💿🐜 Antkeeper source code
https://antkeeper.com
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232 lines
5.5 KiB
232 lines
5.5 KiB
/*
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* Copyright (C) 2023 Christopher J. Howard
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*
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* This file is part of Antkeeper source code.
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*
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* Antkeeper source code 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 3 of the License, or
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* (at your option) any later version.
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*
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* Antkeeper source code 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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*
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* You should have received a copy of the GNU General Public License
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* along with Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "game/controls.hpp"
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#include "game/components/ant-caste-component.hpp"
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#include "game/components/rigid-body-component.hpp"
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#include "game/components/legged-locomotion-component.hpp"
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#include "game/components/ovary-component.hpp"
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#include <engine/math/interpolation.hpp>
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#include <engine/debug/log.hpp>
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namespace {
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/**
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* Updates the locomotive speed of the controlled ant.
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*
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* @param ctx Game context.
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*/
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void update_controlled_ant_speed(::game& ctx)
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{
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if (ctx.controlled_ant_eid == entt::null)
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{
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return;
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}
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// Get phenome of controlled ant caste
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const auto& caste_phenome = *ctx.entity_registry->get<::ant_caste_component>(ctx.controlled_ant_eid).phenome;
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// Determine locomotive speed
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float locomotive_speed;
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if (ctx.ant_move_slow_action.is_active())
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{
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// Interpolate locomotive speed between walking and creeping
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locomotive_speed = math::lerp(caste_phenome.legs->walking_speed, caste_phenome.legs->creeping_speed, ctx.ant_move_slow_action.get_input_value());
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}
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else if (ctx.ant_move_fast_action.is_active())
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{
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// Interpolate locomotive speed between walking and running
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locomotive_speed = math::lerp(caste_phenome.legs->walking_speed, caste_phenome.legs->running_speed, ctx.ant_move_fast_action.get_input_value());
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}
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else
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{
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// Set locomotive speed to walking speed
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locomotive_speed = caste_phenome.legs->walking_speed;
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}
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// Scale locomotive speed by move ant forward action input value
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locomotive_speed *= ctx.ant_move_forward_action.get_input_value();
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// Scale locomotive speed by scale of controlled ant
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locomotive_speed *= ctx.entity_registry->get<rigid_body_component>(ctx.controlled_ant_eid).body->get_transform().scale.x();
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// Update speed of legged locomotion component
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ctx.entity_registry->patch<::legged_locomotion_component>
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(
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ctx.controlled_ant_eid,
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[&](auto& component)
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{
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component.speed = locomotive_speed;
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}
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);
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}
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/**
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* Turns the controlled ant.
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*
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* @param ctx Game context.
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* @param scale Angular velocity scale.
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*/
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void turn_controlled_ant(::game& ctx, float scale)
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{
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if (ctx.controlled_ant_eid == entt::null)
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{
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return;
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}
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ctx.entity_registry->patch<::legged_locomotion_component>
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(
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ctx.controlled_ant_eid,
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[&](auto& component)
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{
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component.angular_velocity = math::radians(120.0f) * scale;
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}
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);
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}
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}
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void setup_ant_controls(::game& ctx)
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{
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// Ant move forward
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ctx.event_subscriptions.emplace_back
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(
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ctx.ant_move_forward_action.get_active_channel().subscribe
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(
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[&](const auto& event)
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{
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update_controlled_ant_speed(ctx);
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}
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)
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);
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ctx.event_subscriptions.emplace_back
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(
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ctx.ant_move_forward_action.get_deactivated_channel().subscribe
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(
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[&](const auto& event)
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{
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update_controlled_ant_speed(ctx);
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}
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)
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);
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// Ant move back
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ctx.event_subscriptions.emplace_back
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(
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ctx.ant_move_back_action.get_active_channel().subscribe
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(
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[&](const auto& event)
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{
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update_controlled_ant_speed(ctx);
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}
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)
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);
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// Ant move left
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ctx.event_subscriptions.emplace_back
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(
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ctx.ant_move_left_action.get_active_channel().subscribe
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(
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[&](const auto& event)
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{
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turn_controlled_ant(ctx, event.input_value);
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}
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)
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);
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ctx.event_subscriptions.emplace_back
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(
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ctx.ant_move_left_action.get_deactivated_channel().subscribe
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(
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[&](const auto& event)
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{
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turn_controlled_ant(ctx, 0.0f);
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}
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)
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);
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// Ant move right
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ctx.event_subscriptions.emplace_back
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(
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ctx.ant_move_right_action.get_active_channel().subscribe
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(
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[&](const auto& event)
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{
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turn_controlled_ant(ctx, -event.input_value);
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}
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)
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);
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ctx.event_subscriptions.emplace_back
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(
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ctx.ant_move_right_action.get_deactivated_channel().subscribe
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(
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[&](const auto& event)
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{
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turn_controlled_ant(ctx, 0.0f);
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}
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)
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);
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// Ant oviposit
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ctx.event_subscriptions.emplace_back
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(
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ctx.ant_oviposit_action.get_activated_channel().subscribe
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(
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[&](const auto& event)
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{
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if (ctx.controlled_ant_eid == entt::null)
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{
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return;
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}
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if (auto ovary_component = ctx.entity_registry->try_get<ovary_component>(ctx.controlled_ant_eid))
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{
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ovary_component->ovipositing = true;
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}
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}
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)
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);
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ctx.event_subscriptions.emplace_back
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(
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ctx.ant_oviposit_action.get_deactivated_channel().subscribe
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(
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[&](const auto& event)
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{
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if (ctx.controlled_ant_eid == entt::null)
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{
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return;
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}
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if (auto ovary_component = ctx.entity_registry->try_get<ovary_component>(ctx.controlled_ant_eid))
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{
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ovary_component->ovipositing = false;
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}
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}
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)
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);
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}
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void enable_ant_controls(::game& ctx)
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{
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ctx.ant_action_map.enable();
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}
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void disable_ant_controls(::game& ctx)
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{
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ctx.ant_action_map.disable();
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ctx.ant_action_map.reset();
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}
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