mirror of
https://github.com/ZDoom/gzdoom.git
synced 2024-11-28 14:52:01 +00:00
- Correctly redid commit 34d551fe1f.
This commit is contained in:
Rachael Alexanderson
parent
15cf9d36a9
commit
2b5f9eebba
1 changed files with 314 additions and 140 deletions
|
|
@ -50,63 +50,157 @@ namespace swrenderer
|
|||
extern FTexture *rw_pic;
|
||||
extern int wallshade;
|
||||
|
||||
|
||||
struct WallscanSampler
|
||||
{
|
||||
WallscanSampler() { }
|
||||
WallscanSampler(int y1, float swal, double yrepeat, fixed_t xoffset, FTexture *texture, const BYTE*(*getcol)(FTexture *texture, int x));
|
||||
WallscanSampler(int y1, float swal, double yrepeat, fixed_t xoffset, double xmagnitude, FTexture *texture, const BYTE*(*getcol)(FTexture *texture, int x));
|
||||
|
||||
uint32_t uv_pos;
|
||||
uint32_t uv_step;
|
||||
uint32_t uv_max;
|
||||
|
||||
const BYTE *source;
|
||||
const BYTE *source2;
|
||||
uint32_t texturefracx;
|
||||
uint32_t height;
|
||||
};
|
||||
|
||||
WallscanSampler::WallscanSampler(int y1, float swal, double yrepeat, fixed_t xoffset, FTexture *texture, const BYTE*(*getcol)(FTexture *texture, int x))
|
||||
WallscanSampler::WallscanSampler(int y1, float swal, double yrepeat, fixed_t xoffset, double xmagnitude, FTexture *texture, const BYTE*(*getcol)(FTexture *texture, int x))
|
||||
{
|
||||
height = texture->GetHeight();
|
||||
xoffset += FLOAT2FIXED(xmagnitude * 0.5);
|
||||
|
||||
int uv_fracbits = 32 - texture->HeightBits;
|
||||
if (uv_fracbits != 32)
|
||||
if (!r_swtruecolor)
|
||||
{
|
||||
uv_max = height << uv_fracbits;
|
||||
height = texture->GetHeight();
|
||||
|
||||
// Find start uv in [0-base_height[ range.
|
||||
// Not using xs_ToFixed because it rounds the result and we need something that always rounds down to stay within the range.
|
||||
double uv_stepd = swal * yrepeat;
|
||||
double v = (dc_texturemid + uv_stepd * (y1 - CenterY + 0.5)) / height;
|
||||
v = v - floor(v);
|
||||
v *= height;
|
||||
v *= (1 << uv_fracbits);
|
||||
int uv_fracbits = 32 - texture->HeightBits;
|
||||
if (uv_fracbits != 32)
|
||||
{
|
||||
uv_max = height << uv_fracbits;
|
||||
|
||||
uv_pos = (uint32_t)v;
|
||||
uv_step = xs_ToFixed(uv_fracbits, uv_stepd);
|
||||
if (uv_step == 0) // To prevent divide by zero elsewhere
|
||||
uv_step = 1;
|
||||
// Find start uv in [0-base_height[ range.
|
||||
// Not using xs_ToFixed because it rounds the result and we need something that always rounds down to stay within the range.
|
||||
double uv_stepd = swal * yrepeat;
|
||||
double v = (dc_texturemid + uv_stepd * (y1 - CenterY + 0.5)) / height;
|
||||
v = v - floor(v);
|
||||
v *= height;
|
||||
v *= (1 << uv_fracbits);
|
||||
|
||||
uv_pos = (uint32_t)v;
|
||||
uv_step = xs_ToFixed(uv_fracbits, uv_stepd);
|
||||
if (uv_step == 0) // To prevent divide by zero elsewhere
|
||||
uv_step = 1;
|
||||
}
|
||||
else
|
||||
{ // Hack for one pixel tall textures
|
||||
uv_pos = 0;
|
||||
uv_step = 0;
|
||||
uv_max = 1;
|
||||
}
|
||||
|
||||
source = getcol(texture, xoffset >> FRACBITS);
|
||||
source2 = nullptr;
|
||||
texturefracx = 0;
|
||||
}
|
||||
else
|
||||
{ // Hack for one pixel tall textures
|
||||
uv_pos = 0;
|
||||
uv_step = 0;
|
||||
uv_max = 1;
|
||||
}
|
||||
{
|
||||
// Normalize to 0-1 range:
|
||||
double uv_stepd = swal * yrepeat;
|
||||
double v = (dc_texturemid + uv_stepd * (y1 - CenterY + 0.5)) / texture->GetHeight();
|
||||
v = v - floor(v);
|
||||
double v_step = uv_stepd / texture->GetHeight();
|
||||
|
||||
source = getcol(texture, xoffset >> FRACBITS);
|
||||
if (isnan(v) || isnan(v_step)) // this should never happen, but it apparently does..
|
||||
{
|
||||
uv_stepd = 0.0;
|
||||
v = 0.0;
|
||||
v_step = 0.0;
|
||||
}
|
||||
|
||||
// Convert to uint32:
|
||||
uv_pos = (uint32_t)(v * 0x100000000LL);
|
||||
uv_step = (uint32_t)(v_step * 0x100000000LL);
|
||||
uv_max = 0;
|
||||
|
||||
// Texture mipmap and filter selection:
|
||||
if (getcol != R_GetColumn)
|
||||
{
|
||||
source = getcol(texture, xoffset >> FRACBITS);
|
||||
source2 = nullptr;
|
||||
height = texture->GetHeight();
|
||||
texturefracx = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
double ymagnitude = fabs(uv_stepd);
|
||||
double magnitude = MAX(ymagnitude, xmagnitude);
|
||||
double min_lod = -1000.0;
|
||||
double lod = MAX(log2(magnitude) + r_lod_bias, min_lod);
|
||||
bool magnifying = lod < 0.0f;
|
||||
|
||||
int mipmap_offset = 0;
|
||||
int mip_width = texture->GetWidth();
|
||||
int mip_height = texture->GetHeight();
|
||||
if (r_mipmap && texture->Mipmapped() && mip_width > 1 && mip_height > 1)
|
||||
{
|
||||
uint32_t xpos = (uint32_t)((((uint64_t)xoffset) << FRACBITS) / mip_width);
|
||||
|
||||
int level = (int)lod;
|
||||
while (level > 0 && mip_width > 1 && mip_height > 1)
|
||||
{
|
||||
mipmap_offset += mip_width * mip_height;
|
||||
level--;
|
||||
mip_width = MAX(mip_width >> 1, 1);
|
||||
mip_height = MAX(mip_height >> 1, 1);
|
||||
}
|
||||
xoffset = (xpos >> FRACBITS) * mip_width;
|
||||
}
|
||||
|
||||
const uint32_t *pixels = texture->GetPixelsBgra() + mipmap_offset;
|
||||
|
||||
bool filter_nearest = (magnifying && !r_magfilter) || (!magnifying && !r_minfilter);
|
||||
if (filter_nearest)
|
||||
{
|
||||
int tx = (xoffset >> FRACBITS) % mip_width;
|
||||
if (tx < 0)
|
||||
tx += mip_width;
|
||||
source = (BYTE*)(pixels + tx * mip_height);
|
||||
source2 = nullptr;
|
||||
height = mip_height;
|
||||
texturefracx = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
xoffset -= FRACUNIT / 2;
|
||||
int tx0 = (xoffset >> FRACBITS) % mip_width;
|
||||
if (tx0 < 0)
|
||||
tx0 += mip_width;
|
||||
int tx1 = (tx0 + 1) % mip_width;
|
||||
source = (BYTE*)(pixels + tx0 * mip_height);
|
||||
source2 = (BYTE*)(pixels + tx1 * mip_height);
|
||||
height = mip_height;
|
||||
texturefracx = (xoffset >> (FRACBITS - 4)) & 15;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Draw a column with support for non-power-of-two ranges
|
||||
void wallscan_drawcol1(int x, int y1, int y2, WallscanSampler &sampler, DWORD(*draw1column)())
|
||||
{
|
||||
if (sampler.uv_max == 0 || sampler.uv_step == 0) // power of two
|
||||
if (r_swtruecolor)
|
||||
{
|
||||
int count = y2 - y1;
|
||||
|
||||
dc_source = sampler.source;
|
||||
dc_dest = (ylookup[y1] + x) + dc_destorg;
|
||||
dc_source2 = sampler.source2;
|
||||
dc_texturefracx = sampler.texturefracx;
|
||||
dc_dest = (ylookup[y1] + x) * 4 + dc_destorg;
|
||||
dc_count = count;
|
||||
dc_iscale = sampler.uv_step;
|
||||
dc_texturefrac = sampler.uv_pos;
|
||||
dc_textureheight = sampler.height;
|
||||
draw1column();
|
||||
|
||||
uint64_t step64 = sampler.uv_step;
|
||||
|
|
@ -115,43 +209,68 @@ void wallscan_drawcol1(int x, int y1, int y2, WallscanSampler &sampler, DWORD(*d
|
|||
}
|
||||
else
|
||||
{
|
||||
uint32_t uv_pos = sampler.uv_pos;
|
||||
|
||||
uint32_t left = y2 - y1;
|
||||
while (left > 0)
|
||||
if (sampler.uv_max == 0 || sampler.uv_step == 0) // power of two
|
||||
{
|
||||
uint32_t available = sampler.uv_max - uv_pos;
|
||||
uint32_t next_uv_wrap = available / sampler.uv_step;
|
||||
if (available % sampler.uv_step != 0)
|
||||
next_uv_wrap++;
|
||||
uint32_t count = MIN(left, next_uv_wrap);
|
||||
int count = y2 - y1;
|
||||
|
||||
dc_source = sampler.source;
|
||||
dc_source2 = sampler.source2;
|
||||
dc_texturefracx = sampler.texturefracx;
|
||||
dc_dest = (ylookup[y1] + x) + dc_destorg;
|
||||
dc_count = count;
|
||||
dc_iscale = sampler.uv_step;
|
||||
dc_texturefrac = uv_pos;
|
||||
dc_texturefrac = sampler.uv_pos;
|
||||
draw1column();
|
||||
|
||||
left -= count;
|
||||
uv_pos += sampler.uv_step * count;
|
||||
if (uv_pos >= sampler.uv_max)
|
||||
uv_pos -= sampler.uv_max;
|
||||
uint64_t step64 = sampler.uv_step;
|
||||
uint64_t pos64 = sampler.uv_pos;
|
||||
sampler.uv_pos = (uint32_t)(pos64 + step64 * count);
|
||||
}
|
||||
else
|
||||
{
|
||||
uint32_t uv_pos = sampler.uv_pos;
|
||||
|
||||
sampler.uv_pos = uv_pos;
|
||||
uint32_t left = y2 - y1;
|
||||
while (left > 0)
|
||||
{
|
||||
uint32_t available = sampler.uv_max - uv_pos;
|
||||
uint32_t next_uv_wrap = available / sampler.uv_step;
|
||||
if (available % sampler.uv_step != 0)
|
||||
next_uv_wrap++;
|
||||
uint32_t count = MIN(left, next_uv_wrap);
|
||||
|
||||
dc_source = sampler.source;
|
||||
dc_source2 = sampler.source2;
|
||||
dc_texturefracx = sampler.texturefracx;
|
||||
dc_dest = (ylookup[y1] + x) + dc_destorg;
|
||||
dc_count = count;
|
||||
dc_iscale = sampler.uv_step;
|
||||
dc_texturefrac = uv_pos;
|
||||
draw1column();
|
||||
|
||||
left -= count;
|
||||
uv_pos += sampler.uv_step * count;
|
||||
if (uv_pos >= sampler.uv_max)
|
||||
uv_pos -= sampler.uv_max;
|
||||
}
|
||||
|
||||
sampler.uv_pos = uv_pos;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Draw four columns with support for non-power-of-two ranges
|
||||
void wallscan_drawcol4(int x, int y1, int y2, WallscanSampler *sampler, void(*draw4columns)())
|
||||
{
|
||||
if (sampler[0].uv_max == 0 || sampler[0].uv_step == 0) // power of two, no wrap handling needed
|
||||
if (r_swtruecolor)
|
||||
{
|
||||
int count = y2 - y1;
|
||||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
bufplce[i] = sampler[i].source;
|
||||
bufplce2[i] = sampler[i].source2;
|
||||
buftexturefracx[i] = sampler[i].texturefracx;
|
||||
bufheight[i] = sampler[i].height;
|
||||
vplce[i] = sampler[i].uv_pos;
|
||||
vince[i] = sampler[i].uv_step;
|
||||
|
||||
|
|
@ -159,50 +278,74 @@ void wallscan_drawcol4(int x, int y1, int y2, WallscanSampler *sampler, void(*dr
|
|||
uint64_t pos64 = sampler[i].uv_pos;
|
||||
sampler[i].uv_pos = (uint32_t)(pos64 + step64 * count);
|
||||
}
|
||||
dc_dest = (ylookup[y1] + x) + dc_destorg;
|
||||
dc_dest = (ylookup[y1] + x) * 4 + dc_destorg;
|
||||
dc_count = count;
|
||||
draw4columns();
|
||||
}
|
||||
else
|
||||
{
|
||||
dc_dest = (ylookup[y1] + x) + dc_destorg;
|
||||
for (int i = 0; i < 4; i++)
|
||||
if (sampler[0].uv_max == 0 || sampler[0].uv_step == 0) // power of two, no wrap handling needed
|
||||
{
|
||||
bufplce[i] = sampler[i].source;
|
||||
}
|
||||
|
||||
uint32_t left = y2 - y1;
|
||||
while (left > 0)
|
||||
{
|
||||
// Find which column wraps first
|
||||
uint32_t count = left;
|
||||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
uint32_t available = sampler[i].uv_max - sampler[i].uv_pos;
|
||||
uint32_t next_uv_wrap = available / sampler[i].uv_step;
|
||||
if (available % sampler[i].uv_step != 0)
|
||||
next_uv_wrap++;
|
||||
count = MIN(next_uv_wrap, count);
|
||||
}
|
||||
|
||||
// Draw until that column wraps
|
||||
int count = y2 - y1;
|
||||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
bufplce[i] = sampler[i].source;
|
||||
bufplce2[i] = sampler[i].source2;
|
||||
buftexturefracx[i] = sampler[i].texturefracx;
|
||||
vplce[i] = sampler[i].uv_pos;
|
||||
vince[i] = sampler[i].uv_step;
|
||||
|
||||
uint64_t step64 = sampler[i].uv_step;
|
||||
uint64_t pos64 = sampler[i].uv_pos;
|
||||
sampler[i].uv_pos = (uint32_t)(pos64 + step64 * count);
|
||||
}
|
||||
dc_dest = (ylookup[y1] + x) + dc_destorg;
|
||||
dc_count = count;
|
||||
draw4columns();
|
||||
|
||||
// Wrap the uv position
|
||||
}
|
||||
else
|
||||
{
|
||||
dc_dest = (ylookup[y1] + x) + dc_destorg;
|
||||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
sampler[i].uv_pos += sampler[i].uv_step * count;
|
||||
if (sampler[i].uv_pos >= sampler[i].uv_max)
|
||||
sampler[i].uv_pos -= sampler[i].uv_max;
|
||||
bufplce[i] = sampler[i].source;
|
||||
bufplce2[i] = sampler[i].source2;
|
||||
buftexturefracx[i] = sampler[i].texturefracx;
|
||||
}
|
||||
|
||||
left -= count;
|
||||
uint32_t left = y2 - y1;
|
||||
while (left > 0)
|
||||
{
|
||||
// Find which column wraps first
|
||||
uint32_t count = left;
|
||||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
uint32_t available = sampler[i].uv_max - sampler[i].uv_pos;
|
||||
uint32_t next_uv_wrap = available / sampler[i].uv_step;
|
||||
if (available % sampler[i].uv_step != 0)
|
||||
next_uv_wrap++;
|
||||
count = MIN(next_uv_wrap, count);
|
||||
}
|
||||
|
||||
// Draw until that column wraps
|
||||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
vplce[i] = sampler[i].uv_pos;
|
||||
vince[i] = sampler[i].uv_step;
|
||||
}
|
||||
dc_count = count;
|
||||
draw4columns();
|
||||
|
||||
// Wrap the uv position
|
||||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
sampler[i].uv_pos += sampler[i].uv_step * count;
|
||||
if (sampler[i].uv_pos >= sampler[i].uv_max)
|
||||
sampler[i].uv_pos -= sampler[i].uv_max;
|
||||
}
|
||||
|
||||
left -= count;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -231,7 +374,7 @@ void wallscan_any(
|
|||
|
||||
DWORD(*draw1column)();
|
||||
void(*draw4columns)();
|
||||
setupwallscan(fracbits, draw1column, draw4columns);
|
||||
setupwallscan(r_swtruecolor ? FRACBITS : fracbits, draw1column, draw4columns);
|
||||
|
||||
bool fixed = (fixedcolormap != NULL || fixedlightlev >= 0);
|
||||
if (fixed)
|
||||
|
|
@ -240,12 +383,16 @@ void wallscan_any(
|
|||
palookupoffse[1] = dc_colormap;
|
||||
palookupoffse[2] = dc_colormap;
|
||||
palookupoffse[3] = dc_colormap;
|
||||
palookuplight[0] = 0;
|
||||
palookuplight[1] = 0;
|
||||
palookuplight[2] = 0;
|
||||
palookuplight[3] = 0;
|
||||
}
|
||||
|
||||
if (fixedcolormap)
|
||||
dc_colormap = fixedcolormap;
|
||||
R_SetColorMapLight(fixedcolormap, 0, 0);
|
||||
else
|
||||
dc_colormap = basecolormap->Maps;
|
||||
R_SetColorMapLight(basecolormap, 0, 0);
|
||||
|
||||
float light = rw_light;
|
||||
|
||||
|
|
@ -253,6 +400,8 @@ void wallscan_any(
|
|||
int aligned_x1 = clamp((x1 + 3) / 4 * 4, x1, x2);
|
||||
int aligned_x2 = clamp(x2 / 4 * 4, x1, x2);
|
||||
|
||||
double xmagnitude = 1.0;
|
||||
|
||||
// First unaligned columns:
|
||||
for (int x = x1; x < aligned_x1; x++, light += rw_lightstep)
|
||||
{
|
||||
|
|
@ -262,9 +411,11 @@ void wallscan_any(
|
|||
continue;
|
||||
|
||||
if (!fixed)
|
||||
dc_colormap = basecolormap->Maps + (GETPALOOKUP(light, wallshade) << COLORMAPSHIFT);
|
||||
R_SetColorMapLight(basecolormap, light, wallshade);
|
||||
|
||||
WallscanSampler sampler(y1, swal[x], yrepeat, lwal[x] + xoffset, rw_pic, getcol);
|
||||
if (x + 1 < x2) xmagnitude = fabs(FIXED2DBL(lwal[x + 1]) - FIXED2DBL(lwal[x]));
|
||||
|
||||
WallscanSampler sampler(y1, swal[x], yrepeat, lwal[x] + xoffset, xmagnitude, rw_pic, getcol);
|
||||
wallscan_drawcol1(x, y1, y2, sampler, draw1column);
|
||||
}
|
||||
|
||||
|
|
@ -284,7 +435,10 @@ void wallscan_any(
|
|||
|
||||
WallscanSampler sampler[4];
|
||||
for (int i = 0; i < 4; i++)
|
||||
sampler[i] = WallscanSampler(y1[i], swal[x + i], yrepeat, lwal[x + i] + xoffset, rw_pic, getcol);
|
||||
{
|
||||
if (x + i + 1 < x2) xmagnitude = fabs(FIXED2DBL(lwal[x + i + 1]) - FIXED2DBL(lwal[x + i]));
|
||||
sampler[i] = WallscanSampler(y1[i], swal[x + i], yrepeat, lwal[x + i] + xoffset, xmagnitude, rw_pic, getcol);
|
||||
}
|
||||
|
||||
// Figure out where we vertically can start and stop drawing 4 columns in one go
|
||||
int middle_y1 = y1[0];
|
||||
|
|
@ -297,13 +451,16 @@ void wallscan_any(
|
|||
|
||||
// If we got an empty column in our set we cannot draw 4 columns in one go:
|
||||
bool empty_column_in_set = false;
|
||||
int bilinear_count = 0;
|
||||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
if (y2[i] <= y1[i])
|
||||
empty_column_in_set = true;
|
||||
if (sampler[i].source2)
|
||||
bilinear_count++;
|
||||
}
|
||||
|
||||
if (empty_column_in_set || middle_y2 <= middle_y1)
|
||||
if (empty_column_in_set || middle_y2 <= middle_y1 || (bilinear_count > 0 && bilinear_count < 4))
|
||||
{
|
||||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
|
|
@ -311,7 +468,7 @@ void wallscan_any(
|
|||
continue;
|
||||
|
||||
if (!fixed)
|
||||
dc_colormap = basecolormap->Maps + (GETPALOOKUP(lights[i], wallshade) << COLORMAPSHIFT);
|
||||
R_SetColorMapLight(basecolormap, lights[i], wallshade);
|
||||
wallscan_drawcol1(x + i, y1[i], y2[i], sampler[i], draw1column);
|
||||
}
|
||||
continue;
|
||||
|
|
@ -321,7 +478,7 @@ void wallscan_any(
|
|||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
if (!fixed)
|
||||
dc_colormap = basecolormap->Maps + (GETPALOOKUP(lights[i], wallshade) << COLORMAPSHIFT);
|
||||
R_SetColorMapLight(basecolormap, lights[i], wallshade);
|
||||
|
||||
if (y1[i] < middle_y1)
|
||||
wallscan_drawcol1(x + i, y1[i], middle_y1, sampler[i], draw1column);
|
||||
|
|
@ -332,7 +489,16 @@ void wallscan_any(
|
|||
{
|
||||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
palookupoffse[i] = basecolormap->Maps + (GETPALOOKUP(lights[i], wallshade) << COLORMAPSHIFT);
|
||||
if (r_swtruecolor)
|
||||
{
|
||||
palookupoffse[i] = basecolormap->Maps;
|
||||
palookuplight[i] = LIGHTSCALE(lights[i], wallshade);
|
||||
}
|
||||
else
|
||||
{
|
||||
palookupoffse[i] = basecolormap->Maps + (GETPALOOKUP(lights[i], wallshade) << COLORMAPSHIFT);
|
||||
palookuplight[i] = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
wallscan_drawcol4(x, middle_y1, middle_y2, sampler, draw4columns);
|
||||
|
|
@ -341,7 +507,7 @@ void wallscan_any(
|
|||
for (int i = 0; i < 4; i++)
|
||||
{
|
||||
if (!fixed)
|
||||
dc_colormap = basecolormap->Maps + (GETPALOOKUP(lights[i], wallshade) << COLORMAPSHIFT);
|
||||
R_SetColorMapLight(basecolormap, lights[i], wallshade);
|
||||
|
||||
if (middle_y2 < y2[i])
|
||||
wallscan_drawcol1(x + i, middle_y2, y2[i], sampler[i], draw1column);
|
||||
|
|
@ -357,13 +523,15 @@ void wallscan_any(
|
|||
continue;
|
||||
|
||||
if (!fixed)
|
||||
dc_colormap = basecolormap->Maps + (GETPALOOKUP(light, wallshade) << COLORMAPSHIFT);
|
||||
R_SetColorMapLight(basecolormap, light, wallshade);
|
||||
|
||||
WallscanSampler sampler(y1, swal[x], yrepeat, lwal[x] + xoffset, rw_pic, getcol);
|
||||
if (x + 1 < x2) xmagnitude = fabs(FIXED2DBL(lwal[x + 1]) - FIXED2DBL(lwal[x]));
|
||||
|
||||
WallscanSampler sampler(y1, swal[x], yrepeat, lwal[x] + xoffset, xmagnitude, rw_pic, getcol);
|
||||
wallscan_drawcol1(x, y1, y2, sampler, draw1column);
|
||||
}
|
||||
|
||||
NetUpdate();
|
||||
NetUpdate ();
|
||||
}
|
||||
|
||||
void wallscan(int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t *lwal, double yrepeat, const BYTE *(*getcol)(FTexture *tex, int x))
|
||||
|
|
@ -376,7 +544,7 @@ void wallscan(int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t *lw
|
|||
});
|
||||
}
|
||||
|
||||
void maskwallscan(int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t *lwal, double yrepeat, const BYTE *(*getcol)(FTexture *tex, int x) = R_GetColumn)
|
||||
void maskwallscan(int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t *lwal, double yrepeat, const BYTE *(*getcol)(FTexture *tex, int x))
|
||||
{
|
||||
if (!rw_pic->bMasked) // Textures that aren't masked can use the faster wallscan.
|
||||
{
|
||||
|
|
@ -393,7 +561,7 @@ void maskwallscan(int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t
|
|||
}
|
||||
}
|
||||
|
||||
void transmaskwallscan(int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t *lwal, double yrepeat, const BYTE *(*getcol)(FTexture *tex, int x) = R_GetColumn)
|
||||
void transmaskwallscan(int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t *lwal, double yrepeat, const BYTE *(*getcol)(FTexture *tex, int x))
|
||||
{
|
||||
static fixed_t(*tmvline1)();
|
||||
static void(*tmvline4)();
|
||||
|
|
@ -454,7 +622,7 @@ void wallscan_striped (int x1, int x2, short *uwal, short *dwal, float *swal, fi
|
|||
wallshade = startshade;
|
||||
}
|
||||
|
||||
void call_wallscan(int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t *lwal, double yrepeat, bool mask)
|
||||
static void call_wallscan(int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t *lwal, double yrepeat, bool mask)
|
||||
{
|
||||
if (mask)
|
||||
{
|
||||
|
|
@ -493,67 +661,74 @@ void call_wallscan(int x1, int x2, short *uwal, short *dwal, float *swal, fixed_
|
|||
|
||||
void wallscan_np2(int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t *lwal, double yrepeat, double top, double bot, bool mask)
|
||||
{
|
||||
short most1[MAXWIDTH], most2[MAXWIDTH], most3[MAXWIDTH];
|
||||
short *up, *down;
|
||||
double texheight = rw_pic->GetHeight();
|
||||
double partition;
|
||||
double scaledtexheight = texheight / yrepeat;
|
||||
|
||||
if (yrepeat >= 0)
|
||||
{ // normal orientation: draw strips from top to bottom
|
||||
partition = top - fmod(top - dc_texturemid / yrepeat - ViewPos.Z, scaledtexheight);
|
||||
if (partition == top)
|
||||
{
|
||||
partition -= scaledtexheight;
|
||||
}
|
||||
up = uwal;
|
||||
down = most1;
|
||||
dc_texturemid = (partition - ViewPos.Z) * yrepeat + texheight;
|
||||
while (partition > bot)
|
||||
{
|
||||
int j = OWallMost(most3, partition - ViewPos.Z, &WallC);
|
||||
if (j != 3)
|
||||
{
|
||||
for (int j = x1; j < x2; ++j)
|
||||
{
|
||||
down[j] = clamp(most3[j], up[j], dwal[j]);
|
||||
}
|
||||
call_wallscan(x1, x2, up, down, swal, lwal, yrepeat, mask);
|
||||
up = down;
|
||||
down = (down == most1) ? most2 : most1;
|
||||
}
|
||||
partition -= scaledtexheight;
|
||||
dc_texturemid -= texheight;
|
||||
}
|
||||
call_wallscan(x1, x2, up, dwal, swal, lwal, yrepeat, mask);
|
||||
if (!r_np2)
|
||||
{
|
||||
call_wallscan(x1, x2, uwal, dwal, swal, lwal, yrepeat, mask);
|
||||
}
|
||||
else
|
||||
{ // upside down: draw strips from bottom to top
|
||||
partition = bot - fmod(bot - dc_texturemid / yrepeat - ViewPos.Z, scaledtexheight);
|
||||
up = most1;
|
||||
down = dwal;
|
||||
dc_texturemid = (partition - ViewPos.Z) * yrepeat + texheight;
|
||||
while (partition < top)
|
||||
{
|
||||
int j = OWallMost(most3, partition - ViewPos.Z, &WallC);
|
||||
if (j != 12)
|
||||
{
|
||||
short most1[MAXWIDTH], most2[MAXWIDTH], most3[MAXWIDTH];
|
||||
short *up, *down;
|
||||
double texheight = rw_pic->GetHeight();
|
||||
double partition;
|
||||
double scaledtexheight = texheight / yrepeat;
|
||||
|
||||
if (yrepeat >= 0)
|
||||
{ // normal orientation: draw strips from top to bottom
|
||||
partition = top - fmod(top - dc_texturemid / yrepeat - ViewPos.Z, scaledtexheight);
|
||||
if (partition == top)
|
||||
{
|
||||
for (int j = x1; j < x2; ++j)
|
||||
{
|
||||
up[j] = clamp(most3[j], uwal[j], down[j]);
|
||||
}
|
||||
call_wallscan(x1, x2, up, down, swal, lwal, yrepeat, mask);
|
||||
down = up;
|
||||
up = (up == most1) ? most2 : most1;
|
||||
partition -= scaledtexheight;
|
||||
}
|
||||
partition -= scaledtexheight;
|
||||
dc_texturemid -= texheight;
|
||||
}
|
||||
call_wallscan(x1, x2, uwal, down, swal, lwal, yrepeat, mask);
|
||||
up = uwal;
|
||||
down = most1;
|
||||
dc_texturemid = (partition - ViewPos.Z) * yrepeat + texheight;
|
||||
while (partition > bot)
|
||||
{
|
||||
int j = OWallMost(most3, partition - ViewPos.Z, &WallC);
|
||||
if (j != 3)
|
||||
{
|
||||
for (int j = x1; j < x2; ++j)
|
||||
{
|
||||
down[j] = clamp(most3[j], up[j], dwal[j]);
|
||||
}
|
||||
call_wallscan(x1, x2, up, down, swal, lwal, yrepeat, mask);
|
||||
up = down;
|
||||
down = (down == most1) ? most2 : most1;
|
||||
}
|
||||
partition -= scaledtexheight;
|
||||
dc_texturemid -= texheight;
|
||||
}
|
||||
call_wallscan(x1, x2, up, dwal, swal, lwal, yrepeat, mask);
|
||||
}
|
||||
else
|
||||
{ // upside down: draw strips from bottom to top
|
||||
partition = bot - fmod(bot - dc_texturemid / yrepeat - ViewPos.Z, scaledtexheight);
|
||||
up = most1;
|
||||
down = dwal;
|
||||
dc_texturemid = (partition - ViewPos.Z) * yrepeat + texheight;
|
||||
while (partition < top)
|
||||
{
|
||||
int j = OWallMost(most3, partition - ViewPos.Z, &WallC);
|
||||
if (j != 12)
|
||||
{
|
||||
for (int j = x1; j < x2; ++j)
|
||||
{
|
||||
up[j] = clamp(most3[j], uwal[j], down[j]);
|
||||
}
|
||||
call_wallscan(x1, x2, up, down, swal, lwal, yrepeat, mask);
|
||||
down = up;
|
||||
up = (up == most1) ? most2 : most1;
|
||||
}
|
||||
partition -= scaledtexheight;
|
||||
dc_texturemid -= texheight;
|
||||
}
|
||||
call_wallscan(x1, x2, uwal, down, swal, lwal, yrepeat, mask);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void wallscan_np2_ds(drawseg_t *ds, int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t *lwal, double yrepeat)
|
||||
static void wallscan_np2_ds(drawseg_t *ds, int x1, int x2, short *uwal, short *dwal, float *swal, fixed_t *lwal, double yrepeat)
|
||||
{
|
||||
if (rw_pic->GetHeight() != 1 << rw_pic->HeightBits)
|
||||
{
|
||||
|
|
@ -579,5 +754,4 @@ void wallscan_np2_ds(drawseg_t *ds, int x1, int x2, short *uwal, short *dwal, fl
|
|||
}
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
Loading…
Reference in a new issue