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Libretro: Add Solar Sensor

This commit is contained in:
U-DESKTOP-UVBJEGH\Cloud 2018-06-11 16:46:17 +08:00
parent 037e3771b1
commit 2c46522e59
1 changed files with 99 additions and 23 deletions
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122
src/libretro/libretro.cpp
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@ -65,9 +65,6 @@ int systemFrameSkip = 0;
int systemSaveUpdateCounter = SYSTEM_SAVE_NOT_UPDATED;
int systemSpeed = 0;
//uint64_t startTime = 0;
//uint32_t renderedFrames = 0;
void (*dbgOutput)(const char* s, uint32_t addr);
void (*dbgSignal)(int sig, int number);
@ -75,10 +72,10 @@ void* retro_get_memory_data(unsigned id)
{
if (id == RETRO_MEMORY_SAVE_RAM)
return libretro_save_buf;
if (id == RETRO_MEMORY_SYSTEM_RAM)
return workRAM;
if (id == RETRO_MEMORY_VIDEO_RAM)
return vram;
if (id == RETRO_MEMORY_SYSTEM_RAM)
return workRAM;
if (id == RETRO_MEMORY_VIDEO_RAM)
return vram;
return NULL;
}
@ -87,10 +84,10 @@ size_t retro_get_memory_size(unsigned id)
{
if (id == RETRO_MEMORY_SAVE_RAM)
return libretro_save_size;
if (id == RETRO_MEMORY_SYSTEM_RAM)
return 0x40000;
if (id == RETRO_MEMORY_VIDEO_RAM)
return 0x20000;
if (id == RETRO_MEMORY_SYSTEM_RAM)
return 0x40000;
if (id == RETRO_MEMORY_VIDEO_RAM)
return 0x20000;
return 0;
}
@ -164,6 +161,8 @@ void retro_set_input_state(retro_input_state_t cb)
void retro_set_controller_port_device(unsigned port, unsigned device)
{
if (port > 0) return; // GBA Only supports 1 controller
log_cb(RETRO_LOG_INFO, "Controller %d'\n", device);
switch (device) {
@ -189,6 +188,7 @@ void retro_set_environment(retro_environment_t cb)
environ_cb = cb;
struct retro_variable variables[] = {
{ "vbam_solarsensor", "Solar Sensor Level; 0|1|2|3|4|5|6|7|8|9|10" },
{ "vbam_usebios", "Use BIOS file (Restart); disabled|enabled" },
{ "vbam_layer_1", "Show layer 1; enabled|disabled" },
{ "vbam_layer_2", "Show layer 2; enabled|disabled" },
@ -205,12 +205,11 @@ void retro_set_environment(retro_environment_t cb)
{ "GBA Joypad", RETRO_DEVICE_GBA },
{ "Alt Joypad YB", RETRO_DEVICE_GBA_ALT1 },
{ "Alt Joypad AB", RETRO_DEVICE_GBA_ALT2 },
{ NULL, 0 },
};
static const struct retro_controller_info ports[] = {{ port_1, 3 },{ NULL,0 }};
cb(RETRO_ENVIRONMENT_SET_VARIABLES, variables);
cb(RETRO_ENVIRONMENT_SET_CONTROLLER_INFO, (void*)ports);
}
@ -543,7 +542,11 @@ static const unsigned binds2[] = {
RETRO_DEVICE_ID_JOYPAD_L
};
static void systemUpdateSolarSensor(int level);
static unsigned has_frame;
static uint8_t sensorDarkness = 0xE8;
static uint8_t sensorDarknessLevel = 0; // so we can adjust sensor from gamepad
static void update_variables(void)
{
@ -575,6 +578,15 @@ static void update_variables(void)
bool newval = (strcmp(var.value, "enabled") == 0);
usebios = newval;
}
var.key = "vbam_solarsensor";
var.value = NULL;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value)
{
sensorDarknessLevel = atoi(var.value);
systemUpdateSolarSensor(sensorDarknessLevel);
}
}
#ifdef FINAL_VERSION
@ -586,11 +598,37 @@ static void update_variables(void)
void retro_run(void)
{
bool updated = false;
static bool buttonpressed = false;
if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE_UPDATE, &updated) && updated)
update_variables();
poll_cb();
// Update solar sensor level by gamepad buttons, default L2/R2
if (buttonpressed)
{
buttonpressed = input_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2) ||
input_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2);
}
else
{
if (input_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2))
{
sensorDarknessLevel++;
if (sensorDarknessLevel > 10)
sensorDarknessLevel = 10;
systemUpdateSolarSensor(sensorDarknessLevel);
buttonpressed = true;
}
else if (input_cb(0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2))
{
if (sensorDarknessLevel)
sensorDarknessLevel--;
systemUpdateSolarSensor(sensorDarknessLevel);
buttonpressed = true;
}
} // end of solar sensor update
has_frame = 0;
do {
@ -724,6 +762,8 @@ bool retro_load_game(const struct retro_game_info *game)
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R, "R" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_SELECT, "Select" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_START, "Start" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_L2, "Solar Sensor (Darker)" },
{ 0, RETRO_DEVICE_JOYPAD, 0, RETRO_DEVICE_ID_JOYPAD_R2, "Solar Sensor (Lighter)" },
{ 0 },
};
@ -765,10 +805,11 @@ bool retro_load_game(const struct retro_game_info *game)
}
bool retro_load_game_special(
unsigned game_type,
const struct retro_game_info *info, size_t num_info
)
{ return false; }
unsigned game_type,
const struct retro_game_info *info, size_t num_info)
{
return false;
}
extern unsigned g_audio_frames;
static unsigned g_video_frames;
@ -791,8 +832,15 @@ void systemOnWriteDataToSoundBuffer(const uint16_t* finalWave, int length)
{
}
void systemOnSoundShutdown() {}
bool systemCanChangeSoundQuality() { return true; }
void systemOnSoundShutdown()
{
}
bool systemCanChangeSoundQuality()
{
return true;
}
#ifdef FRONTEND_SUPPORTS_RGB565
#define BPP 2
@ -869,11 +917,40 @@ uint32_t systemReadJoypad(int which)
return J;
}
bool systemReadJoypads() { return true; }
static void systemUpdateSolarSensor(int v)
{
int value = 0;
switch (v)
{
case 1: value = 0x06; break;
case 2: value = 0x0E; break;
case 3: value = 0x18; break;
case 4: value = 0x20; break;
case 5: value = 0x28; break;
case 6: value = 0x38; break;
case 7: value = 0x48; break;
case 8: value = 0x60; break;
case 9: value = 0x78; break;
case 10: value = 0x98; break;
default: break;
}
void systemUpdateMotionSensor() {}
sensorDarkness = 0xE8 - value;
}
uint8_t systemGetSensorDarkness() { return 0; }
bool systemReadJoypads()
{
return true;
}
void systemUpdateMotionSensor()
{
}
uint8_t systemGetSensorDarkness()
{
return sensorDarkness;
}
void systemCartridgeRumble(bool)
{
@ -900,6 +977,5 @@ uint32_t systemGetClock()
SoundDriver* systemSoundInit()
{
soundShutdown();
return new SoundRetro();
}