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rotatesprite hack from Fox

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git-svn-id: https://svn.eduke32.com/eduke32@7321 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2019-01-30 00:19:56 +00:00
parent 7a8e368197
commit 8e50f47aa4
6 changed files with 23 additions and 0 deletions
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3
source/build/include/build.h
View file

@ -668,6 +668,9 @@ EXTERN int32_t xdim, ydim, numpages, upscalefactor;
EXTERN int32_t yxaspect, viewingrange;
EXTERN intptr_t *ylookup;
EXTERN int32_t rotatesprite_y_offset;
EXTERN int32_t rotatesprite_yxaspect;
#ifndef GEKKO
#define MAXVALIDMODES 256
#else

2
source/build/src/baselayer.cpp
View file

@ -118,6 +118,8 @@ int32_t mouseReadAbs(vec2_t * const pResult, vec2_t const * const pInput)
pResult->x = scale(pInput->x, xwidth, xres) - ((xwidth>>1) - (320<<15));
pResult->y = scale(pInput->y, 200<<16, yres);
pResult->y = divscale16(pResult->y - (200<<15), rotatesprite_yxaspect) + (200<<15) - rotatesprite_y_offset;
return 1;
}

9
source/build/src/engine.cpp
View file

@ -6379,6 +6379,8 @@ void dorotspr_handle_bit2(int32_t *sxptr, int32_t *syptr, int32_t *z, int32_t da
int32_t zoomsc, sx=*sxptr, sy=*syptr;
int32_t ouryxaspect = yxaspect, ourxyaspect = xyaspect;
sy += rotatesprite_y_offset;
// screen center to s[xy], 320<<16 coords.
const int32_t normxofs = sx-(320<<15), normyofs = sy-(200<<15);
@ -6393,6 +6395,9 @@ void dorotspr_handle_bit2(int32_t *sxptr, int32_t *syptr, int32_t *z, int32_t da
ourxyaspect = (10<<16)/12;
}
ouryxaspect = mulscale16(ouryxaspect, rotatesprite_yxaspect);
ourxyaspect = divscale16(ourxyaspect, rotatesprite_yxaspect);
// nasty hacks go here
if (!(dastat & RS_NOCLIP))
{
@ -6414,6 +6419,7 @@ void dorotspr_handle_bit2(int32_t *sxptr, int32_t *syptr, int32_t *z, int32_t da
sx = ((twice_midcx+xbord)<<15) + scaledxofs;
zoomsc = xdimenscale; //= scale(xdimen,yxaspect,320);
zoomsc = mulscale16(zoomsc, rotatesprite_yxaspect);
if ((dastat & RS_ALIGN_MASK) == RS_ALIGN_MASK)
zoomsc = scale(zoomsc, ydim, oydim);
@ -7692,6 +7698,9 @@ int32_t engineInit(void)
xyaspect = -1;
rotatesprite_y_offset = 0;
rotatesprite_yxaspect = 65536;
showinvisibility = 0;
for (i=1; i<1024; i++)

2
source/duke3d/src/gamedef.h
View file

@ -625,6 +625,8 @@ enum UserdefsLabel_t
USERDEFS_RETURN,
USERDEFS_USERBYTEVERSION,
USERDEFS_AUTOSAVE,
USERDEFS_DRAW_Y,
USERDEFS_DRAW_YXASPECT,
USERDEFS_END
};

6
source/duke3d/src/gamestructures.cpp
View file

@ -1344,6 +1344,8 @@ const memberlabel_t UserdefsLabels[]=
{ "return", USERDEFS_RETURN, LABEL_HASPARM2, MAX_RETURN_VALUES, -1 },
{ "userbyteversion", USERDEFS_USERBYTEVERSION, 0, 0, -1 },
{ "autosave", USERDEFS_AUTOSAVE, 0, 0, -1 },
{ "draw_y", USERDEFS_DRAW_Y, 0, 0, -1 },
{ "draw_yxaspect", USERDEFS_DRAW_YXASPECT, 0, 0, -1 },
};
int32_t __fastcall VM_GetUserdef(int32_t labelNum, int const lParm2)
@ -1531,6 +1533,8 @@ int32_t __fastcall VM_GetUserdef(int32_t labelNum, int const lParm2)
break;
case USERDEFS_USERBYTEVERSION: labelNum = ud.userbytever; break;
case USERDEFS_AUTOSAVE: labelNum = ud.autosave; break;
case USERDEFS_DRAW_Y: labelNum = rotatesprite_y_offset; break;
case USERDEFS_DRAW_YXASPECT: labelNum = rotatesprite_yxaspect; break;
default: EDUKE32_UNREACHABLE_SECTION(labelNum = -1; break);
}
@ -1730,6 +1734,8 @@ void __fastcall VM_SetUserdef(int const labelNum, int const lParm2, int32_t cons
break;
case USERDEFS_USERBYTEVERSION: ud.userbytever = iSet; break;
case USERDEFS_AUTOSAVE: ud.autosave = iSet; break;
case USERDEFS_DRAW_Y: rotatesprite_y_offset = iSet; break;
case USERDEFS_DRAW_YXASPECT: rotatesprite_yxaspect = iSet; break;
}
}

1
source/duke3d/src/menus.cpp
View file

@ -4357,6 +4357,7 @@ static int32_t xdim_from_320_16(int32_t x)
}
static int32_t ydim_from_200_16(int32_t y)
{
y = mulscale16(y + rotatesprite_y_offset - (200<<15), rotatesprite_yxaspect) + (200<<15);
return scale(y, ydim, 200<<16);
}