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Genesis-Plus-GX/source/gx/gui/filesel.c
ekeeke31 f9beafa96c .fixed ROM file extension detection (again) 
.improved audio/video synchronization for PAL games in 50Hz TV modes (now use VSYNC like NTSC games in 60hz modes)
2011-04-28 00:09:40 +00:00

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/*
* filesel.c
*
* ROM File Browser
*
* Eke-Eke (2009,2010)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
********************************************************************************/
#include "shared.h"
#include "filesel.h"
#include "font.h"
#include "gui.h"
#include "file_load.h"
#include "file_slot.h"
#ifdef HW_RVL
#include <wiiuse/wpad.h>
#endif
#define BG_COLOR_1 {0x49,0x49,0x49,0xff}
#define BG_COLOR_2 {0x66,0x66,0x66,0xff}
extern const u8 Browser_dir_png[];
extern const u8 Snap_empty_png[];
extern const u8 Snap_frame_png[];
FILEENTRIES filelist[MAXFILES];
static int offset = 0;
static int selection = 0;
static int maxfiles = 0;
static int string_offset = 0;
static char prev_folder[MAXJOLIET];
static void selector_cb(void);
/*****************************************************************************/
/* GUI Buttons data */
/*****************************************************************************/
static butn_data arrow_up_data =
{
{NULL,NULL},
{Button_up_png,Button_up_over_png}
};
static butn_data arrow_down_data =
{
{NULL,NULL},
{Button_down_png,Button_down_over_png}
};
/*****************************************************************************/
/* GUI Arrows button */
/*****************************************************************************/
static gui_butn arrow_up = {&arrow_up_data,BUTTON_VISIBLE|BUTTON_ACTIVE|BUTTON_OVER_SFX,{0,0,0,0},14,76,360,32};
static gui_butn arrow_down = {&arrow_down_data,BUTTON_VISIBLE|BUTTON_ACTIVE|BUTTON_OVER_SFX,{0,0,0,0},14,368,360,32};
/*****************************************************************************/
/* GUI helpers */
/*****************************************************************************/
static gui_item action_cancel =
{
NULL,Key_B_png,"","Previous Directory",10,422,28,28
};
static gui_item action_select =
{
NULL,Key_A_png,"","Load ROM file",602,422,28,28
};
/*****************************************************************************/
/* GUI Background images */
/*****************************************************************************/
static gui_image bg_filesel[10] =
{
{NULL,Bg_main_png,IMAGE_VISIBLE,374,140,284,288,255},
{NULL,Bg_overlay_png,IMAGE_VISIBLE|IMAGE_REPEAT,0,0,640,480,255},
{NULL,Banner_top_png,IMAGE_VISIBLE,0,0,640,108,255},
{NULL,Banner_bottom_png,IMAGE_VISIBLE,0,380,640,100,255},
{NULL,Main_logo_png,IMAGE_VISIBLE,466,40,152,44,255},
{NULL,Frame_s1_png,IMAGE_VISIBLE,8,70,372,336,152},
{NULL,Frame_s2_png,0,384,264,248,140,152},
{NULL,Snap_empty_png,IMAGE_VISIBLE,422,114,164,116,255},
{NULL,NULL,0,424,116,160,112,255},
{NULL,Snap_frame_png,IMAGE_VISIBLE,388,112,236,148,255}
};
/*****************************************************************************/
/* GUI Descriptor */
/*****************************************************************************/
static gui_menu menu_selector =
{
"Game Selection",
-1,-1,
0,0,10,0,
NULL,
NULL,
bg_filesel,
{&action_cancel, &action_select},
{&arrow_up,&arrow_down},
selector_cb
};
static void selector_cb(void)
{
int i;
char text[MAXPATHLEN];
int yoffset = 108;
/* Initialize directory icon */
gui_image dir_icon;
dir_icon.texture = gxTextureOpenPNG(Browser_dir_png,0);
dir_icon.w = dir_icon.texture->width;
dir_icon.h = dir_icon.texture->height;
dir_icon.x = 26;
dir_icon.y = (26 - dir_icon.h)/2;
/* Initialize selection bar */
gui_image bar_over;
bar_over.texture = gxTextureOpenPNG(Overlay_bar_png,0);
bar_over.w = bar_over.texture->width;
bar_over.h = bar_over.texture->height;
bar_over.x = 16;
bar_over.y = (26 - bar_over.h)/2;
/* Draw browser array */
gxDrawRectangle(15, 108, 358, 26, 127, (GXColor)BG_COLOR_1);
gxDrawRectangle(15, 134, 358, 26, 127, (GXColor)BG_COLOR_2);
gxDrawRectangle(15, 160, 358, 26, 127, (GXColor)BG_COLOR_1);
gxDrawRectangle(15, 186, 358, 26, 127, (GXColor)BG_COLOR_2);
gxDrawRectangle(15, 212, 358, 26, 127, (GXColor)BG_COLOR_1);
gxDrawRectangle(15, 238, 358, 26, 127, (GXColor)BG_COLOR_2);
gxDrawRectangle(15, 264, 358, 26, 127, (GXColor)BG_COLOR_1);
gxDrawRectangle(15, 290, 358, 26, 127, (GXColor)BG_COLOR_2);
gxDrawRectangle(15, 316, 358, 26, 127, (GXColor)BG_COLOR_1);
gxDrawRectangle(15, 342, 358, 26, 127, (GXColor)BG_COLOR_2);
/* Draw Files list */
for (i = offset; (i < (offset + 10)) && (i < maxfiles); i++)
{
if (i == selection)
{
/* selection bar */
gxDrawTexture(bar_over.texture,bar_over.x,yoffset+bar_over.y,bar_over.w,bar_over.h,255);
/* scrolling text */
if ((string_offset/10) >= strlen(filelist[i].filename))
{
string_offset = 0;
}
if (string_offset)
{
sprintf(text,"%s ",filelist[i].filename+string_offset/10);
strncat(text, filelist[i].filename, string_offset/10);
}
else
{
strcpy(text, filelist[i].filename);
}
/* print text */
if (filelist[i].flags)
{
/* directory icon */
gxDrawTexture(dir_icon.texture,dir_icon.x,yoffset+dir_icon.y,dir_icon.w,dir_icon.h,255);
if (FONT_write(text,18,dir_icon.x+dir_icon.w+6,yoffset+22,bar_over.w-dir_icon.w-26,(GXColor)WHITE))
{
/* string is too large -> scroll text */
string_offset ++;
}
}
else
{
if (FONT_write(text,18,dir_icon.x,yoffset+22,bar_over.w-20,(GXColor)WHITE))
{
/* text scrolling */
string_offset ++;
}
}
}
else
{
if (filelist[i].flags)
{
/* directory icon */
gxDrawTexture(dir_icon.texture,dir_icon.x,yoffset+dir_icon.y,dir_icon.w,dir_icon.h,255);
FONT_write(filelist[i].filename,18,dir_icon.x+dir_icon.w+6,yoffset+22,bar_over.w-dir_icon.w-26,(GXColor)WHITE);
}
else
{
FONT_write(filelist[i].filename,18,dir_icon.x,yoffset+22,bar_over.w-20,(GXColor)WHITE);
}
}
yoffset += 26;
}
gxTextureClose(&bar_over.texture);
gxTextureClose(&dir_icon.texture);
}
/****************************************************************************
* FileSelector
*
* Browse directories and select a file from the file listing
* return ROM size
*
****************************************************************************/
int FileSelector(void)
{
short p;
int i;
int size = 0;
int old = -1;
char fname[MAXPATHLEN];
char text[MAXPATHLEN];
FILE *xml,*snap;
gui_menu *m = &menu_selector;
#ifdef HW_RVL
int x,y;
gui_butn *button;
#endif
/* background type */
if (config.bg_type > 0)
{
bg_filesel[0].state &= ~IMAGE_REPEAT;
bg_filesel[0].data = (config.bg_type > 1) ? Bg_main_png : Bg_main_2_png;
bg_filesel[0].x = 374;
bg_filesel[0].y = 140;
bg_filesel[0].w = 284;
bg_filesel[0].h = 288;
}
else
{
bg_filesel[0].state |= IMAGE_REPEAT;
bg_filesel[0].data = Bg_layer_png;
bg_filesel[0].x = 0;
bg_filesel[0].y = 0;
bg_filesel[0].w = 640;
bg_filesel[0].h = 480;
}
/* background overlay */
if (config.bg_overlay)
{
bg_filesel[1].state |= IMAGE_VISIBLE;
}
else
{
bg_filesel[1].state &= ~IMAGE_VISIBLE;
}
/* Initialize Menu */
GUI_InitMenu(m);
string_offset = 0;
while (1)
{
/* ROM file snapshot/database */
if (old != selection)
{
old = selection;
string_offset = 0;
/* delete previous texture if any */
gxTextureClose(&bg_filesel[8].texture);
bg_filesel[8].state &= ~IMAGE_VISIBLE;
bg_filesel[6].state &= ~IMAGE_VISIBLE;
if (!filelist[selection].flags)
{
/* get ROM filename without extension */
sprintf (text, "%s", filelist[selection].filename);
int i = strlen(text) - 1;
while ((i > 0) && (text[i] != '.')) i--;
if (i > 0) text[i] = 0;
/* ROM database informations */
sprintf (fname, "%s/db/%s.xml", DEFAULT_PATH, text);
xml = fopen(fname, "rb");
if (xml)
{
bg_filesel[6].state |= IMAGE_VISIBLE;
fclose(xml); /* TODO */
}
/* open screenshot file */
sprintf (fname, "%s/snaps/%s.png", DEFAULT_PATH, text);
snap = fopen(fname, "rb");
if (snap)
{
bg_filesel[8].texture = gxTextureOpenPNG(0,snap);
if (bg_filesel[8].texture)
bg_filesel[8].state |= IMAGE_VISIBLE;
fclose(snap);
}
}
}
/* update helper */
if (m->selected != -1)
{
/* out of focus */
strcpy(action_select.comment,"");
}
else if (filelist[selection].flags)
{
/* this is a directory */
strcpy(action_select.comment,"Open Directory");
}
else
{
/* this is a file */
strcpy(action_select.comment,"Load ROM File");
}
/* Draw menu*/
GUI_DrawMenu(m);
#ifdef HW_RVL
if (Shutdown)
{
gxTextureClose(&w_pointer);
GUI_DeleteMenu(m);
GUI_FadeOut();
shutdown();
SYS_ResetSystem(SYS_POWEROFF, 0, 0);
}
else if (m_input.ir.valid)
{
/* get cursor position */
x = m_input.ir.x;
y = m_input.ir.y;
/* draw wiimote pointer */
gxDrawTextureRotate(w_pointer, x-w_pointer->width/2, y-w_pointer->height/2, w_pointer->width, w_pointer->height,m_input.ir.angle,255);
/* ensure we are in the selectable area */
if ((x < 380) && (y >= 108) && (y <= 368))
{
/* find selected item */
selection = (y - 108) / 26;
if (selection > 9) selection = 9;
selection += offset;
if (selection >= maxfiles) selection = old;
/* reset selection */
m->selected = -1;
}
else
{
/* disable selection */
m->selected = m->max_buttons + 2;
/* find selected button */
for (i=0; i<2; i++)
{
button = m->arrows[i];
if (button)
{
if (button->state & BUTTON_VISIBLE)
{
if ((x>=button->x)&&(x<=(button->x+button->w))&&(y>=button->y)&&(y<=(button->y+button->h)))
{
m->selected = m->max_buttons + i;
break;
}
}
}
}
}
}
else
{
/* reset selection */
m->selected = -1;
}
#endif
/* copy EFB to XFB */
gxSetScreen();
p = m_input.keys;
/* highlight next item */
if (p & PAD_BUTTON_DOWN)
{
selection++;
if (selection == maxfiles)
selection = offset = 0;
if ((selection - offset) >= 10)
offset += 10;
}
/* highlight previous item */
else if (p & PAD_BUTTON_UP)
{
selection--;
if (selection < 0)
{
selection = maxfiles - 1;
offset = selection - 10 + 1;
}
if (selection < offset)
offset -= 10;
if (offset < 0)
offset = 0;
}
/* go back one page */
else if (p & PAD_TRIGGER_L)
{
selection -= 10;
if (selection < 0)
{
selection = maxfiles - 1;
offset = selection - 10 + 1;
}
if (selection < offset)
offset -= 10;
if (offset < 0)
offset = 0;
}
/* go forward one page */
else if (p & PAD_TRIGGER_R)
{
selection += 10;
if (selection > maxfiles - 1)
selection = offset = 0;
if ((selection - offset) >= 10)
offset += 10;
}
/* quit */
else if (p & PAD_TRIGGER_Z)
{
GUI_DeleteMenu(m);
return 0;
}
/* previous directory */
else if (p & PAD_BUTTON_B)
{
string_offset = 0;
/* update browser directory (and get current folder)*/
if (UpdateDirectory(1, prev_folder))
{
/* get directory entries */
maxfiles = ParseDirectory();
/* clear selection by default */
selection = offset = 0;
old = -1;
/* select previous directory */
for (i=0; i<maxfiles; i++)
{
if (filelist[i].flags && !strcmp(prev_folder,filelist[i].filename))
{
selection = i;
offset = (i / 10) * 10;
i = maxfiles;
}
}
}
else
{
/* exit */
GUI_DeleteMenu(m);
return 0;
}
}
/* open selected file or directory */
else if (p & PAD_BUTTON_A)
{
string_offset = 0;
#ifdef HW_RVL
/* arrow buttons selected */
if (m->selected == m->max_buttons)
{
/* up arrow */
selection--;
if (selection < 0)
{
selection = maxfiles - 1;
offset = selection - 10 + 1;
}
if (selection < offset) offset -= 10;
if (offset < 0) offset = 0;
}
else if (m->selected == (m->max_buttons+1))
{
/* down arrow */
selection++;
if (selection == maxfiles)
selection = offset = 0;
if ((selection - offset) >= 10)
offset += 10;
}
#endif
/* ensure we are in focus area */
if (m->selected < m->max_buttons)
{
if (filelist[selection].flags)
{
/* get new directory */
UpdateDirectory(0, filelist[selection].filename);
/* get directory entries */
maxfiles = ParseDirectory();
/* clear selection by default */
selection = offset = 0;
old = -1;
}
else
{
/* clear existing patches before loading new ROM file */
ggenie_shutdown();
areplay_shutdown();
/* load ROM file from device */
size = LoadFile(cart.rom, selection, fname);
/* exit menu */
GUI_DeleteMenu(m);
/* load new game */
if (size)
{
/* save previous game state */
if (config.s_auto & 2)
{
slot_autosave(config.s_default,config.s_device);
}
/* reinitialize emulation */
reloadrom(size,fname);
}
return size;
}
}
}
}
}
void ClearSelector(u32 max)
{
maxfiles = max;
offset = 0;
selection = 0;
}
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