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feat: add tree generation

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zhenyan121
2026-04-18 10:59:37 +08:00
parent 63930dcdc7
commit bb888fd7b7
27 changed files with 224 additions and 30 deletions
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src/gameplay/tree.cpp Normal file
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#include <Cubed/gameplay/tree.hpp>
#include <Cubed/gameplay/chunk.hpp>
#include <array>
using glm::ivec3;
static constexpr std::array<TreeStructNode, 62> TREE {{
{{0, 1, 0}, 5},
{{0, 2, 0}, 5},
{{0, 3, 0}, 5},
{{0, 4, 0}, 5},
{{0, 5, 0}, 5},
{{0, 6, 0}, 6},
{{0, 5, 1}, 6},
{{1, 5, 0}, 6},
{{0, 5, -1}, 6},
{{-1, 5, 0}, 6},
{{1, 5, 1}, 6},
{{1, 5, -1}, 6},
{{-1, 5, -1}, 6},
{{-1, 5, 1}, 6},
{{0, 4, 1}, 6},
{{1, 4, 0}, 6},
{{0, 4, -1}, 6},
{{-1, 4, 0}, 6},
{{1, 4, 1}, 6},
{{1, 4, -1}, 6},
{{-1, 4, -1}, 6},
{{-1, 4, 1}, 6},
{{0, 4, 2}, 6},
{{2, 4, 0}, 6},
{{0, 4, -2}, 6},
{{-2, 4, 0}, 6},
{{2, 4, 2}, 6},
{{2, 4, -2}, 6},
{{-2, 4, -2}, 6},
{{-2, 4, 2}, 6},
{{1, 4, 2}, 6},
{{2, 4, 1}, 6},
{{-1, 4, 2}, 6},
{{2, 4, -1}, 6},
{{1, 4, -2}, 6},
{{-2, 4, 1}, 6},
{{-1, 4, -2}, 6},
{{-2, 4, -1}, 6},
{{0, 3, 1}, 6},
{{1, 3, 0}, 6},
{{0, 3, -1}, 6},
{{-1, 3, 0}, 6},
{{1, 3, 1}, 6},
{{1, 3, -1}, 6},
{{-1, 3, -1}, 6},
{{-1, 3, 1}, 6},
{{0, 3, 2}, 6},
{{2, 3, 0}, 6},
{{0, 3, -2}, 6},
{{-2, 3, 0}, 6},
{{2, 3, 2}, 6},
{{2, 3, -2}, 6},
{{-2, 3, -2}, 6},
{{-2, 3, 2}, 6},
{{1, 3, 2}, 6},
{{2, 3, 1}, 6},
{{-1, 3, 2}, 6},
{{2, 3, -1}, 6},
{{1, 3, -2}, 6},
{{-2, 3, 1}, 6},
{{-1, 3, -2}, 6},
{{-2, 3, -1}, 6},
}};
bool build_tree(Chunk& chunk, const glm::ivec3& pos) {
auto& block = chunk.get_chunk_blocks();
if (block[Chunk::get_index(pos)] != 1) {
Logger::info("Root is not Grass Block");
return false;
}
for (const auto& d : TREE) {
auto tree_node = pos + d.offset;
int x = tree_node.x;
int y = tree_node.y;
int z = tree_node.z;
if (x < 0 || y < 0 || z < 0 || x >= CHUCK_SIZE || y >= WORLD_SIZE_Y || z >= CHUCK_SIZE) {
return false;
}
if (block[Chunk::get_index(tree_node)] != 0) {
return false;
}
}
for (const auto& d : TREE) {
auto tree_node = pos + d.offset;
chunk.set_chunk_block(Chunk::get_index(tree_node), d.id);
}
return true;
}