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Support for patches and textures to be used in place of sector flats

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Still a work in progress.
This commit is contained in:
Jaime Passos 2019-05-21 00:28:52 -03:00
parent addf2bb3c4
commit 714c997aac
14 changed files with 841 additions and 535 deletions
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9
src/dehacked.c
View file

@ -2699,7 +2699,7 @@ static void readtexture(MYFILE *f, const char *name)
char *word;
char *word2;
char *tmp;
INT32 i, j, value;
INT32 i, value;
UINT16 width = 0, height = 0;
INT16 patchcount = 0;
texture_t *texture;
@ -2783,13 +2783,8 @@ static void readtexture(MYFILE *f, const char *name)
while (textures[i])
i++;
// Fill the global texture buffer entries.
j = 1;
while (j << 1 <= texture->width)
j <<= 1;
textures[i] = texture;
texturewidthmask[i] = j - 1;
texturewidth[i] = texture->width;
textureheight[i] = texture->height << FRACBITS;
// Clean up.

81
src/hardware/hw_cache.c
View file

@ -30,6 +30,7 @@
#include "../z_zone.h"
#include "../v_video.h"
#include "../r_draw.h"
#include "../p_setup.h"
//Hurdler: 25/04/2000: used for new colormap code in hardware mode
//static UINT8 *gr_colormap = NULL; // by default it must be NULL ! (because colormap tables are not initialized)
@ -551,11 +552,13 @@ void HWR_MakePatch (const patch_t *patch, GLPatch_t *grPatch, GLMipmap_t *grMipm
static size_t gr_numtextures;
static GLTexture_t *gr_textures; // for ALL Doom textures
static GLTexture_t *gr_textures2;
void HWR_InitTextureCache(void)
{
gr_numtextures = 0;
gr_textures = NULL;
gr_textures2 = NULL;
}
@ -594,7 +597,10 @@ void HWR_FreeTextureCache(void)
// texturecache info, we can free it
if (gr_textures)
free(gr_textures);
if (gr_textures2)
free(gr_textures2);
gr_textures = NULL;
gr_textures2 = NULL;
gr_numtextures = 0;
}
@ -612,6 +618,9 @@ void HWR_PrepLevelCache(size_t pnumtextures)
gr_textures = calloc(pnumtextures, sizeof (*gr_textures));
if (gr_textures == NULL)
I_Error("3D can't alloc gr_textures");
gr_textures2 = calloc(pnumtextures, sizeof (*gr_textures2));
if (gr_textures2 == NULL)
I_Error("3D can't alloc gr_textures2");
}
void HWR_SetPalette(RGBA_t *palette)
@ -642,7 +651,7 @@ GLTexture_t *HWR_GetTexture(INT32 tex)
GLTexture_t *grtex;
#ifdef PARANOIA
if ((unsigned)tex >= gr_numtextures)
I_Error(" HWR_GetTexture: tex >= numtextures\n");
I_Error("HWR_GetTexture: tex >= numtextures\n");
#endif
grtex = &gr_textures[tex];
@ -657,6 +666,35 @@ GLTexture_t *HWR_GetTexture(INT32 tex)
return grtex;
}
// Lactozilla
lumpnum_t gr_patchflat;
static void HWR_LoadPatchFlat(GLMipmap_t *grMipmap, lumpnum_t flatlumpnum)
{
patch_t *patch = (patch_t *)W_CacheLumpNum(flatlumpnum, PU_STATIC);
grMipmap->width = (UINT16)SHORT(patch->width);
grMipmap->height = (UINT16)SHORT(patch->height);
R_FlatPatch(patch, Z_Malloc(grMipmap->width * grMipmap->height, PU_HWRCACHE, &grMipmap->grInfo.data));
Z_Free(patch);
}
static void HWR_LoadTextureFlat(GLMipmap_t *grMipmap, INT32 texturenum)
{
// setup the texture info
grMipmap->grInfo.smallLodLog2 = GR_LOD_LOG2_64;
grMipmap->grInfo.largeLodLog2 = GR_LOD_LOG2_64;
grMipmap->grInfo.aspectRatioLog2 = GR_ASPECT_LOG2_1x1;
grMipmap->grInfo.format = GR_TEXFMT_P_8;
grMipmap->flags = TF_WRAPXY|TF_CHROMAKEYED;
grMipmap->width = (UINT16)textures[texturenum]->width;
grMipmap->height = (UINT16)textures[texturenum]->height;
R_FlatTexture(texturenum, Z_Malloc(grMipmap->width * grMipmap->height, PU_HWRCACHE, &grMipmap->grInfo.data));
}
static void HWR_CacheFlat(GLMipmap_t *grMipmap, lumpnum_t flatlumpnum)
{
@ -695,15 +733,20 @@ static void HWR_CacheFlat(GLMipmap_t *grMipmap, lumpnum_t flatlumpnum)
pflatsize = 64;
break;
}
grMipmap->width = (UINT16)pflatsize;
grMipmap->height = (UINT16)pflatsize;
// the flat raw data needn't be converted with palettized textures
W_ReadLump(flatlumpnum, Z_Malloc(W_LumpLength(flatlumpnum),
PU_HWRCACHE, &grMipmap->grInfo.data));
if (R_CheckIfPatch(flatlumpnum))
HWR_LoadPatchFlat(grMipmap, flatlumpnum);
else
{
grMipmap->width = (UINT16)pflatsize;
grMipmap->height = (UINT16)pflatsize;
// the flat raw data needn't be converted with palettized textures
W_ReadLump(flatlumpnum, Z_Malloc(W_LumpLength(flatlumpnum),
PU_HWRCACHE, &grMipmap->grInfo.data));
}
}
// Download a Doom 'flat' to the hardware cache and make it ready for use
void HWR_GetFlat(lumpnum_t flatlumpnum)
{
@ -718,6 +761,30 @@ void HWR_GetFlat(lumpnum_t flatlumpnum)
// The system-memory data can be purged now.
Z_ChangeTag(grmip->grInfo.data, PU_HWRCACHE_UNLOCKED);
gr_patchflat = 0;
if (R_CheckIfPatch(flatlumpnum))
gr_patchflat = flatlumpnum;
}
void HWR_GetTextureFlat(INT32 texturenum)
{
GLTexture_t *grtex;
#ifdef PARANOIA
if ((unsigned)texturenum >= gr_numtextures)
I_Error("HWR_GetTextureFlat: texturenum >= numtextures\n");
#endif
if (texturenum == 0 || texturenum == -1)
return;
grtex = &gr_textures2[texturenum];
if (!grtex->mipmap.grInfo.data && !grtex->mipmap.downloaded)
HWR_LoadTextureFlat(&grtex->mipmap, texturenum);
HWD.pfnSetTexture(&grtex->mipmap);
// The system-memory data can be purged now.
Z_ChangeTag(grtex->mipmap.grInfo.data, PU_HWRCACHE_UNLOCKED);
}
//

3
src/hardware/hw_glob.h
View file

@ -101,6 +101,7 @@ void HWR_FreeTextureCache(void);
void HWR_FreeExtraSubsectors(void);
void HWR_GetFlat(lumpnum_t flatlumpnum);
void HWR_GetTextureFlat(INT32 texturenum);
GLTexture_t *HWR_GetTexture(INT32 tex);
void HWR_GetPatch(GLPatch_t *gpatch);
void HWR_GetMappedPatch(GLPatch_t *gpatch, const UINT8 *colormap);
@ -114,6 +115,8 @@ void HWR_GetFadeMask(lumpnum_t fademasklumpnum);
// --------
// hw_draw.c
// --------
extern lumpnum_t gr_patchflat;
extern float gr_patch_scalex;
extern float gr_patch_scaley;

178
src/hardware/hw_main.c
View file

@ -70,9 +70,9 @@ static void HWR_ProjectPrecipitationSprite(precipmobj_t *thing);
#endif
#ifdef SORTING
void HWR_AddTransparentFloor(lumpnum_t lumpnum, extrasubsector_t *xsub, boolean isceiling, fixed_t fixedheight,
void HWR_AddTransparentFloor(lumpnum_t lumpnum, INT32 texturenum, extrasubsector_t *xsub, boolean isceiling, fixed_t fixedheight,
INT32 lightlevel, INT32 alpha, sector_t *FOFSector, FBITFIELD blend, boolean fogplane, extracolormap_t *planecolormap);
void HWR_AddTransparentPolyobjectFloor(lumpnum_t lumpnum, polyobj_t *polysector, boolean isceiling, fixed_t fixedheight,
void HWR_AddTransparentPolyobjectFloor(lumpnum_t lumpnum, INT32 texturenum, polyobj_t *polysector, boolean isceiling, fixed_t fixedheight,
INT32 lightlevel, INT32 alpha, sector_t *FOFSector, FBITFIELD blend, extracolormap_t *planecolormap);
#else
static void HWR_Add3DWater(lumpnum_t lumpnum, extrasubsector_t *xsub, fixed_t fixedheight,
@ -522,7 +522,7 @@ static UINT8 HWR_FogBlockAlpha(INT32 light, UINT32 color) // Let's see if this c
// HWR_RenderPlane : Render a floor or ceiling convex polygon
// -----------------+
static void HWR_RenderPlane(sector_t *sector, extrasubsector_t *xsub, boolean isceiling, fixed_t fixedheight,
FBITFIELD PolyFlags, INT32 lightlevel, lumpnum_t lumpnum, sector_t *FOFsector, UINT8 alpha, boolean fogplane, extracolormap_t *planecolormap)
FBITFIELD PolyFlags, INT32 lightlevel, lumpnum_t lumpnum, INT32 texturenum, sector_t *FOFsector, UINT8 alpha, boolean fogplane, extracolormap_t *planecolormap)
{
polyvertex_t * pv;
float height; //constant y for all points on the convex flat polygon
@ -530,8 +530,7 @@ static void HWR_RenderPlane(sector_t *sector, extrasubsector_t *xsub, boolean is
INT32 nrPlaneVerts; //verts original define of convex flat polygon
INT32 i;
float flatxref,flatyref;
float fflatsize;
INT32 flatflag;
float fflatwidth, fflatheight;
size_t len;
float scrollx = 0.0f, scrolly = 0.0f;
angle_t angle = 0;
@ -540,6 +539,7 @@ static void HWR_RenderPlane(sector_t *sector, extrasubsector_t *xsub, boolean is
#ifdef ESLOPE
pslope_t *slope = NULL;
#endif
patch_t *patch;
static FOutVector *planeVerts = NULL;
static UINT16 numAllocedPlaneVerts = 0;
@ -599,38 +599,44 @@ static void HWR_RenderPlane(sector_t *sector, extrasubsector_t *xsub, boolean is
switch (len)
{
case 4194304: // 2048x2048 lump
fflatsize = 2048.0f;
flatflag = 2047;
fflatwidth = fflatheight = 2048.0f;
break;
case 1048576: // 1024x1024 lump
fflatsize = 1024.0f;
flatflag = 1023;
fflatwidth = fflatheight = 1024.0f;
break;
case 262144:// 512x512 lump
fflatsize = 512.0f;
flatflag = 511;
fflatwidth = fflatheight = 512.0f;
break;
case 65536: // 256x256 lump
fflatsize = 256.0f;
flatflag = 255;
fflatwidth = fflatheight = 256.0f;
break;
case 16384: // 128x128 lump
fflatsize = 128.0f;
flatflag = 127;
fflatwidth = fflatheight = 128.0f;
break;
case 1024: // 32x32 lump
fflatsize = 32.0f;
flatflag = 31;
fflatwidth = fflatheight = 32.0f;
break;
default: // 64x64 lump
fflatsize = 64.0f;
flatflag = 63;
fflatwidth = fflatheight = 64.0f;
break;
}
if (gr_patchflat && R_CheckIfPatch(gr_patchflat)) // Just in case?
{
patch = (patch_t *)W_CacheLumpNum(gr_patchflat, PU_STATIC);
fflatwidth = patch->width;
fflatheight = patch->height;
}
if (texturenum != 0 && texturenum != -1)
{
fflatwidth = textures[texturenum]->width;
fflatheight = textures[texturenum]->height;
}
// reference point for flat texture coord for each vertex around the polygon
flatxref = (float)(((fixed_t)pv->x & (~flatflag)) / fflatsize);
flatyref = (float)(((fixed_t)pv->y & (~flatflag)) / fflatsize);
flatxref = (float)((FLOAT_TO_FIXED(pv->x) % llrint(fflatwidth)) / fflatwidth);
flatyref = (float)((FLOAT_TO_FIXED(pv->y) % llrint(fflatheight)) / fflatheight);
// transform
v3d = planeVerts;
@ -639,14 +645,14 @@ static void HWR_RenderPlane(sector_t *sector, extrasubsector_t *xsub, boolean is
{
if (!isceiling) // it's a floor
{
scrollx = FIXED_TO_FLOAT(FOFsector->floor_xoffs)/fflatsize;
scrolly = FIXED_TO_FLOAT(FOFsector->floor_yoffs)/fflatsize;
scrollx = FIXED_TO_FLOAT(FOFsector->floor_xoffs)/fflatwidth;
scrolly = FIXED_TO_FLOAT(FOFsector->floor_yoffs)/fflatheight;
angle = FOFsector->floorpic_angle>>ANGLETOFINESHIFT;
}
else // it's a ceiling
{
scrollx = FIXED_TO_FLOAT(FOFsector->ceiling_xoffs)/fflatsize;
scrolly = FIXED_TO_FLOAT(FOFsector->ceiling_yoffs)/fflatsize;
scrollx = FIXED_TO_FLOAT(FOFsector->ceiling_xoffs)/fflatwidth;
scrolly = FIXED_TO_FLOAT(FOFsector->ceiling_yoffs)/fflatheight;
angle = FOFsector->ceilingpic_angle>>ANGLETOFINESHIFT;
}
}
@ -654,14 +660,14 @@ static void HWR_RenderPlane(sector_t *sector, extrasubsector_t *xsub, boolean is
{
if (!isceiling) // it's a floor
{
scrollx = FIXED_TO_FLOAT(gr_frontsector->floor_xoffs)/fflatsize;
scrolly = FIXED_TO_FLOAT(gr_frontsector->floor_yoffs)/fflatsize;
scrollx = FIXED_TO_FLOAT(gr_frontsector->floor_xoffs)/fflatwidth;
scrolly = FIXED_TO_FLOAT(gr_frontsector->floor_yoffs)/fflatheight;
angle = gr_frontsector->floorpic_angle>>ANGLETOFINESHIFT;
}
else // it's a ceiling
{
scrollx = FIXED_TO_FLOAT(gr_frontsector->ceiling_xoffs)/fflatsize;
scrolly = FIXED_TO_FLOAT(gr_frontsector->ceiling_yoffs)/fflatsize;
scrollx = FIXED_TO_FLOAT(gr_frontsector->ceiling_xoffs)/fflatwidth;
scrolly = FIXED_TO_FLOAT(gr_frontsector->ceiling_yoffs)/fflatheight;
angle = gr_frontsector->ceilingpic_angle>>ANGLETOFINESHIFT;
}
}
@ -686,8 +692,8 @@ static void HWR_RenderPlane(sector_t *sector, extrasubsector_t *xsub, boolean is
for (i = 0; i < nrPlaneVerts; i++,v3d++,pv++)
{
// Hurdler: add scrolling texture on floor/ceiling
v3d->sow = (float)((pv->x / fflatsize) - flatxref + scrollx);
v3d->tow = (float)(flatyref - (pv->y / fflatsize) + scrolly);
v3d->sow = (float)((pv->x / fflatwidth) - flatxref + scrollx);
v3d->tow = (float)(flatyref - (pv->y / fflatheight) + scrolly);
//v3d->sow = (float)(pv->x / fflatsize);
//v3d->tow = (float)(pv->y / fflatsize);
@ -3145,21 +3151,21 @@ static inline void HWR_AddPolyObjectSegs(void)
#ifdef POLYOBJECTS_PLANES
static void HWR_RenderPolyObjectPlane(polyobj_t *polysector, boolean isceiling, fixed_t fixedheight,
FBITFIELD blendmode, UINT8 lightlevel, lumpnum_t lumpnum, sector_t *FOFsector,
FBITFIELD blendmode, UINT8 lightlevel, lumpnum_t lumpnum, INT32 texturenum, sector_t *FOFsector,
UINT8 alpha, extracolormap_t *planecolormap)
{
float height; //constant y for all points on the convex flat polygon
FOutVector *v3d;
INT32 i;
float flatxref,flatyref;
float fflatsize;
INT32 flatflag;
float fflatwidth, fflatheight;
size_t len;
float scrollx = 0.0f, scrolly = 0.0f;
angle_t angle = 0;
FSurfaceInfo Surf;
fixed_t tempxsow, tempytow;
size_t nrPlaneVerts;
patch_t *patch;
static FOutVector *planeVerts = NULL;
static UINT16 numAllocedPlaneVerts = 0;
@ -3190,38 +3196,44 @@ static void HWR_RenderPolyObjectPlane(polyobj_t *polysector, boolean isceiling,
switch (len)
{
case 4194304: // 2048x2048 lump
fflatsize = 2048.0f;
flatflag = 2047;
fflatwidth = fflatheight = 2048.0f;
break;
case 1048576: // 1024x1024 lump
fflatsize = 1024.0f;
flatflag = 1023;
fflatwidth = fflatheight = 1024.0f;
break;
case 262144:// 512x512 lump
fflatsize = 512.0f;
flatflag = 511;
fflatwidth = fflatheight = 512.0f;
break;
case 65536: // 256x256 lump
fflatsize = 256.0f;
flatflag = 255;
fflatwidth = fflatheight = 256.0f;
break;
case 16384: // 128x128 lump
fflatsize = 128.0f;
flatflag = 127;
fflatwidth = fflatheight = 128.0f;
break;
case 1024: // 32x32 lump
fflatsize = 32.0f;
flatflag = 31;
fflatwidth = fflatheight = 32.0f;
break;
default: // 64x64 lump
fflatsize = 64.0f;
flatflag = 63;
fflatwidth = fflatheight = 64.0f;
break;
}
if (gr_patchflat && R_CheckIfPatch(gr_patchflat)) // Just in case?
{
patch = (patch_t *)W_CacheLumpNum(gr_patchflat, PU_STATIC);
fflatwidth = patch->width;
fflatheight = patch->height;
}
if (texturenum != 0 && texturenum != -1)
{
fflatwidth = textures[texturenum]->width;
fflatheight = textures[texturenum]->height;
}
// reference point for flat texture coord for each vertex around the polygon
flatxref = (float)(((fixed_t)FIXED_TO_FLOAT(polysector->origVerts[0].x) & (~flatflag)) / fflatsize);
flatyref = (float)(((fixed_t)FIXED_TO_FLOAT(polysector->origVerts[0].y) & (~flatflag)) / fflatsize);
flatxref = (float)((polysector->origVerts[0].x % llrint(fflatwidth)) / fflatwidth);
flatyref = (float)((polysector->origVerts[0].y % llrint(fflatheight)) / fflatheight);
// transform
v3d = planeVerts;
@ -3230,14 +3242,14 @@ static void HWR_RenderPolyObjectPlane(polyobj_t *polysector, boolean isceiling,
{
if (!isceiling) // it's a floor
{
scrollx = FIXED_TO_FLOAT(FOFsector->floor_xoffs)/fflatsize;
scrolly = FIXED_TO_FLOAT(FOFsector->floor_yoffs)/fflatsize;
scrollx = FIXED_TO_FLOAT(FOFsector->floor_xoffs)/fflatwidth;
scrolly = FIXED_TO_FLOAT(FOFsector->floor_yoffs)/fflatheight;
angle = FOFsector->floorpic_angle>>ANGLETOFINESHIFT;
}
else // it's a ceiling
{
scrollx = FIXED_TO_FLOAT(FOFsector->ceiling_xoffs)/fflatsize;
scrolly = FIXED_TO_FLOAT(FOFsector->ceiling_yoffs)/fflatsize;
scrollx = FIXED_TO_FLOAT(FOFsector->ceiling_xoffs)/fflatwidth;
scrolly = FIXED_TO_FLOAT(FOFsector->ceiling_yoffs)/fflatheight;
angle = FOFsector->ceilingpic_angle>>ANGLETOFINESHIFT;
}
}
@ -3245,14 +3257,14 @@ static void HWR_RenderPolyObjectPlane(polyobj_t *polysector, boolean isceiling,
{
if (!isceiling) // it's a floor
{
scrollx = FIXED_TO_FLOAT(gr_frontsector->floor_xoffs)/fflatsize;
scrolly = FIXED_TO_FLOAT(gr_frontsector->floor_yoffs)/fflatsize;
scrollx = FIXED_TO_FLOAT(gr_frontsector->floor_xoffs)/fflatwidth;
scrolly = FIXED_TO_FLOAT(gr_frontsector->floor_yoffs)/fflatheight;
angle = gr_frontsector->floorpic_angle>>ANGLETOFINESHIFT;
}
else // it's a ceiling
{
scrollx = FIXED_TO_FLOAT(gr_frontsector->ceiling_xoffs)/fflatsize;
scrolly = FIXED_TO_FLOAT(gr_frontsector->ceiling_yoffs)/fflatsize;
scrollx = FIXED_TO_FLOAT(gr_frontsector->ceiling_xoffs)/fflatwidth;
scrolly = FIXED_TO_FLOAT(gr_frontsector->ceiling_yoffs)/fflatheight;
angle = gr_frontsector->ceilingpic_angle>>ANGLETOFINESHIFT;
}
}
@ -3276,8 +3288,8 @@ static void HWR_RenderPolyObjectPlane(polyobj_t *polysector, boolean isceiling,
for (i = 0; i < (INT32)nrPlaneVerts; i++,v3d++)
{
// Hurdler: add scrolling texture on floor/ceiling
v3d->sow = (float)((FIXED_TO_FLOAT(polysector->origVerts[i].x) / fflatsize) - flatxref + scrollx); // Go from the polysector's original vertex locations
v3d->tow = (float)(flatyref - (FIXED_TO_FLOAT(polysector->origVerts[i].y) / fflatsize) + scrolly); // Means the flat is offset based on the original vertex locations
v3d->sow = (float)((FIXED_TO_FLOAT(polysector->origVerts[i].x) / fflatwidth) - flatxref + scrollx); // Go from the polysector's original vertex locations
v3d->tow = (float)(flatyref - (FIXED_TO_FLOAT(polysector->origVerts[i].y) / fflatheight) + scrolly); // Means the flat is offset based on the original vertex locations
// Need to rotate before translate
if (angle) // Only needs to be done if there's an altered angle
@ -3336,14 +3348,15 @@ static void HWR_AddPolyObjectPlanes(void)
{
FSurfaceInfo Surf;
FBITFIELD blendmode = HWR_TranstableToAlpha(po_ptrs[i]->translucency, &Surf);
HWR_AddTransparentPolyobjectFloor(levelflats[polyobjsector->floorpic].lumpnum, po_ptrs[i], false, polyobjsector->floorheight,
HWR_AddTransparentPolyobjectFloor(levelflats[polyobjsector->floorpic].lumpnum, levelflats[polyobjsector->floorpic].texturenum, po_ptrs[i], false, polyobjsector->floorheight,
polyobjsector->lightlevel, Surf.FlatColor.s.alpha, polyobjsector, blendmode, NULL);
}
else
{
HWR_GetFlat(levelflats[polyobjsector->floorpic].lumpnum);
HWR_GetTextureFlat(levelflats[polyobjsector->floorpic].texturenum);
HWR_RenderPolyObjectPlane(po_ptrs[i], false, polyobjsector->floorheight, PF_Occlude,
polyobjsector->lightlevel, levelflats[polyobjsector->floorpic].lumpnum,
polyobjsector->lightlevel, levelflats[polyobjsector->floorpic].lumpnum, levelflats[polyobjsector->floorpic].texturenum,
polyobjsector, 255, NULL);
}
}
@ -3358,14 +3371,15 @@ static void HWR_AddPolyObjectPlanes(void)
FBITFIELD blendmode;
memset(&Surf, 0x00, sizeof(Surf));
blendmode = HWR_TranstableToAlpha(po_ptrs[i]->translucency, &Surf);
HWR_AddTransparentPolyobjectFloor(levelflats[polyobjsector->ceilingpic].lumpnum, po_ptrs[i], true, polyobjsector->ceilingheight,
HWR_AddTransparentPolyobjectFloor(levelflats[polyobjsector->ceilingpic].lumpnum, levelflats[polyobjsector->ceilingpic].texturenum, po_ptrs[i], true, polyobjsector->ceilingheight,
polyobjsector->lightlevel, Surf.FlatColor.s.alpha, polyobjsector, blendmode, NULL);
}
else
{
HWR_GetFlat(levelflats[polyobjsector->ceilingpic].lumpnum);
HWR_GetTextureFlat(levelflats[polyobjsector->ceilingpic].texturenum);
HWR_RenderPolyObjectPlane(po_ptrs[i], true, polyobjsector->ceilingheight, PF_Occlude,
polyobjsector->lightlevel, levelflats[polyobjsector->floorpic].lumpnum,
polyobjsector->lightlevel, levelflats[polyobjsector->floorpic].lumpnum, levelflats[polyobjsector->floorpic].texturenum,
polyobjsector, 255, NULL);
}
}
@ -3517,11 +3531,12 @@ static void HWR_Subsector(size_t num)
if (sub->validcount != validcount)
{
HWR_GetFlat(levelflats[gr_frontsector->floorpic].lumpnum);
HWR_GetTextureFlat(levelflats[gr_frontsector->floorpic].texturenum);
HWR_RenderPlane(gr_frontsector, &extrasubsectors[num], false,
// Hack to make things continue to work around slopes.
locFloorHeight == cullFloorHeight ? locFloorHeight : gr_frontsector->floorheight,
// We now return you to your regularly scheduled rendering.
PF_Occlude, floorlightlevel, levelflats[gr_frontsector->floorpic].lumpnum, NULL, 255, false, floorcolormap);
PF_Occlude, floorlightlevel, levelflats[gr_frontsector->floorpic].lumpnum, levelflats[gr_frontsector->floorpic].texturenum, NULL, 255, false, floorcolormap);
}
}
else
@ -3539,11 +3554,12 @@ static void HWR_Subsector(size_t num)
if (sub->validcount != validcount)
{
HWR_GetFlat(levelflats[gr_frontsector->ceilingpic].lumpnum);
HWR_GetTextureFlat(levelflats[gr_frontsector->ceilingpic].texturenum);
HWR_RenderPlane(NULL, &extrasubsectors[num], true,
// Hack to make things continue to work around slopes.
locCeilingHeight == cullCeilingHeight ? locCeilingHeight : gr_frontsector->ceilingheight,
// We now return you to your regularly scheduled rendering.
PF_Occlude, ceilinglightlevel, levelflats[gr_frontsector->ceilingpic].lumpnum,NULL, 255, false, ceilingcolormap);
PF_Occlude, ceilinglightlevel, levelflats[gr_frontsector->ceilingpic].lumpnum, levelflats[gr_frontsector->ceilingpic].texturenum, NULL, 255, false, ceilingcolormap);
}
}
else
@ -3602,7 +3618,7 @@ static void HWR_Subsector(size_t num)
else
alpha = HWR_FogBlockAlpha(*gr_frontsector->lightlist[light].lightlevel, NORMALFOG);
HWR_AddTransparentFloor(0,
HWR_AddTransparentFloor(0, 0,
&extrasubsectors[num],
false,
*rover->bottomheight,
@ -3621,6 +3637,7 @@ static void HWR_Subsector(size_t num)
rover->alpha-1, rover->master->frontsector);
#else
HWR_AddTransparentFloor(levelflats[*rover->bottompic].lumpnum,
levelflats[*rover->bottompic].texturenum,
&extrasubsectors[num],
false,
*rover->bottomheight,
@ -3632,8 +3649,9 @@ static void HWR_Subsector(size_t num)
else
{
HWR_GetFlat(levelflats[*rover->bottompic].lumpnum);
HWR_GetTextureFlat(levelflats[*rover->bottompic].texturenum);
light = R_GetPlaneLight(gr_frontsector, centerHeight, dup_viewz < cullHeight ? true : false);
HWR_RenderPlane(NULL, &extrasubsectors[num], false, *rover->bottomheight, PF_Occlude, *gr_frontsector->lightlist[light].lightlevel, levelflats[*rover->bottompic].lumpnum,
HWR_RenderPlane(NULL, &extrasubsectors[num], false, *rover->bottomheight, PF_Occlude, *gr_frontsector->lightlist[light].lightlevel, levelflats[*rover->bottompic].lumpnum, levelflats[*rover->bottompic].texturenum,
rover->master->frontsector, 255, false, gr_frontsector->lightlist[light].extra_colormap);
}
}
@ -3665,7 +3683,7 @@ static void HWR_Subsector(size_t num)
else
alpha = HWR_FogBlockAlpha(*gr_frontsector->lightlist[light].lightlevel, NORMALFOG);
HWR_AddTransparentFloor(0,
HWR_AddTransparentFloor(0, 0,
&extrasubsectors[num],
true,
*rover->topheight,
@ -3684,6 +3702,7 @@ static void HWR_Subsector(size_t num)
rover->alpha-1, rover->master->frontsector);
#else
HWR_AddTransparentFloor(levelflats[*rover->toppic].lumpnum,
levelflats[*rover->bottompic].texturenum,
&extrasubsectors[num],
true,
*rover->topheight,
@ -3696,8 +3715,9 @@ static void HWR_Subsector(size_t num)
else
{
HWR_GetFlat(levelflats[*rover->toppic].lumpnum);
HWR_GetTextureFlat(levelflats[*rover->toppic].texturenum);
light = R_GetPlaneLight(gr_frontsector, centerHeight, dup_viewz < cullHeight ? true : false);
HWR_RenderPlane(NULL, &extrasubsectors[num], true, *rover->topheight, PF_Occlude, *gr_frontsector->lightlist[light].lightlevel, levelflats[*rover->toppic].lumpnum,
HWR_RenderPlane(NULL, &extrasubsectors[num], true, *rover->topheight, PF_Occlude, *gr_frontsector->lightlist[light].lightlevel, levelflats[*rover->toppic].lumpnum, levelflats[*rover->toppic].texturenum,
rover->master->frontsector, 255, false, gr_frontsector->lightlist[light].extra_colormap);
}
}
@ -5021,6 +5041,7 @@ typedef struct
fixed_t fixedheight;
INT32 lightlevel;
lumpnum_t lumpnum;
INT32 texturenum;
INT32 alpha;
sector_t *FOFSector;
FBITFIELD blend;
@ -5039,6 +5060,7 @@ typedef struct
fixed_t fixedheight;
INT32 lightlevel;
lumpnum_t lumpnum;
INT32 texturenum;
INT32 alpha;
sector_t *FOFSector;
FBITFIELD blend;
@ -5071,7 +5093,7 @@ static INT32 drawcount = 0;
#define MAX_TRANSPARENTFLOOR 512
// This will likely turn into a copy of HWR_Add3DWater and replace it.
void HWR_AddTransparentFloor(lumpnum_t lumpnum, extrasubsector_t *xsub, boolean isceiling,
void HWR_AddTransparentFloor(lumpnum_t lumpnum, INT32 texturenum, extrasubsector_t *xsub, boolean isceiling,
fixed_t fixedheight, INT32 lightlevel, INT32 alpha, sector_t *FOFSector, FBITFIELD blend, boolean fogplane, extracolormap_t *planecolormap)
{
static size_t allocedplanes = 0;
@ -5090,6 +5112,7 @@ void HWR_AddTransparentFloor(lumpnum_t lumpnum, extrasubsector_t *xsub, boolean
planeinfo[numplanes].fixedheight = fixedheight;
planeinfo[numplanes].lightlevel = lightlevel;
planeinfo[numplanes].lumpnum = lumpnum;
planeinfo[numplanes].texturenum = texturenum;
planeinfo[numplanes].xsub = xsub;
planeinfo[numplanes].alpha = alpha;
planeinfo[numplanes].FOFSector = FOFSector;
@ -5103,7 +5126,7 @@ void HWR_AddTransparentFloor(lumpnum_t lumpnum, extrasubsector_t *xsub, boolean
// Adding this for now until I can create extrasubsector info for polyobjects
// When that happens it'll just be done through HWR_AddTransparentFloor and HWR_RenderPlane
void HWR_AddTransparentPolyobjectFloor(lumpnum_t lumpnum, polyobj_t *polysector, boolean isceiling,
void HWR_AddTransparentPolyobjectFloor(lumpnum_t lumpnum, INT32 texturenum, polyobj_t *polysector, boolean isceiling,
fixed_t fixedheight, INT32 lightlevel, INT32 alpha, sector_t *FOFSector, FBITFIELD blend, extracolormap_t *planecolormap)
{
static size_t allocedpolyplanes = 0;
@ -5122,6 +5145,7 @@ void HWR_AddTransparentPolyobjectFloor(lumpnum_t lumpnum, polyobj_t *polysector,
polyplaneinfo[numpolyplanes].fixedheight = fixedheight;
polyplaneinfo[numpolyplanes].lightlevel = lightlevel;
polyplaneinfo[numpolyplanes].lumpnum = lumpnum;
polyplaneinfo[numpolyplanes].texturenum = texturenum;
polyplaneinfo[numpolyplanes].polysector = polysector;
polyplaneinfo[numpolyplanes].alpha = alpha;
polyplaneinfo[numpolyplanes].FOFSector = FOFSector;
@ -5283,9 +5307,12 @@ static void HWR_CreateDrawNodes(void)
gr_frontsector = NULL;
if (!(sortnode[sortindex[i]].plane->blend & PF_NoTexture))
{
HWR_GetFlat(sortnode[sortindex[i]].plane->lumpnum);
HWR_GetTextureFlat(sortnode[sortindex[i]].plane->texturenum);
}
HWR_RenderPlane(NULL, sortnode[sortindex[i]].plane->xsub, sortnode[sortindex[i]].plane->isceiling, sortnode[sortindex[i]].plane->fixedheight, sortnode[sortindex[i]].plane->blend, sortnode[sortindex[i]].plane->lightlevel,
sortnode[sortindex[i]].plane->lumpnum, sortnode[sortindex[i]].plane->FOFSector, sortnode[sortindex[i]].plane->alpha, sortnode[sortindex[i]].plane->fogplane, sortnode[sortindex[i]].plane->planecolormap);
sortnode[sortindex[i]].plane->lumpnum, sortnode[sortindex[i]].plane->texturenum, sortnode[sortindex[i]].plane->FOFSector, sortnode[sortindex[i]].plane->alpha, sortnode[sortindex[i]].plane->fogplane, sortnode[sortindex[i]].plane->planecolormap);
}
else if (sortnode[sortindex[i]].polyplane)
{
@ -5293,9 +5320,12 @@ static void HWR_CreateDrawNodes(void)
gr_frontsector = NULL;
if (!(sortnode[sortindex[i]].polyplane->blend & PF_NoTexture))
{
HWR_GetFlat(sortnode[sortindex[i]].polyplane->lumpnum);
HWR_GetTextureFlat(sortnode[sortindex[i]].polyplane->texturenum);
}
HWR_RenderPolyObjectPlane(sortnode[sortindex[i]].polyplane->polysector, sortnode[sortindex[i]].polyplane->isceiling, sortnode[sortindex[i]].polyplane->fixedheight, sortnode[sortindex[i]].polyplane->blend, sortnode[sortindex[i]].polyplane->lightlevel,
sortnode[sortindex[i]].polyplane->lumpnum, sortnode[sortindex[i]].polyplane->FOFSector, sortnode[sortindex[i]].polyplane->alpha, sortnode[sortindex[i]].polyplane->planecolormap);
sortnode[sortindex[i]].polyplane->lumpnum, sortnode[sortindex[i]].polyplane->texturenum, sortnode[sortindex[i]].polyplane->FOFSector, sortnode[sortindex[i]].polyplane->alpha, sortnode[sortindex[i]].polyplane->planecolormap);
}
else if (sortnode[sortindex[i]].wall)
{

4
src/p_setup.c
View file

@ -564,6 +564,8 @@ INT32 P_AddLevelFlat(const char *flatname, levelflat_t *levelflat)
// store the flat lump number
levelflat->lumpnum = R_GetFlatNumForName(flatname);
// Lactozilla
levelflat->texturenum = R_CheckTextureNumForName(flatname);
#ifndef ZDEBUG
CONS_Debug(DBG_SETUP, "flat #%03d: %s\n", atoi(sizeu1(numlevelflats)), levelflat->name);
@ -608,6 +610,8 @@ INT32 P_AddLevelFlatRuntime(const char *flatname)
// store the flat lump number
levelflat->lumpnum = R_GetFlatNumForName(flatname);
// Lactozilla
levelflat->texturenum = R_CheckTextureNumForName(flatname);
#ifndef ZDEBUG
CONS_Debug(DBG_SETUP, "flat #%03d: %s\n", atoi(sizeu1(numlevelflats)), levelflat->name);

11
src/p_setup.h
View file

@ -42,6 +42,17 @@ typedef struct
INT32 animseq; // start pos. in the anim sequence
INT32 numpics;
INT32 speed;
// Lactozilla
UINT8 *flatpatch;
UINT16 width, height;
fixed_t topoffset, leftoffset;
size_t texturenum;
#ifdef ESLOPE
UINT8 *resizedflat;
UINT16 resizedwidth, resizedheight;
#endif
} levelflat_t;
extern size_t numlevelflats;

4
src/p_spec.c
View file

@ -322,8 +322,8 @@ void P_InitPicAnims(void)
if ((W_CheckNumForName(animdefs[i].startname)) == LUMPERROR)
continue;
lastanim->picnum = R_FlatNumForName(animdefs[i].endname);
lastanim->basepic = R_FlatNumForName(animdefs[i].startname);
lastanim->picnum = R_GetFlatNumForName(animdefs[i].endname);
lastanim->basepic = R_GetFlatNumForName(animdefs[i].startname);
}
lastanim->istexture = animdefs[i].istexture;

204
src/r_data.c
View file

@ -101,9 +101,7 @@ texture_t **textures = NULL;
static UINT32 **texturecolumnofs; // column offset lookup table for each texture
static UINT8 **texturecache; // graphics data for each generated full-size texture
// texture width is a power of 2, so it can easily repeat along sidedefs using a simple mask
INT32 *texturewidthmask;
INT32 *texturewidth;
fixed_t *textureheight; // needed for texture pegging
INT32 *texturetranslation;
@ -335,10 +333,14 @@ void R_CheckTextureCache(INT32 tex)
UINT8 *R_GetColumn(fixed_t tex, INT32 col)
{
UINT8 *data;
INT32 width = texturewidth[tex];
if (width & (width - 1))
col = (UINT32)col % width;
else
col &= (width - 1);
col &= texturewidthmask[tex];
data = texturecache[tex];
if (!data)
data = R_GenerateTexture(tex);
@ -376,7 +378,7 @@ void R_ParseTEXTURESLump(UINT16 wadNum, UINT16 lumpNum, INT32 *index);
#define TX_END "TX_END"
void R_LoadTextures(void)
{
INT32 i, k, w;
INT32 i, w;
UINT16 j;
UINT16 texstart, texend, texturesLumpPos;
patch_t *patchlump;
@ -443,9 +445,9 @@ void R_LoadTextures(void)
texturecolumnofs = (void *)((UINT8 *)textures + (numtextures * sizeof(void *)));
// Allocate texture referencing cache.
texturecache = (void *)((UINT8 *)textures + ((numtextures * sizeof(void *)) * 2));
// Allocate texture width mask table.
texturewidthmask = (void *)((UINT8 *)textures + ((numtextures * sizeof(void *)) * 3));
// Allocate texture height mask table.
// Allocate texture width table.
texturewidth = (void *)((UINT8 *)textures + ((numtextures * sizeof(void *)) * 3));
// Allocate texture height table.
textureheight = (void *)((UINT8 *)textures + ((numtextures * sizeof(void *)) * 4));
// Create translation table for global animation.
texturetranslation = Z_Malloc((numtextures + 1) * sizeof(*texturetranslation), PU_STATIC, NULL);
@ -513,11 +515,7 @@ void R_LoadTextures(void)
Z_Unlock(patchlump);
k = 1;
while (k << 1 <= texture->width)
k <<= 1;
texturewidthmask[i] = k - 1;
texturewidth[i] = texture->width;
textureheight[i] = texture->height << FRACBITS;
}
}
@ -905,7 +903,7 @@ void R_ParseTEXTURESLump(UINT16 wadNum, UINT16 lumpNum, INT32 *texindex)
newTexture = R_ParseTexture(true);
// Store the new texture
textures[*texindex] = newTexture;
texturewidthmask[*texindex] = newTexture->width - 1;
texturewidth[*texindex] = newTexture->width;
textureheight[*texindex] = newTexture->height << FRACBITS;
// Increment i back in R_LoadTextures()
(*texindex)++;
@ -1017,6 +1015,41 @@ lumpnum_t R_GetFlatNumForName(const char *name)
lump = LUMPERROR;
}
// Lactozilla
if (lump == LUMPERROR)
{
// Scan wad files backwards so patched flats take preference.
for (i = numwadfiles - 1; i >= 0; i--)
{
switch (wadfiles[i]->type)
{
case RET_WAD:
if ((start = W_CheckNumForNamePwad("TX_START", (UINT16)i, 0)) == INT16_MAX)
continue;
if ((end = W_CheckNumForNamePwad("TX_END", (UINT16)i, start)) == INT16_MAX)
continue;
break;
case RET_PK3:
if ((start = W_CheckNumForFolderStartPK3("Textures/", i, 0)) == INT16_MAX)
continue;
if ((end = W_CheckNumForFolderEndPK3("Textures/", i, start)) == INT16_MAX)
continue;
break;
default:
continue;
}
// Now find lump with specified name in that range.
lump = W_CheckNumForNamePwad(name, (UINT16)i, start);
if (lump < end)
{
lump += (i<<16); // found it, in our constraints
break;
}
lump = LUMPERROR;
}
}
if (lump == LUMPERROR)
{
if (strcmp(name, SKYFLATNAME))
@ -1603,3 +1636,144 @@ void R_PrecacheLevel(void)
"texturememory: %s k\n"
"spritememory: %s k\n", sizeu1(flatmemory>>10), sizeu2(texturememory>>10), sizeu3(spritememory>>10));
}
// https://github.com/coelckers/prboom-plus/blob/master/prboom2/src/r_patch.c#L350
boolean R_CheckIfPatch(lumpnum_t lump)
{
size_t size;
INT16 width, height;
patch_t *patch;
boolean result;
size = W_LumpLength(lump);
// minimum length of a valid Doom patch
if (size < 13)
return false;
patch = (patch_t *)W_CacheLumpNum(lump, PU_STATIC);
width = SHORT(patch->width);
height = SHORT(patch->height);
result = (height > 0 && height <= 16384 && width > 0 && width <= 16384 && width < size / 4);
if (result)
{
// The dimensions seem like they might be valid for a patch, so
// check the column directory for extra security. All columns
// must begin after the column directory, and none of them must
// point past the end of the patch.
INT16 x;
for (x = 0; x < width; x++)
{
UINT32 ofs = LONG(patch->columnofs[x]);
// Need one byte for an empty column (but there's patches that don't know that!)
if (ofs < (UINT32)width * 4 + 8 || ofs >= (UINT32)size)
{
result = false;
break;
}
}
}
Z_Free(patch);
return result;
}
// Lactozilla
void R_FlatPatch(patch_t *patch, UINT8 *flat)
{
fixed_t col, ofs;
column_t *column;
UINT8 *desttop, *dest, *deststop;
UINT8 *source;
desttop = flat;
deststop = desttop + (patch->width * patch->height);
for (col = 0; col < SHORT(patch->width); col++, desttop++)
{
INT32 topdelta, prevdelta = -1;
column = (column_t *)((UINT8 *)patch + LONG(patch->columnofs[col]));
while (column->topdelta != 0xff)
{
topdelta = column->topdelta;
if (topdelta <= prevdelta)
topdelta += prevdelta;
prevdelta = topdelta;
dest = desttop + (topdelta * patch->width);
source = (UINT8 *)(column) + 3;
for (ofs = 0; dest < deststop && ofs < column->length; ofs++)
{
if (source[ofs] != TRANSPARENTPIXEL)
*dest = source[ofs];
dest += patch->width;
}
column = (column_t *)((UINT8 *)column + column->length + 4);
}
}
}
void R_FlatTexture(size_t tex, UINT8 *flat)
{
texture_t *texture = textures[tex];
fixed_t col, ofs;
column_t *column;
UINT8 *desttop, *dest, *deststop;
UINT8 *source;
desttop = flat;
deststop = desttop + (texture->width * texture->height);
for (col = 0; col < SHORT(texture->width); col++, desttop++)
{
INT32 topdelta, prevdelta = -1;
column = (column_t *)R_GetColumn(tex, col);
if (!texture->holes)
{
dest = desttop;
source = (UINT8 *)(column);
for (ofs = 0; dest < deststop && ofs < texture->height; ofs++)
{
if (source[ofs] != TRANSPARENTPIXEL)
*dest = source[ofs];
dest += texture->width;
}
}
else
{
while (column->topdelta != 0xff)
{
topdelta = column->topdelta;
if (topdelta <= prevdelta)
topdelta += prevdelta;
prevdelta = topdelta;
dest = desttop + (topdelta * texture->width);
source = (UINT8 *)(column) + 3;
for (ofs = 0; dest < deststop && ofs < column->length; ofs++)
{
if (source[ofs] != TRANSPARENTPIXEL)
*dest = source[ofs];
dest += texture->width;
}
column = (column_t *)((UINT8 *)column + column->length + 4);
}
}
}
}
void R_CropFlat(UINT8 *origflat, UINT8 *cropflat, UINT16 origwidth, UINT16 origheight, UINT16 cropwidth, UINT16 cropheight)
{
UINT16 x, y;
for (y = 0; y < cropheight; y++)
for (x = 0; x < cropwidth; x++)
cropflat[(y * cropwidth) + x] = origflat[(y * origwidth) + x];
}

12
src/r_data.h
View file

@ -51,9 +51,7 @@ typedef struct
// all loaded and prepared textures from the start of the game
extern texture_t **textures;
// texture width is a power of 2, so it can easily repeat along sidedefs using a simple mask
extern INT32 *texturewidthmask;
extern INT32 *texturewidth;
extern fixed_t *textureheight; // needed for texture pegging
extern INT16 color8to16[256]; // remap color index to highcolor
@ -81,7 +79,6 @@ void R_PrecacheLevel(void);
// Floor/ceiling opaque texture tiles,
// lookup by name. For animation?
lumpnum_t R_GetFlatNumForName(const char *name);
#define R_FlatNumForName(x) R_GetFlatNumForName(x)
// Called by P_Ticker for switches and animations,
// returns the texture number for the texture name.
@ -95,6 +92,13 @@ INT32 R_ColormapNumForName(char *name);
INT32 R_CreateColormap(char *p1, char *p2, char *p3);
const char *R_ColormapNameForNum(INT32 num);
boolean R_CheckIfPatch(lumpnum_t lump);
// Lactozilla
void R_FlatPatch(patch_t *patch, UINT8 *flat);
void R_FlatTexture(size_t tex, UINT8 *flat);
void R_CropFlat(UINT8 *origflat, UINT8 *cropflat, UINT16 origwidth, UINT16 origheight, UINT16 cropwidth, UINT16 cropheight);
extern INT32 numtextures;
#endif

2
src/r_draw.c
View file

@ -99,6 +99,8 @@ INT32 dc_numlights = 0, dc_maxlights, dc_texheight;
INT32 ds_y, ds_x1, ds_x2;
lighttable_t *ds_colormap;
fixed_t ds_xfrac, ds_yfrac, ds_xstep, ds_ystep;
UINT16 ds_flatwidth, ds_flatheight;
boolean ds_powersoftwo;
UINT8 *ds_source; // start of a 64*64 tile image
UINT8 *ds_transmap; // one of the translucency tables

13
src/r_draw.h
View file

@ -57,7 +57,9 @@ extern INT32 dc_texheight;
extern INT32 ds_y, ds_x1, ds_x2;
extern lighttable_t *ds_colormap;
extern fixed_t ds_xfrac, ds_yfrac, ds_xstep, ds_ystep;
extern UINT8 *ds_source; // start of a 64*64 tile image
extern UINT16 ds_flatwidth, ds_flatheight;
extern boolean ds_powersoftwo;
extern UINT8 *ds_source;
extern UINT8 *ds_transmap;
#ifdef ESLOPE
@ -125,6 +127,8 @@ void R_FillBackScreen(void);
void R_DrawViewBorder(void);
#endif
#define TRANSPARENTPIXEL 247
// -----------------
// 8bpp DRAWING CODE
// -----------------
@ -166,6 +170,13 @@ void R_DrawFogSpan_8(void);
void R_DrawFogColumn_8(void);
void R_DrawColumnShadowed_8(void);
#ifndef NOWATER
void R_DrawTranslucentWaterSpan_8(void);
extern INT32 ds_bgofs;
extern INT32 ds_waterofs;
#endif
// ------------------
// 16bpp DRAWING CODE
// ------------------

499
src/r_draw8.c
View file

@ -105,8 +105,6 @@ void R_DrawColumn_8(void)
}
}
#define TRANSPARENTPIXEL 247
void R_Draw2sMultiPatchColumn_8(void)
{
INT32 count;
@ -543,80 +541,60 @@ void R_DrawTranslatedColumn_8(void)
*/
void R_DrawSpan_8 (void)
{
UINT32 xposition;
UINT32 yposition;
UINT32 xstep, ystep;
fixed_t xposition;
fixed_t yposition;
fixed_t xstep, ystep;
UINT8 *source;
UINT8 *colormap;
UINT8 *dest;
const UINT8 *deststop = screens[0] + vid.rowbytes * vid.height;
size_t count;
UINT32 flatsize = ds_flatwidth * ds_flatheight;
size_t count = (ds_x2 - ds_x1 + 1);
// SoM: we only need 6 bits for the integer part (0 thru 63) so the rest
// can be used for the fraction part. This allows calculation of the memory address in the
// texture with two shifts, an OR and one AND. (see below)
// for texture sizes > 64 the amount of precision we can allow will decrease, but only by one
// bit per power of two (obviously)
// Ok, because I was able to eliminate the variable spot below, this function is now FASTER
// than the original span renderer. Whodathunkit?
xposition = ds_xfrac << nflatshiftup; yposition = ds_yfrac << nflatshiftup;
xstep = ds_xstep << nflatshiftup; ystep = ds_ystep << nflatshiftup;
xposition = ds_xfrac; yposition = ds_yfrac;
xstep = ds_xstep; ystep = ds_ystep;
if (ds_powersoftwo)
{
xposition <<= nflatshiftup; yposition <<= nflatshiftup;
xstep <<= nflatshiftup; ystep <<= nflatshiftup;
}
source = ds_source;
colormap = ds_colormap;
dest = ylookup[ds_y] + columnofs[ds_x1];
count = ds_x2 - ds_x1 + 1;
if (dest+8 > deststop)
if (dest > deststop)
return;
while (count >= 8)
if (!ds_powersoftwo)
{
// SoM: Why didn't I see this earlier? the spot variable is a waste now because we don't
// have the uber complicated math to calculate it now, so that was a memory write we didn't
// need!
dest[0] = colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]];
xposition += xstep;
yposition += ystep;
while (count-- && dest <= deststop)
{
fixed_t x = (xposition >> FRACBITS);
fixed_t y = (yposition >> FRACBITS);
dest[1] = colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]];
xposition += xstep;
yposition += ystep;
// Carefully align all of my Friends.
if (x < 0)
x = ds_flatwidth - ((UINT32)(ds_flatwidth - x) % ds_flatwidth);
if (y < 0)
y = ds_flatheight - ((UINT32)(ds_flatheight - y) % ds_flatheight);
dest[2] = colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]];
xposition += xstep;
yposition += ystep;
dest[3] = colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]];
xposition += xstep;
yposition += ystep;
dest[4] = colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]];
xposition += xstep;
yposition += ystep;
dest[5] = colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]];
xposition += xstep;
yposition += ystep;
dest[6] = colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]];
xposition += xstep;
yposition += ystep;
dest[7] = colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]];
xposition += xstep;
yposition += ystep;
dest += 8;
count -= 8;
*dest++ = colormap[source[((y * ds_flatwidth) + x) % flatsize]];
xposition += xstep;
yposition += ystep;
}
}
while (count-- && dest <= deststop)
else
{
*dest++ = colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]];
xposition += xstep;
yposition += ystep;
while (count-- && dest <= deststop)
{
*dest++ = colormap[source[(((UINT32)yposition >> nflatyshift) & nflatmask) | ((UINT32)xposition >> nflatxshift)]];
xposition += xstep;
yposition += ystep;
}
}
}
@ -1065,117 +1043,64 @@ void R_DrawTiltedSplat_8(void)
*/
void R_DrawSplat_8 (void)
{
UINT32 xposition;
UINT32 yposition;
UINT32 xstep, ystep;
fixed_t xposition;
fixed_t yposition;
fixed_t xstep, ystep;
UINT8 *source;
UINT8 *colormap;
UINT8 *dest;
const UINT8 *deststop = screens[0] + vid.rowbytes * vid.height;
size_t count;
UINT32 flatsize = ds_flatwidth * ds_flatheight;
size_t count = (ds_x2 - ds_x1 + 1);
UINT32 val;
// SoM: we only need 6 bits for the integer part (0 thru 63) so the rest
// can be used for the fraction part. This allows calculation of the memory address in the
// texture with two shifts, an OR and one AND. (see below)
// for texture sizes > 64 the amount of precision we can allow will decrease, but only by one
// bit per power of two (obviously)
// Ok, because I was able to eliminate the variable spot below, this function is now FASTER
// than the original span renderer. Whodathunkit?
xposition = ds_xfrac << nflatshiftup; yposition = ds_yfrac << nflatshiftup;
xstep = ds_xstep << nflatshiftup; ystep = ds_ystep << nflatshiftup;
xposition = ds_xfrac; yposition = ds_yfrac;
xstep = ds_xstep; ystep = ds_ystep;
if (ds_powersoftwo)
{
xposition <<= nflatshiftup; yposition <<= nflatshiftup;
xstep <<= nflatshiftup; ystep <<= nflatshiftup;
}
source = ds_source;
colormap = ds_colormap;
dest = ylookup[ds_y] + columnofs[ds_x1];
count = ds_x2 - ds_x1 + 1;
while (count >= 8)
if (!ds_powersoftwo)
{
// SoM: Why didn't I see this earlier? the spot variable is a waste now because we don't
// have the uber complicated math to calculate it now, so that was a memory write we didn't
// need!
//
// <Callum> 4194303 = (2048x2048)-1 (2048x2048 is maximum flat size)
val = ((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift);
val &= 4194303;
val = source[val];
if (val != TRANSPARENTPIXEL)
dest[0] = colormap[val];
xposition += xstep;
yposition += ystep;
while (count-- && dest <= deststop)
{
fixed_t x = (xposition >> FRACBITS);
fixed_t y = (yposition >> FRACBITS);
val = ((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift);
val &= 4194303;
val = source[val];
if (val != TRANSPARENTPIXEL)
dest[1] = colormap[val];
xposition += xstep;
yposition += ystep;
// Carefully align all of my Friends.
if (x < 0)
x = ds_flatwidth - ((UINT32)(ds_flatwidth - x) % ds_flatwidth);
if (y < 0)
y = ds_flatheight - ((UINT32)(ds_flatheight - y) % ds_flatheight);
val = ((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift);
val &= 4194303;
val = source[val];
if (val != TRANSPARENTPIXEL)
dest[2] = colormap[val];
xposition += xstep;
yposition += ystep;
val = ((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift);
val &= 4194303;
val = source[val];
if (val != TRANSPARENTPIXEL)
dest[3] = colormap[val];
xposition += xstep;
yposition += ystep;
val = ((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift);
val &= 4194303;
val = source[val];
if (val != TRANSPARENTPIXEL)
dest[4] = colormap[val];
xposition += xstep;
yposition += ystep;
val = ((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift);
val &= 4194303;
val = source[val];
if (val != TRANSPARENTPIXEL)
dest[5] = colormap[val];
xposition += xstep;
yposition += ystep;
val = ((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift);
val &= 4194303;
val = source[val];
if (val != TRANSPARENTPIXEL)
dest[6] = colormap[val];
xposition += xstep;
yposition += ystep;
val = ((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift);
val &= 4194303;
val = source[val];
if (val != TRANSPARENTPIXEL)
dest[7] = colormap[val];
xposition += xstep;
yposition += ystep;
dest += 8;
count -= 8;
val = source[((y * ds_flatwidth) + x) % flatsize];
if (val != TRANSPARENTPIXEL)
*dest = colormap[val];
dest++;
xposition += xstep;
yposition += ystep;
}
}
while (count--)
else
{
val = ((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift);
val &= 4194303;
val = source[val];
if (val != TRANSPARENTPIXEL)
*dest = colormap[val];
dest++;
xposition += xstep;
yposition += ystep;
while (count-- && dest <= deststop)
{
val = source[(((UINT32)yposition >> nflatyshift) & nflatmask) | ((UINT32)xposition >> nflatxshift)];
if (val != TRANSPARENTPIXEL)
*dest = colormap[val];
dest++;
xposition += xstep;
yposition += ystep;
}
}
}
@ -1184,97 +1109,64 @@ void R_DrawSplat_8 (void)
*/
void R_DrawTranslucentSplat_8 (void)
{
UINT32 xposition;
UINT32 yposition;
UINT32 xstep, ystep;
fixed_t xposition;
fixed_t yposition;
fixed_t xstep, ystep;
UINT8 *source;
UINT8 *colormap;
UINT8 *dest;
const UINT8 *deststop = screens[0] + vid.rowbytes * vid.height;
size_t count;
UINT8 val;
UINT32 flatsize = ds_flatwidth * ds_flatheight;
size_t count = (ds_x2 - ds_x1 + 1);
UINT32 val;
// SoM: we only need 6 bits for the integer part (0 thru 63) so the rest
// can be used for the fraction part. This allows calculation of the memory address in the
// texture with two shifts, an OR and one AND. (see below)
// for texture sizes > 64 the amount of precision we can allow will decrease, but only by one
// bit per power of two (obviously)
// Ok, because I was able to eliminate the variable spot below, this function is now FASTER
// than the original span renderer. Whodathunkit?
xposition = ds_xfrac << nflatshiftup; yposition = ds_yfrac << nflatshiftup;
xstep = ds_xstep << nflatshiftup; ystep = ds_ystep << nflatshiftup;
xposition = ds_xfrac; yposition = ds_yfrac;
xstep = ds_xstep; ystep = ds_ystep;
if (ds_powersoftwo)
{
xposition <<= nflatshiftup; yposition <<= nflatshiftup;
xstep <<= nflatshiftup; ystep <<= nflatshiftup;
}
source = ds_source;
colormap = ds_colormap;
dest = ylookup[ds_y] + columnofs[ds_x1];
count = ds_x2 - ds_x1 + 1;
while (count >= 8)
if (!ds_powersoftwo)
{
// SoM: Why didn't I see this earlier? the spot variable is a waste now because we don't
// have the uber complicated math to calculate it now, so that was a memory write we didn't
// need!
val = source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)];
if (val != TRANSPARENTPIXEL)
dest[0] = *(ds_transmap + (colormap[val] << 8) + dest[0]);
xposition += xstep;
yposition += ystep;
while (count-- && dest <= deststop)
{
fixed_t x = (xposition >> FRACBITS);
fixed_t y = (yposition >> FRACBITS);
val = source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)];
if (val != TRANSPARENTPIXEL)
dest[1] = *(ds_transmap + (colormap[val] << 8) + dest[1]);
xposition += xstep;
yposition += ystep;
// Carefully align all of my Friends.
if (x < 0)
x = ds_flatwidth - ((UINT32)(ds_flatwidth - x) % ds_flatwidth);
if (y < 0)
y = ds_flatheight - ((UINT32)(ds_flatheight - y) % ds_flatheight);
val = source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)];
if (val != TRANSPARENTPIXEL)
dest[2] = *(ds_transmap + (colormap[val] << 8) + dest[2]);
xposition += xstep;
yposition += ystep;
val = source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)];
if (val != TRANSPARENTPIXEL)
dest[3] = *(ds_transmap + (colormap[val] << 8) + dest[3]);
xposition += xstep;
yposition += ystep;
val = source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)];
if (val != TRANSPARENTPIXEL)
dest[4] = *(ds_transmap + (colormap[val] << 8) + dest[4]);
xposition += xstep;
yposition += ystep;
val = source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)];
if (val != TRANSPARENTPIXEL)
dest[5] = *(ds_transmap + (colormap[val] << 8) + dest[5]);
xposition += xstep;
yposition += ystep;
val = source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)];
if (val != TRANSPARENTPIXEL)
dest[6] = *(ds_transmap + (colormap[val] << 8) + dest[6]);
xposition += xstep;
yposition += ystep;
val = source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)];
if (val != TRANSPARENTPIXEL)
dest[7] = *(ds_transmap + (colormap[val] << 8) + dest[7]);
xposition += xstep;
yposition += ystep;
dest += 8;
count -= 8;
val = source[((y * ds_flatwidth) + x) % flatsize];
if (val != TRANSPARENTPIXEL)
*dest = *(ds_transmap + (colormap[val] << 8) + *dest);
dest++;
xposition += xstep;
yposition += ystep;
}
}
while (count--)
else
{
val = source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)];
if (val != TRANSPARENTPIXEL)
*dest = *(ds_transmap + (colormap[val] << 8) + *dest);
dest++;
xposition += xstep;
yposition += ystep;
while (count-- && dest <= deststop)
{
val = source[(((UINT32)yposition >> nflatyshift) & nflatmask) | ((UINT32)xposition >> nflatxshift)];
if (val != TRANSPARENTPIXEL)
*dest = *(ds_transmap + (colormap[val] << 8) + *dest);
dest++;
xposition += xstep;
yposition += ystep;
}
}
}
@ -1283,80 +1175,125 @@ void R_DrawTranslucentSplat_8 (void)
*/
void R_DrawTranslucentSpan_8 (void)
{
UINT32 xposition;
UINT32 yposition;
UINT32 xstep, ystep;
fixed_t xposition;
fixed_t yposition;
fixed_t xstep, ystep;
UINT8 *source;
UINT8 *colormap;
UINT8 *dest;
const UINT8 *deststop = screens[0] + vid.rowbytes * vid.height;
size_t count;
UINT32 flatsize = ds_flatwidth * ds_flatheight;
size_t count = (ds_x2 - ds_x1 + 1);
UINT32 val;
// SoM: we only need 6 bits for the integer part (0 thru 63) so the rest
// can be used for the fraction part. This allows calculation of the memory address in the
// texture with two shifts, an OR and one AND. (see below)
// for texture sizes > 64 the amount of precision we can allow will decrease, but only by one
// bit per power of two (obviously)
// Ok, because I was able to eliminate the variable spot below, this function is now FASTER
// than the original span renderer. Whodathunkit?
xposition = ds_xfrac << nflatshiftup; yposition = ds_yfrac << nflatshiftup;
xstep = ds_xstep << nflatshiftup; ystep = ds_ystep << nflatshiftup;
xposition = ds_xfrac; yposition = ds_yfrac;
xstep = ds_xstep; ystep = ds_ystep;
if (ds_powersoftwo)
{
xposition <<= nflatshiftup; yposition <<= nflatshiftup;
xstep <<= nflatshiftup; ystep <<= nflatshiftup;
}
source = ds_source;
colormap = ds_colormap;
dest = ylookup[ds_y] + columnofs[ds_x1];
count = ds_x2 - ds_x1 + 1;
while (count >= 8)
if (!ds_powersoftwo)
{
// SoM: Why didn't I see this earlier? the spot variable is a waste now because we don't
// have the uber complicated math to calculate it now, so that was a memory write we didn't
// need!
dest[0] = *(ds_transmap + (colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]] << 8) + dest[0]);
xposition += xstep;
yposition += ystep;
while (count-- && dest <= deststop)
{
fixed_t x = (xposition >> FRACBITS);
fixed_t y = (yposition >> FRACBITS);
dest[1] = *(ds_transmap + (colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]] << 8) + dest[1]);
xposition += xstep;
yposition += ystep;
// Carefully align all of my Friends.
if (x < 0)
x = ds_flatwidth - ((UINT32)(ds_flatwidth - x) % ds_flatwidth);
if (y < 0)
y = ds_flatheight - ((UINT32)(ds_flatheight - y) % ds_flatheight);
dest[2] = *(ds_transmap + (colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]] << 8) + dest[2]);
xposition += xstep;
yposition += ystep;
dest[3] = *(ds_transmap + (colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]] << 8) + dest[3]);
xposition += xstep;
yposition += ystep;
dest[4] = *(ds_transmap + (colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]] << 8) + dest[4]);
xposition += xstep;
yposition += ystep;
dest[5] = *(ds_transmap + (colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]] << 8) + dest[5]);
xposition += xstep;
yposition += ystep;
dest[6] = *(ds_transmap + (colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]] << 8) + dest[6]);
xposition += xstep;
yposition += ystep;
dest[7] = *(ds_transmap + (colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]] << 8) + dest[7]);
xposition += xstep;
yposition += ystep;
dest += 8;
count -= 8;
val = ((y * ds_flatwidth) + x) % flatsize;
*dest = *(ds_transmap + (colormap[source[val]] << 8) + *dest);
dest++;
xposition += xstep;
yposition += ystep;
}
}
while (count--)
else
{
*dest = *(ds_transmap + (colormap[source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)]] << 8) + *dest);
dest++;
xposition += xstep;
yposition += ystep;
while (count-- && dest <= deststop)
{
val = (((UINT32)yposition >> nflatyshift) & nflatmask) | ((UINT32)xposition >> nflatxshift);
*dest = *(ds_transmap + (colormap[source[val]] << 8) + *dest);
dest++;
xposition += xstep;
yposition += ystep;
}
}
}
#ifndef NOWATER
void R_DrawTranslucentWaterSpan_8(void)
{
fixed_t xposition;
fixed_t yposition;
fixed_t xstep, ystep;
UINT8 *source;
UINT8 *colormap;
UINT8 *dest;
UINT8 *dsrc;
const UINT8 *deststop = screens[0] + vid.rowbytes * vid.height;
UINT32 flatsize = ds_flatwidth * ds_flatheight;
size_t count = (ds_x2 - ds_x1 + 1);
xposition = ds_xfrac; yposition = (ds_yfrac + ds_waterofs);
xstep = ds_xstep; ystep = ds_ystep;
if (ds_powersoftwo)
{
xposition <<= nflatshiftup; yposition <<= nflatshiftup;
xstep <<= nflatshiftup; ystep <<= nflatshiftup;
}
source = ds_source;
colormap = ds_colormap;
dest = ylookup[ds_y] + columnofs[ds_x1];
dsrc = screens[1] + (ds_y+ds_bgofs)*vid.width + ds_x1;
if (!ds_powersoftwo)
{
while (count-- && dest <= deststop)
{
fixed_t x = (xposition >> FRACBITS);
fixed_t y = (yposition >> FRACBITS);
// Carefully align all of my Friends.
if (x < 0)
x = ds_flatwidth - ((UINT32)(ds_flatwidth - x) % ds_flatwidth);
if (y < 0)
y = ds_flatheight - ((UINT32)(ds_flatheight - y) % ds_flatheight);
*dest++ = colormap[*(ds_transmap + (source[((y * ds_flatwidth) + x) % flatsize] << 8) + *dsrc++)];
xposition += xstep;
yposition += ystep;
}
}
else
{
while (count-- && dest <= deststop)
{
*dest++ = colormap[*(ds_transmap + (source[(((UINT32)yposition >> nflatyshift) & nflatmask) | ((UINT32)xposition >> nflatxshift)] << 8) + *dsrc++)];
xposition += xstep;
yposition += ystep;
}
}
}
#endif
/** \brief The R_DrawFogSpan_8 function
Draws the actual span with fogging.
*/

354
src/r_plane.c
View file

@ -173,91 +173,13 @@ void R_PortalRestoreClipValues(INT32 start, INT32 end, INT16 *ceil, INT16 *floor
// viewheight
#ifndef NOWATER
static INT32 bgofs;
INT32 ds_bgofs;
INT32 ds_waterofs;
static INT32 wtofs=0;
static INT32 waterofs;
static boolean itswater;
#endif
#ifndef NOWATER
static void R_DrawTranslucentWaterSpan_8(void)
{
UINT32 xposition;
UINT32 yposition;
UINT32 xstep, ystep;
UINT8 *source;
UINT8 *colormap;
UINT8 *dest;
UINT8 *dsrc;
size_t count;
// SoM: we only need 6 bits for the integer part (0 thru 63) so the rest
// can be used for the fraction part. This allows calculation of the memory address in the
// texture with two shifts, an OR and one AND. (see below)
// for texture sizes > 64 the amount of precision we can allow will decrease, but only by one
// bit per power of two (obviously)
// Ok, because I was able to eliminate the variable spot below, this function is now FASTER
// than the original span renderer. Whodathunkit?
xposition = ds_xfrac << nflatshiftup; yposition = (ds_yfrac + waterofs) << nflatshiftup;
xstep = ds_xstep << nflatshiftup; ystep = ds_ystep << nflatshiftup;
source = ds_source;
colormap = ds_colormap;
dest = ylookup[ds_y] + columnofs[ds_x1];
dsrc = screens[1] + (ds_y+bgofs)*vid.width + ds_x1;
count = ds_x2 - ds_x1 + 1;
while (count >= 8)
{
// SoM: Why didn't I see this earlier? the spot variable is a waste now because we don't
// have the uber complicated math to calculate it now, so that was a memory write we didn't
// need!
dest[0] = colormap[*(ds_transmap + (source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)] << 8) + *dsrc++)];
xposition += xstep;
yposition += ystep;
dest[1] = colormap[*(ds_transmap + (source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)] << 8) + *dsrc++)];
xposition += xstep;
yposition += ystep;
dest[2] = colormap[*(ds_transmap + (source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)] << 8) + *dsrc++)];
xposition += xstep;
yposition += ystep;
dest[3] = colormap[*(ds_transmap + (source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)] << 8) + *dsrc++)];
xposition += xstep;
yposition += ystep;
dest[4] = colormap[*(ds_transmap + (source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)] << 8) + *dsrc++)];
xposition += xstep;
yposition += ystep;
dest[5] = colormap[*(ds_transmap + (source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)] << 8) + *dsrc++)];
xposition += xstep;
yposition += ystep;
dest[6] = colormap[*(ds_transmap + (source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)] << 8) + *dsrc++)];
xposition += xstep;
yposition += ystep;
dest[7] = colormap[*(ds_transmap + (source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)] << 8) + *dsrc++)];
xposition += xstep;
yposition += ystep;
dest += 8;
count -= 8;
}
while (count--)
{
*dest++ = colormap[*(ds_transmap + (source[((yposition >> nflatyshift) & nflatmask) | (xposition >> nflatxshift)] << 8) + *dsrc++)];
xposition += xstep;
yposition += ystep;
}
}
#endif
void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
{
angle_t angle, planecos, planesin;
@ -304,17 +226,17 @@ void R_MapPlane(INT32 y, INT32 x1, INT32 x2)
{
const INT32 yay = (wtofs + (distance>>9) ) & 8191;
// ripples da water texture
bgofs = FixedDiv(FINESINE(yay), (1<<12) + (distance>>11))>>FRACBITS;
ds_bgofs = FixedDiv(FINESINE(yay), (1<<12) + (distance>>11))>>FRACBITS;
angle = (currentplane->viewangle + currentplane->plangle + xtoviewangle[x1])>>ANGLETOFINESHIFT;
angle = (angle + 2048) & 8191; // 90 degrees
ds_xfrac += FixedMul(FINECOSINE(angle), (bgofs<<FRACBITS));
ds_yfrac += FixedMul(FINESINE(angle), (bgofs<<FRACBITS));
ds_xfrac += FixedMul(FINECOSINE(angle), (ds_bgofs<<FRACBITS));
ds_yfrac += FixedMul(FINESINE(angle), (ds_bgofs<<FRACBITS));
if (y+bgofs>=viewheight)
bgofs = viewheight-y-1;
if (y+bgofs<0)
bgofs = -y;
if (y+ds_bgofs>=viewheight)
ds_bgofs = viewheight-y-1;
if (y+ds_bgofs<0)
ds_bgofs = -y;
}
#endif
@ -726,11 +648,142 @@ void R_DrawPlanes(void)
}
}
#ifndef NOWATER
waterofs = (leveltime & 1)*16384;
ds_waterofs = (leveltime & 1)*16384;
wtofs = leveltime * 140;
#endif
}
// Lactozilla
static void R_GetPatchFlat(levelflat_t *levelflat, boolean leveltexture)
{
patch_t *patch = NULL;
if (levelflat->flatpatch == NULL)
{
#ifdef ESLOPE
INT32 resizewidth, resizeheight, newresize;
#endif // ESLOPE
if (!leveltexture)
{
patch = (patch_t *)ds_source;
levelflat->width = ds_flatwidth = patch->width;
levelflat->height = ds_flatheight = patch->height;
levelflat->flatpatch = Z_Malloc(ds_flatwidth * ds_flatheight, PU_LEVEL, NULL);
memset(levelflat->flatpatch, TRANSPARENTPIXEL, ds_flatwidth * ds_flatheight);
R_FlatPatch(patch, levelflat->flatpatch);
levelflat->topoffset = patch->topoffset * FRACUNIT;
levelflat->leftoffset = patch->leftoffset * FRACUNIT;
}
else
{
texture_t *texture = textures[levelflat->texturenum];
levelflat->width = ds_flatwidth = texture->width;
levelflat->height = ds_flatheight = texture->height;
levelflat->flatpatch = Z_Malloc(ds_flatwidth * ds_flatheight, PU_LEVEL, NULL);
memset(levelflat->flatpatch, TRANSPARENTPIXEL, ds_flatwidth * ds_flatheight);
R_FlatTexture(levelflat->texturenum, levelflat->flatpatch);
levelflat->topoffset = levelflat->leftoffset = 0;
}
ds_source = levelflat->flatpatch;
// If GZDoom has the same limitation then I'm not even going to bother.
// Crop the texture.
#ifdef ESLOPE
// Scale up to nearest power of 2
resizewidth = resizeheight = 1;
while (resizewidth < levelflat->width)
resizewidth <<= 1;
while (resizeheight < levelflat->height)
resizeheight <<= 1;
// Scale down to fit in 2048x2048
if (resizewidth > 2048)
resizewidth = 2048;
if (resizeheight > 2048)
resizeheight = 2048;
// Then scale down to fit the actual flat dimensions
while (resizewidth > levelflat->width)
resizewidth >>= 1;
while (resizeheight > levelflat->height)
resizeheight >>= 1;
levelflat->resizedwidth = levelflat->resizedheight = (newresize = min(resizewidth, resizeheight));
levelflat->resizedflat = Z_Malloc(newresize * newresize, PU_LEVEL, NULL);
memset(levelflat->resizedflat, TRANSPARENTPIXEL, newresize * newresize);
R_CropFlat(levelflat->flatpatch, levelflat->resizedflat, levelflat->width, levelflat->height, newresize, newresize);
#endif // ESLOPE
}
else
{
ds_source = levelflat->flatpatch;
ds_flatwidth = levelflat->width;
ds_flatheight = levelflat->height;
xoffs += levelflat->leftoffset;
yoffs += levelflat->topoffset;
}
#ifdef ESLOPE
if (currentplane->slope)
{
ds_source = levelflat->resizedflat;
ds_flatwidth = levelflat->resizedwidth;
ds_flatheight = levelflat->resizedheight;
// uuuuuuuhhhhhhhh.......................
switch (ds_flatwidth * ds_flatheight)
{
case 4194304: // 2048x2048 lump
nflatmask = 0x3FF800;
nflatxshift = 21;
nflatyshift = 10;
nflatshiftup = 5;
break;
case 1048576: // 1024x1024 lump
nflatmask = 0xFFC00;
nflatxshift = 22;
nflatyshift = 12;
nflatshiftup = 6;
break;
case 262144:// 512x512 lump
nflatmask = 0x3FE00;
nflatxshift = 23;
nflatyshift = 14;
nflatshiftup = 7;
break;
case 65536: // 256x256 lump
nflatmask = 0xFF00;
nflatxshift = 24;
nflatyshift = 16;
nflatshiftup = 8;
break;
case 16384: // 128x128 lump
nflatmask = 0x3F80;
nflatxshift = 25;
nflatyshift = 18;
nflatshiftup = 9;
break;
case 1024: // 32x32 lump
nflatmask = 0x3E0;
nflatxshift = 27;
nflatyshift = 22;
nflatshiftup = 11;
break;
default: // 64x64 lump
nflatmask = 0xFC0;
nflatxshift = 26;
nflatyshift = 20;
nflatshiftup = 10;
break;
}
}
#endif // ESLOPE
}
void R_DrawSinglePlane(visplane_t *pl)
{
INT32 light = 0;
@ -738,6 +791,7 @@ void R_DrawSinglePlane(visplane_t *pl)
INT32 stop, angle;
size_t size;
ffloor_t *rover;
levelflat_t *levelflat;
if (!(pl->minx <= pl->maxx))
return;
@ -878,64 +932,78 @@ void R_DrawSinglePlane(visplane_t *pl)
viewangle = pl->viewangle+pl->plangle;
}
currentplane = pl;
ds_source = (UINT8 *)
W_CacheLumpNum(levelflats[pl->picnum].lumpnum,
PU_STATIC); // Stay here until Z_ChangeTag
size = W_LumpLength(levelflats[pl->picnum].lumpnum);
switch (size)
{
case 4194304: // 2048x2048 lump
nflatmask = 0x3FF800;
nflatxshift = 21;
nflatyshift = 10;
nflatshiftup = 5;
break;
case 1048576: // 1024x1024 lump
nflatmask = 0xFFC00;
nflatxshift = 22;
nflatyshift = 12;
nflatshiftup = 6;
break;
case 262144:// 512x512 lump'
nflatmask = 0x3FE00;
nflatxshift = 23;
nflatyshift = 14;
nflatshiftup = 7;
break;
case 65536: // 256x256 lump
nflatmask = 0xFF00;
nflatxshift = 24;
nflatyshift = 16;
nflatshiftup = 8;
break;
case 16384: // 128x128 lump
nflatmask = 0x3F80;
nflatxshift = 25;
nflatyshift = 18;
nflatshiftup = 9;
break;
case 1024: // 32x32 lump
nflatmask = 0x3E0;
nflatxshift = 27;
nflatyshift = 22;
nflatshiftup = 11;
break;
default: // 64x64 lump
nflatmask = 0xFC0;
nflatxshift = 26;
nflatyshift = 20;
nflatshiftup = 10;
break;
}
xoffs = pl->xoffs;
yoffs = pl->yoffs;
planeheight = abs(pl->height - pl->viewz);
currentplane = pl;
levelflat = &levelflats[pl->picnum];
if (levelflat->texturenum != 0 && levelflat->texturenum != -1)
R_GetPatchFlat(levelflat, true);
else
{
ds_source = (UINT8 *)W_CacheLumpNum(levelflat->lumpnum, PU_STATIC); // Stay here until Z_ChangeTag
size = W_LumpLength(levelflat->lumpnum);
switch (size)
{
case 4194304: // 2048x2048 lump
nflatmask = 0x3FF800;
nflatxshift = 21;
nflatyshift = 10;
nflatshiftup = 5;
ds_flatwidth = ds_flatheight = 2048;
break;
case 1048576: // 1024x1024 lump
nflatmask = 0xFFC00;
nflatxshift = 22;
nflatyshift = 12;
nflatshiftup = 6;
ds_flatwidth = ds_flatheight = 1024;
break;
case 262144:// 512x512 lump
nflatmask = 0x3FE00;
nflatxshift = 23;
nflatyshift = 14;
nflatshiftup = 7;
ds_flatwidth = ds_flatheight = 512;
break;
case 65536: // 256x256 lump
nflatmask = 0xFF00;
nflatxshift = 24;
nflatyshift = 16;
nflatshiftup = 8;
ds_flatwidth = ds_flatheight = 256;
break;
case 16384: // 128x128 lump
nflatmask = 0x3F80;
nflatxshift = 25;
nflatyshift = 18;
nflatshiftup = 9;
ds_flatwidth = ds_flatheight = 128;
break;
case 1024: // 32x32 lump
nflatmask = 0x3E0;
nflatxshift = 27;
nflatyshift = 22;
nflatshiftup = 11;
ds_flatwidth = ds_flatheight = 32;
break;
default: // 64x64 lump
nflatmask = 0xFC0;
nflatxshift = 26;
nflatyshift = 20;
nflatshiftup = 10;
ds_flatwidth = ds_flatheight = 64;
break;
}
}
if (R_CheckIfPatch(levelflat->lumpnum))
R_GetPatchFlat(levelflat, false);
ds_powersoftwo = (!((ds_flatwidth & (ds_flatwidth - 1)) || (ds_flatheight & (ds_flatheight - 1))));
if (light >= LIGHTLEVELS)
light = LIGHTLEVELS-1;

2
src/screen.c
View file

@ -135,7 +135,7 @@ void SCR_SetMode(void)
//fuzzcolfunc = R_DrawTranslucentColumn_8_ASM;
walldrawerfunc = R_DrawWallColumn_8_MMX;
twosmultipatchfunc = R_Draw2sMultiPatchColumn_8_MMX;
spanfunc = basespanfunc = R_DrawSpan_8_MMX;
//spanfunc = basespanfunc = R_DrawSpan_8_MMX;
}
else
{