/*
================
R_DrawShadows
================
*/
void R_DrawShadows (void)
{
int i;
if (!r_shadows.value || !r_drawentities.value || r_drawflat_cheatsafe || r_lightmap_cheatsafe)
return;
// Use stencil buffer to prevent self-intersecting shadows, from Baker (MarkV)
if (gl_stencilbits)
{
glClear(GL_STENCIL_BUFFER_BIT);
glStencilFunc(GL_EQUAL, 0, ~0);
glStencilOp(GL_KEEP, GL_KEEP, GL_INCR);
glEnable(GL_STENCIL_TEST);
}
for (i=0 ; i<cl_numvisedicts ; i++)
{
currententity = cl_visedicts[i];
if (currententity->model->type != mod_alias)
continue;
if (currententity == &cl.viewent)
return;
GL_DrawAliasShadow (currententity);
}
if (gl_stencilbits)
{
glDisable(GL_STENCIL_TEST);
}
}
/*
================
R_DrawShadows
================
*/
void R_DrawShadows (void)
{
int i;
if (!r_shadows.value || !r_drawentities.value || r_drawflat_cheatsafe || r_lightmap_cheatsafe)
return;
for (i=0 ; i<cl_numvisedicts ; i++)
{
currententity = cl_visedicts[i];
if (currententity->model->type != mod_alias)
continue;
if (currententity == &cl.viewent)
return;
GL_DrawAliasShadow (currententity);
}
}
/*
=================
R_DrawAliasModel
=================
*/
void R_DrawAliasModel (entity_t *e)
{
int i;
dmdl_t *paliashdr;
float an;
vec3_t bbox[8];
image_t *skin;
if ( !( e->flags & RF_WEAPONMODEL ) )
{
if ( R_CullAliasModel( bbox, e ) )
return;
}
if ( e->flags & RF_WEAPONMODEL )
{
if ( r_lefthand->value == 2 )
return;
}
paliashdr = (dmdl_t *)currentmodel->extradata;
//
// get lighting information
//
// PMM - rewrote, reordered to handle new shells & mixing
//
if ( currententity->flags & ( RF_SHELL_HALF_DAM | RF_SHELL_GREEN | RF_SHELL_RED | RF_SHELL_BLUE | RF_SHELL_DOUBLE ) )
{
// PMM -special case for godmode
if ( (currententity->flags & RF_SHELL_RED) &&
(currententity->flags & RF_SHELL_BLUE) &&
(currententity->flags & RF_SHELL_GREEN) )
{
for (i=0 ; i<3 ; i++)
shadelight[i] = 1.0;
}
else if ( currententity->flags & ( RF_SHELL_RED | RF_SHELL_BLUE | RF_SHELL_DOUBLE ) )
{
VectorClear (shadelight);
if ( currententity->flags & RF_SHELL_RED )
{
shadelight[0] = 1.0;
if (currententity->flags & (RF_SHELL_BLUE|RF_SHELL_DOUBLE) )
shadelight[2] = 1.0;
}
else if ( currententity->flags & RF_SHELL_BLUE )
{
if ( currententity->flags & RF_SHELL_DOUBLE )
{
shadelight[1] = 1.0;
shadelight[2] = 1.0;
}
else
{
shadelight[2] = 1.0;
}
}
else if ( currententity->flags & RF_SHELL_DOUBLE )
{
shadelight[0] = 0.9;
shadelight[1] = 0.7;
}
}
else if ( currententity->flags & ( RF_SHELL_HALF_DAM | RF_SHELL_GREEN ) )
{
VectorClear (shadelight);
// PMM - new colors
if ( currententity->flags & RF_SHELL_HALF_DAM )
{
shadelight[0] = 0.56;
shadelight[1] = 0.59;
shadelight[2] = 0.45;
}
if ( currententity->flags & RF_SHELL_GREEN )
{
shadelight[1] = 1.0;
}
}
}
//PMM - ok, now flatten these down to range from 0 to 1.0.
// max_shell_val = max(shadelight[0], max(shadelight[1], shadelight[2]));
// if (max_shell_val > 0)
// {
// for (i=0; i<3; i++)
// {
// shadelight[i] = shadelight[i] / max_shell_val;
// }
// }
// pmm
else if ( currententity->flags & RF_FULLBRIGHT )
{
for (i=0 ; i<3 ; i++)
shadelight[i] = 1.0;
}
else
{
R_LightPoint (currententity->origin, shadelight);
// player lighting hack for communication back to server
// big hack!
if ( currententity->flags & RF_WEAPONMODEL )
{
// pick the greatest component, which should be the same
// as the mono value returned by software
if (shadelight[0] > shadelight[1])
{
if (shadelight[0] > shadelight[2])
r_lightlevel->value = 150*shadelight[0];
else
r_lightlevel->value = 150*shadelight[2];
}
else
{
if (shadelight[1] > shadelight[2])
r_lightlevel->value = 150*shadelight[1];
else
r_lightlevel->value = 150*shadelight[2];
}
}
if ( gl_monolightmap->string[0] != '0' )
{
float s = shadelight[0];
if ( s < shadelight[1] )
s = shadelight[1];
if ( s < shadelight[2] )
s = shadelight[2];
shadelight[0] = s;
shadelight[1] = s;
shadelight[2] = s;
}
}
if ( currententity->flags & RF_MINLIGHT )
{
for (i=0 ; i<3 ; i++)
if (shadelight[i] > 0.1)
break;
if (i == 3)
{
shadelight[0] = 0.1;
shadelight[1] = 0.1;
shadelight[2] = 0.1;
}
}
if ( currententity->flags & RF_GLOW )
{ // bonus items will pulse with time
float scale;
float min;
scale = 0.1 * sin(r_newrefdef.time*7);
for (i=0 ; i<3 ; i++)
{
min = shadelight[i] * 0.8;
shadelight[i] += scale;
if (shadelight[i] < min)
shadelight[i] = min;
}
}
// =================
// PGM ir goggles color override
if ( r_newrefdef.rdflags & RDF_IRGOGGLES && currententity->flags & RF_IR_VISIBLE)
{
shadelight[0] = 1.0;
shadelight[1] = 0.0;
shadelight[2] = 0.0;
}
// PGM
// =================
shadedots = r_avertexnormal_dots[((int)(currententity->angles[1] * (SHADEDOT_QUANT / 360.0))) & (SHADEDOT_QUANT - 1)];
an = currententity->angles[1]/180*M_PI;
shadevector[0] = cos(-an);
shadevector[1] = sin(-an);
shadevector[2] = 1;
VectorNormalize (shadevector);
//
// locate the proper data
//
c_alias_polys += paliashdr->num_tris;
//
// draw all the triangles
//
if (currententity->flags & RF_DEPTHHACK) // hack the depth range to prevent view model from poking into walls
qglDepthRange (gldepthmin, gldepthmin + 0.3*(gldepthmax-gldepthmin));
if ( ( currententity->flags & RF_WEAPONMODEL ) && ( r_lefthand->value == 1.0F ) )
{
extern void MYgluPerspective( GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar );
qglMatrixMode( GL_PROJECTION );
qglPushMatrix();
qglLoadIdentity();
qglScalef( -1, 1, 1 );
MYgluPerspective( r_newrefdef.fov_y, ( float ) r_newrefdef.width / r_newrefdef.height, 4, 4096);
qglMatrixMode( GL_MODELVIEW );
qglCullFace( GL_BACK );
}
qglPushMatrix ();
e->angles[PITCH] = -e->angles[PITCH]; // sigh.
R_RotateForEntity (e);
e->angles[PITCH] = -e->angles[PITCH]; // sigh.
// select skin
if (currententity->skin)
skin = currententity->skin; // custom player skin
else
{
if (currententity->skinnum >= MAX_MD2SKINS)
skin = currentmodel->skins[0];
else
{
skin = currentmodel->skins[currententity->skinnum];
if (!skin)
skin = currentmodel->skins[0];
}
}
if (!skin)
skin = r_notexture; // fallback...
GL_Bind(skin->texnum);
// draw it
qglShadeModel (GL_SMOOTH);
GL_TexEnv( GL_MODULATE );
if ( currententity->flags & RF_TRANSLUCENT )
{
qglEnable (GL_BLEND);
}
if ( (currententity->frame >= paliashdr->num_frames)
|| (currententity->frame < 0) )
{
ri.Con_Printf (PRINT_ALL, "R_DrawAliasModel %s: no such frame %d\n",
currentmodel->name, currententity->frame);
currententity->frame = 0;
currententity->oldframe = 0;
}
if ( (currententity->oldframe >= paliashdr->num_frames)
|| (currententity->oldframe < 0))
{
ri.Con_Printf (PRINT_ALL, "R_DrawAliasModel %s: no such oldframe %d\n",
currentmodel->name, currententity->oldframe);
currententity->frame = 0;
currententity->oldframe = 0;
}
if ( !r_lerpmodels->value )
currententity->backlerp = 0;
GL_DrawAliasFrameLerp (paliashdr, currententity->backlerp);
GL_TexEnv( GL_REPLACE );
qglShadeModel (GL_FLAT);
qglPopMatrix ();
#if 0
qglDisable( GL_CULL_FACE );
qglPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
qglDisable( GL_TEXTURE_2D );
qglBegin( GL_TRIANGLE_STRIP );
for ( i = 0; i < 8; i++ )
{
qglVertex3fv( bbox[i] );
}
qglEnd();
qglEnable( GL_TEXTURE_2D );
qglPolygonMode( GL_FRONT_AND_BACK, GL_FILL );
qglEnable( GL_CULL_FACE );
#endif
if ( ( currententity->flags & RF_WEAPONMODEL ) && ( r_lefthand->value == 1.0F ) )
{
qglMatrixMode( GL_PROJECTION );
qglPopMatrix();
qglMatrixMode( GL_MODELVIEW );
qglCullFace( GL_FRONT );
}
if ( currententity->flags & RF_TRANSLUCENT )
{
qglDisable (GL_BLEND);
}
if (currententity->flags & RF_DEPTHHACK)
qglDepthRange (gldepthmin, gldepthmax);
#if 1
if (gl_shadows->value && !(currententity->flags & (RF_TRANSLUCENT | RF_WEAPONMODEL)))
{
qglPushMatrix ();
R_RotateForEntity (e);
qglDisable (GL_TEXTURE_2D);
qglEnable (GL_BLEND);
qglColor4f (0,0,0,0.5);
GL_DrawAliasShadow (paliashdr, currententity->frame );
qglEnable (GL_TEXTURE_2D);
qglDisable (GL_BLEND);
qglPopMatrix ();
}
#endif
qglColor4f (1,1,1,1);
}
/*
=================
R_DrawAliasModel
=================
*/
void R_DrawAliasModel (entity_t *e)
{
int i, j;
int lnum;
vec3_t dist;
float add;
model_t *clmodel;
vec3_t mins, maxs;
aliashdr_t *paliashdr;
trivertx_t *verts, *v;
int index;
float s, t, an;
int anim;
clmodel = currententity->model;
VectorAdd (currententity->origin, clmodel->mins, mins);
VectorAdd (currententity->origin, clmodel->maxs, maxs);
if (R_CullBox (mins, maxs))
return;
VectorCopy (currententity->origin, r_entorigin);
VectorSubtract (r_origin, r_entorigin, modelorg);
//
// get lighting information
//
ambientlight = shadelight = R_LightPoint (currententity->origin);
// allways give the gun some light
if (e == &cl.viewent && ambientlight < 24)
ambientlight = shadelight = 24;
for (lnum=0 ; lnum<MAX_DLIGHTS ; lnum++)
{
if (cl_dlights[lnum].die >= cl.time)
{
VectorSubtract (currententity->origin,
cl_dlights[lnum].origin,
dist);
add = cl_dlights[lnum].radius - Length(dist);
if (add > 0) {
ambientlight += add;
//ZOID models should be affected by dlights as well
shadelight += add;
}
}
}
// clamp lighting so it doesn't overbright as much
if (ambientlight > 128)
ambientlight = 128;
if (ambientlight + shadelight > 192)
shadelight = 192 - ambientlight;
// ZOID: never allow players to go totally black
i = currententity - cl_entities;
if (i >= 1 && i<=cl.maxclients /* && !strcmp (currententity->model->name, "progs/player.mdl") */)
if (ambientlight < 8)
ambientlight = shadelight = 8;
// HACK HACK HACK -- no fullbright colors, so make torches full light
if (!strcmp (clmodel->name, "progs/flame2.mdl")
|| !strcmp (clmodel->name, "progs/flame.mdl") )
ambientlight = shadelight = 256;
shadedots = r_avertexnormal_dots[((int)(e->angles[1] * (SHADEDOT_QUANT / 360.0))) & (SHADEDOT_QUANT - 1)];
shadelight = shadelight / 200.0;
an = e->angles[1]/180*M_PI;
shadevector[0] = cos(-an);
shadevector[1] = sin(-an);
shadevector[2] = 1;
VectorNormalize (shadevector);
//
// locate the proper data
//
paliashdr = (aliashdr_t *)Mod_Extradata (currententity->model);
c_alias_polys += paliashdr->numtris;
//
// draw all the triangles
//
GL_DisableMultitexture();
glPushMatrix ();
R_RotateForEntity (e);
if (!strcmp (clmodel->name, "progs/eyes.mdl") && gl_doubleeyes.value) {
glTranslatef (paliashdr->scale_origin[0], paliashdr->scale_origin[1], paliashdr->scale_origin[2] - (22 + 8));
// double size of eyes, since they are really hard to see in gl
glScalef (paliashdr->scale[0]*2, paliashdr->scale[1]*2, paliashdr->scale[2]*2);
} else {
glTranslatef (paliashdr->scale_origin[0], paliashdr->scale_origin[1], paliashdr->scale_origin[2]);
glScalef (paliashdr->scale[0], paliashdr->scale[1], paliashdr->scale[2]);
}
anim = (int)(cl.time*10) & 3;
GL_Bind(paliashdr->gl_texturenum[currententity->skinnum][anim]);
// we can't dynamically colormap textures, so they are cached
// seperately for the players. Heads are just uncolored.
if (currententity->colormap != vid.colormap && !gl_nocolors.value)
{
i = currententity - cl_entities;
if (i >= 1 && i<=cl.maxclients /* && !strcmp (currententity->model->name, "progs/player.mdl") */)
GL_Bind(playertextures - 1 + i);
}
if (gl_smoothmodels.value)
glShadeModel (GL_SMOOTH);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
if (gl_affinemodels.value)
glHint (GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
R_SetupAliasFrame (currententity->frame, paliashdr);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glShadeModel (GL_FLAT);
if (gl_affinemodels.value)
glHint (GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glPopMatrix ();
if (r_shadows.value)
{
glPushMatrix ();
R_RotateForEntity (e);
glDisable (GL_TEXTURE_2D);
glEnable (GL_BLEND);
glColor4f (0,0,0,0.5);
GL_DrawAliasShadow (paliashdr, lastposenum);
glEnable (GL_TEXTURE_2D);
glDisable (GL_BLEND);
glColor4f (1,1,1,1);
glPopMatrix ();
}
}