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Libretro: Add GB palette setting

This commit is contained in:
Vicki Pfau 2021-05-28 18:42:21 -07:00
parent a507276e25
commit 31fd8c2705
2 changed files with 72 additions and 8 deletions
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69
src/platform/libretro/libretro.c
View File

@ -17,6 +17,7 @@
#include <mgba/gb/core.h> #include <mgba/gb/core.h>
#include <mgba/internal/gb/gb.h> #include <mgba/internal/gb/gb.h>
#include <mgba/internal/gb/mbc.h> #include <mgba/internal/gb/mbc.h>
#include <mgba/internal/gb/overrides.h>
#endif #endif
#ifdef M_CORE_GBA #ifdef M_CORE_GBA
#include <mgba/gba/core.h> #include <mgba/gba/core.h>
@ -146,6 +147,38 @@ static void _initRumble(void) {
rumbleInitDone = true; rumbleInitDone = true;
} }
#ifdef M_CORE_GB
static void _updateGbPal(void) {
struct retro_variable var;
var.key = "mgba_gb_colors";
var.value = 0;
if (environCallback(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
const struct GBColorPreset* presets;
size_t listSize = GBColorPresetList(&presets);
size_t i;
for (i = 0; i < listSize; ++i) {
if (strcmp(presets[i].name, var.value) != 0) {
continue;
}
mCoreConfigSetUIntValue(&core->config, "gb.pal[0]", presets[i].colors[0] & 0xFFFFFF);
mCoreConfigSetUIntValue(&core->config, "gb.pal[1]", presets[i].colors[1] & 0xFFFFFF);
mCoreConfigSetUIntValue(&core->config, "gb.pal[2]", presets[i].colors[2] & 0xFFFFFF);
mCoreConfigSetUIntValue(&core->config, "gb.pal[3]", presets[i].colors[3] & 0xFFFFFF);
mCoreConfigSetUIntValue(&core->config, "gb.pal[4]", presets[i].colors[4] & 0xFFFFFF);
mCoreConfigSetUIntValue(&core->config, "gb.pal[5]", presets[i].colors[5] & 0xFFFFFF);
mCoreConfigSetUIntValue(&core->config, "gb.pal[6]", presets[i].colors[6] & 0xFFFFFF);
mCoreConfigSetUIntValue(&core->config, "gb.pal[7]", presets[i].colors[7] & 0xFFFFFF);
mCoreConfigSetUIntValue(&core->config, "gb.pal[8]", presets[i].colors[8] & 0xFFFFFF);
mCoreConfigSetUIntValue(&core->config, "gb.pal[9]", presets[i].colors[9] & 0xFFFFFF);
mCoreConfigSetUIntValue(&core->config, "gb.pal[10]", presets[i].colors[10] & 0xFFFFFF);
mCoreConfigSetUIntValue(&core->config, "gb.pal[11]", presets[i].colors[11] & 0xFFFFFF);
core->reloadConfigOption(core, "gb.pal", NULL);
break;
}
}
}
#endif
static void _reloadSettings(void) { static void _reloadSettings(void) {
struct mCoreOptions opts = { struct mCoreOptions opts = {
.useBios = true, .useBios = true,
@ -177,6 +210,14 @@ static void _reloadSettings(void) {
mCoreConfigSetDefaultValue(&core->config, "sgb.model", modelName); mCoreConfigSetDefaultValue(&core->config, "sgb.model", modelName);
mCoreConfigSetDefaultValue(&core->config, "cgb.model", modelName); mCoreConfigSetDefaultValue(&core->config, "cgb.model", modelName);
} }
var.key = "mgba_sgb_borders";
var.value = 0;
if (environCallback(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
mCoreConfigSetDefaultIntValue(&core->config, "sgb.borders", strcmp(var.value, "ON") == 0);
}
_updateGbPal();
#endif #endif
var.key = "mgba_use_bios"; var.key = "mgba_use_bios";
@ -191,14 +232,6 @@ static void _reloadSettings(void) {
opts.skipBios = strcmp(var.value, "ON") == 0; opts.skipBios = strcmp(var.value, "ON") == 0;
} }
#ifdef M_CORE_GB
var.key = "mgba_sgb_borders";
var.value = 0;
if (environCallback(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
mCoreConfigSetDefaultIntValue(&core->config, "sgb.borders", strcmp(var.value, "ON") == 0);
}
#endif
var.key = "mgba_frameskip"; var.key = "mgba_frameskip";
var.value = 0; var.value = 0;
if (environCallback(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) { if (environCallback(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
@ -248,6 +281,22 @@ unsigned retro_api_version(void) {
void retro_set_environment(retro_environment_t env) { void retro_set_environment(retro_environment_t env) {
environCallback = env; environCallback = env;
#ifdef M_CORE_GB
const struct GBColorPreset* presets;
size_t listSize = GBColorPresetList(&presets);
size_t colorOpt;
for (colorOpt = 0; option_defs_us[colorOpt].key; ++colorOpt) {
if (strcmp(option_defs_us[colorOpt].key, "mgba_gb_colors") == 0) {
break;
}
}
size_t i;
for (i = 0; i < listSize && i < RETRO_NUM_CORE_OPTION_VALUES_MAX; ++i) {
option_defs_us[colorOpt].values[i].value = presets[i].name;
}
#endif
libretro_set_core_options(environCallback); libretro_set_core_options(environCallback);
} }
@ -428,6 +477,10 @@ void retro_run(void) {
mCoreConfigSetIntValue(&core->config, "frameskip", strtol(var.value, NULL, 10)); mCoreConfigSetIntValue(&core->config, "frameskip", strtol(var.value, NULL, 10));
core->reloadConfigOption(core, "frameskip", NULL); core->reloadConfigOption(core, "frameskip", NULL);
} }
#ifdef M_CORE_GB
_updateGbPal();
#endif
} }
keys = 0; keys = 0;

11
src/platform/libretro/libretro_core_options.h
View File

@ -186,6 +186,17 @@ struct retro_core_option_definition option_defs_us[] = {
}, },
"OFF" "OFF"
}, },
{
"mgba_gb_colors",
"Set default Game Boy palette",
"Selects which palette is used for Game Boy games that are not Game Boy Color or Super Game Boy compatible, or if the model is forced to Game Boy.",
{
// This list is populated at runtime
{ "Grayscale", NULL },
{ NULL, NULL },
},
"Grayscale"
},
{ NULL, NULL, NULL, {{0}}, NULL }, { NULL, NULL, NULL, {{0}}, NULL },
}; };