Initial Cross Platform Work

include/pd/core/hid_driver.hpp

@@ -0,0 +1,175 @@
+#pragma once
+
+/*
+MIT License
+Copyright (c) 2024 - 2025 René Amthor (tobid7)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+ */
+
+#include <pd/core/common.hpp>
+#include <pd/core/vec.hpp>
+
+namespace PD {
+/** Input Driver Template class */
+class PD_CORE_API Hid : public SmartCtor<Hid> {
+ public:
+  /** Key [Controller] */
+  enum Key : u32 {
+    No = 0,                    ///< No Key
+    A = 1 << 0,                ///< A
+    B = 1 << 1,                ///< B
+    X = 1 << 2,                ///< X
+    Y = 1 << 3,                ///< Y
+    Start = 1 << 4,            ///< Start
+    Select = 1 << 5,           ///< Select
+    L = 1 << 6,                ///< L
+    R = 1 << 7,                ///< R
+    DUp = 1 << 8,              ///< Dpad Up
+    DDown = 1 << 9,            ///< Dpad down
+    DLeft = 1 << 10,           ///< Dpad left
+    DRight = 1 << 11,          ///< Dpad right
+    CPUp = 1 << 12,            ///< Cpad up
+    CPDown = 1 << 13,          ///< cpad down
+    CPLeft = 1 << 14,          ///< cpad left
+    CPRight = 1 << 15,         ///< Cpad right
+    CSUp = 1 << 16,            ///< Cstick up
+    CSDown = 1 << 17,          ///< cstick down
+    CSLeft = 1 << 18,          ///< cstick left
+    CSRight = 1 << 19,         ///< cstick right
+    ZL = 1 << 20,              ///< ZL
+    ZR = 1 << 21,              ///< ZR
+    Touch = 1 << 22,           ///< Touch
+    Up = DUp | CPUp,           ///< DPad or CPad Up
+    Down = DDown | CPDown,     ///< DPad or CPad Down
+    Left = DLeft | CPLeft,     ///< DPad or CPad Left
+    Right = DRight | CPRight,  ///< DPad or CPad Right
+  };
+  /** Event */
+  enum Event {
+    Event_Down,  ///< Key Pressed
+    Event_Held,  ///< Key Held
+    Event_Up,    ///< Key released
+  };
+  Hid(const std::string& name = "NullBackend") : pName(name) {}
+  ~Hid() = default;
+
+  /**
+   * Get TOuch Position
+   * @return touch pos
+   */
+  fvec2 TouchPos() const { return touch[0]; }
+  /**
+   * Get Last Touch Position (from last frame)
+   * @return touch pos
+   */
+  fvec2 TouchPosLast() const { return touch[1]; }
+
+  /**
+   * Check for a Button Event
+   * @param e Event Type
+   * @param keys Keys to check for
+   * @return if key(s) doing the requiested event
+   */
+  bool IsEvent(Event e, Key keys);
+  /**
+   * Check for Key Press Event
+   * @param keys set of keys
+   * @return true if key is pressed
+   */
+  bool IsDown(Key keys) const { return key_events[0].at(Event_Down) & keys; }
+  /**
+   * Check for Key Held Event
+   * @param keys set of keys
+   * @return true if key is held
+   */
+  bool IsHeld(Key keys) const { return key_events[0].at(Event_Held) & keys; }
+  /**
+   * Check for Key Release Event
+   * @param keys set of keys
+   * @return true if key is released
+   */
+  bool IsUp(Key keys) const { return key_events[0].at(Event_Up) & keys; }
+
+  /**
+   * Sett all keyevents to 0
+   */
+  void Clear() {
+    for (int i = 0; i < 2; i++) {
+      key_events[i][Event_Down] = 0;
+      key_events[i][Event_Up] = 0;
+      key_events[i][Event_Held] = 0;
+    }
+  }
+
+  /**
+   * Lock input driver
+   * @param v lock or not lock
+   */
+  void Lock(bool v) {
+    if (v != locked) {
+      SwappyTable();
+    }
+    locked = v;
+  }
+  /**
+   * Check if Driver is locked
+   * @return true if locked
+   */
+  bool Locked() const { return locked; }
+  /**
+   * Lock Input Driver
+   */
+  void Lock() {
+    if (!locked) {
+      SwappyTable();
+    }
+    locked = true;
+  }
+  /**
+   * Unlock Input Driver
+   */
+  void Unlock() {
+    if (locked) {
+      SwappyTable();
+    }
+    locked = false;
+  }
+
+  /**
+   * Template Update Function for a device specific driver
+   */
+  virtual void Update() {}
+
+  /** Backend Identification Name */
+  const std::string pName;
+
+ protected:
+  /** Key binds map */
+  std::unordered_map<u32, u32> binds;
+  /** Function to swap around the Table */
+  void SwappyTable();
+  /** Using 2 Touch positions for current and last frame */
+  fvec2 touch[2];
+  /** locked state */
+  bool locked = false;
+  /** Key event tables */
+  std::unordered_map<Event, u32> key_events[2];
+};
+}  // namespace PD