mirror of
https://github.com/KartKrewDev/RingRacers.git
synced 2025-10-30 08:01:28 +00:00
Thick stuff. Hoping I didn't break anything.
This commit is contained in:
Jaime Passos
parent
c8f9896e2d
commit
1ac4b608dc
2 changed files with 386 additions and 331 deletions
702
src/r_segs.c
702
src/r_segs.c
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@ -2360,14 +2360,13 @@ static void R_DrawWallSplats(void)
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// way we don't have to store extra post_t info with each column for
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// multi-patch textures. They are not normally needed as multi-patch
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// textures don't have holes in it. At least not for now.
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static INT32 column2s_length; // column->length : for multi-patch on 2sided wall = texture->height
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static void R_Render2sidedMultiPatchColumn(column_t *column)
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{
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INT32 topscreen, bottomscreen;
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topscreen = sprtopscreen; // + spryscale*column->topdelta; topdelta is 0 for the wall
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bottomscreen = topscreen + spryscale * column2s_length;
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bottomscreen = topscreen + spryscale * rw.column2s_length;
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dc_yl = (sprtopscreen+FRACUNIT-1)>>FRACBITS;
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dc_yh = (bottomscreen-1)>>FRACBITS;
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@ -2403,7 +2402,7 @@ static void R_Render2sidedMultiPatchColumn(column_t *column)
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// uses column2s_length for texture->height as above
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static void R_DrawFlippedMaskedSegColumn(column_t *column)
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{
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R_DrawFlippedMaskedColumn(column, column2s_length);
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R_DrawFlippedMaskedColumn(column, rw.column2s_length);
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}
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void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
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@ -2414,7 +2413,6 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
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fixed_t height, realbot;
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lightlist_t *light;
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r_lightlist_t *rlight;
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void (*colfunc_2s)(column_t *);
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line_t *ldef;
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sector_t *front, *back;
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INT32 times, repeats;
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@ -2483,16 +2481,16 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
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{
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if (textures[texnum]->flip & 2) // vertically flipped?
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{
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colfunc_2s = R_DrawFlippedMaskedSegColumn;
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column2s_length = textures[texnum]->height;
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rw.colfunc_2s = R_DrawFlippedMaskedSegColumn;
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rw.column2s_length = textures[texnum]->height;
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}
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else
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colfunc_2s = R_DrawMaskedColumn; // render the usual 2sided single-patch packed texture
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rw.colfunc_2s = R_DrawMaskedColumn; // render the usual 2sided single-patch packed texture
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}
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else
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{
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colfunc_2s = R_Render2sidedMultiPatchColumn; // render multipatch with no holes (no post_t info)
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column2s_length = textures[texnum]->height;
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rw.colfunc_2s = R_Render2sidedMultiPatchColumn; // render multipatch with no holes (no post_t info)
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rw.column2s_length = textures[texnum]->height;
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}
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// Setup lighting based on the presence/lack-of 3D floors.
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@ -2741,7 +2739,7 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
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if (windowbottom >= realbot)
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{
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windowbottom = realbot;
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colfunc_2s(col);
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rw.colfunc_2s(col);
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for (i++; i < dc_numlights; i++)
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{
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rlight = &dc_lightlist[i];
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@ -2750,13 +2748,13 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
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continue;
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}
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colfunc_2s(col);
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rw.colfunc_2s(col);
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windowtop = windowbottom + 1;
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dc_colormap = rlight->rcolormap;
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}
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windowbottom = realbot;
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if (windowtop < windowbottom)
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colfunc_2s(col);
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rw.colfunc_2s(col);
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spryscale += rw.scalestep;
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continue;
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@ -2833,7 +2831,7 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
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}
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else
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#endif
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colfunc_2s(col);
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rw.colfunc_2s(col);
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}
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spryscale += rw.scalestep;
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}
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@ -2856,110 +2854,238 @@ static void R_DrawRepeatMaskedColumn(column_t *col)
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static void R_DrawRepeatFlippedMaskedColumn(column_t *col)
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{
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do {
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R_DrawFlippedMaskedColumn(col, column2s_length);
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R_DrawFlippedMaskedColumn(col, rw.column2s_length);
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sprtopscreen += dc_texheight*spryscale;
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} while (sprtopscreen < sprbotscreen);
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}
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//
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// R_RenderThickSideRange
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// Renders all the thick sides in the given range.
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void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
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// R_RenderThickSegLoop
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// Like R_RenderSegLoop, but for thick sides.
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//
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void R_RenderThickSegLoop(void)
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{
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size_t pindex;
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column_t * col;
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INT32 lightnum;
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INT32 texnum;
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sector_t tempsec;
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INT32 templight;
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INT32 i, p;
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fixed_t bottombounds = viewheight << FRACBITS;
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fixed_t topbounds = (con_clipviewtop - 1) << FRACBITS;
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fixed_t offsetvalue = 0;
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lightlist_t *light;
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r_lightlist_t *rlight;
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column_t *col;
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size_t pindex;
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INT32 i;
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INT32 lightnum;
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r_lightlist_t *rlight;
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ffloor_t *pfloor = rw.pfloor;
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fixed_t bottombounds = viewheight << FRACBITS;
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fixed_t topbounds = (con_clipviewtop - 1) << FRACBITS;
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#ifdef ESLOPE
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INT32 range;
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#endif
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#ifndef ESLOPE
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fixed_t lheight;
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#endif
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line_t *newline = NULL;
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#ifdef ESLOPE
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// Render FOF sides kinda like normal sides, with the frac and step and everything
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// NOTE: INT64 instead of fixed_t because overflow concerns
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INT64 top_frac, top_step, bottom_frac, bottom_step;
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// skew FOF walls with slopes?
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boolean slopeskew = false;
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fixed_t ffloortextureslide = 0;
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INT32 oldx = -1;
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fixed_t left_top, left_bottom; // needed here for slope skewing
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pslope_t *skewslope = NULL;
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INT32 oldx = -1;
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#endif
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void (*colfunc_2s) (column_t *);
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// Calculate light table.
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// Use different light tables
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// for horizontal / vertical / diagonal. Diagonal?
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// OPTIMIZE: get rid of LIGHTSEGSHIFT globally
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curline = ds->curline;
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backsector = pfloor->target;
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frontsector = curline->frontsector == pfloor->target ? curline->backsector : curline->frontsector;
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texnum = R_GetTextureNum(sides[pfloor->master->sidenum[0]].midtexture);
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colfunc = colfuncs[BASEDRAWFUNC];
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if (pfloor->master->flags & ML_TFERLINE)
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for (dc_x = rw.x; dc_x <= rw.stopx; dc_x++)
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{
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size_t linenum = curline->linedef-backsector->lines[0];
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newline = pfloor->master->frontsector->lines[0] + linenum;
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texnum = R_GetTextureNum(sides[newline->sidenum[0]].midtexture);
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}
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if (pfloor->flags & FF_TRANSLUCENT)
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{
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boolean fuzzy = true;
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// Hacked up support for alpha value in software mode Tails 09-24-2002
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if (pfloor->alpha < 12)
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return; // Don't even draw it
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else if (pfloor->alpha < 38)
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dc_transmap = transtables + ((tr_trans90-1)<<FF_TRANSSHIFT);
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else if (pfloor->alpha < 64)
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dc_transmap = transtables + ((tr_trans80-1)<<FF_TRANSSHIFT);
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else if (pfloor->alpha < 89)
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dc_transmap = transtables + ((tr_trans70-1)<<FF_TRANSSHIFT);
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else if (pfloor->alpha < 115)
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dc_transmap = transtables + ((tr_trans60-1)<<FF_TRANSSHIFT);
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else if (pfloor->alpha < 140)
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dc_transmap = transtables + ((tr_trans50-1)<<FF_TRANSSHIFT);
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else if (pfloor->alpha < 166)
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dc_transmap = transtables + ((tr_trans40-1)<<FF_TRANSSHIFT);
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else if (pfloor->alpha < 192)
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dc_transmap = transtables + ((tr_trans30-1)<<FF_TRANSSHIFT);
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else if (pfloor->alpha < 217)
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dc_transmap = transtables + ((tr_trans20-1)<<FF_TRANSSHIFT);
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else if (pfloor->alpha < 243)
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dc_transmap = transtables + ((tr_trans10-1)<<FF_TRANSSHIFT);
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else
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fuzzy = false; // Opaque
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if (fuzzy)
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colfunc = colfuncs[COLDRAWFUNC_FUZZY];
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}
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else if (pfloor->flags & FF_FOG)
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colfunc = colfuncs[COLDRAWFUNC_FOG];
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if (maskedtexturecol[dc_x] != INT16_MAX)
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{
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#ifdef ESLOPE
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range = max(ds->x2-ds->x1, 1);
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if (rw.ffloortextureslide) { // skew FOF walls
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if (oldx != -1)
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dc_texturemid += FixedMul(rw.ffloortextureslide, (maskedtexturecol[oldx]-maskedtexturecol[dc_x])<<FRACBITS);
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oldx = dc_x;
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}
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#endif
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//SoM: Moved these up here so they are available for my lightlist calculations
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rw.scalestep = ds->scalestep;
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spryscale = ds->scale1 + (x1 - ds->x1)*rw.scalestep;
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// Calculate bounds
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// clamp the values if necessary to avoid overflows and rendering glitches caused by them
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#ifdef ESLOPE
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#define CLAMPMAX INT32_MAX
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#define CLAMPMIN (-INT32_MAX) // This is not INT32_MIN on purpose! INT32_MIN makes the drawers freak out.
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if (rw.top_frac > (INT64)CLAMPMAX) sprtopscreen = windowtop = CLAMPMAX;
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else if (rw.top_frac > (INT64)CLAMPMIN) sprtopscreen = windowtop = (fixed_t)rw.top_frac;
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else sprtopscreen = windowtop = CLAMPMIN;
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if (rw.bottom_frac > (INT64)CLAMPMAX) sprbotscreen = windowbottom = CLAMPMAX;
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else if (rw.bottom_frac > (INT64)CLAMPMIN) sprbotscreen = windowbottom = (fixed_t)rw.bottom_frac;
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else sprbotscreen = windowbottom = CLAMPMIN;
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rw.top_frac += rw.top_step;
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rw.bottom_frac += rw.bottom_step;
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#else
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sprtopscreen = windowtop = (centeryfrac - FixedMul((dc_texturemid - offsetvalue), spryscale));
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sprbotscreen = windowbottom = FixedMul(*pfloor->topheight - *pfloor->bottomheight, spryscale) + sprtopscreen;
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#endif
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// SoM: If column is out of range, why bother with it??
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if (windowbottom < topbounds || windowtop > bottombounds)
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{
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if (dc_numlights)
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{
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for (i = 0; i < dc_numlights; i++)
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{
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rlight = &dc_lightlist[i];
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rlight->height += rlight->heightstep;
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if (rlight->flags & FF_CUTLEVEL)
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rlight->botheight += rlight->botheightstep;
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}
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}
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spryscale += rw.scalestep;
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continue;
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}
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dc_iscale = 0xffffffffu / (unsigned)spryscale;
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// Get data for the column
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col = (column_t *)((UINT8 *)R_GetColumn(rw.texnum,maskedtexturecol[dc_x]) - 3);
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// SoM: New code does not rely on R_DrawColumnShadowed_8 which
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// will (hopefully) put less strain on the stack.
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if (dc_numlights)
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{
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lighttable_t **xwalllights;
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fixed_t height;
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fixed_t bheight = 0;
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INT32 solid = 0;
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INT32 lighteffect = 0;
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for (i = 0; i < dc_numlights; i++)
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{
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// Check if the current light effects the colormap/lightlevel
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rlight = &dc_lightlist[i];
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lighteffect = !(dc_lightlist[i].flags & FF_NOSHADE);
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if (lighteffect)
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{
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lightnum = rlight->lightnum;
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if (lightnum < 0)
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xwalllights = scalelight[0];
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else if (lightnum >= LIGHTLEVELS)
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xwalllights = scalelight[LIGHTLEVELS-1];
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else
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xwalllights = scalelight[lightnum];
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pindex = FixedMul(spryscale, FixedDiv(640, vid.width))>>LIGHTSCALESHIFT;
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if (pindex >= MAXLIGHTSCALE)
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pindex = MAXLIGHTSCALE-1;
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if (pfloor->flags & FF_FOG)
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{
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if (pfloor->master->frontsector->extra_colormap)
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rlight->rcolormap = pfloor->master->frontsector->extra_colormap->colormap + (xwalllights[pindex] - colormaps);
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else
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rlight->rcolormap = xwalllights[pindex];
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}
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else
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{
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if (rlight->extra_colormap)
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rlight->rcolormap = rlight->extra_colormap->colormap + (xwalllights[pindex] - colormaps);
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else
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rlight->rcolormap = xwalllights[pindex];
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}
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}
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solid = 0; // don't carry over solid-cutting flag from the previous light
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// Check if the current light can cut the current 3D floor.
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if (rlight->flags & FF_CUTSOLIDS && !(pfloor->flags & FF_EXTRA))
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solid = 1;
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else if (rlight->flags & FF_CUTEXTRA && pfloor->flags & FF_EXTRA)
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{
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if (rlight->flags & FF_EXTRA)
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{
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// The light is from an extra 3D floor... Check the flags so
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// there are no undesired cuts.
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if ((rlight->flags & (FF_FOG|FF_SWIMMABLE)) == (pfloor->flags & (FF_FOG|FF_SWIMMABLE)))
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solid = 1;
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}
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else
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solid = 1;
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}
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else
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solid = 0;
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height = rlight->height;
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rlight->height += rlight->heightstep;
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if (solid)
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{
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bheight = rlight->botheight - (FRACUNIT >> 1);
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rlight->botheight += rlight->botheightstep;
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}
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if (height <= windowtop)
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{
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if (lighteffect)
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dc_colormap = rlight->rcolormap;
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if (solid && windowtop < bheight)
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windowtop = bheight;
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continue;
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}
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windowbottom = height;
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if (windowbottom >= sprbotscreen)
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{
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windowbottom = sprbotscreen;
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// draw the texture
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rw.colfunc_2s (col);
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for (i++; i < dc_numlights; i++)
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{
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rlight = &dc_lightlist[i];
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rlight->height += rlight->heightstep;
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if (rlight->flags & FF_CUTLEVEL)
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rlight->botheight += rlight->botheightstep;
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}
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continue;
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}
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// draw the texture
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rw.colfunc_2s (col);
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if (solid)
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windowtop = bheight;
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else
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windowtop = windowbottom + 1;
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if (lighteffect)
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dc_colormap = rlight->rcolormap;
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}
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windowbottom = sprbotscreen;
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// draw the texture, if there is any space left
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if (windowtop < windowbottom)
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rw.colfunc_2s (col);
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spryscale += rw.scalestep;
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continue;
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}
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// calculate lighting
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pindex = FixedMul(spryscale, FixedDiv(640, vid.width))>>LIGHTSCALESHIFT;
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if (pindex >= MAXLIGHTSCALE)
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pindex = MAXLIGHTSCALE - 1;
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dc_colormap = walllights[pindex];
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if (pfloor->flags & FF_FOG && pfloor->master->frontsector->extra_colormap)
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dc_colormap = pfloor->master->frontsector->extra_colormap->colormap + (dc_colormap - colormaps);
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else if (frontsector->extra_colormap)
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dc_colormap = frontsector->extra_colormap->colormap + (dc_colormap - colormaps);
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// draw the texture
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rw.colfunc_2s (col);
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spryscale += rw.scalestep;
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}
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}
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}
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//
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// R_ThickLightLists
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// Creates light lists, but for thick sides.
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//
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static void R_ThickLightLists(drawseg_t *ds, INT32 range)
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{
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INT32 lightnum;
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sector_t tempsec;
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INT32 templight;
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INT32 i, p;
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lightlist_t *light;
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r_lightlist_t *rlight;
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ffloor_t *pfloor = rw.pfloor;
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dc_numlights = 0;
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if (frontsector->numlights)
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{
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dc_numlights = frontsector->numlights;
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@ -2975,6 +3101,8 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
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fixed_t leftheight, rightheight;
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fixed_t pfloorleft, pfloorright;
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INT64 overflow_test;
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#else
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(void)range;
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#endif
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light = &frontsector->lightlist[i];
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rlight = &dc_lightlist[p];
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|
|
@ -3006,8 +3134,6 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
|
|||
leftheight -= viewz;
|
||||
rightheight -= viewz;
|
||||
|
||||
#define CLAMPMAX INT32_MAX
|
||||
#define CLAMPMIN (-INT32_MAX) // This is not INT32_MIN on purpose! INT32_MIN makes the drawers freak out.
|
||||
// Monster Iestyn (25/03/18): do not skip these lights if they fail overflow test, just clamp them instead so they behave.
|
||||
overflow_test = (INT64)centeryfrac - (((INT64)leftheight*ds->scale1)>>FRACBITS);
|
||||
if (overflow_test > (INT64)CLAMPMAX) rlight->height = CLAMPMAX;
|
||||
|
|
@ -3104,6 +3230,130 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
|
|||
else
|
||||
walllights = scalelight[lightnum];
|
||||
}
|
||||
}
|
||||
|
||||
//
|
||||
// R_ThickStepping
|
||||
// Set stepping values for thick sides.
|
||||
//
|
||||
#ifdef ESLOPE
|
||||
static void R_ThickStepping(drawseg_t *ds, INT32 range)
|
||||
{
|
||||
fixed_t right_top, right_bottom;
|
||||
ffloor_t *pfloor = rw.pfloor;
|
||||
|
||||
// calculate right ends now
|
||||
if (*pfloor->t_slope)
|
||||
right_top = P_GetZAt(*pfloor->t_slope, ds->rightpos.x, ds->rightpos.y) - viewz;
|
||||
else
|
||||
right_top = *pfloor->topheight - viewz;
|
||||
|
||||
if (*pfloor->b_slope)
|
||||
right_bottom = P_GetZAt(*pfloor->b_slope, ds->rightpos.x, ds->rightpos.y) - viewz;
|
||||
else
|
||||
right_bottom = *pfloor->bottomheight - viewz;
|
||||
|
||||
// using INT64 to avoid 32bit overflow
|
||||
rw.top_frac = (INT64)centeryfrac - (((INT64)rw.left_top * ds->scale1) >> FRACBITS);
|
||||
rw.bottom_frac = (INT64)centeryfrac - (((INT64)rw.left_bottom * ds->scale1) >> FRACBITS);
|
||||
rw.top_step = (INT64)centeryfrac - (((INT64)right_top * ds->scale2) >> FRACBITS);
|
||||
rw.bottom_step = (INT64)centeryfrac - (((INT64)right_bottom * ds->scale2) >> FRACBITS);
|
||||
|
||||
rw.top_step = (rw.top_step-rw.top_frac)/(range);
|
||||
rw.bottom_step = (rw.bottom_step-rw.bottom_frac)/(range);
|
||||
|
||||
rw.top_frac += rw.top_step * (rw.x - ds->x1);
|
||||
rw.bottom_frac += rw.bottom_step * (rw.x - ds->x1);
|
||||
}
|
||||
#endif
|
||||
|
||||
//
|
||||
// R_RenderThickSideRange
|
||||
// Renders all the thick sides in the given range.
|
||||
//
|
||||
void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
|
||||
{
|
||||
INT32 texnum;
|
||||
|
||||
fixed_t offsetvalue = 0;
|
||||
#ifdef ESLOPE
|
||||
INT32 range;
|
||||
#endif
|
||||
#ifndef ESLOPE
|
||||
fixed_t lheight;
|
||||
#endif
|
||||
line_t *newline = NULL;
|
||||
#ifdef ESLOPE
|
||||
// skew FOF walls with slopes?
|
||||
boolean slopeskew = false;
|
||||
pslope_t *skewslope = NULL;
|
||||
#endif
|
||||
|
||||
rw.x = x1;
|
||||
rw.stopx = x2;
|
||||
rw.pfloor = pfloor;
|
||||
|
||||
// Calculate light table.
|
||||
// Use different light tables
|
||||
// for horizontal / vertical / diagonal. Diagonal?
|
||||
// OPTIMIZE: get rid of LIGHTSEGSHIFT globally
|
||||
|
||||
curline = ds->curline;
|
||||
backsector = pfloor->target;
|
||||
frontsector = curline->frontsector == pfloor->target ? curline->backsector : curline->frontsector;
|
||||
texnum = R_GetTextureNum(sides[pfloor->master->sidenum[0]].midtexture);
|
||||
|
||||
colfunc = colfuncs[BASEDRAWFUNC];
|
||||
|
||||
if (pfloor->master->flags & ML_TFERLINE)
|
||||
{
|
||||
size_t linenum = curline->linedef-backsector->lines[0];
|
||||
newline = pfloor->master->frontsector->lines[0] + linenum;
|
||||
texnum = R_GetTextureNum(sides[newline->sidenum[0]].midtexture);
|
||||
}
|
||||
|
||||
if (pfloor->flags & FF_TRANSLUCENT)
|
||||
{
|
||||
boolean fuzzy = true;
|
||||
|
||||
// Hacked up support for alpha value in software mode Tails 09-24-2002
|
||||
if (pfloor->alpha < 12)
|
||||
return; // Don't even draw it
|
||||
else if (pfloor->alpha < 38)
|
||||
dc_transmap = transtables + ((tr_trans90-1)<<FF_TRANSSHIFT);
|
||||
else if (pfloor->alpha < 64)
|
||||
dc_transmap = transtables + ((tr_trans80-1)<<FF_TRANSSHIFT);
|
||||
else if (pfloor->alpha < 89)
|
||||
dc_transmap = transtables + ((tr_trans70-1)<<FF_TRANSSHIFT);
|
||||
else if (pfloor->alpha < 115)
|
||||
dc_transmap = transtables + ((tr_trans60-1)<<FF_TRANSSHIFT);
|
||||
else if (pfloor->alpha < 140)
|
||||
dc_transmap = transtables + ((tr_trans50-1)<<FF_TRANSSHIFT);
|
||||
else if (pfloor->alpha < 166)
|
||||
dc_transmap = transtables + ((tr_trans40-1)<<FF_TRANSSHIFT);
|
||||
else if (pfloor->alpha < 192)
|
||||
dc_transmap = transtables + ((tr_trans30-1)<<FF_TRANSSHIFT);
|
||||
else if (pfloor->alpha < 217)
|
||||
dc_transmap = transtables + ((tr_trans20-1)<<FF_TRANSSHIFT);
|
||||
else if (pfloor->alpha < 243)
|
||||
dc_transmap = transtables + ((tr_trans10-1)<<FF_TRANSSHIFT);
|
||||
else
|
||||
fuzzy = false; // Opaque
|
||||
|
||||
if (fuzzy)
|
||||
colfunc = colfuncs[COLDRAWFUNC_FUZZY];
|
||||
}
|
||||
else if (pfloor->flags & FF_FOG)
|
||||
colfunc = colfuncs[COLDRAWFUNC_FOG];
|
||||
|
||||
#ifdef ESLOPE
|
||||
range = max(ds->x2-ds->x1, 1);
|
||||
#endif
|
||||
//SoM: Moved these up here so they are available for my lightlist calculations
|
||||
rw.scalestep = ds->scalestep;
|
||||
spryscale = ds->scale1 + (x1 - ds->x1)*rw.scalestep;
|
||||
|
||||
R_ThickLightLists(ds, range);
|
||||
|
||||
maskedtexturecol = ds->thicksidecol;
|
||||
|
||||
|
|
@ -3114,14 +3364,14 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
|
|||
#ifdef ESLOPE
|
||||
// calculate both left ends
|
||||
if (*pfloor->t_slope)
|
||||
left_top = P_GetZAt(*pfloor->t_slope, ds->leftpos.x, ds->leftpos.y) - viewz;
|
||||
rw.left_top = P_GetZAt(*pfloor->t_slope, ds->leftpos.x, ds->leftpos.y) - viewz;
|
||||
else
|
||||
left_top = *pfloor->topheight - viewz;
|
||||
rw.left_top = *pfloor->topheight - viewz;
|
||||
|
||||
if (*pfloor->b_slope)
|
||||
left_bottom = P_GetZAt(*pfloor->b_slope, ds->leftpos.x, ds->leftpos.y) - viewz;
|
||||
rw.left_bottom = P_GetZAt(*pfloor->b_slope, ds->leftpos.x, ds->leftpos.y) - viewz;
|
||||
else
|
||||
left_bottom = *pfloor->bottomheight - viewz;
|
||||
rw.left_bottom = *pfloor->bottomheight - viewz;
|
||||
skewslope = *pfloor->t_slope; // skew using top slope by default
|
||||
if (newline)
|
||||
{
|
||||
|
|
@ -3132,7 +3382,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
|
|||
slopeskew = true;
|
||||
|
||||
if (slopeskew)
|
||||
dc_texturemid = left_top;
|
||||
dc_texturemid = rw.left_top;
|
||||
else
|
||||
#endif
|
||||
dc_texturemid = *pfloor->topheight - viewz;
|
||||
|
|
@ -3145,7 +3395,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
|
|||
#ifdef ESLOPE
|
||||
skewslope = *pfloor->b_slope; // skew using bottom slope
|
||||
if (slopeskew)
|
||||
dc_texturemid = left_bottom;
|
||||
dc_texturemid = rw.left_bottom;
|
||||
else
|
||||
#endif
|
||||
offsetvalue -= *pfloor->topheight - *pfloor->bottomheight;
|
||||
|
|
@ -3159,7 +3409,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
|
|||
#ifdef ESLOPE
|
||||
skewslope = *pfloor->b_slope; // skew using bottom slope
|
||||
if (slopeskew)
|
||||
dc_texturemid = left_bottom;
|
||||
dc_texturemid = rw.left_bottom;
|
||||
else
|
||||
#endif
|
||||
offsetvalue -= *pfloor->topheight - *pfloor->bottomheight;
|
||||
|
|
@ -3172,7 +3422,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
|
|||
angle_t lineangle = R_PointToAngle2(curline->v1->x, curline->v1->y, curline->v2->x, curline->v2->y);
|
||||
|
||||
if (skewslope)
|
||||
ffloortextureslide = FixedMul(skewslope->zdelta, FINECOSINE((lineangle-skewslope->xydirection)>>ANGLETOFINESHIFT));
|
||||
rw.ffloortextureslide = FixedMul(skewslope->zdelta, FINECOSINE((lineangle-skewslope->xydirection)>>ANGLETOFINESHIFT));
|
||||
}
|
||||
#endif
|
||||
|
||||
|
|
@ -3187,236 +3437,26 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
|
|||
{
|
||||
if (textures[texnum]->flip & 2) // vertically flipped?
|
||||
{
|
||||
colfunc_2s = R_DrawRepeatFlippedMaskedColumn;
|
||||
column2s_length = textures[texnum]->height;
|
||||
rw.colfunc_2s = R_DrawRepeatFlippedMaskedColumn;
|
||||
rw.column2s_length = textures[texnum]->height;
|
||||
}
|
||||
else
|
||||
colfunc_2s = R_DrawRepeatMaskedColumn; // render the usual 2sided single-patch packed texture
|
||||
rw.colfunc_2s = R_DrawRepeatMaskedColumn; // render the usual 2sided single-patch packed texture
|
||||
}
|
||||
else
|
||||
{
|
||||
colfunc_2s = R_Render2sidedMultiPatchColumn; //render multipatch with no holes (no post_t info)
|
||||
column2s_length = textures[texnum]->height;
|
||||
rw.colfunc_2s = R_Render2sidedMultiPatchColumn; //render multipatch with no holes (no post_t info)
|
||||
rw.column2s_length = textures[texnum]->height;
|
||||
}
|
||||
|
||||
#ifdef ESLOPE
|
||||
// Set heights according to plane, or slope, whichever
|
||||
{
|
||||
fixed_t right_top, right_bottom;
|
||||
|
||||
// calculate right ends now
|
||||
if (*pfloor->t_slope)
|
||||
right_top = P_GetZAt(*pfloor->t_slope, ds->rightpos.x, ds->rightpos.y) - viewz;
|
||||
else
|
||||
right_top = *pfloor->topheight - viewz;
|
||||
|
||||
if (*pfloor->b_slope)
|
||||
right_bottom = P_GetZAt(*pfloor->b_slope, ds->rightpos.x, ds->rightpos.y) - viewz;
|
||||
else
|
||||
right_bottom = *pfloor->bottomheight - viewz;
|
||||
|
||||
// using INT64 to avoid 32bit overflow
|
||||
top_frac = (INT64)centeryfrac - (((INT64)left_top * ds->scale1) >> FRACBITS);
|
||||
bottom_frac = (INT64)centeryfrac - (((INT64)left_bottom * ds->scale1) >> FRACBITS);
|
||||
top_step = (INT64)centeryfrac - (((INT64)right_top * ds->scale2) >> FRACBITS);
|
||||
bottom_step = (INT64)centeryfrac - (((INT64)right_bottom * ds->scale2) >> FRACBITS);
|
||||
|
||||
top_step = (top_step-top_frac)/(range);
|
||||
bottom_step = (bottom_step-bottom_frac)/(range);
|
||||
|
||||
top_frac += top_step * (x1 - ds->x1);
|
||||
bottom_frac += bottom_step * (x1 - ds->x1);
|
||||
}
|
||||
R_ThickStepping(ds, range);
|
||||
#endif
|
||||
|
||||
// draw the columns
|
||||
for (dc_x = x1; dc_x <= x2; dc_x++)
|
||||
{
|
||||
if (maskedtexturecol[dc_x] != INT16_MAX)
|
||||
{
|
||||
#ifdef ESLOPE
|
||||
if (ffloortextureslide) { // skew FOF walls
|
||||
if (oldx != -1)
|
||||
dc_texturemid += FixedMul(ffloortextureslide, (maskedtexturecol[oldx]-maskedtexturecol[dc_x])<<FRACBITS);
|
||||
oldx = dc_x;
|
||||
}
|
||||
#endif
|
||||
// Calculate bounds
|
||||
// clamp the values if necessary to avoid overflows and rendering glitches caused by them
|
||||
|
||||
#ifdef ESLOPE
|
||||
if (top_frac > (INT64)CLAMPMAX) sprtopscreen = windowtop = CLAMPMAX;
|
||||
else if (top_frac > (INT64)CLAMPMIN) sprtopscreen = windowtop = (fixed_t)top_frac;
|
||||
else sprtopscreen = windowtop = CLAMPMIN;
|
||||
if (bottom_frac > (INT64)CLAMPMAX) sprbotscreen = windowbottom = CLAMPMAX;
|
||||
else if (bottom_frac > (INT64)CLAMPMIN) sprbotscreen = windowbottom = (fixed_t)bottom_frac;
|
||||
else sprbotscreen = windowbottom = CLAMPMIN;
|
||||
|
||||
top_frac += top_step;
|
||||
bottom_frac += bottom_step;
|
||||
#else
|
||||
sprtopscreen = windowtop = (centeryfrac - FixedMul((dc_texturemid - offsetvalue), spryscale));
|
||||
sprbotscreen = windowbottom = FixedMul(*pfloor->topheight - *pfloor->bottomheight, spryscale) + sprtopscreen;
|
||||
#endif
|
||||
|
||||
// SoM: If column is out of range, why bother with it??
|
||||
if (windowbottom < topbounds || windowtop > bottombounds)
|
||||
{
|
||||
if (dc_numlights)
|
||||
{
|
||||
for (i = 0; i < dc_numlights; i++)
|
||||
{
|
||||
rlight = &dc_lightlist[i];
|
||||
rlight->height += rlight->heightstep;
|
||||
if (rlight->flags & FF_CUTLEVEL)
|
||||
rlight->botheight += rlight->botheightstep;
|
||||
}
|
||||
}
|
||||
spryscale += rw.scalestep;
|
||||
continue;
|
||||
}
|
||||
|
||||
dc_iscale = 0xffffffffu / (unsigned)spryscale;
|
||||
|
||||
// Get data for the column
|
||||
col = (column_t *)((UINT8 *)R_GetColumn(texnum,maskedtexturecol[dc_x]) - 3);
|
||||
|
||||
// SoM: New code does not rely on R_DrawColumnShadowed_8 which
|
||||
// will (hopefully) put less strain on the stack.
|
||||
if (dc_numlights)
|
||||
{
|
||||
lighttable_t **xwalllights;
|
||||
fixed_t height;
|
||||
fixed_t bheight = 0;
|
||||
INT32 solid = 0;
|
||||
INT32 lighteffect = 0;
|
||||
|
||||
for (i = 0; i < dc_numlights; i++)
|
||||
{
|
||||
// Check if the current light effects the colormap/lightlevel
|
||||
rlight = &dc_lightlist[i];
|
||||
lighteffect = !(dc_lightlist[i].flags & FF_NOSHADE);
|
||||
if (lighteffect)
|
||||
{
|
||||
lightnum = rlight->lightnum;
|
||||
|
||||
if (lightnum < 0)
|
||||
xwalllights = scalelight[0];
|
||||
else if (lightnum >= LIGHTLEVELS)
|
||||
xwalllights = scalelight[LIGHTLEVELS-1];
|
||||
else
|
||||
xwalllights = scalelight[lightnum];
|
||||
|
||||
pindex = FixedMul(spryscale, FixedDiv(640, vid.width))>>LIGHTSCALESHIFT;
|
||||
|
||||
if (pindex >= MAXLIGHTSCALE)
|
||||
pindex = MAXLIGHTSCALE-1;
|
||||
|
||||
if (pfloor->flags & FF_FOG)
|
||||
{
|
||||
if (pfloor->master->frontsector->extra_colormap)
|
||||
rlight->rcolormap = pfloor->master->frontsector->extra_colormap->colormap + (xwalllights[pindex] - colormaps);
|
||||
else
|
||||
rlight->rcolormap = xwalllights[pindex];
|
||||
}
|
||||
else
|
||||
{
|
||||
if (rlight->extra_colormap)
|
||||
rlight->rcolormap = rlight->extra_colormap->colormap + (xwalllights[pindex] - colormaps);
|
||||
else
|
||||
rlight->rcolormap = xwalllights[pindex];
|
||||
}
|
||||
}
|
||||
|
||||
solid = 0; // don't carry over solid-cutting flag from the previous light
|
||||
|
||||
// Check if the current light can cut the current 3D floor.
|
||||
if (rlight->flags & FF_CUTSOLIDS && !(pfloor->flags & FF_EXTRA))
|
||||
solid = 1;
|
||||
else if (rlight->flags & FF_CUTEXTRA && pfloor->flags & FF_EXTRA)
|
||||
{
|
||||
if (rlight->flags & FF_EXTRA)
|
||||
{
|
||||
// The light is from an extra 3D floor... Check the flags so
|
||||
// there are no undesired cuts.
|
||||
if ((rlight->flags & (FF_FOG|FF_SWIMMABLE)) == (pfloor->flags & (FF_FOG|FF_SWIMMABLE)))
|
||||
solid = 1;
|
||||
}
|
||||
else
|
||||
solid = 1;
|
||||
}
|
||||
else
|
||||
solid = 0;
|
||||
|
||||
height = rlight->height;
|
||||
rlight->height += rlight->heightstep;
|
||||
|
||||
if (solid)
|
||||
{
|
||||
bheight = rlight->botheight - (FRACUNIT >> 1);
|
||||
rlight->botheight += rlight->botheightstep;
|
||||
}
|
||||
|
||||
if (height <= windowtop)
|
||||
{
|
||||
if (lighteffect)
|
||||
dc_colormap = rlight->rcolormap;
|
||||
if (solid && windowtop < bheight)
|
||||
windowtop = bheight;
|
||||
continue;
|
||||
}
|
||||
|
||||
windowbottom = height;
|
||||
if (windowbottom >= sprbotscreen)
|
||||
{
|
||||
windowbottom = sprbotscreen;
|
||||
// draw the texture
|
||||
colfunc_2s (col);
|
||||
for (i++; i < dc_numlights; i++)
|
||||
{
|
||||
rlight = &dc_lightlist[i];
|
||||
rlight->height += rlight->heightstep;
|
||||
if (rlight->flags & FF_CUTLEVEL)
|
||||
rlight->botheight += rlight->botheightstep;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
// draw the texture
|
||||
colfunc_2s (col);
|
||||
if (solid)
|
||||
windowtop = bheight;
|
||||
else
|
||||
windowtop = windowbottom + 1;
|
||||
if (lighteffect)
|
||||
dc_colormap = rlight->rcolormap;
|
||||
}
|
||||
windowbottom = sprbotscreen;
|
||||
// draw the texture, if there is any space left
|
||||
if (windowtop < windowbottom)
|
||||
colfunc_2s (col);
|
||||
|
||||
spryscale += rw.scalestep;
|
||||
continue;
|
||||
}
|
||||
|
||||
// calculate lighting
|
||||
pindex = FixedMul(spryscale, FixedDiv(640, vid.width))>>LIGHTSCALESHIFT;
|
||||
|
||||
if (pindex >= MAXLIGHTSCALE)
|
||||
pindex = MAXLIGHTSCALE - 1;
|
||||
|
||||
dc_colormap = walllights[pindex];
|
||||
|
||||
if (pfloor->flags & FF_FOG && pfloor->master->frontsector->extra_colormap)
|
||||
dc_colormap = pfloor->master->frontsector->extra_colormap->colormap + (dc_colormap - colormaps);
|
||||
else if (frontsector->extra_colormap)
|
||||
dc_colormap = frontsector->extra_colormap->colormap + (dc_colormap - colormaps);
|
||||
|
||||
// draw the texture
|
||||
colfunc_2s (col);
|
||||
spryscale += rw.scalestep;
|
||||
}
|
||||
}
|
||||
rw.texnum = texnum;
|
||||
R_RenderThickSegLoop();
|
||||
colfunc = colfuncs[BASEDRAWFUNC];
|
||||
|
||||
#undef CLAMPMAX
|
||||
|
|
|
|||
|
|
@ -109,6 +109,21 @@ typedef struct
|
|||
fixed_t distance;
|
||||
angle_t normalangle;
|
||||
angle_t angle1; // angle to line origin
|
||||
|
||||
// for masked segs and thick sides
|
||||
INT32 texnum;
|
||||
void (*colfunc_2s) (column_t *);
|
||||
INT32 column2s_length; // column->length : for multi-patch on 2sided wall = texture->height
|
||||
|
||||
// thick sides
|
||||
ffloor_t *pfloor;
|
||||
#ifdef ESLOPE
|
||||
// Render FOF sides kinda like normal sides, with the frac and step and everything
|
||||
// NOTE: INT64 instead of fixed_t because overflow concerns
|
||||
INT64 top_frac, top_step, bottom_frac, bottom_step;
|
||||
fixed_t ffloortextureslide;
|
||||
fixed_t left_top, left_bottom; // needed here for slope skewing
|
||||
#endif
|
||||
} renderwall_t;
|
||||
extern renderwall_t rw;
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue