From 92e3723bb2fdb3d0364c47d8650e4ccef6e2e9b9 Mon Sep 17 00:00:00 2001
From: Chris P <shadowgamer67890@gmail.com>
Date: Fri, 5 Jul 2024 11:14:35 -0400
Subject: [PATCH] Add memory addresses and toggle for multiplayer inputs

---
 src/frontend/qt_sdl/Config.cpp                |  2 +
 src/frontend/qt_sdl/Config.h                  |  2 +
 src/frontend/qt_sdl/EmuThread.cpp             | 49 +++++++++++++++++--
 .../qt_sdl/InputConfig/InputConfigDialog.cpp  |  2 +
 .../qt_sdl/InputConfig/InputConfigDialog.ui   | 20 ++++++++
 5 files changed, 71 insertions(+), 4 deletions(-)

diff --git a/src/frontend/qt_sdl/Config.cpp b/src/frontend/qt_sdl/Config.cpp
index 6b32e5b279..1da54bd875 100644
--- a/src/frontend/qt_sdl/Config.cpp
+++ b/src/frontend/qt_sdl/Config.cpp
@@ -162,6 +162,7 @@ bool GdbARM9BreakOnStartup;
 
 int MetroidAimSensitivity;
 int MetroidVirtualStylusSensitivity;
+int MetroidVsPlayerInput;
 
 CameraConfig Camera[2];
 
@@ -404,6 +405,7 @@ ConfigEntry ConfigFile[] =
 
     {"MetroidAimSensitivity", 0, &MetroidAimSensitivity, MetroidAimSensitivityDefault, false},
     {"MetroidVirtualStylusSensitivity", 0, &MetroidVirtualStylusSensitivity, MetroidVirtualStylusSensitivityDefault, false},
+    {"MetroidVsPlayerInput", 0, &MetroidVsPlayerInput, MetroidVsPlayerInputDefault, false},
 
     // TODO!!
     // we need a more elegant way to deal with this
diff --git a/src/frontend/qt_sdl/Config.h b/src/frontend/qt_sdl/Config.h
index 890bf4c407..c6b61e55cc 100644
--- a/src/frontend/qt_sdl/Config.h
+++ b/src/frontend/qt_sdl/Config.h
@@ -236,9 +236,11 @@ extern bool GdbARM9BreakOnStartup;
 
 extern int MetroidAimSensitivity;
 extern int MetroidVirtualStylusSensitivity;
+extern int MetroidVsPlayerInput;
 
 const int MetroidAimSensitivityDefault = 30;
 const int MetroidVirtualStylusSensitivityDefault = 20;
+const int MetroidVsPlayerInputDefault = 1;
 
 void Load();
 void Save();
diff --git a/src/frontend/qt_sdl/EmuThread.cpp b/src/frontend/qt_sdl/EmuThread.cpp
index c423ab4f7f..ec5e766907 100644
--- a/src/frontend/qt_sdl/EmuThread.cpp
+++ b/src/frontend/qt_sdl/EmuThread.cpp
@@ -694,15 +694,16 @@ void EmuThread::run()
     #define FN_INPUT_PRESS(i) Input::InputMask.setBit(i, false);
     #define FN_INPUT_RELEASE(i) Input::InputMask.setBit(i, true);
 
+    melonDS::u32 aimXAddr;
+    melonDS::u32 aimYAddr;
+
 #define METROID_US_1_1 1
 #ifdef METROID_US_1_1
-    const melonDS::u32 aimXAddr = 0x020DEDA6;
-    const melonDS::u32 aimYAddr = 0x020DEDAE;
+    const bool metroidUSRev1 = true;
     const melonDS::u32 inBallAddr = 0x020DB098;
     const melonDS::u32 inVisorOrMapAddr = 0x020D9A7D; // my best guess
 #else
-    const melonDS::u32 aimXAddr = 0x020DE526;
-    const melonDS::u32 aimYAddr = 0x020DE52E;
+    const bool metroidUSRev1 = true;
     const melonDS::u32 inBallAddr = 0x020DA818;
 #endif
 
@@ -935,6 +936,46 @@ void EmuThread::run()
 
             processMoveInput();
 
+            // aim addresses for version and player number
+            if(metroidUSRev1) {
+                switch(Config::MetroidVsPlayerInput) {
+                    case 2:
+                        aimXAddr = 0x020DEDEE;
+                        aimYAddr = 0x020DEDF6;
+                        break;
+                    case 3:
+                        aimXAddr = 0x020DEE36;
+                        aimYAddr = 0x020DEE3E;
+                        break;
+                    case 4:
+                        aimXAddr = 0x020DEE7E;
+                        aimYAddr = 0x020DEE86;
+                        break;
+                    default:
+                        aimXAddr = 0x020DEDA6;
+                        aimYAddr = 0x020DEDAE;
+                }
+            }
+            else {
+                switch(Config::MetroidVsPlayerInput) {
+                    case 2:
+                        aimXAddr = 0x020DF66E;
+                        aimYAddr = 0x020DF676;
+                        break;
+                    case 3:
+                        aimXAddr = 0x020DF6B6;
+                        aimYAddr = 0x020DF6BE;
+                        break;
+                    case 4:
+                        aimXAddr = 0x020DF626;
+                        aimYAddr = 0x020DF706;
+                        break;
+                    default:
+                        aimXAddr = 0x020DE526;
+                        aimYAddr = 0x020DE52E;
+                }
+            }
+
             // cursor looking
             
             if (abs(mouseRel.x()) > 0) {
diff --git a/src/frontend/qt_sdl/InputConfig/InputConfigDialog.cpp b/src/frontend/qt_sdl/InputConfig/InputConfigDialog.cpp
index 3ecfb64dc5..e59901e69b 100644
--- a/src/frontend/qt_sdl/InputConfig/InputConfigDialog.cpp
+++ b/src/frontend/qt_sdl/InputConfig/InputConfigDialog.cpp
@@ -94,6 +94,7 @@ InputConfigDialog::InputConfigDialog(QWidget* parent) : QDialog(parent), ui(new
 
     ui->metroidAimSensitvitySpinBox->setValue(Config::MetroidAimSensitivity);
     ui->metroidVirtualStylusSensitvitySpinBox->setValue(Config::MetroidVirtualStylusSensitivity);
+	ui->metroidVsPlayerInputSpinBox->setValue(Config::MetroidVsPlayerInput);
 }
 
 void InputConfigDialog::switchTabToAddons() {
@@ -215,6 +216,7 @@ void InputConfigDialog::on_InputConfigDialog_accepted()
 
     Config::MetroidAimSensitivity = ui->metroidAimSensitvitySpinBox->value();
     Config::MetroidVirtualStylusSensitivity = ui->metroidVirtualStylusSensitvitySpinBox->value();
+	Config::MetroidVsPlayerInput = ui->metroidVsPlayerInputSpinBox->value();
 
     Config::Save();
 
diff --git a/src/frontend/qt_sdl/InputConfig/InputConfigDialog.ui b/src/frontend/qt_sdl/InputConfig/InputConfigDialog.ui
index 2000a2035f..50ba28bf68 100644
--- a/src/frontend/qt_sdl/InputConfig/InputConfigDialog.ui
+++ b/src/frontend/qt_sdl/InputConfig/InputConfigDialog.ui
@@ -2328,6 +2328,26 @@
           <string>Reset sensitivity values</string>
          </property>
         </widget>
+       </item>
+	   <item row="3" column="0">
+        <widget class="QLabel" name="metroidVsPlayerInputLabel">
+         <property name="text">
+          <string>Vs. mode player input:</string>
+         </property>
+        </widget>
+       </item>
+       <item row="3" column="1">
+        <widget class="QSpinBox" name="metroidVsPlayerInputSpinBox">
+         <property name="minimum">
+          <number>1</number>
+         </property>
+         <property name="maximum">
+          <number>4</number>
+         </property>
+         <property name="value">
+          <number>0</number>
+         </property>
+        </widget>
        </item>
       </layout>
      </widget>