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Make sky dome look a bit better

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This commit is contained in:
Jaime Passos 2019-09-04 13:59:09 -03:00
parent f0b4a609a8
commit c6f3e4d53d
1 changed files with 14 additions and 19 deletions
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31
src/hardware/r_opengl/r_opengl.c
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@ -1456,7 +1456,7 @@ typedef struct
static int rows, columns;
static boolean yflip;
static int texw, texh;
static float yAdd;
static float yMult, yAdd;
static boolean foglayer;
static float delta = 0.0f;
static int gl_sky_detail = 16;
@ -1487,30 +1487,24 @@ static void SkyVertex(vbo_vertex_t *vbo, int r, int c)
if (!foglayer)
{
boolean flip = yflip;
vbo->r = 255;
vbo->g = 255;
vbo->b = 255;
vbo->a = (r == 0 ? 0 : 255);
// Flip Y coordinate anyway for the top part of the hemisphere
if (r <= 1)
flip = !flip;
// And the texture coordinates.
if (!yflip) // Flipped Y is for the lower hemisphere.
{
vbo->u = (-timesRepeat * c / (float)columns);
vbo->v = (r / (float)rows) * 1.f + yAdd;
}
if (!flip) // Flipped Y is for the lower hemisphere.
vbo->v = (r / (float)rows) * 1.f * yMult + yAdd;
else
{
vbo->u = (-timesRepeat * c / (float)columns);
vbo->v = ((rows-r)/(float)rows) * 1.f + yAdd;
vbo->v = ((rows-r)/(float)rows) * 1.f * yMult + yAdd;
}
//if (SkyBox.wall.flag == GLDWF_SKYFLIP)
// vbo->u = -vbo->u;
}
if (r != 4)
y += FRACUNIT * 300;
// And finally the vertex.
vbo->x = (float)x/(float)MAP_SCALE;
vbo->y = (float)y/(float)MAP_SCALE + delta;
@ -1550,7 +1544,8 @@ static void gld_BuildSky(int row_count, int col_count)
memset(&SkyColor, 0xFF, sizeof(SkyColor));
for (yflip = 0; yflip < 2; yflip++)
// Why not?
for (yflip = false; yflip <= true; yflip++)
{
vbo->loops[vbo->loopcount].mode = GL_TRIANGLE_FAN;
vbo->loops[vbo->loopcount].vertexindex = vertex_p - &vbo->data[0];
@ -1559,6 +1554,7 @@ static void gld_BuildSky(int row_count, int col_count)
vbo->loopcount++;
yAdd = 0.5f;
yMult = 1.0f;
/*if (yflip == 0)
SkyColor = &sky->CeilingSkyColor[vbo_idx];
else
@ -1584,7 +1580,7 @@ static void gld_BuildSky(int row_count, int col_count)
vbo->loops[vbo->loopcount].mode = GL_TRIANGLE_STRIP;
vbo->loops[vbo->loopcount].vertexindex = vertex_p - &vbo->data[0];
vbo->loops[vbo->loopcount].vertexcount = 2 * col_count + 2;
vbo->loops[vbo->loopcount].use_texture = true;
vbo->loops[vbo->loopcount].use_texture = true; //(r > 1) ? true : false;
vbo->loopcount++;
for (c = 0; c <= col_count; c++)
@ -1617,7 +1613,6 @@ static void RenderDomeForReal(INT32 skytexture)
for (j = 0; j < 2; j++)
{
//gld_EnableTexture2D(GL_TEXTURE0_ARB, j != 0);
for (i = 0; i < vbo->loopcount; i++)
{
GLSkyLoopDef *loop = &vbo->loops[i];