ep5 mouse input

danielblagy · Mar 27, 2022 · 248977c · 248977c
1 parent 0356daf
commit 248977c
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diff --git a/dewcin_yt/src/game.cpp b/dewcin_yt/src/game.cpp
@@ -51,6 +51,23 @@ namespace dewcin
 			Input::processKeyboardInput(VKCode, wasDown, isDown);
 		}break;
 
+		case WM_LBUTTONDOWN:
+		case WM_LBUTTONUP:
+		case WM_RBUTTONDOWN:
+		case WM_RBUTTONUP:
+		case WM_MBUTTONDOWN:
+		case WM_MBUTTONUP:
+		case WM_XBUTTONDOWN:
+		case WM_XBUTTONUP:
+		{
+			Input::processMouseInput(wParam, lParam);
+		} break;
+
+		case WM_MOUSEMOVE:
+		{
+			Input::updateMousePosition(lParam);
+		} break;
+
 		case WM_PAINT:
 		{
 			OutputDebugString(L"window paint\n");

diff --git a/dewcin_yt/src/input.cpp b/dewcin_yt/src/input.cpp
@@ -3,6 +3,7 @@
 namespace dewcin
 {
 	Input::KeyboardInputMap Input::keyboard;
+	Input::MouseInputMap Input::mouse;
 
 	Input::KeyState Input::getKeyState(uint32_t keycode)
 	{
@@ -123,4 +124,49 @@ namespace dewcin
 			}
 		}
 	}
+
+
+	Input::Position Input::getMousePosition()
+	{
+		return mouse.position;
+	}
+
+	bool Input::isMouseButtonPressed(unsigned int buttonCode)
+	{
+		return mouse.buttons[buttonCode].isDown;
+	}
+
+	bool Input::isMouseButtonReleased(unsigned int buttonCode)
+	{
+		return !mouse.buttons[buttonCode].isDown;
+	}
+
+	// returns true if the mouse button has just been pressed
+	bool Input::wasMouseButtonHit(unsigned int buttonCode)
+	{
+		return (!mouse.buttons[buttonCode].wasDown) && mouse.buttons[buttonCode].isDown;
+	}
+
+	void Input::processMouseInput(WPARAM wParam, LPARAM lParam)
+	{
+		mouse.buttons[DC_MOUSE_LEFT].wasDown = mouse.buttons[DC_MOUSE_LEFT].isDown;
+		mouse.buttons[DC_MOUSE_RIGHT].wasDown = mouse.buttons[DC_MOUSE_RIGHT].isDown;
+		mouse.buttons[DC_MOUSE_MIDDLE].wasDown = mouse.buttons[DC_MOUSE_MIDDLE].isDown;
+		mouse.buttons[DC_MOUSE_X1].wasDown = mouse.buttons[DC_MOUSE_X1].isDown;
+		mouse.buttons[DC_MOUSE_X2].wasDown = mouse.buttons[DC_MOUSE_X2].isDown;
+
+		mouse.buttons[DC_MOUSE_LEFT].isDown = wParam & MK_LBUTTON;
+		mouse.buttons[DC_MOUSE_RIGHT].isDown = wParam & MK_RBUTTON;
+		mouse.buttons[DC_MOUSE_MIDDLE].isDown = wParam & MK_MBUTTON;
+		mouse.buttons[DC_MOUSE_X1].isDown = wParam & MK_XBUTTON1;
+		mouse.buttons[DC_MOUSE_X2].isDown = wParam & MK_XBUTTON2;
+
+		updateMousePosition(lParam);
+	}
+
+	void Input::updateMousePosition(LPARAM lParam)
+	{
+		mouse.position.x = GET_X_LPARAM(lParam);
+		mouse.position.y = GET_Y_LPARAM(lParam);
+	}
 }
diff --git a/dewcin_yt/src/input.h b/dewcin_yt/src/input.h
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <windows.h>
+#include <windowsx.h>
 
 #include <stdint.h>
 
@@ -62,6 +63,14 @@
 #define DC_BACKSPACE	50
 #define DC_TILDE		51
 
+#define DC_MAX_MOUSE_BUTTONS 5
+
+#define DC_MOUSE_LEFT	0
+#define DC_MOUSE_RIGHT	1
+#define DC_MOUSE_MIDDLE	2
+#define DC_MOUSE_X1		3
+#define DC_MOUSE_X2		4
+
 namespace dewcin
 {
 	class Input
@@ -84,8 +93,25 @@ namespace dewcin
 			KeyState keys[DC_MAX_KEYS];
 		};
 
+		struct ButtonState
+		{
+			bool wasDown, isDown;
+		};
+
+		struct Position
+		{
+			int x, y;
+		};
+
+		struct MouseInputMap
+		{
+			ButtonState buttons[DC_MAX_MOUSE_BUTTONS];
+			Position position;
+		};
+
 	private:
 		static KeyboardInputMap keyboard;
+		static MouseInputMap mouse;
 
 	public:
 		static KeyState getKeyState(uint32_t keycode);
@@ -96,8 +122,22 @@ namespace dewcin
 
 		// returns true if the key has just been pressed
 		static bool wasKeyHit(uint32_t keycode);
+
+
+		static Position getMousePosition();
+
+		static bool isMouseButtonPressed(unsigned int buttonCode);
+
+		static bool isMouseButtonReleased(unsigned int buttonCode);
+
+		// returns true if the mouse button has just been pressed
+		static bool wasMouseButtonHit(unsigned int buttonCode);
 
 	private:
 		static void processKeyboardInput(uint32_t VKCode, bool wasDown, bool isDown);
+
+		static void processMouseInput(WPARAM wParam, LPARAM lParam);
+
+		static void updateMousePosition(LPARAM lParam);
 	};
 }
diff --git a/dewcin_yt/src/main.cpp b/dewcin_yt/src/main.cpp
@@ -25,6 +25,13 @@ dewcin_app_entry_point
 			x -= 10;
 		else if (dewcin::Input::isKeyPressed(DC_RIGHT))
 			x += 10;
+
+		if (dewcin::Input::isMouseButtonPressed(DC_MOUSE_MIDDLE))
+			OutputDebugString(L"mouse middle button pressed!\n");
+
+		dewcin::Input::Position mousePosition = dewcin::Input::getMousePosition();
+		swprintf(charBuffer, 256, L"%d, %d\n", mousePosition.x, mousePosition.y);
+		OutputDebugString(charBuffer);
 	}
 	);