137 lines
2.1 KiB
C
137 lines
2.1 KiB
C
/*
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* Copyright (c) 1993-1995 by Argonaut Technologies Limited. All rights reserved.
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*
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* $Id: material.h 1.19 1995/05/25 13:37:32 sam Exp $
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* $Locker: $
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*
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* Describes the appearance of a material than can be applied to a surface
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*/
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#ifndef _MATERIAL_H_
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#define _MATERIAL_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct br_material {
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char *identifier;
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br_colour colour;
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br_uint_8 opacity;
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br_ufraction ka;
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br_ufraction kd;
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br_ufraction ks;
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/*
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* Specular power
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*/
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br_scalar power;
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/*
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* Controls how texture is rendered
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*/
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br_uint_32 flags;
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/*
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* 2x3 transform applied to model U,V
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*/
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br_matrix23 map_transform;
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/*
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* The direct index ramp base and range
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*/
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br_uint_8 index_base;
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br_uint_8 index_range;
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/*
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* Pointers to colour map
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*/
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br_pixelmap *colour_map;
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/*
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* Pointers to tables
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*/
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br_pixelmap *screendoor; /* Screen door opacity */
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br_pixelmap *index_shade; /* Index shading */
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br_pixelmap *index_blend; /* Index blending */
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/*
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* Private fields
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*/
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br_uint_8 prep_flags;
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void *rptr;
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} br_material;
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/*
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* Bits for br_material->flags
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*/
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enum {
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BR_MATF_LIGHT = 0x00000001,
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BR_MATF_PRELIT = 0x00000002,
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BR_MATF_SMOOTH = 0x00000004,
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BR_MATF_ENVIRONMENT_I = 0x00000008,
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BR_MATF_ENVIRONMENT_L = 0x00000010,
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BR_MATF_PERSPECTIVE = 0x00000020,
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BR_MATF_DECAL = 0x00000040,
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BR_MATF_I_FROM_U = 0x00000080,
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BR_MATF_I_FROM_V = 0x00000100,
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BR_MATF_U_FROM_I = 0x00000200,
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BR_MATF_V_FROM_I = 0x00000400,
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BR_MATF_ALWAYS_VISIBLE = 0x00000800,
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BR_MATF_TWO_SIDED = 0x00001000,
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BR_MATF_FORCE_Z_0 = 0x00002000,
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BR_MATF_DITHER = 0x00004000
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#if 0
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BR_MATF_CUSTOM = 0x00008000
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#endif
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};
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/*
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* Backwards compatibility
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*/
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#define BR_MATF_GOURAUD BR_MATF_SMOOTH
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#define BR_MATF_MAP_COLOUR 0
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/*
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* Flags to BrMaterialUpdate()
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*/
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enum {
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BR_MATU_MAP_TRANSFORM = 0x0001,
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BR_MATU_RENDERING = 0x0002,
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BR_MATU_LIGHTING = 0x0004,
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BR_MATU_COLOURMAP = 0x0008,
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BR_MATU_ALL = 0x7fff
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};
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/*
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* Flags to BrMapUpdate()
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*/
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enum {
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BR_MAPU_ALL = 0x7fff
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};
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/*
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* Flags to BrTableUpdate()
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*/
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enum {
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BR_TABU_ALL = 0x7fff
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};
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#ifdef __cplusplus
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};
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#endif
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#endif
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