X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fworld.cpp;h=5244d152bbe1326e190d2819120c1e54d7b3729f;hb=30d36f3d545617faef76f90c4121d6ed118ba272;hp=57583e6ed4e2267a48a241412a16159ddf7c42ab;hpb=f62562b0f87d571bd7b32ae2f8ca659c24e9911b;p=blank.git diff --git a/src/world.cpp b/src/world.cpp index 57583e6..5244d15 100644 --- a/src/world.cpp +++ b/src/world.cpp @@ -6,221 +6,91 @@ namespace blank { -const BlockType BlockType::DEFAULT; -const NullShape BlockType::DEFAULT_SHAPE; - -void BlockType::FillVBO( - const glm::vec3 &pos, - std::vector &vertices, - std::vector &colors, - std::vector &normals -) const { - shape->Vertices(vertices, pos); - colors.insert(colors.end(), shape->VertexCount(), color); - shape->Normals(normals); -} - -void BlockType::FillOutlineVBO( - std::vector &vertices, - std::vector &colors -) const { - shape->Outline(vertices); - colors.insert(colors.end(), shape->OutlineCount(), outline_color); -} - - -BlockTypeRegistry::BlockTypeRegistry() { - Add(BlockType::DEFAULT); -} - -int BlockTypeRegistry::Add(const BlockType &t) { - int id = types.size(); - types.push_back(t); - types.back().id = id; - return id; -} - - -Chunk::Chunk() -: blocks(Size()) -, model() -, transform(1.0f) -, dirty(false) { - -} - -Chunk::Chunk(Chunk &&other) -: blocks(std::move(other.blocks)) -, model(std::move(other.model)) -, transform(other.transform) -, dirty(other.dirty) { - -} - -Chunk &Chunk::operator =(Chunk &&other) { - blocks = std::move(other.blocks); - model = std::move(other.model); - transform = other.transform; - dirty = other.dirty; - return *this; -} - +World::World() +: blockType() +, 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 }}) +, 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 }; -void Chunk::Draw() { - if (dirty) { - Update(); + { // white block + BlockType type(true, { 1.0f, 1.0f, 1.0f }, &blockShape); + type.fill = block_fill; + blockType.Add(type); } - model.Draw(); -} - - -bool Chunk::Intersection( - const Ray &ray, - const glm::mat4 &M, - int *blkid, - float *dist, - glm::vec3 *normal) const { - { // rough check - const AABB bb{{0, 0, 0}, {Width(), Height(), Depth()}}; - if (!blank::Intersection(ray, bb, M)) { - return false; - } + { // white slab + BlockType type(true, { 1.0f, 1.0f, 1.0f }, &slabShape); + type.fill = slab_fill; + blockType.Add(type); } - - if (!blkid && !dist && !normal) { - return true; + { // white stair + BlockType type(true, { 1.0f, 1.0f, 1.0f }, &stairShape); + type.fill = stair_fill; + blockType.Add(type); } - // TODO: should be possible to heavily optimize this - int id = 0; - int closest_id = -1; - float closest_dist = std::numeric_limits::infinity(); - glm::vec3 closest_normal(0, 1, 0); - for (int z = 0; z < Depth(); ++z) { - for (int y = 0; y < Height(); ++y) { - for (int x = 0; x < Width(); ++x, ++id) { - if (!blocks[id].type->visible) { - continue; - } - float cur_dist; - glm::vec3 cur_norm; - glm::vec3 pos(float(x) + 0.5f, float(y) + 0.5f, float(z) + 0.5f); - if (blocks[id].type->shape->Intersects(ray, glm::translate(M, pos), cur_dist, cur_norm)) { - if (cur_dist < closest_dist) { - closest_id = id; - closest_dist = cur_dist; - closest_normal = cur_norm; - } - } - } - } + { // red block + BlockType type(true, { 1.0f, 0.0f, 0.0f }, &blockShape); + type.fill = block_fill; + blockType.Add(type); } - - if (closest_id < 0) { - return false; + { // 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); } - if (blkid) { - *blkid = closest_id; + { // green block + BlockType type(true, { 0.0f, 1.0f, 0.0f }, &blockShape); + type.fill = block_fill; + blockType.Add(type); } - if (dist) { - *dist = closest_dist; + { // green slab + BlockType type(true, { 0.0f, 1.0f, 0.0f }, &slabShape); + type.fill = slab_fill; + blockType.Add(type); } - if (normal) { - *normal = closest_normal; + { // green stair + BlockType type(true, { 0.0f, 1.0f, 0.0f }, &stairShape); + type.fill = stair_fill; + blockType.Add(type); } - return true; -} -void Chunk::Position(const glm::vec3 &pos) { - position = pos; - transform = glm::translate(pos * Extent()); -} - - -int Chunk::VertexCount() const { - int count = 0; - for (const auto &block : blocks) { - count += block.type->shape->VertexCount(); + { // blue block + BlockType type(true, { 0.0f, 0.0f, 1.0f }, &blockShape); + type.fill = block_fill; + blockType.Add(type); } - return count; -} - -void Chunk::Update() { - model.Clear(); - model.Reserve(VertexCount()); - - for (size_t i = 0; i < Size(); ++i) { - blocks[i].type->FillModel(ToCoords(i), model); + { // 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); } - model.Invalidate(); - dirty = false; -} + generate.Space(0); + generate.Solids({ 1, 4, 7, 10 }); + player.Position({ 4.0f, 4.0f, 4.0f }); -World::World() -: blockType() -, 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) -, chunks() { - 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 + chunks.Generate({ -4, -4, -4 }, { 5, 5, 5}); } -void World::Generate() { - for (int z = -2; z < 3; ++z) { - for (int y = -2; y < 3; ++y) { - for (int x = -2; x < 3; ++x) { - Generate(glm::vec3(x, y, z)); - } - } - } -} - -Chunk &World::Generate(const glm::vec3 &pos) { - chunks.emplace_back(); - Chunk &chunk = chunks.back(); - chunk.Position(pos); - 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 * 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(); - return chunk; -} - bool World::Intersection( const Ray &ray, const glm::mat4 &M, @@ -233,11 +103,11 @@ bool World::Intersection( float closest_dist = std::numeric_limits::infinity(); glm::vec3 closest_normal; - for (Chunk &cur_chunk : chunks) { + for (Chunk &cur_chunk : chunks.Loaded()) { int cur_blkid; float cur_dist; glm::vec3 cur_normal; - if (cur_chunk.Intersection(ray, M * cur_chunk.Transform(), &cur_blkid, &cur_dist, &cur_normal)) { + if (cur_chunk.Intersection(ray, M * cur_chunk.Transform(player.ChunkCoords()), &cur_blkid, &cur_dist, &cur_normal)) { if (cur_dist < closest_dist) { closest_chunk = &cur_chunk; closest_blkid = cur_blkid; @@ -263,14 +133,31 @@ bool World::Intersection( } -Chunk &World::Next(const Chunk &to, const glm::vec3 &dir) { - const glm::vec3 tgt_pos = to.Position() + dir; - for (Chunk &chunk : chunks) { - if (chunk.Position() == tgt_pos) { - return chunk; +Chunk &World::Next(const Chunk &to, const glm::tvec3 &dir) { + const Chunk::Pos tgt_pos = to.Position() + dir; + return chunks.ForceLoad(tgt_pos); +} + + +void World::Update(int dt) { + player.Update(dt); + chunks.Rebase(player.ChunkCoords()); + chunks.Update(); +} + + +void World::Render(DirectionalLighting &program) { + program.SetLightDirection({ -1.0f, -3.0f, -2.0f }); + program.SetView(glm::inverse(player.Transform(player.ChunkCoords()))); + + for (Chunk &chunk : chunks.Loaded()) { + glm::mat4 m(chunk.Transform(player.ChunkCoords())); + program.SetM(m); + glm::mat4 mvp(program.GetVP() * m); + if (!CullTest(Chunk::Bounds(), mvp)) { + chunk.Draw(); } } - return Generate(tgt_pos); } }