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authorMorph <39850852+Morph1984@users.noreply.github.com>2020-11-25 13:01:22 +0100
committerMorph <39850852+Morph1984@users.noreply.github.com>2020-12-18 16:33:28 +0100
commitf9653a4417665c208d96b4ee19394ace963adc66 (patch)
treed0888ec5438308b0498ff21e17edf9586cc33108 /src/core/frontend/input_interpreter.cpp
parentcontrollers/npad: Make press_state atomic (diff)
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Diffstat (limited to 'src/core/frontend/input_interpreter.cpp')
-rw-r--r--src/core/frontend/input_interpreter.cpp45
1 files changed, 45 insertions, 0 deletions
diff --git a/src/core/frontend/input_interpreter.cpp b/src/core/frontend/input_interpreter.cpp
new file mode 100644
index 000000000..66ae506cd
--- /dev/null
+++ b/src/core/frontend/input_interpreter.cpp
@@ -0,0 +1,45 @@
+// Copyright 2020 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/core.h"
+#include "core/frontend/input_interpreter.h"
+#include "core/hle/service/hid/controllers/npad.h"
+#include "core/hle/service/hid/hid.h"
+#include "core/hle/service/sm/sm.h"
+
+InputInterpreter::InputInterpreter(Core::System& system)
+ : npad{system.ServiceManager()
+ .GetService<Service::HID::Hid>("hid")
+ ->GetAppletResource()
+ ->GetController<Service::HID::Controller_NPad>(Service::HID::HidController::NPad)} {}
+
+InputInterpreter::~InputInterpreter() = default;
+
+void InputInterpreter::PollInput() {
+ const u32 button_state = npad.GetAndResetPressState();
+
+ previous_index = current_index;
+ current_index = (current_index + 1) % button_states.size();
+
+ button_states[current_index] = button_state;
+}
+
+bool InputInterpreter::IsButtonPressedOnce(HIDButton button) const {
+ const bool current_press =
+ (button_states[current_index] & (1U << static_cast<u8>(button))) != 0;
+ const bool previous_press =
+ (button_states[previous_index] & (1U << static_cast<u8>(button))) != 0;
+
+ return current_press && !previous_press;
+}
+
+bool InputInterpreter::IsButtonHeld(HIDButton button) const {
+ u32 held_buttons{button_states[0]};
+
+ for (std::size_t i = 1; i < button_states.size(); ++i) {
+ held_buttons &= button_states[i];
+ }
+
+ return (held_buttons & (1U << static_cast<u8>(button))) != 0;
+}