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- Add DMXGUS parsing, thanks to Gez.
SVN r3494 (trunk)
This commit is contained in:
Randy Heit
parent
cfb9329c7f
commit
89790ac313
3 changed files with 149 additions and 1 deletions
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@ -30,10 +30,14 @@
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#include "c_dispatch.h"
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#include "i_system.h"
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#include "files.h"
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#include "w_wad.h"
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CVAR(String, midi_config, CONFIG_FILE, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
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CVAR(Int, midi_voices, 32, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
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CVAR(Bool, midi_timiditylike, false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
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CVAR(String, gus_patchdir, "", CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
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CVAR(Bool, midi_dmxgus, true, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
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CVAR(Int, gus_memsize, 0, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
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namespace Timidity
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{
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@ -551,7 +555,135 @@ int LoadConfig(const char *filename)
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int LoadConfig()
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{
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if (midi_dmxgus)
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{
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return LoadDMXGUS();
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}
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else
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{
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return LoadConfig(midi_config);
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}
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}
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int LoadDMXGUS()
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{
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int lump = Wads.CheckNumForName("DMXGUS");
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if (lump == -1) lump = Wads.CheckNumForName("DMXGUSC");
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if (lump == -1) return LoadConfig(midi_config);
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FWadLump data = Wads.OpenLumpNum(lump);
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if (data.GetLength() == 0) return LoadConfig(midi_config);
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// The GUS put its patches in %ULTRADIR%/MIDI so we can try that
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FString ultradir = getenv("ULTRADIR");
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if (ultradir.IsNotEmpty())
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{
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ultradir += "/midi";
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add_to_pathlist(ultradir.GetChars());
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}
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// Load DMXGUS lump and patches from gus_patchdir
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add_to_pathlist(gus_patchdir);
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char readbuffer[1024];
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long size = data.GetLength();
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long read = 0;
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BYTE remap[256];
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FString patches[256];
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memset(remap, 255, sizeof(remap));
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char temp[16];
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int current = -1;
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int status = -1;
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int gusbank = (gus_memsize >= 1 && gus_memsize <= 4) ? gus_memsize : -1;
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data.Seek(0, SEEK_SET);
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while (data.Gets(readbuffer, 1024) && read < size)
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{
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int i = 0;
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while (readbuffer[i] != 0 && i < 1024)
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{
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// Don't try to parse comments
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if (readbuffer[i] == '#') break;
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// Actively ignore spaces
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else if (readbuffer[i] == ' ') {}
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// Comma separate values
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else if (status >= 0 && status <= 4 && readbuffer[i] == ',')
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{
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if (++status == gusbank)
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{
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remap[current] = 0;
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}
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}
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// Status -1: outside of a line
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// Status 0: reading patch value
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else if (status == -1 && readbuffer[i] >= '0' && readbuffer[i] <= '9')
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{
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current = readbuffer[i] - '0';
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status = 0;
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}
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else if (status == 0 && readbuffer[i] >= '0' && readbuffer[i] <= '9')
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{
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current *= 10;
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current += readbuffer[i] - '0';
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}
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// Status 1 through 4: remaps (256K, 512K, 768K, and 1024K resp.)
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else if (status == gusbank && readbuffer[i] >= '0' && readbuffer[i] <= '9')
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{
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remap[current] *= 10;
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remap[current] += readbuffer[i] - '0';
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}
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// Status 5: parsing patch name
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else if (status == 5 && i < 1015)
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{
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memcpy(temp, readbuffer + i, 8);
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for (int j = 0; j < 8; ++j)
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{
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if (temp[j] < 33)
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{
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temp[j] = 0;
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break;
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}
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}
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temp[8] = 0;
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patches[current] = temp;
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// Prepare to parse next line
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status = -1;
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break;
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}
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++i;
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}
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read += i;
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if (i == 0) continue;
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readbuffer[i-1] = 0;
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}
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if (tonebank[0] == NULL)
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{
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tonebank[0] = new ToneBank;
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drumset[0] = new ToneBank;
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}
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// From 0 to 127: tonebank[0]; from 128 to 255: drumset[0].
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ToneBank *bank = tonebank[0];
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for (int k = 0; k < 256; ++k)
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{
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int j = (gusbank > 0) ? remap[k] : k;
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if (k == 128) bank = drumset[0];
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// No need to bother with things that don't exist
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if (patches[j].IsEmpty())
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continue;
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int val = k % 128;
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bank->tone[val].note = bank->tone[val].amp = bank->tone[val].pan =
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bank->tone[val].fontbank = bank->tone[val].fontpreset =
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bank->tone[val].fontnote = bank->tone[val].strip_loop =
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bank->tone[val].strip_envelope = bank->tone[val].strip_tail = -1;
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bank->tone[val].name = patches[j];
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}
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return 0;
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}
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Renderer::Renderer(float sample_rate)
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@ -623,6 +623,7 @@ timidity.h
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*/
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struct DLS_Data;
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int LoadConfig(const char *filename);
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int LoadDMXGUS();
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extern int LoadConfig();
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extern void FreeAll();
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@ -1364,6 +1364,15 @@ OptionMenu SoundOptions
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*
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*=======================================*/
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OptionValue GusMemory
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{
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0, "Unlimited"
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1, "256K"
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2, "512K"
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3, "768K"
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4, "1024K"
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}
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OptionMenu AdvSoundOptions
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{
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Title "ADVANCED SOUND OPTIONS"
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@ -1373,6 +1382,12 @@ OptionMenu AdvSoundOptions
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StaticText " "
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StaticText "OPL Synthesis", 1
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Option "Only emulate one OPL chip", "opl_onechip", "OnOff"
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StaticText " "
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StaticText "GUS Emulation", 1
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Slider "MIDI voices", "midi_voices", 16, 256, 4, 0
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Option "Emulate TiMidity", "midi_timiditylike", "OnOff"
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Option "Read DMXGUS lumps", "midi_dmxgus", "OnOff"
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Option "GUS memory size", "gus_memsize", "GusMemory"
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}
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/*=======================================
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