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- [FIX] Calcul de la llum corregit.

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This commit is contained in:
Raimon Zamora
2026-03-02 13:46:27 +01:00
parent abe6a250be
commit 7ecedb6819
1 changed files with 7 additions and 6 deletions
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13
main.cpp
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@@ -319,6 +319,7 @@ void loadMap(const char* name)
}
float light_zoom = 1280;
int actual_sector = -1;
int last_sector = -1;
void drawColumn(sector &s, int screen_column, int start, int end, float a_inc, vec2 origin, vec2 infi)
@@ -376,7 +377,7 @@ void drawColumn(sector &s, int screen_column, int start, int end, float a_inc, v
float actual_dist = straight_dist / SDL_cosf(a_inc*DEG_TO_RAD);
int tx = SDL_abs(int(actual_dist * SDL_cosf(angle*DEG_TO_RAD) - position.x)) % s.ceil_surf->w;
int ty = SDL_abs(int(actual_dist * SDL_sinf(angle*DEG_TO_RAD) - position.y)) % s.ceil_surf->h;
float light_dist = 1.0f - (-actual_dist>512 ? 1.0f : -actual_dist/512);
float light_dist = 1.0f - (-actual_dist>light_zoom ? 1.0f : -actual_dist/light_zoom);
float light = 1.0f - (light_dist*s.light);
uint8_t pixcolor = s.ceil_surf->pixels[tx+ty*s.ceil_surf->w];
pixcolor = colormap[pixcolor + int(light*31)*256];
@@ -393,7 +394,7 @@ void drawColumn(sector &s, int screen_column, int start, int end, float a_inc, v
if (surf) {
for (int i=0; i<wall_height; ++i) {
if (wall_start+i>=end) break;
float light_dist = 1.0f - (dist>512 ? 1.0f : dist/512);
float light_dist = 1.0f - (dist>light_zoom ? 1.0f : dist/light_zoom);
float light = 1.0f - (light_dist*s.light);
uint8_t pixcolor = surf->pixels[(int(v)%surf->w)+(int(cpix)%surf->h)*surf->w];
pixcolor = colormap[pixcolor + int(light*31)*256];
@@ -413,7 +414,7 @@ void drawColumn(sector &s, int screen_column, int start, int end, float a_inc, v
if (w->upper_surf)
for (int i=0; i<upper_wall_height; ++i) {
if (wall_start+i>=end) break;
float light_dist = 1.0f - (dist>512 ? 1.0f : dist/512);
float light_dist = 1.0f - (dist>light_zoom ? 1.0f : dist/light_zoom);
float light = 1.0f - (light_dist*s.light);
uint8_t pixcolor = w->upper_surf->pixels[(int(v)%w->upper_surf->w)+(int(cpix)%w->upper_surf->h)*w->upper_surf->w];
pixcolor = colormap[pixcolor + int(light*31)*256];
@@ -449,7 +450,7 @@ void drawColumn(sector &s, int screen_column, int start, int end, float a_inc, v
if (w->lower_surf)
for (int i=0; i<lower_wall_height; ++i) {
if (wall_end+i>=end) break;
float light_dist = 1.0f - (dist>512 ? 1.0f : dist/512);
float light_dist = 1.0f - (dist>light_zoom ? 1.0f : dist/light_zoom);
float light = 1.0f - (light_dist*s.light);
uint8_t pixcolor = w->lower_surf->pixels[(int(v)%w->lower_surf->w)+(int(cpix)%w->lower_surf->h)*w->lower_surf->w];
pixcolor = colormap[pixcolor + int(light*31)*256];
@@ -470,8 +471,8 @@ void drawColumn(sector &s, int screen_column, int start, int end, float a_inc, v
int tx = SDL_abs(int(actual_dist * SDL_cosf(angle*DEG_TO_RAD) + position.x)) % s.floor_surf->w;
int ty = SDL_abs(int(actual_dist * SDL_sinf(angle*DEG_TO_RAD) + position.y)) % s.floor_surf->h;
float light_dist = 1.0f - (actual_dist>512 ? 1.0f : actual_dist/512);
float light = 1.0f - (light_dist*s.light);
float light_dist = (actual_dist>light_zoom ? 1.0f : actual_dist/light_zoom);
float light = 1.0f - SDL_clamp(s.light-light_dist, 0.0f, 1.0f);
uint8_t pixcolor = s.floor_surf->pixels[tx+ty*s.floor_surf->w];
pixcolor = colormap[pixcolor + int(light*31)*256];
draw::putpd(screen_column, y, pixcolor, straight_dist);