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CON: in rotatespritea and screentext, if alpha < 0, make -alpha denote blend.
For convenience, orientation gets bit 1 (translucency) set automatically. Again, test/screentext.con is updated to show off this functionality (the code there assumes that additive blending tables are loaded at blend numbers 101 -- 132). BUILD_LUNATIC. git-svn-id: https://svn.eduke32.com/eduke32@4428 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned
parent
2aa608af27
commit
63fee16ca5
6 changed files with 47 additions and 9 deletions
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@ -758,7 +758,7 @@ void G_AddCoordsFromRotation(vec2_t *coords, const vec2_t *unitDirection, const
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// screentext
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vec2_t G_ScreenText(const int32_t font,
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int32_t x, int32_t y, const int32_t z, const int32_t blockangle, const int32_t charangle,
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const char *str, const int32_t shade, int32_t pal, int32_t o, const int32_t alpha,
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const char *str, const int32_t shade, int32_t pal, int32_t o, int32_t alpha,
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int32_t xspace, int32_t yline, int32_t xbetween, int32_t ybetween, const int32_t f,
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const int32_t x1, const int32_t y1, const int32_t x2, const int32_t y2)
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{
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@ -769,7 +769,7 @@ vec2_t G_ScreenText(const int32_t font,
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const vec2_t Xdirection = { sintable[(blockangle+512)&2047], sintable[blockangle&2047], };
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const vec2_t Ydirection = { sintable[(blockangle+1024)&2047], sintable[(blockangle+512)&2047], };
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int32_t tile;
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int32_t blendidx=0, tile;
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char t;
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// set the start and end points depending on direction
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@ -781,6 +781,8 @@ vec2_t G_ScreenText(const int32_t font,
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if (str == NULL)
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return size;
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NEG_ALPHA_TO_BLEND(alpha, blendidx, o);
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end = (f & TEXT_BACKWARDS) ? str-1 : Bstrchr(str,'\0');
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text = (f & TEXT_BACKWARDS) ? Bstrchr(str,'\0')-1 : str;
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@ -929,7 +931,7 @@ vec2_t G_ScreenText(const int32_t font,
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G_AddCoordsFromRotation(&location, &Xdirection, pos.x);
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G_AddCoordsFromRotation(&location, &Ydirection, pos.y);
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rotatesprite_(location.x, location.y, z, angle, tile, shade, pal, orientation, alpha, 0, x1, y1, x2, y2);
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rotatesprite_(location.x, location.y, z, angle, tile, shade, pal, orientation, alpha, blendidx, x1, y1, x2, y2);
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break;
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}
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@ -372,9 +372,13 @@ extern char* G_GetSubString(const char *text, const char *end, const int32_t ite
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extern int32_t G_GetStringTile(int32_t font, char *t, int32_t f);
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extern vec2_t G_ScreenTextSize(const int32_t font, int32_t x, int32_t y, const int32_t z, const int32_t blockangle, const char *str, const int32_t o, int32_t xspace, int32_t yline, int32_t xbetween, int32_t ybetween, const int32_t f, const int32_t x1, const int32_t y1, const int32_t x2, const int32_t y2);
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extern void G_AddCoordsFromRotation(vec2_t *coords, const vec2_t *unitDirection, const int32_t magnitude);
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extern vec2_t G_ScreenText(const int32_t font, int32_t x, int32_t y, const int32_t z, const int32_t blockangle, const int32_t charangle, const char *str, const int32_t shade, int32_t pal, int32_t o, const int32_t alpha, int32_t xspace, int32_t yline, int32_t xbetween, int32_t ybetween, const int32_t f, int32_t x1, int32_t y1, int32_t x2, int32_t y2);
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extern vec2_t G_ScreenText(const int32_t font, int32_t x, int32_t y, const int32_t z, const int32_t blockangle, const int32_t charangle, const char *str, const int32_t shade, int32_t pal, int32_t o, int32_t alpha, int32_t xspace, int32_t yline, int32_t xbetween, int32_t ybetween, const int32_t f, int32_t x1, int32_t y1, int32_t x2, int32_t y2);
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extern vec2_t G_ScreenTextShadow(int32_t sx, int32_t sy, const int32_t font, int32_t x, int32_t y, const int32_t z, const int32_t blockangle, const int32_t charangle, const char *str, const int32_t shade, int32_t pal, int32_t o, const int32_t alpha, int32_t xspace, int32_t yline, int32_t xbetween, int32_t ybetween, const int32_t f, int32_t x1, int32_t y1, int32_t x2, int32_t y2);
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#define NEG_ALPHA_TO_BLEND(alpha, blend, orientation) do { \
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if (alpha < 0) { blend = -alpha; alpha = 0; orientation |= RS_TRANS1; } \
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} while (0)
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int32_t app_main(int32_t argc,const char **argv);
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void fadepal(int32_t r,int32_t g,int32_t b,int32_t start,int32_t end,int32_t step);
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//void fadepaltile(int32_t r,int32_t g,int32_t b,int32_t start,int32_t end,int32_t step,int32_t tile);
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@ -2741,6 +2741,8 @@ nullquote:
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int32_t x1=Gv_GetVarX(*insptr++), y1=Gv_GetVarX(*insptr++);
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int32_t x2=Gv_GetVarX(*insptr++), y2=Gv_GetVarX(*insptr++);
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int32_t blendidx = 0;
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if (tw != CON_ROTATESPRITE16 && !(orientation&ROTATESPRITE_FULL16))
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{
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x<<=16;
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@ -2761,7 +2763,9 @@ nullquote:
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orientation &= (ROTATESPRITE_MAX-1);
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rotatesprite_(x,y,z,a,tilenum,shade,pal,2|orientation,alpha,0,x1,y1,x2,y2);
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NEG_ALPHA_TO_BLEND(alpha, blendidx, orientation);
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rotatesprite_(x,y,z,a,tilenum,shade,pal,2|orientation,alpha,blendidx,x1,y1,x2,y2);
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continue;
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}
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@ -408,8 +408,14 @@ function _rotspr(x, y, zoom, ang, tilenum, shade, pal, orientation,
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error(format("invalid coordinates (%.03f, %.03f)", x, y), 2)
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end
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local blendidx = 0
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if (alpha < 0) then
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blendidx = -alpha
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alpha = 0
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end
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ffiC.rotatesprite_(x, y, zoom, ang, tilenum, shade, pal, bor(2,orientation),
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alpha, 0, cx1, cy1, cx2, cy2)
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alpha, blendidx, cx1, cy1, cx2, cy2)
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end
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-- The external legacy tile drawing function for Lunatic.
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@ -699,7 +699,7 @@ typedef struct {
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} vec2_t;
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vec2_t G_ScreenText(const int32_t font,
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int32_t x, int32_t y, const int32_t z, const int32_t blockangle, const int32_t charangle,
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const char *str, const int32_t shade, int32_t pal, int32_t o, const int32_t alpha,
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const char *str, const int32_t shade, int32_t pal, int32_t o, int32_t alpha,
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int32_t xspace, int32_t yline, int32_t xbetween, int32_t ybetween, const int32_t f,
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const int32_t x1, const int32_t y1, const int32_t x2, const int32_t y2);
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vec2_t G_ScreenTextSize(const int32_t font,
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@ -62,6 +62,7 @@ gamevar x2 0 0
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gamevar y2 0 0
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gamevar temp 0 0
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gamevar doaddtvblend 0 0
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state resetbounds
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setvarvar x1 windowx1
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@ -178,14 +179,32 @@ onevent EVENT_DISPLAYREST
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xorvar f TEXT_UPPERCASE
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state increment_line
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// Calculate periodically cycling alpha value
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// Calculate periodically cycling alpha value. PERIODIC_ALPHA.
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setvarvar temp totalclock
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shiftvarl temp 2
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sin alpha temp // alpha is now in [-2^14 .. 2^14]
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shiftvarr alpha 7 // [-2^7 .. 2^7]
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addvar alpha 128 // [0 .. 256]
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ifvarg alpha 255 setvar alpha 255
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ifvarg alpha 254 { setvar alpha 255 setvar doaddtvblend 1 }
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else ifvarl alpha 2 { setvar doaddtvblend 0 }
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ifvare doaddtvblend 1
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{
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shiftvarr alpha 2 // [0 63]
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ifvarg alpha 31
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{
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setvar temp 63
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subvarvar temp alpha
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setvarvar alpha temp
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orvar o 32 // RS_TRANS2
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}
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// alpha now in [0 .. 31]
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addvar alpha 101 // additive translucency tables are assumed to be at [101 .. 132]
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mulvar alpha -1
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}
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// divider line
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rotatespritea 240 65 32768 512 WINDOWBORDER1 0 2 0 85 x1 y1 x2 y2
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@ -324,4 +343,7 @@ onevent EVENT_DISPLAYREST
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screentext font 10 100 z 1536 charangle 1020 shade pal o 85 xspace yline xbetween ybetween f x1 y1 x2 y2
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orvar f TEXT_LITERALESCAPE
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screentext font 20 100 z 1536 charangle 1020 shade pal o 170 xspace yline xbetween ybetween f x1 y1 x2 y2
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ifvarand o 32 xorvar o 32 // clear RS_TRANS2
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setvar alpha 0 // Clear alpha so it's only active from PERIODIC_ALPHA to here.
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endevent
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