, blockShape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f }})
, stairShape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.5f, 0.5f }}, { 0.0f, 0.0f })
, slabShape({{ -0.5f, -0.5f, -0.5f }, { 0.5f, 0.0f, 0.5f }})
-, blockNoise(0)
-, colorNoise(1)
-, player()
-, player_chunk(0, 0, 0)
-, loaded()
-, to_generate()
-, to_free() {
- blockType.Add(BlockType{ true, { 1.0f, 1.0f, 1.0f }, &blockShape }); // white block
- blockType.Add(BlockType{ true, { 1.0f, 1.0f, 1.0f }, &stairShape }); // white stair
- blockType.Add(BlockType{ true, { 1.0f, 1.0f, 1.0f }, &slabShape }); // white slab
- blockType.Add(BlockType{ true, { 1.0f, 0.0f, 0.0f }, &blockShape }); // red block
- blockType.Add(BlockType{ true, { 1.0f, 0.0f, 0.0f }, &stairShape }); // red stair
- blockType.Add(BlockType{ true, { 1.0f, 0.0f, 0.0f }, &slabShape }); // red slab
- blockType.Add(BlockType{ true, { 0.0f, 1.0f, 0.0f }, &blockShape }); // green block
- blockType.Add(BlockType{ true, { 0.0f, 1.0f, 0.0f }, &stairShape }); // green stair
- blockType.Add(BlockType{ true, { 0.0f, 1.0f, 0.0f }, &slabShape }); // green slab
- blockType.Add(BlockType{ true, { 0.0f, 0.0f, 1.0f }, &blockShape }); // blue block
- blockType.Add(BlockType{ true, { 0.0f, 0.0f, 1.0f }, &stairShape }); // blue stair
- blockType.Add(BlockType{ true, { 0.0f, 0.0f, 1.0f }, &slabShape }); // blue slab
+, generate(0)
+, chunks(blockType, generate)
+, player() {
+ BlockType::Faces block_fill = { true, true, true, true, true, true };
+ BlockType::Faces slab_fill = { false, true, false, false, false, false };
+ BlockType::Faces stair_fill = { false, true, false, false, false, true };
+
+ { // white block
+ BlockType type(true, { 1.0f, 1.0f, 1.0f }, &blockShape);
+ type.fill = block_fill;
+ blockType.Add(type);
+ }
+ { // white slab
+ BlockType type(true, { 1.0f, 1.0f, 1.0f }, &slabShape);
+ type.fill = slab_fill;
+ blockType.Add(type);
+ }
+ { // white stair
+ BlockType type(true, { 1.0f, 1.0f, 1.0f }, &stairShape);
+ type.fill = stair_fill;
+ blockType.Add(type);
+ }
- player.Position({ 4.0f, 4.0f, 4.0f });
-}
+ { // red block
+ BlockType type(true, { 1.0f, 0.0f, 0.0f }, &blockShape);
+ type.fill = block_fill;
+ blockType.Add(type);
+ }
+ { // red slab
+ BlockType type(true, { 1.0f, 0.0f, 0.0f }, &slabShape);
+ type.fill = slab_fill;
+ blockType.Add(type);
+ }
+ { // red stair
+ BlockType type(true, { 1.0f, 0.0f, 0.0f }, &stairShape);
+ type.fill = stair_fill;
+ blockType.Add(type);
+ }
+ { // green block
+ BlockType type(true, { 0.0f, 1.0f, 0.0f }, &blockShape);
+ type.fill = block_fill;
+ blockType.Add(type);
+ }
+ { // green slab
+ BlockType type(true, { 0.0f, 1.0f, 0.0f }, &slabShape);
+ type.fill = slab_fill;
+ blockType.Add(type);
+ }
+ { // green stair
+ BlockType type(true, { 0.0f, 1.0f, 0.0f }, &stairShape);
+ type.fill = stair_fill;
+ blockType.Add(type);
+ }
-namespace {
+ { // blue block
+ BlockType type(true, { 0.0f, 0.0f, 1.0f }, &blockShape);
+ type.fill = block_fill;
+ blockType.Add(type);
+ }
+ { // blue slab
+ BlockType type(true, { 0.0f, 0.0f, 1.0f }, &slabShape);
+ type.fill = slab_fill;
+ blockType.Add(type);
+ }
+ { // blue stair
+ BlockType type(true, { 0.0f, 0.0f, 1.0f }, &stairShape);
+ type.fill = stair_fill;
+ blockType.Add(type);
+ }
-bool ChunkLess(const Chunk &a, const Chunk &b) {
- return
- a.Position().x * a.Position().x +
- a.Position().y * a.Position().y +
- a.Position().z * a.Position().z <
- b.Position().x * b.Position().x +
- b.Position().y * b.Position().y +
- b.Position().z * b.Position().z;
-}
+ generate.Space(0);
+ generate.Solids({ 1, 4, 7, 10 });
-}
+ player.Position({ 4.0f, 4.0f, 4.0f });
-void World::Generate(const glm::tvec3<int> &from, const glm::tvec3<int> &to) {
- for (int z = from.z; z < to.z; ++z) {
- for (int y = from.y; y < to.y; ++y) {
- for (int x = from.x; x < to.x; ++x) {
- glm::vec3 pos{float(x), float(y), float(z)};
- if (ChunkAvailable(pos)) {
- continue;
- } else if (x == 0 && y == 0 && z == 0) {
- loaded.emplace_back();
- loaded.back().Position(pos);
- Generate(loaded.back());
- } else {
- to_generate.emplace_back();
- to_generate.back().Position(pos);
- }
- }
- }
- }
- to_generate.sort(ChunkLess);
+ chunks.Generate({ -4, -4, -4 }, { 5, 5, 5});
}
-void World::Generate(Chunk &chunk) {
- chunk.Allocate();
- glm::vec3 pos(chunk.Position());
- if (pos.x == 0 && pos.y == 0 && pos.z == 0) {
- for (size_t i = 1; i < blockType.Size(); ++i) {
- chunk.BlockAt(i) = Block(blockType[i]);
- chunk.BlockAt(i + 257) = Block(blockType[i]);
- chunk.BlockAt(i + 514) = Block(blockType[i]);
- }
- } else {
- for (int z = 0; z < Chunk::Depth(); ++z) {
- for (int y = 0; y < Chunk::Height(); ++y) {
- for (int x = 0; x < Chunk::Width(); ++x) {
- glm::vec3 block_pos{float(x), float(y), float(z)};
- glm::vec3 gen_pos = (pos * glm::vec3(Chunk::Extent()) + block_pos) / 64.0f;
- float val = blockNoise(gen_pos);
- if (val > 0.8f) {
- int col_val = int((colorNoise(gen_pos) + 1.0f) * 2.0f) % 4;
- chunk.BlockAt(block_pos) = Block(blockType[col_val * 3 + 1]);
- }
- }
- }
- }
- }
- chunk.Invalidate();
-}
bool World::Intersection(
const Ray &ray,
float closest_dist = std::numeric_limits<float>::infinity();
glm::vec3 closest_normal;
- for (Chunk &cur_chunk : loaded) {
+ for (Chunk &cur_chunk : chunks.Loaded()) {
int cur_blkid;
float cur_dist;
glm::vec3 cur_normal;
}
-Chunk *World::ChunkLoaded(const glm::tvec3<int> &pos) {
- for (Chunk &chunk : loaded) {
- if (glm::tvec3<int>(chunk.Position()) == pos) {
- return &chunk;
- }
- }
- return nullptr;
-}
-
-Chunk *World::ChunkQueued(const glm::tvec3<int> &pos) {
- for (Chunk &chunk : to_generate) {
- if (glm::tvec3<int>(chunk.Position()) == pos) {
- return &chunk;
- }
- }
- return nullptr;
-}
-
-Chunk *World::ChunkAvailable(const glm::tvec3<int> &pos) {
- Chunk *chunk = ChunkLoaded(pos);
- if (chunk) return chunk;
-
- return ChunkQueued(pos);
-}
-
Chunk &World::Next(const Chunk &to, const glm::tvec3<int> &dir) {
- const glm::tvec3<int> tgt_pos = to.Position() + dir;
-
- Chunk *chunk = ChunkLoaded(tgt_pos);
- if (chunk) {
- return *chunk;
- }
-
- chunk = ChunkQueued(tgt_pos);
- if (chunk) {
- Generate(*chunk);
- return *chunk;
- }
-
- loaded.emplace_back();
- loaded.back().Position(tgt_pos);
- Generate(loaded.back());
- return loaded.back();
+ const Chunk::Pos tgt_pos = to.Position() + dir;
+ return chunks.ForceLoad(tgt_pos);
}
void World::Update(int dt) {
player.Update(dt);
-
- CheckChunkGeneration();
-}
-
-void World::CheckChunkGeneration() {
- if (player.ChunkCoords() != player_chunk) {
- player_chunk = player.ChunkCoords();
-
- constexpr int max_dist = 8;
- // unload far away chunks
- for (auto iter(loaded.begin()), end(loaded.end()); iter != end;) {
- if (std::abs(player_chunk.x - iter->Position().x) > max_dist
- || std::abs(player_chunk.y - iter->Position().y) > max_dist
- || std::abs(player_chunk.z - iter->Position().z) > max_dist) {
- auto saved = iter;
- ++iter;
- to_free.splice(to_free.end(), loaded, saved);
- } else {
- ++iter;
- }
- }
- // abort far away queued chunks
- for (auto iter(to_generate.begin()), end(to_generate.end()); iter != end;) {
- if (std::abs(player_chunk.x - iter->Position().x) > max_dist
- || std::abs(player_chunk.y - iter->Position().y) > max_dist
- || std::abs(player_chunk.z - iter->Position().z) > max_dist) {
- iter = to_generate.erase(iter);
- } else {
- ++iter;
- }
- }
- // add missing new chunks
- glm::tvec3<int> offset(max_dist, max_dist, max_dist);
- Generate(player_chunk - offset, player_chunk + offset);
- }
-
- if (!to_generate.empty()) {
- Generate(to_generate.front());
- loaded.splice(loaded.end(), to_generate, to_generate.begin());
- }
-
- if (!to_free.empty()) {
- to_free.pop_front();
- }
+ chunks.Rebase(player.ChunkCoords());
+ chunks.Update();
}
program.SetLightDirection({ -1.0f, -3.0f, -2.0f });
program.SetView(glm::inverse(player.Transform(player.ChunkCoords())));
- for (Chunk &chunk : LoadedChunks()) {
+ for (Chunk &chunk : chunks.Loaded()) {
glm::mat4 m(chunk.Transform(player.ChunkCoords()));
program.SetM(m);
glm::mat4 mvp(program.GetVP() * m);
projects / blank.git / blobdiff