asm_draw.pas

来自「雷神之锤2(Quake2)Delphi源码」· PAS 代码 · 共 160 行

{----------------------------------------------------------------------------}
{                                                                            }
{ File(s): asm_draw.h                                                        }
{                                                                            }
{ Initial conversion by : Massimo Soricetti ([e-mail])               }
{ Initial conversion on : 07-Jan-2002                                        }
{                                                                            }
{ This File contains part of convertion of Quake2 source to ObjectPascal.    }
{ More information about this project can be found at:                       }
{ http://www.sulaco.co.za/quake2/                                            }
{                                                                            }
{ Copyright (C) 1997-2001 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.                       }
{                                                                            }
{----------------------------------------------------------------------------}
{ Updated on :                                                               }
{ Updated by :                                                               }
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{----------------------------------------------------------------------------}
{ * Still dependent (to compile correctly) on:                               }
{ ?                                                                          }
{----------------------------------------------------------------------------}
{ * TODO:                                                                    }
{ ?                                                                          }
{----------------------------------------------------------------------------}

unit asm_draw;

interface

// !!! note that this file must match the corresponding C structures at all
// times !!!


// !!! if this is changed, it must be changed in r_local.h too !!!
const

NEAR_CLIP = 0.01;

// !!! if this is changed, it must be changed in r_local.h too !!!
CYCLE =	128;

// espan_t structure
// !!! if this is changed, it must be changed in r_shared.h too !!!
espan_t_u     = 0;
espan_t_v     = 4;
espan_t_count = 8;
espan_t_pnext =	12;
espan_t_size  = 16;

// sspan_t structure
// !!! if this is changed, it must be changed in d_local.h too !!!
span_t_u      =	0;
sspan_t_v     = 4;
sspan_t_count = 8;
sspan_t_pnext =	12;
sspan_t_size  = 16;

// edge_t structure
// !!! if this is changed, it must be changed in r_shared.h too !!!
et_u            = 0;
et_u_step       = 4;
et_prev         = 8;
et_next         = 12;
et_surfs        = 16;
et_nextremove	= 20;
et_nearzi  	= 24;
et_owner   	= 28;
et_size		= 32;

// surf_t structure
// !!! if this is changed, it must be changed in r_shared.h too !!!
SURF_T_SHIFT  = 6;
st_next	      = 0;
st_prev	      = 4;
st_spans      = 8;
st_key	      = 12;
st_last_u     =	16;
st_spanstate  =	20;
st_flags      =	24;
st_data	      = 28;
st_entity     =	32;
st_nearzi     =	36;
st_insubmodel =	40;
st_d_ziorigin =	44;
st_d_zistepu  =	48;
st_d_zistepv  =	52;
st_pad	      =	56;
st_size	      =	64;

// clipplane_t structure
// !!! if this is changed, it must be changed in r_local.h too !!!
cp_normal    = 0;
cp_dist	     = 12;
cp_next	     = 16;
cp_leftedge  = 20;
cp_rightedge = 21;
cp_reserved  = 22;
cp_size	     = 24;

// medge_t structure
// !!! if this is changed, it must be changed in model.h too !!!
me_v		    = 0;
me_cachededgeoffset = 4;
me_size		    = 8;

// mvertex_t structure
// !!! if this is changed, it must be changed in model.h too !!!
mv_position = 0;
mv_size	    = 12;

// refdef_t structure
// !!! if this is changed, it must be changed in render.h too !!!
rd_vrect	        = 0;
rd_aliasvrect	        = 20;
rd_vrectright	        = 40;
rd_vrectbottom	        = 44;
rd_aliasvrectright      = 48;
rd_aliasvrectbottom     = 52;
rd_vrectrightedge       = 56;
rd_fvrectx	        = 60;
rd_fvrecty	        = 64;
rd_fvrectx_adj	        = 68;
rd_fvrecty_adj	        = 72;
rd_vrect_x_adj_shift20	= 76;
rd_vrectright_adj_shift20 = 80;
rd_fvrectright_adj	  = 84;
rd_fvrectbottom_adj	  = 88;
rd_fvrectright		  = 92;
rd_fvrectbottom		  = 96;
rd_horizontalFieldOfView  = 100;
rd_xOrigin	          = 104;
rd_yOrigin      	  = 108;
rd_vieworg	          = 112;
rd_viewangles   	  = 124;
rd_ambientlight	          = 136;
rd_size	        	  = 140;

// mtriangle_t structure
// !!! if this is changed, it must be changed in model.h too !!!
mtri_facesfront = 0;
mtri_vertindex  = 4;
mtri_size       = 16;	// !!! if this changes, array indexing in !!!
	      		// !!! d_polysa.s must be changed to match !!!
mtri_shift = 4;

implementation

end.