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Wallscan fix

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This commit is contained in:
Magnus Norddahl 2016-06-10 22:22:40 +02:00
parent 07571da98c
commit d5331e6095
2 changed files with 30 additions and 31 deletions
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8
src/r_draw_rgba.cpp
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@ -3661,16 +3661,16 @@ void R_FillSpan_RGBA()
DrawerCommandQueue::QueueCommand<FillSpanRGBACommand>();
}
extern FTexture *rw_pic; // For the asserts below
//extern FTexture *rw_pic; // For the asserts below
DWORD vlinec1_RGBA()
{
DWORD fracstep = dc_iscale;
/*DWORD fracstep = dc_iscale;
DWORD frac = dc_texturefrac;
DWORD height = rw_pic->GetHeight();
assert((frac >> vlinebits) < height);
frac += dc_count * fracstep;
assert((frac >> vlinebits) <= height);
frac += (dc_count-1) * fracstep;
assert((frac >> vlinebits) <= height);*/
DrawerCommandQueue::QueueCommand<Vlinec1RGBACommand>();
return dc_texturefrac + dc_count * dc_iscale;

31
src/r_segs.cpp
View file

@ -1087,23 +1087,21 @@ uint32_t wallscan_drawcol1(int x, int y1, int y2, uint32_t uv_start, uint32_t uv
{
uint32_t uv_pos = uv_start;
int left = y2 - y1;
uint32_t left = y2 - y1;
while (left > 0)
{
int next_uv_wrap = (uv_max - uv_pos + uv_step - 1) / uv_step;
int count = MIN(left, next_uv_wrap);
if (count <= 0)
break; // This should never happen, but it does..
uint32_t available = uv_max - uv_pos;
uint32_t next_uv_wrap = available / uv_step;
if (available % uv_step != 0)
next_uv_wrap++;
uint32_t count = MIN(left, next_uv_wrap);
if (count > 0)
{
dc_source = source;
dc_dest = (ylookup[y1] + x) * pixelsize + dc_destorg;
dc_count = count;
dc_iscale = uv_step;
dc_texturefrac = uv_pos;
draw1column();
}
left -= count;
uv_pos += uv_step * count;
@ -1138,22 +1136,21 @@ void wallscan_drawcol4(int x, int y1, int y2, uint32_t *uv_pos, uint32_t *uv_ste
for (int i = 0; i < 4; i++)
bufplce[i] = source[i];
int left = y2 - y1;
uint32_t left = y2 - y1;
while (left > 0)
{
// Find which column wraps first
int count = left;
uint32_t count = left;
for (int i = 0; i < 4; i++)
{
int next_uv_wrap = (uv_max - uv_pos[i] + uv_step[i] - 1) / uv_step[i];
uint32_t available = uv_max - uv_pos[i];
uint32_t next_uv_wrap = available / uv_step[i];
if (available % uv_step[i] != 0)
next_uv_wrap++;
count = MIN(next_uv_wrap, count);
}
if (count <= 0)
break; // This should never happen, but it does..
// Draw until that column wraps
if (count > 0)
{
for (int i = 0; i < 4; i++)
{
vplce[i] = uv_pos[i];
@ -1161,7 +1158,6 @@ void wallscan_drawcol4(int x, int y1, int y2, uint32_t *uv_pos, uint32_t *uv_ste
}
dc_count = count;
draw4columns();
}
// Wrap the uv position
for (int i = 0; i < 4; i++)
@ -1299,6 +1295,9 @@ void wallscan_any(
{
for (int i = 0; i < 4; i++)
{
if (y2[i] <= y1[i])
continue;
if (!fixed)
R_SetColorMapLight(basecolormap, lights[i], wallshade);
wallscan_drawcol1(x + i, y1[i], y2[i], uv_pos[i], uv_step[i], uv_max, source[i], draw1column);