.ftm loading progress (incomplete, not working)
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tildearrow
parent
509e46417f
commit
05af3c147a
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@ -19,6 +19,7 @@
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#include "engine.h"
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#include "../ta-log.h"
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#include "instrument.h"
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#include "song.h"
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#include <zlib.h>
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#include <fmt/printf.h>
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@ -2034,11 +2035,28 @@ bool DivEngine::loadMod(unsigned char* file, size_t len) {
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return success;
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}
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#define CHECK_BLOCK_VERSION(x) \
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if (blockVersion>x) { \
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logE("incompatible block version %d for %s!",blockVersion,blockName); \
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lastError="incompatible block version"; \
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delete[] file; \
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return false; \
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}
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bool DivEngine::loadFTM(unsigned char* file, size_t len) {
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SafeReader reader=SafeReader(file,len);
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warnings="";
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try {
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DivSong ds;
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String blockName;
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unsigned char expansions=0;
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unsigned int tchans=0;
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unsigned int n163Chans=0;
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bool hasSequence[256][8];
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unsigned char sequenceIndex[256][8];
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memset(hasSequence,0,256*8*sizeof(bool));
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memset(sequenceIndex,0,256*8);
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if (!reader.seek(18,SEEK_SET)) {
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logE("premature end of file!");
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@ -2046,17 +2064,327 @@ bool DivEngine::loadFTM(unsigned char* file, size_t len) {
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delete[] file;
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return false;
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}
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ds.version=(unsigned short)reader.readS();
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ds.version=(unsigned short)reader.readI();
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logI("module version %d (0x%.4x)",ds.version,ds.version);
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if (ds.version>0x0440) {
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if (ds.version>0x0450) {
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logE("incompatible version %x!",ds.version);
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lastError="incompatible version";
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delete[] file;
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return false;
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}
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while (true) {
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blockName=reader.readString(3);
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if (blockName=="END") {
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// end of module
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logD("end of data");
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break;
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}
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// not the end
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reader.seek(-3,SEEK_CUR);
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blockName=reader.readString(16);
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unsigned int blockVersion=(unsigned int)reader.readI();
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unsigned int blockSize=(unsigned int)reader.readI();
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size_t blockStart=reader.tell();
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logD("reading block %s (version %d, %d bytes)",blockName,blockVersion,blockSize);
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if (blockName=="PARAMS") {
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CHECK_BLOCK_VERSION(6);
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unsigned int oldSpeedTempo=0;
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if (blockVersion<=1) {
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oldSpeedTempo=reader.readI();
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}
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if (blockVersion>=2) {
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expansions=reader.readC();
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}
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tchans=reader.readI();
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unsigned int pal=reader.readI();
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unsigned int customHz=reader.readI();
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unsigned int newVibrato=0;
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unsigned int speedSplitPoint=0;
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if (blockVersion>=3) {
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newVibrato=reader.readI();
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}
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if (blockVersion>=4) {
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ds.hilightA=reader.readI();
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ds.hilightB=reader.readI();
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}
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if (expansions&8) if (blockVersion>=5) { // N163 channels
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n163Chans=reader.readI();
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}
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if (blockVersion>=6) {
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speedSplitPoint=reader.readI();
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}
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logV("old speed/tempo: %d",oldSpeedTempo);
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logV("expansions: %x",expansions);
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logV("channels: %d",tchans);
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logV("PAL: %d",pal);
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logV("custom Hz: %d",customHz);
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logV("new vibrato: %d",newVibrato);
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logV("N163 channels: %d",n163Chans);
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logV("highlight 1: %d",ds.hilightA);
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logV("highlight 2: %d",ds.hilightB);
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logV("split point: %d",speedSplitPoint);
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if (customHz!=0) {
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ds.hz=customHz;
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}
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// initialize channels
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int systemID=0;
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ds.system[systemID++]=DIV_SYSTEM_NES;
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if (expansions&1) {
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ds.system[systemID++]=DIV_SYSTEM_VRC6;
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}
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if (expansions&2) {
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ds.system[systemID++]=DIV_SYSTEM_VRC7;
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}
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if (expansions&4) {
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ds.system[systemID++]=DIV_SYSTEM_FDS;
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}
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if (expansions&8) {
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ds.system[systemID++]=DIV_SYSTEM_MMC5;
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}
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if (expansions&16) {
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ds.system[systemID]=DIV_SYSTEM_N163;
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ds.systemFlags[systemID++]=n163Chans;
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}
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if (expansions&32) {
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ds.system[systemID]=DIV_SYSTEM_AY8910;
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ds.systemFlags[systemID++]=38; // Sunsoft 5B
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}
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ds.systemLen=systemID;
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unsigned int calcChans=0;
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for (int i=0; i<ds.systemLen; i++) {
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calcChans+=getChannelCount(ds.system[i]);
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}
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if (calcChans!=tchans) {
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logE("channel counts do not match! %d != %d",tchans,calcChans);
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lastError="channel counts do not match";
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delete[] file;
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return false;
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}
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if (tchans>DIV_MAX_CHANS) {
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tchans=DIV_MAX_CHANS;
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logW("too many channels!");
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}
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} else if (blockName=="INFO") {
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CHECK_BLOCK_VERSION(1);
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ds.name=reader.readString(32);
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ds.author=reader.readString(32);
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ds.copyright=reader.readString(32);
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} else if (blockName=="HEADER") {
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CHECK_BLOCK_VERSION(3);
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unsigned char totalSongs=reader.readC();
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logV("%d songs:",totalSongs+1);
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for (int i=0; i<=totalSongs; i++) {
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String subSongName=reader.readString();
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logV("- %s",subSongName);
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}
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for (unsigned int i=0; i<tchans; i++) {
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unsigned char chID=reader.readC();
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logV("for channel ID %d",chID);
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for (int j=0; j<=totalSongs; j++) {
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unsigned char effectCols=reader.readC();
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if (j==0) {
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ds.pat[i].effectCols=effectCols+1;
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}
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logV("- song %d has %d effect columns",j,effectCols);
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}
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}
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} else if (blockName=="INSTRUMENTS") {
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CHECK_BLOCK_VERSION(6);
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ds.insLen=reader.readI();
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if (ds.insLen<0 || ds.insLen>256) {
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logE("too many instruments/out of range!");
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lastError="too many instruments/out of range";
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delete[] file;
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return false;
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}
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for (int i=0; i<ds.insLen; i++) {
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DivInstrument* ins=new DivInstrument;
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ds.ins.push_back(ins);
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}
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logV("instruments:");
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for (int i=0; i<ds.insLen; i++) {
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unsigned int insIndex=reader.readI();
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if (insIndex>=ds.ins.size()) {
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logE("instrument index %d is out of range!",insIndex);
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lastError="instrument index out of range";
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delete[] file;
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return false;
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}
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DivInstrument* ins=ds.ins[insIndex];
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unsigned char insType=reader.readC();
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switch (insType) {
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case 1:
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ins->type=DIV_INS_STD;
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break;
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case 2: // TODO: tell VRC6 and VRC6 saw instruments apart
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ins->type=DIV_INS_VRC6;
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break;
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case 3:
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ins->type=DIV_INS_OPLL;
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break;
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case 4:
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ins->type=DIV_INS_FDS;
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break;
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case 5:
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ins->type=DIV_INS_N163;
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break;
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case 6: // 5B?
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ins->type=DIV_INS_AY;
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break;
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default: {
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logE("%d: invalid instrument type %d",insIndex,insType);
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lastError="invalid instrument type";
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delete[] file;
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return false;
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}
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}
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// instrument data
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switch (ins->type) {
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case DIV_INS_STD: {
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unsigned int totalSeqs=reader.readI();
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if (totalSeqs>5) {
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logE("%d: too many sequences!",insIndex);
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lastError="too many sequences";
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delete[] file;
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return false;
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}
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for (unsigned int j=0; j<totalSeqs; j++) {
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hasSequence[insIndex][j]=reader.readC();
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sequenceIndex[insIndex][j]=reader.readC();
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}
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const int dpcmNotes=(blockVersion>=2)?96:72;
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for (int j=0; j<dpcmNotes; j++) {
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ins->amiga.noteMap[j]=(short)((unsigned char)reader.readC())-1;
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ins->amiga.noteFreq[j]=(unsigned char)reader.readC();
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if (blockVersion>=6) {
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reader.readC(); // DMC value
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}
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}
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break;
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}
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case DIV_INS_VRC6: {
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unsigned int totalSeqs=reader.readI();
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if (totalSeqs>4) {
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logE("%d: too many sequences!",insIndex);
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lastError="too many sequences";
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delete[] file;
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return false;
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}
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for (unsigned int j=0; j<totalSeqs; j++) {
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hasSequence[insIndex][j]=reader.readC();
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sequenceIndex[insIndex][j]=reader.readC();
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}
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break;
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}
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case DIV_INS_OPLL: {
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ins->fm.opllPreset=(unsigned int)reader.readI();
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// TODO
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break;
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}
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case DIV_INS_FDS: {
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DivWavetable* wave=new DivWavetable;
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wave->len=64;
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wave->max=64;
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for (int j=0; j<64; j++) {
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wave->data[j]=reader.readC();
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}
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ins->std.waveMacro.len=1;
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ins->std.waveMacro.val[0]=ds.wave.size();
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for (int j=0; j<32; j++) {
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ins->fds.modTable[j]=reader.readC()-3;
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}
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ins->fds.modSpeed=reader.readI();
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ins->fds.modDepth=reader.readI();
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reader.readI(); // this is delay. currently ignored. TODO.
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ds.wave.push_back(wave);
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ins->std.volMacro.len=reader.readC();
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ins->std.volMacro.loop=reader.readI();
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ins->std.volMacro.rel=reader.readI();
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reader.readI(); // arp mode does not apply here
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for (int j=0; j<ins->std.volMacro.len; j++) {
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ins->std.volMacro.val[j]=reader.readC();
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}
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ins->std.arpMacro.len=reader.readC();
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ins->std.arpMacro.loop=reader.readI();
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ins->std.arpMacro.rel=reader.readI();
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ins->std.arpMacro.mode=reader.readI();
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for (int j=0; j<ins->std.arpMacro.len; j++) {
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ins->std.arpMacro.val[j]=reader.readC();
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}
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ins->std.pitchMacro.len=reader.readC();
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ins->std.pitchMacro.loop=reader.readI();
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ins->std.pitchMacro.rel=reader.readI();
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reader.readI(); // arp mode does not apply here
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for (int j=0; j<ins->std.pitchMacro.len; j++) {
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ins->std.pitchMacro.val[j]=reader.readC();
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}
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break;
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}
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case DIV_INS_N163: {
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// TODO!
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break;
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}
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// TODO: 5B!
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default: {
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logE("%d: what's going on here?",insIndex);
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lastError="invalid instrument type";
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delete[] file;
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return false;
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}
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}
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// name
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ins->name=reader.readString((unsigned int)reader.readI());
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logV("- %d: %s",insIndex,ins->name);
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}
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} else if (blockName=="SEQUENCES") {
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CHECK_BLOCK_VERSION(6);
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} else if (blockName=="FRAMES") {
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CHECK_BLOCK_VERSION(3);
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} else if (blockName=="PATTERNS") {
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CHECK_BLOCK_VERSION(5);
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} else if (blockName=="DPCM SAMPLES") {
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CHECK_BLOCK_VERSION(1);
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} else if (blockName=="SEQUENCES_VRC6") {
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// where are the 5B and FDS sequences?
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CHECK_BLOCK_VERSION(6);
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} else if (blockName=="SEQUENCES_N163") {
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CHECK_BLOCK_VERSION(1);
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} else if (blockName=="COMMENTS") {
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CHECK_BLOCK_VERSION(1);
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} else {
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logE("block %s is unknown!",blockName);
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lastError="unknown block "+blockName;
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delete[] file;
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return false;
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}
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if ((reader.tell()-blockStart)!=blockSize) {
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logE("block %s is incomplete!",blockName);
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lastError="incomplete block "+blockName;
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delete[] file;
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return false;
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}
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}
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} catch (EndOfFileException& e) {
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logE("premature end of file!");
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lastError="incomplete file";
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