erebus

diff liberebus/src/material.cc @ 4:93894c232d65

more changes across the board
author John Tsiombikas <nuclear@member.fsf.org>
date Tue, 29 Apr 2014 07:38:40 +0300
parents
children e2d9bf168a41
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/liberebus/src/material.cc	Tue Apr 29 07:38:40 2014 +0300
     1.3 @@ -0,0 +1,107 @@
     1.4 +#include "material.h"
     1.5 +
     1.6 +MatAttrib::MatAttrib()
     1.7 +	: value(1), color(1, 1, 1), map(0)
     1.8 +{
     1.9 +}
    1.10 +
    1.11 +MatAttrib::MatAttrib(const Color &col, Texture *tex)
    1.12 +{
    1.13 +	set_color(col);
    1.14 +	map = tex;
    1.15 +}
    1.16 +
    1.17 +void MatAttrib::set_value(float val)
    1.18 +{
    1.19 +	value = val;
    1.20 +	color = Color{val, val, val};
    1.21 +}
    1.22 +
    1.23 +void MatAttrib::set_color(const Color &col)
    1.24 +{
    1.25 +	color = col;
    1.26 +	value = color_luminance(col);
    1.27 +}
    1.28 +
    1.29 +void MatAttrib::set_map(Texture *tex)
    1.30 +{
    1.31 +	map = tex;
    1.32 +}
    1.33 +
    1.34 +Texture *MatAttrib::get_map() const
    1.35 +{
    1.36 +	return map;
    1.37 +}
    1.38 +
    1.39 +float MatAttrib::get_value() const
    1.40 +{
    1.41 +	return value;
    1.42 +}
    1.43 +
    1.44 +float MatAttrib::get_value(float u, float v) const
    1.45 +{
    1.46 +	return map ? value * color_luminance(map->lookup(u, v)) : value;
    1.47 +}
    1.48 +
    1.49 +const Color &MatAttrib::get_color() const
    1.50 +{
    1.51 +	return color;
    1.52 +}
    1.53 +
    1.54 +Color MatAttrib::get_color(float u, float v) const
    1.55 +{
    1.56 +	return map ? color * map->lookup(u, v) : color;
    1.57 +}
    1.58 +
    1.59 +
    1.60 +// --- class Material ---
    1.61 +
    1.62 +MatAttrib Material::def_attrib;
    1.63 +
    1.64 +Material::Material()
    1.65 +{
    1.66 +}
    1.67 +
    1.68 +void Material::set_attrib(const char *name, const Color &color, Texture *tex)
    1.69 +{
    1.70 +	attrib[name] = MatAttrib{color, tex};
    1.71 +}
    1.72 +
    1.73 +MatAttrib &Material::get_attrib(const char *name)
    1.74 +{
    1.75 +	auto it = attrib.find(name);
    1.76 +	if(it == attrib.end()) {
    1.77 +		return def_attrib;
    1.78 +	}
    1.79 +	return it->second;
    1.80 +}
    1.81 +
    1.82 +const MatAttrib &Material::get_attrib(const char *name) const
    1.83 +{
    1.84 +	auto it = attrib.find(name);
    1.85 +	if(it == attrib.end()) {
    1.86 +		return def_attrib;
    1.87 +	}
    1.88 +	return it->second;
    1.89 +}
    1.90 +
    1.91 +float Material::get_attrib_value(const char *name) const
    1.92 +{
    1.93 +	return get_attrib(name).get_value();
    1.94 +}
    1.95 +
    1.96 +float Material::get_attrib_value(const char *name, float u, float v) const
    1.97 +{
    1.98 +	return get_attrib(name).get_value(u, v);
    1.99 +}
   1.100 +
   1.101 +Color Material::get_attrib_color(const char *name) const
   1.102 +{
   1.103 +	return get_attrib(name).get_color();
   1.104 +}
   1.105 +
   1.106 +Color Material::get_attrib_color(const char *name, float u, float v) const
   1.107 +{
   1.108 +	return get_attrib(name).get_color(u, v);
   1.109 +}
   1.110 +