JailDesigner
ba5cddd427
Map no té estat d'instància (tots els membres són inline globals) i el ctor ja s'havia eliminat a HC-03. Convertit a `namespace Map`: callers no canvien perquè la sintaxi `Map::grid_cols`/`Map::collides(...)` és idèntica. Pattern consistent amb `Options`, que és l'altre mòdul sense estat al game/.
89 lines
3.3 KiB
C++
89 lines
3.3 KiB
C++
#include "game/map/map.hpp"
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#include <fstream>
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#include <iostream>
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#include <stdexcept>
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#include "external/fkyaml_node.hpp"
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namespace {
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// AABB amb inequitat estricta: dos rects que es toquen exactament (la
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// cantonada o una vora al píxel) NO es consideren intersecció. SDL3
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// SDL_HasRectIntersectionFloat tracta el toc com a intersecció, cosa
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// que bloqueja el moviment als encreuaments del nostre laberint.
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auto overlapStrict(const SDL_FRect& a, const SDL_FRect& b) -> bool {
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return (a.x + a.w) > b.x && (b.x + b.w) > a.x && (a.y + a.h) > b.y && (b.y + b.h) > a.y;
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}
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} // namespace
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namespace Map {
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void loadFrom(const std::string& yaml_path) {
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std::ifstream file(yaml_path);
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if (!file.is_open()) {
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throw std::runtime_error("Map: no s'ha pogut obrir " + yaml_path);
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}
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auto yaml = fkyaml::node::deserialize(file);
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if (!yaml.contains("geometry")) {
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throw std::runtime_error("Map: manca bloc `geometry:` a " + yaml_path);
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}
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const auto& g = yaml["geometry"];
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grid_cols = g["grid_cols"].get_value<int>();
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grid_rows = g["grid_rows"].get_value<int>();
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sarc_w = g["sarc_w"].get_value<int>();
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sarc_h = g["sarc_h"].get_value<int>();
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pitch_x = g["pitch_x"].get_value<int>();
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pitch_y = g["pitch_y"].get_value<int>();
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hud_h = g["hud_h"].get_value<int>();
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back_wall_h = g["back_wall_h"].get_value<int>();
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side_wall_w = g["side_wall_w"].get_value<int>();
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// Derivats: el passadís és el sobrant del pitch sobre el sarcòfag, i
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// l'exterior reutilitza la mateixa amplada per mantenir el pas lliure.
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corridor_w = pitch_x - sarc_w;
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corridor_h = pitch_y - sarc_h;
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outer_corridor = corridor_w;
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board_w = ((grid_cols - 1) * pitch_x) + sarc_w;
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board_h = ((grid_rows - 1) * pitch_y) + sarc_h;
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origin_x = side_wall_w + outer_corridor;
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origin_y = hud_h + back_wall_h + outer_corridor;
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playfield_x = side_wall_w;
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playfield_y = hud_h + back_wall_h;
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playfield_w = board_w + (2 * outer_corridor);
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playfield_h = board_h + (2 * outer_corridor);
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std::cout << "Map: geometria " << grid_cols << "x" << grid_rows
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<< " sarcs " << sarc_w << "x" << sarc_h
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<< " pitch " << pitch_x << "x" << pitch_y
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<< " des de " << yaml_path << '\n';
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}
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auto getSarcRect(int col, int row) -> SDL_FRect {
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return {
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.x = static_cast<float>(origin_x + (col * pitch_x)),
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.y = static_cast<float>(origin_y + (row * pitch_y)),
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.w = static_cast<float>(sarc_w),
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.h = static_cast<float>(sarc_h),
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};
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}
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auto collides(const SDL_FRect& base_box) -> bool {
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// Recorregut trivial dels sarcòfags. Amb una graella petita no val
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// la pena indexar per col/row prèviament; si algun dia creix, es pot
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// calcular el rang de columnes/files candidates a partir de base_box.
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for (int row = 0; row < grid_rows; ++row) {
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for (int col = 0; col < grid_cols; ++col) {
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if (overlapStrict(base_box, getSarcRect(col, row))) { return true; }
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}
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}
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return false;
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}
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} // namespace Map
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