kolibrios/programs/games/heliothryx/game/rsgamemenu.c

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#include "rsgamemenu.h"
#include "rsgame.h"
#include "rskos.h"
#include "strings.h"
PRSFUNC0 menu_actions[] = {
/* a */ &menu_action_start,
/* b */ &menu_action_exit,
/* c */ &menu_action_change_window_scale
};
char window_scale_str[] = "c< 2X >";
/*
First char:
- letter a...z means action (a = 0th, b = 1st, c = 2nd, see menu_actions[] above)
- number 0...9 means goto menu #0, #1, #2... see menu_titles[] below
- space ' ' means no action, menu item is unselectable
- empty string "" is now allowed and can cause segfault
String from second char is label of menu item
*/
char* menu_main_titles[] = {
"a"L_START,
"1"L_SETTINGS,
"2"L_ABOUT,
"b"L_QUIT,
0
};
char* menu_settings_titles[] = {
" "L_WINDOW_SCALE,
window_scale_str,
" ",
"0"L_DONE,
0
};
char* menu_about_titles[] = {
" "L_DEVELOPED_BY,
" "L_ROMAN_SHUVALOV,
" ",
"0"L_DONE,
0
};
char **menu_titles[] = {
/* 0 */ menu_main_titles,
/* 1 */ menu_settings_titles,
/* 2 */ menu_about_titles,
0
};
void menu_cursor_down() {
int new_index = game.menu_item_index+1;
while ( (menu_titles[game.menu_index][new_index]) ) {
if ((menu_titles[game.menu_index][new_index][0] != ' ')) {
game.menu_item_index = new_index;
game_ding(1);
return;
};
new_index++;
};
};
void menu_cursor_up() {
int new_index = game.menu_item_index-1;
while ( new_index+1 ) {
if ((menu_titles[game.menu_index][new_index][0] != ' ')) {
game.menu_item_index = new_index;
game_ding(1);
return;
};
new_index--;
};
};
void menu_open(int i) {
game.menu_index = i;
game.menu_item_index = -1;
// (menu_cursor_down without sound)
int new_index = game.menu_item_index+1;
while ( (menu_titles[game.menu_index][new_index]) ) {
if ((menu_titles[game.menu_index][new_index][0] != ' ')) {
game.menu_item_index = new_index;
return;
};
new_index++;
};
};
void menu_cursor_click() {
char c = menu_titles[game.menu_index][game.menu_item_index][0];
game_ding(0);
if (c > '9') {
// action: call function
menu_actions[c - 'a']();
}
else {
// action: navigate to menu
menu_open(c - '0');
};
// DEBUG10f("click: %c \n", c);
};
void menu_action_start() {
game.status = STATUS_PLAYING;
game.tx = GAME_WIDTH/2 - 50;
game.ty = GAME_HEIGHT/2 - 10;
};
void menu_action_exit() {
#ifdef RS_KOS
GameTerm();
#endif
rskos_exit();
};
void menu_action_change_window_scale() {
game_change_window_scale(1);
};