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/* file created on Mon Aug 26 15:30:05 CEST 2002 by doom */
#include "menu.h"
#include <stdlib.h>
#include <math.h>
#include <string.h>
struct _MENU
{
MenuItems items;
int active_item;
int nb_items;
IIM_Surface * menuselector;
int sep_size;
Sound *sound_move;
Sound *sound_valid;
int appears;
int visible;
int hide;
int hauteur;
};
void menu_update_hauteur (Menu * menu);
Menu *
menu_new (MenuItems items,IIM_Surface * selimage)
{
Menu *m = (Menu *)malloc (sizeof (Menu));
m->items = items;
m->nb_items = 0;
while (items[m->nb_items++].name);
m->sep_size = 20; // taille d'un separateur.
m->active_item = -1;
m->sound_move = m->sound_valid = NULL;
m->visible = m->appears = m->hide = 0;
menu_update_hauteur (m);
menu_next_item (m);
m->menuselector = selimage;;
return m;
}
int menu_get_active_item (Menu * menu)
{
return menu->active_item;
}
const char * menu_get_active_item_string (Menu * menu)
{
return menu->items[menu_get_active_item (menu)].name;
}
int menu_active_is (Menu * menu, const char *it_name)
{
return (!strcmp (it_name, menu_get_active_item_string (menu)));
}
void menu_change_item_done (Menu * menu)
{
menu->items[menu->active_item].priv_must_anim = 1;
if (menu->sound_move) {
audio_sound_play (menu->sound_move);
}
}
void
menu_next_item (Menu * menu)
{
do {
menu->active_item++;
menu->active_item %= menu->nb_items;
}
while (menu_items_is_delimiter (menu->items, menu->active_item));
menu_change_item_done (menu);
}
void
menu_prev_item (Menu * menu)
{
do {
if (menu->active_item)
menu->active_item--;
else
menu->active_item = menu->nb_items - 1;
}
while (menu_items_is_delimiter (menu->items, menu->active_item));
menu_change_item_done (menu);
}
void menu_update (Menu * menu, SDL_Surface * surf)
{
int c;
if (menu->visible) {
if (menu->hide) {
menu->hide *= 2;
}
if (menu->hide > surf->h) {
menu->visible = 0;
menu->hide = 0;
}
if (menu->appears) {
for (c = 0; c < menu->nb_items; c++) {
menu->items[c].priv_vx = 0;
menu->items[c].priv_x =
((rand () % 2) ? -1 : 1) * (16 + (rand () % 4)) * surf->w / 16;
}
menu->appears = 0;
}
for (c = 0; c < menu->nb_items; c++) {
SDL_Surface *item_surf = menu->items[c].bitmap;
SoFont *item_font = menu->items[c].font;
if (item_surf || item_font) {
if (menu->items[c].priv_must_anim) {
static int alt = -1;
menu->items[c].priv_vx += alt * 15;
menu->items[c].priv_must_anim = 0;
alt = -alt;
}
if ((fabs (menu->items[c].priv_vx) < 0.02)
&& (fabs (menu->items[c].priv_x) < 0.1))
menu->items[c].priv_x = menu->items[c].priv_vx = 0;
menu->items[c].priv_vx -= menu->items[c].priv_x / 8;
menu->items[c].priv_vx *= 0.85;
menu->items[c].priv_x += menu->items[c].priv_vx;
}
}
}
}
void menu_draw (Menu * menu, SDL_Surface * surf)
{
if (menu->visible) {
int c; // compteur d'items
int center = surf->w / 2;
int hauteur = (surf->h - menu->hauteur) / 2;
hauteur += menu->hide;
for (c = 0; c < menu->nb_items; c++) {
SDL_Surface *item_surf = menu->items[c].bitmap;
SoFont *item_font = menu->items[c].font;
if (item_surf || item_font) {
int center_x;
center_x = (int)(center + menu->items[c].priv_x);
if (item_surf != NULL) {
SDL_Rect rect;
rect.x = center_x - item_surf->w / 2;
rect.y = hauteur;
rect.w = item_surf->w;
rect.h = item_surf->h;
SDL_BlitSurface (item_surf, NULL, surf, &rect);
hauteur += item_surf->h;
}
else { // font..
static char item_name[1024];
if (c == menu->active_item) {
SDL_Rect rect;
if (menu->menuselector==NULL)
{
rect.x = center - 140; rect.w = 280;
rect.y = hauteur; rect.h = SoFont_FontHeight (item_font);
SDL_FillRect (surf, &rect, 0);
rect.x = center - 150; rect.w = 300;
rect.y = hauteur + 3; rect.h = SoFont_FontHeight (item_font) - 6;
SDL_FillRect (surf, &rect, 0);
}
else
{
rect.x = center - 150; rect.w = menu->menuselector->w;
rect.y = hauteur - 3; rect.h = menu->menuselector->h;
SDL_BlitSurface (menu->menuselector->surf, NULL, surf, &rect);
}
}
strcpy (item_name, menu->items[c].name);
if (menu->items[c].value) {
strcat (item_name, menu->items[c].value);
}
char *pc = item_name;
int nbTab = 0;
for (; *pc; pc++)
{
if (*pc == '\t') {
while (*pc == '\t') {
*pc = 0;
pc ++;
nbTab ++;
}
break;
}
}
if (nbTab > 0)
{
int w = 80 + nbTab * 50;
SoFont_PutString (item_font, surf, center_x-w, hauteur, item_name, NULL);
SoFont_PutString (item_font, surf, center_x+w - SoFont_TextWidth(item_font, pc), hauteur, pc, NULL);
}
else
{
SoFont_PutString (item_font, surf,
center_x - SoFont_TextWidth (item_font,
item_name) / 2,
hauteur, item_name, NULL);
}
hauteur += SoFont_FontHeight (item_font);
}
}
else
hauteur += menu->sep_size;
}
}
}
void menu_update_hauteur (Menu * menu)
{
int c; // compteur d'items
int hauteur = 0;
for (c = 0; c < menu->nb_items; c++) {
SDL_Surface *item_surf = menu->items[c].bitmap;
SoFont *item_font = menu->items[c].font;
if (item_surf || item_font) {
if (item_surf != NULL) {
hauteur += item_surf->h;
}
else { // font..
hauteur += SoFont_FontHeight (item_font);
}
}
else
hauteur += menu->sep_size;
}
menu->hauteur = hauteur;
}
void
menu_set_sounds (Menu * menu, Sound * s_move, Sound * s_validate)
{
menu->sound_move = s_move;
menu->sound_valid = s_validate;
}
void
menu_validate (Menu * menu)
{
if (menu->sound_valid)
audio_sound_play (menu->sound_valid);
menu->items[menu->active_item].priv_must_anim = 1;
}
void
menu_show (Menu * menu)
{
if (!menu_visible (menu)) {
menu->appears = 1;
menu->visible = 1;
menu->hide = 0;
}
}
void
menu_hide (Menu * menu)
{
if (menu_visible (menu))
menu->hide = 1;
}
int
menu_visible (Menu * menu)
{
return (menu->visible) && (!menu->hide);
}
int
menu_switch_on_off (Menu * menu, const char *name)
{
const char *value = menu_items_get_value (menu->items, name);
if (!strcmp (value, "ON")) {
menu_set_value (menu, name, "OFF");
return 0;
}
else {
menu_set_value (menu, name, "ON");
return 1;
}
}
int
menu_progress_bar (Menu * menu, const char *name, int increment)
{
const char *svalue = menu_items_get_value (menu->items, name);
int value = atoi (svalue);
static char nval[5];
if (increment == 0)
return value;
else {
value += increment;
if (value > 100)
value = 100;
if (value < 0)
value = 0;
}
sprintf (nval, "%d %%", value);
menu_set_value (menu, name, nval);
return value;
}
const char *
menu_get_value (Menu * menu, const char *name)
{
return menu_items_get_value (menu->items, name);
}
void
menu_set_value (Menu * menu, const char *name, const char *value, int doValide)
{
menu_items_set_value_for (menu->items, name, value);
if (doValide)
menu_validate (menu);
}
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