PulseStudio/VoxelEngine
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voxels renderer rebuilt, WorldFiles fix

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This commit is contained in:
MihailRis
2023-11-02 13:23:52 +03:00
committed by GitHub
parent 0576316282
commit 754c5b80d0
44 changed files with 1141 additions and 524 deletions
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src/files/WorldFiles.cpp
+76 -82
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@@ -4,12 +4,10 @@
#include "../window/Camera.h"
#include "../objects/Player.h"
#include "../physics/Hitbox.h"
#include "../voxels/voxel.h"
#include "../voxels/Chunk.h"
union {
long _key;
int _coords[2];
} _tempcoords;
#include "../typedefs.h"
#include "../voxmaths.h"
#include <cassert>
#include <iostream>
@@ -22,21 +20,25 @@ union {
#define SECTION_FLAGS 3
#define PLAYER_FLAG_FLIGHT 0x1
#define PLAYER_FLAG_NOCLIP 0x2
#define CHUNK_DATA_LEN (CHUNK_VOL*sizeof(voxel))
unsigned long WorldFiles::totalCompressed = 0;
using glm::ivec2;
using glm::vec3;
int bytes2Int(const unsigned char* src, unsigned int offset){
int64_t WorldFiles::totalCompressed = 0;
int bytes2Int(const ubyte* src, size_t offset){
return (src[offset] << 24) | (src[offset+1] << 16) | (src[offset+2] << 8) | (src[offset+3]);
}
void int2Bytes(int value, char* dest, unsigned int offset){
void int2Bytes(int value, ubyte* dest, size_t offset){
dest[offset] = (char) (value >> 24 & 255);
dest[offset+1] = (char) (value >> 16 & 255);
dest[offset+2] = (char) (value >> 8 & 255);
dest[offset+3] = (char) (value >> 0 & 255);
}
void floatToBytes(float fvalue, char* dest, unsigned int offset){
void floatToBytes(float fvalue, ubyte* dest, size_t offset){
uint32_t value = *((uint32_t*)&fvalue);
dest[offset] = (char) (value >> 24 & 255);
dest[offset+1] = (char) (value >> 16 & 255);
@@ -44,8 +46,7 @@ void floatToBytes(float fvalue, char* dest, unsigned int offset){
dest[offset+3] = (char) (value >> 0 & 255);
}
float bytes2Float(char* srcs, unsigned int offset){
unsigned char* src = (unsigned char*) srcs;
float bytes2Float(ubyte* src, uint offset){
uint32_t value = ((src[offset] << 24) |
(src[offset+1] << 16) |
(src[offset+2] << 8) |
@@ -54,15 +55,14 @@ float bytes2Float(char* srcs, unsigned int offset){
}
WorldFiles::WorldFiles(std::string directory, size_t mainBufferCapacity) : directory(directory){
mainBufferIn = new char[CHUNK_VOL*2];
mainBufferOut = new char[mainBufferCapacity];
mainBufferIn = new ubyte[CHUNK_DATA_LEN];
mainBufferOut = new ubyte[mainBufferCapacity];
}
WorldFiles::~WorldFiles(){
delete[] mainBufferIn;
delete[] mainBufferOut;
std::unordered_map<long, WorldRegion>::iterator it;
for (it = regions.begin(); it != regions.end(); it++){
for (auto it = regions.begin(); it != regions.end(); it++){
WorldRegion region = it->second;
if (region.chunksData == nullptr)
continue;
@@ -74,31 +74,35 @@ WorldFiles::~WorldFiles(){
regions.clear();
}
void WorldFiles::put(const char* chunkData, int x, int y){
void WorldFiles::put(const ubyte* chunkData, int x, int y){
assert(chunkData != nullptr);
int regionX = x >> REGION_SIZE_BIT;
int regionY = y >> REGION_SIZE_BIT;
int regionX = floordiv(x, REGION_SIZE);
int regionY = floordiv(y, REGION_SIZE);
int localX = x - (regionX << REGION_SIZE_BIT);
int localY = y - (regionY << REGION_SIZE_BIT);
int localX = x - (regionX * REGION_SIZE);
int localY = y - (regionY * REGION_SIZE);
_tempcoords._coords[0] = regionX;
_tempcoords._coords[1] = regionY;
WorldRegion& region = regions[_tempcoords._key];
ivec2 key(regionX, regionY);
auto found = regions.find(key);
if (found == regions.end()) {
ubyte** chunksData = new ubyte*[REGION_VOL];
for (uint i = 0; i < REGION_VOL; i++) {
chunksData[i] = nullptr;
}
regions[key] = { chunksData, true };
}
WorldRegion& region = regions[key];
region.unsaved = true;
if (region.chunksData == nullptr){
region.chunksData = new char*[REGION_VOL];
for (unsigned int i = 0; i < REGION_VOL; i++)
region.chunksData[i] = nullptr;
}
char* targetChunk = region.chunksData[localY * REGION_SIZE + localX];
ubyte* targetChunk = region.chunksData[localY * REGION_SIZE + localX];
if (targetChunk == nullptr){
targetChunk = new char[CHUNK_VOL];
targetChunk = new ubyte[CHUNK_DATA_LEN];
region.chunksData[localY * REGION_SIZE + localX] = targetChunk;
totalCompressed += CHUNK_VOL;
totalCompressed += CHUNK_DATA_LEN;
}
for (unsigned int i = 0; i < CHUNK_VOL; i++)
for (uint i = 0; i < CHUNK_DATA_LEN; i++)
targetChunk[i] = chunkData[i];
}
@@ -111,44 +115,46 @@ std::string WorldFiles::getPlayerFile() {
return directory + "/player.bin";
}
bool WorldFiles::getChunk(int x, int y, char* out){
bool WorldFiles::getChunk(int x, int y, ubyte* out){
assert(out != nullptr);
int regionX = x >> REGION_SIZE_BIT;
int regionY = y >> REGION_SIZE_BIT;
int regionX = floordiv(x, REGION_SIZE);
int regionY = floordiv(y, REGION_SIZE);
int localX = x - (regionX * REGION_SIZE);
int localY = y - (regionY * REGION_SIZE);
int localX = x - (regionX << REGION_SIZE_BIT);
int localY = y - (regionY << REGION_SIZE_BIT);
int chunkIndex = localY * REGION_SIZE + localX;
assert(chunkIndex >= 0 && chunkIndex < REGION_VOL);
_tempcoords._coords[0] = regionX;
_tempcoords._coords[1] = regionY;
ivec2 key(regionX, regionY);
WorldRegion& region = regions[_tempcoords._key];
if (region.chunksData == nullptr)
return readChunk(x,y,out);
auto found = regions.find(key);
if (found == regions.end()) {
return readChunk(x, y, out);
}
char* chunk = region.chunksData[chunkIndex];
WorldRegion& region = found->second;
ubyte* chunk = region.chunksData[chunkIndex];
if (chunk == nullptr)
return readChunk(x,y,out);
for (unsigned int i = 0; i < CHUNK_VOL; i++)
for (uint i = 0; i < CHUNK_DATA_LEN; i++)
out[i] = chunk[i];
return true;
}
bool WorldFiles::readChunk(int x, int y, char* out){
bool WorldFiles::readChunk(int x, int y, ubyte* out){
assert(out != nullptr);
int regionX = x >> REGION_SIZE_BIT;
int regionY = y >> REGION_SIZE_BIT;
int regionX = floordiv(x, REGION_SIZE);
int regionY = floordiv(y, REGION_SIZE);
int localX = x - (regionX * REGION_SIZE);
int localY = y - (regionY * REGION_SIZE);
int localX = x - (regionX << REGION_SIZE_BIT);
int localY = y - (regionY << REGION_SIZE_BIT);
int chunkIndex = localY * REGION_SIZE + localX;
std::string filename = getRegionFile(regionX, regionY);
std::ifstream input(filename, std::ios::binary);
if (!input.is_open()){
return false;
@@ -166,35 +172,31 @@ bool WorldFiles::readChunk(int x, int y, char* out){
}
input.seekg(offset);
input.read((char*)(&offset), 4);
size_t compressedSize = bytes2Int((const unsigned char*)(&offset), 0);
input.read(mainBufferIn, compressedSize);
size_t compressedSize = bytes2Int((const ubyte*)(&offset), 0);
input.read((char*)mainBufferIn, compressedSize);
input.close();
decompressRLE((unsigned char*)mainBufferIn, compressedSize, (unsigned char*)out, CHUNK_VOL);
decompressRLE((ubyte*)mainBufferIn, compressedSize, (ubyte*)out, CHUNK_DATA_LEN);
return true;
}
void WorldFiles::write(){
std::unordered_map<long, WorldRegion>::iterator it;
for (it = regions.begin(); it != regions.end(); it++){
for (auto it = regions.begin(); it != regions.end(); it++){
if (it->second.chunksData == nullptr || !it->second.unsaved)
continue;
int x;
int y;
longToCoords(x,y, it->first);
ivec2 key = it->first;
unsigned int size = writeRegion(mainBufferOut, x,y, it->second.chunksData);
write_binary_file(getRegionFile(x,y), mainBufferOut, size);
unsigned int size = writeRegion(mainBufferOut, key.x, key.y, it->second.chunksData);
write_binary_file(getRegionFile(key.x, key.y), (const char*)mainBufferOut, size);
}
}
void WorldFiles::writePlayer(Player* player){
char dst[1+3*4 + 1+2*4 + 1+1];
ubyte dst[1+3*4 + 1+2*4 + 1+1];
glm::vec3 position = player->hitbox->position;
vec3 position = player->hitbox->position;
size_t offset = 0;
dst[offset++] = SECTION_POSITION;
@@ -215,12 +217,12 @@ void WorldFiles::writePlayer(Player* player){
bool WorldFiles::readPlayer(Player* player) {
size_t length = 0;
char* data = read_binary_file(getPlayerFile(), length);
ubyte* data = (ubyte*)read_binary_file(getPlayerFile(), length);
if (data == nullptr){
std::cerr << "could not to read player.bin (ignored)" << std::endl;
return false;
}
glm::vec3 position = player->hitbox->position;
vec3 position = player->hitbox->position;
size_t offset = 0;
while (offset < length){
char section = data[offset++];
@@ -248,21 +250,19 @@ bool WorldFiles::readPlayer(Player* player) {
return true;
}
unsigned int WorldFiles::writeRegion(char* out, int x, int y, char** region){
unsigned int offset = REGION_VOL * 4;
for (unsigned int i = 0; i < offset; i++)
uint WorldFiles::writeRegion(ubyte* out, int x, int y, ubyte** region){
uint offset = REGION_VOL * 4;
for (uint i = 0; i < offset; i++)
out[i] = 0;
char* compressed = new char[CHUNK_VOL*2];
ubyte* compressed = new ubyte[CHUNK_DATA_LEN];
for (int i = 0; i < REGION_VOL; i++){
char* chunk = region[i];
ubyte* chunk = region[i];
if (chunk == nullptr){
chunk = new char[CHUNK_VOL];
assert((((i % REGION_SIZE) + x * REGION_SIZE) >> REGION_SIZE_BIT) == x);
assert((((i / REGION_SIZE) + y * REGION_SIZE) >> REGION_SIZE_BIT) == y);
chunk = new ubyte[CHUNK_DATA_LEN];
if (readChunk((i % REGION_SIZE) + x * REGION_SIZE, (i / REGION_SIZE) + y * REGION_SIZE, chunk)){
region[i] = chunk;
totalCompressed += CHUNK_VOL;
totalCompressed += CHUNK_DATA_LEN;
} else {
delete[] chunk;
chunk = nullptr;
@@ -274,21 +274,15 @@ unsigned int WorldFiles::writeRegion(char* out, int x, int y, char** region){
} else {
int2Bytes(offset, out, i*4);
unsigned int compressedSize = compressRLE((unsigned char*)chunk, CHUNK_VOL, (unsigned char*)compressed);
uint compressedSize = compressRLE(chunk, CHUNK_DATA_LEN, compressed);
int2Bytes(compressedSize, out, offset);
offset += 4;
for (unsigned int j = 0; j < compressedSize; j++)
for (uint j = 0; j < compressedSize; j++)
out[offset++] = compressed[j];
}
}
delete[] compressed;
return offset;
}
void longToCoords(int& x, int& y, long key) {
_tempcoords._key = key;
x = _tempcoords._coords[0];
y = _tempcoords._coords[1];
}