[ChunkMeshBuilder] Splitted into multiple files.
Quentin Bazin
parent
7d375ac843
commit
89369ee335
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@ -24,13 +24,13 @@
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*
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* =====================================================================================
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*/
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#include "BlockGeometry.hpp"
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#include "ChunkMeshBuilder.hpp"
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#include "ClientProfiler.hpp"
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#include "ClientWorld.hpp"
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#include "TextureAtlas.hpp"
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using namespace BlockGeometry;
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#include "BlockMesher.hpp"
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#include "XShapeMesher.hpp"
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// NOTE: TextureAtlas and Registry are accessed from different threads.
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//
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@ -49,27 +49,7 @@ void ChunkMeshBuilder::addMeshBuildingJob(const Chunk &chunk, const TextureAtlas
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job.chunkData.loadFromChunk(chunk);
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// Send the job to the thread pool
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auto future = thread::DefaultThreadPool::submitJob([](ChunkMeshBuildingJob job) {
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// For each block, generate its vertices and add them to the list
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for (s8f z = 0 ; z < CHUNK_HEIGHT ; z++) {
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for (s8f y = 0 ; y < CHUNK_DEPTH ; y++) {
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for (s8f x = 0 ; x < CHUNK_WIDTH ; x++) {
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u16 blockID = job.chunkData.getBlockID(x, y, z);
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if (!blockID) continue;
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u16 blockParam = job.chunkData.getBlockParam(x, y, z);
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const BlockState &blockState = ChunkData::getBlockState(blockID, blockParam);
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if (blockState.drawType() == BlockDrawType::XShape)
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addCross(x, y, z, job, blockState);
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else
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addCube(x, y, z, job, blockState, blockParam);
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}
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}
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}
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return job;
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}, job);
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auto future = thread::DefaultThreadPool::submitJob(&ChunkMeshBuilder::buildChunkMesh, job);
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m_futures.emplace_back(std::move(future));
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@ -108,352 +88,25 @@ void ChunkMeshBuilder::update() {
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}
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}
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inline void ChunkMeshBuilder::addCube(s8f x, s8f y, s8f z, ChunkMeshBuildingJob &job, const BlockState &blockState, u16 blockParam) {
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const gk::FloatBox &boundingBox = blockState.boundingBox();
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ChunkMeshBuildingJob ChunkMeshBuilder::buildChunkMesh(ChunkMeshBuildingJob job) {
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// For each block, generate its vertices and add them to the list
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for (s8f z = 0 ; z < CHUNK_HEIGHT ; z++) {
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for (s8f y = 0 ; y < CHUNK_DEPTH ; y++) {
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for (s8f x = 0 ; x < CHUNK_WIDTH ; x++) {
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u16 blockID = job.chunkData.getBlockID(x, y, z);
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if (!blockID) continue;
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u8f orientation = blockState.block().isRotatable()
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? (u8f)blockState.block().param().getParam(BlockParam::Rotation, blockParam) : 0;
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const glm::mat3 &orientMatrix = orientMatrices[orientation];
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u16 blockParam = job.chunkData.getBlockParam(x, y, z);
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const BlockState &blockState = ChunkData::getBlockState(blockID, blockParam);
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glm::vec3 vertexPos[nVertsPerCube]{
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// Order is important. It matches the bit order defined in BlockGeometry::cubeVerts.
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{boundingBox.x, boundingBox.y, boundingBox.z},
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{boundingBox.x + boundingBox.sizeX, boundingBox.y, boundingBox.z},
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{boundingBox.x, boundingBox.y + boundingBox.sizeY, boundingBox.z},
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{boundingBox.x + boundingBox.sizeX, boundingBox.y + boundingBox.sizeY, boundingBox.z},
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{boundingBox.x, boundingBox.y, boundingBox.z + boundingBox.sizeZ},
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{boundingBox.x + boundingBox.sizeX, boundingBox.y, boundingBox.z + boundingBox.sizeZ},
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{boundingBox.x, boundingBox.y + boundingBox.sizeY, boundingBox.z + boundingBox.sizeZ},
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{boundingBox.x + boundingBox.sizeX, boundingBox.y + boundingBox.sizeY, boundingBox.z + boundingBox.sizeZ},
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};
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if (blockState.drawType() == BlockDrawType::Cactus) {
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// Ignore bounding box, initialize it to full node coordinates
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for (u8f i = 0; i < nVertsPerCube; ++i) {
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vertexPos[i].x = float((i >> 0) & 1);
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vertexPos[i].y = float((i >> 1) & 1);
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vertexPos[i].z = float((i >> 2) & 1);
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}
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}
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// vNeighbour is used to find neighbouring cubes per vertex.
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// Same binary layout.
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glm::vec3 vNeighbour[nVertsPerCube] = {
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{-1,-1,-1}, { 1,-1,-1}, {-1, 1,-1}, { 1, 1,-1}, {-1,-1, 1}, { 1,-1, 1}, {-1, 1, 1}, {1, 1, 1},
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};
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if (orientation) { // don't work extra if it's not oriented differently
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static const glm::vec3 half{0.5, 0.5, 0.5};
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// Rotate each vertex coordinate around the centre of the
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// cube, and each vertex neighbour around the origin
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for (int i = 0; i < nVertsPerCube; ++i) {
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vertexPos[i] = orientMatrix * (vertexPos[i] - half) + half;
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vNeighbour[i] = orientMatrix * vNeighbour[i];
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}
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}
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for (s8f f = 0; f < nFaces ; ++f) {
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// Construct the normal vector to a face
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const glm::vec3 glmNormal = orientMatrix * faceNormals[f];
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const gk::Vector3<s8f> normal{s8f(glmNormal.x), s8f(glmNormal.y), s8f(glmNormal.z)};
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// Construct an array with the 4 vertex positions of this face
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glm::vec3 *faceVerts[nVertsPerFace]{
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&vertexPos[cubeVerts[f][0]], &vertexPos[cubeVerts[f][1]],
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&vertexPos[cubeVerts[f][2]], &vertexPos[cubeVerts[f][3]]
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};
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// Construct an array with the 4 vertex neighbours of this face
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// (as GameKit integer vectors)
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const gk::Vector3<s8f> corner0{s8f(vNeighbour[cubeVerts[f][0]].x), s8f(vNeighbour[cubeVerts[f][0]].y), s8f(vNeighbour[cubeVerts[f][0]].z)};
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const gk::Vector3<s8f> corner1{s8f(vNeighbour[cubeVerts[f][1]].x), s8f(vNeighbour[cubeVerts[f][1]].y), s8f(vNeighbour[cubeVerts[f][1]].z)};
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const gk::Vector3<s8f> corner2{s8f(vNeighbour[cubeVerts[f][2]].x), s8f(vNeighbour[cubeVerts[f][2]].y), s8f(vNeighbour[cubeVerts[f][2]].z)};
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const gk::Vector3<s8f> corner3{s8f(vNeighbour[cubeVerts[f][3]].x), s8f(vNeighbour[cubeVerts[f][3]].y), s8f(vNeighbour[cubeVerts[f][3]].z)};
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const gk::Vector3<s8f> *vFaceNeighbours[nVertsPerFace]{&corner0, &corner1, &corner2, &corner3};
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addCubeFace(x, y, z, f, job, blockState, normal, faceVerts, vFaceNeighbours);
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}
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}
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inline void ChunkMeshBuilder::addCubeFace(s8f x, s8f y, s8f z, s8f f, ChunkMeshBuildingJob &job,
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const BlockState &blockState,
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const gk::Vector3<s8f> &normal,
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const glm::vec3 *const vertexPos[nVertsPerFace],
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const gk::Vector3<s8f> *const neighbourOfs[nVertsPerFace])
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{
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// Get surrounding block for the face
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s8f sx = x + normal.x;
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s8f sy = y + normal.y;
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s8f sz = z + normal.z;
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const BlockState *surroundingBlockState = job.chunkData.getBlockState(sx, sy, sz);
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// Skip hidden faces
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if (surroundingBlockState && surroundingBlockState->block().id()
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&& ((blockState.drawType() == BlockDrawType::Solid && surroundingBlockState->drawType() == BlockDrawType::Solid && surroundingBlockState->isOpaque())
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|| (blockState.block().id() == surroundingBlockState->block().id() && (blockState.drawType() == BlockDrawType::Liquid || blockState.drawType() == BlockDrawType::Glass))
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|| (blockState.drawType() == BlockDrawType::Liquid && surroundingBlockState->drawType() == BlockDrawType::Solid)
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|| (blockState.drawType() == BlockDrawType::Cactus && surroundingBlockState->block().id() == blockState.block().id() && f > 3)))
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return;
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const gk::FloatBox &boundingBox = blockState.boundingBox();
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const std::string &texture = blockState.tiles().getTextureForFace(f);
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const gk::FloatRect &blockTexCoords = job.textureAtlas->getTexCoords(texture);
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// Calculate UV's
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// These are tough to obtain. Note that texture Y grows in the up-down direction, and so does V.
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// Vertex index in the bitmap array and U/V correspondence is:
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// U0V0 -> 3 2 <- U1V0
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// U0V1 -> 0 1 <- U1V1
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float U0, V0, U1, V1;
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if (blockState.drawType() == BlockDrawType::Cactus) {
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U0 = 0.f;
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V0 = 0.f;
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U1 = 1.f;
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V1 = 1.f;
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}
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else {
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U0 = (f == 0) ? 1.f - (boundingBox.y + boundingBox.sizeY) : (f == 1) ? boundingBox.y :
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(f == 3) ? 1.f - (boundingBox.x + boundingBox.sizeX) : boundingBox.x;
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V0 = (f <= 3) ? 1.f - (boundingBox.z + boundingBox.sizeZ) : (f == 4) ? boundingBox.y : 1.f - (boundingBox.y + boundingBox.sizeY);
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U1 = (f == 0) ? 1.f - boundingBox.y : (f == 1) ? boundingBox.y + boundingBox.sizeY :
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(f == 3) ? 1.f - boundingBox.x : boundingBox.x + boundingBox.sizeX;
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V1 = (f <= 3) ? 1.f - boundingBox.z : (f == 4) ? boundingBox.y + boundingBox.sizeY : 1.f - boundingBox.y;
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}
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// Prepare vertex information for VBO
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Vertex vertices[nVertsPerFace];
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for (s8f v = 0; v < nVertsPerFace; ++v) {
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if (blockState.drawType() == BlockDrawType::Cactus) {
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vertices[v].coord3d[0] = x + vertexPos[v]->x - boundingBox.x * (float)normal.x;
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vertices[v].coord3d[1] = y + vertexPos[v]->y - boundingBox.y * (float)normal.y;
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vertices[v].coord3d[2] = z + vertexPos[v]->z - boundingBox.z * (float)normal.z;
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}
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else {
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float blockHeight = vertexPos[v]->z;
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if (blockState.drawType() == BlockDrawType::Liquid) {
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const BlockState *topBlockState = job.chunkData.getBlockState(x, y, z + 1);
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if (f != BlockFace::Bottom && (!topBlockState || !topBlockState->block().id())) {
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blockHeight *= 14.f / 16.f;
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}
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if (blockState.drawType() == BlockDrawType::XShape)
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XShapeMesher::addCross(x, y, z, job, blockState);
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else
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BlockMesher::addCube(x, y, z, job, blockState, blockParam);
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}
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vertices[v].coord3d[0] = x + vertexPos[v]->x;
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vertices[v].coord3d[1] = y + vertexPos[v]->y;
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vertices[v].coord3d[2] = z + blockHeight;
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}
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vertices[v].coord3d[0] += blockState.drawOffset().x;
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vertices[v].coord3d[1] += blockState.drawOffset().y;
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vertices[v].coord3d[2] += blockState.drawOffset().z;
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vertices[v].coord3d[3] = f;
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vertices[v].normal[0] = (float)normal.x;
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vertices[v].normal[1] = (float)normal.y;
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vertices[v].normal[2] = (float)normal.z;
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const gk::Color colorMultiplier = blockState.colorMultiplier();
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vertices[v].color[0] = colorMultiplier.r;
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vertices[v].color[1] = colorMultiplier.g;
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vertices[v].color[2] = colorMultiplier.b;
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vertices[v].color[3] = colorMultiplier.a;
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float U = (v == 0 || v == 3) ? U0 : U1;
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float V = (v >= 2) ? V0 : V1;
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vertices[v].texCoord[0] = gk::qlerpf(blockTexCoords.x, blockTexCoords.x + blockTexCoords.sizeX, U);
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vertices[v].texCoord[1] = gk::qlerpf(blockTexCoords.y, blockTexCoords.y + blockTexCoords.sizeY, V);
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if (Config::isSmoothLightingEnabled)
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vertices[v].lightValue[0] = getLightForVertex(Light::Sun, x, y, z, *neighbourOfs[v], normal, job.chunkData);
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else
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vertices[v].lightValue[0] = job.chunkData.getSunlight(sx, sy, sz);
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if (Config::isSmoothLightingEnabled && !blockState.isLightSource())
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vertices[v].lightValue[1] = getLightForVertex(Light::Torch, x, y, z, *neighbourOfs[v], normal, job.chunkData);
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else if (blockState.isOpaque())
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vertices[v].lightValue[1] = job.chunkData.getTorchlight(sx, sy, sz);
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else
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vertices[v].lightValue[1] = job.chunkData.getTorchlight(x, y, z);
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vertices[v].ambientOcclusion = getAmbientOcclusion(x, y, z, *neighbourOfs[v], normal, job.chunkData);
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}
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auto addVertex = [&](u8 v) {
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if (Config::ambientOcclusion != 1 || blockState.isLightSource())
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vertices[v].ambientOcclusion = 4;
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if (blockState.drawType() == BlockDrawType::Liquid)
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job.vertices[ChunkMeshLayer::Liquid].emplace_back(vertices[v]);
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else if (blockState.drawType() == BlockDrawType::Glass)
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job.vertices[ChunkMeshLayer::Glass].emplace_back(vertices[v]);
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else if (blockState.colorMultiplier() != gk::Color::White)
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job.vertices[ChunkMeshLayer::NoMipMap].emplace_back(vertices[v]);
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else
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job.vertices[ChunkMeshLayer::Solid].emplace_back(vertices[v]);
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};
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// Flipping quad to fix anisotropy issue
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if (vertices[0].ambientOcclusion + vertices[2].ambientOcclusion >
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vertices[1].ambientOcclusion + vertices[3].ambientOcclusion) {
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addVertex(0);
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addVertex(1);
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addVertex(2);
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addVertex(2);
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addVertex(3);
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addVertex(0);
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} else {
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addVertex(0);
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addVertex(1);
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addVertex(3);
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addVertex(3);
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addVertex(1);
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addVertex(2);
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}
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job.totalVertexCount += 6;
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}
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inline void ChunkMeshBuilder::addCross(s8f x, s8f y, s8f z, ChunkMeshBuildingJob &job, const BlockState &blockState) {
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glm::vec3 vertexPos[nVertsPerCube]{
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{0, 0, 0},
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{1, 0, 0},
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{0, 1, 0},
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{1, 1, 0},
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{0, 0, 1},
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{1, 0, 1},
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{0, 1, 1},
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{1, 1, 1},
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};
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const glm::vec3 *const faceVertices[nCrossFaces][nVertsPerFace]{
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{&vertexPos[crossVerts[0][0]], &vertexPos[crossVerts[0][1]],
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&vertexPos[crossVerts[0][2]], &vertexPos[crossVerts[0][3]]},
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{&vertexPos[crossVerts[1][0]], &vertexPos[crossVerts[1][1]],
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&vertexPos[crossVerts[1][2]], &vertexPos[crossVerts[1][3]]},
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};
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const std::string &texture = blockState.tiles().getTextureForFace(0);
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const gk::FloatRect &blockTexCoords = job.textureAtlas->getTexCoords(texture);
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float faceTexCoords[nVertsPerFace][nCoordsPerUV] = {
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{blockTexCoords.x, blockTexCoords.y + blockTexCoords.sizeY},
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{blockTexCoords.x + blockTexCoords.sizeX, blockTexCoords.y + blockTexCoords.sizeY},
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{blockTexCoords.x + blockTexCoords.sizeX, blockTexCoords.y},
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{blockTexCoords.x, blockTexCoords.y},
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};
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for (int f = 0; f < nCrossFaces ; ++f) {
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Vertex vertices[nVertsPerFace];
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for (int v = 0 ; v < nVertsPerFace ; ++v) {
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vertices[v].coord3d[0] = x + faceVertices[f][v]->x + blockState.drawOffset().x;
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vertices[v].coord3d[1] = y + faceVertices[f][v]->y + blockState.drawOffset().y;
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vertices[v].coord3d[2] = z + faceVertices[f][v]->z + blockState.drawOffset().z;
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vertices[v].coord3d[3] = 6;
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vertices[v].normal[0] = 0;
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vertices[v].normal[1] = 0;
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vertices[v].normal[2] = 0;
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const gk::Color colorMultiplier = blockState.colorMultiplier();
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vertices[v].color[0] = colorMultiplier.r;
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vertices[v].color[1] = colorMultiplier.g;
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vertices[v].color[2] = colorMultiplier.b;
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vertices[v].color[3] = colorMultiplier.a;
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vertices[v].texCoord[0] = faceTexCoords[v][0];
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vertices[v].texCoord[1] = faceTexCoords[v][1];
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vertices[v].lightValue[0] = job.chunkData.getSunlight(x, y, z);
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vertices[v].lightValue[1] = job.chunkData.getTorchlight(x, y, z);
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vertices[v].ambientOcclusion = 4;
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}
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job.vertices[ChunkMeshLayer::Flora].emplace_back(vertices[0]);
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job.vertices[ChunkMeshLayer::Flora].emplace_back(vertices[1]);
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job.vertices[ChunkMeshLayer::Flora].emplace_back(vertices[3]);
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job.vertices[ChunkMeshLayer::Flora].emplace_back(vertices[3]);
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job.vertices[ChunkMeshLayer::Flora].emplace_back(vertices[1]);
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job.vertices[ChunkMeshLayer::Flora].emplace_back(vertices[2]);
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job.totalVertexCount += 6;
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}
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}
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// Based on this article: https://0fps.net/2013/07/03/ambient-occlusion-for-minecraft-like-worlds/
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inline u8 ChunkMeshBuilder::getAmbientOcclusion(s8f x, s8f y, s8f z, const gk::Vector3<s8f> &offset, const gk::Vector3<s8f> &normal, const ChunkData &chunk) {
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gk::Vector3<s8f> minOffset{
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s8f((normal.x != 0) ? offset.x : 0),
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s8f((normal.y != 0) ? offset.y : 0),
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s8f((normal.z != 0) ? offset.z : 0)
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};
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const BlockState *blocks[4] = {
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chunk.getBlockState(x + minOffset.x, y + minOffset.y, z + offset.z),
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chunk.getBlockState(x + offset.x, y + minOffset.y, z + minOffset.z),
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chunk.getBlockState(x + minOffset.x, y + offset.y, z + minOffset.z),
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chunk.getBlockState(x + offset.x, y + offset.y, z + offset.z)
|
||||
};
|
||||
|
||||
bool blockPresence[4] = {
|
||||
blocks[0] && blocks[0]->block().id() != 0 && blocks[0]->isOpaque(),
|
||||
blocks[1] && blocks[1]->block().id() != 0 && blocks[1]->isOpaque(),
|
||||
blocks[2] && blocks[2]->block().id() != 0 && blocks[2]->isOpaque(),
|
||||
blocks[3] && blocks[3]->block().id() != 0 && blocks[3]->isOpaque()
|
||||
};
|
||||
|
||||
bool side1 = blockPresence[(minOffset.x != 0) ? 2 : 1];
|
||||
bool side2 = blockPresence[(minOffset.z != 0) ? 2 : 0];
|
||||
bool corner = blockPresence[3];
|
||||
|
||||
return u8((side1 && side2) ? 0 : 3 - (side1 + side2 + corner));
|
||||
}
|
||||
|
||||
inline u8 ChunkMeshBuilder::getLightForVertex(Light light, s8f x, s8f y, s8f z, const gk::Vector3<s8f> &offset, const gk::Vector3<s8f> &normal, const ChunkData &chunk) {
|
||||
gk::Vector3<s8f> minOffset{
|
||||
(normal.x != 0) ? offset.x : s8f(0),
|
||||
(normal.y != 0) ? offset.y : s8f(0),
|
||||
(normal.z != 0) ? offset.z : s8f(0)
|
||||
};
|
||||
|
||||
gk::Vector3<s8f> surroundingBlocks[4]{
|
||||
{s8f(x + minOffset.x), s8f(y + minOffset.y), s8f(z + offset.z)},
|
||||
{s8f(x + offset.x), s8f(y + minOffset.y), s8f(z + minOffset.z)},
|
||||
{s8f(x + minOffset.x), s8f(y + offset.y), s8f(z + minOffset.z)},
|
||||
{s8f(x + offset.x), s8f(y + offset.y), s8f(z + offset.z)}
|
||||
};
|
||||
|
||||
auto getLight = [&](const ChunkData &chunk, s8f x, s8f y, s8f z) -> s8 {
|
||||
return (light == Light::Sun) ? chunk.getSunlight(x, y, z) : chunk.getTorchlight(x, y, z);
|
||||
};
|
||||
|
||||
// Get light values for surrounding blocks
|
||||
s8 lightValues[4] = {
|
||||
getLight(chunk, surroundingBlocks[0].x, surroundingBlocks[0].y, surroundingBlocks[0].z),
|
||||
getLight(chunk, surroundingBlocks[1].x, surroundingBlocks[1].y, surroundingBlocks[1].z),
|
||||
getLight(chunk, surroundingBlocks[2].x, surroundingBlocks[2].y, surroundingBlocks[2].z),
|
||||
getLight(chunk, surroundingBlocks[3].x, surroundingBlocks[3].y, surroundingBlocks[3].z),
|
||||
};
|
||||
|
||||
u8 count = 0, total = 0;
|
||||
for (u8 i = 0 ; i < 4 ; ++i) {
|
||||
// Fix light approximation
|
||||
if (i == 3 && lightValues[i] > lightValues[0] && !lightValues[1] && !lightValues[2])
|
||||
continue;
|
||||
|
||||
// If the chunk is initialized, add the light value to the total
|
||||
// But only add dark blocks if AO is set on Smooth Lighting
|
||||
if (lightValues[i] != -1 && (Config::ambientOcclusion == 2 || lightValues[i] != 0)) {
|
||||
total += (u8)lightValues[i];
|
||||
++count;
|
||||
}
|
||||
}
|
||||
|
||||
if (count)
|
||||
return u8(total / count);
|
||||
else
|
||||
return 0;
|
||||
return job;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -29,77 +29,7 @@
|
|||
|
||||
#include <thread/ThreadPool.hpp>
|
||||
|
||||
#include "Chunk.hpp"
|
||||
#include "ChunkMeshLayer.hpp"
|
||||
#include "Registry.hpp"
|
||||
#include "TextureAtlas.hpp"
|
||||
#include "Vertex.hpp"
|
||||
|
||||
struct ChunkData {
|
||||
s32 x, y, z;
|
||||
u32 data[CHUNK_HEIGHT + 2][CHUNK_DEPTH + 2][CHUNK_WIDTH + 2];
|
||||
std::optional<u8> lightData[CHUNK_HEIGHT + 2][CHUNK_DEPTH + 2][CHUNK_WIDTH + 2];
|
||||
|
||||
void loadFromChunk(const Chunk &chunk) {
|
||||
x = chunk.x();
|
||||
y = chunk.y();
|
||||
z = chunk.z();
|
||||
|
||||
for (s8f z = -1 ; z <= CHUNK_HEIGHT ; ++z) {
|
||||
for (s8f y = -1 ; y <= CHUNK_DEPTH ; ++y) {
|
||||
for (s8f x = -1 ; x <= CHUNK_WIDTH ; ++x) {
|
||||
data[z + 1][y + 1][x + 1] = chunk.getFullBlock(x, y, z);
|
||||
lightData[z + 1][y + 1][x + 1] = chunk.lightmap().tryGetLightData(x, y, z);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
u16 getBlockID(s8f x, s8f y, s8f z) const {
|
||||
return u16(data[z + 1][y + 1][x + 1] & 0xffff);
|
||||
}
|
||||
|
||||
u16 getBlockParam(s8f x, s8f y, s8f z) const {
|
||||
return u16((data[z + 1][y + 1][x + 1] >> 16) & 0xffff);
|
||||
}
|
||||
|
||||
s8 getTorchlight(s8f x, s8f y, s8f z) const {
|
||||
auto light = lightData[z + 1][y + 1][x + 1];
|
||||
return light ? light.value() & 0xf : -1;
|
||||
}
|
||||
|
||||
s8 getSunlight(s8f x, s8f y, s8f z) const {
|
||||
auto light = lightData[z + 1][y + 1][x + 1];
|
||||
return light ? (light.value() >> 4) & 0xf : -1;
|
||||
}
|
||||
|
||||
const BlockState *getBlockState(s8f x, s8f y, s8f z) const {
|
||||
if (!lightData[z + 1][y + 1][x + 1]) return nullptr;
|
||||
|
||||
u16 blockID = getBlockID(x, y, z);
|
||||
u16 blockParam = getBlockParam(x, y, z);
|
||||
|
||||
return &getBlockState(blockID, blockParam);
|
||||
}
|
||||
|
||||
static const BlockState &getBlockState(u16 blockID, u16 blockParam) {
|
||||
const Block &block = Registry::getInstance().getBlock(blockID);
|
||||
return block.getState(block.param().hasParam(BlockParam::State) ?
|
||||
block.param().getParam(BlockParam::State, blockParam) : 0);
|
||||
}
|
||||
};
|
||||
|
||||
struct ChunkMeshBuildingJob {
|
||||
using VerticesArray = std::array<std::vector<Vertex>, ChunkMeshLayer::Count>;
|
||||
|
||||
ChunkData chunkData;
|
||||
|
||||
VerticesArray vertices;
|
||||
|
||||
const TextureAtlas *textureAtlas;
|
||||
|
||||
u64 totalVertexCount = 0;
|
||||
};
|
||||
#include "ChunkMeshBuildingJob.hpp"
|
||||
|
||||
class ClientWorld;
|
||||
|
||||
|
|
@ -112,24 +42,7 @@ class ChunkMeshBuilder {
|
|||
void update();
|
||||
|
||||
private:
|
||||
static void addCross(s8f x, s8f y, s8f z, ChunkMeshBuildingJob &job, const BlockState &blockState);
|
||||
|
||||
static void addCube(s8f x, s8f y, s8f z, ChunkMeshBuildingJob &job, const BlockState &blockState, u16 blockParam);
|
||||
static void addCubeFace(s8f x, s8f y, s8f z, s8f f, ChunkMeshBuildingJob &job,
|
||||
const BlockState &blockState,
|
||||
const gk::Vector3<s8f> &normal, const glm::vec3 *const vertexPos[4],
|
||||
const gk::Vector3<s8f> *const neighbourOfs[4]);
|
||||
|
||||
enum class Light {
|
||||
Sun,
|
||||
Torch
|
||||
};
|
||||
|
||||
static u8 getAmbientOcclusion(s8f x, s8f y, s8f z, const gk::Vector3<s8f> &offset,
|
||||
const gk::Vector3<s8f> &normal, const ChunkData &chunk);
|
||||
|
||||
static u8 getLightForVertex(Light light, s8f x, s8f y, s8f z, const gk::Vector3<s8f> &offset,
|
||||
const gk::Vector3<s8f> &normal, const ChunkData &chunk);
|
||||
static ChunkMeshBuildingJob buildChunkMesh(ChunkMeshBuildingJob job);
|
||||
|
||||
ClientWorld &m_world;
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,246 @@
|
|||
/*
|
||||
* =====================================================================================
|
||||
*
|
||||
* OpenMiner
|
||||
*
|
||||
* Copyright (C) 2018-2020 Unarelith, Quentin Bazin <openminer@unarelith.net>
|
||||
* Copyright (C) 2019-2020 the OpenMiner contributors (see CONTRIBUTORS.md)
|
||||
*
|
||||
* This file is part of OpenMiner.
|
||||
*
|
||||
* OpenMiner is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* OpenMiner is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with OpenMiner; if not, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*
|
||||
* =====================================================================================
|
||||
*/
|
||||
#include "BlockGeometry.hpp"
|
||||
#include "BlockMesher.hpp"
|
||||
#include "Config.hpp"
|
||||
#include "LightUtils.hpp"
|
||||
|
||||
using namespace BlockGeometry;
|
||||
using namespace LightUtils;
|
||||
|
||||
void BlockMesher::addCube(s8f x, s8f y, s8f z, ChunkMeshBuildingJob &job,
|
||||
const BlockState &blockState, u16 blockParam)
|
||||
{
|
||||
const gk::FloatBox &boundingBox = blockState.boundingBox();
|
||||
|
||||
u8f orientation = blockState.block().isRotatable()
|
||||
? (u8f)blockState.block().param().getParam(BlockParam::Rotation, blockParam) : 0;
|
||||
const glm::mat3 &orientMatrix = orientMatrices[orientation];
|
||||
|
||||
glm::vec3 vertexPos[nVertsPerCube]{
|
||||
// Order is important. It matches the bit order defined in BlockGeometry::cubeVerts.
|
||||
{boundingBox.x, boundingBox.y, boundingBox.z},
|
||||
{boundingBox.x + boundingBox.sizeX, boundingBox.y, boundingBox.z},
|
||||
{boundingBox.x, boundingBox.y + boundingBox.sizeY, boundingBox.z},
|
||||
{boundingBox.x + boundingBox.sizeX, boundingBox.y + boundingBox.sizeY, boundingBox.z},
|
||||
{boundingBox.x, boundingBox.y, boundingBox.z + boundingBox.sizeZ},
|
||||
{boundingBox.x + boundingBox.sizeX, boundingBox.y, boundingBox.z + boundingBox.sizeZ},
|
||||
{boundingBox.x, boundingBox.y + boundingBox.sizeY, boundingBox.z + boundingBox.sizeZ},
|
||||
{boundingBox.x + boundingBox.sizeX, boundingBox.y + boundingBox.sizeY, boundingBox.z + boundingBox.sizeZ},
|
||||
};
|
||||
|
||||
if (blockState.drawType() == BlockDrawType::Cactus) {
|
||||
// Ignore bounding box, initialize it to full node coordinates
|
||||
for (u8f i = 0; i < nVertsPerCube; ++i) {
|
||||
vertexPos[i].x = float((i >> 0) & 1);
|
||||
vertexPos[i].y = float((i >> 1) & 1);
|
||||
vertexPos[i].z = float((i >> 2) & 1);
|
||||
}
|
||||
}
|
||||
|
||||
// vNeighbour is used to find neighbouring cubes per vertex.
|
||||
// Same binary layout.
|
||||
glm::vec3 vNeighbour[nVertsPerCube] = {
|
||||
{-1,-1,-1}, { 1,-1,-1}, {-1, 1,-1}, { 1, 1,-1}, {-1,-1, 1}, { 1,-1, 1}, {-1, 1, 1}, {1, 1, 1},
|
||||
};
|
||||
|
||||
if (orientation) { // don't work extra if it's not oriented differently
|
||||
static const glm::vec3 half{0.5, 0.5, 0.5};
|
||||
// Rotate each vertex coordinate around the centre of the
|
||||
// cube, and each vertex neighbour around the origin
|
||||
for (int i = 0; i < nVertsPerCube; ++i) {
|
||||
vertexPos[i] = orientMatrix * (vertexPos[i] - half) + half;
|
||||
vNeighbour[i] = orientMatrix * vNeighbour[i];
|
||||
}
|
||||
}
|
||||
|
||||
for (s8f f = 0; f < nFaces ; ++f) {
|
||||
// Construct the normal vector to a face
|
||||
const glm::vec3 glmNormal = orientMatrix * faceNormals[f];
|
||||
const gk::Vector3<s8f> normal{s8f(glmNormal.x), s8f(glmNormal.y), s8f(glmNormal.z)};
|
||||
|
||||
// Construct an array with the 4 vertex positions of this face
|
||||
glm::vec3 *faceVerts[nVertsPerFace]{
|
||||
&vertexPos[cubeVerts[f][0]], &vertexPos[cubeVerts[f][1]],
|
||||
&vertexPos[cubeVerts[f][2]], &vertexPos[cubeVerts[f][3]]
|
||||
};
|
||||
|
||||
// Construct an array with the 4 vertex neighbours of this face
|
||||
// (as GameKit integer vectors)
|
||||
const gk::Vector3<s8f> corner0{s8f(vNeighbour[cubeVerts[f][0]].x), s8f(vNeighbour[cubeVerts[f][0]].y), s8f(vNeighbour[cubeVerts[f][0]].z)};
|
||||
const gk::Vector3<s8f> corner1{s8f(vNeighbour[cubeVerts[f][1]].x), s8f(vNeighbour[cubeVerts[f][1]].y), s8f(vNeighbour[cubeVerts[f][1]].z)};
|
||||
const gk::Vector3<s8f> corner2{s8f(vNeighbour[cubeVerts[f][2]].x), s8f(vNeighbour[cubeVerts[f][2]].y), s8f(vNeighbour[cubeVerts[f][2]].z)};
|
||||
const gk::Vector3<s8f> corner3{s8f(vNeighbour[cubeVerts[f][3]].x), s8f(vNeighbour[cubeVerts[f][3]].y), s8f(vNeighbour[cubeVerts[f][3]].z)};
|
||||
|
||||
const gk::Vector3<s8f> *vFaceNeighbours[nVertsPerFace]{&corner0, &corner1, &corner2, &corner3};
|
||||
|
||||
addCubeFace(x, y, z, f, job, blockState, normal, faceVerts, vFaceNeighbours);
|
||||
}
|
||||
}
|
||||
|
||||
void BlockMesher::addCubeFace(s8f x, s8f y, s8f z, s8f f, ChunkMeshBuildingJob &job,
|
||||
const BlockState &blockState,
|
||||
const gk::Vector3<s8f> &normal,
|
||||
const glm::vec3 *const vertexPos[nVertsPerFace],
|
||||
const gk::Vector3<s8f> *const neighbourOfs[nVertsPerFace])
|
||||
{
|
||||
// Get surrounding block for the face
|
||||
s8f sx = x + normal.x;
|
||||
s8f sy = y + normal.y;
|
||||
s8f sz = z + normal.z;
|
||||
|
||||
const BlockState *surroundingBlockState = job.chunkData.getBlockState(sx, sy, sz);
|
||||
|
||||
// Skip hidden faces
|
||||
if (surroundingBlockState && surroundingBlockState->block().id()
|
||||
&& ((blockState.drawType() == BlockDrawType::Solid && surroundingBlockState->drawType() == BlockDrawType::Solid && surroundingBlockState->isOpaque())
|
||||
|| (blockState.block().id() == surroundingBlockState->block().id() && (blockState.drawType() == BlockDrawType::Liquid || blockState.drawType() == BlockDrawType::Glass))
|
||||
|| (blockState.drawType() == BlockDrawType::Liquid && surroundingBlockState->drawType() == BlockDrawType::Solid)
|
||||
|| (blockState.drawType() == BlockDrawType::Cactus && surroundingBlockState->block().id() == blockState.block().id() && f > 3)))
|
||||
return;
|
||||
|
||||
const gk::FloatBox &boundingBox = blockState.boundingBox();
|
||||
|
||||
const std::string &texture = blockState.tiles().getTextureForFace(f);
|
||||
const gk::FloatRect &blockTexCoords = job.textureAtlas->getTexCoords(texture);
|
||||
|
||||
// Calculate UV's
|
||||
// These are tough to obtain. Note that texture Y grows in the up-down direction, and so does V.
|
||||
// Vertex index in the bitmap array and U/V correspondence is:
|
||||
// U0V0 -> 3 2 <- U1V0
|
||||
// U0V1 -> 0 1 <- U1V1
|
||||
float U0, V0, U1, V1;
|
||||
if (blockState.drawType() == BlockDrawType::Cactus) {
|
||||
U0 = 0.f;
|
||||
V0 = 0.f;
|
||||
U1 = 1.f;
|
||||
V1 = 1.f;
|
||||
}
|
||||
else {
|
||||
U0 = (f == 0) ? 1.f - (boundingBox.y + boundingBox.sizeY) : (f == 1) ? boundingBox.y :
|
||||
(f == 3) ? 1.f - (boundingBox.x + boundingBox.sizeX) : boundingBox.x;
|
||||
V0 = (f <= 3) ? 1.f - (boundingBox.z + boundingBox.sizeZ) : (f == 4) ? boundingBox.y : 1.f - (boundingBox.y + boundingBox.sizeY);
|
||||
U1 = (f == 0) ? 1.f - boundingBox.y : (f == 1) ? boundingBox.y + boundingBox.sizeY :
|
||||
(f == 3) ? 1.f - boundingBox.x : boundingBox.x + boundingBox.sizeX;
|
||||
V1 = (f <= 3) ? 1.f - boundingBox.z : (f == 4) ? boundingBox.y + boundingBox.sizeY : 1.f - boundingBox.y;
|
||||
}
|
||||
|
||||
// Prepare vertex information for VBO
|
||||
Vertex vertices[nVertsPerFace];
|
||||
for (s8f v = 0; v < nVertsPerFace; ++v) {
|
||||
if (blockState.drawType() == BlockDrawType::Cactus) {
|
||||
vertices[v].coord3d[0] = x + vertexPos[v]->x - boundingBox.x * (float)normal.x;
|
||||
vertices[v].coord3d[1] = y + vertexPos[v]->y - boundingBox.y * (float)normal.y;
|
||||
vertices[v].coord3d[2] = z + vertexPos[v]->z - boundingBox.z * (float)normal.z;
|
||||
}
|
||||
else {
|
||||
float blockHeight = vertexPos[v]->z;
|
||||
if (blockState.drawType() == BlockDrawType::Liquid) {
|
||||
const BlockState *topBlockState = job.chunkData.getBlockState(x, y, z + 1);
|
||||
if (f != BlockFace::Bottom && (!topBlockState || !topBlockState->block().id())) {
|
||||
blockHeight *= 14.f / 16.f;
|
||||
}
|
||||
}
|
||||
|
||||
vertices[v].coord3d[0] = x + vertexPos[v]->x;
|
||||
vertices[v].coord3d[1] = y + vertexPos[v]->y;
|
||||
vertices[v].coord3d[2] = z + blockHeight;
|
||||
}
|
||||
|
||||
vertices[v].coord3d[0] += blockState.drawOffset().x;
|
||||
vertices[v].coord3d[1] += blockState.drawOffset().y;
|
||||
vertices[v].coord3d[2] += blockState.drawOffset().z;
|
||||
|
||||
vertices[v].coord3d[3] = f;
|
||||
|
||||
vertices[v].normal[0] = (float)normal.x;
|
||||
vertices[v].normal[1] = (float)normal.y;
|
||||
vertices[v].normal[2] = (float)normal.z;
|
||||
|
||||
const gk::Color colorMultiplier = blockState.colorMultiplier();
|
||||
vertices[v].color[0] = colorMultiplier.r;
|
||||
vertices[v].color[1] = colorMultiplier.g;
|
||||
vertices[v].color[2] = colorMultiplier.b;
|
||||
vertices[v].color[3] = colorMultiplier.a;
|
||||
|
||||
float U = (v == 0 || v == 3) ? U0 : U1;
|
||||
float V = (v >= 2) ? V0 : V1;
|
||||
vertices[v].texCoord[0] = gk::qlerpf(blockTexCoords.x, blockTexCoords.x + blockTexCoords.sizeX, U);
|
||||
vertices[v].texCoord[1] = gk::qlerpf(blockTexCoords.y, blockTexCoords.y + blockTexCoords.sizeY, V);
|
||||
|
||||
if (Config::isSmoothLightingEnabled)
|
||||
vertices[v].lightValue[0] = getLightForVertex(LightType::Sun, x, y, z, *neighbourOfs[v], normal, job.chunkData);
|
||||
else if (blockState.isOpaque())
|
||||
vertices[v].lightValue[0] = job.chunkData.getSunlight(sx, sy, sz);
|
||||
else
|
||||
vertices[v].lightValue[0] = job.chunkData.getSunlight(x, y, z);
|
||||
|
||||
if (Config::isSmoothLightingEnabled && !blockState.isLightSource())
|
||||
vertices[v].lightValue[1] = getLightForVertex(LightType::Torch, x, y, z, *neighbourOfs[v], normal, job.chunkData);
|
||||
else if (blockState.isOpaque())
|
||||
vertices[v].lightValue[1] = job.chunkData.getTorchlight(sx, sy, sz);
|
||||
else
|
||||
vertices[v].lightValue[1] = job.chunkData.getTorchlight(x, y, z);
|
||||
|
||||
vertices[v].ambientOcclusion = getAmbientOcclusion(x, y, z, *neighbourOfs[v], normal, job.chunkData);
|
||||
}
|
||||
|
||||
auto addVertex = [&](u8 v) {
|
||||
if (Config::ambientOcclusion != 1 || blockState.isLightSource())
|
||||
vertices[v].ambientOcclusion = 4;
|
||||
|
||||
if (blockState.drawType() == BlockDrawType::Liquid)
|
||||
job.vertices[ChunkMeshLayer::Liquid].emplace_back(vertices[v]);
|
||||
else if (blockState.drawType() == BlockDrawType::Glass)
|
||||
job.vertices[ChunkMeshLayer::Glass].emplace_back(vertices[v]);
|
||||
else if (blockState.colorMultiplier() != gk::Color::White)
|
||||
job.vertices[ChunkMeshLayer::NoMipMap].emplace_back(vertices[v]);
|
||||
else
|
||||
job.vertices[ChunkMeshLayer::Solid].emplace_back(vertices[v]);
|
||||
};
|
||||
|
||||
// Flipping quad to fix anisotropy issue
|
||||
if (vertices[0].ambientOcclusion + vertices[2].ambientOcclusion >
|
||||
vertices[1].ambientOcclusion + vertices[3].ambientOcclusion) {
|
||||
addVertex(0);
|
||||
addVertex(1);
|
||||
addVertex(2);
|
||||
addVertex(2);
|
||||
addVertex(3);
|
||||
addVertex(0);
|
||||
} else {
|
||||
addVertex(0);
|
||||
addVertex(1);
|
||||
addVertex(3);
|
||||
addVertex(3);
|
||||
addVertex(1);
|
||||
addVertex(2);
|
||||
}
|
||||
|
||||
job.totalVertexCount += 6;
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,43 @@
|
|||
/*
|
||||
* =====================================================================================
|
||||
*
|
||||
* OpenMiner
|
||||
*
|
||||
* Copyright (C) 2018-2020 Unarelith, Quentin Bazin <openminer@unarelith.net>
|
||||
* Copyright (C) 2019-2020 the OpenMiner contributors (see CONTRIBUTORS.md)
|
||||
*
|
||||
* This file is part of OpenMiner.
|
||||
*
|
||||
* OpenMiner is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* OpenMiner is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with OpenMiner; if not, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*
|
||||
* =====================================================================================
|
||||
*/
|
||||
#ifndef BLOCKMESHER_HPP_
|
||||
#define BLOCKMESHER_HPP_
|
||||
|
||||
#include "ChunkMeshBuildingJob.hpp"
|
||||
|
||||
class BlockMesher {
|
||||
public:
|
||||
static void addCube(s8f x, s8f y, s8f z, ChunkMeshBuildingJob &job,
|
||||
const BlockState &blockState, u16 blockParam);
|
||||
|
||||
static void addCubeFace(s8f x, s8f y, s8f z, s8f f, ChunkMeshBuildingJob &job,
|
||||
const BlockState &blockState,
|
||||
const gk::Vector3<s8f> &normal, const glm::vec3 *const vertexPos[4],
|
||||
const gk::Vector3<s8f> *const neighbourOfs[4]);
|
||||
};
|
||||
|
||||
#endif // BLOCKMESHER_HPP_
|
||||
|
|
@ -0,0 +1,102 @@
|
|||
/*
|
||||
* =====================================================================================
|
||||
*
|
||||
* OpenMiner
|
||||
*
|
||||
* Copyright (C) 2018-2020 Unarelith, Quentin Bazin <openminer@unarelith.net>
|
||||
* Copyright (C) 2019-2020 the OpenMiner contributors (see CONTRIBUTORS.md)
|
||||
*
|
||||
* This file is part of OpenMiner.
|
||||
*
|
||||
* OpenMiner is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* OpenMiner is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with OpenMiner; if not, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*
|
||||
* =====================================================================================
|
||||
*/
|
||||
#ifndef CHUNKMESHBUILDINGJOB_HPP_
|
||||
#define CHUNKMESHBUILDINGJOB_HPP_
|
||||
|
||||
#include "Chunk.hpp"
|
||||
#include "ChunkMeshLayer.hpp"
|
||||
#include "Registry.hpp"
|
||||
#include "TextureAtlas.hpp"
|
||||
#include "Vertex.hpp"
|
||||
|
||||
struct ChunkData {
|
||||
s32 x, y, z;
|
||||
u32 data[CHUNK_HEIGHT + 2][CHUNK_DEPTH + 2][CHUNK_WIDTH + 2];
|
||||
std::optional<u8> lightData[CHUNK_HEIGHT + 2][CHUNK_DEPTH + 2][CHUNK_WIDTH + 2];
|
||||
|
||||
void loadFromChunk(const Chunk &chunk) {
|
||||
x = chunk.x();
|
||||
y = chunk.y();
|
||||
z = chunk.z();
|
||||
|
||||
for (s8f z = -1 ; z <= CHUNK_HEIGHT ; ++z) {
|
||||
for (s8f y = -1 ; y <= CHUNK_DEPTH ; ++y) {
|
||||
for (s8f x = -1 ; x <= CHUNK_WIDTH ; ++x) {
|
||||
data[z + 1][y + 1][x + 1] = chunk.getFullBlock(x, y, z);
|
||||
lightData[z + 1][y + 1][x + 1] = chunk.lightmap().tryGetLightData(x, y, z);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
u16 getBlockID(s8f x, s8f y, s8f z) const {
|
||||
return u16(data[z + 1][y + 1][x + 1] & 0xffff);
|
||||
}
|
||||
|
||||
u16 getBlockParam(s8f x, s8f y, s8f z) const {
|
||||
return u16((data[z + 1][y + 1][x + 1] >> 16) & 0xffff);
|
||||
}
|
||||
|
||||
s8 getTorchlight(s8f x, s8f y, s8f z) const {
|
||||
auto light = lightData[z + 1][y + 1][x + 1];
|
||||
return light ? light.value() & 0xf : -1;
|
||||
}
|
||||
|
||||
s8 getSunlight(s8f x, s8f y, s8f z) const {
|
||||
auto light = lightData[z + 1][y + 1][x + 1];
|
||||
return light ? (light.value() >> 4) & 0xf : -1;
|
||||
}
|
||||
|
||||
const BlockState *getBlockState(s8f x, s8f y, s8f z) const {
|
||||
if (!lightData[z + 1][y + 1][x + 1]) return nullptr;
|
||||
|
||||
u16 blockID = getBlockID(x, y, z);
|
||||
u16 blockParam = getBlockParam(x, y, z);
|
||||
|
||||
return &getBlockState(blockID, blockParam);
|
||||
}
|
||||
|
||||
static const BlockState &getBlockState(u16 blockID, u16 blockParam) {
|
||||
const Block &block = Registry::getInstance().getBlock(blockID);
|
||||
return block.getState(block.param().hasParam(BlockParam::State) ?
|
||||
block.param().getParam(BlockParam::State, blockParam) : 0);
|
||||
}
|
||||
};
|
||||
|
||||
struct ChunkMeshBuildingJob {
|
||||
using VerticesArray = std::array<std::vector<Vertex>, ChunkMeshLayer::Count>;
|
||||
|
||||
ChunkData chunkData;
|
||||
|
||||
VerticesArray vertices;
|
||||
|
||||
const TextureAtlas *textureAtlas;
|
||||
|
||||
u64 totalVertexCount = 0;
|
||||
};
|
||||
|
||||
#endif // CHUNKMESHBUILDINGJOB_HPP_
|
||||
|
|
@ -0,0 +1,114 @@
|
|||
/*
|
||||
* =====================================================================================
|
||||
*
|
||||
* OpenMiner
|
||||
*
|
||||
* Copyright (C) 2018-2020 Unarelith, Quentin Bazin <openminer@unarelith.net>
|
||||
* Copyright (C) 2019-2020 the OpenMiner contributors (see CONTRIBUTORS.md)
|
||||
*
|
||||
* This file is part of OpenMiner.
|
||||
*
|
||||
* OpenMiner is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* OpenMiner is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with OpenMiner; if not, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*
|
||||
* =====================================================================================
|
||||
*/
|
||||
#include "Config.hpp"
|
||||
#include "LightUtils.hpp"
|
||||
|
||||
// Based on this article: https://0fps.net/2013/07/03/ambient-occlusion-for-minecraft-like-worlds/
|
||||
u8 LightUtils::getAmbientOcclusion(s8f x, s8f y, s8f z,
|
||||
const gk::Vector3<s8f> &offset,
|
||||
const gk::Vector3<s8f> &normal,
|
||||
const ChunkData &chunk)
|
||||
{
|
||||
gk::Vector3<s8f> minOffset{
|
||||
s8f((normal.x != 0) ? offset.x : 0),
|
||||
s8f((normal.y != 0) ? offset.y : 0),
|
||||
s8f((normal.z != 0) ? offset.z : 0)
|
||||
};
|
||||
|
||||
const BlockState *blocks[4] = {
|
||||
chunk.getBlockState(x + minOffset.x, y + minOffset.y, z + offset.z),
|
||||
chunk.getBlockState(x + offset.x, y + minOffset.y, z + minOffset.z),
|
||||
chunk.getBlockState(x + minOffset.x, y + offset.y, z + minOffset.z),
|
||||
chunk.getBlockState(x + offset.x, y + offset.y, z + offset.z)
|
||||
};
|
||||
|
||||
bool blockPresence[4] = {
|
||||
blocks[0] && blocks[0]->block().id() != 0 && blocks[0]->isOpaque(),
|
||||
blocks[1] && blocks[1]->block().id() != 0 && blocks[1]->isOpaque(),
|
||||
blocks[2] && blocks[2]->block().id() != 0 && blocks[2]->isOpaque(),
|
||||
blocks[3] && blocks[3]->block().id() != 0 && blocks[3]->isOpaque()
|
||||
};
|
||||
|
||||
bool side1 = blockPresence[(minOffset.x != 0) ? 2 : 1];
|
||||
bool side2 = blockPresence[(minOffset.z != 0) ? 2 : 0];
|
||||
bool corner = blockPresence[3];
|
||||
|
||||
return u8((side1 && side2) ? 0 : 3 - (side1 + side2 + corner));
|
||||
}
|
||||
|
||||
u8 LightUtils::getLightForVertex(LightType lightType, s8f x, s8f y, s8f z,
|
||||
const gk::Vector3<s8f> &offset,
|
||||
const gk::Vector3<s8f> &normal,
|
||||
const ChunkData &chunk)
|
||||
{
|
||||
gk::Vector3<s8f> minOffset{
|
||||
(normal.x != 0) ? offset.x : s8f(0),
|
||||
(normal.y != 0) ? offset.y : s8f(0),
|
||||
(normal.z != 0) ? offset.z : s8f(0)
|
||||
};
|
||||
|
||||
gk::Vector3<s8f> surroundingBlocks[4]{
|
||||
{s8f(x + minOffset.x), s8f(y + minOffset.y), s8f(z + offset.z)},
|
||||
{s8f(x + offset.x), s8f(y + minOffset.y), s8f(z + minOffset.z)},
|
||||
{s8f(x + minOffset.x), s8f(y + offset.y), s8f(z + minOffset.z)},
|
||||
{s8f(x + offset.x), s8f(y + offset.y), s8f(z + offset.z)}
|
||||
};
|
||||
|
||||
auto getLight = [&](const ChunkData &chunk, s8f x, s8f y, s8f z) -> s8 {
|
||||
return (lightType == LightType::Sun)
|
||||
? chunk.getSunlight(x, y, z)
|
||||
: chunk.getTorchlight(x, y, z);
|
||||
};
|
||||
|
||||
// Get light values for surrounding blocks
|
||||
s8 lightValues[4] = {
|
||||
getLight(chunk, surroundingBlocks[0].x, surroundingBlocks[0].y, surroundingBlocks[0].z),
|
||||
getLight(chunk, surroundingBlocks[1].x, surroundingBlocks[1].y, surroundingBlocks[1].z),
|
||||
getLight(chunk, surroundingBlocks[2].x, surroundingBlocks[2].y, surroundingBlocks[2].z),
|
||||
getLight(chunk, surroundingBlocks[3].x, surroundingBlocks[3].y, surroundingBlocks[3].z),
|
||||
};
|
||||
|
||||
u8 count = 0, total = 0;
|
||||
for (u8 i = 0 ; i < 4 ; ++i) {
|
||||
// Fix light approximation
|
||||
if (i == 3 && lightValues[i] > lightValues[0] && !lightValues[1] && !lightValues[2])
|
||||
continue;
|
||||
|
||||
// If the chunk is initialized, add the light value to the total
|
||||
// But only add dark blocks if AO is set on Smooth Lighting
|
||||
if (lightValues[i] != -1 && (Config::ambientOcclusion == 2 || lightValues[i] != 0)) {
|
||||
total += (u8)lightValues[i];
|
||||
++count;
|
||||
}
|
||||
}
|
||||
|
||||
if (count)
|
||||
return u8(total / count);
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,46 @@
|
|||
/*
|
||||
* =====================================================================================
|
||||
*
|
||||
* OpenMiner
|
||||
*
|
||||
* Copyright (C) 2018-2020 Unarelith, Quentin Bazin <openminer@unarelith.net>
|
||||
* Copyright (C) 2019-2020 the OpenMiner contributors (see CONTRIBUTORS.md)
|
||||
*
|
||||
* This file is part of OpenMiner.
|
||||
*
|
||||
* OpenMiner is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* OpenMiner is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with OpenMiner; if not, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*
|
||||
* =====================================================================================
|
||||
*/
|
||||
#ifndef LIGHTUTILS_HPP_
|
||||
#define LIGHTUTILS_HPP_
|
||||
|
||||
#include "BlockMesher.hpp"
|
||||
|
||||
namespace LightUtils {
|
||||
enum LightType {
|
||||
Sun,
|
||||
Torch
|
||||
};
|
||||
|
||||
u8 getAmbientOcclusion(s8f x, s8f y, s8f z, const gk::Vector3<s8f> &offset,
|
||||
const gk::Vector3<s8f> &normal, const ChunkData &chunk);
|
||||
|
||||
u8 getLightForVertex(LightType lightType, s8f x, s8f y, s8f z,
|
||||
const gk::Vector3<s8f> &offset,
|
||||
const gk::Vector3<s8f> &normal, const ChunkData &chunk);
|
||||
};
|
||||
|
||||
#endif // LIGHTUTILS_HPP_
|
||||
|
|
@ -0,0 +1,101 @@
|
|||
/*
|
||||
* =====================================================================================
|
||||
*
|
||||
* OpenMiner
|
||||
*
|
||||
* Copyright (C) 2018-2020 Unarelith, Quentin Bazin <openminer@unarelith.net>
|
||||
* Copyright (C) 2019-2020 the OpenMiner contributors (see CONTRIBUTORS.md)
|
||||
*
|
||||
* This file is part of OpenMiner.
|
||||
*
|
||||
* OpenMiner is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* OpenMiner is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with OpenMiner; if not, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*
|
||||
* =====================================================================================
|
||||
*/
|
||||
#include "BlockGeometry.hpp"
|
||||
#include "ChunkMeshBuildingJob.hpp"
|
||||
#include "XShapeMesher.hpp"
|
||||
|
||||
using namespace BlockGeometry;
|
||||
|
||||
void XShapeMesher::addCross(s8f x, s8f y, s8f z, ChunkMeshBuildingJob &job,
|
||||
const BlockState &blockState)
|
||||
{
|
||||
glm::vec3 vertexPos[nVertsPerCube]{
|
||||
{0, 0, 0},
|
||||
{1, 0, 0},
|
||||
{0, 1, 0},
|
||||
{1, 1, 0},
|
||||
{0, 0, 1},
|
||||
{1, 0, 1},
|
||||
{0, 1, 1},
|
||||
{1, 1, 1},
|
||||
};
|
||||
|
||||
const glm::vec3 *const faceVertices[nCrossFaces][nVertsPerFace]{
|
||||
{&vertexPos[crossVerts[0][0]], &vertexPos[crossVerts[0][1]],
|
||||
&vertexPos[crossVerts[0][2]], &vertexPos[crossVerts[0][3]]},
|
||||
{&vertexPos[crossVerts[1][0]], &vertexPos[crossVerts[1][1]],
|
||||
&vertexPos[crossVerts[1][2]], &vertexPos[crossVerts[1][3]]},
|
||||
};
|
||||
|
||||
const std::string &texture = blockState.tiles().getTextureForFace(0);
|
||||
const gk::FloatRect &blockTexCoords = job.textureAtlas->getTexCoords(texture);
|
||||
|
||||
float faceTexCoords[nVertsPerFace][nCoordsPerUV] = {
|
||||
{blockTexCoords.x, blockTexCoords.y + blockTexCoords.sizeY},
|
||||
{blockTexCoords.x + blockTexCoords.sizeX, blockTexCoords.y + blockTexCoords.sizeY},
|
||||
{blockTexCoords.x + blockTexCoords.sizeX, blockTexCoords.y},
|
||||
{blockTexCoords.x, blockTexCoords.y},
|
||||
};
|
||||
|
||||
for (int f = 0; f < nCrossFaces ; ++f) {
|
||||
Vertex vertices[nVertsPerFace];
|
||||
for (int v = 0 ; v < nVertsPerFace ; ++v) {
|
||||
vertices[v].coord3d[0] = x + faceVertices[f][v]->x + blockState.drawOffset().x;
|
||||
vertices[v].coord3d[1] = y + faceVertices[f][v]->y + blockState.drawOffset().y;
|
||||
vertices[v].coord3d[2] = z + faceVertices[f][v]->z + blockState.drawOffset().z;
|
||||
vertices[v].coord3d[3] = 6;
|
||||
|
||||
vertices[v].normal[0] = 0;
|
||||
vertices[v].normal[1] = 0;
|
||||
vertices[v].normal[2] = 0;
|
||||
|
||||
const gk::Color colorMultiplier = blockState.colorMultiplier();
|
||||
vertices[v].color[0] = colorMultiplier.r;
|
||||
vertices[v].color[1] = colorMultiplier.g;
|
||||
vertices[v].color[2] = colorMultiplier.b;
|
||||
vertices[v].color[3] = colorMultiplier.a;
|
||||
|
||||
vertices[v].texCoord[0] = faceTexCoords[v][0];
|
||||
vertices[v].texCoord[1] = faceTexCoords[v][1];
|
||||
|
||||
vertices[v].lightValue[0] = job.chunkData.getSunlight(x, y, z);
|
||||
vertices[v].lightValue[1] = job.chunkData.getTorchlight(x, y, z);
|
||||
|
||||
vertices[v].ambientOcclusion = 4;
|
||||
}
|
||||
|
||||
job.vertices[ChunkMeshLayer::Flora].emplace_back(vertices[0]);
|
||||
job.vertices[ChunkMeshLayer::Flora].emplace_back(vertices[1]);
|
||||
job.vertices[ChunkMeshLayer::Flora].emplace_back(vertices[3]);
|
||||
job.vertices[ChunkMeshLayer::Flora].emplace_back(vertices[3]);
|
||||
job.vertices[ChunkMeshLayer::Flora].emplace_back(vertices[1]);
|
||||
job.vertices[ChunkMeshLayer::Flora].emplace_back(vertices[2]);
|
||||
|
||||
job.totalVertexCount += 6;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,41 @@
|
|||
/*
|
||||
* =====================================================================================
|
||||
*
|
||||
* OpenMiner
|
||||
*
|
||||
* Copyright (C) 2018-2020 Unarelith, Quentin Bazin <openminer@unarelith.net>
|
||||
* Copyright (C) 2019-2020 the OpenMiner contributors (see CONTRIBUTORS.md)
|
||||
*
|
||||
* This file is part of OpenMiner.
|
||||
*
|
||||
* OpenMiner is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* OpenMiner is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with OpenMiner; if not, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*
|
||||
* =====================================================================================
|
||||
*/
|
||||
#ifndef XSHAPEMESHER_HPP_
|
||||
#define XSHAPEMESHER_HPP_
|
||||
|
||||
#include <gk/core/IntTypes.hpp>
|
||||
|
||||
class ChunkMeshBuildingJob;
|
||||
class BlockState;
|
||||
|
||||
class XShapeMesher {
|
||||
public:
|
||||
static void addCross(s8f x, s8f y, s8f z, ChunkMeshBuildingJob &job,
|
||||
const BlockState &blockState);
|
||||
};
|
||||
|
||||
#endif // XSHAPEMESHER_HPP_
|
||||
Loading…
Reference in New Issue