source/gameview/playerinput.h

   1 #ifndef MSP_GAMEVIEW_PLAYERINPUT_H_
   2 #define MSP_GAMEVIEW_PLAYERINPUT_H_
   3
   4 #include <memory>
   5 #include <msp/input/bindings.h>
   6 #include <msp/input/controlscheme.h>
   7 #include <msp/input/hub.h>
   8 #include <msp/input/keyboard.h>
   9 #include <msp/input/mouse.h>
  10 #include <msp/game/director.h>
  11 #include "events.h"
  12 #include "mspgameview_api.h"
  13
  14 namespace Msp::GameView {
  15
  16 class MSPGAMEVIEW_API PlayerInput: public NonCopyable
  17 {
  18 public:
  19         using EventSource = Game::EventSource<Events::PlayerArrived, Events::PlayerDeparted>;
  20
  21         enum Mode
  22         {
  23                 ONE_LOCAL_PLAYER,
  24                 LOCAL_MULTIPLAYER
  25         };
  26
  27 private:
  28         struct Player
  29         {
  30                 Input::Device *device = nullptr;
  31                 std::unique_ptr<Input::ControlScheme> controls = nullptr;
  32         };
  33
  34         using SchemeFactoryFunc = std::unique_ptr<Input::ControlScheme>();
  35
  36         EventSource event_source;
  37         Input::Keyboard keyboard;
  38         Input::Mouse mouse;
  39         Input::Hub kbm_hub;
  40         std::vector<Input::Bindings *> bindings;
  41         SchemeFactoryFunc *scheme_factory = nullptr;
  42         std::vector<Player> players;
  43         Mode mode = ONE_LOCAL_PLAYER;
  44
  45 public:
  46         PlayerInput(Game::Director &, Graphics::Window &);
  47
  48         template<typename T>
  49                 requires std::is_base_of_v<Input::ControlScheme, T>
  50         void set_control_scheme_type(Mode = ONE_LOCAL_PLAYER);
  51
  52 private:
  53         void init_players();
  54         void add_player(Input::Device &);
  55
  56 public:
  57         void synthesize_initial_events(Game::EventObserver &);
  58 };
  59
  60
  61 template<typename T>
  62         requires std::is_base_of_v<Input::ControlScheme, T>
  63 void PlayerInput::set_control_scheme_type(Mode m)
  64 {
  65         if(scheme_factory)
  66                 throw std::logic_error("scheme type already set");
  67
  68         mode = m;
  69         scheme_factory = +[]() -> std::unique_ptr<Input::ControlScheme> { return std::make_unique<T>(); };
  70         init_players();
  71 }
  72
  73 } // namespace Msp::GameView
  74
  75 #endif