PulseStudio/VoxelEngine
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converting block states to a bitfield

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This commit is contained in:
MihailRis
2024-05-31 11:13:36 +03:00
parent 5dd06b233e
commit 6d933ac263
17 changed files with 197 additions and 164 deletions
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src/voxels/Chunk.cpp
+48 -50
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@@ -7,40 +7,36 @@
#include "../lighting/Lightmap.hpp"
Chunk::Chunk(int xpos, int zpos) : x(xpos), z(zpos){
bottom = 0;
top = CHUNK_H;
for (uint i = 0; i < CHUNK_VOL; i++) {
voxels[i].id = 2;
voxels[i].states = 0;
}
bottom = 0;
top = CHUNK_H;
}
bool Chunk::isEmpty(){
int id = -1;
for (uint i = 0; i < CHUNK_VOL; i++){
if (voxels[i].id != id){
if (id != -1)
return false;
else
id = voxels[i].id;
}
}
return true;
int id = -1;
for (uint i = 0; i < CHUNK_VOL; i++){
if (voxels[i].id != id){
if (id != -1)
return false;
else
id = voxels[i].id;
}
}
return true;
}
void Chunk::updateHeights() {
for (uint i = 0; i < CHUNK_VOL; i++) {
if (voxels[i].id != 0) {
bottom = i / (CHUNK_D * CHUNK_W);
break;
}
}
for (int i = CHUNK_VOL - 1; i >= 0; i--) {
if (voxels[i].id != 0) {
top = i / (CHUNK_D * CHUNK_W) + 1;
break;
}
}
for (uint i = 0; i < CHUNK_VOL; i++) {
if (voxels[i].id != 0) {
bottom = i / (CHUNK_D * CHUNK_W);
break;
}
}
for (int i = CHUNK_VOL - 1; i >= 0; i--) {
if (voxels[i].id != 0) {
top = i / (CHUNK_D * CHUNK_W) + 1;
break;
}
}
}
void Chunk::addBlockInventory(std::shared_ptr<Inventory> inventory,
@@ -50,13 +46,13 @@ void Chunk::addBlockInventory(std::shared_ptr<Inventory> inventory,
}
void Chunk::removeBlockInventory(uint x, uint y, uint z) {
if (inventories.erase(vox_index(x, y, z))) {
setUnsaved(true);
}
if (inventories.erase(vox_index(x, y, z))) {
setUnsaved(true);
}
}
void Chunk::setBlockInventories(chunk_inventories_map map) {
inventories = map;
inventories = map;
}
std::shared_ptr<Inventory> Chunk::getBlockInventory(uint x, uint y, uint z) const {
@@ -70,12 +66,12 @@ std::shared_ptr<Inventory> Chunk::getBlockInventory(uint x, uint y, uint z) cons
}
std::unique_ptr<Chunk> Chunk::clone() const {
auto other = std::make_unique<Chunk>(x,z);
for (uint i = 0; i < CHUNK_VOL; i++) {
other->voxels[i] = voxels[i];
auto other = std::make_unique<Chunk>(x,z);
for (uint i = 0; i < CHUNK_VOL; i++) {
other->voxels[i] = voxels[i];
}
other->lightmap.set(&lightmap);
return other;
other->lightmap.set(&lightmap);
return other;
}
/**
@@ -93,19 +89,21 @@ std::unique_ptr<Chunk> Chunk::clone() const {
Total size: (CHUNK_VOL * 4) bytes
*/
std::unique_ptr<ubyte[]> Chunk::encode() const {
auto buffer = std::make_unique<ubyte[]>(CHUNK_DATA_LEN);
for (uint i = 0; i < CHUNK_VOL; i++) {
buffer[i] = voxels[i].id >> 8;
auto buffer = std::make_unique<ubyte[]>(CHUNK_DATA_LEN);
for (uint i = 0; i < CHUNK_VOL; i++) {
buffer[i] = voxels[i].id >> 8;
buffer[CHUNK_VOL+i] = voxels[i].id & 0xFF;
buffer[CHUNK_VOL*2 + i] = voxels[i].states >> 8;
buffer[CHUNK_VOL*3 + i] = voxels[i].states & 0xFF;
}
return buffer;
blockstate_t state = blockstate2int(voxels[i].state);
buffer[CHUNK_VOL*2 + i] = state >> 8;
buffer[CHUNK_VOL*3 + i] = state & 0xFF;
}
return buffer;
}
bool Chunk::decode(const ubyte* data) {
for (uint i = 0; i < CHUNK_VOL; i++) {
voxel& vox = voxels[i];
for (uint i = 0; i < CHUNK_VOL; i++) {
voxel& vox = voxels[i];
ubyte bid1 = data[i];
ubyte bid2 = data[CHUNK_VOL + i];
@@ -113,10 +111,10 @@ bool Chunk::decode(const ubyte* data) {
ubyte bst1 = data[CHUNK_VOL*2 + i];
ubyte bst2 = data[CHUNK_VOL*3 + i];
vox.id = (blockid_t(bid1) << 8) | (blockid_t(bid2));
vox.states = (blockstate_t(bst1) << 8) | (blockstate_t(bst2));
}
return true;
vox.id = (blockid_t(bid1) << 8) | (blockid_t(bid2));
vox.state = int2blockstate((blockstate_t(bst1) << 8) | (blockstate_t(bst2)));
}
return true;
}
void Chunk::convert(ubyte* data, const ContentLUT* lut) {