Implemented rebinding inputs from UI (controller only so far) and built minimal UI for doing so

include/recomp_input.h

@@ -6,11 +6,14 @@
 #include <vector>
 #include <type_traits>
 #include <span>
+#include <string>
 
 namespace recomp {
     struct InputField {
-        uint32_t device_type;
+        uint32_t input_type;
         int32_t input_id;
+        std::string to_string() const;
+        auto operator<=>(const InputField& rhs) const = default;
     };
 
     void poll_inputs();
@@ -18,6 +21,16 @@ namespace recomp {
     float get_input_analog(const std::span<const recomp::InputField> fields);
     bool get_input_digital(const InputField& field);
     bool get_input_digital(const std::span<const recomp::InputField> fields);
+
+    enum class InputDevice {
+        Controller,
+        Keyboard,
+        COUNT
+    };
+
+    void start_scanning_input(InputDevice device);
+    void finish_scanning_input(InputField scanned_field);
+    InputField get_scanned_input();
     
     struct DefaultN64Mappings {
         std::vector<InputField> a;
@@ -46,13 +59,20 @@ namespace recomp {
     extern const DefaultN64Mappings default_n64_keyboard_mappings;
     extern const DefaultN64Mappings default_n64_controller_mappings;
 
+    constexpr size_t bindings_per_input = 2;
+
     // Loads the user's saved controller mapping if one exists, loads the default mappings if no saved mapping exists.
     void init_control_mappings();
+    size_t get_num_inputs();
+    const std::vector<std::string>& get_input_names();
+    InputField& get_input_binding(size_t input_index, size_t binding_index, InputDevice device);
+    void set_input_binding(size_t input_index, size_t binding_index, InputDevice device, InputField value);
 
     void get_n64_input(uint16_t* buttons_out, float* x_out, float* y_out);
     void handle_events();
 
     bool game_input_disabled();
+    bool all_input_disabled();
 
     // TODO move these
     void quicksave_save();