From 390ee10eefea4249aff94eb5351a908e3cafe228 Mon Sep 17 00:00:00 2001
From: german <german@thesoftwareartisans.com>
Date: Fri, 1 Jan 2021 10:40:02 -0600
Subject: Allow all touch inputs at the same time and remove config options
 that are not longer necesary

---
 src/core/hle/service/hid/controllers/touchscreen.cpp | 16 +++++++++-------
 src/core/hle/service/hid/controllers/touchscreen.h   | 15 +++++++++++----
 2 files changed, 20 insertions(+), 11 deletions(-)

(limited to 'src/core/hle')

diff --git a/src/core/hle/service/hid/controllers/touchscreen.cpp b/src/core/hle/service/hid/controllers/touchscreen.cpp
index de8315ce4..13f75b48a 100644
--- a/src/core/hle/service/hid/controllers/touchscreen.cpp
+++ b/src/core/hle/service/hid/controllers/touchscreen.cpp
@@ -40,11 +40,12 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
     cur_entry.sampling_number = last_entry.sampling_number + 1;
     cur_entry.sampling_number2 = cur_entry.sampling_number;
 
-    updateTouchInputEvent(touch_device->GetStatus(), mouse_finger_id);
-    updateTouchInputEvent(touch_btn_device->GetStatus(), keyboar_finger_id);
+    updateTouchInputEvent(touch_mouse_device->GetStatus(), mouse_finger_id);
+    updateTouchInputEvent(touch_btn_device->GetStatus(), keyboard_finger_id);
+    updateTouchInputEvent(touch_udp_device->GetStatus(), udp_finger_id);
 
     std::array<Finger, 16> sorted_fingers;
-    s32_le active_fingers = 0;
+    size_t active_fingers = 0;
     for (Finger finger : fingers) {
         if (finger.pressed) {
             sorted_fingers[active_fingers++] = finger;
@@ -52,7 +53,7 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
     }
 
     const u64 tick = core_timing.GetCPUTicks();
-    cur_entry.entry_count = active_fingers;
+    cur_entry.entry_count = static_cast<s32_le>(active_fingers);
     for (size_t id = 0; id < MAX_FINGERS; id++) {
         auto& touch_entry = cur_entry.states[id];
         if (id < active_fingers) {
@@ -81,7 +82,8 @@ void Controller_Touchscreen::OnUpdate(const Core::Timing::CoreTiming& core_timin
 }
 
 void Controller_Touchscreen::OnLoadInputDevices() {
-    touch_device = Input::CreateDevice<Input::TouchDevice>(Settings::values.touchscreen.device);
+    touch_mouse_device = Input::CreateDevice<Input::TouchDevice>("engine:emu_window");
+    touch_udp_device = Input::CreateDevice<Input::TouchDevice>("engine:cemuhookudp");
     if (Settings::values.use_touch_from_button) {
         touch_btn_device = Input::CreateDevice<Input::TouchDevice>("engine:touch_from_button");
     } else {
@@ -90,7 +92,7 @@ void Controller_Touchscreen::OnLoadInputDevices() {
 }
 
 void Controller_Touchscreen::updateTouchInputEvent(
-    const std::tuple<float, float, bool>& touch_input, int& finger_id) {
+    const std::tuple<float, float, bool>& touch_input, size_t& finger_id) {
     bool pressed = false;
     float x, y;
     std::tie(x, y, pressed) = touch_input;
@@ -110,7 +112,7 @@ void Controller_Touchscreen::updateTouchInputEvent(
                 fingers[finger_id].x = x;
                 fingers[finger_id].y = y;
                 fingers[finger_id].pressed = true;
-                fingers[finger_id].id = finger_id;
+                fingers[finger_id].id = static_cast<u32_le>(finger_id);
                 fingers[finger_id].attribute.start_touch.Assign(1);
             }
         } else {
diff --git a/src/core/hle/service/hid/controllers/touchscreen.h b/src/core/hle/service/hid/controllers/touchscreen.h
index 6c7620420..03f399344 100644
--- a/src/core/hle/service/hid/controllers/touchscreen.h
+++ b/src/core/hle/service/hid/controllers/touchscreen.h
@@ -30,7 +30,12 @@ public:
     void OnLoadInputDevices() override;
 
 private:
-    void updateTouchInputEvent(const std::tuple<float, float, bool>& touch_input, int& finger_id);
+    // If the touch is new it tries to assing a new finger id, if there is no fingers avaliable no
+    // changes will be made. Updates the coordinates if the finger id it's already set. If the touch
+    // ends delays the output by one frame to set the end_touch flag before finally freeing the
+    // finger id
+    void updateTouchInputEvent(const std::tuple<float, float, bool>& touch_input,
+                               size_t& finger_id);
     static const size_t MAX_FINGERS = 16;
 
     struct Attributes {
@@ -80,10 +85,12 @@ private:
     };
 
     TouchScreenSharedMemory shared_memory{};
-    std::unique_ptr<Input::TouchDevice> touch_device;
+    std::unique_ptr<Input::TouchDevice> touch_mouse_device;
+    std::unique_ptr<Input::TouchDevice> touch_udp_device;
     std::unique_ptr<Input::TouchDevice> touch_btn_device;
-    int mouse_finger_id{-1};
-    int keyboar_finger_id{-1};
+    size_t mouse_finger_id{-1};
+    size_t keyboard_finger_id{-1};
+    size_t udp_finger_id{-1};
     std::array<Finger, MAX_FINGERS> fingers;
 };
 } // namespace Service::HID
-- 
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