feat(render): halo neon proporcional al bounding_radius de la shape (opt-out a text)

This commit is contained in:
2026-05-22 21:35:01 +02:00
parent 869b4374ba
commit f0b3a1fbc4
8 changed files with 289 additions and 172 deletions
+138 -123
View File
@@ -4,156 +4,171 @@
#include "core/graphics/shape.hpp"
#include <algorithm>
#include <cmath>
#include <fstream>
#include <iostream>
#include <sstream>
namespace Graphics {
Shape::Shape(const std::string& filepath)
: center_({.x = 0.0F, .y = 0.0F}),
nom_("unnamed") {
load(filepath);
}
Shape::Shape(const std::string& filepath)
: center_({.x = 0.0F, .y = 0.0F}),
auto Shape::load(const std::string& filepath) -> bool {
// Llegir file
std::ifstream file(filepath);
if (!file.is_open()) {
std::cerr << "[Shape] Error: no es pot obrir " << filepath << '\n';
return false;
nom_("unnamed") {
load(filepath);
}
// Llegir todo el contingut
std::stringstream buffer;
buffer << file.rdbuf();
std::string contingut = buffer.str();
file.close();
// Parsejar
return parseFile(contingut);
}
auto Shape::parseFile(const std::string& contingut) -> bool {
std::istringstream iss(contingut);
std::string line;
while (std::getline(iss, line)) {
// Trim whitespace
line = trim(line);
// Skip comments and blanks
if (line.empty() || line[0] == '#') {
continue;
auto Shape::load(const std::string& filepath) -> bool {
// Llegir file
std::ifstream file(filepath);
if (!file.is_open()) {
std::cerr << "[Shape] Error: no es pot obrir " << filepath << '\n';
return false;
}
// Parse command
if (startsWith(line, "name:")) {
nom_ = trim(extractValue(line));
} else if (startsWith(line, "scale:")) {
try {
escala_defecte_ = std::stof(extractValue(line));
} catch (...) {
std::cerr << "[Shape] Warning: scale invàlida, usant 1.0" << '\n';
escala_defecte_ = 1.0F;
// Llegir todo el contingut
std::stringstream buffer;
buffer << file.rdbuf();
std::string contingut = buffer.str();
file.close();
// Parsejar
return parseFile(contingut);
}
auto Shape::parseFile(const std::string& contingut) -> bool {
std::istringstream iss(contingut);
std::string line;
while (std::getline(iss, line)) {
// Trim whitespace
line = trim(line);
// Skip comments and blanks
if (line.empty() || line[0] == '#') {
continue;
}
} else if (startsWith(line, "center:")) {
parseCenter(extractValue(line));
} else if (startsWith(line, "polyline:")) {
auto points = parsePoints(extractValue(line));
if (points.size() >= 2) {
primitives_.push_back({PrimitiveType::POLYLINE, points});
} else {
std::cerr << "[Shape] Warning: polyline con menys de 2 points ignorada"
<< '\n';
// Parse command
if (startsWith(line, "name:")) {
nom_ = trim(extractValue(line));
} else if (startsWith(line, "scale:")) {
try {
escala_defecte_ = std::stof(extractValue(line));
} catch (...) {
std::cerr << "[Shape] Warning: scale invàlida, usant 1.0" << '\n';
escala_defecte_ = 1.0F;
}
} else if (startsWith(line, "center:")) {
parseCenter(extractValue(line));
} else if (startsWith(line, "polyline:")) {
auto points = parsePoints(extractValue(line));
if (points.size() >= 2) {
primitives_.push_back({PrimitiveType::POLYLINE, points});
} else {
std::cerr << "[Shape] Warning: polyline con menys de 2 points ignorada"
<< '\n';
}
} else if (startsWith(line, "line:")) {
auto points = parsePoints(extractValue(line));
if (points.size() == 2) {
primitives_.push_back({PrimitiveType::LINE, points});
} else {
std::cerr << "[Shape] Warning: line ha de tenir exactament 2 points"
<< '\n';
}
}
} else if (startsWith(line, "line:")) {
auto points = parsePoints(extractValue(line));
if (points.size() == 2) {
primitives_.push_back({PrimitiveType::LINE, points});
} else {
std::cerr << "[Shape] Warning: line ha de tenir exactament 2 points"
<< '\n';
// Comandes desconegudes ignorades silenciosament
}
if (primitives_.empty()) {
std::cerr << "[Shape] Error: sin primitiva carregada" << '\n';
return false;
}
bounding_radius_ = computeBoundingRadius(primitives_, center_);
return true;
}
auto Shape::computeBoundingRadius(const std::vector<ShapePrimitive>& primitives,
const Vec2& center) -> float {
float max_dist_sq = 0.0F;
for (const auto& prim : primitives) {
for (const auto& p : prim.points) {
const float DX = p.x - center.x;
const float DY = p.y - center.y;
max_dist_sq = std::max(max_dist_sq, (DX * DX) + (DY * DY));
}
}
// Comandes desconegudes ignorades silenciosament
return std::sqrt(max_dist_sq);
}
if (primitives_.empty()) {
std::cerr << "[Shape] Error: sin primitiva carregada" << '\n';
return false;
}
return true;
}
// Helper: trim whitespace
auto Shape::trim(const std::string& str) -> std::string {
const char* whitespace = " \t\n\r";
size_t start = str.find_first_not_of(whitespace);
if (start == std::string::npos) {
return "";
}
size_t end = str.find_last_not_of(whitespace);
return str.substr(start, end - start + 1);
}
// Helper: startsWith
auto Shape::startsWith(const std::string& str,
const std::string& prefix) -> bool {
if (str.length() < prefix.length()) {
return false;
}
return str.starts_with(prefix);
}
// Helper: extract value after ':'
auto Shape::extractValue(const std::string& line) -> std::string {
size_t colon = line.find(':');
if (colon == std::string::npos) {
return "";
}
return line.substr(colon + 1);
}
// Helper: parse center "x, y"
void Shape::parseCenter(const std::string& value) {
std::string val = trim(value);
size_t comma = val.find(',');
if (comma != std::string::npos) {
try {
center_.x = std::stof(trim(val.substr(0, comma)));
center_.y = std::stof(trim(val.substr(comma + 1)));
} catch (...) {
std::cerr << "[Shape] Warning: centro invàlid, usant (0,0)" << '\n';
center_ = {.x = 0.0F, .y = 0.0F};
// Helper: trim whitespace
auto Shape::trim(const std::string& str) -> std::string {
const char* whitespace = " \t\n\r";
size_t start = str.find_first_not_of(whitespace);
if (start == std::string::npos) {
return "";
}
size_t end = str.find_last_not_of(whitespace);
return str.substr(start, end - start + 1);
}
}
// Helper: parse points "x1,y1 x2,y2 x3,y3"
auto Shape::parsePoints(const std::string& str) -> std::vector<Vec2> {
std::vector<Vec2> points;
std::istringstream iss(trim(str));
std::string pair;
// Helper: startsWith
auto Shape::startsWith(const std::string& str,
const std::string& prefix) -> bool {
if (str.length() < prefix.length()) {
return false;
}
return str.starts_with(prefix);
}
while (iss >> pair) { // Whitespace-separated
size_t comma = pair.find(',');
// Helper: extract value after ':'
auto Shape::extractValue(const std::string& line) -> std::string {
size_t colon = line.find(':');
if (colon == std::string::npos) {
return "";
}
return line.substr(colon + 1);
}
// Helper: parse center "x, y"
void Shape::parseCenter(const std::string& value) {
std::string val = trim(value);
size_t comma = val.find(',');
if (comma != std::string::npos) {
try {
float x = std::stof(pair.substr(0, comma));
float y = std::stof(pair.substr(comma + 1));
points.push_back({x, y});
center_.x = std::stof(trim(val.substr(0, comma)));
center_.y = std::stof(trim(val.substr(comma + 1)));
} catch (...) {
std::cerr << "[Shape] Warning: point invàlid ignorat: " << pair
<< '\n';
std::cerr << "[Shape] Warning: centro invàlid, usant (0,0)" << '\n';
center_ = {.x = 0.0F, .y = 0.0F};
}
}
}
return points;
}
// Helper: parse points "x1,y1 x2,y2 x3,y3"
auto Shape::parsePoints(const std::string& str) -> std::vector<Vec2> {
std::vector<Vec2> points;
std::istringstream iss(trim(str));
std::string pair;
while (iss >> pair) { // Whitespace-separated
size_t comma = pair.find(',');
if (comma != std::string::npos) {
try {
float x = std::stof(pair.substr(0, comma));
float y = std::stof(pair.substr(comma + 1));
points.push_back({x, y});
} catch (...) {
std::cerr << "[Shape] Warning: point invàlid ignorat: " << pair
<< '\n';
}
}
}
return points;
}
} // namespace Graphics
+24 -17
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@@ -11,21 +11,21 @@
namespace Graphics {
// Tipo de primitiva dins de una shape
enum class PrimitiveType : std::uint8_t {
POLYLINE, // Secuencia de points connectats
LINE // Línia individual (2 points)
};
// Tipo de primitiva dins de una shape
enum class PrimitiveType : std::uint8_t {
POLYLINE, // Secuencia de points connectats
LINE // Línia individual (2 points)
};
// Primitiva individual (polyline o line)
struct ShapePrimitive {
// Primitiva individual (polyline o line)
struct ShapePrimitive {
PrimitiveType type;
std::vector<Vec2> points; // 2+ points per polyline, exactament 2 per line
};
};
// Clase Shape - representa una shape vectorial carregada desde .shp
class Shape {
public:
// Clase Shape - representa una shape vectorial carregada desde .shp
class Shape {
public:
// Constructors
Shape() = default;
explicit Shape(const std::string& filepath);
@@ -42,18 +42,22 @@ class Shape {
}
[[nodiscard]] auto getCenter() const -> const Vec2& { return center_; }
[[nodiscard]] auto getDefaultScale() const -> float { return escala_defecte_; }
// Distància màx. del center_ al vèrtex més llunyà; ús: dimensionar
// efectes proporcionals a la mida de la shape (halos, glow).
[[nodiscard]] auto getBoundingRadius() const -> float { return bounding_radius_; }
[[nodiscard]] auto isValid() const -> bool { return !primitives_.empty(); }
// Info de depuració
[[nodiscard]] auto getName() const -> const std::string& { return nom_; }
[[nodiscard]] auto getNumPrimitives() const -> size_t { return primitives_.size(); }
private:
private:
std::vector<ShapePrimitive> primitives_;
Vec2 center_; // Centro/origin de la shape
float escala_defecte_{1.0F}; // Escala per defecte (normalment 1.0). Inicializada para
// que el ctor por defecto no deje el campo indeterminado.
std::string nom_; // Nom de la shape (per depuració)
Vec2 center_; // Centro/origin de la shape
float escala_defecte_{1.0F}; // Escala per defecte (normalment 1.0). Inicializada para
// que el ctor por defecto no deje el campo indeterminado.
float bounding_radius_{0.0F}; // Distància màx. del center_ al vèrtex més llunyà.
std::string nom_; // Nom de la shape (per depuració)
// Helpers privats per parsejar. Son estáticos: no necesitan estado
// de instancia, trabajan sobre el string pasado por parámetro.
@@ -62,6 +66,9 @@ class Shape {
[[nodiscard]] static auto extractValue(const std::string& line) -> std::string;
void parseCenter(const std::string& value);
[[nodiscard]] static auto parsePoints(const std::string& str) -> std::vector<Vec2>;
};
[[nodiscard]] static auto computeBoundingRadius(
const std::vector<ShapePrimitive>& primitives,
const Vec2& center) -> float;
};
} // namespace Graphics
+2 -1
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@@ -221,7 +221,8 @@ namespace Graphics {
// Ajustar X e Y para que position represente esquina superior izquierda
// (render_shape espera el centro, así que sumamos la mitad de ancho y altura)
Vec2 char_pos = {.x = current_x + (CHAR_WIDTH_SCALED / 2.0F), .y = position.y + (CHAR_HEIGHT_SCALED / 2.0F)};
Rendering::renderShape(renderer_, it->second, char_pos, 0.0F, scale, 1.0F, brightness, color);
// Text opt-out del glow: HUD/marker s'ha de mantenir net.
Rendering::renderShape(renderer_, it->second, char_pos, 0.0F, scale, 1.0F, brightness, color, 0.0F, 1.0F, /*glow=*/false);
// Avanzar posición
current_x += CHAR_WIDTH_SCALED + SPACING_SCALED;