468 lines
13 KiB
C++
468 lines
13 KiB
C++
/*
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Copyright 2019 flyinghead
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This file is part of reicast.
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reicast is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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reicast is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with reicast. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <cmath>
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#include "mapping.h"
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#include "cfg/ini.h"
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#include "stdclass.h"
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static struct
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{
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DreamcastKey id;
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std::string section;
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std::string option;
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}
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button_list[] =
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{
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{ DC_BTN_A, "dreamcast", "btn_a" },
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{ DC_BTN_B, "dreamcast", "btn_b" },
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{ DC_BTN_C, "dreamcast", "btn_c" },
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{ DC_BTN_D, "dreamcast", "btn_d" },
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{ DC_BTN_X, "dreamcast", "btn_x" },
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{ DC_BTN_Y, "dreamcast", "btn_y" },
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{ DC_BTN_Z, "dreamcast", "btn_z" },
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{ DC_BTN_START, "dreamcast", "btn_start" },
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{ DC_DPAD_LEFT, "dreamcast", "btn_dpad1_left" },
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{ DC_DPAD_RIGHT, "dreamcast", "btn_dpad1_right" },
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{ DC_DPAD_UP, "dreamcast", "btn_dpad1_up" },
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{ DC_DPAD_DOWN, "dreamcast", "btn_dpad1_down" },
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{ DC_DPAD2_LEFT, "dreamcast", "btn_dpad2_left" },
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{ DC_DPAD2_RIGHT, "dreamcast", "btn_dpad2_right" },
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{ DC_DPAD2_UP, "dreamcast", "btn_dpad2_up" },
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{ DC_DPAD2_DOWN, "dreamcast", "btn_dpad2_down" },
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{ EMU_BTN_ESCAPE, "emulator", "btn_escape" },
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{ EMU_BTN_MENU, "emulator", "btn_menu" },
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{ EMU_BTN_FFORWARD, "emulator", "btn_fforward" },
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{ DC_AXIS_LT, "compat", "btn_trigger_left" },
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{ DC_AXIS_RT, "compat", "btn_trigger_right" },
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{ DC_AXIS_UP, "compat", "btn_analog_up" },
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{ DC_AXIS_DOWN, "compat", "btn_analog_down" },
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{ DC_AXIS_LEFT, "compat", "btn_analog_left" },
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{ DC_AXIS_RIGHT, "compat", "btn_analog_right" },
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{ DC_BTN_RELOAD, "dreamcast", "reload" },
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};
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static struct
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{
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DreamcastKey id;
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std::string section;
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std::string option;
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std::string section_inverted;
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std::string option_inverted;
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}
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axis_list[] =
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{
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// v3
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{ DC_AXIS_LEFT, "", "axis_left", "", "" },
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{ DC_AXIS_RIGHT, "", "axis_right", "", "" },
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{ DC_AXIS_UP, "", "axis_up", "", "" },
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{ DC_AXIS_DOWN, "", "axis_down", "", "" },
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{ DC_AXIS2_LEFT, "", "axis2_left", "", "" },
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{ DC_AXIS2_RIGHT, "", "axis2_right", "", "" },
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{ DC_AXIS2_UP, "", "axis2_up", "", "" },
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{ DC_AXIS2_DOWN, "", "axis2_down", "", "" },
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{ DC_AXIS_LT, "dreamcast", "axis_trigger_left", "compat", "axis_trigger_left_inverted" },
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{ DC_AXIS_RT, "dreamcast", "axis_trigger_right", "compat", "axis_trigger_right_inverted" },
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// legacy (v2)
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{ DC_AXIS_RIGHT, "dreamcast", "axis_x", "compat", "axis_x_inverted" },
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{ DC_AXIS_DOWN, "dreamcast", "axis_y", "compat", "axis_y_inverted" },
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{ DC_AXIS2_RIGHT, "dreamcast", "axis_right_x", "compat", "axis_right_x_inverted" },
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{ DC_AXIS2_DOWN, "dreamcast", "axis_right_y", "compat", "axis_right_y_inverted" },
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{ DC_DPAD_LEFT, "compat", "axis_dpad1_x", "compat", "axis_dpad1_x_inverted" },
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{ DC_DPAD_UP, "compat", "axis_dpad1_y", "compat", "axis_dpad1_y_inverted" },
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{ DC_DPAD2_LEFT, "compat", "axis_dpad2_x", "compat", "axis_dpad2_x_inverted" },
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{ DC_DPAD2_UP, "compat", "axis_dpad2_y", "compat", "axis_dpad2_y_inverted" },
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{ DC_BTN_A, "compat", "axis_btn_a", "compat", "axis_btn_a_inverted" },
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{ DC_BTN_B, "compat", "axis_btn_b", "compat", "axis_btn_b_inverted" },
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{ DC_BTN_C, "compat", "axis_btn_c", "compat", "axis_btn_c_inverted" },
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{ DC_BTN_D, "compat", "axis_btn_d", "compat", "axis_btn_d_inverted" },
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{ DC_BTN_X, "compat", "axis_btn_x", "compat", "axis_btn_x_inverted" },
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{ DC_BTN_Y, "compat", "axis_btn_y", "compat", "axis_btn_y_inverted" },
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{ DC_BTN_Z, "compat", "axis_btn_z", "compat", "axis_btn_z_inverted" },
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{ DC_BTN_START, "compat", "axis_btn_start", "compat", "axis_btn_start_inverted" },
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{ DC_DPAD_LEFT, "compat", "axis_dpad1_left", "compat", "axis_dpad1_left_inverted" },
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{ DC_DPAD_RIGHT, "compat", "axis_dpad1_right", "compat", "axis_dpad1_right_inverted" },
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{ DC_DPAD_UP, "compat", "axis_dpad1_up", "compat", "axis_dpad1_up_inverted" },
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{ DC_DPAD_DOWN, "compat", "axis_dpad1_down", "compat", "axis_dpad1_down_inverted" },
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{ DC_DPAD2_LEFT, "compat", "axis_dpad2_left", "compat", "axis_dpad2_left_inverted" },
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{ DC_DPAD2_RIGHT, "compat", "axis_dpad2_right", "compat", "axis_dpad2_right_inverted" },
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{ DC_DPAD2_UP, "compat", "axis_dpad2_up", "compat", "axis_dpad2_up_inverted" },
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{ DC_DPAD2_DOWN, "compat", "axis_dpad2_down", "compat", "axis_dpad2_down_inverted" },
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};
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std::map<std::string, std::shared_ptr<InputMapping>> InputMapping::loaded_mappings;
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void InputMapping::clear_button(u32 port, DreamcastKey id)
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{
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if (id != EMU_BTN_NONE)
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{
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while (true)
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{
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u32 code = get_button_code(port, id);
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if (code == (u32)-1)
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break;
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buttons[port][code] = EMU_BTN_NONE;
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dirty = true;
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}
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}
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}
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void InputMapping::set_button(u32 port, DreamcastKey id, u32 code)
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{
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if (id != EMU_BTN_NONE)
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{
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clear_button(port, id);
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buttons[port][code] = id;
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dirty = true;
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}
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}
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void InputMapping::clear_axis(u32 port, DreamcastKey id)
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{
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if (id != EMU_AXIS_NONE)
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{
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while (true)
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{
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std::pair<u32, bool> code = get_axis_code(port, id);
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if (code.first == (u32)-1)
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break;
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axes[port][code] = EMU_AXIS_NONE;
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dirty = true;
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}
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}
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}
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void InputMapping::set_axis(u32 port, DreamcastKey id, u32 code, bool positive)
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{
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if (id != EMU_AXIS_NONE)
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{
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clear_axis(port, id);
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axes[port][std::make_pair(code, positive)] = id;
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dirty = true;
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}
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}
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using namespace emucfg;
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static DreamcastKey getKeyId(const std::string& name)
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{
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for (u32 i = 0; i < ARRAY_SIZE(button_list); i++)
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if (name == button_list[i].option)
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return button_list[i].id;
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for (u32 i = 0; i < ARRAY_SIZE(axis_list); i++)
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if (name == axis_list[i].option)
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return axis_list[i].id;
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WARN_LOG(INPUT, "Unknown key/axis: %s", name.c_str());
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return EMU_BTN_NONE;
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}
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void InputMapping::load(FILE* fp)
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{
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ConfigFile mf;
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mf.parse(fp);
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this->name = mf.get("emulator", "mapping_name", "<Unknown>");
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int dz = mf.get_int("emulator", "dead_zone", 10);
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dz = std::min(dz, 100);
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dz = std::max(dz, 0);
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this->dead_zone = (float)dz / 100.f;
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version = mf.get_int("emulator", "version", 1);
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if (version < 3)
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{
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loadv1(mf);
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return;
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}
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int bindIndex = 0;
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while (true)
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{
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std::string s = mf.get("digital", "bind" + std::to_string(bindIndex++), "");
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if (s.empty())
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break;
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size_t colon = s.find(':');
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if (colon == std::string::npos || colon == 0)
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{
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WARN_LOG(INPUT, "Invalid bind entry: %s", s.c_str());
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break;
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}
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u32 code = atoi(s.substr(0, colon).c_str());
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std::string key = s.substr(colon + 1);
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if (key.empty())
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{
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WARN_LOG(INPUT, "Invalid bind entry: %s", s.c_str());
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break;
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}
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int port = 0;
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if (key[key.size() - 1] >= '1' && key[key.size() - 1] <= '3')
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{
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port = key[key.size() - 1] - '0';
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key = key.substr(0, key.size() - 1);
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}
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DreamcastKey id = getKeyId(key);
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set_button(port, id, code);
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}
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bindIndex = 0;
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while (true)
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{
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std::string s = mf.get("analog", "bind" + std::to_string(bindIndex++), "");
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if (s.empty())
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break;
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size_t colon = s.find(':');
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if (colon == std::string::npos || colon < 2)
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{
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WARN_LOG(INPUT, "Invalid bind entry: %s", s.c_str());
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break;
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}
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bool positive = s[colon - 1] == '+';
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u32 code = atoi(s.substr(0, colon - 1).c_str());
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std::string key = s.substr(colon + 1);
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if (key.empty())
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{
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WARN_LOG(INPUT, "Invalid bind entry: %s", s.c_str());
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break;
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}
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int port = 0;
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if (key[key.size() - 1] >= '1' && key[key.size() - 1] <= '3')
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{
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port = key[key.size() - 1] - '0';
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key = key.substr(0, key.size() - 1);
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}
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DreamcastKey id = getKeyId(key);
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set_axis(port, id, code, positive);
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}
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dirty = false;
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}
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void InputMapping::loadv1(ConfigFile& mf)
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{
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for (int port = 0; port < 4; port++)
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{
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for (u32 i = 0; i < ARRAY_SIZE(button_list); i++)
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{
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std::string option;
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if (port == 0)
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option = button_list[i].option;
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else
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option = button_list[i].option + std::to_string(port);
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int button_code = mf.get_int(button_list[i].section, option, -1);
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if (button_code >= 0)
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{
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DreamcastKey id = button_list[i].id;
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// remap service and test buttons to their new aliases
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if (id == DC_BTN_C)
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id = DC_DPAD2_UP;
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else if (id == DC_BTN_Z)
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id = DC_DPAD2_DOWN;
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this->set_button(port, id, button_code);
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}
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}
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for (u32 i = 0; i < ARRAY_SIZE(axis_list); i++)
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{
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std::string option;
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if (port == 0)
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option = axis_list[i].option;
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else
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option = axis_list[i].option + std::to_string(port);
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int axis_code = mf.get_int(axis_list[i].section, option, -1);
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if (axis_code >= 0)
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{
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if (port == 0)
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option = axis_list[i].option_inverted;
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else
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option = axis_list[i].option_inverted + std::to_string(port);
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bool inverted = mf.get_bool(axis_list[i].section_inverted, option, false);
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this->set_axis(port, axis_list[i].id, axis_code, !inverted);
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if (axis_list[i].id == DC_AXIS_RIGHT)
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this->set_axis(port, DC_AXIS_LEFT, axis_code, inverted);
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else if (axis_list[i].id == DC_AXIS_DOWN)
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this->set_axis(port, DC_AXIS_UP, axis_code, inverted);
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else if (axis_list[i].id == DC_AXIS2_RIGHT)
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this->set_axis(port, DC_AXIS2_LEFT, axis_code, inverted);
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else if (axis_list[i].id == DC_AXIS2_DOWN)
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this->set_axis(port, DC_AXIS2_UP, axis_code, inverted);
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}
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}
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}
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dirty = true;
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}
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u32 InputMapping::get_button_code(u32 port, DreamcastKey key)
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{
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for (auto& it : buttons[port])
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{
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if (it.second == key)
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return it.first;
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}
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return -1;
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}
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std::pair<u32, bool> InputMapping::get_axis_code(u32 port, DreamcastKey key)
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{
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for (auto& it : axes[port])
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{
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if (it.second == key)
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return it.first;
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}
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return std::make_pair((u32)-1, false);
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}
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void InputMapping::ClearMappings()
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{
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loaded_mappings.clear();
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}
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std::shared_ptr<InputMapping> InputMapping::LoadMapping(const char *name)
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{
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auto it = loaded_mappings.find(name);
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if (it != loaded_mappings.end())
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return it->second;
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std::string path = get_readonly_config_path(std::string("mappings/") + name);
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FILE *fp = nowide::fopen(path.c_str(), "r");
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if (fp == NULL)
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return NULL;
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std::shared_ptr<InputMapping> mapping = std::make_shared<InputMapping>();
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mapping->load(fp);
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std::fclose(fp);
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loaded_mappings[name] = mapping;
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if (mapping->is_dirty())
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{
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// Make a backup of the current mapping file
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FILE *out = nowide::fopen((path + ".save").c_str(), "w");
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if (out == nullptr)
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WARN_LOG(INPUT, "Can't backup controller mapping file %s", path.c_str());
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else
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{
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fp = nowide::fopen(path.c_str(), "r");
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if (fp != nullptr)
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{
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u8 buf[4096];
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while (true)
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{
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size_t n = fread(buf, 1, sizeof(buf), fp);
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if (n <= 0)
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break;
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fwrite(buf, 1, n, out);
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}
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std::fclose(fp);
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}
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std::fclose(out);
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}
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}
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return mapping;
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}
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void InputMapping::set_dirty()
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{
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dirty = true;
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}
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static const char *getKeyName(DreamcastKey key)
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{
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for (u32 i = 0; i < ARRAY_SIZE(button_list); i++)
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if (key == button_list[i].id)
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return button_list[i].option.c_str();
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for (u32 i = 0; i < ARRAY_SIZE(axis_list); i++)
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if (key == axis_list[i].id)
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return axis_list[i].option.c_str();
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ERROR_LOG(INPUT, "Invalid key %x", key);
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return nullptr;
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}
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bool InputMapping::save(const char *name)
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{
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if (!dirty)
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return true;
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std::string path = get_writable_config_path("mappings/");
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make_directory(path);
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path = get_writable_config_path(std::string("mappings/") + name);
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FILE *fp = nowide::fopen(path.c_str(), "w");
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if (fp == NULL)
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{
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WARN_LOG(INPUT, "Cannot save controller mappings into %s", path.c_str());
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return false;
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}
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ConfigFile mf;
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mf.set("emulator", "mapping_name", this->name);
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mf.set_int("emulator", "dead_zone", (int)std::round(this->dead_zone * 100.f));
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mf.set_int("emulator", "version", 3);
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int bindIndex = 0;
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for (int port = 0; port < 4; port++)
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{
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for (const auto& pair : buttons[port])
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{
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if (pair.second == EMU_BTN_NONE)
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continue;
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const char *keyName = getKeyName(pair.second);
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if (keyName == nullptr)
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continue;
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std::string option;
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if (port == 0)
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option = keyName;
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else
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option = keyName + std::to_string(port);
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mf.set("digital", "bind" + std::to_string(bindIndex), std::to_string(pair.first) + ":" + option);
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bindIndex++;
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}
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}
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bindIndex = 0;
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for (int port = 0; port < 4; port++)
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{
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for (const auto& pair : axes[port])
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{
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if (pair.second == EMU_BTN_NONE)
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continue;
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const char *keyName = getKeyName(pair.second);
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if (keyName == nullptr)
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continue;
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std::string option;
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if (port == 0)
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option = keyName;
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else
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option = keyName + std::to_string(port);
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mf.set("analog", "bind" + std::to_string(bindIndex),
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std::to_string(pair.first.first) + (pair.first.second ? "+" : "-") + ":" + option);
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bindIndex++;
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}
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}
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mf.save(fp);
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dirty = false;
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std::fclose(fp);
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return true;
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|
}
|
|
|
|
void InputMapping::SaveMapping(const char *name, const std::shared_ptr<InputMapping>& mapping)
|
|
{
|
|
mapping->save(name);
|
|
InputMapping::loaded_mappings[name] = mapping;
|
|
}
|