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- Ja carrega els nivells i funciona un poc, pero com els vertices no estàn ordenats peta. TBD: ordenar clockwise els vertices de cada sector

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This commit is contained in:
Raimon Zamora
2026-02-27 19:02:39 +01:00
parent 8e46fa85b2
commit 943b79d9bb
5 changed files with 255 additions and 77 deletions
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28
draw.cpp
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@@ -28,6 +28,11 @@ namespace draw
debug::init(sdl_renderer);
}
void cls()
{
memset(screen, 0, 320*240);
}
surface_t *newsurf(int w, int h)
{
surface_t *surf = (surface_t*)malloc(sizeof(surface_t));
@@ -107,11 +112,17 @@ namespace draw
void drawsurf(int x, int y, surface_t *src, surface_t *dst)
{
int w = src->w; if (x+w > dst->w) w = dst->w-x;
int h = src->h; if (y+h > dst->h) h = dst->h-y;
for (int py=0;py<h;++py)
for (int px=0;px<w;++px)
dst->pixels[(px+x)+(py+y)*dst->w] = src->pixels[x+y*src->w];
int sw = src->w; int dx = x; int sx = 0;
if (x < 0) { sw = sw+x; sx=-x; dx=0; }
if (dx+sw > dst->w) sw = dst->w-dx;
int sh = src->h; int dy = y; int sy = 0;
if (y < 0) { sh = sh+y; sy=-y; dy=0; }
if (dy+sh > dst->h) sh = dst->h-dy;
for (int py=0;py<sh;++py)
for (int px=0;px<sw;++px)
dst->pixels[(px+dx)+(py+dy)*dst->w] = src->pixels[(sx+px)+(sy+py)*src->w];
}
void line(int x1, int y1, int x2, int y2, Uint8 color)
@@ -161,14 +172,15 @@ namespace draw
namespace map
{
float zoom = 8;
void putp(int x, int y, Uint8 color)
{
draw::putp(160+(x/8), 120+(y/8), color);
draw::putp(160+(x/zoom), 120+(y/zoom), color);
}
void line(int x1, int y1, int x2, int y2, Uint8 color)
void line(int x1, int y1, int x2, int y2, Uint8 color, int ox, int oy)
{
draw::line(160+(x1/8), 120+(y1/8), 160+(x2/8), 120+(y2/8), color);
draw::line(160+(x1/zoom)-ox/zoom, 120+(-y1/zoom)+oy/zoom, 160+(x2/zoom)-ox/zoom, 120+(-y2/zoom)+oy/zoom, color);
}
}
}