mouse cursor

kernel/src/BasicRenderer.cpp

@@ -51,6 +51,33 @@ void BasicRenderer::Print(const char* str) {
 	}
 }
 
+void BasicRenderer::PutPixel(uint32_t x, uint32_t y, uint32_t colour) {
+
+	*(uint32_t*)((uint64_t)targetFramebuffer->BaseAddress + (x*4) + (y * targetFramebuffer->PixelsPerScanline * 4)) = colour;
+
+}
+
+void BasicRenderer::DrawOverlayMouseCursor(uint8_t* mouseCursor, Point position, uint32_t colour) {
+	int xMax = 16;
+	int yMax = 19;
+	int diffX = targetFramebuffer->Width - position.x;
+	int diffY = targetFramebuffer->Height - position.y;
+
+	if (diffX < 16) xMax = diffX;
+	if (diffY < 19) yMax = diffY;
+
+	for (int y = 0; y < yMax; y++) {
+		for (int x = 0; x < xMax; x++) {
+			int bit = y * 16 + x;
+			int byte = bit / 8;
+
+			if (mouseCursor[byte] & (0b10000000 >> (x % 8))) {
+				PutPixel(position.x + x, position.y + y, colour);
+			}
+		}
+	}
+}
+
 void BasicRenderer::Clear() {
 	uint64_t fbBase = (uint64_t)targetFramebuffer->BaseAddress;
     uint64_t bytesPerScanline = targetFramebuffer->PixelsPerScanline * 4;

kernel/src/BasicRenderer.h

@@ -15,9 +15,11 @@ class BasicRenderer {
 		void Print(const char* str);
 		void PutChar(char chr, unsigned int xOff, unsigned int yOff);
 		void PutChar(char chr);
+		void PutPixel(uint32_t x, uint32_t y, uint32_t colour);
 		void ClearChar();
 		void Clear();
 		void Next();
+		void DrawOverlayMouseCursor(uint8_t* mouseCursor, Point position, uint32_t colour);
 };
 
 extern BasicRenderer* GlobalRenderer;

kernel/src/userinput/mouse.cpp

@@ -1,6 +1,29 @@
 #include "mouse.h"
 #include "../IO.h"
 
+uint8_t MousePointer[] = {
+    0b10000000, 0b00000000, 
+    0b11000000, 0b00000000, 
+    0b10100000, 0b00000000, 
+    0b10010000, 0b00000000, 
+    0b10001000, 0b00000000, 
+    0b10000100, 0b00000000, 
+    0b10000010, 0b00000000, 
+    0b10000001, 0b00000000, 
+    0b10000000, 0b10000000, 
+    0b10000000, 0b01000000, 
+    0b10000000, 0b00100000, 
+    0b10000000, 0b00010000, 
+    0b10000001, 0b11110000, 
+    0b10010001, 0b00000000, 
+    0b10101000, 0b10000000, 
+    0b11000100, 0b10000000, 
+    0b00000010, 0b01000000, 
+    0b00000010, 0b01000000, 
+    0b00000001, 0b10000000, 
+};
+
+
 void MouseWait() {
 	uint64_t timeout = 100000;
 	while (timeout--) {
@@ -113,6 +136,8 @@ void ProcessMousePacket() {
 	if (mousePosition.x > GlobalRenderer->targetFramebuffer->Width-1) mousePosition.x = GlobalRenderer->targetFramebuffer->Width;
 	if (mousePosition.y < 0) mousePosition.y = 0;
 	if (mousePosition.y > GlobalRenderer->targetFramebuffer->Height-1) mousePosition.y = GlobalRenderer->targetFramebuffer->Height;
+
+	GlobalRenderer->DrawOverlayMouseCursor(MousePointer, mousePosition, 0xFFFFFFFF);
 }
 
 void InitPS2Mouse() {

kernel/src/userinput/mouse.h

@@ -3,6 +3,7 @@
 #include "../math.h"
 #include "../BasicRenderer.h"
 
+extern uint8_t MousePointer[];
 #define PS2LeftButton 0b00000001
 #define PS2MiddleButton 0b00000010
 #define PS2RightButton 0b00000100