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https://github.com/ZDoom/raze-gles.git
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Fix TROR & skyboxes to work with mirrors in Software & Polymost
git-svn-id: https://svn.eduke32.com/eduke32@7733 1a8010ca-5511-0410-912e-c29ae57300e0
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6 changed files with 80 additions and 49 deletions
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@ -1368,6 +1368,8 @@ static int32_t *swplc, *lplc, *swall, *lwall;
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static float *swallf;
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#endif
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uint8_t* mirrorBuffer;
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static int32_t smostcnt;
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static int32_t smoststart[MAXWALLSB];
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static char smostwalltype[MAXWALLSB];
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@ -1467,7 +1469,7 @@ int16_t searchsector, searchwall, searchstat; //search output
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// When aiming at a 2-sided wall, 1 if aiming at the bottom part, 0 else
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int16_t searchbottomwall, searchisbottom;
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char inpreparemirror = 0, mirrorrender = 0;
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char inpreparemirror = 0;
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static int32_t mirrorsx1, mirrorsy1, mirrorsx2, mirrorsy2;
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#define MAXSETVIEW 4
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@ -8025,8 +8027,6 @@ int32_t renderDrawRoomsQ16(int32_t daposx, int32_t daposy, int32_t daposz,
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int32_t i, j, /*cz, fz,*/ closest;
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int16_t *shortptr1, *shortptr2;
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int32_t didmirror = 0;
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beforedrawrooms = 0;
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set_globalpos(daposx, daposy, daposz);
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@ -8183,7 +8183,7 @@ int32_t renderDrawRoomsQ16(int32_t daposx, int32_t daposy, int32_t daposz,
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polymost_drawrooms();
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if (videoGetRenderMode() != REND_CLASSIC)
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return 0;
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return inpreparemirror;
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//============================================================================= //POLYMOST ENDS
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#endif
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@ -8236,16 +8236,14 @@ int32_t renderDrawRoomsQ16(int32_t daposx, int32_t daposy, int32_t daposz,
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// INPREPAREMIRROR_NO_BUNCHES
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// numbunches==0 can happen if the mirror is far away... the game code decides
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// to draw it, but scansector gets zero bunches. Result: big screwup!
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// Leave inpreparemirror as is, it's restored by completemirror.
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// Set inpreparemirror to 0 to indicate that we were unable to render the mirror
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if (numbunches==0)
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{
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inpreparemirror = 0;
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videoEndDrawing(); //!!!
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return 0;
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}
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inpreparemirror = 0;
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didmirror = 1;
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mirrorsx1 = xdimen-1; mirrorsx2 = 0;
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for (i=numscans-1; i>=0; i--)
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{
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@ -8301,7 +8299,7 @@ int32_t renderDrawRoomsQ16(int32_t daposx, int32_t daposy, int32_t daposz,
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videoEndDrawing(); //}}}
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return didmirror;
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return inpreparemirror;
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}
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// UTILITY TYPES AND FUNCTIONS FOR DRAWMASKS OCCLUSION TREE
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@ -9962,6 +9960,7 @@ static void videoAllocateBuffers(void)
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{ (void **)&dotp1, clamped_ydim * sizeof(intptr_t) },
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{ (void **)&dotp2, clamped_ydim * sizeof(intptr_t) },
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{ (void **)&lastx, clamped_ydim * sizeof(int32_t) },
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{ (void **)&mirrorBuffer, (size_t) (xdim * ydim)},
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};
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for (i = 0; i < (signed)ARRAY_SIZE(dynarray); i++)
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@ -11701,7 +11700,6 @@ void squarerotatetile(int16_t tilenume)
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void renderPrepareMirror(int32_t dax, int32_t day, fix16_t daang, int16_t dawall,
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int32_t *tposx, int32_t *tposy, fix16_t *tang)
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{
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mirrorrender = 1;
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const int32_t x = wall[dawall].x, dx = wall[wall[dawall].point2].x-x;
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const int32_t y = wall[dawall].y, dy = wall[wall[dawall].point2].y-y;
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@ -11764,15 +11762,15 @@ void renderPrepareMirrorOld(int32_t dax, int32_t day, int32_t daz, fix16_t daang
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//
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void renderCompleteMirror(void)
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{
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mirrorrender = 0;
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// Don't try to complete a mirror if we haven't drawn the reflection for one
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if (!inpreparemirror) { return; }
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inpreparemirror = 0;
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#ifdef USE_OPENGL
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if (videoGetRenderMode() != REND_CLASSIC)
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return;
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#endif
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// Can't reverse when the world has not yet been drawn from the other side.
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if (inpreparemirror) { inpreparemirror = 0; return; }
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// The mirroring code maps the rightmost pixel to the right neighbor of the
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// leftmost one (see copybufreverse() call below). Thus, the leftmost would
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// be mapped to the right neighbor of the rightmost one, which would be out
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@ -11795,22 +11793,21 @@ void renderCompleteMirror(void)
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int const height = mirrorsy2-mirrorsy1;
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// Address of the mirror wall's top left corner in the source scene:
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intptr_t p = frameplace + ylookup[windowxy1.y+mirrorsy1] + windowxy1.x+mirrorsx1;
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intptr_t s = (intptr_t) mirrorBuffer + ylookup[windowxy1.y+mirrorsy1] + windowxy1.x+mirrorsx1;
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// Offset (wrt p) of a mirror line's left corner in the destination:
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// p+destof == frameplace + ylookup[...] + windowxy2.x-mirrorsx2
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int const destofs = windowxy2.x-mirrorsx2-windowxy1.x-mirrorsx1;
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// Pointer to the mirror line's left corner in the destination:
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intptr_t d = (intptr_t) frameplace + ylookup[windowxy1.y+mirrorsy1] + windowxy2.x-mirrorsx2;
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for (bssize_t y=0; y<height; y++)
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{
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#if 0
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if ((p-frameplace) + width-1 >= bytesperline*ydim)
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if ((p-mirrorBuffer) + width-1 >= bytesperline*ydim)
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printf("oob read: mirrorsx1=%d, mirrorsx2=%d\n", mirrorsx1, mirrorsx2);
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#endif
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copybufbyte((void *)p, tempbuf, width);
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copybufreverse(&tempbuf[width-1], (void *)(p+destofs+1), width);
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copybufreverse((void *)(s+width-1), (void *)(d+1), width);
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p += ylookup[1];
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s += ylookup[1];
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d += ylookup[1];
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faketimerhandler();
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}
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@ -209,6 +209,7 @@ extern int16_t thesector[MAXWALLSB], thewall[MAXWALLSB];
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extern int16_t bunchfirst[MAXWALLSB], bunchlast[MAXWALLSB];
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extern int16_t maskwall[MAXWALLSB], maskwallcnt;
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extern tspriteptr_t tspriteptr[MAXSPRITESONSCREEN + 1];
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extern uint8_t* mirrorBuffer;
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extern int32_t xdimen, xdimenrecip, halfxdimen, xdimenscale, xdimscale, ydimen;
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extern float fxdimen;
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extern intptr_t frameoffset;
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@ -236,7 +237,7 @@ extern int32_t searchx, searchy;
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extern int16_t searchsector, searchwall, searchstat;
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extern int16_t searchbottomwall, searchisbottom;
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extern char inpreparemirror, mirrorrender;
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extern char inpreparemirror;
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extern char picsiz[MAXTILES];
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extern int16_t sectorborder[256];
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@ -5505,7 +5505,7 @@ void polymost_drawrooms()
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gctang = (gctang > 0.f) ? 1.f : -1.f;
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}
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if (mirrorrender)
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if (inpreparemirror)
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gstang = -gstang;
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//Generate viewport trapezoid (for handling screen up/down)
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@ -5525,7 +5525,7 @@ void polymost_drawrooms()
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}
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#if !SOFTROTMAT
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if (mirrorrender)
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if (inpreparemirror)
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gstang = -gstang;
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#endif
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@ -5603,20 +5603,19 @@ void polymost_drawrooms()
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grhalfxdown10x = grhalfxdown10;
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if (mirrorrender)
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grhalfxdown10x = -grhalfxdown10;
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if (inpreparemirror)
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{
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inpreparemirror = 0;
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// see engine.c: INPREPAREMIRROR_NO_BUNCHES
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if (numbunches > 0)
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{
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grhalfxdown10x = -grhalfxdown10;
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polymost_drawalls(0);
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numbunches--;
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bunchfirst[0] = bunchfirst[numbunches];
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bunchlast[0] = bunchlast[numbunches];
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} else
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{
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inpreparemirror = 0;
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}
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}
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@ -1650,21 +1650,22 @@ void videoBeginDrawing(void)
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if (offscreenrendering) return;
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if (inpreparemirror)
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{
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frameplace = (intptr_t)mirrorBuffer;
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}
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else
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#ifdef USE_OPENGL
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if (!nogl)
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{
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frameplace = (intptr_t)glsurface_getBuffer();
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if (modechange)
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{
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bytesperline = xdim;
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calc_ylookup(bytesperline, ydim);
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modechange=0;
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}
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return;
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}
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else
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#endif
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{
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frameplace = (intptr_t)softsurface_getBuffer();
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}
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if (modechange)
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{
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bytesperline = xdim;
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@ -623,17 +623,44 @@ void G_HandleMirror(int32_t x, int32_t y, int32_t z, fix16_t a, fix16_t q16horiz
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int32_t tposx, tposy;
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fix16_t tang;
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//prepare to render any scripted EVENT_DISPLAYROOMS extras as mirrored
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renderPrepareMirror(x, y, a, g_mirrorWall[i], &tposx, &tposy, &tang);
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int32_t j = g_visibility;
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g_visibility = (j>>1) + (j>>2);
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//backup original camera position
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int32_t origCamX = CAMERA(pos.x);
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int32_t origCamY = CAMERA(pos.y);
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int32_t origCamZ = CAMERA(pos.z);
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fix16_t origCamq16ang = CAMERA(q16ang);
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fix16_t origCamq16horiz = CAMERA(q16horiz);
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//set the camera inside the mirror facing out
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CAMERA(pos.x) = tposx;
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CAMERA(pos.y) = tposy;
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CAMERA(pos.z) = z;
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CAMERA(q16ang) = tang;
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CAMERA(q16horiz) = q16horiz;
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display_mirror = 1;
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VM_OnEventWithReturn(EVENT_DISPLAYROOMS, g_player[0].ps->i, 0, 0);
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display_mirror = 0;
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//reset the camera position
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CAMERA(pos.x) = origCamX;
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CAMERA(pos.y) = origCamY;
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CAMERA(pos.z) = origCamZ;
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CAMERA(q16ang) = origCamq16ang;
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CAMERA(q16horiz) = origCamq16horiz;
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//prepare to render the mirror
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renderPrepareMirror(x, y, a, g_mirrorWall[i], &tposx, &tposy, &tang);
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if (videoGetRenderMode() != REND_POLYMER)
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{
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int32_t didmirror;
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yax_preparedrawrooms();
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didmirror = renderDrawRoomsQ16(tposx,tposy,z,tang,q16horiz,g_mirrorSector[i]+MAXSECTORS);
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//POGO: if didmirror == 0, we may simply wish to abort instead of rendering with yax_drawrooms (which may require cleaning yax state)
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yax_drawrooms(G_DoSpriteAnimations, g_mirrorSector[i], didmirror, smoothratio);
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}
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#ifdef USE_OPENGL
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renderCompleteMirror(); //Reverse screen x-wise in this function
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g_visibility = j;
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}
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}
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}
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static void G_ClearGotMirror()
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{
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#ifdef SPLITSCREEN_MOD_HACKS
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if (!g_fakeMultiMode)
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#endif
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gotpic[MIRROR>>3] &= ~(1<<(MIRROR&7));
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}
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}
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}
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#ifdef USE_OPENGL
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static void G_ReadGLFrame(void)
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#endif
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G_HandleMirror(CAMERA(pos.x), CAMERA(pos.y), CAMERA(pos.z), CAMERA(q16ang), CAMERA(q16horiz), smoothRatio);
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G_ClearGotMirror();
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#ifdef LEGACY_ROR
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G_SE40(smoothRatio);
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#endif
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@ -1175,6 +1175,7 @@ LUNATIC_EXTERN void G_ShowView(vec3_t vec, fix16_t a, fix16_t horiz, int sect, i
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if (g_screenCapture)
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return;
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//POGOTODO: check if this has anything to do with cameras not rendering the skybox properly
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if (offscreenrendering)
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{
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videoClearViewableArea(0);
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renderSetAspect(viewingRange, yxAspect);
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int const smoothratio = calc_smoothratio(totalclock, ototalclock);
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G_DoInterpolations(smoothratio);
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if (!display_mirror)
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G_HandleMirror(vec.x, vec.y, vec.z, a, horiz, smoothratio);
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#ifdef POLYMER
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if (videoGetRenderMode() == REND_POLYMER)
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