Initial engine repository

Frostbite2D/include/frostbite2D/event/event.h

@@ -0,0 +1,63 @@
+#pragma once
+
+#include <frostbite2D/types/type_alias.h>
+
+namespace frostbite2D {
+
+class Actor;
+
+enum class EventType : int32 {
+  None = 0,
+  WindowClose,
+  WindowResize,
+  WindowFocus,
+  WindowMinimize,
+  WindowMaximize,
+  WindowRestore,
+  KeyDown,
+  KeyUp,
+  KeyText,
+  MouseMove,
+  MouseButtonDown,
+  MouseButtonUp,
+  MouseWheel,
+  TouchDown,
+  TouchUp,
+  TouchMove,
+  JoystickAxis,
+  JoystickBall,
+  JoystickHat,
+  JoystickButtonDown,
+  JoystickButtonUp,
+  Custom
+};
+
+class Event {
+public:
+  virtual ~Event() = default;
+  
+  virtual EventType getType() const = 0;
+  
+  bool isHandled() const { return handled_; }
+  void setHandled(bool handled) { handled_ = handled; }
+  
+  bool isPropagationStopped() const { return propagationStopped_; }
+  void stopPropagation() { propagationStopped_ = true; }
+  
+  Actor* getSource() const { return source_; }
+  void setSource(Actor* actor) { source_ = actor; }
+  
+  uint32 getTimestamp() const { return timestamp_; }
+  
+protected:
+  Event() = default;
+  Event(uint32 timestamp)
+    : timestamp_(timestamp) {}
+  
+  bool handled_ = false;
+  bool propagationStopped_ = false;
+  Actor* source_ = nullptr;
+  uint32 timestamp_ = 0;
+};
+
+}

Frostbite2D/include/frostbite2D/event/joystick_event.h

@@ -0,0 +1,112 @@
+#pragma once
+
+#include <frostbite2D/event/event.h>
+#include <SDL2/SDL_joystick.h>
+
+namespace frostbite2D {
+
+class JoystickEvent : public Event {
+public:
+  JoystickEvent(EventType type, uint32 timestamp, int32 deviceId)
+    : Event(timestamp)
+    , type_(type)
+    , deviceId_(deviceId) {}
+  
+  EventType getType() const override {
+    return type_;
+  }
+  
+  int32 getDeviceId() const { return deviceId_; }
+  
+protected:
+  EventType type_;
+  int32 deviceId_;
+};
+
+class JoystickAxisEvent : public JoystickEvent {
+public:
+  JoystickAxisEvent(uint32 timestamp, int32 deviceId, uint8 axis, int16 value)
+    : JoystickEvent(EventType::JoystickAxis, timestamp, deviceId)
+    , axis_(axis)
+    , value_(value) {}
+  
+  uint8 getAxis() const { return axis_; }
+  int16 getValue() const { return value_; }
+  
+  float getNormalizedValue() const {
+    return static_cast<float>(value_) / 32767.0f;
+  }
+  
+private:
+  uint8 axis_;
+  int16 value_;
+};
+
+class JoystickBallEvent : public JoystickEvent {
+public:
+  JoystickBallEvent(uint32 timestamp, int32 deviceId, uint8 ball, int16 dx, int16 dy)
+    : JoystickEvent(EventType::JoystickBall, timestamp, deviceId)
+    , ball_(ball)
+    , dx_(dx)
+    , dy_(dy) {}
+  
+  uint8 getBall() const { return ball_; }
+  int16 getDX() const { return dx_; }
+  int16 getDY() const { return dy_; }
+  
+private:
+  uint8 ball_;
+  int16 dx_;
+  int16 dy_;
+};
+
+class JoystickHatEvent : public JoystickEvent {
+public:
+  JoystickHatEvent(uint32 timestamp, int32 deviceId, uint8 hat, uint8 value)
+    : JoystickEvent(EventType::JoystickHat, timestamp, deviceId)
+    , hat_(hat)
+    , value_(value) {}
+  
+  uint8 getHat() const { return hat_; }
+  uint8 getValue() const { return value_; }
+  
+  bool isCentered() const { return value_ == SDL_HAT_CENTERED; }
+  bool isUp() const { return (value_ & SDL_HAT_UP) != 0; }
+  bool isRight() const { return (value_ & SDL_HAT_RIGHT) != 0; }
+  bool isDown() const { return (value_ & SDL_HAT_DOWN) != 0; }
+  bool isLeft() const { return (value_ & SDL_HAT_LEFT) != 0; }
+  
+private:
+  uint8 hat_;
+  uint8 value_;
+};
+
+class JoystickButtonEvent : public JoystickEvent {
+public:
+  JoystickButtonEvent(EventType type, uint32 timestamp, int32 deviceId, uint8 button)
+    : JoystickEvent(type, timestamp, deviceId)
+    , button_(button) {}
+  
+  EventType getType() const override {
+    return type_;
+  }
+  
+  uint8 getButton() const { return button_; }
+  
+private:
+  uint8 button_;
+};
+
+class JoystickButtonDownEvent : public JoystickButtonEvent {
+public:
+  JoystickButtonDownEvent(uint32 timestamp, int32 deviceId, uint8 button)
+    : JoystickButtonEvent(EventType::JoystickButtonDown, timestamp, deviceId, button) {}
+};
+
+class JoystickButtonUpEvent : public JoystickButtonEvent {
+public:
+  JoystickButtonUpEvent(uint32 timestamp, int32 deviceId, uint8 button)
+    : JoystickButtonEvent(EventType::JoystickButtonUp, timestamp, deviceId, button) {}
+};
+
+}

Frostbite2D/include/frostbite2D/event/key_event.h

@@ -0,0 +1,208 @@
+#pragma once
+
+#include <frostbite2D/event/event.h>
+#include <SDL2/SDL_keyboard.h>
+#include <string>
+
+namespace frostbite2D {
+
+enum class KeyCode {
+  Unknown = SDLK_UNKNOWN,
+  Return = SDLK_RETURN,
+  Escape = SDLK_ESCAPE,
+  Backspace = SDLK_BACKSPACE,
+  Tab = SDLK_TAB,
+  Space = SDLK_SPACE,
+  Exclaim = SDLK_EXCLAIM,
+  Quotedbl = SDLK_QUOTEDBL,
+  Hash = SDLK_HASH,
+  Percent = SDLK_PERCENT,
+  Dollar = SDLK_DOLLAR,
+  Ampersand = SDLK_AMPERSAND,
+  Quote = SDLK_QUOTE,
+  LeftParen = SDLK_LEFTPAREN,
+  RightParen = SDLK_RIGHTPAREN,
+  Asterisk = SDLK_ASTERISK,
+  Plus = SDLK_PLUS,
+  Comma = SDLK_COMMA,
+  Minus = SDLK_MINUS,
+  Period = SDLK_PERIOD,
+  Slash = SDLK_SLASH,
+  Num0 = SDLK_0,
+  Num1 = SDLK_1,
+  Num2 = SDLK_2,
+  Num3 = SDLK_3,
+  Num4 = SDLK_4,
+  Num5 = SDLK_5,
+  Num6 = SDLK_6,
+  Num7 = SDLK_7,
+  Num8 = SDLK_8,
+  Num9 = SDLK_9,
+  Colon = SDLK_COLON,
+  Semicolon = SDLK_SEMICOLON,
+  Less = SDLK_LESS,
+  Equals = SDLK_EQUALS,
+  Greater = SDLK_GREATER,
+  Question = SDLK_QUESTION,
+  At = SDLK_AT,
+  LeftBracket = SDLK_LEFTBRACKET,
+  Backslash = SDLK_BACKSLASH,
+  RightBracket = SDLK_RIGHTBRACKET,
+  Caret = SDLK_CARET,
+  Underscore = SDLK_UNDERSCORE,
+  Backquote = SDLK_BACKQUOTE,
+  a = SDLK_a,
+  b = SDLK_b,
+  c = SDLK_c,
+  d = SDLK_d,
+  e = SDLK_e,
+  f = SDLK_f,
+  g = SDLK_g,
+  h = SDLK_h,
+  i = SDLK_i,
+  j = SDLK_j,
+  k = SDLK_k,
+  l = SDLK_l,
+  m = SDLK_m,
+  n = SDLK_n,
+  o = SDLK_o,
+  p = SDLK_p,
+  q = SDLK_q,
+  r = SDLK_r,
+  s = SDLK_s,
+  t = SDLK_t,
+  u = SDLK_u,
+  v = SDLK_v,
+  w = SDLK_w,
+  x = SDLK_x,
+  y = SDLK_y,
+  z = SDLK_z,
+  CapsLock = SDLK_CAPSLOCK,
+  F1 = SDLK_F1,
+  F2 = SDLK_F2,
+  F3 = SDLK_F3,
+  F4 = SDLK_F4,
+  F5 = SDLK_F5,
+  F6 = SDLK_F6,
+  F7 = SDLK_F7,
+  F8 = SDLK_F8,
+  F9 = SDLK_F9,
+  F10 = SDLK_F10,
+  F11 = SDLK_F11,
+  F12 = SDLK_F12,
+  PrintScreen = SDLK_PRINTSCREEN,
+  ScrollLock = SDLK_SCROLLLOCK,
+  Pause = SDLK_PAUSE,
+  Insert = SDLK_INSERT,
+  Home = SDLK_HOME,
+  PageUp = SDLK_PAGEUP,
+  Delete = SDLK_DELETE,
+  End = SDLK_END,
+  PageDown = SDLK_PAGEDOWN,
+  Right = SDLK_RIGHT,
+  Left = SDLK_LEFT,
+  Down = SDLK_DOWN,
+  Up = SDLK_UP,
+  Numpad0 = SDLK_KP_0,
+  Numpad1 = SDLK_KP_1,
+  Numpad2 = SDLK_KP_2,
+  Numpad3 = SDLK_KP_3,
+  Numpad4 = SDLK_KP_4,
+  Numpad5 = SDLK_KP_5,
+  Numpad6 = SDLK_KP_6,
+  Numpad7 = SDLK_KP_7,
+  Numpad8 = SDLK_KP_8,
+  Numpad9 = SDLK_KP_9,
+  NumpadDecimal = SDLK_KP_DECIMAL,
+  NumpadDivide = SDLK_KP_DIVIDE,
+  NumpadMultiply = SDLK_KP_MULTIPLY,
+  NumpadMinus = SDLK_KP_MINUS,
+  NumpadPlus = SDLK_KP_PLUS,
+  NumpadEnter = SDLK_KP_ENTER,
+  NumpadEquals = SDLK_KP_EQUALS,
+  LShift = SDLK_LSHIFT,
+  RShift = SDLK_RSHIFT,
+  LCtrl = SDLK_LCTRL,
+  RCtrl = SDLK_RCTRL,
+  LAlt = SDLK_LALT,
+  RAlt = SDLK_RALT,
+  LGui = SDLK_LGUI,
+  RGui = SDLK_RGUI
+};
+
+enum class KeyMod {
+  None = KMOD_NONE,
+  LShift = KMOD_LSHIFT,
+  RShift = KMOD_RSHIFT,
+  Shift = KMOD_SHIFT,
+  LCtrl = KMOD_LCTRL,
+  RCtrl = KMOD_RCTRL,
+  Ctrl = KMOD_CTRL,
+  LAlt = KMOD_LALT,
+  RAlt = KMOD_RALT,
+  Alt = KMOD_ALT,
+  LGui = KMOD_LGUI,
+  RGui = KMOD_RGUI,
+  Gui = KMOD_GUI,
+  Num = KMOD_NUM,
+  Caps = KMOD_CAPS
+};
+
+class KeyEvent : public Event {
+public:
+  KeyEvent(uint32 timestamp, KeyCode keyCode, KeyMod modifiers, bool repeat)
+    : Event(timestamp)
+    , keyCode_(keyCode)
+    , modifiers_(modifiers)
+    , repeat_(repeat) {}
+  
+  EventType getType() const override {
+    return EventType::KeyDown;
+  }
+  
+  KeyCode getKeyCode() const { return keyCode_; }
+  KeyMod getModifiers() const { return modifiers_; }
+  bool isRepeat() const { return repeat_; }
+  
+private:
+  KeyCode keyCode_;
+  KeyMod modifiers_;
+  bool repeat_;
+};
+
+class KeyUpEvent : public Event {
+public:
+  KeyUpEvent(uint32 timestamp, KeyCode keyCode, KeyMod modifiers)
+    : Event(timestamp)
+    , keyCode_(keyCode)
+    , modifiers_(modifiers) {}
+  
+  EventType getType() const override {
+    return EventType::KeyUp;
+  }
+  
+  KeyCode getKeyCode() const { return keyCode_; }
+  KeyMod getModifiers() const { return modifiers_; }
+  
+private:
+  KeyCode keyCode_;
+  KeyMod modifiers_;
+};
+
+class KeyTextEvent : public Event {
+public:
+  KeyTextEvent(uint32 timestamp, const std::string& text)
+    : Event(timestamp)
+    , text_(text) {}
+  
+  EventType getType() const override {
+    return EventType::KeyText;
+  }
+  
+  const std::string& getText() const { return text_; }
+  
+private:
+  std::string text_;
+};
+
+}

Frostbite2D/include/frostbite2D/event/mouse_event.h

@@ -0,0 +1,108 @@
+#pragma once
+
+#include <frostbite2D/event/event.h>
+#include <frostbite2D/types/type_math.h>
+#include <SDL2/SDL_mouse.h>
+
+namespace frostbite2D {
+
+enum class MouseButton {
+  Left = SDL_BUTTON_LEFT,
+  Right = SDL_BUTTON_RIGHT,
+  Middle = SDL_BUTTON_MIDDLE,
+  X1 = SDL_BUTTON_X1,
+  X2 = SDL_BUTTON_X2
+};
+
+class MouseEvent : public Event {
+public:
+  MouseEvent(EventType type, uint32 timestamp, const Vec2& position)
+    : Event(timestamp)
+    , type_(type)
+    , position_(position) {}
+  
+  virtual ~MouseEvent() = default;
+  
+  EventType getType() const override { return type_; }
+  const Vec2& getPosition() const { return position_; }
+  int32 getX() const { return static_cast<int32>(position_.x); }
+  int32 getY() const { return static_cast<int32>(position_.y); }
+  
+protected:
+  EventType type_;
+  Vec2 position_;
+};
+
+class MouseMoveEvent : public Event {
+public:
+  MouseMoveEvent(uint32 timestamp, const Vec2& position, const Vec2& relative)
+    : Event(timestamp)
+    , position_(position)
+    , relative_(relative) {}
+  
+  EventType getType() const override {
+    return EventType::MouseMove;
+  }
+  
+  const Vec2& getPosition() const { return position_; }
+  const Vec2& getRelative() const { return relative_; }
+  
+  int32 getX() const { return static_cast<int32>(position_.x); }
+  int32 getY() const { return static_cast<int32>(position_.y); }
+  
+private:
+  Vec2 position_;
+  Vec2 relative_;
+};
+
+class MouseButtonEvent : public Event {
+public:
+  MouseButtonEvent(uint32 timestamp, MouseButton button, const Vec2& position, bool down)
+    : Event(timestamp)
+    , button_(button)
+    , position_(position)
+    , down_(down) {}
+  
+  EventType getType() const override {
+    return down_ ? EventType::MouseButtonDown : EventType::MouseButtonUp;
+  }
+  
+  MouseButton getButton() const { return button_; }
+  const Vec2& getPosition() const { return position_; }
+  bool isDown() const { return down_; }
+  
+  int32 getX() const { return static_cast<int32>(position_.x); }
+  int32 getY() const { return static_cast<int32>(position_.y); }
+  
+private:
+  MouseButton button_;
+  Vec2 position_;
+  bool down_;
+};
+
+class MouseWheelEvent : public Event {
+public:
+  MouseWheelEvent(uint32 timestamp, const Vec2& position, const Vec2& direction, bool flipped)
+    : Event(timestamp)
+    , position_(position)
+    , direction_(direction)
+    , flipped_(flipped) {}
+  
+  EventType getType() const override {
+    return EventType::MouseWheel;
+  }
+  
+  const Vec2& getPosition() const { return position_; }
+  const Vec2& getDirection() const { return direction_; }
+  bool isFlipped() const { return flipped_; }
+  
+  int32 getX() const { return static_cast<int32>(direction_.x); }
+  int32 getY() const { return static_cast<int32>(direction_.y); }
+  
+private:
+  Vec2 position_;
+  Vec2 direction_;
+  bool flipped_;
+};
+
+}

Frostbite2D/include/frostbite2D/event/touch_event.h

@@ -0,0 +1,64 @@
+#pragma once
+
+#include <frostbite2D/event/event.h>
+#include <frostbite2D/types/type_math.h>
+#include <SDL2/SDL_touch.h>
+
+namespace frostbite2D {
+
+class TouchEvent : public Event {
+public:
+  TouchEvent(EventType type, uint32 timestamp, int64 touchId, int64 fingerId, 
+             const Vec2& position, const Vec2& delta, float pressure)
+    : Event(timestamp)
+    , type_(type)
+    , touchId_(touchId)
+    , fingerId_(fingerId)
+    , position_(position)
+    , delta_(delta)
+    , pressure_(pressure) {}
+  
+  EventType getType() const override {
+    return type_;
+  }
+  
+  int64 getTouchId() const { return touchId_; }
+  int64 getFingerId() const { return fingerId_; }
+  const Vec2& getPosition() const { return position_; }
+  const Vec2& getDelta() const { return delta_; }
+  float getPressure() const { return pressure_; }
+  
+private:
+  EventType type_;
+  int64 touchId_;
+  int64 fingerId_;
+  Vec2 position_;
+  Vec2 delta_;
+  float pressure_;
+};
+
+class TouchDownEvent : public TouchEvent {
+public:
+  TouchDownEvent(uint32 timestamp, int64 touchId, int64 fingerId, 
+                 const Vec2& position, float pressure)
+    : TouchEvent(EventType::TouchDown, timestamp, touchId, fingerId, 
+                 position, Vec2(0, 0), pressure) {}
+};
+
+class TouchUpEvent : public TouchEvent {
+public:
+  TouchUpEvent(uint32 timestamp, int64 touchId, int64 fingerId, 
+               const Vec2& position, float pressure)
+    : TouchEvent(EventType::TouchUp, timestamp, touchId, fingerId, 
+                 position, Vec2(0, 0), pressure) {}
+};
+
+class TouchMoveEvent : public TouchEvent {
+public:
+  TouchMoveEvent(uint32 timestamp, int64 touchId, int64 fingerId, 
+                 const Vec2& position, const Vec2& delta, float pressure)
+    : TouchEvent(EventType::TouchMove, timestamp, touchId, fingerId, 
+                 position, delta, pressure) {}
+};
+
+}

Frostbite2D/include/frostbite2D/event/window_event.h

@@ -0,0 +1,77 @@
+#pragma once
+
+#include <frostbite2D/event/event.h>
+#include <SDL2/SDL_events.h>
+
+namespace frostbite2D {
+
+class WindowEvent : public Event {
+public:
+  WindowEvent(EventType type, uint32 timestamp, int32 windowId)
+    : Event(timestamp)
+    , type_(type)
+    , windowId_(windowId) {}
+  
+  EventType getType() const override {
+    return type_;
+  }
+  
+  int32 getWindowId() const { return windowId_; }
+  
+protected:
+  EventType type_;
+  int32 windowId_;
+};
+
+class WindowCloseEvent : public WindowEvent {
+public:
+  WindowCloseEvent(uint32 timestamp, int32 windowId)
+    : WindowEvent(EventType::WindowClose, timestamp, windowId) {}
+};
+
+class WindowResizeEvent : public WindowEvent {
+public:
+  WindowResizeEvent(uint32 timestamp, int32 windowId, int32 width, int32 height)
+    : WindowEvent(EventType::WindowResize, timestamp, windowId)
+    , width_(width)
+    , height_(height) {}
+  
+  int32 getWidth() const { return width_; }
+  int32 getHeight() const { return height_; }
+  
+private:
+  int32 width_;
+  int32 height_;
+};
+
+class WindowFocusEvent : public WindowEvent {
+public:
+  WindowFocusEvent(uint32 timestamp, int32 windowId, bool focused)
+    : WindowEvent(EventType::WindowFocus, timestamp, windowId)
+    , focused_(focused) {}
+  
+  bool isFocused() const { return focused_; }
+  
+private:
+  bool focused_;
+};
+
+class WindowMinimizeEvent : public WindowEvent {
+public:
+  WindowMinimizeEvent(uint32 timestamp, int32 windowId)
+    : WindowEvent(EventType::WindowMinimize, timestamp, windowId) {}
+};
+
+class WindowMaximizeEvent : public WindowEvent {
+public:
+  WindowMaximizeEvent(uint32 timestamp, int32 windowId)
+    : WindowEvent(EventType::WindowMaximize, timestamp, windowId) {}
+};
+
+class WindowRestoreEvent : public WindowEvent {
+public:
+  WindowRestoreEvent(uint32 timestamp, int32 windowId)
+    : WindowEvent(EventType::WindowRestore, timestamp, windowId) {}
+};
+
+}