62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
// line_renderer.cpp - Implementación de renderizado de líneas (SDL3 GPU)
|
||
// © 2026 JailDesigner
|
||
|
||
#include "core/rendering/line_renderer.hpp"
|
||
|
||
#include "core/defaults.hpp"
|
||
|
||
namespace Rendering {
|
||
|
||
// Color global compartido para líneas sin paleta propia (HUD, debug, texto
|
||
// genérico). Equivale al "color máximo" de la antigua oscilación CPU: verde
|
||
// fósforo CRT. El pulso de brillo lo aplica ahora el shader de postpro.
|
||
SDL_Color g_current_line_color = {100, 255, 100, 255};
|
||
|
||
// Grosor global por defecto. Configurable via setLineThickness.
|
||
float g_current_line_thickness = Defaults::Rendering::LINE_THICKNESS_DEFAULT;
|
||
|
||
void linea(Renderer* renderer,
|
||
int x1,
|
||
int y1,
|
||
int x2,
|
||
int y2,
|
||
float brightness,
|
||
float thickness,
|
||
SDL_Color color,
|
||
float alpha) {
|
||
if (renderer == nullptr) {
|
||
return;
|
||
}
|
||
|
||
// Coords lógicas (1280×720). El shader hace el mapeo a NDC; el viewport
|
||
// del SDLManager hace el letterbox a píxeles físicos.
|
||
const auto FX1 = static_cast<float>(x1);
|
||
const auto FY1 = static_cast<float>(y1);
|
||
const auto FX2 = static_cast<float>(x2);
|
||
const auto FY2 = static_cast<float>(y2);
|
||
|
||
// color.alpha==0 → usar color global (verde fósforo). alpha>0 → color directo.
|
||
const SDL_Color SOURCE = (color.a > 0) ? color : g_current_line_color;
|
||
const float R = (static_cast<float>(SOURCE.r) * brightness) / 255.0F;
|
||
const float G = (static_cast<float>(SOURCE.g) * brightness) / 255.0F;
|
||
const float B = (static_cast<float>(SOURCE.b) * brightness) / 255.0F;
|
||
|
||
const float W = (thickness > 0.0F) ? thickness : g_current_line_thickness;
|
||
|
||
renderer->pushLine(FX1, FY1, FX2, FY2, W, R, G, B, alpha);
|
||
}
|
||
|
||
void setLineColor(SDL_Color color) { g_current_line_color = color; }
|
||
|
||
auto getLineColor() -> SDL_Color { return g_current_line_color; }
|
||
|
||
void setLineThickness(float thickness) {
|
||
if (thickness > 0.0F) {
|
||
g_current_line_thickness = thickness;
|
||
}
|
||
}
|
||
|
||
auto getLineThickness() -> float { return g_current_line_thickness; }
|
||
|
||
} // namespace Rendering
|