437 lines
18 KiB
C++
437 lines
18 KiB
C++
#include "terrain.h"
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#include "../../ext.h"
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#include "generator.h"
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#include "region.h"
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#include <uf/utils/window/window.h>
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void ext::Terrain::initialize() {
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ext::Object::initialize();
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this->m_name = "Terrain";
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this->generate();
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this->relocatePlayer();
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uf::Serializer& metadata = this->getComponent<uf::Serializer>();
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metadata["terrain"]["state"] = "modified:1";
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}
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#include <uf/utils/thread/thread.h>
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void ext::Terrain::tick() {
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uf::Entity::tick();
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if ( this->m_children.empty() ) return;
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ext::World& parent = this->getRootParent<ext::World>();
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const pod::Transform<>& player = parent.getPlayer().getComponent<pod::Transform<>>();
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uf::Serializer& metadata = this->getComponent<uf::Serializer>();
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/* Debug Information */ {
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/* Terrain Metadata */ {
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static uf::Timer<long long> timer(false);
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if ( !timer.running() ) timer.start();
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if ( uf::Window::isKeyPressed("L") && timer.elapsed().asDouble() >= 1 ) { timer.reset();
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std::cout << metadata << std::endl;
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}
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}
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/* Terrain Reset */ {
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static uf::Timer<long long> timer(false);
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if ( !timer.running() ) timer.start();
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if ( uf::Window::isKeyPressed("G") && timer.elapsed().asDouble() >= 1 ) { timer.reset();
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std::cout << "Regenerating ";
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uint i = 0;
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/* Retrieve changed regions */ for ( uf::Entity* kv : this->m_children ) { if ( !kv ) continue; if ( kv->getName() != "Region" ) continue;
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uf::Serializer& rMetadata = kv->getComponent<uf::Serializer>();
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if ( !rMetadata["region"]["initialized"].asBool() ) continue;
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rMetadata["region"]["modified"] = true;
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rMetadata["region"]["rasterized"] = false;
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// kv->getComponent<uf::Mesh>().clear();
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// kv->getComponent<uf::Mesh>().destroy();
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// kv->getComponent<uf::Mesh>() = uf::Mesh();
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++i;
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}
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// this->getComponent<uf::Mesh>().clear();
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// this->getComponent<uf::Mesh>().destroy();
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metadata["terrain"]["modified"] = true;
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std::cout << i << " regions" << std::endl;
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}
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}
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}
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// Open Gamestate: Handles creating and destroying region entities
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if ( metadata["terrain"]["state"] == "open" ) { metadata["terrain"]["state"] = "resolving:" + metadata["terrain"]["state"].asString();
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/* Create/Destroy Regions */ {
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/* Cleanup orphans */ uf::thread::add( uf::thread::has("Main") ? uf::thread::get("Main") : uf::thread::create( "Main", false, true ), [&]() -> int {
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std::vector<uf::Entity*> orphans;
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for ( uf::Entity* e : uf::Entity::entities ) {
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if ( !e ) continue;
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if ( e->hasParent() ) continue;
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if ( e->getName() != "Region" ) continue;
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orphans.push_back(e);
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}
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for ( uf::Entity* e : orphans ) {
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e->destroy<ext::Region>();
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}
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return 0;}, true );
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std::vector<pod::Vector3i> locations;
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for ( uf::Entity* kv : this->m_children ) {
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if ( !kv ) continue;
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if ( kv->getName() != "Region" ) continue;
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const pod::Transform<>& transform = kv->getComponent<pod::Transform<>>();
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pod::Vector3i location = { (int) transform.position.x / metadata["region"]["size"][0].asInt(), (int) transform.position.y / metadata["region"]["size"][1].asInt(), (int) transform.position.z / metadata["region"]["size"][2].asInt() };
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if ( !this->inBounds( location ) ) locations.push_back(location);
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}
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bool resolved = !metadata["terrain"]["modified"].asBool();
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if ( !locations.empty() ) {
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this->generate();
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for ( pod::Vector3i& location : locations ) this->degenerate(location);
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resolved = false;
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}
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uf::thread::add( uf::thread::has("Main") ? uf::thread::get("Main") : uf::thread::create( "Main", false, true ), [&]() -> int {
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metadata["terrain"]["state"] = resolved ? "open" : "modified:1";
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metadata["terrain"]["modified"] = !resolved;
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return 0;}, true );
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}
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}
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// Handles initializing regions
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if ( metadata["terrain"]["state"] == "modified:1" ) { metadata["terrain"]["state"] = "resolving:" + metadata["terrain"]["state"].asString();
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bool resolved = true;
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/* Process new regions */ {
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for ( uf::Entity* kv : this->m_children ) { if ( !kv ) continue;
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ext::Region& region = *((ext::Region*) kv);
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uf::Serializer& rMetadata = kv->getComponent<uf::Serializer>();
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if ( !rMetadata["region"]["initialized"].asBool() ) region.initialize();
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if ( rMetadata["region"]["modified"].asBool() ) resolved = false;
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}
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uf::thread::add( uf::thread::has("Main") ? uf::thread::get("Main") : uf::thread::create( "Main", false, true ), [&]() -> int {
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metadata["terrain"]["state"] = resolved ? "open" : "modified:2";
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metadata["terrain"]["modified"] = !resolved;
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return 0;}, true );
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}
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}
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// Handles generation of region meshes; deferred to separate state to ensure neighbors are accurate
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if ( metadata["terrain"]["state"] == "modified:2" ) { metadata["terrain"]["state"] = "resolving:" + metadata["terrain"]["state"].asString();
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/* Process changed regions */ if ( metadata["terrain"]["modified"].asBool() ) {
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std::vector<uf::Entity*> regions;
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/* Retrieve changed regions */ for ( uf::Entity* kv : this->m_children ) { if ( !kv ) continue; if ( kv->getName() != "Region" ) continue;
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uf::Serializer& rMetadata = kv->getComponent<uf::Serializer>();
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if ( !rMetadata["region"]["initialized"].asBool() ) continue;
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if ( rMetadata["region"]["modified"].asBool() || !rMetadata["region"]["rasterized"].asBool() ) {
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regions.push_back(kv);
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}
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}
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/* Sort by closest to farthest */ {
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const ext::World& world = this->getRootParent<ext::World>();
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const ext::Player& player = world.getPlayer();
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const pod::Vector3& position = player.getComponent<pod::Transform<>>().position;
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std::sort( regions.begin(), regions.end(), [&]( const uf::Entity* l, const uf::Entity* 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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/* Update meshes */ {
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for ( uf::Entity* pointer : regions ) { ext::Region& region = *((ext::Region*) pointer);
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uf::Serializer& rMetadata = region.getComponent<uf::Serializer>();
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rMetadata["region"]["rasterized"] = false;
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uf::Mesh& mesh = region.getComponent<uf::Mesh>() = uf::Mesh();
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ext::TerrainGenerator& generator = region.getComponent<ext::TerrainGenerator>();
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uf::thread::add( uf::thread::has("Aux") ? uf::thread::get("Aux") : uf::thread::create( "Aux", true, false ), [&]() -> int {
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uf::Mesh nesh;
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generator.rasterize(nesh, region, false, false );
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mesh.copy(nesh);
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uf::thread::add( uf::thread::has("Main") ? uf::thread::get("Main") : uf::thread::create( "Main", false, true ), [&]() -> int {
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// mesh.index();
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mesh.generate();
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rMetadata["region"]["rasterized"] = true;
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rMetadata["region"]["unified"] = false;
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return 0;}, true );
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return 0;}, true );
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rMetadata["region"]["modified"] = false;
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}
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bool resolved = true;
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if ( !regions.empty() ) {
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resolved = false;
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// this->getComponent<uf::Mesh>() = uf::Mesh();
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}
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uf::thread::add( uf::thread::has("Aux") ? uf::thread::get("Aux") : uf::thread::create( "Aux", true, false ), [&]() -> int {
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uf::thread::add( uf::thread::has("Main") ? uf::thread::get("Main") : uf::thread::create( "Main", false, true ), [&]() -> int {
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metadata["terrain"]["state"] = resolved ? "open" : "modified:3";
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metadata["terrain"]["modified"] = false;
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return 0;}, true );
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return 0;}, true );
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}
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}
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}
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// Handles generating unified mesh; deferred to ensure all active regions possesses geometry
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if ( metadata["terrain"]["state"] == "modified:3" ) { metadata["terrain"]["state"] = "resolving:" + metadata["terrain"]["state"].asString();
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/* Update unified mesh */ if ( metadata["terrain"]["unified"].asBool() ) {
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uf::thread::add( uf::thread::has("Aux") ? uf::thread::get("Aux") : uf::thread::create( "Aux", true, false ), [&]() -> int {
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uf::thread::add( uf::thread::has("Main") ? uf::thread::get("Main") : uf::thread::create( "Main", false, true ), [&]() -> int {
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uf::Mesh& mesh = this->getComponent<uf::Mesh>() = uf::Mesh();
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uf::Mesh nesh;
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for ( uf::Entity* kv : this->m_children ) { if ( !kv ) continue; if ( kv->getName() != "Region" ) continue;
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uf::Serializer& rMetadata = kv->getComponent<uf::Serializer>();
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uf::Mesh& rMesh = kv->getComponent<uf::Mesh>();
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nesh.insert(rMesh);
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rMetadata["region"]["unified"] = true;
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}
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mesh.copy(nesh);
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mesh.generate();
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metadata["terrain"]["state"] = "open";
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std::cout << "Finished!" << std::endl;
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return 0;}, true );
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return 0;}, true );
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} else {
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metadata["terrain"]["state"] = "open";
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}
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}
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this->relocatePlayer();
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}
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void ext::Terrain::render() {
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if ( !this->m_parent ) return; if ( this->m_children.empty() ) return;
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uf::Entity::render();
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if ( !this->hasComponent<uf::Mesh>() ) return;
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if ( !this->getComponent<uf::Mesh>().generated() ) return;
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ext::World& root = this->getRootParent<ext::World>();
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pod::Transform<>& transform = this->getComponent<pod::Transform<>>();
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uf::Shader& shader = this->getComponent<uf::Shader>();
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uf::Camera& camera = root.getCamera(); //root.getPlayer().getComponent<uf::Camera>();
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uf::Mesh& mesh = this->getComponent<uf::Mesh>();
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int slot = 0;
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if ( this->hasComponent<uf::Texture>() ) {
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uf::Texture& texture = this->getComponent<uf::Texture>();
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texture.bind(slot);
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}
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struct {
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int diffuse = 0; int specular = 1; int normal = 2;
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} slots;
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if ( this->hasComponent<uf::Material>() ) {
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uf::Material& material = this->getComponent<uf::Material>();
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material.bind(slots.diffuse, slots.specular, slots.normal);
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}
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shader.bind(); {
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camera.update();
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shader.push("model", uf::matrix::identity());
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shader.push("view", camera.getView());
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shader.push("projection", camera.getProjection());
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if ( this->hasComponent<uf::Texture>() ) shader.push("texture", slot);
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if ( this->hasComponent<uf::Material>() ) {
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if ( slots.diffuse >= 0 ) shader.push("diffuse", slots.diffuse);
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if ( slots.specular >= 0 ) shader.push("specular", slots.specular);
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if ( slots.normal >= 0 ) shader.push("normal", slots.normal);
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}
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}
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mesh.render();
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}
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void ext::Terrain::relocatePlayer() {
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ext::World& parent = this->getRootParent<ext::World>();
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ext::Player& player = parent.getPlayer();
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const pod::Transform<>& transform = player.getComponent<pod::Transform<>>();
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uf::Serializer& metadata = this->getComponent<uf::Serializer>();
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pod::Vector3ui size = {
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metadata["region"]["size"][0].asUInt(),
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metadata["region"]["size"][1].asUInt(),
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metadata["region"]["size"][2].asUInt(),
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};
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pod::Vector3 pointf = uf::vector::divide(transform.position, {size.x, size.y, size.z});
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pod::Vector3i point = {
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(int) (pointf.x + (pointf.x > 0 ? 0.5 : -0.5)),
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(int) (pointf.y + (pointf.y > 0 ? 0.5 : -0.5)),
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(int) (pointf.z + (pointf.z > 0 ? 0.5 : -0.5)),
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};
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if ( !this->exists(point) ) return; // oops
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ext::Region& region = *this->at(point);
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bool should = false;
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if ( player.getParent().getName() != "Region" ) should = true;
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else {
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ext::Region& current = player.getParent<ext::Region>();
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const pod::Transform<>& t = current.getComponent<pod::Transform<>>();
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pod::Vector3i location = {
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(int) (t.position.x / size.x),
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(int) (t.position.y / size.y),
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(int) (t.position.z / size.z),
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};
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if ( !uf::vector::equals( point, location ) ) should = true;
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}
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if ( should ) {
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region.moveChild(player);
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std::cout << "Relocating to (" << point.x << ", " << point.y << ", " << point.z << ")" << std::endl;
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}
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player.getComponent<uf::Camera>().update(true);
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}
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bool ext::Terrain::exists( const pod::Vector3i& position ) const {
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const uf::Serializer& metadata = this->getComponent<uf::Serializer>();
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pod::Vector3i size = {
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metadata["region"]["size"][0].asInt(),
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metadata["region"]["size"][1].asInt(),
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metadata["region"]["size"][2].asInt(),
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};
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if ( this->m_children.empty() ) return false;
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for ( auto it = this->m_children.begin(); it != this->m_children.end(); ++it ) { uf::Entity* kv = *it;
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const pod::Transform<>& transform = kv->getComponent<pod::Transform<>>();
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pod::Vector3i location = {
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(int) (transform.position.x / size.x),
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(int) (transform.position.y / size.y),
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(int) (transform.position.z / size.z),
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};
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if ( uf::vector::equals( location, position ) ) return true;
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}
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return false;
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}
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bool ext::Terrain::inBounds( const pod::Vector3i& position ) const {
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const ext::World& parent = this->getRootParent<ext::World>();
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const pod::Transform<>& player = parent.getPlayer().getComponent<pod::Transform<>>();
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const uf::Serializer& metadata = this->getComponent<uf::Serializer>();
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pod::Vector3ui size = {
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metadata["region"]["size"][0].asUInt(),
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metadata["region"]["size"][1].asUInt(),
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metadata["region"]["size"][2].asUInt(),
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};
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pod::Vector3ui threshold = {
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metadata["terrain"]["radius"][0].asUInt(),
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metadata["terrain"]["radius"][1].asUInt(),
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metadata["terrain"]["radius"][2].asUInt(),
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};
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pod::Vector3i point = {
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(int) (player.position.x / size.x),
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(int) (player.position.y / size.y),
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(int) (player.position.z / size.z),
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};
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pod::Vector3i difference = uf::vector::subtract( point, position );
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return !(abs(difference.x) >= threshold.x || abs(difference.y) >= threshold.y || abs(difference.z) >= threshold.z);
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}
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void ext::Terrain::generate() {
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uf::Serializer& metadata = this->getComponent<uf::Serializer>();
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pod::Vector3i radius = {
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metadata["terrain"]["radius"][0].asInt(),
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metadata["terrain"]["radius"][1].asInt(),
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metadata["terrain"]["radius"][2].asInt(),
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};
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pod::Vector3i size = {
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metadata["region"]["size"][0].asInt(),
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metadata["region"]["size"][1].asInt(),
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metadata["region"]["size"][2].asInt(),
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};
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ext::World& parent = this->getRootParent<ext::World>();
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const pod::Transform<>& player = parent.getPlayer().getComponent<pod::Transform<>>();
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pod::Vector3i location = {
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(int) player.position.x / size.x,
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(int) player.position.y / size.y,
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(int) player.position.z / size.z,
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};
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// uf::iostream << "Generating Regions @ ( " << location.x << ", " << location.y << ", " << location.z << ")" << "\n";
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for ( int x = 0; x < radius.x; ++x ) {
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for ( int y = 0; y < radius.y; ++y ) {
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for ( int z = 0; z < radius.z; ++z ) {
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this->generate( {location.x + x, location.y + y, location.z + z} );
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this->generate( {location.x - x, location.y - y, location.z - z} );
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this->generate( {location.x + x, location.y + y, location.z - z} );
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this->generate( {location.x - x, location.y + y, location.z + z} );
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this->generate( {location.x - x, location.y + y, location.z - z} );
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this->generate( {location.x + x, location.y - y, location.z + z} );
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this->generate( {location.x + x, location.y - y, location.z - z} );
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this->generate( {location.x - x, location.y - y, location.z + z} );
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}
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}
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}
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}
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ext::Region* ext::Terrain::at( const pod::Vector3i& position ) const {
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const uf::Serializer& metadata = this->getComponent<uf::Serializer>();
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pod::Vector3i size = {
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metadata["region"]["size"][0].asInt(),
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metadata["region"]["size"][1].asInt(),
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metadata["region"]["size"][2].asInt(),
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};
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if ( this->m_children.empty() ) return NULL;
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for ( auto it = this->m_children.begin(); it != this->m_children.end(); ++it ) { uf::Entity* kv = *it;
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const pod::Transform<>& transform = kv->getComponent<pod::Transform<>>();
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pod::Vector3i location = {
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(int) (transform.position.x / size.x),
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(int) (transform.position.y / size.y),
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(int) (transform.position.z / size.z),
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};
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if ( uf::vector::equals( location, position ) ) return (ext::Region*) kv;
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}
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return NULL;
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}
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void ext::Terrain::generate( const pod::Vector3i& position ) {
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uf::Serializer& metadata = this->getComponent<uf::Serializer>();
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pod::Vector3i size = {
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metadata["region"]["size"][0].asInt(),
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metadata["region"]["size"][1].asInt(),
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metadata["region"]["size"][2].asInt(),
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};
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if ( this->exists(position) ) return;
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if ( !this->inBounds(position) ) return;
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// uf::iostream << "Generating Region @ ( " << position.x << ", " << position.y << ", " << position.z << ")" << "\n";
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uf::Entity* base = new ext::Region; this->addChild(*base); {
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ext::Region& region = *((ext::Region*)base);
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uf::Serializer& m = region.getComponent<uf::Serializer>() = metadata;
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pod::Transform<>& transform = region.getComponent<pod::Transform<>>();
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transform.position.x = position.x * size.x;
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transform.position.y = position.y * size.y;
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transform.position.z = position.z * size.z;
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m["region"]["location"][0] = position.x;
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m["region"]["location"][1] = position.y;
|
|
m["region"]["location"][2] = position.z;
|
|
}
|
|
|
|
}
|
|
void ext::Terrain::degenerate( const pod::Vector3i& position ) {
|
|
if ( !this->exists( position ) ) return;
|
|
ext::Region* region = this->at( position );
|
|
if ( !region ) return;
|
|
this->removeChild( *region );
|
|
/*
|
|
uf::Serializer& metadata = this->getComponent<uf::Serializer>();
|
|
pod::Vector3i size = {
|
|
metadata["region"]["size"][0].asInt(),
|
|
metadata["region"]["size"][1].asInt(),
|
|
metadata["region"]["size"][2].asInt(),
|
|
};
|
|
if ( this->m_children.empty() ) return;
|
|
for ( auto it = this->m_children.begin(); it != this->m_children.end(); ++it ) { uf::Entity* kv = *it;
|
|
const pod::Transform<>& transform = kv->getComponent<pod::Transform<>>();
|
|
pod::Vector3i location = {
|
|
(int) (transform.position.x / size.x),
|
|
(int) (transform.position.y / size.y),
|
|
(int) (transform.position.z / size.z),
|
|
};
|
|
if ( uf::vector::equals( location, position ) ) {
|
|
for ( uf::Entity* e : kv->getChildren() ) if ( e->getName() == "Player" ) return;
|
|
|
|
this->removeChild(*it);
|
|
// *it = NULL;
|
|
// this->m_children.erase(it);
|
|
// delete kv;
|
|
break;
|
|
}
|
|
}
|
|
*/
|
|
} |