Polymer texturing and shading.

git-svn-id: https://svn.eduke32.com/eduke32@304 1a8010ca-5511-0410-912e-c29ae57300e0

polymer/build/include/glbuild.h

@@ -115,6 +115,7 @@ extern void (APIENTRY * bglEnableClientState)(GLenum cap);
 extern void (APIENTRY * bglDisableClientState)(GLenum cap);
 extern void (APIENTRY * bglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
 extern void (APIENTRY * bglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
+extern void (APIENTRY * bglDrawArrays)(GLenum mode, GLint first, GLsizei count);
 extern void (APIENTRY * bglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
 			
 #ifdef RENDERTYPEWIN

polymer/build/include/polymer.h

@@ -16,15 +16,19 @@
 # include "polymost.h"
 # include "pragmas.h"
 
-void    polymer_glinit(void);
+// CVARS
-int     polymer_init(void);
+extern char         pr_verbosity;
-void    polymer_drawrooms(long daposx, long daposy, long daposz, short daang, long dahoriz, short dacursectnum);
+extern char         pr_wireframe;
 
+// DATA
 typedef struct      s_prsector {
     // geometry
     GLdouble*       verts;
     GLfloat*        floorbuffer;
     GLfloat*        ceilbuffer;
+    // attributes
+    GLfloat         floorcolor[4], ceilcolor[4];
+    GLuint          floorglpic, ceilglpic;
     // elements
     GLushort*       indices;
     short           curindice;
@@ -34,10 +38,38 @@ typedef struct      s_prsector {
     char            invalidate;
 }                   _prsector;
 
-extern _prsector*      prsectors[MAXSECTORS];
+typedef struct      s_prwall {
+    // geometry
+    GLfloat*        wallbuffer;
+    GLfloat*        overbuffer;
+    // attributes
+    GLfloat         wallcolor[4], overcolor[4];
+    GLfloat         wallglpic, overglpic;
 
-// Polymer cvars
+    char            underover;
-extern char pr_verbosity;
+    char            invalidate;
-extern char pr_wireframe;
+}                   _prwall;
+
+extern _prsector*   prsectors[MAXSECTORS];
+extern _prwall*     prwalls[MAXWALLS];
+
+// EXTERNAL FUNCTIONS
+int                 polymer_init(void);
+void                polymer_glinit(void);
+void                polymer_loadboard(void);
+void                polymer_drawrooms(long daposx, long daposy, long daposz, short daang, long dahoriz, short dacursectnum);
+// SECTOR MANAGEMENT
+int                 polymer_initsector(short sectnum);
+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);
+int                 polymer_buildfloor(short sectnum);
+void                polymer_drawsector(long daposx, long daposy, long daposz, short daang, long dahoriz, short sectnum);
+// WALL MANAGEMENT
+int                 polymer_initwall(short wallnum);
+void                polymer_updatewall(short wallnum);
+void                polymer_drawwall(short wallnum);
 
 #endif // !_polymer_h_

polymer/build/include/polymost.h

@@ -35,4 +35,6 @@ typedef struct pthtyp_t
 
 pthtyp * gltexcache (long dapicnum, long dapalnum, long dameth);
 
+extern palette_t hictinting[MAXPALOOKUPS];
+
 #endif // !_polymost_h_

polymer/build/src/engine.c

@@ -6671,6 +6671,9 @@ long loadboard(char *filename, char fromwhere, long *daposx, long *daposy, long
 
 #if defined(POLYMOST) && defined(USE_OPENGL)
     memset(spriteext, 0, sizeof(spriteext));
+
+    if (rendmode == 4)
+        polymer_loadboard();
 #endif
     guniqhudid = 0;
 

polymer/build/src/glbuild.c

@@ -99,6 +99,7 @@ void (APIENTRY * bglEnableClientState)(GLenum cap);
 void (APIENTRY * bglDisableClientState)(GLenum cap);
 void (APIENTRY * bglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
 void (APIENTRY * bglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
+void (APIENTRY * bglDrawArrays)(GLenum mode, GLint first, GLsizei count);
 void (APIENTRY * bglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
 
 #ifdef RENDERTYPEWIN
@@ -267,6 +268,7 @@ int loadgldriver(const char *driver)
     bglDisableClientState   = GETPROC("glDisableClientState");
     bglVertexPointer        = GETPROC("glVertexPointer");
     bglTexCoordPointer      = GETPROC("glTexCoordPointer");
+    bglDrawArrays           = GETPROC("glDrawArrays");
     bglDrawElements         = GETPROC("glDrawElements");
 
     loadglextensions();

polymer/build/src/hightile.c

@@ -7,7 +7,7 @@
 #include "kplib.h"
 
 #define HICEFFECTMASK (1|2)
-static palette_t hictinting[MAXPALOOKUPS];
+palette_t hictinting[MAXPALOOKUPS];
 
 //moved into polymost.h
 /*struct hicskybox_t {

polymer/build/src/polymer.c

@@ -2,20 +2,22 @@
 
 #include "polymer.h"
 
-_prsector*      prsectors[MAXSECTORS];
+// CVARS
+char    pr_verbosity = 1; // 0: silent, 1: errors and one-times, 2: multiple-times, 3: flood
+char    pr_wireframe = 0;
+
+// DATA
+_prsector       *prsectors[MAXSECTORS];
+_prwall         *prwalls[MAXWALLS];
 
 float           polymostprojmatrix[16];
 float           polymostmodelmatrix[16];
 
-// tesselation variables
 GLUtesselator*  prtess;
 int             tempverticescount;
 GLdouble        tempvertice[3];
 
-// Polymer cvars
+// EXTERNAL FUNCTIONS
-char    pr_verbosity = 1; // 0: silent, 1: errors and one-times, 2: multiple-times, 3: flood
-char    pr_wireframe = 0;
-
 int                 polymer_init(void)
 {
     int             i;
@@ -29,6 +31,13 @@ int     polymer_init(void)
         i++;
     }
 
+    i = 0;
+    while (i < MAXWALLS)
+    {
+        prwalls[i] = NULL;
+        i++;
+    }
+
     prtess = gluNewTess();
     if (prtess == 0)
     {
@@ -36,6 +45,8 @@ int     polymer_init(void)
         return (0);
     }
 
+    polymer_loadboard();
+
     if (pr_verbosity >= 1) OSD_Printf("PR : Initialization complete.\n");
     return (1);
 }
@@ -78,9 +89,103 @@ void            polymer_glinit(void)
     bglFrustum(-1.0f, 1.0f, -0.75f, 0.75, 1.0f, 1000000.0f);
     bglMatrixMode(GL_MODELVIEW);
     bglLoadIdentity();
+
+    bglEnableClientState(GL_VERTEX_ARRAY);
+    bglEnableClientState(GL_TEXTURE_COORD_ARRAY);
+
 }
 
-int             polymer_updategeometry(short sectnum)
+void                polymer_loadboard(void)
+{
+    int             i;
+
+    i = 0;
+    while (i < numsectors)
+    {
+        polymer_initsector(i);
+        polymer_updatesector(i);
+        polymer_buildfloor(i);
+        i++;
+    }
+
+    i = 0;
+    while (i < numwalls)
+    {
+        polymer_initwall(i);
+        polymer_updatewall(i);
+        i++;
+    }
+
+    if (pr_verbosity >= 1) OSD_Printf("PR : Board loaded.\n");
+}
+void                polymer_drawrooms(long daposx, long daposy, long daposz, short daang, long dahoriz, short dacursectnum)
+{
+    int             i;
+
+    if (pr_verbosity >= 3) OSD_Printf("PR : Drawing rooms...\n");
+
+    polymer_glinit();
+
+    i = 0;
+    while (i < numsectors)
+    {
+        polymer_drawsector(daposx, daposy, daposz, daang, dahoriz, i);
+        i++;
+    }
+
+    bglMatrixMode(GL_PROJECTION);
+    bglLoadMatrixf(polymostprojmatrix);
+    bglMatrixMode(GL_MODELVIEW);
+    bglLoadMatrixf(polymostmodelmatrix);
+
+    if (pr_verbosity >= 3) OSD_Printf("PR : Rooms drawn.\n");
+}
+
+// SECTOR MANAGEMENT
+int                 polymer_initsector(short sectnum)
+{
+    sectortype      *sec;
+    _prsector*      s;
+    int             i;
+
+    if (pr_verbosity >= 2) OSD_Printf("PR : Initalizing sector %i...\n", sectnum);
+
+    sec = &sector[sectnum];
+    s = malloc(sizeof(_prsector));
+    if (s == NULL)
+    {
+        if (pr_verbosity >= 1) OSD_Printf("PR : Cannot initialize sector %i : malloc failed.\n", sectnum);
+        return (0);
+    }
+
+    s->invalidate = 0;
+
+    s->verts = calloc(sec->wallnum, sizeof(GLdouble) * 3);
+    s->floorbuffer = calloc(sec->wallnum, sizeof(GLfloat) * 5);
+    s->ceilbuffer = calloc(sec->wallnum, sizeof(GLfloat) * 5);
+    if ((s->verts == NULL) || (s->floorbuffer == NULL) || (s->ceilbuffer == NULL))
+    {
+        if (pr_verbosity >= 1) OSD_Printf("PR : Cannot initialize geometry of sector %i : malloc failed.\n", sectnum);
+        return (0);
+    }
+   
+    s->indices = NULL;
+
+    prsectors[sectnum] = s;
+
+    /*i = sec->wallptr;
+    while (i < (sec->wallptr + sec->wallnum))
+    {
+        polymer_initwall(i);
+        i++;
+    }*/
+
+    if (pr_verbosity >= 2) OSD_Printf("PR : Initalized sector %i.\n", sectnum);
+
+    return (1);
+}
+
+int                 polymer_updatesector(short sectnum)
 {
     _prsector*      s;
     sectortype      *sec;
@@ -90,8 +195,11 @@ int             polymer_updategeometry(short sectnum)
     long            tex, tey;
     float           secangcos, secangsin, scalecoef;
     long            ang;
-    short       curstat;
+    short           curstat, curpicnum;
+    char            curxpanning, curypanning;
     GLfloat*        curbuffer;
+    GLuint*         curglpic;
+    pthtyp*         pth;
 
     s = prsectors[sectnum];
     sec = &sector[sectnum];
@@ -112,8 +220,9 @@ int             polymer_updategeometry(short sectnum)
         secangsin = (float)(sintable[ang&2047]) / 16383.0f;
     }
 
+    // geometry
     i = 0;
-    while (i < s->wallcount)
+    while (i < sec->wallnum)
     {
         s->verts[(i*3)+2] = s->floorbuffer[(i*5)+2] = s->ceilbuffer[(i*5)+2] = -wal->x;
         s->verts[i*3] = s->floorbuffer[i*5] = s->ceilbuffer[i*5] = wal->y;
@@ -125,6 +234,9 @@ int             polymer_updategeometry(short sectnum)
         j = 2;
         curstat = sec->floorstat;
         curbuffer = s->floorbuffer;
+        curpicnum = sec->floorpicnum;
+        curxpanning = sec->floorxpanning;
+        curypanning = sec->floorypanning;
 
         while (j)
         {
@@ -132,10 +244,13 @@ int             polymer_updategeometry(short sectnum)
             {
                 curstat = sec->ceilingstat;
                 curbuffer = s->ceilbuffer;
+                curpicnum = sec->ceilingpicnum;
+                curxpanning = sec->ceilingxpanning;
+                curypanning = sec->ceilingypanning;
             }
 
             tex = (curstat & 64) ? ((wal->x - wall[sec->wallptr].x) * secangsin) + ((-wal->y - -wall[sec->wallptr].y) * secangcos) : wal->x;
-            tey = (curstat & 64) ? ((wal->x - wall[sec->wallptr].x) * secangcos) - ((-wal->y - -wall[sec->wallptr].y) * secangsin) : -wal->y;
+            tey = (curstat & 64) ? ((wal->x - wall[sec->wallptr].x) * secangcos) - ((wall[sec->wallptr].y - wal->y) * secangsin) : -wal->y;
 
             if (curstat & 4)
                 swaplong(&tex, &tey);
@@ -145,8 +260,43 @@ int             polymer_updategeometry(short sectnum)
 
             scalecoef = (curstat & 8) ? 8.0f : 16.0f;
 
-            curbuffer[(i*5)+3] = ((float)(tex) / (scalecoef * tilesizx[sec->floorpicnum])) + ((float)(sec->floorxpanning) / 256.0f);
+            curbuffer[(i*5)+3] = ((float)(tex) / (scalecoef * tilesizx[curpicnum])) + ((float)(curxpanning) / 256.0f);
-            curbuffer[(i*5)+4] = ((float)(tey) / (scalecoef * tilesizy[sec->floorpicnum])) + ((float)(sec->floorypanning) / 256.0f);
+            curbuffer[(i*5)+4] = ((float)(tey) / (scalecoef * tilesizy[curpicnum])) + ((float)(curypanning) / 256.0f);
+
+            j--;
+        }
+
+        //attributes
+        j = 2;
+        curbuffer = s->floorcolor;
+        curstat = sec->floorshade;
+        curxpanning = sec->floorpal;
+        curpicnum = sec->floorpicnum;
+        curglpic = &s->floorglpic;
+
+        while (j > 0)
+        {
+            if (j == 1)
+            {
+                curbuffer = s->ceilcolor;
+                curstat = sec->ceilingshade;
+                curxpanning = sec->ceilingpal;
+                curpicnum = sec->ceilingpicnum;
+                curglpic = &s->ceilglpic;
+            }
+        
+            curbuffer[0] = curbuffer[1] = curbuffer[2] = ((float)(numpalookups-min(max(curstat,0),numpalookups)))/((float)numpalookups);
+            curbuffer[3] = 1.0f;
+
+            pth = gltexcache(curpicnum,curxpanning,0);
+
+            if (pth && (pth->flags & 2) && (pth->palnum != curxpanning)) {
+                curbuffer[0] *= (float)hictinting[curxpanning].r / 255.0;
+                curbuffer[1] *= (float)hictinting[curxpanning].g / 255.0;
+                curbuffer[2] *= (float)hictinting[curxpanning].b / 255.0;
+            }
+
+            *curglpic = (pth) ? pth->glpic : 0;
 
             j--;
         }
@@ -160,13 +310,11 @@ int             polymer_updategeometry(short sectnum)
     return (0);
 }
 
-// This callback is called by the tesselator when it detects an intersection between contours (HELLO ROTATING SPOTLIGHT IN E1L1).
+
 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;
 
-    //tempverticescount++;
-    //tempvertices = realloc(tempvertices, tempverticescount * sizeof(GLdouble) * 3);
     tempvertice[0] = v[0];
     tempvertice[1] = v[1];
     tempvertice[2] = v[2];
@@ -177,30 +325,18 @@ void PR_CALLBACK    polymer_tesscombine(GLdouble v[3], GLdouble *data[4], GLfloa
     if (pr_verbosity >= 2) OSD_Printf("PR : Created additional geometry for sector tesselation.\n");
 }
 
-// This callback is called by the tesselator whenever it raises an error.
+
 void PR_CALLBACK    polymer_tesserror(GLenum error)
-{
+{   // This callback is called by the tesselator whenever it raises an error.
     if (pr_verbosity >= 1) OSD_Printf("PR : Tesselation error number %i reported : %s.\n", error, gluErrorString(errno));
 }
 
-// Passing an edgeflag callback forces the tesselator to output a triangle list
+
-void PR_CALLBACK    polymer_tessedgeflag(GLboolean flag)
+void PR_CALLBACK    polymer_tessedgeflag(GLenum error)
-{
+{   // Passing an edgeflag callback forces the tesselator to output a triangle list
-    flag = 0;
     return;
 }
 
-void PR_CALLBACK    polymer_tessbegin(GLenum type)
-{
-    if (type != GL_TRIANGLES)
-    {
-        OSD_Printf("PR : NOT A TRIANGLE LIST !§//... !\n");
-    }
-}
-
-void PR_CALLBACK    polymer_tessend(void)
-{
-}
 void PR_CALLBACK    polymer_tessvertex(void* vertex, void* sector)
 {
     _prsector*      s;
@@ -213,13 +349,11 @@ void PR_CALLBACK    polymer_tessvertex(void* vertex, void* sector)
         s->indicescount++;
         s->indices = realloc(s->indices, s->indicescount * sizeof(GLushort));
     }
-    s->indices[s->curindice] = (GLushort)vertex;
+    s->indices[s->curindice] = (int)vertex;
     s->curindice++;
 }
-
-// This function tesselates the floor/ceiling of a sector and stores the triangles in a display list.
 int                 polymer_buildfloor(short sectnum)
-{
+{   // This function tesselates the floor/ceiling of a sector and stores the triangles in a display list.
     _prsector*      s;
     sectortype      *sec;
     int             i;
@@ -232,15 +366,14 @@ int             polymer_buildfloor(short sectnum)
     if (s == NULL)
         return (-1);
 
-    if (s->indices != NULL)
+    if (s->indices == NULL)
-        free(s->indices);
+    {
-
+        s->indicescount = (sec->wallnum - 2) * 3;
-    s->indicescount = (s->wallcount - 2) * 3;
         s->indices = calloc(s->indicescount, sizeof(GLushort));
+    }
+
     s->curindice = 0;
 
-    //gluTessCallback(prtess, GLU_TESS_BEGIN, polymer_tessbegin);
-    //gluTessCallback(prtess, GLU_TESS_END, polymer_tessend);
     gluTessCallback(prtess, GLU_TESS_VERTEX_DATA, polymer_tessvertex);
     gluTessCallback(prtess, GLU_TESS_EDGE_FLAG, polymer_tessedgeflag);
     //gluTessCallback(prtess, GLU_TESS_COMBINE, polymer_tesscombine);
@@ -270,180 +403,314 @@ int             polymer_buildfloor(short sectnum)
     return (1);
 }
 
-int             polymer_initsector(short sectnum)
-{
-    sectortype  *sec;
-    _prsector*  s;
-
-    if (pr_verbosity >= 2) OSD_Printf("PR : Initalizing sector %i...\n", sectnum);
-
-    sec = &sector[sectnum];
-    s = malloc(sizeof(_prsector));
-    if (s == NULL)
-    {
-        if (pr_verbosity >= 1) OSD_Printf("PR : Cannot initialize sector %i : malloc failed.\n", sectnum);
-        return (0);
-    }
-
-    s->invalidate = 0;
-    s->wallcount = sec->wallnum;
-
-    s->verts = calloc(s->wallcount, sizeof(GLdouble) * 3);
-    s->floorbuffer = calloc(s->wallcount, sizeof(GLfloat) * 5);
-    s->ceilbuffer = calloc(s->wallcount, sizeof(GLfloat) * 5);
-    if ((s->verts == NULL) || (s->floorbuffer == NULL) || (s->ceilbuffer == NULL))
-    {
-        if (pr_verbosity >= 1) OSD_Printf("PR : Cannot initialize geometry of sector %i : malloc failed.\n", sectnum);
-        return (0);
-    }
-   
-    s->indices = NULL;
-
-    prsectors[sectnum] = s;
-
-    if (pr_verbosity >= 2) OSD_Printf("PR : Initalized sector %i.\n", sectnum);
-
-    return (1);
-}
-
 void                polymer_drawsector(long daposx, long daposy, long daposz, short daang, long dahoriz, short sectnum)
 {
     sectortype      *sec, *nextsec;
     walltype        *wal;
     _prsector*      s;
-    float       ang;
+    float           ang, horizang;
     double          pos[3];
     int             i;
     long            zdiff;
-    pthtyp*     pth;
 
     if (pr_verbosity >= 3) OSD_Printf("PR : Drawing sector %i...\n", sectnum);
 
-    if (prsectors[sectnum] == NULL)
-    {
-        polymer_initsector(sectnum);
-        polymer_updategeometry(sectnum);
-        polymer_buildfloor(sectnum);
-    }
-    else if (prsectors[sectnum]->invalidate)
-    {
-        if (pr_verbosity >= 2) OSD_Printf("PR : Sector %i invalidated. Tesselating...\n", sectnum);
-        polymer_updategeometry(sectnum);
-        polymer_buildfloor(sectnum);
-        prsectors[sectnum]->invalidate = 0;
-    }
-
     sec = &sector[sectnum];
     wal = &wall[sec->wallptr];
     s = prsectors[sectnum];
 
+    if (prsectors[sectnum] == NULL)
+    {
+        polymer_initsector(sectnum);
+        polymer_updatesector(sectnum);
+        polymer_buildfloor(sectnum);
+    }
+    else if (prsectors[sectnum]->invalidate)
+    {
+        if (pr_verbosity >= 2) OSD_Printf("PR : Sector %i invalidated. Tesselating...\n", sectnum);
+        polymer_updatesector(sectnum);
+        i = 0;
+        while (i < sec->wallnum)
+        {
+            polymer_updatewall(sec->wallptr + i);
+            i++;
+        }
+        polymer_buildfloor(sectnum);
+        prsectors[sectnum]->invalidate = 0;
+    }
+
+
     ang = (float)(daang) / (2048.0f / 360.0f);
+    horizang = (float)(100 - dahoriz) / (256.0f / 90.0f);
 
     pos[0] = -daposy;
     pos[1] = daposz;
     pos[2] = daposx;
 
-    bglEnableClientState(GL_VERTEX_ARRAY);
-    bglEnableClientState(GL_TEXTURE_COORD_ARRAY);
-
     bglMatrixMode(GL_MODELVIEW);
     bglLoadIdentity();
+
+    bglRotatef(horizang, 1.0f, 0.0f, 0.0f);
     bglRotatef(ang, 0.0f, 1.0f, 0.0f);
+
     bglScalef(1.0f, 1.0f / 16.0f, 1.0f);
     bglTranslatef(pos[0], pos[1], pos[2]);
 
+
+    bglEnable(GL_TEXTURE_2D);
+
     // floor
-    pth = gltexcache(sec->floorpicnum,sec->floorpal,0);
+    bglBindTexture(GL_TEXTURE_2D, s->floorglpic);
-    bglBindTexture(GL_TEXTURE_2D, pth ? pth->glpic : 0);
+    bglColor4f(s->floorcolor[0], s->floorcolor[1], s->floorcolor[2], s->floorcolor[3]);
-    bglColor4f(1.0f, 1.0f, 1.0f, 1.0f);
     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->indices);
 
     // ceiling
-    pth = gltexcache(sec->ceilingpicnum,sec->ceilingpal,0);
+    bglBindTexture(GL_TEXTURE_2D, s->ceilglpic);
-    bglBindTexture(GL_TEXTURE_2D, pth ? pth->glpic : 0);
+    bglColor4f(s->ceilcolor[0], s->ceilcolor[1], s->ceilcolor[2], s->ceilcolor[3]);
     bglVertexPointer(3, GL_FLOAT, 5 * sizeof(GLfloat), s->ceilbuffer);
     bglTexCoordPointer(2, GL_FLOAT, 5 * sizeof(GLfloat), &s->ceilbuffer[3]);
     bglDrawElements(GL_TRIANGLES, s->indicescount, GL_UNSIGNED_SHORT, s->indices);
 
-    bglDisableClientState(GL_TEXTURE_COORD_ARRAY);
+    // walls
-    bglDisableClientState(GL_VERTEX_ARRAY);
-
-    /*// walls
     i = 0;
     while (i < sec->wallnum)
     {
-        if (wal->nextsector == -1)
+        polymer_drawwall(sec->wallptr + i);
-        { // limit of the map
-            pth = gltexcache(wal->picnum,wal->pal,0);
-            bglBindTexture(GL_TEXTURE_2D, pth ? pth->glpic : 0);
-            bglColor4f(0.0f, 1.0f, 0.0f, 1.0f);
-            bglBegin(GL_QUADS);
-            bglVertex3d(s->verts[i].v[0], s->verts[i].v[1], s->verts[i].v[2]);
-            bglVertex3d(s->verts[wal->point2 - sec->wallptr].v[0], s->verts[wal->point2 - sec->wallptr].v[1], s->verts[wal->point2 - sec->wallptr].v[2]);
-            bglVertex3d(s->verts[wal->point2 - sec->wallptr].v[0], s->verts[wal->point2 - sec->wallptr].v[1] + (sec->floorz - sec->ceilingz), s->verts[wal->point2 - sec->wallptr].v[2]);
-            bglVertex3d(s->verts[i].v[0], s->verts[i].v[1] + (sec->floorz - sec->ceilingz), s->verts[i].v[2]);
-            bglEnd();
-        }
-        else
-        {
-            nextsec = &sector[wal->nextsector];
-            zdiff = sec->floorz - nextsec->floorz;
-            if (zdiff > 0)
-            { // floor polymerization
-                pth = gltexcache(wal->picnum,wal->pal,0);
-                bglBindTexture(GL_TEXTURE_2D, pth ? pth->glpic : 0);
-                bglColor4f(0.0f, 0.0f, 1.0f, 1.0f);
-                bglBegin(GL_QUADS);
-                bglVertex3d(s->verts[i].v[0], s->verts[i].v[1], s->verts[i].v[2]);
-                bglVertex3d(s->verts[wal->point2 - sec->wallptr].v[0], s->verts[wal->point2 - sec->wallptr].v[1], s->verts[wal->point2 - sec->wallptr].v[2]);
-                bglVertex3d(s->verts[wal->point2 - sec->wallptr].v[0], s->verts[wal->point2 - sec->wallptr].v[1] + zdiff, s->verts[wal->point2 - sec->wallptr].v[2]);
-                bglVertex3d(s->verts[i].v[0], s->verts[i].v[1] + zdiff, s->verts[i].v[2]);
-                bglEnd();
-            }
-            zdiff = sec->ceilingz - nextsec->ceilingz;
-            if (zdiff > 0)
-            { // ceiling polymerization
-                pth = gltexcache(wal->picnum,wal->pal,0);
-                bglBindTexture(GL_TEXTURE_2D, pth ? pth->glpic : 0);
-                bglColor4f(1.0f, 0.0f, 1.0f, 1.0f);
-                bglBegin(GL_QUADS);
-                bglVertex3d(s->verts[i].v[0], s->verts[i].v[1] + (sec->floorz - sec->ceilingz), s->verts[i].v[2]);
-                bglVertex3d(s->verts[wal->point2 - sec->wallptr].v[0], s->verts[wal->point2 - sec->wallptr].v[1] + (sec->floorz - sec->ceilingz), s->verts[wal->point2 - sec->wallptr].v[2]);
-                bglVertex3d(s->verts[wal->point2 - sec->wallptr].v[0], s->verts[wal->point2 - sec->wallptr].v[1] + zdiff + (sec->floorz - sec->ceilingz), s->verts[wal->point2 - sec->wallptr].v[2]);
-                bglVertex3d(s->verts[i].v[0], s->verts[i].v[1] + zdiff + (sec->floorz - sec->ceilingz), s->verts[i].v[2]);
-                bglEnd();
-            }
-        }
-
 
         i++;
         wal = &wall[sec->wallptr + i];
-    }*/
+    }
 
     if (pr_verbosity >= 3) OSD_Printf("PR : Finished drawing sector %i...\n", sectnum);
 }
 
-void    polymer_drawrooms(long daposx, long daposy, long daposz, short daang, long dahoriz, short dacursectnum)
+// WALL MANAGEMENT
+int                 polymer_initwall(short wallnum)
 {
+    _prwall         *w;
+
+    if (pr_verbosity >= 2) OSD_Printf("PR : Initalizing wall %i...\n", wallnum);
+
+    w = malloc(sizeof(_prwall));
+    if (w == NULL)
+    {
+        if (pr_verbosity >= 1) OSD_Printf("PR : Cannot initialize wall %i : malloc failed.\n", wallnum);
+        return (0);
+    }
+
+    w->invalidate = w->underover = 0;
+    w->wallbuffer = w->overbuffer = NULL;
+
+    prwalls[wallnum] = w;
+
+    if (pr_verbosity >= 2) OSD_Printf("PR : Initalized wall %i.\n", wallnum);
+
+    return (1);
+}
+
+void                polymer_updatewall(short wallnum)
+{
+    short           nwallnum, nnwallnum;
+    walltype        *wal;
+    sectortype      *sec, *nsec;
+    _prwall         *w;
+    _prsector       *s, *ns;
+    pthtyp*         pth;
+    long            xref[2], yref, xdif, ydif, dist, ypancoef;
     int             i;
 
-    if (pr_verbosity >= 3) OSD_Printf("PR : Drawing rooms...\n");
+    wal = &wall[wallnum];
+    sec = &sector[sectorofwall(wallnum)];
+    w = prwalls[wallnum];
+    s = prsectors[sectorofwall(wallnum)];
 
-    polymer_glinit();
+    if (w->wallbuffer == NULL)
+        w->wallbuffer = calloc(4, sizeof(GLfloat) * 5);
+
+    w->underover = 0;
+
+    w->wallcolor[0] = w->wallcolor[1] = w->wallcolor[2] = ((float)(numpalookups-min(max(wal->shade,0),numpalookups)))/((float)numpalookups);
+    w->wallcolor[3] = 1.0f;
+
+    if (wal->cstat & 8)
+    {
+        xref[0] = wall[wal->point2].x;
+        xref[1] = wall[wal->point2].y;
+    }
+    else
+    {
+        xref[0] = wal->x;
+        xref[1] = wal->y;
+    }
+
+    if (wal->nextsector == -1)
+    {
+        memcpy(w->wallbuffer, &s->floorbuffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 3);
+        memcpy(&w->wallbuffer[5], &s->floorbuffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 3);
+        memcpy(&w->wallbuffer[10], &s->ceilbuffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 3);
+        memcpy(&w->wallbuffer[15], &s->ceilbuffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 3);
+
+        pth = gltexcache(wal->picnum, wal->pal, 0);
+        w->wallglpic = pth ? pth->glpic : 0;
+
+        if (pth && (pth->flags & 2) && (pth->palnum != wal->pal)) {
+            w->wallcolor[0] *= (float)hictinting[wal->pal].r / 255.0;
+            w->wallcolor[1] *= (float)hictinting[wal->pal].g / 255.0;
+            w->wallcolor[2] *= (float)hictinting[wal->pal].b / 255.0;
+        }
+
+        if (wal->cstat & 4)
+            yref = sec->floorz;            
+        else
+            yref = sec->ceilingz;
+
+        ypancoef = (int)(256.0f / tilesizy[wal->picnum]);
 
         i = 0;
-    while (i < numsectors)
+        while (i < 4)
         {
-        polymer_drawsector(daposx, daposy, daposz, daang, dahoriz, i);
+            xdif = xref[0] + w->wallbuffer[(i * 5) + 2];
+            ydif = xref[1] - w->wallbuffer[(i * 5)];
+            dist = ((xdif * xdif) + (ydif * ydif)) != 0;
+
+            w->wallbuffer[(i * 5) + 3] = ((dist * 8.0f * wal->xrepeat) + wal->xpanning) / (float)(tilesizx[wal->picnum]);
+            w->wallbuffer[(i * 5) + 4] = (-(float)(yref + w->wallbuffer[(i * 5) + 1]) / ((tilesizy[wal->picnum] * 2048.0f) / (float)(wal->yrepeat))) + ((float)(wal->ypanning) / (float)(ypancoef * tilesizy[wal->picnum]));
+
+            if (wal->cstat & 256) w->wallbuffer[(i * 5) + 4] = -w->wallbuffer[(i * 5) + 4];
+
             i++;
         }
 
-    bglMatrixMode(GL_PROJECTION);
+        w->underover |= 1;
-    bglLoadMatrixf(polymostprojmatrix);
+    }
-    bglMatrixMode(GL_MODELVIEW);
+    else
-    bglLoadMatrixf(polymostmodelmatrix);
+    {
+        nwallnum = wal->nextwall;
+        nnwallnum = wall[nwallnum].point2;
+        nsec = &sector[wal->nextsector];
+        ns = prsectors[wal->nextsector];
 
-    if (pr_verbosity >= 3) OSD_Printf("PR : Rooms drawn.\n");
+        if (((s->floorbuffer[((wallnum - sec->wallptr) * 5) + 1] != ns->floorbuffer[((nnwallnum - nsec->wallptr) * 5) + 1]) ||
+           (s->floorbuffer[((wal->point2 - sec->wallptr) * 5) + 1] != ns->floorbuffer[((nwallnum - nsec->wallptr) * 5) + 1])) &&
+           (s->floorbuffer[((wallnum - sec->wallptr) * 5) + 1] <= ns->floorbuffer[((nnwallnum - nsec->wallptr) * 5) + 1]))
+        {
+            memcpy(w->wallbuffer, &s->floorbuffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 3);
+            memcpy(&w->wallbuffer[5], &s->floorbuffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 3);
+            memcpy(&w->wallbuffer[10], &ns->floorbuffer[(nwallnum - nsec->wallptr) * 5], sizeof(GLfloat) * 3);
+            memcpy(&w->wallbuffer[15], &ns->floorbuffer[(nnwallnum - nsec->wallptr) * 5], sizeof(GLfloat) * 3);
+
+            pth = gltexcache(wal->picnum, wal->pal, 0);
+            w->wallglpic = pth ? pth->glpic : 0;
+
+            if (pth && (pth->flags & 2) && (pth->palnum != wal->pal)) {
+                w->wallcolor[0] *= (float)hictinting[wal->pal].r / 255.0;
+                w->wallcolor[1] *= (float)hictinting[wal->pal].g / 255.0;
+                w->wallcolor[2] *= (float)hictinting[wal->pal].b / 255.0;
+            }
+
+            if (wal->cstat & 4)
+                yref = sec->ceilingz;            
+            else
+                yref = nsec->floorz;
+
+            ypancoef = (int)(256.0f / tilesizy[wal->picnum]);
+
+            i = 0;
+            while (i < 4)
+            {
+                xdif = xref[0] + w->wallbuffer[(i * 5) + 2];
+                ydif = xref[1] - w->wallbuffer[(i * 5)];
+                dist = ((xdif * xdif) + (ydif * ydif)) != 0;
+
+                w->wallbuffer[(i * 5) + 3] = ((dist * 8.0f * wal->xrepeat) + wal->xpanning) / (float)(tilesizx[wal->picnum]);
+                w->wallbuffer[(i * 5) + 4] = (-(float)(yref + w->wallbuffer[(i * 5) + 1]) / ((tilesizy[wal->picnum] * 2048.0f) / (float)(wal->yrepeat))) + ((float)(wal->ypanning) / (float)(ypancoef * tilesizy[wal->picnum]));
+
+                if (wal->cstat & 256) w->wallbuffer[(i * 5) + 4] = -w->wallbuffer[(i * 5) + 4];
+
+                i++;
+            }
+
+            w->underover |= 1;
+        }
+
+        if (((s->ceilbuffer[((wallnum - sec->wallptr) * 5) + 1] != ns->ceilbuffer[((nnwallnum - nsec->wallptr) * 5) + 1]) ||
+           (s->ceilbuffer[((wal->point2 - sec->wallptr) * 5) + 1] != ns->ceilbuffer[((nwallnum - nsec->wallptr) * 5) + 1])) &&
+           (s->ceilbuffer[((wallnum - sec->wallptr) * 5) + 1] >= ns->ceilbuffer[((nnwallnum - nsec->wallptr) * 5) + 1]))
+        {
+            if (w->overbuffer == NULL)
+                w->overbuffer = calloc(4, sizeof(GLfloat) * 5);
+
+            memcpy(w->overbuffer, &ns->ceilbuffer[(nnwallnum - nsec->wallptr) * 5], sizeof(GLfloat) * 3);
+            memcpy(&w->overbuffer[5], &ns->ceilbuffer[(nwallnum - nsec->wallptr) * 5], sizeof(GLfloat) * 3);
+            memcpy(&w->overbuffer[10], &s->ceilbuffer[(wal->point2 - sec->wallptr) * 5], sizeof(GLfloat) * 3);
+            memcpy(&w->overbuffer[15], &s->ceilbuffer[(wallnum - sec->wallptr) * 5], sizeof(GLfloat) * 3);
+
+            pth = gltexcache((wal->overpicnum) ? wal->overpicnum : wal->picnum, wal->pal, 0);
+            w->overglpic = pth ? pth->glpic : 0;
+
+            memcpy(w->overcolor, w->wallcolor, sizeof(GLfloat) * 4);
+
+            if (pth && (pth->flags & 2) && (pth->palnum != wal->pal)) {
+                w->overcolor[0] *= (float)hictinting[wal->pal].r / 255.0;
+                w->overcolor[1] *= (float)hictinting[wal->pal].g / 255.0;
+                w->overcolor[2] *= (float)hictinting[wal->pal].b / 255.0;
+            }
+
+            if (wal->cstat & 4)
+                yref = sec->ceilingz;            
+            else
+                yref = nsec->ceilingz;
+
+            ypancoef = (int)(256.0f / tilesizy[wal->picnum]);
+
+            i = 0;
+            while (i < 4)
+            {
+                xdif = xref[0] + w->overbuffer[(i * 5) + 2];
+                ydif = xref[1] - w->overbuffer[(i * 5)];
+                dist = ((xdif * xdif) + (ydif * ydif)) != 0;
+
+                w->overbuffer[(i * 5) + 3] = ((dist * 8.0f * wal->xrepeat) + wal->xpanning) / (float)(tilesizx[wal->picnum]);
+                w->overbuffer[(i * 5) + 4] = (-(float)(yref + w->overbuffer[(i * 5) + 1]) / ((tilesizy[wal->picnum] * 2048.0f) / (float)(wal->yrepeat))) + ((float)(wal->ypanning) / (float)(ypancoef * tilesizy[wal->picnum]));
+
+                if (wal->cstat & 256) w->overbuffer[(i * 5) + 4] = -w->overbuffer[(i * 5) + 4];
+
+                i++;
+            }
+
+            w->underover |= 2;
+        }
+    }
+
+    if (pr_verbosity >= 3) OSD_Printf("PR : Updated wall %i.\n", wallnum);
+}
+
+void                polymer_drawwall(short wallnum)
+{
+    _prwall         *w;
+
+    if (pr_verbosity >= 3) OSD_Printf("PR : Drawing wall %i...\n", wallnum);
+
+    w = prwalls[wallnum];
+
+    if (w->underover & 1)
+    {
+        bglBindTexture(GL_TEXTURE_2D, w->wallglpic);
+        bglColor4f(w->wallcolor[0], w->wallcolor[1], w->wallcolor[2], w->wallcolor[3]);
+        bglVertexPointer(3, GL_FLOAT, 5 * sizeof(GLfloat), w->wallbuffer);
+        bglTexCoordPointer(2, GL_FLOAT, 5 * sizeof(GLfloat), &w->wallbuffer[3]);
+        bglDrawArrays(GL_QUADS, 0, 4);
+    }
+    if (w->underover & 2)
+    {
+        bglBindTexture(GL_TEXTURE_2D, w->overglpic);
+        bglColor4f(w->overcolor[0], w->overcolor[1], w->overcolor[2], w->overcolor[3]);
+        bglVertexPointer(3, GL_FLOAT, 5 * sizeof(GLfloat), w->overbuffer);
+        bglTexCoordPointer(2, GL_FLOAT, 5 * sizeof(GLfloat), &w->overbuffer[3]);
+        bglDrawArrays(GL_QUADS, 0, 4);
+    }
+
+    if (pr_verbosity >= 3) OSD_Printf("PR : Finished drawing wall %i...\n", wallnum);
 }