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author | LaG1924 <12997935+LaG1924@users.noreply.github.com> | 2017-07-29 16:55:16 +0200 |
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committer | LaG1924 <12997935+LaG1924@users.noreply.github.com> | 2017-07-29 16:55:16 +0200 |
commit | f942405184c2d6067fb5303b58a225edf7e452b1 (patch) | |
tree | 83e70c7e3019e5b195c9caf41194b2113fa76d7f /old/world/World.cpp | |
parent | 2017-07-26 (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | old/world/World.cpp | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/old/world/World.cpp b/old/world/World.cpp new file mode 100644 index 0000000..487f4ba --- /dev/null +++ b/old/world/World.cpp @@ -0,0 +1,129 @@ +#include "World.hpp" + +void World::ParseChunkData(std::shared_ptr<PacketChunkData> packet) { + StreamBuffer chunkData(packet->Data.data(), packet->Data.size()); + std::bitset<16> bitmask(packet->PrimaryBitMask); + for (int i = 0; i < 16; i++) { + if (bitmask[i]) { + Vector chunkPosition = Vector(packet->ChunkX, i, packet->ChunkZ); + Section section = ParseSection(&chunkData, chunkPosition); + section.Parse(); + sectionMutexes[chunkPosition].lock(); + auto it = sections.find(chunkPosition); + if (it == sections.end()) { + sections.insert(std::make_pair(chunkPosition, section)); + } else { + using std::swap; + swap(it->second, section); + } + sectionMutexes[chunkPosition].unlock(); + } + } +} + +Section World::ParseSection(StreamInput *data, Vector position) { + unsigned char bitsPerBlock = data->ReadUByte(); + int paletteLength = data->ReadVarInt(); + std::vector<unsigned short> palette; + for (int i = 0; i < paletteLength; i++) { + palette.push_back(data->ReadVarInt()); + } + int dataArrayLength = data->ReadVarInt(); + auto dataArray = data->ReadByteArray(dataArrayLength * 8); + auto blockLight = data->ReadByteArray(4096 / 2); + std::vector<unsigned char> skyLight; + if (dimension == 0) + skyLight = data->ReadByteArray(4096 / 2); + return Section(position, dataArray.data(), dataArray.size(), blockLight.data(), + (skyLight.size() > 0 ? skyLight.data() : nullptr), bitsPerBlock, palette); +} + +World::~World() { +} + +World::World() { + +} + +bool World::isPlayerCollides(double X, double Y, double Z) { + Vector PlayerChunk(floor(X / 16.0), floor(Y / 16.0), floor(Z / 16.0)); + std::vector<Vector> closestSectionsCoordinates = { + Vector(PlayerChunk.GetX(), PlayerChunk.GetY(), PlayerChunk.GetZ()), + Vector(PlayerChunk.GetX() + 1, PlayerChunk.GetY(), PlayerChunk.GetZ()), + Vector(PlayerChunk.GetX() - 1, PlayerChunk.GetY(), PlayerChunk.GetZ()), + Vector(PlayerChunk.GetX(), PlayerChunk.GetY() + 1, PlayerChunk.GetZ()), + Vector(PlayerChunk.GetX(), PlayerChunk.GetY() - 1, PlayerChunk.GetZ()), + Vector(PlayerChunk.GetX(), PlayerChunk.GetY(), PlayerChunk.GetZ() + 1), + Vector(PlayerChunk.GetX(), PlayerChunk.GetY(), PlayerChunk.GetZ() - 1), + }; + std::vector<std::map<Vector, Section>::iterator> closestSections; + for (auto &coord:closestSectionsCoordinates) { + auto it = sections.find(coord); + if (it != sections.end()) + closestSections.push_back(it); + } + if (closestSections.empty()) + return false; + + for (auto &it:closestSections) { + + const double PlayerWidth = 0.6; + const double PlayerHeight = 1.82; + const double PlayerLength = 0.6; + + AABB playerColl; + playerColl.x = X - PlayerWidth / 2.0; + playerColl.w = PlayerWidth; + playerColl.y = Y; + playerColl.h = PlayerHeight; + playerColl.z = Z - PlayerLength / 2.0; + playerColl.l = PlayerLength; + + for (int x = 0; x < 16; x++) { + for (int y = 0; y < 16; y++) { + for (int z = 0; z < 16; z++) { + Block block = it->second.GetBlock(Vector(x, y, z)); + if (block.id == 0 || block.id == 31) + continue; + AABB blockColl{(x + it->first.GetX() * 16.0), + (y + it->first.GetY() * 16.0), + (z + it->first.GetZ() * 16.0), 1, 1, 1}; + if (TestCollision(playerColl, blockColl)) + return true; + } + } + } + } + return false; +} + +Block &World::GetBlock(Vector pos) { + Vector sectionPos (floor(pos.GetX() / 16.0f),floor(pos.GetY() / 16.0f),floor(pos.GetZ()/16.0f)); + Vector inSectionPos = pos - (sectionPos * 16); + if (sections.find(sectionPos)==sections.end()){ + static Block block(0,0); + return block; + } + sectionMutexes[sectionPos].lock(); + Block& block = sections.find(sectionPos)->second.GetBlock(inSectionPos); + sectionMutexes[sectionPos].unlock(); + return block; +} + +std::vector<Vector> World::GetSectionsList() { + std::vector<Vector> sectionsList; + for (auto& it:sections) { + sectionsList.push_back(it.first); + } + return sectionsList; +} + +Section &World::GetSection(Vector sectionPos) { + sectionMutexes[sectionPos].lock(); + sectionMutexes[sectionPos].unlock(); + return sections.find(sectionPos)->second; +} + +glm::vec3 World::Raycast(glm::vec3 position, glm::vec3 direction, float maxLength, float minPrecision) { + return glm::vec3(position * direction / maxLength * minPrecision); +} |