/*
=================
R_SetBlendModeOn
=================
*/
void R_SetBlendModeOn (image_t *skin)
{
GL_TexEnv( GL_MODULATE );
if (skin)
GL_Bind(skin->texnum);
GL_ShadeModel (GL_SMOOTH);
if (currententity->flags & RF_TRANSLUCENT)
{
GL_DepthMask (false);
if (currententity->flags & RF_TRANS_ADDITIVE)
{
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE);
glColor4ub(255, 255, 255, 255);
GL_ShadeModel (GL_FLAT);
}
else
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GL_Enable (GL_BLEND);
}
}
void Pass2D::setup(GLRenderer *r) {
Pass::setup(r);
GL_Enable(GL_SCISSOR_TEST);
GL_Disable(GL_LIGHTING);
GL_Disable(GL_DEPTH_TEST);
GL_Disable(GL_CULL_FACE);
GL_Enable(GL_BLEND);
GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glAlphaFunc(GL_GREATER, 0.01f);
Cvar_SetVarValue(&gfx_GLSLPass, 0);
GL_TexModulate(1.0);
GL_UseProgram(0);
GL_MatrixMode(GL_PROJECTION);
GL_PushMatrix();
glLoadIdentity();
glOrtho(0, Vid_GetScreenW(), Vid_GetScreenH(), 0, -1.0, 1.0);
GL_MatrixMode(GL_MODELVIEW);
GL_PushMatrix();
glLoadIdentity();
#ifdef DEBUG
GLSL_catchLastError("Pass2D::setup(): ");
#endif
}
/*
* =================
* R_Bloom_DrawEffect
* =================
*/
void R_Bloom_DrawEffect(void)
{
GL_Bind(r_bloomeffecttexture->texnum);
GL_Enable(GL_BLEND);
GL_BlendFunc(GL_ONE, GL_ONE);
GL_TexEnv(GL_MODULATE);
rb_vertex = rb_index = 0;
indexArray[rb_index++] = rb_vertex + 0;
indexArray[rb_index++] = rb_vertex + 1;
indexArray[rb_index++] = rb_vertex + 2;
indexArray[rb_index++] = rb_vertex + 0;
indexArray[rb_index++] = rb_vertex + 2;
indexArray[rb_index++] = rb_vertex + 3;
VA_SetElem2(texCoordArray[0][rb_vertex], 0, sampleText_tch);
VA_SetElem3(vertexArray[rb_vertex], curView_x, curView_y, 0);
VA_SetElem4(colorArray[rb_vertex], r_bloom_alpha->value, r_bloom_alpha->value, r_bloom_alpha->value, 1.0f);
rb_vertex++;
VA_SetElem2(texCoordArray[0][rb_vertex], 0, 0);
VA_SetElem3(vertexArray[rb_vertex], curView_x, curView_y + curView_height, 0);
VA_SetElem4(colorArray[rb_vertex], r_bloom_alpha->value, r_bloom_alpha->value, r_bloom_alpha->value, 1.0f);
rb_vertex++;
VA_SetElem2(texCoordArray[0][rb_vertex], sampleText_tcw, 0);
VA_SetElem3(vertexArray[rb_vertex], curView_x + curView_width, curView_y + curView_height, 0);
VA_SetElem4(colorArray[rb_vertex], r_bloom_alpha->value, r_bloom_alpha->value, r_bloom_alpha->value, 1.0f);
rb_vertex++;
VA_SetElem2(texCoordArray[0][rb_vertex], sampleText_tcw, sampleText_tch);
VA_SetElem3(vertexArray[rb_vertex], curView_x + curView_width, curView_y, 0);
VA_SetElem4(colorArray[rb_vertex], r_bloom_alpha->value, r_bloom_alpha->value, r_bloom_alpha->value, 1.0f);
rb_vertex++;
RB_DrawArrays();
rb_vertex = rb_index = 0;
GL_Disable(GL_BLEND);
}
/*
==============
R_ShadowBlend
Draws projection shadow(s)
from stenciled volume
==============
*/
void R_ShadowBlend (float shadowalpha)
{
const vec4_t color[4] = {
{0, 0, 0, shadowalpha},
{0, 0, 0, shadowalpha},
{0, 0, 0, shadowalpha},
{0, 0, 0, shadowalpha}
};
static const vec3_t verts[4] = {
{10, 100, 100},
{10, -100, 100},
{10, -100, -100},
{10, 100, -100}
};
static const uint32_t indices[6] = {
0, 1, 2, 0, 2, 3
};
if (r_shadows->value != 3)
return;
GL_PushMatrix(GL_MODELVIEW);
GL_LoadMatrix(GL_MODELVIEW, glState.axisRotation);
GL_Disable (GL_ALPHA_TEST);
GL_Enable (GL_BLEND);
GL_Disable (GL_DEPTH_TEST);
GL_DisableTexture(0);
GL_StencilFunc(GL_NOTEQUAL, 0, 255);
glStencilOp (GL_KEEP, GL_KEEP, GL_KEEP);
GL_Enable(GL_STENCIL_TEST);
rb_vertex = rb_index = 0;
memcpy(indexArray, indices, sizeof(indices));
memcpy(vertexArray, verts, sizeof(vec3_t) * 4);
memcpy(colorArray, color, sizeof(vec4_t) * 4);
rb_index += 6;
rb_vertex += 4;
RB_RenderMeshGeneric (false);
GL_PopMatrix(GL_MODELVIEW);
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GL_Disable (GL_BLEND);
GL_EnableTexture(0);
GL_Enable (GL_DEPTH_TEST);
GL_Disable(GL_STENCIL_TEST);
//GL_Enable (GL_ALPHA_TEST);
glColor4f(1,1,1,1);
}
/*
=================
R_SetBlendModeOff
=================
*/
void R_SetBlendModeOff (void)
{
if ( currententity->flags & RF_TRANSLUCENT )
{
GL_DepthMask (true);
GL_Disable(GL_BLEND);
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
}
/*
=================
R_DrawAliasPlanarShadow
=================
*/
void R_DrawAliasPlanarShadow (maliasmodel_t *paliashdr)
{
maliasmesh_t mesh;
float height, lheight, thisAlpha;
vec3_t point, shadevector;
int i, j;
R_ShadowLight (currententity->origin, shadevector);
lheight = currententity->origin[2] - lightspot[2];
height = -lheight + 0.1f;
if (currententity->flags & RF_TRANSLUCENT)
thisAlpha = aliasShadowAlpha * currententity->alpha; // was r_shadowalpha->value
else
thisAlpha = aliasShadowAlpha; // was r_shadowalpha->value
// don't draw shadows above view origin, thnx to MrG
if (r_newrefdef.vieworg[2] < (currententity->origin[2] + height))
return;
GL_Stencil (true, false);
GL_BlendFunc (GL_SRC_ALPHA_SATURATE, GL_ONE_MINUS_SRC_ALPHA);
rb_vertex = rb_index = 0;
for (i=0; i<paliashdr->num_meshes; i++)
{
mesh = paliashdr->meshes[i];
if (mesh.skins[currententity->skinnum].renderparms.nodraw
|| mesh.skins[currententity->skinnum].renderparms.alphatest
|| mesh.skins[currententity->skinnum].renderparms.noshadow)
continue;
for (j=0; j<mesh.num_verts; j++)
{
VectorCopy(tempVertexArray[i][j], point);
point[0] -= shadevector[0]*(point[2]+lheight);
point[1] -= shadevector[1]*(point[2]+lheight);
point[2] = height;
VA_SetElem3(vertexArray[rb_vertex], point[0], point[1], point[2]);
VA_SetElem4(colorArray[rb_vertex], 0, 0, 0, thisAlpha);
rb_vertex++;
}
for (j=0; j < mesh.num_tris; j++)
{
indexArray[rb_index++] = mesh.indexes[3*j+0];
indexArray[rb_index++] = mesh.indexes[3*j+1];
indexArray[rb_index++] = mesh.indexes[3*j+2];
}
}
RB_DrawArrays (GL_TRIANGLES);
GL_Stencil (false, false);
}
void LightPass::setup(GLRenderer *r) {
Pass::setup(r);
//basically, light pass is like a normal pass but we don't have any ambient light
vec4_t ambient = { 0, 0, 0, 1 };
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
//but we do have additive blending
GL_Enable(GL_BLEND);
GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
}
/*
=================
R_Bloom_DrawEffect
=================
*/
void R_Bloom_DrawEffect( refdef_t *fd )
{
GL_Bind(r_bloomeffecttexture->texnum);
GL_Enable(GL_BLEND);
GL_BlendFunc(GL_ONE, GL_ONE);
qglColor4f(r_bloom_alpha->value + fd->bloomalpha /*bc mod*/, r_bloom_alpha->value + fd->bloomalpha /*bc mod*/, r_bloom_alpha->value + fd->bloomalpha /*bc mod*/, 1.0f);
GL_TexEnv(GL_MODULATE);
qglBegin(GL_QUADS);
qglTexCoord2f( 0, sampleText_tch );
qglVertex2f( curView_x, curView_y );
qglTexCoord2f( 0, 0 );
qglVertex2f( curView_x, curView_y + curView_height );
qglTexCoord2f( sampleText_tcw, 0 );
qglVertex2f( curView_x + curView_width, curView_y + curView_height );
qglTexCoord2f( sampleText_tcw, sampleText_tch );
qglVertex2f( curView_x + curView_width, curView_y );
qglEnd();
GL_Disable(GL_BLEND);
}
/*
=================
R_Bloom_DownsampleView
=================
*/
void R_Bloom_DownsampleView( void )
{
GL_Disable( GL_BLEND );
qglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
//stepped downsample
if( r_screendownsamplingtexture_size )
{
int midsample_width = r_screendownsamplingtexture_size * sampleText_tcw;
int midsample_height = r_screendownsamplingtexture_size * sampleText_tch;
//copy the screen and draw resized
GL_Bind(r_bloomscreentexture->texnum);
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, curView_x, vid.height - (curView_y + curView_height), curView_width, curView_height);
R_Bloom_Quad( 0, vid.height-midsample_height, midsample_width, midsample_height, screenText_tcw, screenText_tch );
//now copy into Downsampling (mid-sized) texture
GL_Bind(r_bloomdownsamplingtexture->texnum);
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, midsample_width, midsample_height);
//now draw again in bloom size
qglColor4f( 0.5f, 0.5f, 0.5f, 1.0f );
R_Bloom_Quad( 0, vid.height-sample_height, sample_width, sample_height, sampleText_tcw, sampleText_tch );
//now blend the big screen texture into the bloom generation space (hoping it adds some blur)
GL_Enable( GL_BLEND );
GL_BlendFunc(GL_ONE, GL_ONE);
qglColor4f( 0.5f, 0.5f, 0.5f, 1.0f );
GL_Bind(r_bloomscreentexture->texnum);
R_Bloom_Quad( 0, vid.height-sample_height, sample_width, sample_height, screenText_tcw, screenText_tch );
qglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
GL_Disable( GL_BLEND );
} else { //downsample simple
GL_Bind(r_bloomscreentexture->texnum);
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, curView_x, vid.height - (curView_y + curView_height), curView_width, curView_height);
R_Bloom_Quad( 0, vid.height-sample_height, sample_width, sample_height, screenText_tcw, screenText_tch );
}
}
/*
* =================
* R_Bloom_GeneratexCross - alternative bluring method
* =================
*/
void R_Bloom_GeneratexCross(void)
{
int i;
static int BLOOM_BLUR_RADIUS = 8;
//static float BLOOM_BLUR_INTENSITY = 2.5f;
float BLOOM_BLUR_INTENSITY;
static float intensity;
static float range;
// set up sample size workspace
glViewport(0, 0, sample_width, sample_height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, sample_width, sample_height, 0, -10, 100);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
// copy small scene into r_bloomeffecttexture
GL_Bind(0, r_bloomeffecttexture);
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
// start modifying the small scene corner
GL_Enable(GL_BLEND);
// darkening passes
if (r_bloom_darken->value)
{
GL_BlendFunc(GL_DST_COLOR, GL_ZERO);
GL_TexEnv(GL_MODULATE);
R_Bloom_DrawStart
for (i = 0; i < r_bloom_darken->value; i++)
{
R_Bloom_SamplePass(0, 0, 1.0f, 1.0f, 1.0f, 1.0f);
}
R_Bloom_DrawFinish
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
}
static void R_DrawExplosion_TransparentCallback(const entity_render_t *ent, const rtlight_t *rtlight, int numsurfaces, int *surfacelist)
{
int surfacelistindex = 0;
const int numtriangles = EXPLOSIONTRIS, numverts = EXPLOSIONVERTS;
GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
GL_DepthMask(false);
GL_DepthRange(0, 1);
GL_PolygonOffset(r_refdef.polygonfactor, r_refdef.polygonoffset);
GL_DepthTest(true);
GL_CullFace(r_refdef.view.cullface_back);
R_EntityMatrix(&identitymatrix);
// R_Mesh_ResetTextureState();
R_SetupShader_Generic(explosiontexture, NULL, GL_MODULATE, 1, false, false, false);
for (surfacelistindex = 0;surfacelistindex < numsurfaces;surfacelistindex++)
{
const explosion_t *e = explosion + surfacelist[surfacelistindex];
// FIXME: this can't properly handle r_refdef.view.colorscale > 1
GL_Color(e->alpha * r_refdef.view.colorscale, e->alpha * r_refdef.view.colorscale, e->alpha * r_refdef.view.colorscale, 1);
R_Mesh_PrepareVertices_Generic_Arrays(numverts, e->vert[0], NULL, explosiontexcoord2f[0]);
R_Mesh_Draw(0, numverts, 0, numtriangles, NULL, NULL, 0, explosiontris[0], NULL, 0);
}
}
/**
* @brief This routine is responsible for setting the most commonly changed state in Q3.
*/
void GL_State(uint32_t stateBits)
{
uint32_t diff = stateBits ^ glState.glStateBits;
if (!diff)
{
return;
}
// check depthFunc bits
if (diff & GLS_DEPTHFUNC_BITS)
{
switch (stateBits & GLS_DEPTHFUNC_BITS)
{
default:
GL_DepthFunc(GL_LEQUAL);
break;
case GLS_DEPTHFUNC_LESS:
GL_DepthFunc(GL_LESS);
break;
case GLS_DEPTHFUNC_EQUAL:
GL_DepthFunc(GL_EQUAL);
break;
}
}
// check blend bits
if (diff & (GLS_SRCBLEND_BITS | GLS_DSTBLEND_BITS))
{
GLenum srcFactor, dstFactor;
if (stateBits & (GLS_SRCBLEND_BITS | GLS_DSTBLEND_BITS))
{
switch (stateBits & GLS_SRCBLEND_BITS)
{
case GLS_SRCBLEND_ZERO:
srcFactor = GL_ZERO;
break;
case GLS_SRCBLEND_ONE:
srcFactor = GL_ONE;
break;
case GLS_SRCBLEND_DST_COLOR:
srcFactor = GL_DST_COLOR;
break;
case GLS_SRCBLEND_ONE_MINUS_DST_COLOR:
srcFactor = GL_ONE_MINUS_DST_COLOR;
break;
case GLS_SRCBLEND_SRC_ALPHA:
srcFactor = GL_SRC_ALPHA;
break;
case GLS_SRCBLEND_ONE_MINUS_SRC_ALPHA:
srcFactor = GL_ONE_MINUS_SRC_ALPHA;
break;
case GLS_SRCBLEND_DST_ALPHA:
srcFactor = GL_DST_ALPHA;
break;
case GLS_SRCBLEND_ONE_MINUS_DST_ALPHA:
srcFactor = GL_ONE_MINUS_DST_ALPHA;
break;
case GLS_SRCBLEND_ALPHA_SATURATE:
srcFactor = GL_SRC_ALPHA_SATURATE;
break;
default:
srcFactor = GL_ONE; // to get warning to shut up
Ren_Drop("GL_State: invalid src blend state bits\n");
break;
}
switch (stateBits & GLS_DSTBLEND_BITS)
{
case GLS_DSTBLEND_ZERO:
dstFactor = GL_ZERO;
break;
case GLS_DSTBLEND_ONE:
dstFactor = GL_ONE;
break;
case GLS_DSTBLEND_SRC_COLOR:
dstFactor = GL_SRC_COLOR;
break;
case GLS_DSTBLEND_ONE_MINUS_SRC_COLOR:
dstFactor = GL_ONE_MINUS_SRC_COLOR;
break;
case GLS_DSTBLEND_SRC_ALPHA:
dstFactor = GL_SRC_ALPHA;
break;
case GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA:
dstFactor = GL_ONE_MINUS_SRC_ALPHA;
break;
case GLS_DSTBLEND_DST_ALPHA:
dstFactor = GL_DST_ALPHA;
break;
case GLS_DSTBLEND_ONE_MINUS_DST_ALPHA:
dstFactor = GL_ONE_MINUS_DST_ALPHA;
break;
default:
dstFactor = GL_ONE; // to get warning to shut up
Ren_Drop("GL_State: invalid dst blend state bits\n");
break;
}
glEnable(GL_BLEND);
GL_BlendFunc(srcFactor, dstFactor);
}
else
{
glDisable(GL_BLEND);
}
}
// check colormask
if (diff & GLS_COLORMASK_BITS)
{
if (stateBits & GLS_COLORMASK_BITS)
{
GL_ColorMask((stateBits & GLS_REDMASK_FALSE) ? GL_FALSE : GL_TRUE,
(stateBits & GLS_GREENMASK_FALSE) ? GL_FALSE : GL_TRUE,
(stateBits & GLS_BLUEMASK_FALSE) ? GL_FALSE : GL_TRUE,
(stateBits & GLS_ALPHAMASK_FALSE) ? GL_FALSE : GL_TRUE);
}
else
{
GL_ColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
}
}
// check depthmask
if (diff & GLS_DEPTHMASK_TRUE)
{
if (stateBits & GLS_DEPTHMASK_TRUE)
{
GL_DepthMask(GL_TRUE);
}
else
{
GL_DepthMask(GL_FALSE);
}
}
// fill/line mode
if (diff & GLS_POLYMODE_LINE)
{
if (stateBits & GLS_POLYMODE_LINE)
{
GL_PolygonMode(GL_FRONT_AND_BACK, GL_LINE);
}
else
{
GL_PolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}
}
// depthtest
if (diff & GLS_DEPTHTEST_DISABLE)
{
if (stateBits & GLS_DEPTHTEST_DISABLE)
{
glDisable(GL_DEPTH_TEST);
}
else
{
glEnable(GL_DEPTH_TEST);
}
}
// alpha test - deprecated in OpenGL 3.0
#if 0
if (diff & GLS_ATEST_BITS)
{
switch (stateBits & GLS_ATEST_BITS)
{
case GLS_ATEST_GT_0:
case GLS_ATEST_LT_128:
case GLS_ATEST_GE_128:
//case GLS_ATEST_GT_CUSTOM:
glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE);
break;
default:
case 0:
glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE);
break;
}
}
#endif
/*
if(diff & GLS_ATEST_BITS)
{
switch (stateBits & GLS_ATEST_BITS)
{
case 0:
glDisable(GL_ALPHA_TEST);
break;
case GLS_ATEST_GT_0:
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.0f);
break;
case GLS_ATEST_LT_80:
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_LESS, 0.5f);
break;
case GLS_ATEST_GE_80:
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GEQUAL, 0.5f);
break;
case GLS_ATEST_GT_CUSTOM:
// FIXME
glEnable(GL_ALPHA_TEST);
glAlphaFunc(GL_GREATER, 0.5f);
break;
default:
assert(0);
break;
}
}
*/
// stenciltest
if (diff & GLS_STENCILTEST_ENABLE)
{
if (stateBits & GLS_STENCILTEST_ENABLE)
{
glEnable(GL_STENCIL_TEST);
}
else
{
glDisable(GL_STENCIL_TEST);
}
}
glState.glStateBits = stateBits;
}
/*
=================
R_Bloom_GeneratexCross - alternative bluring method
=================
*/
void R_Bloom_GeneratexCross( void )
{
int i;
static int BLOOM_BLUR_RADIUS = 8;
//static float BLOOM_BLUR_INTENSITY = 2.5f;
float BLOOM_BLUR_INTENSITY;
static float intensity;
static float range;
//set up sample size workspace
qglViewport( 0, 0, sample_width, sample_height );
qglMatrixMode( GL_PROJECTION );
qglLoadIdentity ();
qglOrtho(0, sample_width, sample_height, 0, -10, 100);
qglMatrixMode( GL_MODELVIEW );
qglLoadIdentity ();
//copy small scene into r_bloomeffecttexture
GL_Bind(0, r_bloomeffecttexture);
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
//start modifying the small scene corner
qglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
GL_Enable(GL_BLEND);
//darkening passes
if( r_bloom_darken->value )
{
GL_BlendFunc(GL_DST_COLOR, GL_ZERO);
GL_TexEnv(GL_MODULATE);
for(i=0; i<r_bloom_darken->value ; i++) {
R_Bloom_SamplePass( 0, 0 );
}
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
}
//bluring passes
if( BLOOM_BLUR_RADIUS ) {
GL_BlendFunc(GL_ONE, GL_ONE);
range = (float)BLOOM_BLUR_RADIUS;
BLOOM_BLUR_INTENSITY = r_bloom_intensity->value;
//diagonal-cross draw 4 passes to add initial smooth
qglColor4f( 0.5f, 0.5f, 0.5f, 1.0);
R_Bloom_SamplePass( 1, 1 );
R_Bloom_SamplePass( -1, 1 );
R_Bloom_SamplePass( -1, -1 );
R_Bloom_SamplePass( 1, -1 );
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
for(i=-(BLOOM_BLUR_RADIUS+1); i<BLOOM_BLUR_RADIUS; i++) {
intensity = BLOOM_BLUR_INTENSITY/(range*2+1)*(1 - fabs(i*i)/(float)(range*range));
if( intensity < 0.05f ) continue;
qglColor4f( intensity, intensity, intensity, 1.0f);
R_Bloom_SamplePass( i, 0 );
//R_Bloom_SamplePass( -i, 0 );
}
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
//for(i=0;i<BLOOM_BLUR_RADIUS;i++) {
for(i=-(BLOOM_BLUR_RADIUS+1); i<BLOOM_BLUR_RADIUS; i++) {
intensity = BLOOM_BLUR_INTENSITY/(range*2+1)*(1 - fabs(i*i)/(float)(range*range));
if( intensity < 0.05f ) continue;
qglColor4f( intensity, intensity, intensity, 1.0f);
R_Bloom_SamplePass( 0, i );
//R_Bloom_SamplePass( 0, -i );
}
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
}
//restore full screen workspace
qglViewport( 0, 0, glState.width, glState.height );
qglMatrixMode( GL_PROJECTION );
qglLoadIdentity ();
qglOrtho(0, glState.width, glState.height, 0, -10, 100);
qglMatrixMode( GL_MODELVIEW );
qglLoadIdentity ();
}
/*
=================
R_Bloom_GeneratexDiamonds
=================
*/
void R_Bloom_GeneratexDiamonds( refdef_t *fd )
{
int i, j;
static float intensity;
//set up sample size workspace
qglViewport( 0, 0, sample_width, sample_height );
qglMatrixMode( GL_PROJECTION );
qglLoadIdentity ();
qglOrtho(0, sample_width, sample_height, 0, -10, 100);
qglMatrixMode( GL_MODELVIEW );
qglLoadIdentity ();
//copy small scene into r_bloomeffecttexture
GL_Bind(r_bloomeffecttexture->texnum);
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
//start modifying the small scene corner
qglColor4f( 1.0f, 1.0f, 1.0f, 1.0f );
GL_Enable(GL_BLEND);
//Com_Printf("%d %d\n", r_bloom_darken->value, fd->bloomdarken);
//darkening passes
if( r_bloom_darken->value )
{
GL_BlendFunc(GL_DST_COLOR, GL_ZERO);
GL_TexEnv(GL_MODULATE);
for(i=0; i< r_bloom_darken->value ; i++) {
R_Bloom_SamplePass( 0, 0 );
}
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
}
//bluring passes
//GL_BlendFunc(GL_ONE, GL_ONE);
GL_BlendFunc(GL_ONE, GL_ONE_MINUS_SRC_COLOR);
if( r_bloom_diamond_size->value > 7 || r_bloom_diamond_size->value <= 3)
{
if( (int)r_bloom_diamond_size->value != 8 ) Cvar_SetValue( "r_bloom_diamond_size", 8 );
for(i=0; i<r_bloom_diamond_size->value; i++) {
for(j=0; j<r_bloom_diamond_size->value; j++) {
intensity = /*bc mod*/(fd->bloomintensity + r_bloom_intensity->value) * 0.3 * Diamond8x[i][j];
if( intensity < r_bloom_threshold->value ) continue;
qglColor4f( intensity, intensity, intensity, 1.0);
R_Bloom_SamplePass( i-4, j-4 );
}
}
} else if( r_bloom_diamond_size->value > 5 ) {
if( r_bloom_diamond_size->value != 6 ) Cvar_SetValue( "r_bloom_diamond_size", 6 );
for(i=0; i<r_bloom_diamond_size->value; i++) {
for(j=0; j<r_bloom_diamond_size->value; j++) {
intensity = /*bc mod*/(fd->bloomintensity + r_bloom_intensity->value) * 0.5 * Diamond6x[i][j];
if( intensity < r_bloom_threshold->value ) continue;
qglColor4f( intensity, intensity, intensity, 1.0);
R_Bloom_SamplePass( i-3, j-3 );
}
}
} else if( r_bloom_diamond_size->value > 3 ) {
if( (int)r_bloom_diamond_size->value != 4 ) Cvar_SetValue( "r_bloom_diamond_size", 4 );
for(i=0; i<r_bloom_diamond_size->value; i++) {
for(j=0; j<r_bloom_diamond_size->value; j++) {
intensity = /*bc mod*/(fd->bloomintensity + r_bloom_intensity->value) * 0.8f * Diamond4x[i][j];
if( intensity < r_bloom_threshold->value ) continue;
qglColor4f( intensity, intensity, intensity, 1.0);
R_Bloom_SamplePass( i-2, j-2 );
}
}
}
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, sample_width, sample_height);
//restore full screen workspace
qglViewport( 0, 0, vid.width, vid.height );
qglMatrixMode( GL_PROJECTION );
qglLoadIdentity ();
qglOrtho(0, vid.width, vid.height, 0, -10, 100);
qglMatrixMode( GL_MODELVIEW );
qglLoadIdentity ();
}
void R_BloomBlend ( refdef_t *fd )
{
if( !(fd->rdflags & RDF_BLOOM) || !r_bloom->value || r_showtris->value )
return;
if( !BLOOM_SIZE )
R_Bloom_InitTextures();
if( screen_texture_width < BLOOM_SIZE ||
screen_texture_height < BLOOM_SIZE )
return;
//set up full screen workspace
qglViewport ( 0, 0, vid.width, vid.height );
GL_TexEnv (GL_REPLACE); // Knightmare added
GL_Disable (GL_DEPTH_TEST);
qglMatrixMode (GL_PROJECTION);
qglLoadIdentity ();
qglOrtho(0, vid.width, vid.height, 0, -10, 100);
qglMatrixMode (GL_MODELVIEW);
qglLoadIdentity ();
GL_Disable (GL_CULL_FACE);
GL_Disable (GL_BLEND);
qglEnable (GL_TEXTURE_2D);
qglColor4f (1, 1, 1, 1);
//set up current sizes
curView_x = fd->x;
curView_y = fd->y;
curView_width = fd->width;
curView_height = fd->height;
screenText_tcw = ((float)fd->width / (float)screen_texture_width);
screenText_tch = ((float)fd->height / (float)screen_texture_height);
if( fd->height > fd->width ) {
sampleText_tcw = ((float)fd->width / (float)fd->height);
sampleText_tch = 1.0f;
} else {
sampleText_tcw = 1.0f;
sampleText_tch = ((float)fd->height / (float)fd->width);
}
sample_width = BLOOM_SIZE * sampleText_tcw;
sample_height = BLOOM_SIZE * sampleText_tch;
//copy the screen space we'll use to work into the backup texture
GL_Bind(r_bloombackuptexture->texnum);
qglCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, r_screenbackuptexture_size * sampleText_tcw, r_screenbackuptexture_size * sampleText_tch);
//create the bloom image
R_Bloom_DownsampleView();
R_Bloom_GeneratexDiamonds( fd );
//R_Bloom_GeneratexCross();
//restore the screen-backup to the screen
GL_Disable(GL_BLEND);
GL_Bind(r_bloombackuptexture->texnum);
qglColor4f( 1, 1, 1, 1 );
R_Bloom_Quad( 0,
vid.height - (r_screenbackuptexture_size * sampleText_tch),
r_screenbackuptexture_size * sampleText_tcw,
r_screenbackuptexture_size * sampleText_tch,
sampleText_tcw,
sampleText_tch );
R_Bloom_DrawEffect( fd );
// Knightmare added
R_SetupGL ();
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
qglEnable (GL_TEXTURE_2D);
qglColor4f(1,1,1,1);
}
/*
=================
R_DrawSpriteModel
=================
*/
void R_DrawSpriteModel (entity_t *e)
{
float alpha = 1.0f;
vec2_t texCoord[4];
vec3_t point[4];
dsprite_t *psprite;
dsprframe_t *frame;
float *up, *right;
int i;
// don't even bother culling, because it's just a single
// polygon without a surface cache
psprite = (dsprite_t *)currentmodel->extradata;
e->frame %= psprite->numframes;
frame = &psprite->frames[e->frame];
if (!frame) return;
c_alias_polys += 2;
// normal sprite
up = vup;
right = vright;
if (e->flags & RF_TRANSLUCENT)
alpha = e->alpha;
R_SetVertexRGBScale (true);
// Psychospaz's additive transparency
if ((currententity->flags & RF_TRANS_ADDITIVE) && (alpha != 1.0f))
{
GL_Enable (GL_BLEND);
GL_TexEnv (GL_MODULATE);
GL_Disable (GL_ALPHA_TEST);
GL_DepthMask (false);
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE);
}
else
{
GL_TexEnv (GL_MODULATE);
if (alpha == 1.0f) {
GL_Enable (GL_ALPHA_TEST);
GL_DepthMask (true);
}
else {
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GL_DepthMask (false);
GL_Enable (GL_BLEND);
GL_Disable (GL_ALPHA_TEST);
}
}
GL_Bind(currentmodel->skins[0][e->frame]->texnum);
Vector2Set(texCoord[0], 0, 1);
Vector2Set(texCoord[1], 0, 0);
Vector2Set(texCoord[2], 1, 0);
Vector2Set(texCoord[3], 1, 1);
VectorMA (e->origin, -frame->origin_y, up, point[0]);
VectorMA (point[0], -frame->origin_x, right, point[0]);
VectorMA (e->origin, frame->height - frame->origin_y, up, point[1]);
VectorMA (point[1], -frame->origin_x, right, point[1]);
VectorMA (e->origin, frame->height - frame->origin_y, up, point[2]);
VectorMA (point[2], frame->width - frame->origin_x, right, point[2]);
VectorMA (e->origin, -frame->origin_y, up, point[3]);
VectorMA (point[3], frame->width - frame->origin_x, right, point[3]);
rb_vertex = rb_index = 0;
indexArray[rb_index++] = rb_vertex+0;
indexArray[rb_index++] = rb_vertex+1;
indexArray[rb_index++] = rb_vertex+2;
indexArray[rb_index++] = rb_vertex+0;
indexArray[rb_index++] = rb_vertex+2;
indexArray[rb_index++] = rb_vertex+3;
for (i=0; i<4; i++) {
VA_SetElem2(texCoordArray[0][rb_vertex], texCoord[i][0], texCoord[i][1]);
VA_SetElem3(vertexArray[rb_vertex], point[i][0], point[i][1], point[i][2]);
VA_SetElem4(colorArray[rb_vertex], 1.0f, 1.0f, 1.0f, alpha);
rb_vertex++;
}
RB_DrawArrays ();
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GL_TexEnv (GL_REPLACE);
GL_DepthMask (true);
GL_Disable (GL_ALPHA_TEST);
GL_Disable (GL_BLEND);
R_SetVertexRGBScale (false);
RB_DrawMeshTris ();
rb_vertex = rb_index = 0;
}
void R_VR_DrawHud()
{
float fov = vr_hud_fov->value;
float depth = vr_hud_depth->value;
int numsegments = vr_hud_segments->value;
int index = 0;
vec_t mat[4][4], temp[4][4];
if (!vr_enabled->value)
return;
// enable alpha testing so only pixels that have alpha info get written out
// prevents black pixels from being rendered into the view
GL_Enable(GL_ALPHA_TEST);
GL_AlphaFunc(GL_GREATER, 0.0f);
// if hud transparency is enabled, enable blending
if (vr_hud_transparency->value)
{
GL_Enable(GL_BLEND);
GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
// bind the texture
GL_MBind(0, hud.texture);
// disable this for the loading screens since they are not at 60fps
if ((vr_hud_bounce->value > 0) && !loadingScreen && ((int32_t) vr_aimmode->value > 0))
{
// load the quaternion directly into a rotation matrix
vec4_t q;
VR_GetOrientationEMAQuat(q);
q[2] = -q[2];
QuatToRotation(q, mat);
} else {
// identity matrix
TranslationMatrix(0,0,0,mat);
}
// set proper mode
// glEnableClientState (GL_TEXTURE_COORD_ARRAY);
// glEnableClientState (GL_VERTEX_ARRAY);
glDisableClientState (GL_COLOR_ARRAY);
// bind vertex buffer and set tex coord parameters
R_BindIVBO(&hudVBO,NULL,0);
glTexCoordPointer(2,GL_FLOAT,sizeof(vert_t),(void *)( sizeof(GL_FLOAT) * 3));
glVertexPointer(3,GL_FLOAT,sizeof(vert_t),NULL);
for (index = 0; index < 2; index++)
{
// bind the eye FBO
R_BindFBO(vrState.eyeFBO[index]);
// set the perspective matrix for that eye
R_PerspectiveScale(vrState.renderParams[index].projection, 0.24, 251.0);
// build the eye translation matrix
if (vr_autoipd->value)
{
TranslationMatrix(-vrState.renderParams[index].viewOffset[0], vrState.renderParams[index].viewOffset[1], vrState.renderParams[index].viewOffset[2], temp);
} else {
float viewOffset = (vr_ipd->value / 2000.0);
TranslationMatrix((-1 + index * 2) * -viewOffset, 0, 0, temp);
}
// load the view matrix
MatrixMultiply(temp, mat, temp);
GL_LoadMatrix(GL_MODELVIEW, temp);
// draw the hud for that eye
R_DrawIVBO(&hudVBO);
}
// teardown
R_ReleaseIVBO();
GL_MBind(0, 0);
glEnableClientState (GL_COLOR_ARRAY);
glTexCoordPointer (2, GL_FLOAT, sizeof(texCoordArray[0][0]), texCoordArray[0][0]);
glVertexPointer (3, GL_FLOAT, sizeof(vertexArray[0]), vertexArray[0]);
GL_Disable(GL_BLEND);
GL_Disable(GL_ALPHA_TEST);
}
void R_DrawCameraEffect (void)
{
image_t *image[2];
int32_t x, y, w, h, i, j;
float texparms[2][4];
vec2_t texCoord[4];
vec3_t verts[4];
renderparms_t cameraParms;
image[0] = R_DrawFindPic ("/gfx/2d/screenstatic.tga");
image[1] = R_DrawFindPic ("/gfx/2d/scanlines.tga");
if (!image[0] || !image[1])
return;
x = y = 0; w = vid.width; h = vid.height;
GL_Disable (GL_ALPHA_TEST);
GL_TexEnv (GL_MODULATE);
GL_Enable (GL_BLEND);
GL_BlendFunc (GL_DST_COLOR, GL_SRC_COLOR);
GL_DepthMask (false);
VectorSet(verts[0], x, y, 0);
VectorSet(verts[1], x+w, y, 0);
VectorSet(verts[2], x+w, y+h, 0);
VectorSet(verts[3], x, y+h, 0);
Vector4Set(texparms[0], 2, 2, -30, 10);
Vector4Set(texparms[1], 1, 10, 0, 0);
rb_vertex = rb_index = 0;
indexArray[rb_index++] = rb_vertex+0;
indexArray[rb_index++] = rb_vertex+1;
indexArray[rb_index++] = rb_vertex+2;
indexArray[rb_index++] = rb_vertex+0;
indexArray[rb_index++] = rb_vertex+2;
indexArray[rb_index++] = rb_vertex+3;
rb_vertex = 4;
for (i=0; i<2; i++)
{
GL_Bind (image[i]->texnum);
Vector2Set(texCoord[0], x/image[i]->width, y/image[i]->height);
Vector2Set(texCoord[1], (x+w)/image[i]->width, y/image[i]->height);
Vector2Set(texCoord[2], (x+w)/image[i]->width, (y+h)/image[i]->height);
Vector2Set(texCoord[3], x/image[i]->width, (y+h)/image[i]->height);
Mod_SetRenderParmsDefaults (&cameraParms);
cameraParms.scale_x = texparms[i][0];
cameraParms.scale_y = texparms[i][1];
cameraParms.scroll_x = texparms[i][2];
cameraParms.scroll_y = texparms[i][3];
RB_ModifyTextureCoords (&texCoord[0][0], &verts[0][0], 4, cameraParms);
for (j=0; j<4; j++) {
VA_SetElem2(texCoordArray[0][j], texCoord[j][0], texCoord[j][1]);
VA_SetElem3(vertexArray[j], verts[j][0], verts[j][1], verts[j][2]);
VA_SetElem4(colorArray[j], 1, 1, 1, 1);
}
RB_DrawArrays ();
}
rb_vertex = rb_index = 0;
GL_DepthMask (true);
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
GL_Disable (GL_BLEND);
GL_TexEnv (GL_REPLACE);
GL_Enable (GL_ALPHA_TEST);
}
void Pass::setup(GLRenderer *) {
vec4_t ambient = { sunLight.ambient[0] * 0.8, sunLight.ambient[1] * 0.8, sunLight.ambient[2] * 0.95, 1 };
GLSL_reset();
shader = NULL;
lightCount = 0;
glPushAttrib(attrib_bits);
//GL_Enable(GL_SCISSOR_TEST);
GL_SwitchTexUnit(GL_TEXTURE0_ARB);
//defaults for pass
GL_Enable(GL_BLEND);
GL_BlendFunc(GL_SRC_ALPHA, GL_ONE);
GL_Enable(GL_CULL_FACE);
GL_Enable(GL_ALPHA_TEST);
//glAlphaFunc(GL_GREATER, 0.0);
GL_ResetColor();
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
//enable the lights for this pass by default
if(allowLighting()) {
if(gfx_GLSLQuality.integer <= 1)
M_MultVec3(ambient, 1.5, ambient);
GL_Enable(GL_LIGHTING);
glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambient);
glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, true);
glShadeModel(GL_SMOOTH);
}
//GL_Enable(GL_NORMALIZE);
//framebuffer
if(gfx_postProcessing.integer) {
if(!target)
target = glScreen;
target->makeTarget();
} else {
glScreen->makeTarget();
}
//depth
GL_Enable(GL_DEPTH_TEST);
GL_DepthMask(depthMask);
GL_DepthFunc(depthFunc);
if(preclearDepth) {
glClearDepth(1.0);
glClear(GL_DEPTH_BUFFER_BIT);
}
if(viewer) {
vec4_t rect;
//FIXME: probably should be a data member for configurable pass "windows"
SET_VEC4(rect, 0, 0, viewer->width, viewer->height);
Scene_SetFrustum(viewer, rect);
Scene_BuildOccluderList(viewer);
if(gfx_debugCamera.integer>0) {
camera_t debugcam;
vec3_t back;
M_MultVec3(viewer->viewaxis[AXIS_FORWARD], -gfx_debugCamera.integer, back);
memcpy(&debugcam, viewer, sizeof(camera_t));
M_AddVec3(debugcam.origin, back, debugcam.origin);
GL_PushCamera(&debugcam);
} else {
GL_PushCamera(viewer);
//scene_cam = viewer;
}
//fog
if (viewer->fog_far > 0 && gfx_fog.integer)
{
vec4_t fog_color = { gfx_fogr.value, gfx_fogg.value, gfx_fogb.value, 0 };
GL_Enable(GL_FOG);
if(gfx_nicerFog.integer)
{
glFogf(GL_FOG_MODE, GL_EXP2);
glFogf(GL_FOG_DENSITY, 1.5 / viewer->fog_far); // Notaus: old value was fixed at 0.00072 and not appropriate for very foggy maps
}
else
{
glFogf(GL_FOG_MODE, GL_LINEAR);
}
glHint(GL_FOG_HINT, GL_NICEST);
if (viewer->fog_near > 0 && viewer->fog_far >= viewer->fog_near)
{
glFogf(GL_FOG_START, viewer->fog_near);
glFogf(GL_FOG_END, viewer->fog_far);
fog_near = viewer->fog_near;
fog_far = viewer->fog_far;
}
else
{
glFogf(GL_FOG_START, gfx_fog_near.value);
glFogf(GL_FOG_END, gfx_fog_far.value);
fog_near = gfx_fog_near.value;
fog_far = gfx_fog_far.value;
}
glFogfv(GL_FOG_COLOR, fog_color);
}
else if (gfx_fog.integer==0) {
GL_Enable(GL_FOG);
glFogf(GL_FOG_START, 90000);
glFogf(GL_FOG_END, 100000); //shaders make it better just to set this ridiculously far out
} else {
GL_Disable(GL_FOG);
}
} else {
GL_Disable(GL_FOG);
}
if(gfx_GLSL.integer)
Cvar_SetVarValue(&gfx_GLSLPass, 1);
else
GL_TexModulate(2.0);
#ifdef DEBUG
GLSL_catchLastError("Pass::setup()");
#endif
}
/*
=================
R_DrawAliasFrameLerp
=================
*/
void R_DrawAliasFrameLerp (maliasmodel_t *paliashdr, entity_t *e)
{
int i, j, k, meshnum;
maliasframe_t *frame, *oldframe;
maliasmesh_t mesh;
maliasvertex_t *v, *ov;
vec3_t move, delta, vectors[3];
vec3_t curScale, oldScale, curNormal, oldNormal;
vec3_t tempNormalsArray[MD3_MAX_VERTS];
vec2_t tempSkinCoord;
vec3_t meshlight, lightcolor;
float alpha, meshalpha, thisalpha, shellscale, frontlerp, backlerp = e->backlerp;
image_t *skin;
renderparms_t skinParms;
qboolean shellModel = e->flags & ( RF_SHELL_RED | RF_SHELL_GREEN | RF_SHELL_BLUE | RF_SHELL_DOUBLE | RF_SHELL_HALF_DAM);
frontlerp = 1.0 - backlerp;
if (e->flags & RF_TRANSLUCENT)
alpha = e->alpha;
else
alpha = 1.0;
frame = paliashdr->frames + e->frame;
oldframe = paliashdr->frames + e->oldframe;
VectorScale(frame->scale, frontlerp, curScale);
VectorScale(oldframe->scale, backlerp, oldScale);
// move should be the delta back to the previous frame * backlerp
VectorSubtract (e->oldorigin, e->origin, delta);
AngleVectors (e->angles, vectors[0], vectors[1], vectors[2]);
move[0] = DotProduct (delta, vectors[0]); // forward
move[1] = -DotProduct (delta, vectors[1]); // left
move[2] = DotProduct (delta, vectors[2]); // up
VectorAdd (move, oldframe->translate, move);
for (i=0 ; i<3 ; i++)
move[i] = backlerp*move[i] + frontlerp*frame->translate[i];
R_SetVertexOverbrights(true);
R_SetShellBlend (true);
// new outer loop for whole model
for (k=0, meshnum=0; k < paliashdr->num_meshes; k++, meshnum++)
{
mesh = paliashdr->meshes[k];
skinParms = mesh.skins[e->skinnum].renderparms;
// select skin
if (e->skin)
skin = e->skin; // custom player skin
else
skin = currentmodel->skins[k][e->skinnum];
if (!skin)
skin = r_notexture;
if ( !shellModel )
GL_Bind(skin->texnum);
else if (FlowingShell())
alpha = 0.7;
// md3 skin scripting
if (skinParms.nodraw)
continue; // skip this mesh for this skin
if (skinParms.twosided)
GL_Disable(GL_CULL_FACE);
if (skinParms.alphatest && !shellModel)
GL_Enable(GL_ALPHA_TEST);
if (skinParms.fullbright)
VectorSet(meshlight, 1.0f, 1.0f, 1.0f);
else
VectorCopy(shadelight, meshlight);
meshalpha = alpha * skinParms.basealpha;
if (meshalpha < 1.0f || skinParms.blend)
GL_Enable (GL_BLEND);
else
GL_Disable (GL_BLEND);
if (skinParms.blend && !shellModel)
GL_BlendFunc (skinParms.blendfunc_src, skinParms.blendfunc_dst);
else
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// md3 skin scripting
v = mesh.vertexes + e->frame*mesh.num_verts;
ov = mesh.vertexes + e->oldframe*mesh.num_verts;
rb_vertex = 0;
for (i=0; i<mesh.num_verts; i++, v++, ov++)
{
// lerp verts
curNormal[0] = r_sinTable[v->normal[0]] * r_cosTable[v->normal[1]];
curNormal[1] = r_sinTable[v->normal[0]] * r_sinTable[v->normal[1]];
curNormal[2] = r_cosTable[v->normal[0]];
oldNormal[0] = r_sinTable[ov->normal[0]] * r_cosTable[ov->normal[1]];
oldNormal[1] = r_sinTable[ov->normal[0]] * r_sinTable[ov->normal[1]];
oldNormal[2] = r_cosTable[ov->normal[0]];
VectorSet ( tempNormalsArray[i],
curNormal[0] + (oldNormal[0] - curNormal[0])*backlerp,
curNormal[1] + (oldNormal[1] - curNormal[1])*backlerp,
curNormal[2] + (oldNormal[2] - curNormal[2])*backlerp );
if (shellModel)
shellscale = (e->flags & RF_WEAPONMODEL) ? WEAPON_SHELL_SCALE: POWERSUIT_SCALE;
else
shellscale = 0.0;
VectorSet ( tempVertexArray[meshnum][i],
move[0] + ov->point[0]*oldScale[0] + v->point[0]*curScale[0] + tempNormalsArray[i][0]*shellscale,
move[1] + ov->point[1]*oldScale[1] + v->point[1]*curScale[1] + tempNormalsArray[i][1]*shellscale,
move[2] + ov->point[2]*oldScale[2] + v->point[2]*curScale[2] + tempNormalsArray[i][2]*shellscale );
// calc lighting and alpha
if (shellModel)
VectorCopy(meshlight, lightcolor);
else
R_LightAliasModel(meshlight, tempNormalsArray[i], lightcolor, v->lightnormalindex, !skinParms.nodiffuse);
//thisalpha = R_CalcEntAlpha(meshalpha, tempVertexArray[meshnum][i]);
thisalpha = meshalpha;
// get tex coords
if (shellModel && FlowingShell()) {
tempSkinCoord[0] = (tempVertexArray[meshnum][i][0] + tempVertexArray[meshnum][i][1]) / 40.0 + shellFlowH;
tempSkinCoord[1] = tempVertexArray[meshnum][i][2] / 40.0 + shellFlowV;
} else {
tempSkinCoord[0] = mesh.stcoords[i].st[0];
tempSkinCoord[1] = mesh.stcoords[i].st[1];
}
// add to arrays
VA_SetElem2(texCoordArray[0][rb_vertex], tempSkinCoord[0], tempSkinCoord[1]);
VA_SetElem3(vertexArray[rb_vertex], tempVertexArray[meshnum][i][0], tempVertexArray[meshnum][i][1], tempVertexArray[meshnum][i][2]);
VA_SetElem4(colorArray[rb_vertex], lightcolor[0], lightcolor[1], lightcolor[2], thisalpha);
rb_vertex++;
}
if (!shellModel)
RB_ModifyTextureCoords (&texCoordArray[0][0][0], &vertexArray[0][0], rb_vertex, skinParms);
// set indices for each triangle and draw
rb_index = 0;
for (j=0; j < mesh.num_tris; j++)
{
indexArray[rb_index++] = mesh.indexes[3*j+0];
indexArray[rb_index++] = mesh.indexes[3*j+1];
indexArray[rb_index++] = mesh.indexes[3*j+2];
}
RB_DrawArrays (GL_TRIANGLES);
// glow pass
if (mesh.skins[e->skinnum].glowimage && !shellModel)
{
float glowcolor;
if (skinParms.glow.type > -1)
glowcolor = RB_CalcGlowColor (skinParms);
else
glowcolor = 1.0;
qglDisableClientState (GL_COLOR_ARRAY);
qglColor4f(glowcolor, glowcolor, glowcolor, 1.0);
GL_Enable (GL_BLEND);
GL_BlendFunc (GL_ONE, GL_ONE);
GL_Bind(mesh.skins[e->skinnum].glowimage->texnum);
RB_DrawArrays (GL_TRIANGLES);
qglEnableClientState (GL_COLOR_ARRAY);
qglColor4f(1.0, 1.0, 1.0, 1.0);
}
// envmap pass
if (skinParms.envmap > 0.0f && !shellModel)
{
GL_Enable (GL_BLEND);
GL_BlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
qglTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
qglTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
// apply alpha to array
for (i=0; i<mesh.num_verts; i++)
//colorArray[i][3] = R_CalcEntAlpha(meshalpha*skinParms.envmap, tempVertexArray[meshnum][i]);
colorArray[i][3] = meshalpha*skinParms.envmap;
GL_Bind(r_envmappic->texnum);
qglEnable(GL_TEXTURE_GEN_S);
qglEnable(GL_TEXTURE_GEN_T);
RB_DrawArrays (GL_TRIANGLES);
qglDisable(GL_TEXTURE_GEN_S);
qglDisable(GL_TEXTURE_GEN_T);
}
RB_DrawMeshTris (GL_TRIANGLES, 1);
// md3 skin scripting
if (skinParms.twosided)
GL_Enable(GL_CULL_FACE);
if (skinParms.alphatest && !shellModel)
GL_Disable(GL_ALPHA_TEST);
GL_Disable (GL_BLEND);
// md3 skin scripting
} // end new outer loop
R_SetShellBlend (false);
R_SetVertexOverbrights(false);
}
