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render_h.pas
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render_h.pas
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// ------------------------------------------------------------------------------
// DelphiQuake, Copyright (C) 2005-2011 by Jim Valavanis
// E-Mail: [email protected]
//
// Copyright (C) 1996-1997 Id Software, Inc.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
//
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// ------------------------------------------------------------------------------
{$I dquake.inc}
{$Z4}
unit render_h;
// refresh.h -- public interface to refresh functions
interface
uses
q_vector,
vid_h;
const
MAXCLIPPLANES = 11;
TOP_RANGE = 16; // soldier uniform colors
BOTTOM_RANGE = 96;
const
WATERDELTA = 8; // JVAL added
// !!! if this is changed, it must be changed in asm_draw.h too !!!
type
Prefdef_t = ^refdef_t;
refdef_t = record
vrect: vrect_t; // subwindow in video for refresh
// FIXME: not need vrect next field here?
aliasvrect: vrect_t; // scaled Alias version
vrectright,
vrectbottom: integer; // right & bottom screen coords
aliasvrectright,
aliasvrectbottom: integer; // scaled Alias versions
vrectrightedge: single; // rightmost right edge we care about,
// for use in edge list
fvrectx, fvrecty: single; // for floating-point compares
fvrectx_adj, fvrecty_adj: single; // left and top edges, for clamping
vrect_x_adj_shift20: integer; // (vrect.x + 0.5 - epsilon) << 20
vrectright_adj_shift20: integer; // (vrectright + 0.5 - epsilon) << 20
fvrectright_adj,
fvrectbottom_adj: single;
// right and bottom edges, for clamping
fvrectright: single; // rightmost edge, for Alias clamping
fvrectbottom: single; // bottommost edge, for Alias clamping
horizontalFieldOfView: single; // at Z = 1.0, this many X is visible
// 2.0 = 90 degrees
xOrigin: single; // should probably allways be 0.5
yOrigin: single; // between be around 0.3 to 0.5
vieworg: TVector3f;
viewangles: TVector3f;
fov_x, fov_y: single;
ambientlight: integer;
end;
implementation
end.