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/cvs/cvsroot/libgender/material.C
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Comparing cvsroot/libgender/material.C (file contents):
Revision 1.27 by root, Mon Nov 1 20:20:22 2004 UTC vs.
Revision 1.36 by root, Thu Nov 4 04:49:04 2004 UTC

… …
7#include "material.h" 7#include "material.h"
8#include "view.h" 8#include "view.h"
9#include "util.h" 9#include "util.h"
10 10
11material::~material () 11material::~material ()
12{
13}
14
15void
16simple_material::enable (view &ctx)
17{
18 glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *) & diffuse);
19 glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *) & specular);
20 glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *) & emission);
21 glMaterialf (GL_FRONT, GL_SHININESS, shininess);
22}
23
24void
25simple_material::disable (view &ctx)
26{ 12{
27} 13}
28 14
29GLuint 15GLuint
30texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord) 16texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord)
… …
81 SDL_FreeSurface (image); /* No longer needed */ 67 SDL_FreeSurface (image); /* No longer needed */
82 68
83 return name; 69 return name;
84} 70}
85 71
72void material::enable (view &ctx)
73{
74 pass::matmap_t &matmap = ctx.pass_data->matmap;
75
76 pass::matmap_t::iterator i = matmap.find (this);
77 shader::program_object *p;
78
79 if (i == matmap.end ())
80 {
81 shader::program_object po;
82
83 shader::shader_builder::start ();
84 vsh (ctx);
85
86 if (ctx.pass_data->l)
87 ctx.pass_data->l->vsh ();
88
89 po->vsh->compile (shader::shader_builder::stop ());
90
91 shader::shader_builder::start ();
92 shader::compile::fout.frag_color = shader::compile::float4 (1., 1., 0., 1.);
93 fsh (ctx);
94 po->fsh->compile (shader::shader_builder::stop ());
95
96 po->link ();
97
98 matmap.insert (pass::matmap_t::value_type (this, po));
99
100 p = &po;
101 }
102 else
103 p = &i->second;
104
105 (*p)->enable ();
106}
107
108void material::disable (view &ctx)
109{
110}
111
86test_material::test_material () 112test_material::test_material ()
87//: tex ("textures/osama.jpg"), texvar (tex.name) 113//: tex ("textures/osama.jpg"), texvar (tex.name)
88: tex ("textures/rockwall.jpg"), texvar (tex.name) 114: tex ("textures/rockwall.jpg"), texvar (tex.name)
89, norm ("textures/rockwall_height.jpg"), normvar (norm.name) 115, norm ("textures/rockwall_normal.jpg"), normvar (norm.name)
116{
117}
118
119static shader::varying_3f normal, lightvec;
120static shader::varying_2f texcoord;
121
122void test_material::vsh (view &ctx)
90{ 123{
91 using namespace shader::compile; 124 using namespace shader::compile;
92 125
93 p.vsh->start (); 126 std_vsh ();
94 127
95 temp_4f wpos; 128 if (ctx.pass_data->l)
96 varying_1f camdist; 129 {
97 varying_3f lightvec; 130 texcoord = xy (vin.tex_coord[0]);
98 131 normal = normal_matrix * vin.normal;
99 wpos = model_view_projection_matrix * vin.vertex; 132 lightvec = xyz (ctx.pass_data->l->lightpos - model_view_matrix * vin.vertex);
133 }
134}
100 135
101 //wpos = wpos / abs (w (wpos)); 136void test_material::fsh (view &ctx)
137{
138 using namespace shader::compile;
102 139
103 vout.position = wpos; 140 if (ctx.pass_data->l)
104 vout.tex_coord[0] = vin.tex_coord[0]; 141 {
105 xyz (vout.tex_coord[1]) = normal_matrix * vin.normal; 142 temp_3f lc;
106 lightvec = xyz (lightpos - model_view_matrix * vin.vertex); 143 temp_1f fac;
107 camdist = 1 - max (length (xyz (vout.tex_coord[2])) / 10000., 0);
108 144
109 p.vsh->end (); 145 lc = (*ctx.pass_data->l)();
110 p.vsh->compile ();
111 146
112 p.fsh->start (); 147 temp_3f rot1, rot2, rot3;
113 148
114 temp_1f fac; 149 rot1 = yxz (texture_2d (normvar, texcoord) * 2.F - 1.F);
115 temp_2f disp; 150 rot2 = float3 (x(rot1), z(rot1), -y(rot1));
116 temp_1f dx, dy; 151 rot3 = float3 (y(rot1), -x(rot1), z(rot1));
117 temp_1f bumpnormal;
118 temp_1f dist;
119 152
120 fac = dot (normalize (xyz (fin.tex_coord[1])), normalize (lightvec)); 153 normal = mat3 (rot1, rot2, rot3) * normal;
121 //fac = dot (shader::compile::vec3 (normalize (fin.tex_coord[1]) + normalize (fin.tex_coord[2])) * 0.5, bumpnormal);
122 //fac = dot (bumpnormal, normalize (fin.tex_coord[2]));
123 //fac = pow (max (fac, 0.0), 8);
124 xyz (fout.frag_color) = (texture_2d (texvar, fin.tex_coord[0] - disp)) * max (fac * (0.4 + 1.F * camdist), 0);
125 154
126 p.fsh->end (); 155 fac = dot (normalize (normal), normalize (lightvec));
127 p.fsh->compile (); 156 fac = pow (max (fac, 0.0), 6);
128 p.link (); 157 xyz (fout.frag_color) = (texture_2d (texvar, texcoord) + 0.2F) * lc * fac;
158 }
129} 159}
130 160
131void test_material::enable (view &ctx) 161void test_material::enable (view &ctx)
132{ 162{
133 p.enable (); 163 material::enable (ctx);
134 lightpos->set (vec3 (0, 0, 0));
135 texvar->enable (); 164 texvar->enable ();
136 normvar->enable (); 165 normvar->enable ();
137} 166}
138 167
139void test_material::disable (view &ctx) 168void test_material::disable (view &ctx)
140{ 169{
141 normvar->disable (); 170 normvar->disable ();
142 texvar->disable (); 171 texvar->disable ();
143 p.disable (); 172 material::disable (ctx);
144} 173}
145 174
175test_material *testmat;
176

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