presets: bug fix. anon struct should be inside union. add clamping.

UFV Controller/imgui.ini

@@ -102,7 +102,7 @@ Collapsed=0
 DockId=0x00000010,0
 
 [Docking][Data]
-DockSpace             ID=0xF2944C7F Window=0x4647B76E Pos=138,187 Size=1600,874 Split=Y
+DockSpace             ID=0xF2944C7F Window=0x4647B76E Pos=64,108 Size=1600,874 Split=Y
   DockNode            ID=0x0000000A Parent=0xF2944C7F SizeRef=1920,704 Split=X
     DockNode          ID=0x00000003 Parent=0x0000000A SizeRef=1088,874 Split=X
       DockNode        ID=0x0000000B Parent=0x00000003 SizeRef=505,874 Split=X Selected=0xB10717DB

UFV Controller/src/Layers/PresetsLayer.cpp

@@ -1,6 +1,18 @@
 #include "PresetsLayer.h"
 #include "../Win32Helpers.h"
 
+static void ClampPresets()
+{
+	for (int i = 0; i < NUM_PRESETS; ++i)
+	{
+		angle_preset* preset = g_anglePresets + i;
+		if (preset->pan < -80) preset->pan = -80;
+		if (preset->pan > 80) preset->pan = 80;
+		if (preset->tilt < -5) preset->tilt = -5;
+		if (preset->tilt > 80) preset->tilt = 80;
+	}
+}
+
 static void SavePresets()
 {
 	HANDLE file = CreateFileA("presets.dat", GENERIC_WRITE, 0, 0, CREATE_ALWAYS, 0, 0);
@@ -33,6 +45,8 @@ static void LoadPresets()
 	else
 		Win32Log("[LoadPresets] CreateFileA() failed with error %d: %s",
 			GetLastError(), Win32GetErrorCodeDescription(GetLastError()).c_str());
+
+	ClampPresets();
 }
 
 void PresetsLayer::OnUIRender()
@@ -51,6 +65,8 @@ void PresetsLayer::OnUIRender()
 		ImGui::InputInt2(buf2, g_anglePresets[i].angles);
 	}
 
+	ClampPresets();
+
 	if (ImGui::Button("Save these presets"))
 	{
 		SavePresets();

UFV Controller/src/WalnutApp.h

@@ -14,14 +14,14 @@ extern ufv_state g_ufvState;
 #define NUM_PRESETS 6
 struct angle_preset
 {
-	struct
-	{
-		int pan;
-		int tilt;
-	};
 	union
 	{
 		int angles[2];
+		struct
+		{
+			int pan;
+			int tilt;
+		};
 	};
 };