buildat/games/digger/worldgen/worldgen.cpp

341 lines
9.9 KiB
C++

#include "core/log.h"
#include "client_file/api.h"
#include "network/api.h"
#include "replicate/api.h"
#include "voxelworld/api.h"
#include "main_context/api.h"
#include "interface/module.h"
#include "interface/server.h"
#include "interface/event.h"
#include "interface/mesh.h"
#include "interface/voxel.h"
#include "interface/noise.h"
#include "interface/voxel_volume.h"
#include <Scene.h>
#include <RigidBody.h>
#include <CollisionShape.h>
#include <ResourceCache.h>
#include <Context.h>
#include <StaticModel.h>
#include <Model.h>
#include <Material.h>
#include <Texture2D.h>
#include <Technique.h>
#include <cereal/archives/portable_binary.hpp>
#include <cereal/types/unordered_map.hpp>
#include <cereal/types/vector.hpp>
#define MODULE "worldgen"
namespace magic = Urho3D;
namespace pv = PolyVox;
using interface::Event;
using interface::VoxelInstance;
// TODO: Move to a header (core/types_polyvox.h or something)
#define PV3I_FORMAT "(%i, %i, %i)"
#define PV3I_PARAMS(p) p.getX(), p.getY(), p.getZ()
// TODO: Move to a header (core/cereal_polyvox.h or something)
namespace cereal {
template<class Archive>
void save(Archive &archive, const pv::Vector3DInt32 &v){
archive((int32_t)v.getX(), (int32_t)v.getY(), (int32_t)v.getZ());
}
template<class Archive>
void load(Archive &archive, pv::Vector3DInt32 &v){
int32_t x, y, z;
archive(x, y, z);
v.setX(x); v.setY(y); v.setZ(z);
}
}
namespace worldgen {
using namespace Urho3D;
struct Module: public interface::Module
{
interface::Server *m_server;
Module(interface::Server *server):
interface::Module(MODULE),
m_server(server)
{
}
~Module()
{}
void init()
{
m_server->sub_event(this, Event::t("core:start"));
m_server->sub_event(this, Event::t("core:continue"));
m_server->sub_event(this, Event::t("core:tick"));
m_server->sub_event(this, Event::t("voxelworld:generation_request"));
}
void event(const Event::Type &type, const Event::Private *p)
{
EVENT_VOIDN("core:start", on_start)
EVENT_VOIDN("core:continue", on_continue)
EVENT_TYPEN("voxelworld:generation_request",
on_generation_request, voxelworld::GenerationRequest)
}
void on_start()
{
// Define voxels on core:start (woxelworld will restore them on reload)
voxelworld::access(m_server, [&](voxelworld::Interface *ivoxelworld)
{
interface::VoxelRegistry *voxel_reg = ivoxelworld->get_voxel_reg();
{
interface::VoxelDefinition vdef;
vdef.name.block_name = "air";
vdef.name.segment_x = 0;
vdef.name.segment_y = 0;
vdef.name.segment_z = 0;
vdef.name.rotation_primary = 0;
vdef.name.rotation_secondary = 0;
vdef.handler_module = "";
for(size_t i = 0; i < 6; i++){
interface::AtlasSegmentDefinition &seg = vdef.textures[i];
seg.resource_name = "";
seg.total_segments = magic::IntVector2(0, 0);
seg.select_segment = magic::IntVector2(0, 0);
}
vdef.edge_material_id = interface::EDGEMATERIALID_EMPTY;
voxel_reg->add_voxel(vdef); // id 1
}
{
interface::VoxelDefinition vdef;
vdef.name.block_name = "rock";
vdef.name.segment_x = 0;
vdef.name.segment_y = 0;
vdef.name.segment_z = 0;
vdef.name.rotation_primary = 0;
vdef.name.rotation_secondary = 0;
vdef.handler_module = "";
for(size_t i = 0; i < 6; i++){
interface::AtlasSegmentDefinition &seg = vdef.textures[i];
seg.resource_name = "main/rock.png";
seg.total_segments = magic::IntVector2(1, 1);
seg.select_segment = magic::IntVector2(0, 0);
}
vdef.edge_material_id = interface::EDGEMATERIALID_GROUND;
vdef.physically_solid = true;
voxel_reg->add_voxel(vdef); // id 2
}
{
interface::VoxelDefinition vdef;
vdef.name.block_name = "dirt";
vdef.name.segment_x = 0;
vdef.name.segment_y = 0;
vdef.name.segment_z = 0;
vdef.name.rotation_primary = 0;
vdef.name.rotation_secondary = 0;
vdef.handler_module = "";
for(size_t i = 0; i < 6; i++){
interface::AtlasSegmentDefinition &seg = vdef.textures[i];
seg.resource_name = "main/dirt.png";
seg.total_segments = magic::IntVector2(1, 1);
seg.select_segment = magic::IntVector2(0, 0);
}
vdef.edge_material_id = interface::EDGEMATERIALID_GROUND;
vdef.physically_solid = true;
voxel_reg->add_voxel(vdef); // id 3
}
{
interface::VoxelDefinition vdef;
vdef.name.block_name = "grass";
vdef.name.segment_x = 0;
vdef.name.segment_y = 0;
vdef.name.segment_z = 0;
vdef.name.rotation_primary = 0;
vdef.name.rotation_secondary = 0;
vdef.handler_module = "";
for(size_t i = 0; i < 6; i++){
interface::AtlasSegmentDefinition &seg = vdef.textures[i];
seg.resource_name = "main/grass.png";
seg.total_segments = magic::IntVector2(1, 1);
seg.select_segment = magic::IntVector2(0, 0);
}
vdef.edge_material_id = interface::EDGEMATERIALID_GROUND;
vdef.physically_solid = true;
voxel_reg->add_voxel(vdef); // id 4
}
{
interface::VoxelDefinition vdef;
vdef.name.block_name = "leaves";
vdef.name.segment_x = 0;
vdef.name.segment_y = 0;
vdef.name.segment_z = 0;
vdef.name.rotation_primary = 0;
vdef.name.rotation_secondary = 0;
vdef.handler_module = "";
for(size_t i = 0; i < 6; i++){
interface::AtlasSegmentDefinition &seg = vdef.textures[i];
seg.resource_name = "main/leaves.png";
seg.total_segments = magic::IntVector2(1, 1);
seg.select_segment = magic::IntVector2(0, 0);
}
vdef.edge_material_id = interface::EDGEMATERIALID_GROUND;
vdef.physically_solid = true;
voxel_reg->add_voxel(vdef); // id 5
}
{
interface::VoxelDefinition vdef;
vdef.name.block_name = "tree";
vdef.name.segment_x = 0;
vdef.name.segment_y = 0;
vdef.name.segment_z = 0;
vdef.name.rotation_primary = 0;
vdef.name.rotation_secondary = 0;
vdef.handler_module = "";
for(size_t i = 0; i < 6; i++){
interface::AtlasSegmentDefinition &seg = vdef.textures[i];
seg.resource_name = "main/tree.png";
seg.total_segments = magic::IntVector2(1, 1);
seg.select_segment = magic::IntVector2(0, 0);
}
vdef.textures[0].resource_name = "main/tree_top.png";
vdef.textures[1].resource_name = "main/tree_top.png";
vdef.edge_material_id = interface::EDGEMATERIALID_GROUND;
vdef.physically_solid = true;
voxel_reg->add_voxel(vdef); // id 6
}
});
m_server->emit_event(Event("worldgen:voxels_defined"));
}
void on_continue()
{
}
void update_scene()
{
}
void on_generation_request(const voxelworld::GenerationRequest &event)
{
log_v(MODULE, "on_generation_request(): section_p: (%i, %i, %i)",
event.section_p.getX(), event.section_p.getY(),
event.section_p.getZ());
voxelworld::access(m_server, [&](voxelworld::Interface *ivoxelworld)
{
const pv::Vector3DInt16 &section_p = event.section_p;
pv::Region region = ivoxelworld->get_section_region_voxels(
section_p);
auto lc = region.getLowerCorner();
auto uc = region.getUpperCorner();
log_t(MODULE, "on_generation_request(): lc: (%i, %i, %i)",
lc.getX(), lc.getY(), lc.getZ());
log_t(MODULE, "on_generation_request(): uc: (%i, %i, %i)",
uc.getX(), uc.getY(), uc.getZ());
interface::v3f spread(160, 160, 160);
interface::NoiseParams np(0, 40, spread, 0, 7, 0.55);
int w = uc.getX() - lc.getX() + 1;
int d = uc.getZ() - lc.getZ() + 1;
interface::Noise noise(&np, 3, w, d);
noise.perlinMap2D(lc.getX() + spread.X/2, lc.getZ() + spread.Z/2);
noise.transformNoiseMap(); // ?
size_t noise_i = 0;
for(int z = lc.getZ(); z <= uc.getZ(); z++){
for(int x = lc.getX(); x <= uc.getX(); x++){
double a = noise.result[noise_i];
noise_i++;
for(int y = lc.getY(); y <= uc.getY(); y++){
pv::Vector3DInt32 p(x, y, z);
pv::Vector3DInt32 cp(-112, 20, 253);
if((p - cp).lengthSquared() < 30*30){
ivoxelworld->set_voxel(p, VoxelInstance(1));
continue;
}
if(y >= 2 && y <= 3 && z >= 256 && z <= 258 &&
x >= -112 && x <= -5){
ivoxelworld->set_voxel(p, VoxelInstance(1));
continue;
}
if(z > 37 && z < 50 && y > 20){
ivoxelworld->set_voxel(p, VoxelInstance(1));
continue;
}
if(x > 27 && x < 40 && y > 20){
ivoxelworld->set_voxel(p, VoxelInstance(1));
continue;
}
if(x > 18 && x < 25 && z >= 32 && z <= 37 &&
y > 20 && y < 25){
ivoxelworld->set_voxel(p, VoxelInstance(1));
continue;
}
if(y < a+5){
ivoxelworld->set_voxel(p, VoxelInstance(2));
} else if(y < a+10){
ivoxelworld->set_voxel(p, VoxelInstance(3));
} else if(y < a+11){
ivoxelworld->set_voxel(p, VoxelInstance(4));
} else {
ivoxelworld->set_voxel(p, VoxelInstance(1));
}
}
}
}
// Add random trees
auto extent = uc - lc + pv::Vector3DInt32(1, 1, 1);
int area = extent.getX() * extent.getZ();
auto pr = interface::PseudoRandom(13241);
for(int i = 0; i < area / 100; i++){
int x = pr.range(lc.getX(), uc.getX());
int z = pr.range(lc.getZ(), uc.getZ());
/*int y = 50;
for(; y>-50; y--){
pv::Vector3DInt32 p(x, y, z);
VoxelInstance v = ivoxelworld->get_voxel(p);
if(v.get_id() != 1)
break;
}
y++;*/
size_t noise_i = (z-lc.getZ())*d + (x-lc.getX());
double a = noise.result[noise_i];
int y = a + 11.0;
if(y < lc.getY() - 5 || y > uc.getY() - 5)
continue;
for(int y1 = y; y1<y+4; y1++){
pv::Vector3DInt32 p(x, y1, z);
ivoxelworld->set_voxel(p, VoxelInstance(6), true);
}
for(int x1 = x-2; x1 <= x+2; x1++){
for(int y1 = y+3; y1 <= y+7; y1++){
for(int z1 = z-2; z1 <= z+2; z1++){
pv::Vector3DInt32 p(x1, y1, z1);
ivoxelworld->set_voxel(p, VoxelInstance(5), true);
}
}
}
}
});
}
};
extern "C" {
BUILDAT_EXPORT void* createModule_worldgen(interface::Server *server){
return (void*)(new Module(server));
}
}
}
// vim: set noet ts=4 sw=4: