110 lines
3.2 KiB
C++
110 lines
3.2 KiB
C++
#include "tilemap/tilemap.h"
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#include "tilemap/chunk.h"
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#include <stdexcept>
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namespace istd {
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TileMap::TileMap(std::uint8_t size): size_(size) {
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if (size == 0 || size > 100) {
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throw std::invalid_argument("TileMap size must be between 1 and 100");
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}
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// Initialize the 2D vector of chunks
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chunks_.resize(size);
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for (auto &row : chunks_) {
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row.resize(size);
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}
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}
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Chunk &TileMap::get_chunk(std::uint8_t chunk_x, std::uint8_t chunk_y) {
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if (chunk_x >= size_ || chunk_y >= size_) {
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throw std::out_of_range("Chunk coordinates out of bounds");
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}
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return chunks_[chunk_x][chunk_y];
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}
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const Chunk &TileMap::get_chunk(
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std::uint8_t chunk_x, std::uint8_t chunk_y
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) const {
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if (chunk_x >= size_ || chunk_y >= size_) {
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throw std::out_of_range("Chunk coordinates out of bounds");
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}
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return chunks_[chunk_x][chunk_y];
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}
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Chunk &TileMap::get_chunk_of(TilePos pos) {
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return get_chunk(pos.chunk_x, pos.chunk_y);
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}
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const Chunk &TileMap::get_chunk_of(TilePos pos) const {
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return get_chunk(pos.chunk_x, pos.chunk_y);
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}
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Tile &TileMap::get_tile(TilePos pos) {
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if (pos.chunk_x >= size_ || pos.chunk_y >= size_) {
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throw std::out_of_range("Chunk coordinates out of bounds");
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}
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if (pos.local_x >= Chunk::size || pos.local_y >= Chunk::size) {
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throw std::out_of_range("Local coordinates out of bounds");
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}
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return chunks_[pos.chunk_x][pos.chunk_y].tiles[pos.local_x][pos.local_y];
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}
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const Tile &TileMap::get_tile(TilePos pos) const {
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if (pos.chunk_x >= size_ || pos.chunk_y >= size_) {
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throw std::out_of_range("Chunk coordinates out of bounds");
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}
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if (pos.local_x >= Chunk::size || pos.local_y >= Chunk::size) {
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throw std::out_of_range("Local coordinates out of bounds");
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}
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return chunks_[pos.chunk_x][pos.chunk_y].tiles[pos.local_x][pos.local_y];
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}
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void TileMap::set_tile(TilePos pos, const Tile &tile) {
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if (pos.chunk_x >= size_ || pos.chunk_y >= size_) {
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throw std::out_of_range("Chunk coordinates out of bounds");
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}
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if (pos.local_x >= Chunk::size || pos.local_y >= Chunk::size) {
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throw std::out_of_range("Local coordinates out of bounds");
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}
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chunks_[pos.chunk_x][pos.chunk_y].tiles[pos.local_x][pos.local_y] = tile;
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}
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bool TileMap::is_at_boundary(TilePos pos) const {
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std::uint8_t map_size = get_size();
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std::uint32_t global_x = pos.chunk_x * Chunk::size + pos.local_x;
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std::uint32_t global_y = pos.chunk_y * Chunk::size + pos.local_y;
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std::uint32_t max_global = map_size * Chunk::size - 1;
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return global_x == 0 || global_x == max_global || global_y == 0
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|| global_y == max_global;
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}
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std::vector<TilePos> TileMap::get_neighbors(TilePos pos, bool chebyshiv) const {
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std::vector<TilePos> neighbors;
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std::uint8_t map_size = get_size();
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auto [global_x, global_y] = pos.to_global();
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int max_global = map_size * Chunk::size - 1;
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// Four cardinal directions
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const int dx[] = {-1, 1, 0, 0, -1, 1, -1, 1};
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const int dy[] = {0, 0, -1, 1, -1, -1, 1, 1};
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for (int i = 0; i < (chebyshiv ? 8 : 4); ++i) {
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int new_global_x = global_x + dx[i];
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int new_global_y = global_y + dy[i];
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// Check bounds
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if (new_global_x >= 0 && new_global_x <= max_global && new_global_y >= 0
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&& new_global_y <= max_global) {
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neighbors.push_back(
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TilePos::from_global(new_global_x, new_global_y)
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);
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}
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}
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return neighbors;
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}
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} // namespace istd
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