/*
=================
R_SetShellBlend
=================
*/
void R_SetShellBlend (qboolean toggle)
{
// shells only
if ( !(currententity->flags & RF_MASK_SHELL) )
return;
if (toggle) //turn on
{
// Psychospaz's envmapping
if (EnvMapShell())
{
glTexGeni(GL_S, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
glTexGeni(GL_T, GL_TEXTURE_GEN_MODE, GL_SPHERE_MAP);
GL_Bind(glMedia.spheremappic->texnum);
glEnable(GL_TEXTURE_GEN_S);
glEnable(GL_TEXTURE_GEN_T);
}
else if (FlowingShell())
GL_Bind(glMedia.shelltexture->texnum);
else
GL_DisableTexture(0);
GL_ClearStencil(0);
glClear(GL_STENCIL_BUFFER_BIT);
GL_StencilFunc(GL_EQUAL, 1, 2);
glStencilOp(GL_KEEP,GL_KEEP,GL_INCR);
GL_Enable(GL_STENCIL_TEST);
shellFlowH = 0.25 * sin(r_newrefdef.time * 0.5 * M_PI);
shellFlowV = -(r_newrefdef.time / 2.0);
}
else // turn off
{
// Psychospaz's envmapping
if (EnvMapShell())
{
glDisable(GL_TEXTURE_GEN_S);
glDisable(GL_TEXTURE_GEN_T);
}
else if (FlowingShell())
{ /*nothing*/ }
else
GL_EnableTexture(0);
GL_Disable(GL_STENCIL_TEST);
}
}
/*
=================
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);
}
