int YabLoadState(const char *filename) { FILE *fp; char id[3]; u8 endian; int headerversion, version, size, chunksize, headersize; IOCheck_struct check; u8* buf; int totalsize; int outputwidth; int outputheight; int curroutputwidth; int curroutputheight; int movieposition; int temp; u32 temp32; filename = MakeMovieStateName(filename); if (!filename) return -1; if ((fp = fopen(filename, "rb")) == NULL) return -1; headersize = 0xC; // Read signature yread(&check, (void *)id, 1, 3, fp); if (strncmp(id, "YSS", 3) != 0) { fclose(fp); return -2; } // Read header yread(&check, (void *)&endian, 1, 1, fp); yread(&check, (void *)&headerversion, 4, 1, fp); yread(&check, (void *)&size, 4, 1, fp); switch(headerversion) { case 1: /* This is the "original" version of the format */ break; case 2: /* version 2 adds video recording */ yread(&check, (void *)&framecounter, 4, 1, fp); movieposition=ftell(fp); yread(&check, (void *)&movieposition, 4, 1, fp); headersize = 0x14; break; default: /* we're trying to open a save state using a future version * of the YSS format, that won't work, sorry :) */ fclose(fp); return -3; break; } #ifdef WORDS_BIGENDIAN if (endian == 1) #else if (endian == 0) #endif { // should setup reading so it's byte-swapped YabSetError(YAB_ERR_OTHER, (void *)"Load State byteswapping not supported"); fclose(fp); return -3; } // Make sure size variable matches actual size minus header fseek(fp, 0, SEEK_END); if (size != (ftell(fp) - headersize)) { fclose(fp); return -2; } fseek(fp, headersize, SEEK_SET); // Verify version here ScspMuteAudio(SCSP_MUTE_SYSTEM); if (StateCheckRetrieveHeader(fp, "CART", &version, &chunksize) != 0) { fclose(fp); // Revert back to old state here ScspUnMuteAudio(SCSP_MUTE_SYSTEM); return -3; } CartLoadState(fp, version, chunksize); if (StateCheckRetrieveHeader(fp, "CS2 ", &version, &chunksize) != 0) { fclose(fp); // Revert back to old state here ScspUnMuteAudio(SCSP_MUTE_SYSTEM); return -3; } Cs2LoadState(fp, version, chunksize); if (StateCheckRetrieveHeader(fp, "MSH2", &version, &chunksize) != 0) { fclose(fp); // Revert back to old state here ScspUnMuteAudio(SCSP_MUTE_SYSTEM); return -3; } SH2LoadState(MSH2, fp, version, chunksize); if (StateCheckRetrieveHeader(fp, "SSH2", &version, &chunksize) != 0) { fclose(fp); // Revert back to old state here ScspUnMuteAudio(SCSP_MUTE_SYSTEM); return -3; } SH2LoadState(SSH2, fp, version, chunksize); if (StateCheckRetrieveHeader(fp, "SCSP", &version, &chunksize) != 0) { fclose(fp); // Revert back to old state here ScspUnMuteAudio(SCSP_MUTE_SYSTEM); return -3; } SoundLoadState(fp, version, chunksize); if (StateCheckRetrieveHeader(fp, "SCU ", &version, &chunksize) != 0) { fclose(fp); // Revert back to old state here ScspUnMuteAudio(SCSP_MUTE_SYSTEM); return -3; } ScuLoadState(fp, version, chunksize); if (StateCheckRetrieveHeader(fp, "SMPC", &version, &chunksize) != 0) { fclose(fp); // Revert back to old state here ScspUnMuteAudio(SCSP_MUTE_SYSTEM); return -3; } SmpcLoadState(fp, version, chunksize); if (StateCheckRetrieveHeader(fp, "VDP1", &version, &chunksize) != 0) { fclose(fp); // Revert back to old state here ScspUnMuteAudio(SCSP_MUTE_SYSTEM); return -3; } Vdp1LoadState(fp, version, chunksize); if (StateCheckRetrieveHeader(fp, "VDP2", &version, &chunksize) != 0) { fclose(fp); // Revert back to old state here ScspUnMuteAudio(SCSP_MUTE_SYSTEM); return -3; } Vdp2LoadState(fp, version, chunksize); if (StateCheckRetrieveHeader(fp, "OTHR", &version, &chunksize) != 0) { fclose(fp); // Revert back to old state here ScspUnMuteAudio(SCSP_MUTE_SYSTEM); return -3; } // Other data yread(&check, (void *)BupRam, 0x10000, 1, fp); yread(&check, (void *)HighWram, 0x100000, 1, fp); yread(&check, (void *)LowWram, 0x100000, 1, fp); yread(&check, (void *)&yabsys.DecilineCount, sizeof(int), 1, fp); yread(&check, (void *)&yabsys.LineCount, sizeof(int), 1, fp); yread(&check, (void *)&yabsys.VBlankLineCount, sizeof(int), 1, fp); yread(&check, (void *)&yabsys.MaxLineCount, sizeof(int), 1, fp); yread(&check, (void *)&temp, sizeof(int), 1, fp); yread(&check, (void *)&temp, sizeof(int), 1, fp); yread(&check, (void *)&temp32, sizeof(u32), 1, fp); yread(&check, (void *)&yabsys.CurSH2FreqType, sizeof(int), 1, fp); yread(&check, (void *)&yabsys.IsPal, sizeof(int), 1, fp); YabauseChangeTiming(yabsys.CurSH2FreqType); yabsys.UsecFrac = (temp32 << YABSYS_TIMING_BITS) * temp / 10; if (headerversion > 1) { yread(&check, (void *)&outputwidth, sizeof(outputwidth), 1, fp); yread(&check, (void *)&outputheight, sizeof(outputheight), 1, fp); totalsize=outputwidth * outputheight * sizeof(u32); if ((buf = (u8 *)malloc(totalsize)) == NULL) { return -2; } yread(&check, (void *)buf, totalsize, 1, fp); YuiSwapBuffers(); #ifdef USE_OPENGL if(VIDCore->id == VIDCORE_SOFT) glRasterPos2i(0, outputheight); if(VIDCore->id == VIDCORE_OGL) glRasterPos2i(0, outputheight/2); #endif VIDCore->GetGlSize(&curroutputwidth, &curroutputheight); #ifdef USE_OPENGL glPixelZoom((float)curroutputwidth / (float)outputwidth, ((float)curroutputheight / (float)outputheight)); glDrawPixels(outputwidth, outputheight, GL_RGBA, GL_UNSIGNED_BYTE, buf); #endif YuiSwapBuffers(); fseek(fp, movieposition, SEEK_SET); MovieReadState(fp, filename); } fclose(fp); ScspUnMuteAudio(SCSP_MUTE_SYSTEM); OSDPushMessage(OSDMSG_STATUS, 150, "STATE LOADED"); return 0; }
int YabSaveState(const char *filename) { u32 i; FILE *fp; int offset; IOCheck_struct check; u8 *buf; int totalsize; int outputwidth; int outputheight; int movieposition; int temp; u32 temp32; check.done = 0; check.size = 0; //use a second set of savestates for movies filename = MakeMovieStateName(filename); if (!filename) return -1; if ((fp = fopen(filename, "wb")) == NULL) return -1; // Write signature fprintf(fp, "YSS"); // Write endianness byte #ifdef WORDS_BIGENDIAN fputc(0x00, fp); #else fputc(0x01, fp); #endif // Write version(fix me) i = 2; ywrite(&check, (void *)&i, sizeof(i), 1, fp); // Skip the next 4 bytes for now i = 0; ywrite(&check, (void *)&i, sizeof(i), 1, fp); //write frame number ywrite(&check, (void *)&framecounter, 4, 1, fp); //this will be updated with the movie position later ywrite(&check, (void *)&framecounter, 4, 1, fp); // Go through each area and write each state i += CartSaveState(fp); i += Cs2SaveState(fp); i += SH2SaveState(MSH2, fp); i += SH2SaveState(SSH2, fp); i += SoundSaveState(fp); i += ScuSaveState(fp); i += SmpcSaveState(fp); i += Vdp1SaveState(fp); i += Vdp2SaveState(fp); offset = StateWriteHeader(fp, "OTHR", 1); // Other data ywrite(&check, (void *)BupRam, 0x10000, 1, fp); // do we really want to save this? ywrite(&check, (void *)HighWram, 0x100000, 1, fp); ywrite(&check, (void *)LowWram, 0x100000, 1, fp); ywrite(&check, (void *)&yabsys.DecilineCount, sizeof(int), 1, fp); ywrite(&check, (void *)&yabsys.LineCount, sizeof(int), 1, fp); ywrite(&check, (void *)&yabsys.VBlankLineCount, sizeof(int), 1, fp); ywrite(&check, (void *)&yabsys.MaxLineCount, sizeof(int), 1, fp); temp = yabsys.DecilineStop >> YABSYS_TIMING_BITS; ywrite(&check, (void *)&temp, sizeof(int), 1, fp); temp = (yabsys.CurSH2FreqType == CLKTYPE_26MHZ) ? 268 : 286; ywrite(&check, (void *)&temp, sizeof(int), 1, fp); temp32 = (yabsys.UsecFrac * temp / 10) >> YABSYS_TIMING_BITS; ywrite(&check, (void *)&temp32, sizeof(u32), 1, fp); ywrite(&check, (void *)&yabsys.CurSH2FreqType, sizeof(int), 1, fp); ywrite(&check, (void *)&yabsys.IsPal, sizeof(int), 1, fp); VIDCore->GetGlSize(&outputwidth, &outputheight); totalsize=outputwidth * outputheight * sizeof(u32); if ((buf = (u8 *)malloc(totalsize)) == NULL) { return -2; } YuiSwapBuffers(); #ifdef USE_OPENGL glPixelZoom(1,1); glReadBuffer(GL_BACK); glReadPixels(0, 0, outputwidth, outputheight, GL_RGBA, GL_UNSIGNED_BYTE, buf); #endif YuiSwapBuffers(); ywrite(&check, (void *)&outputwidth, sizeof(outputwidth), 1, fp); ywrite(&check, (void *)&outputheight, sizeof(outputheight), 1, fp); ywrite(&check, (void *)buf, totalsize, 1, fp); movieposition=ftell(fp); //write the movie to the end of the savestate SaveMovieInState(fp, check); i += StateFinishHeader(fp, offset); // Go back and update size fseek(fp, 8, SEEK_SET); ywrite(&check, (void *)&i, sizeof(i), 1, fp); fseek(fp, 16, SEEK_SET); ywrite(&check, (void *)&movieposition, sizeof(movieposition), 1, fp); fclose(fp); OSDPushMessage(OSDMSG_STATUS, 150, "STATE SAVED"); return 0; }
void YglRender(void) { YglLevel * level; glEnable(GL_TEXTURE_2D); #ifdef USEMICSHADERS glShadeModel(GL_SMOOTH); #endif glBindTexture(GL_TEXTURE_2D, _Ygl->texture); glTexSubImage2D (GL_TEXTURE_2D, 0, 0, 0, YglTM->width, YglTM->yMax, GL_RGBA, GL_UNSIGNED_BYTE, YglTM->texture); #ifdef USEMICSHADERS if (useShaders) { glEnableClientState(GL_COLOR_ARRAY); pfglUseProgram(shaderProgram); } #endif if(_Ygl->st) { int vertices [] = { 0, 0, 320, 0, 320, 224, 0, 224 }; int text [] = { 0, 0, YglTM->width, 0, YglTM->width, YglTM->height, 0, YglTM->height }; glVertexPointer(2, GL_INT, 0, vertices); #ifdef USEMICSHADERS // FIXME: this needs to be defined --AC //glColorPointer(4, GL_UNSIGNED_BYTE, 0, colors); #endif glTexCoordPointer(4, GL_INT, 0, text); glDrawArrays(GL_QUADS, 0, 4); } else { unsigned int i; for(i = 0;i < _Ygl->depth;i++) { level = _Ygl->levels + i; glVertexPointer(2, GL_INT, 0, level->quads); #ifdef USEMICSHADERS glColorPointer(4, GL_UNSIGNED_BYTE, 0, level->colors); #endif glTexCoordPointer(4, GL_INT, 0, level->textcoords); glDrawArrays(GL_QUADS, 0, level->currentQuad / 2); } } #ifdef USEMICSHADERS if (useShaders) { glDisableClientState(GL_COLOR_ARRAY); pfglUseProgram(0); } #endif glDisable(GL_TEXTURE_2D); #ifndef _arch_dreamcast #if HAVE_LIBGLUT if (_Ygl->msglength > 0) { int i; glColor3f(1.0f, 0.0f, 0.0f); glRasterPos2i(10, 22); for (i = 0; i < _Ygl->msglength; i++) { glutBitmapCharacter(GLUT_BITMAP_HELVETICA_12, _Ygl->message[i]); } glColor3f(1, 1, 1); } #endif #endif YuiSwapBuffers(); }