enabled scph-1110 analog joystick in the menu
[pcsx_rearmed.git] / frontend / libretro.c
index a88b40b..7fa63cb 100644 (file)
@@ -463,14 +463,15 @@ void retro_set_environment(retro_environment_t cb)
    static const struct retro_variable vars[] = {
       { "pcsx_rearmed_frameskip", "Frameskip; 0|1|2|3" },
       { "pcsx_rearmed_region", "Region; auto|NTSC|PAL" },
-      { "pcsx_rearmed_pad1type", "Pad 1 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_pad2type", "Pad 2 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_pad3type", "Pad 3 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_pad4type", "Pad 4 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_pad5type", "Pad 5 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_pad6type", "Pad 6 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_pad7type", "Pad 7 Type; default|none|standard|analog|negcon" },
-      { "pcsx_rearmed_pad8type", "Pad 8 Type; default|none|standard|analog|negcon" },
+      { "pcsx_rearmed_memcard2", "Enable second memory card; disabled|enabled" },
+      { "pcsx_rearmed_pad1type", "Pad 1 Type; default|none|standard|analog|dualshock|negcon" },
+      { "pcsx_rearmed_pad2type", "Pad 2 Type; default|none|standard|analog|dualshock|negcon" },
+      { "pcsx_rearmed_pad3type", "Pad 3 Type; default|none|standard|analog|dualshock|negcon" },
+      { "pcsx_rearmed_pad4type", "Pad 4 Type; default|none|standard|analog|dualshock|negcon" },
+      { "pcsx_rearmed_pad5type", "Pad 5 Type; default|none|standard|analog|dualshock|negcon" },
+      { "pcsx_rearmed_pad6type", "Pad 6 Type; default|none|standard|analog|dualshock|negcon" },
+      { "pcsx_rearmed_pad7type", "Pad 7 Type; default|none|standard|analog|dualshock|negcon" },
+      { "pcsx_rearmed_pad8type", "Pad 8 Type; default|none|standard|analog|dualshock|negcon" },
       { "pcsx_rearmed_multitap1", "Multitap 1; auto|disabled|enabled" },
       { "pcsx_rearmed_multitap2", "Multitap 2; auto|disabled|enabled" },
       { "pcsx_rearmed_negcon_deadzone", "NegCon Twist Deadzone (percent); 0|5|10|15|20|25|30" },
@@ -564,6 +565,8 @@ static void update_controller_port_variable(unsigned port)
                if (strcmp(var.value, "standard") == 0)
                        in_type[port] = PSE_PAD_TYPE_STANDARD;
                else if (strcmp(var.value, "analog") == 0)
+                       in_type[port] = PSE_PAD_TYPE_ANALOGJOY;
+               else if (strcmp(var.value, "dualshock") == 0)
                        in_type[port] = PSE_PAD_TYPE_ANALOGPAD;
                else if (strcmp(var.value, "negcon") == 0)
                        in_type[port] = PSE_PAD_TYPE_NEGCON;
@@ -1629,7 +1632,10 @@ void retro_run(void)
        // reset all keystate, query libretro for keystate
        int j;
        int lsx;
+       int rsy;
        float negcon_twist_amplitude;
+       int negcon_i_rs;
+       int negcon_ii_rs;
        for(i = 0; i < PORTS_NUMBER; i++) {
                in_keystate[i] = 0;
 
@@ -1705,15 +1711,48 @@ void retro_run(void)
                        }
                        // >> Convert to final 'in_analog' integer value [0,255]
                        in_analog_right[i][0] = MAX(MIN((int)(negcon_twist_amplitude * 128.0f) + 128, 255), 0);
-                       // > NeGcon I
+                       // > NeGcon I + II
+                       // >> Handle right analog stick vertical axis mapping...
+                       //    - Up (-Y) == accelerate == neGcon I
+                       //    - Down (+Y) == brake == neGcon II
+                       negcon_i_rs = 0;
+                       negcon_ii_rs = 0;
+                       rsy = input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_RIGHT, RETRO_DEVICE_ID_ANALOG_Y);
+                       if (rsy >= 0){
+                               // Account for deadzone
+                               // (Note: have never encountered a gamepad with significant differences
+                               // in deadzone between left/right analog sticks, so use the regular 'twist'
+                               // deadzone here)
+                               if (rsy > negcon_deadzone){
+                                       rsy = rsy - negcon_deadzone;
+                               } else {
+                                       rsy = 0;
+                               }
+                               // Convert to 'in_analog' integer value [0,255]
+                               negcon_ii_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
+                       } else {
+                               if (rsy < -negcon_deadzone){
+                                       rsy = -1 * (rsy + negcon_deadzone);
+                               } else {
+                                       rsy = 0;
+                               }
+                               negcon_i_rs = MIN((int)(((float)rsy / (float)(NEGCON_RANGE - negcon_deadzone)) * 255.0f), 255);
+                       }
+                       // >> NeGcon I
                        in_analog_right[i][1] = MAX(
-                               get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_R2),
-                               get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_B)
+                               MAX(
+                                       get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_R2),
+                                       get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_B)
+                               ),
+                               negcon_i_rs
                        );
-                       // > NeGcon II
+                       // >> NeGcon II
                        in_analog_left[i][0] = MAX(
-                               get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L2),
-                               get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_Y)
+                               MAX(
+                                       get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L2),
+                                       get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_Y)
+                               ),
+                               negcon_ii_rs
                        );
                        // > NeGcon L
                        in_analog_left[i][1] = get_analog_button(input_state_cb, i, RETRO_DEVICE_ID_JOYPAD_L);
@@ -1727,7 +1766,7 @@ void retro_run(void)
                                }
                        }
                        // Query analog inputs
-                       if (in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
+                       if (in_type[i] == PSE_PAD_TYPE_ANALOGJOY || in_type[i] == PSE_PAD_TYPE_ANALOGPAD)
                        {
                                in_analog_left[i][0] = MIN((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_X) / 255) + 128, 255);
                                in_analog_left[i][1] = MIN((input_state_cb(i, RETRO_DEVICE_ANALOG, RETRO_DEVICE_INDEX_ANALOG_LEFT, RETRO_DEVICE_ID_ANALOG_Y) / 255) + 128, 255);
@@ -1807,6 +1846,41 @@ static void check_system_specs(void)
    environ_cb(RETRO_ENVIRONMENT_SET_PERFORMANCE_LEVEL, &level);
 }
 
+static int init_memcards(void)
+{
+       int ret = 0;
+       const char *dir;
+       struct retro_variable var = { .key="pcsx_rearmed_memcard2", .value=NULL };
+       static const char CARD2_FILE[] = "pcsx-card2.mcd";
+
+       McdDisable[0] = 0;
+       // Disable memcard 2 by default
+       McdDisable[1] = 1;
+       init_memcard(Mcd1Data);
+       // Memcard 2 is managed by the emulator on the filesystem,
+       // There is no need to initialize Mcd2Data like Mcd1Data.
+
+       if (environ_cb(RETRO_ENVIRONMENT_GET_VARIABLE, &var) && var.value) {
+               SysPrintf("Memcard 2: %s\n", var.value);
+               if (memcmp(var.value, "enabled", 7) == 0) {
+                       if (environ_cb(RETRO_ENVIRONMENT_GET_SAVE_DIRECTORY, &dir) && dir) {
+                               if (strlen(dir) + strlen(CARD2_FILE) + 2 > sizeof(Config.Mcd2)) {
+                                       SysPrintf("Path '%s' is too long. Cannot use memcard 2. Use a shorter path.\n", dir);
+                                       ret = -1;
+                               } else {
+                                       McdDisable[1] = 0;
+                                       snprintf(Config.Mcd2, sizeof(Config.Mcd2), "%s/%s", dir, CARD2_FILE);
+                                       SysPrintf("Use memcard 2: %s\n", Config.Mcd2);
+                               }
+                       } else {
+                               SysPrintf("Could not get save directory! Could not create memcard 2.");
+                               ret = -1;
+                       }
+               }
+       }
+       return ret;
+}
+
 void retro_init(void)
 {
        const char *bios[] = {
@@ -1840,6 +1914,7 @@ void retro_init(void)
    if(!__ctr_svchax)
       Config.Cpu = CPU_INTERPRETER;
 #endif
+       ret |= init_memcards();
 
        ret |= emu_core_init();
        if (ret != 0) {
@@ -1899,11 +1974,6 @@ void retro_init(void)
        pl_rearmed_cbs.gpu_peops.iUseDither = 1;
        spu_config.iUseFixedUpdates = 1;
 
-       McdDisable[0] = 0;
-       McdDisable[1] = 1;
-       init_memcard(Mcd1Data);
-   init_memcard(Mcd2Data);
-
        SaveFuncs.open = save_open;
        SaveFuncs.read = save_read;
        SaveFuncs.write = save_write;