Expand usable space for GunCon

Expand range of allowed coordinates so that the whole game screen can be used when the coordinates are manually scaled via the core options.

diff --git a/frontend/libretro.c b/frontend/libretro.c
index 3e74b23..8434de0 100644 (file)
--- a/frontend/libretro.c
+++ b/frontend/libretro.c
@@ -2421,17 +2421,19 @@ static void update_input_guncon(int port, int ret)
    //Mouse range is -32767 -> 32767
    //1% is about 655
    //Use the left analog stick field to store the absolute coordinates
-   //Fix cursor to top-left when gun is detected as "offscreen"
+
+   int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
+   int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
+
+   //Have the Libretro API let /libpcsxcore/plugins.c know when the lightgun is pointed offscreen
+   //Offscreen value is chosen to be well out of range of any possible scaling done via core options
    if (input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_IS_OFFSCREEN) || input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_RELOAD))
    {
-      in_analog_left[port][0] = -32767;
-      in_analog_left[port][1] = -32767;
+      in_analog_left[port][0] = (65536 - 512) * 64;
+      in_analog_left[port][1] = (65536 - 512) * 64;
    }
    else
    {
-      int gunx = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_X);
-      int guny = input_state_cb(port, RETRO_DEVICE_LIGHTGUN, 0, RETRO_DEVICE_ID_LIGHTGUN_SCREEN_Y);
-          
       in_analog_left[port][0] = (gunx * GunconAdjustRatioX) + (GunconAdjustX * 655);
       in_analog_left[port][1] = (guny * GunconAdjustRatioY) + (GunconAdjustY * 655);
    }

diff --git a/libpcsxcore/plugins.c b/libpcsxcore/plugins.c
index b143923..13ab297 100644 (file)
--- a/libpcsxcore/plugins.c
+++ b/libpcsxcore/plugins.c
@@ -664,28 +664,17 @@ void _PADstartPoll(PadDataS *pad) {
                        int absX = (pad->absoluteX / 64) + 512;
                        int absY = (pad->absoluteY / 64) + 512;
 
-                       //Keep within limits
-                       if (absX > 1023) absX = 1023;
-                       if (absX < 0) absX = 0;
-                       if (absY > 1023) absY = 1023;
-                       if (absY < 0) absY = 0;
-
-                       stdpar[4] = 0x5a - (xres - 256) / 3 + (((xres - 256) / 3 + 356) * absX >> 10);
-                       stdpar[5] = (0x5a - (xres - 256) / 3 + (((xres - 256) / 3 + 356) * absX >> 10)) >> 8;
-                       stdpar[6] = 0x20 + (yres * absY >> 10);
-                       stdpar[7] = (0x20 + (yres * absY >> 10)) >> 8;
-
-                       //Offscreen - Point at the side of the screen so PSX thinks you are pointing offscreen
-                       //Required as a mouse can't be offscreen
-                       //Coordinates X=0001h, Y=000Ah indicates "no light"
-                       //This will mean you cannot shoot the very each of the screen
-                       //ToDo read offscreen range from settings if useful to change
-                       int OffscreenRange = 2;
-                       if (absX < (OffscreenRange) || absX > (1023 - OffscreenRange) || absY < (OffscreenRange) || absY > (1023 - OffscreenRange)) {
-                               stdpar[4] = 0x01;
-                               stdpar[5] = 0x00;
-                               stdpar[6] = 0x0A;
-                               stdpar[7] = 0x00;
+                       if (absX == 65536 || absY == 65536) {
+                          stdpar[4] = 0x01;
+                          stdpar[5] = 0x00;
+                          stdpar[6] = 0x0A;
+                          stdpar[7] = 0x00;
+                       }
+                       else {
+                          stdpar[4] = 0x5a - (xres - 256) / 3 + (((xres - 256) / 3 + 356) * absX >> 10);
+                          stdpar[5] = (0x5a - (xres - 256) / 3 + (((xres - 256) / 3 + 356) * absX >> 10)) >> 8;
+                          stdpar[6] = 0x20 + (yres * absY >> 10);
+                          stdpar[7] = (0x20 + (yres * absY >> 10)) >> 8;
                        }
 
                        memcpy(buf, stdpar, 8);