWindowFlags_AlwaysAutoResize
 
+#define IMGUI_LOG_NO_ANM2_PATH "Please save the .anm2 to a path first!"
 #define IMGUI_LOG_FILE_OPEN_FORMAT "Opened anm2: {}" 
 #define IMGUI_LOG_FILE_SAVE_FORMAT "Saved anm2 to: {}" 
 #define IMGUI_LOG_SPRITESHEET_RELOAD "Reloaded selected spritesheets"
@@ -274,6 +275,7 @@ static inline void imgui_explore(Imgui* self)
 
 static inline void imgui_snapshot(Imgui* self, const std::string& action = SNAPSHOT_ACTION)
 {
+    self->snapshots->action = action;
     Snapshot snapshot = snapshot_get(self->snapshots);
     snapshots_undo_push(self->snapshots, &snapshot);
 }