Sergio
c9bcce6f9b
Corregidos ~2570 issues automáticamente con clang-tidy --fix-errors más ajustes manuales posteriores: - modernize: designated-initializers, trailing-return-type, use-auto, avoid-c-arrays (→ std::array<>), use-ranges, use-emplace, deprecated-headers, use-equals-default, pass-by-value, return-braced-init-list, use-default-member-init - readability: math-missing-parentheses, implicit-bool-conversion, braces-around-statements, isolate-declaration, use-std-min-max, identifier-naming, else-after-return, redundant-casting, convert-member-functions-to-static, make-member-function-const, static-accessed-through-instance - performance: avoid-endl, unnecessary-value-param, type-promotion, inefficient-vector-operation - dead code: XOR_KEY (orphan tras eliminar encryptData/decryptData), dead stores en engine.cpp y png_shape.cpp - NOLINT justificado en 10 funciones con alta complejidad cognitiva (initialize, render, main, processEvents, update×3, performDemoAction, randomizeOnDemoStart, renderDebugHUD, AppLogo::update) Compilación: gcc -Wall sin warnings. clang-tidy: 0 issues. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
94 lines
3.2 KiB
C++
94 lines
3.2 KiB
C++
#include "spatial_grid.hpp"
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#include <algorithm> // for std::max, std::min
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#include <cmath> // for std::floor, std::ceil
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#include "ball.hpp" // for Ball
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SpatialGrid::SpatialGrid(int world_width, int world_height, float cell_size)
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: world_width_(world_width),
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world_height_(world_height),
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cell_size_(cell_size) {
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// Calcular número de celdas en cada dimensión
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grid_cols_ = static_cast<int>(std::ceil(world_width / cell_size));
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grid_rows_ = static_cast<int>(std::ceil(world_height / cell_size));
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}
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void SpatialGrid::clear() {
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// Limpiar todos los vectores de celdas (O(n) donde n = número de celdas ocupadas)
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cells_.clear();
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}
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void SpatialGrid::insert(Ball* ball, float x, float y) {
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// Obtener coordenadas de celda
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int cell_x;
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int cell_y;
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getCellCoords(x, y, cell_x, cell_y);
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// Generar hash key y añadir a la celda
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int key = getCellKey(cell_x, cell_y);
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cells_[key].push_back(ball);
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}
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auto SpatialGrid::queryRadius(float x, float y, float radius) -> std::vector<Ball*> {
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std::vector<Ball*> results;
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// Calcular rango de celdas a revisar (AABB del círculo de búsqueda)
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int min_cell_x;
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int min_cell_y;
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int max_cell_x;
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int max_cell_y;
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getCellCoords(x - radius, y - radius, min_cell_x, min_cell_y);
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getCellCoords(x + radius, y + radius, max_cell_x, max_cell_y);
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// Iterar sobre todas las celdas dentro del AABB
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for (int cy = min_cell_y; cy <= max_cell_y; cy++) {
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for (int cx = min_cell_x; cx <= max_cell_x; cx++) {
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// Verificar que la celda está dentro del grid
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if (cx < 0 || cx >= grid_cols_ || cy < 0 || cy >= grid_rows_) {
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continue;
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}
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// Obtener key de la celda
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int key = getCellKey(cx, cy);
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// Si la celda existe en el mapa, añadir todos sus objetos
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auto it = cells_.find(key);
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if (it != cells_.end()) {
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// Añadir todos los objetos de esta celda al resultado
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results.insert(results.end(), it->second.begin(), it->second.end());
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}
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}
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}
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return results;
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}
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void SpatialGrid::updateWorldSize(int world_width, int world_height) {
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world_width_ = world_width;
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world_height_ = world_height;
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// Recalcular dimensiones del grid
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grid_cols_ = static_cast<int>(std::ceil(world_width / cell_size_));
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grid_rows_ = static_cast<int>(std::ceil(world_height / cell_size_));
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// Limpiar grid (las posiciones anteriores ya no son válidas)
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clear();
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}
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// ============================================================================
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// MÉTODOS PRIVADOS
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// ============================================================================
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void SpatialGrid::getCellCoords(float x, float y, int& cell_x, int& cell_y) const {
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// Convertir coordenadas del mundo a coordenadas de celda
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cell_x = static_cast<int>(std::floor(x / cell_size_));
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cell_y = static_cast<int>(std::floor(y / cell_size_));
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}
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auto SpatialGrid::getCellKey(int cell_x, int cell_y) const -> int {
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// Hash espacial 2D → 1D usando codificación por filas
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// Formula: key = y * ancho + x (similar a array 2D aplanado)
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return (cell_y * grid_cols_) + cell_x;
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}
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