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Implement alpha into rotatesprite (rotatesprite_) on the engine side.

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git-svn-id: https://svn.eduke32.com/eduke32@3609 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
hendricks266 2013-03-25 04:32:24 +00:00
parent c5044b3ecd
commit 3d46bc1551
4 changed files with 47 additions and 15 deletions
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14
polymer/eduke32/build/include/build.h
View file

@ -770,8 +770,8 @@ void drawmasks(void);
void clearview(int32_t dacol);
void clearallviews(int32_t dacol);
void drawmapview(int32_t dax, int32_t day, int32_t zoome, int16_t ang);
void rotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
int8_t dashade, char dapalnum, int32_t dastat,
void rotatesprite_(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
int8_t dashade, char dapalnum, int32_t dastat, uint8_t daalpha,
int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2);
void drawline256(int32_t x1, int32_t y1, int32_t x2, int32_t y2, char col);
int32_t printext16(int32_t xpos, int32_t ypos, int16_t col, int16_t backcol,
@ -781,16 +781,22 @@ void printext256(int32_t xpos, int32_t ypos, int16_t col, int16_t backcol,
////////// specialized rotatesprite wrappers for (very) often used cases //////////
// don't clip at all, i.e. the whole screen real estate is available
static inline void rotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
int8_t dashade, char dapalnum, int32_t dastat,
int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2)
{
rotatesprite_(sx, sy, z, a, picnum, dashade, dapalnum, dastat, 0, cx1, cy1, cx2, cy2);
}
static inline void rotatesprite_fs(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
int8_t dashade, char dapalnum, int32_t dastat)
{
rotatesprite(sx, sy, z, a, picnum, dashade, dapalnum, dastat, 0,0,xdim-1,ydim-1);
rotatesprite_(sx, sy, z, a, picnum, dashade, dapalnum, dastat, 0, 0,0,xdim-1,ydim-1);
}
static inline void rotatesprite_win(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
int8_t dashade, char dapalnum, int32_t dastat)
{
rotatesprite(sx, sy, z, a, picnum, dashade, dapalnum, dastat, windowx1,windowy1,windowx2,windowy2);
rotatesprite_(sx, sy, z, a, picnum, dashade, dapalnum, dastat, 0, windowx1,windowy1,windowx2,windowy2);
}
void bfirst_search_init(int16_t *list, uint8_t *bitmap, int32_t *eltnumptr, int32_t maxnum, int16_t firstelt);

2
polymer/eduke32/build/include/polymost.h
View file

@ -40,7 +40,7 @@ void uploadtexture(int32_t doalloc, int32_t xsiz, int32_t ysiz, int32_t intexfmt
void polymost_drawsprite(int32_t snum);
void polymost_drawmaskwall(int32_t damaskwallcnt);
void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
int8_t dashade, char dapalnum, int32_t dastat, int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2, int32_t uniqid);
int8_t dashade, char dapalnum, int32_t dastat, uint8_t daalpha, int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2, int32_t uniqid);
void polymost_fillpolygon(int32_t npoints);
void polymost_initosdfuncs(void);
void polymost_drawrooms(void);

37
polymer/eduke32/build/src/engine.c
View file

@ -2311,7 +2311,9 @@ typedef struct
int32_t sx, sy, z;
int16_t a, picnum;
int8_t dashade;
char dapalnum, dastat, pagesleft;
char dapalnum, dastat;
uint8_t daalpha;
char pagesleft;
int32_t cx1, cy1, cx2, cy2;
int32_t uniqid; //JF extension
} permfifotype;
@ -7128,7 +7130,7 @@ void dorotspr_handle_bit2(int32_t *sxptr, int32_t *syptr, int32_t *z, int32_t da
//
//JBF 20031206: Thanks to Ken's hunting, s/(rx1|ry1|rx2|ry2)/n\1/ in this function
static void dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
int8_t dashade, char dapalnum, int32_t dastat,
int8_t dashade, char dapalnum, int32_t dastat, uint8_t daalpha,
int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2,
int32_t uniqid)
{
@ -7152,7 +7154,7 @@ static void dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t
#ifdef USE_OPENGL
if (rendmode >= 3 && qsetmode == 200)
{
polymost_dorotatesprite(sx,sy,z,a,picnum,dashade,dapalnum,dastat,cx1,cy1,cx2,cy2,uniqid);
polymost_dorotatesprite(sx,sy,z,a,picnum,dashade,dapalnum,dastat,daalpha,cx1,cy1,cx2,cy2,uniqid);
return;
}
#endif
@ -7255,6 +7257,24 @@ static void dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t
if (palookup[dapalnum] == NULL) dapalnum = 0;
palookupoffs = FP_OFF(palookup[dapalnum]) + (getpalookup(0, dashade)<<8);
// hack pending proper alpha implentation
// TODO: a real implementation
if (daalpha > 84) // if alpha is 0 (which is the default) this structure should only necessitate one comparison
{
if ((dastat&1) && daalpha > 127) // this covers the multiplicative aspect used in the Polymodes
dastat |= 32;
dastat |= 1;
if (daalpha > 168)
{
dastat |= 32;
if (daalpha == 255)
return;
}
}
i = divscale32(1L,z);
xv = mulscale14(sinang,i);
yv = mulscale14(cosang,i);
@ -10567,7 +10587,7 @@ void nextpage(void)
per = &permfifo[i];
if ((per->pagesleft > 0) && (per->pagesleft <= numpages))
dorotatesprite(per->sx,per->sy,per->z,per->a,per->picnum,
per->dashade,per->dapalnum,per->dastat,
per->dashade,per->dapalnum,per->dastat,per->daalpha,
per->cx1,per->cy1,per->cx2,per->cy2,per->uniqid);
}
enddrawing(); //}}}
@ -10581,7 +10601,7 @@ void nextpage(void)
per = &permfifo[i];
if (per->pagesleft >= 130)
dorotatesprite(per->sx,per->sy,per->z,per->a,per->picnum,
per->dashade,per->dapalnum,per->dastat,
per->dashade,per->dapalnum,per->dastat,per->daalpha,
per->cx1,per->cy1,per->cx2,per->cy2,per->uniqid);
if (per->pagesleft&127) per->pagesleft--;
@ -13734,8 +13754,8 @@ void flushperms(void)
//
// rotatesprite
//
void rotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
int8_t dashade, char dapalnum, int32_t dastat,
void rotatesprite_(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
int8_t dashade, char dapalnum, int32_t dastat, uint8_t daalpha,
int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2)
{
int32_t i;
@ -13756,7 +13776,7 @@ void rotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
if (((dastat&128) == 0) || (numpages < 2) || (beforedrawrooms != 0))
{
begindrawing(); //{{{
dorotatesprite(sx,sy,z,a,picnum,dashade,dapalnum,dastat,cx1,cy1,cx2,cy2,guniqhudid);
dorotatesprite(sx,sy,z,a,picnum,dashade,dapalnum,dastat,daalpha,cx1,cy1,cx2,cy2,guniqhudid);
enddrawing(); //}}}
}
@ -13772,6 +13792,7 @@ void rotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
per->picnum = picnum;
per->dashade = dashade; per->dapalnum = dapalnum;
per->dastat = dastat;
per->daalpha = daalpha;
per->pagesleft = numpages+((beforedrawrooms&1)<<7);
per->cx1 = cx1; per->cy1 = cy1; per->cx2 = cx2; per->cy2 = cy2;
per->uniqid = guniqhudid; //JF extension

9
polymer/eduke32/build/src/polymost.c
View file

@ -5371,7 +5371,7 @@ void polymost_drawsprite(int32_t snum)
//dastat&128 1:draw all pages (permanent)
//cx1,... clip window (actual screen coords)
void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
int8_t dashade, char dapalnum, int32_t dastat,
int8_t dashade, char dapalnum, int32_t dastat, uint8_t daalpha,
int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2, int32_t uniqid)
{
static int32_t onumframes = 0;
@ -5537,6 +5537,8 @@ void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16
}
#ifdef USE_OPENGL
spriteext[tspr.owner].alpha = daalpha / 255.0f;
if (!nofog) bglDisable(GL_FOG);
if (rendmode < 4)
mddraw(&tspr);
@ -5579,6 +5581,8 @@ void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16
if (!nofog) bglEnable(GL_FOG);
#else
mddraw(&tspr);
spriteext[tspr.owner].alpha = 0.f;
#endif
viewingrange = oldviewingrange;
gxyaspect = ogxyaspect;
@ -5641,6 +5645,8 @@ void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16
}
method |= 4; //Use OpenGL clamping - dorotatesprite never repeats
alpha = daalpha / 255.0f;
xsiz = tilesizx[globalpicnum];
ysiz = tilesizy[globalpicnum];
@ -5743,7 +5749,6 @@ void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16
}
while (z);
alpha = 0.f;
#ifdef USE_OPENGL
if (!nofog) bglDisable(GL_FOG);
pow2xsplit = 0; drawpoly(px,py,n,method);