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SNESMAX: refactor some code

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This commit is contained in:
tomcw 2023-01-01 20:31:27 +00:00
parent af9d2a6402
commit f78c20f534
2 changed files with 25 additions and 33 deletions
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57
source/SNESMAX.cpp
View File

@ -45,8 +45,9 @@
Once data is read, button presses (for each controller) are stored in the following structure:
bit# 11 10 9 8 / 7 6 5 4 3 2 1 0
m_controllerXButtons: x:x:x:x:Fr:Fl:X:A / R:L:D:U:St:Sl:Y:B
bit# 16 / 11 10 9 8 / 7 6 5 4 3 2 1 0
m_controllerXButtons: *1 x:x:x:x:Fr:Fl:X:A / R:L:D:U:St:Sl:Y:B
*1 = Controller plugged in status
Alex Lukacz Aug 2021
*/
@ -56,14 +57,23 @@
#include "Memory.h"
#include "YamlHelper.h"
// AltControllerType defaults to "8BitDo NES30 PRO"
// b11,..,b0: Sr,Sl,R,L / -,-,-,Y,X,-,B,A
// Default to Sony DS4 / DualSense:
// b11,..,b0: St,Sl / -,-,R,L,X,A,B,Y
//
// infoEx.dwButtons bit definitions:
const UINT SNESMAXCard::m_mainControllerButtons[NUM_BUTTONS] =
{
Y,B,A,X,LB,RB,UNUSED,UNUSED, SELECT,START,UNUSED,UNUSED,UNUSED,UNUSED,UNUSED,UNUSED // bit0 -> Y, bit1 -> B, bit2 -> A, etc
};
// AltControllerType defaults to "8BitDo NES30 PRO" (can be reconfigured via command line + yaml mapping file)
// b11,..,b0: St,Sl,R,L / -,-,-,Y,X,-,B,A
//
// infoEx.dwButtons bit definitions:
UINT SNESMAXCard::m_altControllerButtons[2][NUM_BUTTONS] =
{
{A,B,UNUSED,X,Y,UNUSED,UNUSED,UNUSED, LB,RB,SELECT,START}, // bit0 -> A, bit1 -> B, bit2 -> unused, etc
{A,B,UNUSED,X,Y,UNUSED,UNUSED,UNUSED, LB,RB,SELECT,START}
{A,B,UNUSED,X,Y,UNUSED,UNUSED,UNUSED, LB,RB,SELECT,START,UNUSED,UNUSED,UNUSED,UNUSED}, // bit0 -> A, bit1 -> B, bit2 -> unused, etc
{A,B,UNUSED,X,Y,UNUSED,UNUSED,UNUSED, LB,RB,SELECT,START,UNUSED,UNUSED,UNUSED,UNUSED}
};
BYTE __stdcall SNESMAXCard::IORead(WORD pc, WORD addr, BYTE bWrite, BYTE value, ULONG nExecutedCycles)
@ -119,7 +129,7 @@ BYTE __stdcall SNESMAXCard::IOWrite(WORD pc, WORD addr, BYTE bWrite, BYTE value,
break;
case 1: // Clock
if (pCard->m_buttonIndex <= 16)
if (pCard->m_buttonIndex <= NUM_BUTTONS) // NB. 17 bits (where last bit is: Controller plugged in status)
{
pCard->m_buttonIndex++;
controller1Buttons = controller1Buttons >> 1;
@ -143,34 +153,15 @@ UINT SNESMAXCard::GetControllerButtons(UINT joyNum, JOYINFOEX& infoEx, bool altC
controllerButtons |= ((yAxis > 153 || (infoEx.dwPOV >= 13500 && infoEx.dwPOV <= 22500)) << 5); // D Button
controllerButtons |= ((xAxis < 103 || (infoEx.dwPOV >= 22500 && infoEx.dwPOV <= 31500)) << 6); // L Button
controllerButtons |= ((xAxis > 153 || (infoEx.dwPOV >= 4500 && infoEx.dwPOV <= 13500)) << 7); // R Button
// controllerButtons |= 0 * 0x1000; // spare Button
// controllerButtons |= 0 * 0x2000; // spare Button
// controllerButtons |= 0 * 0x4000; // spare Button
// controllerButtons |= 0 * 0x8000; // spare Button
if (!altControllerType)
{
// Logitech F310, Sony DualShock 4
// b11,..,b0: -,-,St,Sl / -,-,R,L,X,A,B,Y
controllerButtons |= ((infoEx.dwButtons & 0x0002) >> 1); // B Button
controllerButtons |= ((infoEx.dwButtons & 0x0001) << 1); // Y Button
controllerButtons |= ((infoEx.dwButtons & 0x0100) >> 6); // Sl Button
controllerButtons |= ((infoEx.dwButtons & 0x0200) >> 6); // St Button
UINT* controllerButtonMappings = !altControllerType ? (UINT*)m_mainControllerButtons : (UINT*)(&m_altControllerButtons[joyNum][0]);
controllerButtons |= ((infoEx.dwButtons & 0x0004) << 6); // A Button
controllerButtons |= ((infoEx.dwButtons & 0x0008) << 6); // X Button
controllerButtons |= ((infoEx.dwButtons & 0x0010) << 6) | ((infoEx.dwButtons & 0x0040) << 4); // Fl Button
controllerButtons |= ((infoEx.dwButtons & 0x0020) << 6) | ((infoEx.dwButtons & 0x0080) << 4); // Fr Button
}
else
for (UINT i = 0; i < NUM_BUTTONS; i++)
{
for (UINT i = 0; i < 12; i++)
if (infoEx.dwButtons & (1 << i))
{
if (infoEx.dwButtons & (1 << i))
{
if (m_altControllerButtons[joyNum][i] != UNUSED)
controllerButtons |= (1 << m_altControllerButtons[joyNum][i]);
}
if (controllerButtonMappings[i] != UNUSED)
controllerButtons |= (1 << controllerButtonMappings[i]);
}
}
@ -281,8 +272,8 @@ bool SNESMAXCard::LoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT version)
m_buttonIndex = yamlLoadHelper.LoadUint(SS_YAML_KEY_BUTTON_INDEX);
// Initialise with no buttons pressed (loaded state maybe part way through reading the buttons)
m_controller1Buttons = 0xff;
m_controller2Buttons = 0xff;
m_controller1Buttons = 0x1ffff;
m_controller2Buttons = 0x1ffff;
return true;
}

1
source/SNESMAX.h
View File

@ -42,6 +42,7 @@ private:
UINT m_controller1Buttons;
UINT m_controller2Buttons;
static const UINT m_mainControllerButtons[NUM_BUTTONS];
bool m_altControllerType[2];
static UINT m_altControllerButtons[2][NUM_BUTTONS];
};