terminal drive control concept

1 files changed, 50 insertions, 0 deletions

diff --git a/client/ui_dirc.c b/client/ui_dirc.c
new file mode 100644
index 0000000..cddd2c4
--- /dev/null
+++ b/client/ui_dirc.c
@@ -0,0 +1,50 @@
+#include "../shared/util.h"
+#include "ui.h"
+
+void w2_ui_bar_graph(unsigned int percent) {
+	unsigned int width = g_w2_ui_width - 7;
+	char bar[width];
+	for(unsigned int i = 0; i < width - 2; i++) {
+		bar[i+1] = i > (width - 2) * percent / 100 ? ' ' : '*';
+	}
+	bar[0] = '|';
+	bar[width - 1] = '|';
+	mvaddnstr(4, 7, bar, width);
+}
+
+#define W2_DIRC_MOD ((double) 0.95)
+#define W2_DIRC_ADD ((double) 13.0)
+#define W2_DIRC_PAD ((double) 1.10)
+#define W2_DIRC_SPL ((unsigned int) 20)
+
+int w2_avg(int* samples, unsigned int sample_count) {
+	double total = 0;
+	for (int i = 0; i < sample_count; i++) {
+		total += (double) samples[i] / (double) sample_count;
+	}
+	return (int) total;
+}
+
+void w2_ui_dirc() {
+	static unsigned int idx = 0;
+	int ch = 0;
+	unsigned int presses = 0;
+
+	static double drive_l = 0.f;
+	static int drive_l_avg[W2_DIRC_SPL] = {0};
+
+
+	while ((ch = getch()) != -1) {
+		if (ch == 'a') presses++;
+	}
+
+	drive_l *= W2_DIRC_MOD;
+	drive_l += W2_DIRC_ADD * presses;
+	drive_l = W2_MIN(100, drive_l);
+
+	idx = (idx + 1) % W2_DIRC_SPL;
+	drive_l_avg[idx] = (int) W2_MIN(100, drive_l * W2_DIRC_PAD);
+
+	mvaddstr(4, 0, "drive: ");
+	w2_ui_bar_graph(w2_avg(drive_l_avg, W2_DIRC_SPL));
+}