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| 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 | |
| 11 | material::~material () |
11 | material::~material () |
| 12 | { |
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| 13 | } |
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| 14 | |
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| 15 | void |
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| 16 | simple_material::enable (view &ctx) |
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| 17 | { |
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| 18 | glMaterialfv (GL_FRONT, GL_DIFFUSE, (GLfloat *) & diffuse); |
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| 19 | glMaterialfv (GL_FRONT, GL_SPECULAR, (GLfloat *) & specular); |
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| 20 | glMaterialfv (GL_FRONT, GL_EMISSION, (GLfloat *) & emission); |
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| 21 | glMaterialf (GL_FRONT, GL_SHININESS, shininess); |
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| 22 | } |
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| 23 | |
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| 24 | void |
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| 25 | simple_material::disable (view &ctx) |
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| 26 | { |
12 | { |
| 27 | } |
13 | } |
| 28 | |
14 | |
| 29 | GLuint |
15 | GLuint |
| 30 | texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord) |
16 | texture::load_texture (SDL_Surface * surface, GLfloat * tex2oord) |
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| 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 | |
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72 | void material::enable (view &ctx) |
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73 | { |
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74 | pass::matmap_t &matmap = ctx.pass_data->matmap; |
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75 | |
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76 | pass::matmap_t::iterator i = matmap.find (this); |
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77 | shader::program_object *p; |
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78 | |
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79 | if (i == matmap.end ()) |
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80 | { |
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81 | shader::program_object po; |
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82 | |
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83 | shader::shader_builder::start (); |
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84 | vsh (ctx); |
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85 | |
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86 | if (ctx.pass_data->l) |
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87 | ctx.pass_data->l->vsh (); |
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88 | |
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89 | po->vsh->compile (shader::shader_builder::stop ()); |
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90 | |
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91 | shader::shader_builder::start (); |
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92 | fsh (ctx); |
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93 | po->fsh->compile (shader::shader_builder::stop ()); |
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94 | |
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95 | po->link (); |
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96 | |
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97 | matmap.insert (pass::matmap_t::value_type (this, po)); |
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98 | |
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99 | p = &po; |
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100 | } |
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101 | else |
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102 | p = &i->second; |
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103 | |
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104 | (*p)->enable (); |
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105 | } |
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106 | |
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107 | void material::disable (view &ctx) |
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108 | { |
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109 | } |
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110 | |
| 86 | test_material::test_material () |
111 | test_material::test_material () |
| 87 | : tex ("textures/osama.jpg"), texvar (tex.name) |
112 | //: tex ("textures/osama.jpg"), texvar (tex.name) |
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113 | : tex ("textures/rockwall.jpg"), texvar (tex.name) |
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114 | , norm ("textures/rockwall_height.jpg"), normvar (norm.name) |
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115 | { |
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116 | } |
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117 | |
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118 | static shader::varying_3f normal, lightvec; |
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119 | static shader::varying_2f texcoord; |
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120 | |
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121 | void test_material::vsh (view &ctx) |
| 88 | { |
122 | { |
| 89 | using namespace shader::compile; |
123 | using namespace shader::compile; |
| 90 | |
124 | |
| 91 | p.vsh->start (); |
125 | std_vsh (); |
| 92 | |
126 | |
| 93 | temp_4f wpos; |
127 | if (ctx.pass_data->l) |
| 94 | |
128 | { |
| 95 | wpos = model_view_projection_matrix * vin.vertex; |
129 | texcoord = xy (vin.tex_coord[0]); |
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130 | normal = normal_matrix * vin.normal; |
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131 | lightvec = xyz (ctx.pass_data->l->lightpos - model_view_matrix * vin.vertex); |
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132 | } |
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133 | } |
| 96 | |
134 | |
| 97 | vout.position = wpos; |
135 | void test_material::fsh (view &ctx) |
| 98 | vout.tex_coord[0] = vin.tex_coord[0]; |
136 | { |
| 99 | vout.tex_coord[1] = model_view_matrix * shader::compile::vec4 (x(vin.normal), y(vin.normal), z(vin.normal), 0); |
137 | using namespace shader::compile; |
| 100 | vout.tex_coord[2] = lightpos - model_view_matrix * vin.vertex; |
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| 101 | |
138 | |
| 102 | p.vsh->end (); |
139 | if (ctx.pass_data->l) |
| 103 | p.vsh->compile (); |
140 | { |
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141 | temp_3f lc; |
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142 | temp_1f fac; |
| 104 | |
143 | |
| 105 | p.fsh->start (); |
144 | lc = (*ctx.pass_data->l)(); |
| 106 | |
145 | |
| 107 | temp_1f fac; |
146 | fac = dot (normalize (normal), normalize (lightvec)); |
| 108 | |
147 | fac = pow (max (fac, 0.0), 2); |
| 109 | fac = max (dot (normalize (fin.tex_coord[1]), normalize (fin.tex_coord[2])), 0.0); |
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| 110 | fac = pow (fac, 0.5); |
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| 111 | xyz (fout.frag_color) = texture_2d (texvar, fin.tex_coord[0]) * max (fac, 0.4); |
148 | xyz (fout.frag_color) = texture_2d (texvar, texcoord) * lc * fac; |
| 112 | |
149 | } |
| 113 | p.fsh->end (); |
150 | else |
| 114 | p.fsh->compile (); |
151 | fout.frag_color = float4(1,1,1,1); |
| 115 | p.link (); |
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| 116 | } |
152 | } |
| 117 | |
153 | |
| 118 | void test_material::enable (view &ctx) |
154 | void test_material::enable (view &ctx) |
| 119 | { |
155 | { |
| 120 | p.enable (); |
156 | material::enable (ctx); |
| 121 | lightpos->set (vec3 (0, 0, 0)); |
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| 122 | texvar->enable (); |
157 | texvar->enable (); |
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158 | normvar->enable (); |
| 123 | } |
159 | } |
| 124 | |
160 | |
| 125 | void test_material::disable (view &ctx) |
161 | void test_material::disable (view &ctx) |
| 126 | { |
162 | { |
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163 | normvar->disable (); |
| 127 | texvar->disable (); |
164 | texvar->disable (); |
| 128 | p.disable (); |
165 | material::disable (ctx); |
| 129 | } |
166 | } |
| 130 | |
167 | |
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168 | test_material testmat; |
