cheat: add some undo logic
[pcsx_rearmed.git] / frontend / main.c
index 498e780..15eae71 100644 (file)
 #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/input.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];
@@ -117,11 +129,46 @@ 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];
@@ -199,6 +246,13 @@ void do_emu_action(void)
                                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;
        }
@@ -212,21 +266,122 @@ do_state_slot:
        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++;
        }
-       dlclose(tmp);
 
+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");
+       }
+
+       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");
@@ -238,6 +393,7 @@ int main(int argc, char *argv[])
 
        CheckSubDir();
        set_default_paths();
+       emu_set_default_config();
        check_memcards();
        strcpy(Config.Bios, "HLE");
 
@@ -319,11 +475,12 @@ 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(); // loads config
-       pl_init();
 
        if (psxout)
                Config.PsxOut = 1;
@@ -357,6 +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;
                }
        }
@@ -427,6 +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
@@ -484,6 +645,9 @@ int emu_save_state(int slot)
                return ret;
 
        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;
 }
@@ -651,20 +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",
@@ -692,9 +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);