| 1 | /* FCE Ultra - NES/Famicom Emulator |
| 2 | * |
| 3 | * Copyright notice for this file: |
| 4 | * Copyright (C) 2002 Ben Parnell |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | |
| 21 | #include <stdlib.h> |
| 22 | #include <string.h> |
| 23 | #include <stdio.h> |
| 24 | |
| 25 | #include "types.h" |
| 26 | |
| 27 | #include "general.h" |
| 28 | #include "state.h" |
| 29 | #include "version.h" |
| 30 | #include "svga.h" |
| 31 | #include "driver.h" |
| 32 | |
| 33 | char *marray[1]={"Error allocating memory!"}; |
| 34 | |
| 35 | static char BaseDirectory[2048]; |
| 36 | static char FileBase[2048]; |
| 37 | static char FileExt[2048]; |
| 38 | static char FileBaseDirectory[2048]; |
| 39 | |
| 40 | void FCEUI_SetBaseDirectory(char *dir) |
| 41 | { |
| 42 | strncpy(BaseDirectory,dir,2047); |
| 43 | BaseDirectory[2047]=0; |
| 44 | } |
| 45 | |
| 46 | static char *odirs[FCEUIOD__COUNT]={0,0,0,0,0}; // odirs, odors. ^_^ |
| 47 | |
| 48 | void FCEUI_SetDirOverride(int which, char *n) |
| 49 | { |
| 50 | odirs[which]=n; |
| 51 | if(which==FCEUIOD_STATE) |
| 52 | SaveStateRefresh(); |
| 53 | } |
| 54 | |
| 55 | /* We should probably use snprintf(), but many C libraries don't seem to |
| 56 | have this function. |
| 57 | */ |
| 58 | char *FCEU_MakeFName(int type, int id1, char *cd1) |
| 59 | { |
| 60 | static uint8 ret[2048]; |
| 61 | |
| 62 | ret[0]=0; |
| 63 | switch(type) |
| 64 | { |
| 65 | case FCEUMKF_STATE:if(odirs[FCEUIOD_STATE]) |
| 66 | sprintf(((char*)ret),"%s"PSS"%s.fc%d",odirs[FCEUIOD_STATE],FileBase,id1); |
| 67 | else |
| 68 | sprintf(((char*)ret),"%s"PSS"fcs"PSS"%s.fc%d",BaseDirectory,FileBase,id1); |
| 69 | break; |
| 70 | case FCEUMKF_SNAP: |
| 71 | if(FSettings.SnapName) |
| 72 | { |
| 73 | if(odirs[FCEUIOD_SNAPS]) |
| 74 | sprintf(((char*)ret),"%s"PSS"%s-%d.%s",odirs[FCEUIOD_SNAPS],FileBase,id1,cd1); |
| 75 | else |
| 76 | sprintf(((char*)ret),"%s"PSS"snaps"PSS"%s-%d.%s",BaseDirectory,FileBase,id1,cd1); |
| 77 | } |
| 78 | else |
| 79 | { |
| 80 | if(odirs[FCEUIOD_SNAPS]) |
| 81 | sprintf(((char*)ret),"%s"PSS"%d.%s",odirs[FCEUIOD_SNAPS],id1,cd1); |
| 82 | else |
| 83 | sprintf(((char*)ret),"%s"PSS"snaps"PSS"%d.%s",BaseDirectory,id1,cd1); |
| 84 | } |
| 85 | break; |
| 86 | case FCEUMKF_SAV:if(odirs[FCEUIOD_NV]) |
| 87 | { |
| 88 | sprintf(((char*)ret),"%s"PSS"%s.%s",odirs[FCEUIOD_NV],FileBase,cd1); |
| 89 | } |
| 90 | else |
| 91 | { |
| 92 | if(FSettings.SUnderBase) |
| 93 | sprintf(((char*)ret),"%s"PSS"sav"PSS"%s.%s",BaseDirectory,FileBase,cd1); |
| 94 | else |
| 95 | sprintf(((char*)ret),"%s"PSS"%s.%s",FileBaseDirectory,FileBase,cd1); |
| 96 | } |
| 97 | break; |
| 98 | case FCEUMKF_CHEAT: |
| 99 | if(odirs[FCEUIOD_CHEATS]) |
| 100 | sprintf(((char*)ret),"%s"PSS"%s.cht",odirs[FCEUIOD_CHEATS],FileBase); |
| 101 | else |
| 102 | sprintf(((char*)ret),"%s"PSS"cheats"PSS"%s.cht",BaseDirectory,FileBase); |
| 103 | break; |
| 104 | case FCEUMKF_GGROM:sprintf(((char*)ret),"%s"PSS"gg.rom",BaseDirectory);break; |
| 105 | case FCEUMKF_FDSROM:sprintf(((char*)ret),"%s"PSS"disksys.rom",BaseDirectory);break; |
| 106 | case FCEUMKF_PALETTE: |
| 107 | if(odirs[FCEUIOD_MISC]) |
| 108 | sprintf(((char*)ret),"%s"PSS"%s.pal",odirs[FCEUIOD_MISC],FileBase); |
| 109 | else |
| 110 | sprintf(((char*)ret),"%s"PSS"gameinfo"PSS"%s.pal",BaseDirectory,FileBase); |
| 111 | break; |
| 112 | } |
| 113 | return((char *)ret); |
| 114 | } |
| 115 | |
| 116 | void GetFileBase(char *f) |
| 117 | { |
| 118 | char *tp1,*tp3; |
| 119 | |
| 120 | #if PSS_STYLE==4 |
| 121 | tp1=((char *)strrchr(f,':')); |
| 122 | #elif PSS_STYLE==1 |
| 123 | tp1=((char *)strrchr(f,'/')); |
| 124 | #else |
| 125 | tp1=((char *)strrchr(f,'\\')); |
| 126 | #if PSS_STYLE!=3 |
| 127 | tp3=((char *)strrchr(f,'/')); |
| 128 | if(tp1<tp3) tp1=tp3; |
| 129 | #endif |
| 130 | #endif |
| 131 | if(!tp1) |
| 132 | { |
| 133 | tp1=f; |
| 134 | strcpy(FileBaseDirectory,"."); |
| 135 | } |
| 136 | else |
| 137 | { |
| 138 | memcpy(FileBaseDirectory,f,tp1-f); |
| 139 | FileBaseDirectory[tp1-f]=0; |
| 140 | tp1++; |
| 141 | } |
| 142 | |
| 143 | if((tp3=strrchr(f,'.'))!=NULL) |
| 144 | { |
| 145 | memcpy(FileBase,tp1,tp3-tp1); |
| 146 | FileBase[tp3-tp1]=0; |
| 147 | strcpy(FileExt,tp3+1); |
| 148 | } |
| 149 | else |
| 150 | { |
| 151 | strcpy(FileBase,tp1); |
| 152 | FileExt[0]=0; |
| 153 | } |
| 154 | } |
| 155 | |
| 156 | uint32 uppow2(uint32 n) |
| 157 | { |
| 158 | int x; |
| 159 | |
| 160 | for(x=31;x>=0;x--) |
| 161 | if(n&(1<<x)) |
| 162 | { |
| 163 | if((1<<x)!=n) |
| 164 | return(1<<(x+1)); |
| 165 | break; |
| 166 | } |
| 167 | return n; |
| 168 | } |
| 169 | |