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2350b19d0b
NINTV-DS/arm9/source/loadgame.cpp
wavemotion-dave 2350b19d0b Refactored loadgame into new sourcefile.
2021-10-24 11:57:45 -04:00

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// =====================================================================================
// Copyright (c) 2021 Dave Bernazzani (wavemotion-dave)
//
// Copying and distribution of this emulator, it's source code and associated
// readme files, with or without modification, are permitted in any medium without
// royalty provided the this copyright notice is used and wavemotion-dave (NINTV-DS)
// and Kyle Davis (BLISS) are thanked profusely.
//
// The NINTV-DS emulator is offered as-is, without any warranty.
// =====================================================================================
#include <nds.h>
#include<stdio.h>
#include <fat.h>
#include <dirent.h>
#include <unistd.h>
#include "ds_tools.h"
#include "savestate.h"
#include "config.h"
#include "bgBottom.h"
#include "bgTop.h"
#include "bgFileSel.h"
#include "bgHighScore.h"
#include "Emulator.h"
#include "Rip.h"
#include "loadgame.h"
#include "debugger.h"
FICA_INTV intvromlist[512];
unsigned short int countintv=0, ucFicAct=0;
char szName[256];
char szName2[256];
extern Rip *currentRip;
BOOL LoadCart(const CHAR* filename)
{
if (strlen(filename) < 5)
return FALSE;
//convert .bin and .rom to .rip, since our emulation only knows how to run .rip
const CHAR* extStart = filename + strlen(filename) - 4;
if (strcmpi(extStart, ".int") == 0 || strcmpi(extStart, ".bin") == 0)
{
//load the bin file as a Rip - use internal database or maybe <filename>.cfg exists... LoadBin() handles all that.
currentRip = Rip::LoadBin(filename);
if (currentRip == NULL)
{
return FALSE;
}
}
else if (strcmpi(extStart, ".rom") == 0) // .rom files contain the loading info...
{
//load the bin file as a Rip
currentRip = Rip::LoadRom(filename);
if (currentRip == NULL)
{
return FALSE;
}
}
else
{
return FALSE;
}
// ---------------------------------------------------------------------
// New game is loaded... (would have returned FALSE above otherwise)
// ---------------------------------------------------------------------
extern UINT16 fudge_timing;
extern UINT8 bLatched;
fudge_timing = 0;
bLatched = false;
if (currentRip->GetCRC() == 0x5F6E1AF6) fudge_timing = 1000; // Motocross needs some fudge timing to run... known race condition...
if (currentRip->GetCRC() == 0x2DEACD15) bLatched = true; // Stampede must have latched backtab access
if (currentRip->GetCRC() == 0x573B9B6D) bLatched = true; // Masters of the Universe must have latched backtab access
FindAndLoadConfig();
dsShowScreenEmu();
dsShowScreenMain(false);
bGameLoaded = TRUE;
bInitEmulator = true;
bStartSoundFifo = true;
return TRUE;
}
BOOL LoadPeripheralRoms(Peripheral* peripheral)
{
UINT16 count = peripheral->GetROMCount();
for (UINT16 i = 0; i < count; i++) {
ROM* r = peripheral->GetROM(i);
if (r->isLoaded())
continue;
CHAR nextFile[MAX_PATH];
if (myGlobalConfig.bios_dir == 1) // In: /ROMS/BIOS
{
strcpy(nextFile, "/roms/bios/");
}
else if (myGlobalConfig.bios_dir == 2) // In: /ROMS/INTV/BIOS
{
strcpy(nextFile, "/roms/intv/bios/");
}
else if (myGlobalConfig.bios_dir == 3) // In: /DATA/BIOS/
{
strcpy(nextFile, "/data/bios/");
}
else
{
strcpy(nextFile, "./"); // In: Same DIR as ROM files
}
strcat(nextFile, r->getDefaultFileName());
if (!r->load(nextFile, r->getDefaultFileOffset()))
{
return FALSE;
}
}
return TRUE;
}
// Find files (.int) available
int intvFilescmp (const void *c1, const void *c2)
{
FICA_INTV *p1 = (FICA_INTV *) c1;
FICA_INTV *p2 = (FICA_INTV *) c2;
if (p1->filename[0] == '.' && p2->filename[0] != '.')
return -1;
if (p2->filename[0] == '.' && p1->filename[0] != '.')
return 1;
if (p1->directory && !(p2->directory))
return -1;
if (p2->directory && !(p1->directory))
return 1;
return strcasecmp (p1->filename, p2->filename);
}
void intvFindFiles(void)
{
static bool bFirstTime = true;
DIR *pdir;
struct dirent *pent;
countintv = 0;
// First time in we use the config setting to determine where we open files...
if (bFirstTime)
{
bFirstTime = false;
if (myGlobalConfig.rom_dir == 1)
{
chdir("/ROMS");
}
else if (myGlobalConfig.rom_dir == 2)
{
chdir("/ROMS/INTV");
}
}
pdir = opendir(".");
if (pdir) {
while (((pent=readdir(pdir))!=NULL))
{
strcpy(szName2,pent->d_name);
szName2[127] = NULL;
if (pent->d_type == DT_DIR)
{
if (!( (szName2[0] == '.') && (strlen(szName2) == 1)))
{
intvromlist[countintv].directory = true;
strcpy(intvromlist[countintv].filename,szName2);
countintv++;
}
}
else
{
// Filter out the BIOS files from the list...
if (strcasecmp(szName2, "grom.bin") == 0) continue;
if (strcasecmp(szName2, "exec.bin") == 0) continue;
if (strcasecmp(szName2, "ivoice.bin") == 0) continue;
if (strcasecmp(szName2, "ecs.bin") == 0) continue;
if (strstr(szName2, "[BIOS]") != NULL) continue;
if (strstr(szName2, "[bios]") != NULL) continue;
if (strlen(szName2)>4) {
if ( (strcasecmp(strrchr(szName2, '.'), ".int") == 0) ) {
intvromlist[countintv].directory = false;
strcpy(intvromlist[countintv].filename,szName2);
countintv++;
}
if ( (strcasecmp(strrchr(szName2, '.'), ".bin") == 0) ) {
intvromlist[countintv].directory = false;
strcpy(intvromlist[countintv].filename,szName2);
countintv++;
}
if ( (strcasecmp(strrchr(szName2, '.'), ".rom") == 0) ) {
intvromlist[countintv].directory = false;
strcpy(intvromlist[countintv].filename,szName2);
countintv++;
}
}
}
}
closedir(pdir);
}
if (countintv)
qsort (intvromlist, countintv, sizeof (FICA_INTV), intvFilescmp);
}
void dsDisplayFiles(unsigned int NoDebGame,u32 ucSel)
{
unsigned int ucBcl,ucGame;
// Display all games if possible
unsigned short dmaVal = *(bgGetMapPtr(bg1b) +31*32);
dmaFillWords(dmaVal | (dmaVal<<16),(void*) (bgGetMapPtr(bg1b)),32*24*2);
sprintf(szName,"%04d/%04d GAMES",(int)(1+ucSel+NoDebGame),countintv);
dsPrintValue(16-strlen(szName)/2,2,0,szName);
dsPrintValue(31,4,0,(char *) (NoDebGame>0 ? "<" : " "));
dsPrintValue(31,21,0,(char *) (NoDebGame+14<countintv ? ">" : " "));
sprintf(szName, "A=LOAD, X=JLP, Y=IVOICE, B=BACK");
dsPrintValue(16-strlen(szName)/2,23,0,szName);
for (ucBcl=0;ucBcl<17; ucBcl++) {
ucGame= ucBcl+NoDebGame;
if (ucGame < countintv)
{
strcpy(szName,intvromlist[ucGame].filename);
szName[29]='\0';
if (intvromlist[ucGame].directory)
{
szName[27]='\0';
sprintf(szName2,"[%s]",szName);
dsPrintValue(0,4+ucBcl,(ucSel == ucBcl ? 1 : 0),szName2);
}
else
{
dsPrintValue(1,4+ucBcl,(ucSel == ucBcl ? 1 : 0),szName);
}
}
}
}
unsigned int dsWaitForRom(char *chosen_filename)
{
bool bDone=false, bRet=false;
u32 ucHaut=0x00, ucBas=0x00,ucSHaut=0x00, ucSBas=0x00,romSelected= 0, firstRomDisplay=0,nbRomPerPage, uNbRSPage;
u32 uLenFic=0, ucFlip=0, ucFlop=0;
strcpy(chosen_filename, "tmpz");
intvFindFiles(); // Initial get of files...
decompress(bgFileSelTiles, bgGetGfxPtr(bg0b), LZ77Vram);
decompress(bgFileSelMap, (void*) bgGetMapPtr(bg0b), LZ77Vram);
dmaCopy((void *) bgFileSelPal,(u16*) BG_PALETTE_SUB,256*2);
unsigned short dmaVal = *(bgGetMapPtr(bg1b) +31*32);
dmaFillWords(dmaVal | (dmaVal<<16),(void*) bgGetMapPtr(bg1b),32*24*2);
nbRomPerPage = (countintv>=17 ? 17 : countintv);
uNbRSPage = (countintv>=5 ? 5 : countintv);
if (ucFicAct>countintv-nbRomPerPage)
{
firstRomDisplay=countintv-nbRomPerPage;
romSelected=ucFicAct-countintv+nbRomPerPage;
}
else
{
firstRomDisplay=ucFicAct;
romSelected=0;
}
dsDisplayFiles(firstRomDisplay,romSelected);
while (!bDone)
{
if (keysCurrent() & KEY_UP)
{
if (!ucHaut)
{
ucFicAct = (ucFicAct>0 ? ucFicAct-1 : countintv-1);
if (romSelected>uNbRSPage) { romSelected -= 1; }
else {
if (firstRomDisplay>0) { firstRomDisplay -= 1; }
else {
if (romSelected>0) { romSelected -= 1; }
else {
firstRomDisplay=countintv-nbRomPerPage;
romSelected=nbRomPerPage-1;
}
}
}
ucHaut=0x01;
dsDisplayFiles(firstRomDisplay,romSelected);
}
else {
ucHaut++;
if (ucHaut>10) ucHaut=0;
}
uLenFic=0; ucFlip=0; ucFlop=0;
}
else
{
ucHaut = 0;
}
if (keysCurrent() & KEY_DOWN)
{
if (!ucBas) {
ucFicAct = (ucFicAct< countintv-1 ? ucFicAct+1 : 0);
if (romSelected<uNbRSPage-1) { romSelected += 1; }
else {
if (firstRomDisplay<countintv-nbRomPerPage) { firstRomDisplay += 1; }
else {
if (romSelected<nbRomPerPage-1) { romSelected += 1; }
else {
firstRomDisplay=0;
romSelected=0;
}
}
}
ucBas=0x01;
dsDisplayFiles(firstRomDisplay,romSelected);
}
else
{
ucBas++;
if (ucBas>10) ucBas=0;
}
uLenFic=0; ucFlip=0; ucFlop=0;
}
else {
ucBas = 0;
}
if ((keysCurrent() & KEY_R) || (keysCurrent() & KEY_RIGHT))
{
if (!ucSBas)
{
ucFicAct = (ucFicAct< countintv-nbRomPerPage ? ucFicAct+nbRomPerPage : countintv-nbRomPerPage);
if (firstRomDisplay<countintv-nbRomPerPage) { firstRomDisplay += nbRomPerPage; }
else { firstRomDisplay = countintv-nbRomPerPage; }
if (ucFicAct == countintv-nbRomPerPage) romSelected = 0;
ucSBas=0x01;
dsDisplayFiles(firstRomDisplay,romSelected);
}
else
{
ucSBas++;
if (ucSBas>10) ucSBas=0;
}
uLenFic=0; ucFlip=0; ucFlop=0;
}
else {
ucSBas = 0;
}
if ((keysCurrent() & KEY_L) || (keysCurrent() & KEY_LEFT))
{
if (!ucSHaut)
{
ucFicAct = (ucFicAct> nbRomPerPage ? ucFicAct-nbRomPerPage : 0);
if (firstRomDisplay>nbRomPerPage) { firstRomDisplay -= nbRomPerPage; }
else { firstRomDisplay = 0; }
if (ucFicAct == 0) romSelected = 0;
if (romSelected > ucFicAct) romSelected = ucFicAct;
ucSHaut=0x01;
dsDisplayFiles(firstRomDisplay,romSelected);
}
else
{
ucSHaut++;
if (ucSHaut>10) ucSHaut=0;
}
uLenFic=0; ucFlip=0; ucFlop=0;
}
else {
ucSHaut = 0;
}
if ( keysCurrent() & KEY_B )
{
bDone=true;
while (keysCurrent() & KEY_B);
}
if (keysCurrent() & KEY_A || keysCurrent() & KEY_Y || keysCurrent() & KEY_X)
{
if (!intvromlist[ucFicAct].directory)
{
bRet=true;
bDone=true;
WAITVBL;
if (keysCurrent() & KEY_X) bUseJLP = true; else bUseJLP=false;
if (keysCurrent() & KEY_Y) bForceIvoice = true; else bForceIvoice=false;
strcpy(chosen_filename, intvromlist[ucFicAct].filename);
}
else
{
chdir(intvromlist[ucFicAct].filename);
intvFindFiles();
ucFicAct = 0;
nbRomPerPage = (countintv>=16 ? 16 : countintv);
uNbRSPage = (countintv>=5 ? 5 : countintv);
if (ucFicAct>countintv-nbRomPerPage) {
firstRomDisplay=countintv-nbRomPerPage;
romSelected=ucFicAct-countintv+nbRomPerPage;
}
else {
firstRomDisplay=ucFicAct;
romSelected=0;
}
dsDisplayFiles(firstRomDisplay,romSelected);
while (keysCurrent() & KEY_A);
}
}
// If the filename is too long... scroll it.
if (strlen(intvromlist[ucFicAct].filename) > 29)
{
ucFlip++;
if (ucFlip >= 15)
{
ucFlip = 0;
uLenFic++;
if ((uLenFic+29)>strlen(intvromlist[ucFicAct].filename))
{
ucFlop++;
if (ucFlop >= 15)
{
uLenFic=0;
ucFlop = 0;
}
else
uLenFic--;
}
strncpy(szName,intvromlist[ucFicAct].filename+uLenFic,29);
szName[29] = '\0';
dsPrintValue(1,4+romSelected,1,szName);
}
}
swiWaitForVBlank();
}
dsShowScreenMain(false);
return bRet;
}
// End of Line
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