Convert to ObjC++

FossilOrigin-Name: 7c2704b3d77d6e63d960e315bfb601fddbf6fce538b7c5db6da664e04fbce4c2

src/menus.mm

@@ -0,0 +1,169 @@
+// menus.cpp: ingame menu system (also used for scores and serverlist)
+
+#include "cube.h"
+
+struct mitem {
+	char *text, *action;
+};
+
+struct gmenu {
+	char *name;
+	vector<mitem> items;
+	int mwidth;
+	int menusel;
+};
+
+vector<gmenu> menus;
+
+int vmenu = -1;
+
+ivector menustack;
+
+void
+menuset(int menu)
+{
+	if ((vmenu = menu) >= 1)
+		resetmovement(player1);
+	if (vmenu == 1)
+		menus[1].menusel = 0;
+};
+
+void
+showmenu(char *name)
+{
+	loopv(menus) if (i > 1 && strcmp(menus[i].name, name) == 0)
+	{
+		menuset(i);
+		return;
+	};
+};
+
+int
+menucompare(mitem *a, mitem *b)
+{
+	int x = atoi(a->text);
+	int y = atoi(b->text);
+	if (x > y)
+		return -1;
+	if (x < y)
+		return 1;
+	return 0;
+};
+
+void
+sortmenu(int start, int num)
+{
+	qsort(&menus[0].items[start], num, sizeof(mitem),
+	    (int(__cdecl *)(const void *, const void *))menucompare);
+};
+
+void refreshservers();
+
+bool
+rendermenu()
+{
+	if (vmenu < 0) {
+		menustack.setsize(0);
+		return false;
+	};
+	if (vmenu == 1)
+		refreshservers();
+	gmenu &m = menus[vmenu];
+	sprintf_sd(title)(vmenu > 1 ? "[ %s menu ]" : "%s", m.name);
+	int mdisp = m.items.length();
+	int w = 0;
+	loopi(mdisp)
+	{
+		int x = text_width(m.items[i].text);
+		if (x > w)
+			w = x;
+	};
+	int tw = text_width(title);
+	if (tw > w)
+		w = tw;
+	int step = FONTH / 4 * 5;
+	int h = (mdisp + 2) * step;
+	int y = (VIRTH - h) / 2;
+	int x = (VIRTW - w) / 2;
+	blendbox(x - FONTH / 2 * 3, y - FONTH, x + w + FONTH / 2 * 3,
+	    y + h + FONTH, true);
+	draw_text(title, x, y, 2);
+	y += FONTH * 2;
+	if (vmenu) {
+		int bh = y + m.menusel * step;
+		blendbox(
+		    x - FONTH, bh - 10, x + w + FONTH, bh + FONTH + 10, false);
+	};
+	loopj(mdisp)
+	{
+		draw_text(m.items[j].text, x, y, 2);
+		y += step;
+	};
+	return true;
+};
+
+void
+newmenu(char *name)
+{
+	gmenu &menu = menus.add();
+	menu.name = newstring(name);
+	menu.menusel = 0;
+};
+
+void
+menumanual(int m, int n, char *text)
+{
+	if (!n)
+		menus[m].items.setsize(0);
+	mitem &mitem = menus[m].items.add();
+	mitem.text = text;
+	mitem.action = "";
+}
+
+void
+menuitem(char *text, char *action)
+{
+	gmenu &menu = menus.last();
+	mitem &mi = menu.items.add();
+	mi.text = newstring(text);
+	mi.action = action[0] ? newstring(action) : mi.text;
+};
+
+COMMAND(menuitem, ARG_2STR);
+COMMAND(showmenu, ARG_1STR);
+COMMAND(newmenu, ARG_1STR);
+
+bool
+menukey(int code, bool isdown)
+{
+	if (vmenu <= 0)
+		return false;
+	int menusel = menus[vmenu].menusel;
+	if (isdown) {
+		if (code == SDLK_ESCAPE) {
+			menuset(-1);
+			if (!menustack.empty())
+				menuset(menustack.pop());
+			return true;
+		} else if (code == SDLK_UP || code == -4)
+			menusel--;
+		else if (code == SDLK_DOWN || code == -5)
+			menusel++;
+		int n = menus[vmenu].items.length();
+		if (menusel < 0)
+			menusel = n - 1;
+		else if (menusel >= n)
+			menusel = 0;
+		menus[vmenu].menusel = menusel;
+	} else {
+		if (code == SDLK_RETURN || code == -2) {
+			char *action = menus[vmenu].items[menusel].action;
+			if (vmenu == 1)
+				connects(getservername(menusel));
+			menustack.add(vmenu);
+			menuset(-1);
+			execute(action, true);
+		};
+	};
+	return true;
+};