fix stupid quake precision problem with PF_vectoangles (it rounded pitch to integer!)

[xonotic/darkplaces.git] / r_light.c

diff --git a/r_light.c b/r_light.c
index aafbbf19ceab78314225d63601d4ff6c1c39e9b9..d0c977d379eb678b18b2704430481800338a9e56 100644 (file)
--- a/r_light.c
+++ b/r_light.c
@@ -86,11 +86,13 @@ R_UpdateLights
 */
 void R_UpdateLights(void)
 {
-       int i, j, k;
+       float frac;
+       int i, j, k, l;
 
 // light animations
 // 'm' is normal light, 'a' is no light, 'z' is double bright
        i = (int)(cl.time * 10);
+       frac = (cl.time * 10) - i;
        for (j = 0;j < MAX_LIGHTSTYLES;j++)
        {
                if (!cl_lightstyle || !cl_lightstyle[j].length)
@@ -99,9 +101,10 @@ void R_UpdateLights(void)
                        continue;
                }
                k = i % cl_lightstyle[j].length;
+               l = (i-1) % cl_lightstyle[j].length;
                k = cl_lightstyle[j].map[k] - 'a';
-               k = k*22;
-               d_lightstylevalue[j] = k;
+               l = cl_lightstyle[j].map[l] - 'a';
+               d_lightstylevalue[j] = ((k*frac)+(l*(1-frac)))*22;
        }
 
        r_numdlights = 0;
@@ -110,6 +113,7 @@ void R_UpdateLights(void)
        if (!r_dynamic.integer || !cl_dlights)
                return;
 
+       // TODO: optimize to not scan whole cl_dlights array if possible
        for (i = 0;i < MAX_DLIGHTS;i++)
        {
                if (cl_dlights[i].radius > 0)
@@ -127,7 +131,7 @@ void R_DrawCoronas(void)
        int i, lnum;
        float cscale, scale, viewdist, dist;
        dlight_t *light;
-       if (!r_coronas.integer)
+       if (r_coronas.value < 0.01)
                return;
        R_Mesh_Matrix(&r_identitymatrix);
        viewdist = DotProduct(r_vieworigin, r_viewforward);