207 lines
8.1 KiB
C++
207 lines
8.1 KiB
C++
#include "behavior.h"
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#include "terrain.h"
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#include "generator.h"
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#include "region.h"
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#include "maze.h"
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#include <uf/utils/math/transform.h>
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#include <uf/utils/math/physics.h>
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#include <uf/engine/object/object.h>
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#include <uf/utils/window/window.h>
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#include <uf/utils/graphic/mesh.h>
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#include <uf/utils/graphic/graphic.h>
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#include <uf/utils/camera/camera.h>
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#include <uf/utils/math/collision.h>
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#include <uf/utils/thread/thread.h>
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#include <uf/utils/renderer/renderer.h>
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#include <uf/utils/string/hash.h>
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#include <sys/stat.h>
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EXT_BEHAVIOR_ENTITY_CPP_BEGIN(Terrain)
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#define this ((ext::Terrain*) &self)
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void ext::TerrainBehavior::initialize( uf::Object& self ) {
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// alias Mesh types
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uf::Serializer& metadata = this->getComponent<uf::Serializer>();
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std::size_t seed;
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if ( metadata["terrain"]["seed"].isUInt64() ) {
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seed = metadata["terrain"]["seed"].asUInt64();
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} else if ( metadata["terrain"]["seed"].isString() ) {
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seed = std::hash<std::string>{}( metadata["terrain"]["seed"].asString() );
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}
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{
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std::cout << "Seed: " << seed << std::endl;
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ext::TerrainGenerator::noise.seed( seed );
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}
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/* setup folder */ {
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uf::Serializer modifiers;
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modifiers["terrain"]["seed"] = metadata["terrain"]["seed"];
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modifiers["region"]["size"] = metadata["region"]["size"];
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modifiers["region"]["subdivisions"] = metadata["region"]["subdivisions"];
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modifiers["region"]["modulus"] = metadata["region"]["modulus"];
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std::string input = modifiers;
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metadata["system"]["hash"] = uf::string::sha256( input );
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try {
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std::string save = "./data/save/" + metadata["system"]["hash"].asString() + "/";
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int status = mkdir(save.c_str());
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} catch ( ... ) {
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}
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try {
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std::string save = "./data/save/" + metadata["system"]["hash"].asString() + "/regions/";
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int status = mkdir(save.c_str());
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} catch ( ... ) {
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}
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}
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// setup maze
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{
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ext::Maze& maze = this->getComponent<ext::Maze>();
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maze.initialize(8, 8, 1, 0.5, 0.5);
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maze.seed = seed;
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maze.build();
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maze.print();
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}
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metadata["system"]["state"] = "preinit";
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metadata["system"]["modified"] = true;
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this->addHook( "system:TickRate.Restore", [&](const std::string& event)->std::string{
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std::cout << "Returning limiter from " << uf::thread::limiter << " to " << metadata["system"]["limiter"].asFloat() << std::endl;
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uf::thread::limiter = metadata["system"]["limiter"].asFloat();
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return "true";
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});
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this->addHook( "terrain:Post-Initialize.%UID%", [&](const std::string& event)->std::string{
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this->generate();
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/*
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auto& parent = this->getParent().as<uf::Object>();
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auto& metadata = parent.getComponent<uf::Serializer>();
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parent.queueHook("system:Load.Finished.%UID%");
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*/
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return "true";
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});
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}
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void ext::TerrainBehavior::tick( uf::Object& self ) {
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auto& scene = uf::scene::getCurrentScene();
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uf::Object& controller = scene.getController<uf::Object>();
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uf::Serializer& metadata = this->getComponent<uf::Serializer>();
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pod::Thread& mainThread = uf::thread::has("Main") ? uf::thread::get("Main") : uf::thread::create( "Main", false, true );
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// lambda to transition from a resolving state
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auto transitionState = [&]( ext::Terrain& that, const std::string& next, bool unresolved ){
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uf::Serializer& metadata = that.getComponent<uf::Serializer>();
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// uf::thread::add( mainThread, [&]() -> int {
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// std::cout << "Transitioning: " << metadata["system"]["state"].asString() << " -> ";
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metadata["system"]["state"] = unresolved ? next : "open";
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metadata["system"]["modified"] = unresolved;
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// std::cout << metadata["system"]["state"].asString() << std::endl;
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// return 0;}, true );
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};
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// lambda to transition into a resolving state
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auto transitionResolvingState = [&]( ext::Terrain& that ){
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uf::Serializer& metadata = that.getComponent<uf::Serializer>();
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// std::cout << "Resolving: " << metadata["system"]["state"].asString() << " -> ";
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metadata["system"]["state"] = "resolving:" + metadata["system"]["state"].asString();
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// std::cout << metadata["system"]["state"].asString() << std::endl;
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};
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// lambda for sorting regions, nearest to farthest, from the controller
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auto sortRegions = [&]( uf::Object& controller, std::vector<uf::Object*>& regions ){
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const pod::Vector3& position = controller.getComponent<pod::Transform<>>().position;
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std::sort( regions.begin(), regions.end(), [&]( const uf::Object* l, const uf::Object* r ){
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if ( !l ) return false; if ( !r ) return true;
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if ( !l->hasComponent<pod::Transform<>>() ) return false; if ( !r->hasComponent<pod::Transform<>>() ) return true;
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return uf::vector::magnitude( uf::vector::subtract( l->getComponent<pod::Transform<>>().position, position ) ) < uf::vector::magnitude( uf::vector::subtract( r->getComponent<pod::Transform<>>().position, position ) );
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} );
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};
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// generate initial terrain
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if ( metadata["system"]["state"] == "preinit" ) {
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uf::Entity* controller = scene.findByName("Player");
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if ( controller ) {
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transitionState(*this, "initialize", true);
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this->generate(true);
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this->relocateChildren();
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// this->queueHook("terrain:Post-Initialize.%UID%", "", 1.0f);
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this->callHook("terrain:Post-Initialize.%UID%");
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}
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}
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// process only if there's child regions
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if ( this->getChildren().empty() ) return;
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// multipurpose timer
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static uf::Timer<long long> timer(false);
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// open gamestate, look for work
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if ( metadata["system"]["state"] == "open" ) { transitionResolvingState(*this);
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// cleanup orphans
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{
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}
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// remove regions too far
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{
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std::vector<pod::Vector3i> locations;
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for ( uf::Entity* region : this->getChildren() ) { if ( !region || region->getName() != "Region" ) continue;
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const pod::Transform<>& transform = region->getComponent<pod::Transform<>>();
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pod::Vector3i location = {
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(int) transform.position.x / metadata["region"]["size"][0].asInt(),
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(int) transform.position.y / metadata["region"]["size"][1].asInt(),
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(int) transform.position.z / metadata["region"]["size"][2].asInt()
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};
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// location too far
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bool degenerate = !this->inBounds( location );
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// keep if an entity requests for it
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for ( uf::Entity* entity : region->getChildren() ) { if ( !entity ) continue;
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uf::Serializer& metadata = entity->getComponent<uf::Serializer>();
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if ( metadata["region"].isObject() && metadata["region"]["persist"].asBool() ) {
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degenerate = false;
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break;
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}
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}
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if ( degenerate )
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locations.push_back(location);
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}
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// load new regions, remove old regions
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if ( !locations.empty() ) {
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this->generate();
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for ( pod::Vector3i& location : locations )
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this->degenerate(location);
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}
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// move to next state:
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transitionState(*this, "initialize", !locations.empty());
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}
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}
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// initialize new regions
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if ( metadata["system"]["state"] == "initialize" ) { transitionResolvingState(*this);
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uf::thread::add( uf::thread::fetchWorker(), [&]() -> int {
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std::vector<uf::Object*> regions;
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// retrieve changed regions
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for ( uf::Entity* region : this->getChildren() ) { if ( !region ) continue;
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uf::Serializer& metadata = region->getComponent<uf::Serializer>();
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// if ( metadata["region"]["location"].isObject() )
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regions.push_back((uf::Object*) region);
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}
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// sort by closest to farthest
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sortRegions(controller, regions);
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// initialize uninitialized regions
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for ( uf::Object* region : regions ) {
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// uf::thread::add( uf::thread::fetchWorker(), [&]() -> int {
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uf::Serializer& metadata = region->getComponent<uf::Serializer>();
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if ( !metadata["region"]["initialized"].asBool() ) region->initialize();
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if ( !metadata["region"]["generated"].asBool() ) region->callHook("region:Generate.%UID%", "");
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if ( !metadata["region"]["rasterized"].asBool() ) region->callHook("region:Rasterize.%UID%", "");
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// return 0;}, true );
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}
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// move to next state:
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transitionState(*this, "open", !regions.empty());
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return 0;}, true );
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}
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// check if we need to relocate entities
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this->relocateChildren();
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}
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void ext::TerrainBehavior::render( uf::Object& self ){}
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void ext::TerrainBehavior::destroy( uf::Object& self ){}
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#undef this
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EXT_BEHAVIOR_ENTITY_CPP_END(Terrain) |