From e988a7487c8e0124e1d8c04008a743028dd9c6c9 Mon Sep 17 00:00:00 2001
From: ayuanx <ayuanx@gmail.com>
Date: Tue, 26 Jan 2010 05:43:00 +0000
Subject: [PATCH] Adapts emulated trigger range to Gamecube trigger range

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4963 8ced0084-cf51-0410-be5f-012b33b47a6e
---
 Source/Plugins/Plugin_GCPad/Src/GCPad.cpp | 14 ++++++++++++++
 Source/Plugins/Plugin_GCPad/Src/GCPad.h   |  1 +
 2 files changed, 15 insertions(+)

diff --git a/Source/Plugins/Plugin_GCPad/Src/GCPad.cpp b/Source/Plugins/Plugin_GCPad/Src/GCPad.cpp
index 21146d1837..bf417abf5b 100644
--- a/Source/Plugins/Plugin_GCPad/Src/GCPad.cpp
+++ b/Source/Plugins/Plugin_GCPad/Src/GCPad.cpp
@@ -364,6 +364,7 @@ void PAD_GetStatus(u8 _numPAD, SPADStatus* _pPADStatus)
 	{
 		_pPADStatus->triggerLeft = GCMapping[_numPAD].AxisState.Lx;
 		_pPADStatus->triggerRight = GCMapping[_numPAD].AxisState.Ly;
+		EmulateAnalogTrigger(_pPADStatus->triggerLeft, _pPADStatus->triggerRight);
 		if (_pPADStatus->triggerLeft > DEF_TRIGGER_THRESHOLD)
 			_pPADStatus->button |= PAD_TRIGGER_L;
 		if (_pPADStatus->triggerRight > DEF_TRIGGER_THRESHOLD)
@@ -373,6 +374,7 @@ void PAD_GetStatus(u8 _numPAD, SPADStatus* _pPADStatus)
 	{
 		_pPADStatus->triggerLeft = GCMapping[_numPAD].AxisState.Rx;
 		_pPADStatus->triggerRight = GCMapping[_numPAD].AxisState.Ry;
+		EmulateAnalogTrigger(_pPADStatus->triggerLeft, _pPADStatus->triggerRight);
 		if (_pPADStatus->triggerLeft > DEF_TRIGGER_THRESHOLD)
 			_pPADStatus->button |= PAD_TRIGGER_L;
 		if (_pPADStatus->triggerRight > DEF_TRIGGER_THRESHOLD)
@@ -382,6 +384,7 @@ void PAD_GetStatus(u8 _numPAD, SPADStatus* _pPADStatus)
 	{
 		_pPADStatus->triggerLeft = GCMapping[_numPAD].AxisState.Tl;
 		_pPADStatus->triggerRight = GCMapping[_numPAD].AxisState.Tr;
+		EmulateAnalogTrigger(_pPADStatus->triggerLeft, _pPADStatus->triggerRight);
 		if (_pPADStatus->triggerLeft > DEF_TRIGGER_THRESHOLD)
 			_pPADStatus->button |= PAD_TRIGGER_L;
 		if (_pPADStatus->triggerRight > DEF_TRIGGER_THRESHOLD)
@@ -424,6 +427,17 @@ void EmulateAnalogStick(unsigned char &stickX, unsigned char &stickY, bool butto
 	}
 }
 
+void EmulateAnalogTrigger(unsigned char &trL, unsigned char &trR)
+{
+	if (GCMapping[g_ID].TriggerType == InputCommon::CTL_TRIGGER_SDL)
+	{
+		int triggerL = abs((int)trL - 0x80) * 2;
+		int triggerR = abs((int)trR - 0x80) * 2;
+		trL = (triggerL > 0xFF) ? 0xFF : triggerL;
+		trR = (triggerR > 0xFF) ? 0xFF : triggerR;
+	}
+}
+
 void Close_Devices()
 {
 	PAD_RumbleClose();
diff --git a/Source/Plugins/Plugin_GCPad/Src/GCPad.h b/Source/Plugins/Plugin_GCPad/Src/GCPad.h
index f50b93e34c..625e653bb2 100644
--- a/Source/Plugins/Plugin_GCPad/Src/GCPad.h
+++ b/Source/Plugins/Plugin_GCPad/Src/GCPad.h
@@ -155,6 +155,7 @@ extern Display* WMdisplay;
 // Custom Functions
 // ----------------
 void EmulateAnalogStick(unsigned char &stickX, unsigned char &stickY, bool buttonUp, bool buttonDown, bool buttonLeft, bool buttonRight, int magnitude);
+void EmulateAnalogTrigger(unsigned char &trL, unsigned char &trR);
 void Close_Devices();
 bool Search_Devices(std::vector<InputCommon::CONTROLLER_INFO> &_joyinfo, int &_NumPads, int &_NumGoodPads);
 void GetAxisState(CONTROLLER_MAPPING_GC &_GCMapping);