minor performance improvements, optional mouse, mouse cursor now drawn

[dosdemo] / src / scr / tunnel.c

diff --git a/src/scr/tunnel.c b/src/scr/tunnel.c
index 9071b74..5411e53 100644 (file)
--- a/src/scr/tunnel.c
+++ b/src/scr/tunnel.c
@@ -62,10 +62,10 @@ static int init(void)
        int i, j, n;
        unsigned int *tmap;
        unsigned char *fog;
-       float aspect = (float)fb_width / (float)fb_height;
+       float aspect = (float)FB_WIDTH / (float)FB_HEIGHT;
 
-       xsz = fb_width;
-       ysz = fb_height;
+       xsz = FB_WIDTH;
+       ysz = FB_HEIGHT;
        vxsz = xsz * VSCALE;
        vysz = ysz * VSCALE;
 
@@ -185,7 +185,7 @@ static void draw(void)
                int rest_lines = num_lines - draw_lines;
                draw_tunnel_range(fb_pixels, xoffs, yoffs, starty, draw_lines, time_msec);
                if(rest_lines) {
-                       memset(fb_pixels + resty * fb_width, 0, rest_lines * fb_width * 2);
+                       memset(fb_pixels + resty * FB_WIDTH, 0, rest_lines * FB_WIDTH * 2);
                }
        }
 
@@ -221,7 +221,7 @@ static void draw_tunnel_range(unsigned short *pix, int xoffs, int yoffs, int sta
        unsigned char *fog = tunnel_fog + (starty + yoffs) * vxsz + xoffs;
 
        long toffs = tm / 8;
-       unsigned int *pixels = (unsigned int*)pix + starty * (fb_width >> 1);
+       unsigned int *pixels = (unsigned int*)pix + starty * (FB_WIDTH >> 1);
 
        for(i=0; i<num_lines; i++) {
                for(j=0; j<(xsz>>1); j++) {