cheat: add some undo logic
[pcsx_rearmed.git] / frontend / main.c
index 61f023f..15eae71 100644 (file)
 #include <sys/types.h>
 #include <unistd.h>
 #include <signal.h>
+#include <time.h>
 
 #include "main.h"
 #include "plugin.h"
 #include "plugin_lib.h"
 #include "pcnt.h"
 #include "menu.h"
+#include "plat.h"
 #include "../libpcsxcore/misc.h"
+#include "../libpcsxcore/cheat.h"
 #include "../libpcsxcore/new_dynarec/new_dynarec.h"
 #include "../plugins/cdrcimg/cdrcimg.h"
 #include "common/plat.h"
+#include "common/readpng.h"
 #include "common/input.h"
+#include "linux/in_evdev.h"
+
+// don't include debug.h - it breaks ARM build (R1 redefined)
+void StartDebugger();
+void StopDebugger();
+
+// sound plugin
+extern int iUseReverb;
+extern int iUseInterpolation;
+extern int iXAPitch;
+extern int iVolume;
 
 int ready_to_go;
 unsigned long gpuDisp;
 char cfgfile_basename[MAXPATHLEN];
-static char *(*real_getenv)(const char *name);
 int state_slot;
 enum sched_action emu_action, emu_action_old;
 char hud_msg[64];
 int hud_new_msg;
 
-// from softgpu plugin
-extern int UseFrameSkip;
-
 static void make_path(char *buf, size_t size, const char *dir, const char *fname)
 {
        if (fname)
@@ -66,6 +77,24 @@ static void CheckSubDir() {
        create_profile_dir(CHEATS_DIR);
        create_profile_dir(PATCHES_DIR);
        create_profile_dir(PCSX_DOT_DIR "cfg");
+       create_profile_dir("/screenshots/");
+}
+
+static int get_gameid_filename(char *buf, int size, const char *fmt, int i) {
+       char trimlabel[33];
+       int j;
+
+       strncpy(trimlabel, CdromLabel, 32);
+       trimlabel[32] = 0;
+       for (j = 31; j >= 0; j--)
+               if (trimlabel[j] == ' ')
+                       trimlabel[j] = 0;
+               else
+                       continue;
+
+       snprintf(buf, size, fmt, trimlabel, CdromId, i);
+
+       return 0;
 }
 
 void set_cd_image(const char *fname)
@@ -77,7 +106,7 @@ void set_cd_image(const char *fname)
 
        if (ext && (
            strcasecmp(ext, ".z") == 0 || strcasecmp(ext, ".bz") == 0 ||
-           strcasecmp(ext, ".znx") == 0 || strcasecmp(ext, ".pbp") == 0)) {
+           strcasecmp(ext, ".znx") == 0 /*|| strcasecmp(ext, ".pbp") == 0*/)) {
                SetIsoFile(NULL);
                cdrcimg_set_fname(fname);
                strcpy(Config.Cdr, "builtin_cdrcimg");
@@ -100,20 +129,73 @@ static void set_default_paths(void)
        strcpy(Config.Pad1, "builtin_pad");
        strcpy(Config.Pad2, "builtin_pad");
        strcpy(Config.Net, "Disabled");
-       Config.PsxAuto = 1;
+#if defined(__arm__) && !defined(__ARM_ARCH_7A__) /* XXX */
+       strcpy(Config.Gpu, "gpu_unai.so");
+#endif
 
        snprintf(Config.PatchesDir, sizeof(Config.PatchesDir), "." PATCHES_DIR);
 }
 
+void emu_set_default_config(void)
+{
+       // try to set sane config on which most games work
+       Config.Xa = Config.Cdda = Config.Sio =
+       Config.SpuIrq = Config.RCntFix = Config.VSyncWA = 0;
+       Config.CdrReschedule = 0;
+       Config.PsxAuto = 1;
+
+       pl_rearmed_cbs.gpu_neon.allow_interlace = 2; // auto
+       pl_rearmed_cbs.gpu_peops.iUseDither = 0;
+       pl_rearmed_cbs.gpu_peops.dwActFixes = 1<<7;
+       pl_rearmed_cbs.gpu_unai.abe_hack =
+       pl_rearmed_cbs.gpu_unai.no_light =
+       pl_rearmed_cbs.gpu_unai.no_blend = 0;
+       memset(&pl_rearmed_cbs.gpu_peopsgl, 0, sizeof(pl_rearmed_cbs.gpu_peopsgl));
+       pl_rearmed_cbs.gpu_peopsgl.iVRamSize = 64;
+       pl_rearmed_cbs.gpu_peopsgl.iTexGarbageCollection = 1;
+
+       iUseReverb = 2;
+       iUseInterpolation = 1;
+       iXAPitch = 0;
+       iVolume = 768;
+#ifndef __ARM_ARCH_7A__ /* XXX */
+       iUseReverb = 0;
+       iUseInterpolation = 0;
+#endif
+       new_dynarec_hacks = 0;
+       cycle_multiplier = 200;
+
+       in_type1 = PSE_PAD_TYPE_STANDARD;
+       in_type2 = PSE_PAD_TYPE_STANDARD;
+}
+
+static void check_memcards(void)
+{
+       char buf[MAXPATHLEN];
+       FILE *f;
+       int i;
+
+       for (i = 1; i <= 9; i++) {
+               snprintf(buf, sizeof(buf), ".%scard%d.mcd", MEMCARD_DIR, i);
+
+               f = fopen(buf, "rb");
+               if (f == NULL) {
+                       printf("Creating memcard: %s\n", buf);
+                       CreateMcd(buf);
+               }
+               else
+                       fclose(f);
+       }
+}
+
 void do_emu_action(void)
 {
+       char buf[MAXPATHLEN];
        int ret;
 
        emu_action_old = emu_action;
 
        switch (emu_action) {
-       case SACTION_NONE:
-               return;
        case SACTION_ENTER_MENU:
                menu_loop();
                return;
@@ -136,10 +218,43 @@ void do_emu_action(void)
                        state_slot = 9;
                goto do_state_slot;
        case SACTION_TOGGLE_FSKIP:
-               UseFrameSkip ^= 1;
-               snprintf(hud_msg, sizeof(hud_msg), "FRAMESKIP %s",
-                       UseFrameSkip ? "ON" : "OFF");
+               pl_rearmed_cbs.fskip_advice = 0;
+               pl_rearmed_cbs.frameskip++;
+               if (pl_rearmed_cbs.frameskip > 1)
+                       pl_rearmed_cbs.frameskip = -1;
+               snprintf(hud_msg, sizeof(hud_msg), "FRAMESKIP: %s",
+                       pl_rearmed_cbs.frameskip == -1 ? "AUTO" :
+                       pl_rearmed_cbs.frameskip == 0 ? "OFF" : "1" );
+               plugin_call_rearmed_cbs();
                break;
+       case SACTION_SCREENSHOT:
+               {
+                       void *scrbuf;
+                       int w, h, bpp;
+                       time_t t = time(NULL);
+                       struct tm *tb = localtime(&t);
+                       int ti = tb->tm_yday * 1000000 + tb->tm_hour * 10000 +
+                               tb->tm_min * 100 + tb->tm_sec;
+
+                       scrbuf = pl_prepare_screenshot(&w, &h, &bpp);
+                       get_gameid_filename(buf, sizeof(buf),
+                               "screenshots/%.32s-%.9s.%d.png", ti);
+                       ret = -1;
+                       if (scrbuf != 0 && bpp == 16)
+                               ret = writepng(buf, scrbuf, w, h);
+                       if (ret == 0)
+                               snprintf(hud_msg, sizeof(hud_msg), "SCREENSHOT TAKEN");
+                       break;
+               }
+       case SACTION_VOLUME_UP:
+       case SACTION_VOLUME_DOWN:
+               plat_step_volume(emu_action == SACTION_VOLUME_UP);
+               return;
+       case SACTION_MINIMIZE:
+               plat_minimize();
+               return;
+       default:
+               return;
        }
        hud_new_msg = 3;
        return;
@@ -148,23 +263,125 @@ do_state_slot:
        snprintf(hud_msg, sizeof(hud_msg), "STATE SLOT %d [%s]", state_slot,
                emu_check_state(state_slot) == 0 ? "USED" : "FREE");
        hud_new_msg = 3;
+       printf("* %s\n", hud_msg);
 }
 
-int main(int argc, char *argv[])
+static int cdidcmp(const char *id1, const char *id2)
 {
-       void *tmp;
-
-       tmp = dlopen("/lib/libdl.so.2", RTLD_LAZY);
-       if (tmp == NULL)
-               tmp = dlopen("/lib32/libdl.so.2", RTLD_LAZY);
-       if (tmp != NULL)
-               real_getenv = dlsym(tmp, "getenv");
-       if (real_getenv == NULL) {
-               fprintf(stderr, "%s\n", dlerror());
-               return 1;
+       while (*id1 != 0 && *id2 != 0) {
+               if (*id1 == '_') { id1++; continue; }
+               if (*id2 == '_') { id2++; continue; }
+               if (*id1 != *id2)
+                       break;
+               id1++;
+               id2++;
+       }
+
+       return *id1 - *id2;
+}
+
+static void parse_cwcheat(void)
+{
+       char line[256], buf[64], name[64], *p;
+       int newcheat = 1;
+       u32 a, v;
+       FILE *f;
+
+       f = fopen("cheatpops.db", "r");
+       if (f == NULL)
+               return;
+
+       /* find the game */
+       while (fgets(line, sizeof(line), f)) {
+               if (sscanf(line, "_S %63s", buf) != 1)
+                       continue;
+               if (cdidcmp(buf, CdromId) == 0)
+                       break;
+       }
+
+       if (feof(f))
+               goto out;
+
+       printf("cwcheat section found for %s\n", CdromId);
+       while (fgets(line, sizeof(line), f))
+       {
+               p = line + strlen(line);
+               for (p--; p >= line && (*p == '\r' || *p == '\n' || *p == ' '); p--)
+                       *p = 0;
+               if (*p == 0 || *p == '#' || *p == ';')
+                       continue;
+
+               if (strncmp(line, "_S", 2) == 0)
+                       break;
+               if (strncmp(line, "_G", 2) == 0) {
+                       printf("  cwcheat game name: '%s'\n", line + 3);
+                       continue;
+               }
+               if (strncmp(line, "_C0", 3) == 0) {
+                       if (!newcheat && Cheats[NumCheats - 1].n == 0) {
+                               printf("cheat '%s' failed to parse\n", name);
+                               free(Cheats[NumCheats - 1].Descr);
+                               NumCheats--;
+                       }
+                       snprintf(name, sizeof(name), "%s", line + 4);
+                       newcheat = 1;
+                       continue;
+               }
+               if (sscanf(line, "_L %x %x", &a, &v) != 2) {
+                       printf("line failed to parse: '%s'\n", line);
+                       continue;
+               }
+
+               if (newcheat) {
+                       if (NumCheats >= NumCheatsAllocated) {
+                               NumCheatsAllocated += 16;
+                               Cheats = realloc(Cheats, sizeof(Cheat) *
+                                               NumCheatsAllocated);
+                               if (Cheats == NULL)
+                                       break;
+                       }
+                       Cheats[NumCheats].Descr = strdup(name);
+                       Cheats[NumCheats].Enabled = 0;
+                       Cheats[NumCheats].WasEnabled = 0;
+                       Cheats[NumCheats].First = NumCodes;
+                       Cheats[NumCheats].n = 0;
+                       NumCheats++;
+                       newcheat = 0;
+               }
+
+               if (NumCodes >= NumCodesAllocated) {
+                       NumCodesAllocated += 16;
+                       CheatCodes = realloc(CheatCodes, sizeof(CheatCode) *
+                               NumCodesAllocated);
+                       if (CheatCodes == NULL)
+                               break;
+               }
+               CheatCodes[NumCodes].Addr = a;
+               CheatCodes[NumCodes].Val = v;
+               NumCodes++;
+               Cheats[NumCheats - 1].n++;
+       }
+
+out:
+       fclose(f);
+}
+
+void emu_on_new_cd(void)
+{
+       ClearAllCheats();
+       parse_cwcheat();
+
+       if (Config.HLE) {
+               printf("note: running with HLE BIOS, expect compatibility problems\n");
+               printf("----------------------------------------------------------\n");
        }
-       dlclose(tmp);
 
+       snprintf(hud_msg, sizeof(hud_msg), "Booting up...");
+       hud_new_msg = 2;
+}
+
+int main(int argc, char *argv[])
+{
        // what is the name of the config file?
        // it may be redefined by -cfg on the command line
        strcpy(cfgfile_basename, "pcsx.cfg");
@@ -176,6 +393,8 @@ int main(int argc, char *argv[])
 
        CheckSubDir();
        set_default_paths();
+       emu_set_default_config();
+       check_memcards();
        strcpy(Config.Bios, "HLE");
 
 #ifdef MAEMO
@@ -185,12 +404,14 @@ int main(int argc, char *argv[])
        char file[MAXPATHLEN] = "";
        char path[MAXPATHLEN];
        const char *cdfile = NULL;
+       const char *loadst_f = NULL;
+       int psxout = 0;
        int loadst = 0;
        int i;
 
        // read command line options
        for (i = 1; i < argc; i++) {
-                    if (!strcmp(argv[i], "-psxout")) Config.PsxOut = 1;
+                    if (!strcmp(argv[i], "-psxout")) psxout = 1;
                else if (!strcmp(argv[i], "-load")) loadst = atol(argv[++i]);
                else if (!strcmp(argv[i], "-cfg")) {
                        if (i+1 >= argc) break;
@@ -214,6 +435,10 @@ int main(int argc, char *argv[])
 
                        cdfile = isofilename;
                }
+               else if (!strcmp(argv[i], "-loadf")) {
+                       if (i+1 >= argc) break;
+                       loadst_f = argv[++i];
+               }
                else if (!strcmp(argv[i], "-h") ||
                         !strcmp(argv[i], "-help") ||
                         !strcmp(argv[i], "--help")) {
@@ -250,10 +475,15 @@ int main(int argc, char *argv[])
                return 1;
 
        // frontend stuff
+       // init input but leave probing to platform code,
+       // they add input drivers and may need to modify them after probe
        in_init();
-       in_probe();
+       pl_init();
        plat_init();
-       menu_init();
+       menu_init(); // loads config
+
+       if (psxout)
+               Config.PsxOut = 1;
 
        if (LoadPlugins() == -1) {
                // FIXME: this recovery doesn't work, just delete bad config and bail out
@@ -284,6 +514,7 @@ int main(int argc, char *argv[])
                                printf(_("Could not load CD-ROM!\n"));
                                return -1;
                        }
+                       emu_on_new_cd();
                        ready_to_go = 1;
                }
        }
@@ -296,6 +527,10 @@ int main(int argc, char *argv[])
                        int ret = emu_load_state(loadst - 1);
                        printf("%s state %d\n", ret ? "failed to load" : "loaded", loadst);
                }
+               if (loadst_f) {
+                       int ret = LoadState(loadst_f);
+                       printf("%s state file: %s\n", ret ? "failed to load" : "loaded", loadst_f);
+               }
        }
        else
                menu_loop();
@@ -322,7 +557,7 @@ int SysInit() {
                return -1;
        }
 
-       LoadMcds(Config.Mcd1, Config.Mcd2);     /* TODO Do we need to have this here, or in the calling main() function?? */
+       LoadMcds(Config.Mcd1, Config.Mcd2);
 
        if (Config.Debug) {
                StartDebugger();
@@ -350,6 +585,9 @@ void SysReset() {
        void *real_lace = GPU_updateLace;
        GPU_updateLace = dummy_lace;
 
+       // reset can run code, timing must be set
+       pl_timing_prepare(Config.PsxType);
+
        EmuReset();
 
        // hmh core forgets this
@@ -375,27 +613,14 @@ void OnFile_Exit() {
 #ifndef MAEMO
        menu_finish();
 #endif
-       plat_finish();
        SysClose();
+       plat_finish();
        exit(0);
 }
 
 int get_state_filename(char *buf, int size, int i) {
-       char trimlabel[33];
-       int j;
-
-       strncpy(trimlabel, CdromLabel, 32);
-       trimlabel[32] = 0;
-       for (j = 31; j >= 0; j--)
-               if (trimlabel[j] == ' ')
-                       trimlabel[j] = 0;
-               else
-                       continue;
-
-       snprintf(buf, size, "." STATES_DIR "%.32s-%.9s.%3.3d",
-               trimlabel, CdromId, i);
-
-       return 0;
+       return get_gameid_filename(buf, size,
+               "." STATES_DIR "%.32s-%.9s.%3.3d", i);
 }
 
 int emu_check_state(int slot)
@@ -419,7 +644,12 @@ int emu_save_state(int slot)
        if (ret != 0)
                return ret;
 
-       return SaveState(fname);
+       ret = SaveState(fname);
+#ifndef __ARM_ARCH_7A__ /* XXX */
+       sync();
+#endif
+       printf("* %s \"%s\" [%d]\n", ret == 0 ? "saved" : "failed to save", fname, slot);
+       return ret;
 }
 
 int emu_load_state(int slot)
@@ -585,20 +815,6 @@ void ClosePlugins() {
        }
 }
 
-#if 1
-/* this is to avoid having to hack every plugin to stop using $HOME */
-char *getenv(const char *name)
-{
-       static char ret[8] = ".";
-
-       if (name && strcmp(name, "HOME") == 0 &&
-                       ((int)name >> 28) == 0) // HACK: let libs find home
-               return ret;
-
-       return real_getenv(name);
-}
-#endif
-
 /* we hook statically linked plugins here */
 static const char *builtin_plugins[] = {
        "builtin_gpu", "builtin_spu", "builtin_cdr", "builtin_pad",
@@ -626,9 +842,11 @@ void *SysLoadLibrary(const char *lib) {
 
 #if defined(__x86_64__) || defined(__i386__)
        // convenience hack
-       char name[MAXPATHLEN];
-       snprintf(name, sizeof(name), "%s.x86", lib);
-       lib = name;
+       if (strstr(lib, ".x86") == NULL) {
+               char name[MAXPATHLEN];
+               snprintf(name, sizeof(name), "%s.x86_64", lib);
+               lib = name;
+       }
 #endif
 
        ret = dlopen(lib, RTLD_NOW);