qf/newtree
0
0
Fork 0
mirror of https://git.code.sf.net/p/quake/newtree synced 2024-11-28 23:02:31 +00:00
Code Issues Projects Releases Packages Wiki Activity

gl_sky_clip is getting closer to working with skybox. Textures are borked (not

Browse source 
sure if I'm doing something wrong or if gl is having problems with the scale)
and clipping is a little wonky, but I know the reason for that:) Also, it
seems skys aren't always being drawn: probably something wrong in gl_rsurf.
This commit is contained in:
Bill Currie 2000-11-10 16:26:40 +00:00
parent 1d4c83b5bb
commit 7bd99717d2
2 changed files with 72 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
source/gl_rsurf.c
View file

@ -931,15 +931,15 @@ void R_RecursiveWorldNode (mnode_t *node)
if (surf->visframe != r_framecount)
continue;
if ((dot < 0) ^ !!(surf->flags & SURF_PLANEBACK))
continue; // wrong side
if (surf->flags & SURF_DRAWSKY) {
surf->texturechain = sky_chain;
sky_chain = surf;
continue;
}
if ((dot < 0) ^ !!(surf->flags & SURF_PLANEBACK))
continue; // wrong side
if (surf->flags & SURF_DRAWTURB)
{
surf->texturechain = waterchain;

85
source/gl_sky.c
View file

@ -115,42 +115,42 @@ R_SkyBoxPolyVec (vec5_t v)
vec5_t skyvec[6][4] = {
{
// right
// right +y
{ftc (1), ftc (0), 1024, 1024, 1024},
{ftc (1), ftc (1), 1024, 1024, -1024},
{ftc (0), ftc (1), -1024, 1024, -1024},
{ftc (0), ftc (0), -1024, 1024, 1024}
},
{
// back
// back -x
{ftc (1), ftc (0), -1024, 1024, 1024},
{ftc (1), ftc (1), -1024, 1024, -1024},
{ftc (0), ftc (1), -1024, -1024, -1024},
{ftc (0), ftc (0), -1024, -1024, 1024}
},
{
// left
// left -y
{ftc (1), ftc (0), -1024, -1024, 1024},
{ftc (1), ftc (1), -1024, -1024, -1024},
{ftc (0), ftc (1), 1024, -1024, -1024},
{ftc (0), ftc (0), 1024, -1024, 1024}
},
{
// front
// front +x
{ftc (1), ftc (0), 1024, -1024, 1024},
{ftc (1), ftc (1), 1024, -1024, -1024},
{ftc (0), ftc (1), 1024, 1024, -1024},
{ftc (0), ftc (0), 1024, 1024, 1024}
},
{
// up
// up +z
{ftc (1), ftc (0), 1024, -1024, 1024},
{ftc (1), ftc (1), 1024, 1024, 1024},
{ftc (0), ftc (1), -1024, 1024, 1024},
{ftc (0), ftc (0), -1024, -1024, 1024}
},
{
// down
// down -z
{ftc (1), ftc (0), 1024, 1024, -1024},
{ftc (1), ftc (1), 1024, -1024, -1024},
{ftc (0), ftc (1), -1024, -1024, -1024},
@ -305,19 +305,59 @@ determine_face (vec3_t v)
return i;
}
static void
set_vertex (glpoly_t *p, vec3_t v, int face)
{
int ind = p->numverts++;
VectorCopy (v, p->verts[ind]);
VectorAdd (v, r_refdef.vieworg, p->verts[ind]);
switch (face) {
case 0:
p->verts[ind][3] = (1024 - v[1]) / 2048;
p->verts[ind][4] = (1024 - v[2]) / 2048;
break;
case 1:
p->verts[ind][3] = (1024 + v[0]) / 2048;
p->verts[ind][4] = (1024 - v[2]) / 2048;
break;
case 2:
p->verts[ind][3] = (1024 + v[0]) / 2048;
p->verts[ind][4] = (1024 + v[1]) / 2048;
break;
case 4:
p->verts[ind][3] = (1024 + v[1]) / 2048;
p->verts[ind][4] = (1024 - v[2]) / 2048;
break;
case 5:
p->verts[ind][3] = (1024 - v[0]) / 2048;
p->verts[ind][4] = (1024 - v[2]) / 2048;
break;
case 6:
p->verts[ind][3] = (1024 - v[0]) / 2048;
p->verts[ind][4] = (1024 - v[1]) / 2048;
break;
}
}
void
R_DrawSkyBoxPoly (glpoly_t *poly)
{
vec3_t v, last_v;
struct {
int tex;
glpoly_t poly;
float verts[32][VERTEXSIZE];
} box[6];
glpoly_t *p;
int i;
int i, j;
int face, prev_face;
memset (box, 0, sizeof (box));
box[0].tex = SKY_TEX + 0;
box[1].tex = SKY_TEX + 1;
box[2].tex = SKY_TEX + 2;
box[3].tex = SKY_TEX + 3;
box[4].tex = SKY_TEX + 4;
box[5].tex = SKY_TEX + 5;
if (poly->numverts>=32) {
Con_Printf ("too many verts!");
abort();
@ -325,7 +365,6 @@ R_DrawSkyBoxPoly (glpoly_t *poly)
VectorSubtract (poly->verts[poly->numverts - 1], r_refdef.vieworg, v);
prev_face = determine_face (v);
p = &box[prev_face].poly;
VectorCopy (v, last_v);
for (i=0; i< poly->numverts; i++) {
@ -339,18 +378,28 @@ R_DrawSkyBoxPoly (glpoly_t *poly)
VectorSubtract (v, last_v, l);
l[prev_face % 3] = 0;
VectorAdd (last_v, l, l);
p = &box[prev_face].poly;
VectorCopy (l, p->verts[p->numverts++]);
p = &box[face].poly;
VectorCopy (l, p->verts[p->numverts++]);
set_vertex(&box[prev_face].poly, l, prev_face);
set_vertex(&box[face].poly, l, face);
}
}
p = &box[face].poly;
VectorCopy (v, p->verts[p->numverts++]);
set_vertex(&box[face].poly, v, face);
VectorCopy (v, last_v);
prev_face = face;
}
for (i = 0; i < 6; i++) {
if (box[i].poly.numverts < 2)
continue;
glBegin (GL_POLYGON);
glBindTexture (GL_TEXTURE_2D, box[i].tex);
for (j=0; j < box[i].poly.numverts; j++) {
glTexCoord2fv (box[i].poly.verts[j]+3);
glVertex3fv (box[i].poly.verts[j]);
}
glEnd ();
}
}
void
@ -375,7 +424,11 @@ R_DrawSkyChain (msurface_t *sky_chain)
{
if (skyloaded) {
while (sky_chain) {
R_DrawSkyBoxPoly (sky_chain->polys);
glpoly_t *p = sky_chain->polys;
while (p) {
R_DrawSkyBoxPoly (p);
p = p->next;
}
sky_chain = sky_chain->texturechain;
}
} else {