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- more float to double conversion.

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In particular this removes all assignments of FIXED2FLOAT to double variables because they not only lose precision but also generate unnecessary code.
This commit is contained in:
Christoph Oelckers 2016-02-11 21:33:30 +01:00
commit 158caf78a0
12 changed files with 60 additions and 64 deletions
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14
src/r_main.cpp
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@ -714,15 +714,15 @@ void R_EnterPortal (PortalDrawseg* pds, int depth)
{ // any mirror--use floats to avoid integer overflow
vertex_t *v2 = pds->src->v2;
float dx = FIXED2FLOAT(v2->x - v1->x);
float dy = FIXED2FLOAT(v2->y - v1->y);
float x1 = FIXED2FLOAT(v1->x);
float y1 = FIXED2FLOAT(v1->y);
float x = FIXED2FLOAT(startx);
float y = FIXED2FLOAT(starty);
double dx = FIXED2DBL(v2->x - v1->x);
double dy = FIXED2DBL(v2->y - v1->y);
double x1 = FIXED2DBL(v1->x);
double y1 = FIXED2DBL(v1->y);
double x = FIXED2DBL(startx);
double y = FIXED2DBL(starty);
// the above two cases catch len == 0
float r = ((x - x1)*dx + (y - y1)*dy) / (dx*dx + dy*dy);
double r = ((x - x1)*dx + (y - y1)*dy) / (dx*dx + dy*dy);
viewx = FLOAT2FIXED((x1 + r * dx)*2 - x);
viewy = FLOAT2FIXED((y1 + r * dy)*2 - y);