💿🐜 Antkeeper source code
https://antkeeper.com
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341 lines
14 KiB
341 lines
14 KiB
/*
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* Copyright (C) 2020 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 "animation/ease.hpp"
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#include "animation/screen-transition.hpp"
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#include "configuration.hpp"
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#include "debug/logger.hpp"
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#include "entity/archetype.hpp"
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#include "game/components/cavity-component.hpp"
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#include "game/components/copy-transform-component.hpp"
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#include "game/components/copy-translation-component.hpp"
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#include "game/components/model-component.hpp"
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#include "game/components/snap-component.hpp"
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#include "game/components/samara-component.hpp"
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#include "game/components/terrain-component.hpp"
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#include "game/components/tool-component.hpp"
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#include "game/components/transform-component.hpp"
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#include "game/components/camera-follow-component.hpp"
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#include "game/entity-commands.hpp"
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#include "game/game-context.hpp"
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#include "game/states/game-states.hpp"
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#include "math/math.hpp"
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#include "nest.hpp"
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#include "renderer/material.hpp"
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#include "rasterizer/texture-2d.hpp"
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#include "rasterizer/texture-filter.hpp"
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#include "rasterizer/texture-wrapping.hpp"
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#include "renderer/model.hpp"
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#include "renderer/passes/sky-pass.hpp"
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#include "resources/resource-manager.hpp"
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#include "scene/model-instance.hpp"
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#include "scene/scene.hpp"
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#include "scene/camera.hpp"
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#include "scene/ambient-light.hpp"
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#include "scene/directional-light.hpp"
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#include "scene/directional-light.hpp"
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#include "game/systems/control-system.hpp"
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#include "game/systems/camera-system.hpp"
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#include "game/systems/render-system.hpp"
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#include "game/systems/tool-system.hpp"
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#include "game/systems/weather-system.hpp"
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#include "game/biome.hpp"
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#include "utility/fundamental-types.hpp"
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#include "utility/gamma.hpp"
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void play_state_enter(game_context* ctx)
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{
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logger* logger = ctx->logger;
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logger->push_task("Entering play state");
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// Load biome
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if (ctx->option_biome.has_value())
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{
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ctx->biome = ctx->resource_manager->load<biome>(ctx->option_biome.value() + ".bio");
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}
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else
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{
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ctx->biome = ctx->resource_manager->load<biome>("grassland.bio");
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}
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// Apply biome parameters to scene
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sky_pass* sky_pass = ctx->overworld_sky_pass;
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sky_pass->set_enabled(true);
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sky_pass->set_sky_model(ctx->resource_manager->load<model>("sky-dome.mdl"));
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sky_pass->set_moon_model(ctx->resource_manager->load<model>("moon.mdl"));
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ctx->weather_system->set_location(ctx->biome->location[0], ctx->biome->location[1], ctx->biome->location[2]);
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ctx->weather_system->set_time(2017, 8, 21, 5, 0, 0.0, -7.0);
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ctx->weather_system->set_sky_palette(ctx->biome->sky_palette);
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ctx->weather_system->set_sun_palette(ctx->biome->sun_palette);
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ctx->weather_system->set_ambient_palette(ctx->biome->ambient_palette);
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ctx->weather_system->set_moon_palette(ctx->biome->moon_palette);
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ctx->weather_system->set_shadow_palette(ctx->biome->shadow_palette);
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resource_manager* resource_manager = ctx->resource_manager;
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entt::registry& ecs_registry = *ctx->ecs_registry;
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// Load entity archetypes
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ecs::archetype* ant_hill_archetype = resource_manager->load<ecs::archetype>("ant-hill.ent");
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ecs::archetype* maple_tree_archetype = resource_manager->load<ecs::archetype>("maple-tree.ent");
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ecs::archetype* nest_archetype = resource_manager->load<ecs::archetype>("harvester-nest.ent");
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ecs::archetype* samara_archetype = resource_manager->load<ecs::archetype>("samara.ent");
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ecs::archetype* forceps_archetype = resource_manager->load<ecs::archetype>("forceps.ent");
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ecs::archetype* lens_archetype = resource_manager->load<ecs::archetype>("lens.ent");
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ecs::archetype* brush_archetype = resource_manager->load<ecs::archetype>("brush.ent");
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ecs::archetype* marker_archetype = resource_manager->load<ecs::archetype>("marker.ent");
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ecs::archetype* container_archetype = resource_manager->load<ecs::archetype>("container.ent");
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ecs::archetype* twig_archetype = resource_manager->load<ecs::archetype>("twig.ent");
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ecs::archetype* larva_archetype = resource_manager->load<ecs::archetype>("larva.ent");
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ecs::archetype* pebble_archetype = resource_manager->load<ecs::archetype>("pebble.ent");
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ecs::archetype* flashlight_archetype = resource_manager->load<ecs::archetype>("flashlight.ent");
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ecs::archetype* flashlight_light_cone_archetype = resource_manager->load<ecs::archetype>("flashlight-light-cone.ent");
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ecs::archetype* lens_light_cone_archetype = resource_manager->load<ecs::archetype>("lens-light-cone.ent");
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ecs::archetype* ant_head_archetype = resource_manager->load<ecs::archetype>("ant-head.ent");
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ecs::archetype* dandelion_plant_archetype = resource_manager->load<ecs::archetype>("dandelion-plant.ent");
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ecs::archetype* grassland_road_archetype = resource_manager->load<ecs::archetype>("grassland-road.ent");
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// Create tools
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forceps_archetype->assign(ecs_registry, ctx->forceps_entity);
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lens_archetype->assign(ecs_registry, ctx->lens_entity);
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brush_archetype->assign(ecs_registry, ctx->brush_entity);
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marker_archetype->assign(ecs_registry, ctx->marker_entity);
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container_archetype->assign(ecs_registry, ctx->container_entity);
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twig_archetype->assign(ecs_registry, ctx->twig_entity);
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// Create flashlight and light cone, set light cone parent to flashlight, and move both to underworld scene
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flashlight_archetype->assign(ecs_registry, ctx->flashlight_entity);
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auto flashlight_light_cone = flashlight_light_cone_archetype->create(ecs_registry);
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ec::parent(ecs_registry, flashlight_light_cone, ctx->flashlight_entity);
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ec::assign_render_layers(ecs_registry, ctx->flashlight_entity, 2);
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// Make lens tool's model instance unculled, so its shadow is always visible.
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model_instance* lens_model_instance = ctx->render_system->get_model_instance(ctx->lens_entity);
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if (lens_model_instance)
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{
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lens_model_instance->set_culling_mask(&ctx->no_cull);
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}
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// Create lens light cone and set its parent to lens
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auto lens_light_cone = lens_light_cone_archetype->create(ecs_registry);
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//ec::bind_transform(ecs_registry, lens_light_cone, ctx->lens_entity);
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ec::parent(ecs_registry, lens_light_cone, ctx->lens_entity);
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// Hide inactive tools
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ec::assign_render_layers(ecs_registry, ctx->forceps_entity, 0);
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ec::assign_render_layers(ecs_registry, ctx->brush_entity, 0);
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ec::assign_render_layers(ecs_registry, ctx->lens_entity, 0);
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ec::assign_render_layers(ecs_registry, ctx->marker_entity, 0);
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ec::assign_render_layers(ecs_registry, ctx->container_entity, 0);
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ec::assign_render_layers(ecs_registry, ctx->twig_entity, 0);
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// Activate brush tool
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ctx->tool_system->set_active_tool(ctx->brush_entity);
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// Create background
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for (int i = 0; i < 4; ++i)
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{
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auto road_entity = grassland_road_archetype->create(ecs_registry);
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auto& transform = ecs_registry.get<ecs::transform_component>(road_entity);
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math::quaternion<float> rotation = math::angle_axis(math::half_pi<float> * static_cast<float>(i), float3{0, 1, 0});
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float3 translation = rotation * float3{0, 0, 1600.0f};
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transform.local = math::identity_transform<float>;
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transform.local.rotation = rotation;
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transform.local.translation = translation;
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}
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// Create ant-hill
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auto ant_hill_entity = ant_hill_archetype->create(ecs_registry);
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ec::place(ecs_registry, ant_hill_entity, {0, 0});
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// Generate pebbles
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float pebble_radius = 300.0f;
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int pebble_count = 20;
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for (int i = 0; i < pebble_count; ++i)
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{
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float x = math::random(-pebble_radius, pebble_radius);
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float z = math::random(-pebble_radius, pebble_radius);
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auto pebble_entity = ant_head_archetype->create(ecs_registry);
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auto& transform = ecs_registry.get<ecs::transform_component>(pebble_entity);
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transform.local = math::identity_transform<float>;
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transform.local.rotation = math::angle_axis(math::random(0.0f, math::two_pi<float>), {0, 1, 0});
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transform.local.scale = float3{1, 1, 1} * math::random(0.75f, 1.25f);
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ec::place(ecs_registry, pebble_entity, {x, z});
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}
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// Create maple tree
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auto maple_tree_entity = maple_tree_archetype->create(ecs_registry);
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ec::place(ecs_registry, maple_tree_entity, {300, 200});
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// Creat nest
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auto nest_entity = nest_archetype->create(ecs_registry);
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// Create terrain
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int terrain_radius = 8;
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for (int x = -terrain_radius; x <= terrain_radius; ++x)
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{
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for (int z = -terrain_radius; z <= terrain_radius; ++z)
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{
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ecs::terrain_component terrain_component;
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terrain_component.subdivisions = TERRAIN_PATCH_RESOLUTION;
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terrain_component.x = x;
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terrain_component.z = z;
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auto terrain_entity = ecs_registry.create();
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ecs_registry.assign<ecs::terrain_component>(terrain_entity, terrain_component);
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}
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}
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// Create samaras
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for (int i = 0; i < 15; ++i)
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{
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auto samara_entity = samara_archetype->create(ecs_registry);
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auto& transform = ecs_registry.get<ecs::transform_component>(samara_entity);
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float zone = 200.0f;
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transform.local = math::identity_transform<float>;
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transform.local.translation.x = math::random(-zone, zone);
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transform.local.translation.y = math::random(50.0f, 150.0f);
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transform.local.translation.z = math::random(-zone, zone);
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ecs::samara_component samara_component;
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samara_component.angle = math::random(0.0f, math::radians(360.0f));
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samara_component.direction = math::normalize(float3{math::random(-1.0f, 1.0f), math::random(-1.0f, -5.0f), math::random(-1.0f, 1.0f)});
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samara_component.chirality = (math::random(0.0f, 1.0f) < 0.5f) ? -1.0f : 1.0f;
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ecs_registry.assign_or_replace<ecs::samara_component>(samara_entity, samara_component);
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}
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// Setup camera focal point
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ecs::transform_component focal_point_transform;
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focal_point_transform.local = math::identity_transform<float>;
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focal_point_transform.warp = true;
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ecs::camera_follow_component focal_point_follow;
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ecs::snap_component focal_point_snap;
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focal_point_snap.ray = {float3{0, 10000, 0}, float3{0, -1, 0}};
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focal_point_snap.warp = false;
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focal_point_snap.relative = true;
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focal_point_snap.autoremove = false;
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ecs_registry.assign_or_replace<ecs::transform_component>(ctx->focal_point_entity, focal_point_transform);
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ecs_registry.assign_or_replace<ecs::camera_follow_component>(ctx->focal_point_entity, focal_point_follow);
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ecs_registry.assign_or_replace<ecs::snap_component>(ctx->focal_point_entity, focal_point_snap);
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// Setup camera
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ctx->overworld_camera->look_at({0, 0, 1}, {0, 0, 0}, {0, 1, 0});
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ctx->camera_system->set_camera(ctx->overworld_camera);
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auto ant_head = ant_head_archetype->create(ecs_registry);
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ec::place(ecs_registry, ant_head, {50, 0});
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ctx->overworld_scene->update_tweens();
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// Allocate a nest
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nest* nest = new ::nest();
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// Setup initial nest parameters
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float tunnel_radius = 1.15f;
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nest->set_tunnel_radius(tunnel_radius);
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nest::shaft* central_shaft = nest->get_central_shaft();
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central_shaft->chirality = 1.0f;
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central_shaft->rotation = math::radians(0.0f);
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central_shaft->depth = {0.0f, 200.0f};
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central_shaft->radius = {15.0f, 15.0f};
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central_shaft->pitch = {40.0f, 40.0f};
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central_shaft->translation = {{{0.0f, 0.0f}, {0.0f, 0.0f}}};
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central_shaft->current_depth = 0.0f;
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for (std::size_t i = 0; i < 4; ++i)
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{
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nest::chamber chamber;
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chamber.shaft = central_shaft;
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chamber.depth = (i + 1) * 50.0f;
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chamber.rotation = math::radians(0.0f);
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chamber.inner_radius = 4.0f;
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chamber.outer_radius = 10.0f;
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central_shaft->chambers.push_back(chamber);
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}
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// Dig nest shafts
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float shift = 0.1f;
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for (int i = 0; i < 800; ++i)
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{
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ecs::cavity_component cavity;
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cavity.position = nest->extend_shaft(*nest->get_central_shaft());
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cavity.position += float3{math::random(-shift, shift), math::random(-shift, shift), math::random(-shift, shift)};
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cavity.radius = tunnel_radius * math::random(1.0f, 1.1f);
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ecs_registry.assign<ecs::cavity_component>(ecs_registry.create(), cavity);
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}
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// Dig nest chambers
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/*
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for (int i = 0; i < central_shaft->chambers.size(); ++i)
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{
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for (int j = 0; j < 150; ++j)
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{
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ecs::cavity_component cavity;
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cavity.position = nest->expand_chamber(central_shaft->chambers[i]);
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cavity.position += float3{math::random(-shift, shift), math::random(-shift, shift), math::random(-shift, shift)};
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cavity.radius = tunnel_radius * math::random(1.0f, 1.1f);
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ecs_registry.assign<ecs::cavity_component>(ecs_registry.create(), cavity);
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}
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}
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*/
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// Place larva in chamber
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{
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auto larva = larva_archetype->create(ecs_registry);
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ec::assign_render_layers(ecs_registry, larva, 1);
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ec::warp_to(ecs_registry, larva, {50, 0.1935f, 10});
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//auto& transform = ecs_registry.get<ecs::transform_component>(larva_entity);
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//transform.transform = math::identity_transform<float>;
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//transform.transform.translation = nest->get_shaft_position(*central_shaft, central_shaft->depth[1]);
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//transform.transform.translation.y -= 1.0f;
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}
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auto dandelion_plant = dandelion_plant_archetype->create(ecs_registry);
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ec::place(ecs_registry, dandelion_plant, {55, -30});
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control_system* control_system = ctx->control_system;
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control_system->update(0.0, 0.0);
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control_system->set_nest(nest);
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// Start fade in
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ctx->fade_transition->transition(1.0f, true, ease<float>::in_quad);
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logger->pop_task(EXIT_SUCCESS);
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std::string biome_name = (*ctx->strings)[ctx->biome->name];
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logger->log("Entered biome \"" + biome_name + "\"");
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}
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void play_state_exit(game_context* ctx)
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{
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logger* logger = ctx->logger;
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logger->push_task("Exiting play state");
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logger->pop_task(EXIT_SUCCESS);
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}
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