Open source Star Ruler 2 source code!

2018-07-17 14:15:37 +02:00
commit cc307720ff
4342 changed files with 2365070 additions and 0 deletions
@@ -0,0 +1,80 @@
+vec2i prev_size;
+const vec2i min_resolution(1280, 720);
+const double[] ui_zoom_factors = {0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0};
+const int ui_default_zoom_index = 5;
+int ui_zoom_index = ui_default_zoom_index;
+bool canZoom = true;
+
+int get_max_zoom_index() {
+	for(int i = 0, cnt = ui_zoom_factors.length; i < cnt; ++i) {
+		if(double(windowSize.x) / ui_zoom_factors[i] < min_resolution.x
+		|| double(windowSize.y) / ui_zoom_factors[i] < min_resolution.y) {
+			return max(i - 1, 0);
+		}
+	}
+	return ui_zoom_factors.length - 1;
+}
+
+void ui_zoom_in(bool pressed) {
+	if(!pressed) {
+		if(!canZoom)
+			return;
+		if(ui_zoom_index >= max_zoom_index)
+			return;
+		ui_zoom_index += 1;
+		uiScale = ui_zoom_factors[ui_zoom_index];
+	}
+}
+
+void ui_zoom_out(bool pressed) {
+	if(!pressed) {
+		if(!canZoom)
+			return;
+		if(ui_zoom_index == 0)
+			return;
+		ui_zoom_index -= 1;
+		uiScale = ui_zoom_factors[ui_zoom_index];
+	}
+}
+
+void ui_zoom_reset(bool pressed) {
+	if(!pressed) {
+		ui_zoom_index = ui_default_zoom_index;
+		uiScale = ui_zoom_factors[ui_zoom_index];
+	}
+}
+
+void init() {
+	keybinds::Global.addBind(KB_UI_ZOOM_IN, "ui_zoom_in");
+	keybinds::Global.addBind(KB_UI_ZOOM_OUT, "ui_zoom_out");
+	keybinds::Global.addBind(KB_UI_ZOOM_RESET, "ui_zoom_reset");
+}
+
+void tick(double time) {
+	if(windowSize != prev_size) {
+		//Calculate the default zoom
+		if(windowSize.x < min_resolution.x || windowSize.y < min_resolution.y) {
+			double xzoom = double(windowSize.x) / double(min_resolution.x);
+			double yzoom = double(windowSize.y) / double(min_resolution.y);
+			double factor = round(min(xzoom, yzoom) * 100.0) / 100.0;
+			if(factor >= 0.1 && factor <= 10.0) {
+				canZoom = false;
+				uiScale = factor;
+			}
+		}
+		else {
+			if(!canZoom) {
+				canZoom = true;
+				uiScale = ui_zoom_factors[ui_zoom_index];
+			}
+
+			int max = max_zoom_index;
+			if(ui_zoom_index > max) {
+				ui_zoom_index = max;
+				uiScale = ui_zoom_factors[ui_zoom_index];
+			}
+		}
+
+		prev_size = windowSize;
+	}
+}