mapping.cpp

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/*
 * Copyright (C) 2023  Christopher J. Howard
 *
 * This file is part of Antkeeper source code.
 *
 * Antkeeper source code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Antkeeper source code is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Antkeeper source code.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#include <engine/input/mapping.hpp>
#include <engine/resources/serializer.hpp>
#include <engine/resources/serialize-error.hpp>
#include <engine/resources/deserializer.hpp>
#include <engine/resources/deserialize-error.hpp>
 
namespace input {
 
gamepad_axis_mapping::gamepad_axis_mapping(input::gamepad* gamepad, gamepad_axis axis, bool direction):
    gamepad{gamepad},
    axis{axis},
    direction{direction}
{}
 
gamepad_button_mapping::gamepad_button_mapping(input::gamepad* gamepad, gamepad_button button):
    gamepad{gamepad},
    button{button}
{}
 
key_mapping::key_mapping(input::keyboard* keyboard, input::scancode scancode, std::uint16_t modifiers, bool repeat):
    keyboard{keyboard},
    scancode{scancode},
    repeat{repeat},
    modifiers{modifiers}
{}
 
mouse_button_mapping::mouse_button_mapping(input::mouse* mouse, mouse_button button):
    mouse{mouse},
    button{button}
{}
 
mouse_motion_mapping::mouse_motion_mapping(input::mouse* mouse, mouse_motion_axis axis, bool direction):
    mouse{mouse},
    axis{axis},
    direction{direction}
{}
 
mouse_scroll_mapping::mouse_scroll_mapping(input::mouse* mouse, mouse_scroll_axis axis, bool direction):
    mouse{mouse},
    axis{axis},
    direction{direction}
{}
 
} // namespace input
 
template <>
void serializer<input::gamepad_axis_mapping>::serialize(const input::gamepad_axis_mapping& mapping, serialize_context& ctx)
{
    ctx.write8(reinterpret_cast<const std::byte*>(&mapping.axis), 1);   
    const std::uint8_t direction = mapping.direction;
    ctx.write8(reinterpret_cast<const std::byte*>(&direction), 1);
}
 
template <>
void serializer<input::gamepad_button_mapping>::serialize(const input::gamepad_button_mapping& mapping, serialize_context& ctx)
{
    ctx.write8(reinterpret_cast<const std::byte*>(&mapping.button), 1);
}
 
template <>
void serializer<input::key_mapping>::serialize(const input::key_mapping& mapping, serialize_context& ctx)
{
    ctx.write16<std::endian::big>(reinterpret_cast<const std::byte*>(&mapping.scancode), 1);    
    ctx.write16<std::endian::big>(reinterpret_cast<const std::byte*>(&mapping.modifiers), 1);
    const std::uint8_t repeat = mapping.repeat;
    ctx.write8(reinterpret_cast<const std::byte*>(&repeat), 1);
}
 
template <>
void serializer<input::mouse_button_mapping>::serialize(const input::mouse_button_mapping& mapping, serialize_context& ctx)
{
    ctx.write8(reinterpret_cast<const std::byte*>(&mapping.button), 1); 
}
 
template <>
void serializer<input::mouse_motion_mapping>::serialize(const input::mouse_motion_mapping& mapping, serialize_context& ctx)
{
    ctx.write8(reinterpret_cast<const std::byte*>(&mapping.axis), 1);   
    const std::uint8_t direction = mapping.direction;
    ctx.write8(reinterpret_cast<const std::byte*>(&direction), 1);
}
 
template <>
void serializer<input::mouse_scroll_mapping>::serialize(const input::mouse_scroll_mapping& mapping, serialize_context& ctx)
{
    ctx.write8(reinterpret_cast<const std::byte*>(&mapping.axis), 1);   
    const std::uint8_t direction = mapping.direction;
    ctx.write8(reinterpret_cast<const std::byte*>(&direction), 1);
}
 
template <>
void deserializer<input::gamepad_axis_mapping>::deserialize(input::gamepad_axis_mapping& mapping, deserialize_context& ctx)
{
    mapping.gamepad = nullptr;
    
    ctx.read8(reinterpret_cast<std::byte*>(&mapping.axis), 1);
    std::uint8_t direction = 0;
    ctx.read8(reinterpret_cast<std::byte*>(&direction), 1);
    mapping.direction = direction;
}
 
template <>
void deserializer<input::gamepad_button_mapping>::deserialize(input::gamepad_button_mapping& mapping, deserialize_context& ctx)
{
    mapping.gamepad = nullptr;
    
    ctx.read8(reinterpret_cast<std::byte*>(&mapping.button), 1);
}
 
template <>
void deserializer<input::key_mapping>::deserialize(input::key_mapping& mapping, deserialize_context& ctx)
{
    mapping.keyboard = nullptr;
    
    ctx.read16<std::endian::big>(reinterpret_cast<std::byte*>(&mapping.scancode), 1);
    ctx.read16<std::endian::big>(reinterpret_cast<std::byte*>(&mapping.modifiers), 1);
    std::uint8_t repeat = 0;
    ctx.read8(reinterpret_cast<std::byte*>(&repeat), 1);
    mapping.repeat = repeat;
}
 
template <>
void deserializer<input::mouse_button_mapping>::deserialize(input::mouse_button_mapping& mapping, deserialize_context& ctx)
{
    mapping.mouse = nullptr;
    
    ctx.read8(reinterpret_cast<std::byte*>(&mapping.button), 1);
}
 
template <>
void deserializer<input::mouse_motion_mapping>::deserialize(input::mouse_motion_mapping& mapping, deserialize_context& ctx)
{
    mapping.mouse = nullptr;
    
    ctx.read8(reinterpret_cast<std::byte*>(&mapping.axis), 1);
    std::uint8_t direction = 0;
    ctx.read8(reinterpret_cast<std::byte*>(&direction), 1);
    mapping.direction = direction;
}
 
template <>
void deserializer<input::mouse_scroll_mapping>::deserialize(input::mouse_scroll_mapping& mapping, deserialize_context& ctx)
{
    mapping.mouse = nullptr;
    
    ctx.read8(reinterpret_cast<std::byte*>(&mapping.axis), 1);
    std::uint8_t direction = 0;
    ctx.read8(reinterpret_cast<std::byte*>(&direction), 1);
    mapping.direction = direction;
}