add bBurnGunPositionalMode (fbneo.ini), to put lightgun in Positional Mode

src/burn/burn_gun.cpp

@@ -12,6 +12,8 @@ bool bBurnGunAutoHide = 1;
 static bool bBurnGunDrawTargets = true; // game-configured
 bool bBurnGunDrawReticles = true; // UI-configured
 
+bool bBurnGunPositionalMode = false;
+
 static INT32 Using_Trackball = 0;
 
 static INT32 nBurnGunMaxX = 0;
@@ -539,6 +541,19 @@ void BurnGunMakeInputs(INT32 num, INT16 x, INT16 y)
 
 	if (bBurnRunAheadFrame) return; // remove jitter w/runahead
 
+	if (bBurnGunPositionalMode) {
+		x = ProcessAnalog(x, 0, INPUT_DEADZONE, 0x00, 0xff);
+		y = ProcessAnalog(y, 0, INPUT_DEADZONE, 0x00, 0xff);
+
+		BurnGunX[num] = ((x * nBurnGunMaxX / 0xff) - 8) << 8;
+		BurnGunY[num] = ((y * nBurnGunMaxY / 0xff) - 8) << 8;
+
+		for (INT32 i = 0; i < nBurnGunNumPlayers; i++)
+			GunTargetUpdate(i);
+
+		return;
+	}
+
 	if (y == 1 || y == -1) y = 0;
 	if (x == 1 || x == -1) x = 0; // prevent walking crosshair
 

src/burner/win32/cona.cpp

@@ -7,6 +7,8 @@
 
 int nIniVersion = 0;
 
+extern bool bBurnGunPositionalMode;
+
 struct VidPresetData VidPreset[4] = {
 	{ 640, 480},
 	{ 1024, 768},
@@ -270,6 +272,7 @@ int ConfigAppLoad()
 		VAR(bBurnUseBlend);
 		VAR(BurnShiftEnabled);
 		VAR(bBurnGunDrawReticles);
+		VAR(bBurnGunPositionalMode);
 		VAR(bSkipStartupCheck);
 
 		VAR(nSlowMo);
@@ -709,6 +712,9 @@ int ConfigAppSave()
 	_ftprintf(h, _T("\n// If non-zero, enable lightgun reticle display support.\n"));
 	VAR(bBurnGunDrawReticles);
 
+	_ftprintf(h, _T("\n// If non-zero, enable lightgun positional mode (Sinden or real lightgun HW).\n"));
+	VAR(bBurnGunPositionalMode);
+
 	_ftprintf(h, _T("\n// If non-zero, DISABLE start-up rom scan (if needed).\n"));
 	VAR(bSkipStartupCheck);