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64 lines
2.6 KiB
64 lines
2.6 KiB
/*
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Copyright 2020-2021 Brad Parker
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "core.h"
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#include "../common/input.h"
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void Core::inputPoll() {
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}
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// The core is asking the frontend for the state of a specific button for a specific player.
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// Actually the core is constantly asking for the state of all the buttons it cares about by calling this function for every button on every frame.
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int16_t Core::inputState(unsigned port, unsigned device, unsigned index, unsigned id) {
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// we only support player 1 (port 0) for now
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if(port != 0)
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return 0;
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// core is asking for state of a joypad button, this is basically anything on a gamepad that's not analog (face buttons, d-pad directions, digital triggers like L/R etc.)
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if(device == RETRO_DEVICE_JOYPAD && index == 0) {
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if(id <= RETRO_DEVICE_ID_JOYPAD_R3) {
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return InputState::instance()->getInputState(id);
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}
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// core is asking for the state of analog axes (left analog, right analog)
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// libretro API also supports analog *buttons* (or triggers), but we don't
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}else if(device == RETRO_DEVICE_ANALOG && index == 0) {
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// we don't support the right analog for now
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if(index == RETRO_DEVICE_INDEX_ANALOG_LEFT) {
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if(id == RETRO_DEVICE_ID_ANALOG_X) {
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return InputState::instance()->getAnalogInputState(RETRO_DEVICE_ID_ANALOG_X);
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}else if(id == RETRO_DEVICE_ID_ANALOG_Y) {
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return InputState::instance()->getAnalogInputState(RETRO_DEVICE_ID_ANALOG_Y);
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}
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}
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// core is asking for the state of a mouse pointer (if it supports one)
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}else if(device == RETRO_DEVICE_MOUSE && index == 0) {
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switch(id) {
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case RETRO_DEVICE_ID_MOUSE_X:
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return InputState::instance()->getMousePosRelX();
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case RETRO_DEVICE_ID_MOUSE_Y:
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return InputState::instance()->getMousePosRelY();
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case RETRO_DEVICE_ID_MOUSE_LEFT:
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return InputState::instance()->getMouseButtonsState() & Qt::LeftButton;
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case RETRO_DEVICE_ID_MOUSE_RIGHT:
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return InputState::instance()->getMouseButtonsState() & Qt::RightButton;
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default:
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break;
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}
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}
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return 0;
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}
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