void R_DrawAliasShadows (entity_t **ents, int numents, void *meshbuffer) { if (r_shadows.value > 0.01f) { int i; qbool stateset = false; byte shadecolor[4] = {0, 0, 0, 128}; // extern int gl_stencilbits; for (i = 0; i < numents; i++) { entity_t *ent = ents[i]; glmatrix eshadow; if (!(ent->model->flags & MOD_NOSHADOW)) { aliasstate_t *state = &ent->aliasstate; aliashdr_t *hdr = Mod_Extradata (ent->model); float lheight = state->origin[2] - state->lightspot[2]; if (!stateset) { float *mesh = (float *) meshbuffer; qglDepthMask (GL_FALSE); qglEnable (GL_BLEND); GL_TexEnv (GL_TEXTURE1_ARB, GL_TEXTURE_2D, GL_NONE); GL_TexEnv (GL_TEXTURE0_ARB, GL_TEXTURE_2D, GL_NONE); qglColor4f (0, 0, 0, r_shadows.value); shadecolor[3] = BYTE_CLAMPF (r_shadows.value); /* if (gl_stencilbits) { qglEnable (GL_STENCIL_TEST); qglStencilFunc (GL_EQUAL, 1, 2); qglStencilOp (GL_KEEP, GL_KEEP, GL_INCR); } */ GL_SetStreamSource (GLSTREAM_POSITION, 3, GL_FLOAT, sizeof (float) * 4, mesh); GL_SetStreamSource (GLSTREAM_COLOR, 4, GL_UNSIGNED_BYTE, sizeof (float) * 4, &mesh[3]); GL_SetStreamSource (GLSTREAM_TEXCOORD0, 0, GL_NONE, 0, NULL); GL_SetStreamSource (GLSTREAM_TEXCOORD1, 0, GL_NONE, 0, NULL); GL_SetStreamSource (GLSTREAM_TEXCOORD2, 0, GL_NONE, 0, NULL); stateset = true; } GL_LoadMatrix (&eshadow, &r_world_matrix); if (state->origin[0] || state->origin[1] || state->origin[2]) GL_TranslateMatrix (&eshadow, state->origin[0], state->origin[1], state->origin[2]); GL_TranslateMatrix (&eshadow, 0, 0, -lheight); GL_MultiplyMatrix (&eshadow, &shadowmatrix, &eshadow); GL_TranslateMatrix (&eshadow, 0, 0, lheight); if (state->angles[1]) GL_RotateMatrix (&eshadow, state->angles[1], 0, 0, 1); GL_TranslateMatrix (&eshadow, hdr->scale_origin[0], hdr->scale_origin[1], hdr->scale_origin[2]); GL_ScaleMatrix (&eshadow, hdr->scale[0], hdr->scale[1], hdr->scale[2]); qglLoadMatrixf (eshadow.m16); R_DrawAliasShadow (ent, hdr, state, (float *) meshbuffer, (float *) shadecolor); } } if (stateset) { /* if (gl_stencilbits) qglDisable (GL_STENCIL_TEST); */ GL_TexEnv (GL_TEXTURE0_ARB, GL_TEXTURE_2D, GL_REPLACE); qglDisable (GL_BLEND); qglDepthMask (GL_TRUE); qglColor4f (1, 1, 1, 1); qglLoadMatrixf (r_world_matrix.m16); } } }
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 ( gl_lefthand->value == 2 ) { return; } } paliashdr = (dmdl_t *) currentmodel->extradata; /* get lighting information */ if ( currententity->flags & ( RF_SHELL_HALF_DAM | RF_SHELL_GREEN | RF_SHELL_RED | RF_SHELL_BLUE | RF_SHELL_DOUBLE ) ) { VectorClear( shadelight ); if ( currententity->flags & RF_SHELL_HALF_DAM ) { shadelight [ 0 ] = 0.56; shadelight [ 1 ] = 0.59; shadelight [ 2 ] = 0.45; } if ( currententity->flags & RF_SHELL_DOUBLE ) { shadelight [ 0 ] = 0.9; shadelight [ 1 ] = 0.7; } if ( currententity->flags & RF_SHELL_RED ) { shadelight [ 0 ] = 1.0; } if ( currententity->flags & RF_SHELL_GREEN ) { shadelight [ 1 ] = 1.0; } if ( currententity->flags & RF_SHELL_BLUE ) { shadelight [ 2 ] = 1.0; } } 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 */ 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 ] ) { gl_lightlevel->value = 150 * shadelight [ 0 ]; } else { gl_lightlevel->value = 150 * shadelight [ 2 ]; } } else { if ( shadelight [ 1 ] > shadelight [ 2 ] ) { gl_lightlevel->value = 150 * shadelight [ 1 ]; } else { gl_lightlevel->value = 150 * shadelight [ 2 ]; } } } } 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; } } } /* 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; } 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 ) && ( gl_lefthand->value == 1.0F ) ) { extern void R_MYgluPerspective ( GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar ); qglMatrixMode( GL_PROJECTION ); qglPushMatrix(); qglLoadIdentity(); qglScalef( -1, 1, 1 ); R_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 ]; R_RotateForEntity( e ); e->angles [ PITCH ] = -e->angles [ PITCH ]; /* 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... */ } R_Bind( skin->texnum ); /* draw it */ qglShadeModel( GL_SMOOTH ); R_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 ( !gl_lerpmodels->value ) { currententity->backlerp = 0; } R_DrawAliasFrameLerp( paliashdr, currententity->backlerp ); R_TexEnv( GL_REPLACE ); qglShadeModel( GL_FLAT ); qglPopMatrix(); if ( ( currententity->flags & RF_WEAPONMODEL ) && ( gl_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 ( gl_shadows->value && !( currententity->flags & ( RF_TRANSLUCENT | RF_WEAPONMODEL | RF_NOSHADOW ) ) ) { qglPushMatrix(); /* don't rotate shadows on ungodly axes */ qglTranslatef( e->origin [ 0 ], e->origin [ 1 ], e->origin [ 2 ] ); qglRotatef( e->angles [ 1 ], 0, 0, 1 ); qglDisable( GL_TEXTURE_2D ); qglEnable( GL_BLEND ); qglColor4f( 0, 0, 0, 0.5f ); R_DrawAliasShadow( paliashdr, currententity->frame ); qglEnable( GL_TEXTURE_2D ); qglDisable( GL_BLEND ); qglPopMatrix(); } qglColor4f( 1, 1, 1, 1 ); }