jepler/fruitjam-doom
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

music: DMX's "GUS instrument mappings bug" emulation

Browse source
This commit is contained in:
nukeykt 2016-05-03 22:42:30 +09:00
parent 0fd26e606c
commit bd0a63d92b
1 changed files with 33 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

38
src/gusconf.c
View file

@ -35,7 +35,9 @@
typedef struct
{
char *patch_names[MAX_INSTRUMENTS];
int used[MAX_INSTRUMENTS];
int mapping[MAX_INSTRUMENTS];
unsigned int count;
} gus_config_t;
char *gus_patch_path = "";
@ -109,6 +111,7 @@ static int SplitLine(char *line, char **fields, unsigned int max_fields)
static void ParseLine(gus_config_t *config, char *line)
{
char *fields[6];
unsigned int i;
unsigned int num_fields;
unsigned int instr_id, mapped_id;
@ -120,11 +123,33 @@ static void ParseLine(gus_config_t *config, char *line)
}
instr_id = atoi(fields[0]);
// Skip non GM percussions.
if ((instr_id >= 128 && instr_id < 128 + 35) || instr_id > 128 + 81)
{
return;
}
mapped_id = atoi(fields[MappingIndex()]);
free(config->patch_names[instr_id]);
config->patch_names[instr_id] = M_StringDuplicate(fields[5]);
config->mapping[instr_id] = mapped_id;
for (i = 0; i < config->count; i++)
{
if (config->used[i] == mapped_id)
{
break;
}
}
if (i == config->count)
{
// DMX uses wrong patch name (we should use name of 'mapped_id'
// instrument, but DMX uses name of 'instr_id' instead).
free(config->patch_names[i]);
config->patch_names[i] = M_StringDuplicate(fields[5]);
config->used[i] = mapped_id;
config->count++;
}
config->mapping[instr_id] = i;
}
static void ParseDMXConfig(char *dmxconf, gus_config_t *config)
@ -137,8 +162,11 @@ static void ParseDMXConfig(char *dmxconf, gus_config_t *config)
for (i = 0; i < MAX_INSTRUMENTS; ++i)
{
config->mapping[i] = -1;
config->used[i] = -1;
}
config->count = 0;
p = dmxconf;
for (;;)
@ -225,8 +253,8 @@ static boolean WriteTimidityConfig(char *path, gus_config_t *config)
}
fprintf(fstream, "\ndrumset 0\n\n");
for (i = 128 + 25; i < MAX_INSTRUMENTS; ++i)
for (i = 128 + 35; i <= 128 + 81; ++i)
{
if (config->mapping[i] >= 0 && config->mapping[i] < MAX_INSTRUMENTS
&& config->patch_names[config->mapping[i]] != NULL)