Added some debugging tools

box/dbg_profiler.c

@@ -0,0 +1,116 @@
+#include "dbg_profiler.h"
+
+#include "toy_memory.h"
+
+#include <stdio.h>
+
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+//https://stackoverflow.com/questions/2347770/how-do-you-clear-the-console-screen-in-c
+void Dbg_clearConsole()
+{
+	HANDLE					 hStdOut;
+	CONSOLE_SCREEN_BUFFER_INFO csbi;
+	DWORD					  count;
+	DWORD					  cellCount;
+	COORD					  homeCoords = { 0, 0 };
+
+	hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
+	if (hStdOut == INVALID_HANDLE_VALUE) return;
+
+	/* Get the number of cells in the current buffer */
+	if (!GetConsoleScreenBufferInfo(hStdOut, &csbi)) return;
+	cellCount = csbi.dwSize.X * csbi.dwSize.Y;
+
+	/* Fill the entire buffer with spaces */
+	if (!FillConsoleOutputCharacter(
+		hStdOut,
+		(TCHAR)' ',
+		cellCount,
+		homeCoords,
+		&count
+	)) return;
+
+	/* Fill the entire buffer with the current colors and attributes */
+	if (!FillConsoleOutputAttribute(
+		hStdOut,
+		csbi.wAttributes,
+		cellCount,
+		homeCoords,
+		&count
+	)) return;
+
+	/* Move the cursor home */
+	SetConsoleCursorPosition(hStdOut, homeCoords);
+}
+
+#else // !_WIN32
+#include <unistd.h>
+#include <term.h>
+
+void Dbg_clearConsole()
+{
+	if (!cur_term)
+	{
+		int result;
+		setupterm(NULL, STDOUT_FILENO, &result);
+		if (result <= 0) return;
+	}
+
+	putp(tigetstr("clear"));
+}
+#endif
+
+void Dbg_initTimer(Dbg_Timer* timer) {
+	timer->name = NULL;
+	timer->start = 0;
+	timer->log = TOY_ALLOCATE(char, 2048);
+	memset(timer->log, 0, 2048);
+	timer->logPos = 0;
+}
+
+void Dbg_startTimer(Dbg_Timer* timer, const char* name) {
+	timer->name = name;
+	timer->start = clock();
+}
+
+void Dbg_stopTimer(Dbg_Timer* timer) {
+	double duration = (clock() - timer->start) / (double) CLOCKS_PER_SEC * 1000;
+	timer->logPos += sprintf(&(timer->log[timer->logPos]), "%.3fms %s\n", duration, timer->name);
+}
+
+void Dbg_printTimerLog(Dbg_Timer* timer) {
+	printf("%.*s", timer->logPos, timer->log);
+	timer->logPos = 0;
+}
+
+void Dbg_freeTimer(Dbg_Timer* timer) {
+	TOY_FREE_ARRAY(char, timer->log, 2048);
+}
+
+void Dbg_initFPSCounter(Dbg_FPSCounter* counter) {
+	counter->count = 0;
+	counter->start = clock();
+	counter->log = TOY_ALLOCATE(char, 256);
+	memset(counter->log, 0, 256);
+}
+
+void Dbg_tickFPSCounter(Dbg_FPSCounter* counter) {
+	counter->count++;
+
+	if (clock() - counter->start > CLOCKS_PER_SEC) {
+		sprintf(counter->log, "%d FPS", counter->count);
+		counter->start = clock();
+		counter->count = 0;
+	}
+}
+
+void Dbg_printFPSCounter(Dbg_FPSCounter* counter) {
+	printf("%s\n", counter->log);
+}
+
+void Dbg_freeFPSCounter(Dbg_FPSCounter* counter) {
+	TOY_FREE_ARRAY(char, counter->log, 256);
+}