[46] | 1 | #include <nv/interface/vertex_buffer.hh>
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| 2 | #include <nv/gl/gl_device.hh>
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[89] | 3 | #include <nv/gfx/image.hh>
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[46] | 4 | #include <nv/interface/context.hh>
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| 5 | #include <nv/interface/window.hh>
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| 6 | #include <nv/interface/program.hh>
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| 7 | #include <nv/interface/texture2d.hh>
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| 8 | #include <nv/logging.hh>
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| 9 | #include <nv/logger.hh>
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[121] | 10 | #include <nv/math.hh>
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[46] | 11 | #include <nv/string.hh>
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| 12 |
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| 13 | const nv::uint16 size_x = 16;
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| 14 | const nv::uint16 size_y = 16;
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| 15 | const nv::uint16 size_xy = size_x * size_y;
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| 16 |
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[121] | 17 | static nv::uint8 height[size_xy] =
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[46] | 18 | {
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| 19 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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| 20 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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| 21 | 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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| 22 | 4, 4, 4, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4,
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| 23 | 4, 4, 4, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4,
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| 24 | 4, 4, 4, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4,
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| 25 | 4, 4, 4, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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| 26 | 4, 4, 4, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 4, 4, 4,
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| 27 | 4, 4, 4, 5, 5, 5, 4, 2, 2, 2, 2, 2, 2, 4, 4, 4,
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| 28 | 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 4, 4, 4,
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| 29 | 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 4, 4, 4,
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| 30 | 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 4, 4, 4,
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| 31 | 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 4, 4, 4, 4, 4, 4,
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| 32 | 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 4, 4, 4, 4, 4, 4,
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| 33 | 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 4, 4, 4, 4, 4, 4,
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| 34 | 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 4, 4, 4, 4, 4, 4,
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| 35 | };
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| 36 |
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[121] | 37 | static nv::uint8 map[size_xy] =
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[46] | 38 | {
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| 39 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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| 40 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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| 41 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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| 42 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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| 43 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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| 44 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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| 45 | 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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| 46 | 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 2, 2, 2,
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| 47 | 3, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 2, 2, 2,
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| 48 | 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 2, 2, 2,
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| 49 | 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 2, 2, 2,
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| 50 | 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 2, 2, 2,
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| 51 | 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 2, 2, 2, 2, 2, 2,
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| 52 | 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 2, 2, 2, 2, 2, 2,
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| 53 | 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 2, 2, 2, 2, 2, 2,
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| 54 | 2, 2, 2, 2, 2, 2, 2, 6, 6, 6, 2, 2, 2, 2, 2, 2,
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| 55 | };
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| 56 |
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| 57 | class application
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| 58 | {
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| 59 | public:
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| 60 | application();
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| 61 | bool initialize();
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| 62 | bool run();
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| 63 | ~application();
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| 64 | protected:
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| 65 | nv::device* m_device;
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| 66 | nv::window* m_window;
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| 67 | nv::texture2d* m_texture;
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[238] | 68 |
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| 69 | nv::clear_state m_clear_state;
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[46] | 70 | nv::render_state m_render_state;
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[238] | 71 | nv::scene_state m_scene_state;
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[46] | 72 |
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| 73 | nv::program* m_char_program;
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| 74 | nv::program* m_box_program;
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| 75 | nv::vertex_array* m_char_va;
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| 76 | nv::vertex_array* m_box_va;
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| 77 | unsigned int m_count;
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| 78 | };
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| 79 |
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[238] | 80 | struct vtx
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| 81 | {
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| 82 | nv::i8vec3 position;
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| 83 | nv::i8vec3 color;
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| 84 |
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| 85 | vtx( const nv::i8vec3& a_position, const nv::i8vec3& a_color )
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| 86 | : position( a_position ), color( a_color ) {}
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| 87 | };
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| 88 |
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[46] | 89 | application::application()
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| 90 | {
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| 91 | m_device = new nv::gl_device();
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[231] | 92 | m_window = m_device->create_window( 800, 600, false );
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[46] | 93 |
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[90] | 94 | nv::image_data* sprites = m_device->create_image_data( "spritesheet.png" );
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[49] | 95 | nv::sampler sampler( nv::sampler::NEAREST, nv::sampler::REPEAT );
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[90] | 96 | m_texture = m_device->create_texture2d( sprites->get_size(), nv::RGBA, nv::UBYTE, sampler, (void*)sprites->get_data() );
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| 97 | delete sprites;
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[46] | 98 |
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| 99 | m_clear_state.buffers = nv::clear_state::COLOR_AND_DEPTH_BUFFER;
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| 100 | m_render_state.depth_test.enabled = true;
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| 101 | m_render_state.blending.enabled = true;
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| 102 | m_render_state.blending.src_rgb_factor = nv::blending::SRC_ALPHA;
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| 103 | m_render_state.blending.dst_rgb_factor = nv::blending::ONE_MINUS_SRC_ALPHA;
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| 104 | m_render_state.blending.src_alpha_factor = nv::blending::SRC_ALPHA;
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| 105 | m_render_state.blending.dst_alpha_factor = nv::blending::ONE_MINUS_SRC_ALPHA;
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| 106 | }
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| 107 |
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| 108 | bool application::initialize()
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| 109 | {
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| 110 | { // CHARACTER
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[238] | 111 | std::vector< vtx > v;
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[46] | 112 | int m = 16; int x = 0; int y = 0; int h = 0;
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[238] | 113 | nv::i8vec3 mt( m, 1, 0 );
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| 114 | v.emplace_back( nv::i8vec3( x, h, y ), mt );
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| 115 | v.emplace_back( nv::i8vec3( x, h, y+1 ), mt );
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| 116 | v.emplace_back( nv::i8vec3( x+1, h, y+1 ), mt );
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| 117 | v.emplace_back( nv::i8vec3( x+1, h, y+1 ), mt );
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| 118 | v.emplace_back( nv::i8vec3( x+1, h, y ), mt );
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| 119 | v.emplace_back( nv::i8vec3( x, h, y ), mt );
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[73] | 120 | m_char_program = m_device->create_program( nv::slurp( "char.vert" ), nv::slurp( "char.frag" ) );
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[238] | 121 | m_char_va = m_device->create_vertex_array( v, nv::STATIC_DRAW );
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[46] | 122 | }
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| 123 |
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| 124 | { // WORLD
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[238] | 125 | std::vector< vtx > v;
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| 126 | nv::i8vec3 mt;
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[46] | 127 | for (int i = 0; i < size_x * size_y; ++i )
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| 128 | {
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| 129 | int x = i % size_x;
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| 130 | int y = i / size_x;
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| 131 |
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[238] | 132 | mt = nv::i8vec3( map[i], 2, 0 );
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| 133 | v.emplace_back( nv::i8vec3( x, height[i], y ), mt );
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| 134 | v.emplace_back( nv::i8vec3( x, height[i], y+1 ), mt );
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| 135 | v.emplace_back( nv::i8vec3( x+1, height[i], y+1 ), mt );
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| 136 | v.emplace_back( nv::i8vec3( x+1, height[i], y+1 ), mt );
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| 137 | v.emplace_back( nv::i8vec3( x+1, height[i], y ), mt );
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| 138 | v.emplace_back( nv::i8vec3( x, height[i], y ), mt );
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[46] | 139 |
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| 140 | if (i > 0 && height[i-1] != height[i])
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| 141 | {
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| 142 | short dir = height[i-1] > height[i] ? -1 : 1;
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| 143 | nv::uint8 m = 1;
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| 144 | for ( int h = height[i-1]; h != height[i]; h = h + dir )
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| 145 | {
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[71] | 146 | m_count += 6;
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[238] | 147 | mt = nv::i8vec3( m, -dir, 0 );
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| 148 | v.emplace_back( nv::i8vec3( x, h, y ), mt );
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| 149 | v.emplace_back( nv::i8vec3( x, h, y+1 ), mt );
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| 150 | v.emplace_back( nv::i8vec3( x, h+dir, y+1 ), mt );
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| 151 | v.emplace_back( nv::i8vec3( x, h+dir, y+1 ), mt );
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| 152 | v.emplace_back( nv::i8vec3( x, h+dir, y ), mt );
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| 153 | v.emplace_back( nv::i8vec3( x, h, y ), mt );
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[46] | 154 | }
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| 155 | }
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| 156 |
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| 157 | if (i >= size_x && height[i-size_x] != height[i])
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| 158 | {
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| 159 | short dir = height[i-size_x] > height[i] ? -1 : 1;
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| 160 | nv::uint8 m = 1;
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| 161 | for ( int h = height[i-size_x]; h != height[i]; h = h + dir )
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| 162 | {
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[238] | 163 | mt = nv::i8vec3( m, -3*dir, 0 );
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| 164 | v.emplace_back( nv::i8vec3( x, h, y ), mt );
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| 165 | v.emplace_back( nv::i8vec3( x, h+dir, y ), mt );
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| 166 | v.emplace_back( nv::i8vec3( x+1, h+dir, y ), mt );
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[46] | 167 |
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[238] | 168 | v.emplace_back( nv::i8vec3( x+1, h+dir, y ), mt );
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| 169 | v.emplace_back( nv::i8vec3( x+1, h, y ), mt );
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| 170 | v.emplace_back( nv::i8vec3( x, h, y ), mt );
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[46] | 171 | }
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| 172 | }
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| 173 |
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| 174 | }
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| 175 |
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[238] | 176 | m_count = v.size();
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[73] | 177 | m_box_program = m_device->create_program( nv::slurp( "box.vert" ), nv::slurp( "box.frag" ) );
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[238] | 178 | m_box_va = m_device->create_vertex_array( v, nv::STATIC_DRAW );
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[46] | 179 | }
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| 180 |
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| 181 | return true;
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| 182 | }
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| 183 |
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| 184 | bool application::run()
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| 185 | {
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| 186 | int keypress = 0;
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| 187 |
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| 188 | glm::vec3 move( 0, 0, 0 );
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[238] | 189 | m_scene_state.get_camera().set_perspective(25.0f, 1.0f*800.0f/600.0f, 0.1f, 100.0f);
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[46] | 190 |
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| 191 | while(!keypress)
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| 192 | {
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[238] | 193 | m_scene_state.set_model( glm::translate(glm::mat4(1.0f), glm::vec3(-8.5, 0.0, -8.0)) );
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| 194 | m_scene_state.get_camera().set_lookat(glm::vec3(0.0, 20.0, 5.0) + move, glm::vec3(0.0, 4.0, 0.0) + move, glm::vec3(0.0, 1.0, 0.0));
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| 195 |
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[46] | 196 | m_window->get_context()->clear( m_clear_state );
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| 197 | m_texture->bind( 0 );
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| 198 | m_box_program->set_uniform( "light", glm::vec3(8.5, 4.5, 6.5) + move );
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[238] | 199 | m_window->get_context()->draw( nv::TRIANGLES, m_render_state, m_scene_state, m_box_program, m_box_va, m_count );
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[46] | 200 |
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| 201 | m_char_program->set_uniform( "pos", move + glm::vec3( 8, 4.1, 6 ) );
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[238] | 202 | m_window->get_context()->draw( nv::TRIANGLES, m_render_state, m_scene_state, m_char_program, m_char_va, 6 );
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[93] | 203 | m_window->swap_buffers();
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[46] | 204 |
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[93] | 205 | nv::io_event event;
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| 206 | while(m_window->poll_event(event))
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[46] | 207 | {
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| 208 | switch (event.type)
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| 209 | {
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[93] | 210 | case nv::EV_QUIT:
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[46] | 211 | keypress = 1;
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| 212 | break;
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[93] | 213 | case nv::EV_KEY:
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| 214 | if (event.key.pressed)
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[46] | 215 | {
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[93] | 216 | switch (event.key.code)
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| 217 | {
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| 218 | case nv::KEY_ESCAPE : keypress = 1; break;
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| 219 | case nv::KEY_LEFT : move.x = move.x - 1.0f; break;
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| 220 | case nv::KEY_RIGHT : move.x = move.x + 1.0f; break;
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| 221 | case nv::KEY_UP : move.z = move.z - 1.0f; break;
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| 222 | case nv::KEY_DOWN : move.z = move.z + 1.0f; break;
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[121] | 223 | default: break;
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[93] | 224 | }
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[46] | 225 | }
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| 226 | break;
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[121] | 227 | default: break;
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[46] | 228 | }
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| 229 | }
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| 230 | }
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| 231 | return true;
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| 232 | }
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| 233 |
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| 234 | application::~application()
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| 235 | {
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| 236 | delete m_char_program;
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| 237 | delete m_box_program;
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| 238 | delete m_char_va;
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| 239 | delete m_box_va;
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| 240 | delete m_texture;
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| 241 | delete m_window;
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| 242 | delete m_device;
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| 243 | }
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| 244 |
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| 245 |
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| 246 | int main(int, char* [])
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| 247 | {
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| 248 | nv::logger log(nv::LOG_TRACE);
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| 249 | log.add_sink( new nv::log_file_sink("log.txt"), nv::LOG_TRACE );
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| 250 | log.add_sink( new nv::log_console_sink(), nv::LOG_TRACE );
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| 251 |
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| 252 | NV_LOG( nv::LOG_NOTICE, "Logging started" );
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[47] | 253 | application app;
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| 254 | if ( app.initialize() )
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[46] | 255 | {
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[47] | 256 | app.run();
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[46] | 257 | }
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| 258 | NV_LOG( nv::LOG_NOTICE, "Logging stopped" );
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| 259 |
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| 260 | return 0;
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| 261 | }
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| 262 |
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