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Clean stuff for mirrors. 

git-svn-id: https://svn.eduke32.com/eduke32@696 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
plagman 2008-04-06 03:00:39 +00:00
parent dec6b86722
commit 369d848650
2 changed files with 302 additions and 225 deletions
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10
polymer/build/include/polymer.h
View File

@ -78,7 +78,6 @@ typedef struct s_prsector {
char floorpal, floorxpanning, floorypanning;
char controlstate; // 1: up to date, 2: just allocated
char drawingstate; // 0: fcuk, 1: in queue, 2: todraw, 3: drawn
unsigned int invalidid;
} _prsector;
@ -128,10 +127,12 @@ void polymer_drawsprite(int snum);
# ifdef POLYMER_C
// CORE
static void polymer_displayrooms(short sectnum);
static void polymer_inb4mirror(short sectnum);
// SECTORS
static int polymer_initsector(short sectnum);
static int polymer_updatesector(short sectnum);
void PR_CALLBACK polymer_tesscombine(GLdouble v[3], GLdouble *data[4], GLfloat weight[4], GLdouble **out);
void PR_CALLBACK polymer_tesserror(GLenum error);
void PR_CALLBACK polymer_tessedgeflag(GLenum error);
void PR_CALLBACK polymer_tessvertex(void* vertex, void* sector);
@ -143,8 +144,9 @@ static void polymer_updatewall(short wallnum);
static void polymer_drawwall(short wallnum);
// HSR
static void polymer_pokesector(short sectnum);
static void polymer_extractfrustum(GLdouble* modelview, GLdouble* projection);
static int polymer_portalinfrustum(short wallnum);
static void polymer_extractfrustum(GLdouble* modelview, GLdouble* projection, float* frustum);
static int polymer_portalinfrustum(short wallnum, float* frustum);
static void polymer_scansprites(short sectnum);
// SKIES
static void polymer_initskybox(void);
static void polymer_getsky(void);

517
polymer/build/src/polymer.c
View File

@ -10,6 +10,7 @@ int pr_fov = 426; // appears to be the classic setting.
int pr_billboardingmode = 0;
int pr_verbosity = 1; // 0: silent, 1: errors and one-times, 2: multiple-times, 3: flood
int pr_wireframe = 0;
int pr_mirrordepth = 1;
int glerror;
@ -42,30 +43,21 @@ GLfloat horizsprite[4 * 5] = {
};
// CONTROL
float pos[3], spos[3];
float frustum[5 * 4];
int front;
int back;
int firstback;
short sectorqueue[MAXSECTORS];
short querydelay[MAXSECTORS];
GLdouble modelviewmatrix[16];
GLdouble spritemodelview[16];
GLdouble rootmodelviewmatrix[16];
GLdouble *curmodelviewmatrix;
GLdouble projectionmatrix[16];
GLint viewport[4];
int updatesectors = 1;
int depth;
GLUtesselator* prtess;
int tempverticescount;
GLdouble tempvertice[3];
short cursky;
short viewangle;
short viewangle;
int rootsectnum;
// EXTERNAL FUNCTIONS
int polymer_init(void)
@ -128,8 +120,6 @@ void polymer_glinit(void)
bglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
bglViewport(0, 0, xdim, ydim);
bglGetIntegerv(GL_VIEWPORT, viewport);
// texturing
bglEnable(GL_TEXTURE_2D);
bglTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT);
@ -169,6 +159,9 @@ void polymer_glinit(void)
bglEnable(GL_CULL_FACE);
bglCullFace(GL_BACK);
// this probably shouldn't be here
depth = 0;
}
void polymer_loadboard(void)
@ -199,17 +192,12 @@ void polymer_loadboard(void)
void polymer_drawrooms(int daposx, int daposy, int daposz, short daang, int dahoriz, short dacursectnum)
{
short cursectnum;
int i, j;
int i;
float ang, horizang, tiltang;
sectortype *sec, *nextsec;
walltype *wal, *nextwal;
spritetype *spr;
GLint result;
float pos[3];
if (pr_verbosity >= 3) OSD_Printf("PR : Drawing rooms...\n");
viewangle = daang;
ang = (float)(daang) / (2048.0f / 360.0f);
horizang = (float)(100 - dahoriz) / (512.0f / 180.0f);
tiltang = (gtang * 90.0f);
@ -233,10 +221,7 @@ void polymer_drawrooms(int daposx, int daposy, int daposz, short
bglScalef(1.0f / 1000.0f, 1.0f / 16000.0f, 1.0f / 1000.0f);
bglTranslatef(-pos[0], -pos[1], -pos[2]);
// get the new modelview
bglGetDoublev(GL_MODELVIEW_MATRIX, modelviewmatrix);
polymer_extractfrustum(modelviewmatrix, projectionmatrix);
bglGetDoublev(GL_MODELVIEW_MATRIX, rootmodelviewmatrix);
cursectnum = dacursectnum;
updatesector(daposx, daposy, &cursectnum);
@ -251,6 +236,8 @@ void polymer_drawrooms(int daposx, int daposy, int daposz, short
while (i < numsectors)
{
polymer_updatesector(i);
polymer_drawsector(i);
polymer_scansprites(i);
i++;
}
@ -258,29 +245,19 @@ void polymer_drawrooms(int daposx, int daposy, int daposz, short
while (i < numwalls)
{
polymer_updatewall(i);
i++;
}
i = 0;
while (i < numsectors)
{
polymer_drawsector(i);
i++;
}
i = 0;
while (i < numwalls)
{
polymer_drawwall(i);
i++;
}
viewangle = daang;
return;
}
rootsectnum = dacursectnum;
// unflag all sectors
i = 0;
while (i < numsectors)
{
prsectors[i]->drawingstate = 0;
prsectors[i]->controlstate = 0;
prsectors[i]->wallsproffset = 0.0f;
prsectors[i]->floorsproffset = 0.0f;
@ -293,153 +270,11 @@ void polymer_drawrooms(int daposx, int daposy, int daposz, short
i++;
}
// GO
front = 0;
back = 0;
// GO!
polymer_displayrooms(dacursectnum);
polymer_pokesector(dacursectnum);
polymer_drawsector(dacursectnum);
prsectors[dacursectnum]->drawingstate = 1;
sec = &sector[dacursectnum];
wal = &wall[sec->wallptr];
// scan sprites
for (j = headspritesect[dacursectnum];j >=0;j = nextspritesect[j])
{
spr = &sprite[j];
if ((((spr->cstat&0x8000) == 0) || (showinvisibility)) &&
(spr->xrepeat > 0) && (spr->yrepeat > 0) &&
(spritesortcnt < MAXSPRITESONSCREEN))
{
copybufbyte(spr,&tsprite[spritesortcnt],sizeof(spritetype));
tsprite[spritesortcnt++].owner = j;
}
}
i = 0;
while (i < sec->wallnum)
{
if ((wallvisible(sec->wallptr + i)) &&
(polymer_portalinfrustum(sec->wallptr + i)))
{
polymer_drawwall(sec->wallptr + i);
// mask
if ((wal->cstat&48) == 16) maskwall[maskwallcnt++] = sec->wallptr + i;
//thewall[maskwall[maskwallcnt++]] = sec->wallptr + i;
if ((wal->nextsector != -1) &&
(prsectors[wal->nextsector]->drawingstate == 0))
{
sectorqueue[back++] = wal->nextsector;
prsectors[wal->nextsector]->drawingstate = 1;
}
}
i++;
wal = &wall[sec->wallptr + i];
}
firstback = back;
while (front != back)
{
if ((front >= firstback) && (pr_occlusionculling) && (!querydelay[sectorqueue[front] + 1]))
{
bglGetQueryObjectivARB(sectorqueue[front] + 1,
GL_QUERY_RESULT_ARB,
&result);
if (!result)
{
front++;
continue;
}
else
querydelay[sectorqueue[front] + 1] = pr_occlusionculling-1;
}
else if ((front >= firstback) && (pr_occlusionculling) && (querydelay[sectorqueue[front] + 1]))
querydelay[sectorqueue[front] + 1]--;
polymer_pokesector(sectorqueue[front]);
polymer_drawsector(sectorqueue[front]);
// scan sectors
sec = &sector[sectorqueue[front]];
wal = &wall[sec->wallptr];
i = 0;
while (i < sec->wallnum)
{
if ((wallvisible(sec->wallptr + i)) &&
(polymer_portalinfrustum(sec->wallptr + i)))
{
polymer_drawwall(sec->wallptr + i);
// mask
if ((wal->cstat&48) == 16) maskwall[maskwallcnt++] = sec->wallptr + i;
//thewall[maskwall[maskwallcnt++]] = sec->wallptr + i;
if ((wal->nextsector != -1) &&
(prsectors[wal->nextsector]->drawingstate == 0))
{
polymer_pokesector(wal->nextsector);
sectorqueue[back++] = wal->nextsector;
prsectors[wal->nextsector]->drawingstate = 1;
if (pr_occlusionculling && !querydelay[wal->nextsector + 1])
{
nextsec = &sector[wal->nextsector];
nextwal = &wall[nextsec->wallptr];
bglDisable(GL_TEXTURE_2D);
bglDisable(GL_FOG);
bglColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
bglDepthMask(GL_FALSE);
bglBeginQueryARB(GL_SAMPLES_PASSED_ARB, wal->nextsector + 1);
j = 0;
while (j < nextsec->wallnum)
{
if ((nextwal->nextwall == (sec->wallptr + i)) ||
((nextwal->nextwall != -1) &&
(wallvisible(nextwal->nextwall)) &&
(polymer_portalinfrustum(nextwal->nextwall))))
{
bglVertexPointer(3, GL_FLOAT, 5 * sizeof(GLfloat), prwalls[nextwal->nextwall]->portal);
bglDrawArrays(GL_QUADS, 0, 4);
}
j++;
nextwal = &wall[nextsec->wallptr + j];
}
bglEndQueryARB(GL_SAMPLES_PASSED_ARB);
bglDepthMask(GL_TRUE);
bglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
bglEnable(GL_FOG);
bglEnable(GL_TEXTURE_2D);
}
}
}
i++;
wal = &wall[sec->wallptr + i];
}
// scan sprites
for (j = headspritesect[sectorqueue[front]];j >=0;j = nextspritesect[j])
{
spr = &sprite[j];
if ((((spr->cstat&0x8000) == 0) || (showinvisibility)) &&
(spr->xrepeat > 0) && (spr->yrepeat > 0) &&
(spritesortcnt < MAXSPRITESONSCREEN))
{
copybufbyte(spr,&tsprite[spritesortcnt],sizeof(spritetype));
tsprite[spritesortcnt++].owner = j;
}
}
front++;
}
viewangle = daang;
curmodelviewmatrix = rootmodelviewmatrix;
if (pr_verbosity >= 3) OSD_Printf("PR : Rooms drawn.\n");
}
@ -499,6 +334,7 @@ void polymer_drawsprite(int snum)
spritetype *tspr;
pthtyp* pth;
float color[4], xratio, ang, *curspritedata;
float spos[3];
if (pr_verbosity >= 3) OSD_Printf("PR : Sprite %i...\n", snum);
@ -562,18 +398,18 @@ void polymer_drawsprite(int snum)
bglMatrixMode(GL_MODELVIEW);
bglPushMatrix();
spritemodelview[12] = modelviewmatrix[0] * spos[0] +
modelviewmatrix[4] * spos[1] +
modelviewmatrix[8] * spos[2] +
modelviewmatrix[12];
spritemodelview[13] = modelviewmatrix[1] * spos[0] +
modelviewmatrix[5] * spos[1] +
modelviewmatrix[9] * spos[2] +
modelviewmatrix[13];
spritemodelview[14] = modelviewmatrix[2] * spos[0] +
modelviewmatrix[6] * spos[1] +
modelviewmatrix[10] * spos[2] +
modelviewmatrix[14];
spritemodelview[12] = curmodelviewmatrix[0] * spos[0] +
curmodelviewmatrix[4] * spos[1] +
curmodelviewmatrix[8] * spos[2] +
curmodelviewmatrix[12];
spritemodelview[13] = curmodelviewmatrix[1] * spos[0] +
curmodelviewmatrix[5] * spos[1] +
curmodelviewmatrix[9] * spos[2] +
curmodelviewmatrix[13];
spritemodelview[14] = curmodelviewmatrix[2] * spos[0] +
curmodelviewmatrix[6] * spos[1] +
curmodelviewmatrix[10] * spos[2] +
curmodelviewmatrix[14];
bglLoadMatrixd(spritemodelview);
bglRotatef((gtang * 90.0f), 0.0f, 0.0f, -1.0f);
@ -640,6 +476,202 @@ void polymer_drawsprite(int snum)
bglPopMatrix();
}
// CORE
static void polymer_displayrooms(short dacursectnum)
{
sectortype *sec, *nextsec;
walltype *wal, *nextwal;
int i, j;
GLint result;
int front;
int back;
int firstback;
short sectorqueue[MAXSECTORS];
short querydelay[MAXSECTORS];
GLuint queryid[MAXSECTORS];
short drawingstate[MAXSECTORS];
GLdouble localmodelviewmatrix[16];
float frustum[5 * 4];
if (depth)
{
curmodelviewmatrix = localmodelviewmatrix;
bglGetDoublev(GL_MODELVIEW_MATRIX, localmodelviewmatrix);
}
else
curmodelviewmatrix = rootmodelviewmatrix;
polymer_extractfrustum(curmodelviewmatrix, projectionmatrix, frustum);
memset(querydelay, 0, sizeof(short) * MAXSECTORS);
memset(queryid, 0, sizeof(GLuint) * MAXSECTORS);
memset(drawingstate, 0, sizeof(short) * MAXSECTORS);
front = 0;
back = 0;
polymer_pokesector(dacursectnum);
polymer_drawsector(dacursectnum);
polymer_scansprites(dacursectnum);
drawingstate[dacursectnum] = 1;
sec = &sector[dacursectnum];
wal = &wall[sec->wallptr];
i = 0;
while (i < sec->wallnum)
{
if ((wallvisible(sec->wallptr + i)) &&
(polymer_portalinfrustum(sec->wallptr + i, frustum)))
{
polymer_drawwall(sec->wallptr + i);
// mask
if ((wal->cstat&48) == 16) maskwall[maskwallcnt++] = sec->wallptr + i;
if ((wal->nextsector != -1) &&
(drawingstate[wal->nextsector] == 0))
{
sectorqueue[back++] = wal->nextsector;
drawingstate[wal->nextsector] = 1;
}
}
i++;
wal = &wall[sec->wallptr + i];
}
firstback = back;
while (front != back)
{
if ((front >= firstback) && (pr_occlusionculling) && (!querydelay[sectorqueue[front]]))
{
bglGetQueryObjectivARB(queryid[sectorqueue[front]],
GL_QUERY_RESULT_ARB,
&result);
bglDeleteQueriesARB(1, &queryid[sectorqueue[front]]);
if (!result)
{
front++;
continue;
}
else
querydelay[sectorqueue[front]] = pr_occlusionculling-1;
}
else if ((front >= firstback) && (pr_occlusionculling) && (querydelay[sectorqueue[front]]))
querydelay[sectorqueue[front]]--;
polymer_pokesector(sectorqueue[front]);
polymer_drawsector(sectorqueue[front]);
polymer_scansprites(sectorqueue[front]);
// scan sectors
sec = &sector[sectorqueue[front]];
wal = &wall[sec->wallptr];
i = 0;
while (i < sec->wallnum)
{
if ((wallvisible(sec->wallptr + i)) &&
(polymer_portalinfrustum(sec->wallptr + i, frustum)))
{
polymer_drawwall(sec->wallptr + i);
// mask
if ((wal->cstat&48) == 16) maskwall[maskwallcnt++] = sec->wallptr + i;
if ((wal->nextsector != -1) &&
(drawingstate[wal->nextsector] == 0))
{
polymer_pokesector(wal->nextsector);
sectorqueue[back++] = wal->nextsector;
drawingstate[wal->nextsector] = 1;
if (pr_occlusionculling && !querydelay[wal->nextsector])
{
nextsec = &sector[wal->nextsector];
nextwal = &wall[nextsec->wallptr];
bglDisable(GL_TEXTURE_2D);
bglDisable(GL_FOG);
bglColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
bglDepthMask(GL_FALSE);
bglGenQueriesARB(1, &queryid[wal->nextsector]);
bglBeginQueryARB(GL_SAMPLES_PASSED_ARB, queryid[wal->nextsector]);
j = 0;
while (j < nextsec->wallnum)
{
if ((nextwal->nextwall == (sec->wallptr + i)) ||
((nextwal->nextwall != -1) &&
(wallvisible(nextwal->nextwall)) &&
(polymer_portalinfrustum(nextwal->nextwall, frustum))))
{
bglVertexPointer(3, GL_FLOAT, 5 * sizeof(GLfloat), prwalls[nextwal->nextwall]->portal);
bglDrawArrays(GL_QUADS, 0, 4);
}
j++;
nextwal = &wall[nextsec->wallptr + j];
}
bglEndQueryARB(GL_SAMPLES_PASSED_ARB);
bglDepthMask(GL_TRUE);
bglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
bglEnable(GL_FOG);
bglEnable(GL_TEXTURE_2D);
}
}
}
i++;
wal = &wall[sec->wallptr + i];
}
front++;
}
if (depth)
{
drawmasks();
}
}
static void polymer_inb4mirror(short sectnum)
{
float pv;
float normal[3];
float reflectionmatrix[16];
normal[0] = 0.0f;
normal[1] = -1.0f;
normal[2] = 0.0f;
pv = prsectors[sectnum]->floorbuffer[0] * normal[0] +
prsectors[sectnum]->floorbuffer[1] * normal[1] +
prsectors[sectnum]->floorbuffer[2] * normal[2];
reflectionmatrix[0] = 1 - (2 * normal[0] * normal[0]);
reflectionmatrix[1] = -2 * normal[0] * normal[1];
reflectionmatrix[2] = -2 * normal[0] * normal[2];
reflectionmatrix[3] = 0;
reflectionmatrix[4] = -2 * normal[0] * normal[1];
reflectionmatrix[5] = 1 - (2 * normal[1] * normal[1]);
reflectionmatrix[6] = -2 * normal[1] * normal[2];
reflectionmatrix[7] = 0;
reflectionmatrix[8] = -2 * normal[0] * normal[2];
reflectionmatrix[9] = -2 * normal[1] * normal[2];
reflectionmatrix[10] = 1 - (2 * normal[2] * normal[2]);
reflectionmatrix[11] = 0;
reflectionmatrix[12] = 2 * pv * normal[0];
reflectionmatrix[13] = 2 * pv * normal[1];
reflectionmatrix[14] = 2 * pv * normal[2];
reflectionmatrix[15] = 1;
bglMultMatrixf(reflectionmatrix);
}
// SECTORS
static int polymer_initsector(short sectnum)
{
@ -907,24 +939,6 @@ finish:
return (0);
}
void PR_CALLBACK polymer_tesscombine(GLdouble v[3], GLdouble *data[4], GLfloat weight[4], GLdouble **out)
{
// This callback is called by the tesselator when it detects an intersection between contours (HELLO ROTATING SPOTLIGHT IN E1L1).
GLdouble* ptr;
UNREFERENCED_PARAMETER(data);
UNREFERENCED_PARAMETER(weight);
tempvertice[0] = v[0];
tempvertice[1] = v[1];
tempvertice[2] = v[2];
ptr = tempvertice;
*out = tempvertice;
if (pr_verbosity >= 2) OSD_Printf("PR : Created additional geometry for sector tesselation.\n");
}
void PR_CALLBACK polymer_tesserror(GLenum error)
{
// This callback is called by the tesselator whenever it raises an error.
@ -981,7 +995,6 @@ static int polymer_buildfloor(short sectnum)
bgluTessCallback(prtess, GLU_TESS_VERTEX_DATA, polymer_tessvertex);
bgluTessCallback(prtess, GLU_TESS_EDGE_FLAG, polymer_tessedgeflag);
//bgluTessCallback(prtess, GLU_TESS_COMBINE, polymer_tesscombine);
bgluTessCallback(prtess, GLU_TESS_ERROR, polymer_tesserror);
bgluTessProperty(prtess, GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_POSITIVE);
@ -1034,6 +1047,40 @@ static void polymer_drawsector(short sectnum)
polymer_updatesector(sectnum);
}
// if (depth < 1)
// {
// //bglDisable(GL_DEPTH_TEST);
// bglColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
//
// bglEnable(GL_STENCIL_TEST);
// bglStencilOp(GL_KEEP, GL_KEEP, GL_INCR);
// bglStencilFunc(GL_EQUAL, 0, 0xffffffff);
//
// bglVertexPointer(3, GL_FLOAT, 5 * sizeof(GLfloat), s->floorbuffer);
// bglTexCoordPointer(2, GL_FLOAT, 5 * sizeof(GLfloat), &s->floorbuffer[3]);
// bglDrawElements(GL_TRIANGLES, s->indicescount, GL_UNSIGNED_SHORT, s->floorindices);
//
// bglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
// //bglEnable(GL_DEPTH_TEST);
//
// bglStencilFunc(GL_EQUAL, 1, 0xffffffff); /* draw if stencil ==1 */
// bglStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
//
// bglMatrixMode(GL_MODELVIEW);
// bglPushMatrix();
// polymer_inb4mirror(sectnum);
// bglCullFace(GL_FRONT);
// depth++;
// bglDepthFunc(GL_GREATER);
// polymer_displayrooms(rootsectnum);
// bglDepthFunc(GL_LEQUAL);
// depth--;
// bglCullFace(GL_BACK);
// bglMatrixMode(GL_MODELVIEW);
// bglPopMatrix();
// //bglDisable(GL_DEPTH_TEST);
// }
// floor
if (sec->floorstat & 1)
bglColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE);
@ -1053,7 +1100,12 @@ static void polymer_drawsector(short sectnum)
if (sec->floorstat & 1)
bglColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
// if (!depth)
// {
// //bglEnable(GL_DEPTH_TEST);
// bglDisable(GL_STENCIL_TEST);
// bglClear(GL_STENCIL_BUFFER_BIT);
// }
// ceiling
if (sec->ceilingstat & 1)
@ -1135,7 +1187,10 @@ static void polymer_updatewall(short wallnum)
nsec = &sector[wal->nextsector];
}
else
{
ns = NULL;
nsec = NULL;
}
if (w->wallbuffer == NULL)
w->wallbuffer = calloc(4, sizeof(GLfloat) * 5);
@ -1149,6 +1204,8 @@ static void polymer_updatewall(short wallnum)
nwallpicnum = wall[nwallnum].picnum;
if (picanm[nwallpicnum]&192) nwallpicnum += animateoffs(nwallpicnum,wallnum+16384);
}
else
nwallpicnum = 0;
if ((w->controlstate != 2) &&
(w->invalidid == invalid) &&
@ -1612,7 +1669,7 @@ static void polymer_pokesector(short sectnum)
}
}
static void polymer_extractfrustum(GLdouble* modelview, GLdouble* projection)
static void polymer_extractfrustum(GLdouble* modelview, GLdouble* projection, float* frustum)
{
GLdouble matrix[16];
int i;
@ -1639,7 +1696,7 @@ static void polymer_extractfrustum(GLdouble* modelview, GLdouble* projec
if (pr_verbosity >= 3) OSD_Printf("PR : Frustum extracted.\n");
}
static int polymer_portalinfrustum(short wallnum)
static int polymer_portalinfrustum(short wallnum, float* frustum)
{
int i, j, k;
float sqdist;
@ -1669,6 +1726,24 @@ static int polymer_portalinfrustum(short wallnum)
return (1);
}
static void polymer_scansprites(short sectnum)
{
int i;
spritetype *spr;
for (i = headspritesect[sectnum];i >=0;i = nextspritesect[i])
{
spr = &sprite[i];
if ((((spr->cstat&0x8000) == 0) || (showinvisibility)) &&
(spr->xrepeat > 0) && (spr->yrepeat > 0) &&
(spritesortcnt < MAXSPRITESONSCREEN))
{
copybufbyte(spr,&tsprite[spritesortcnt],sizeof(spritetype));
tsprite[spritesortcnt++].owner = i;
}
}
}
// SKIES
static void polymer_initskybox(void)
{