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| 17 | |
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| 18 | #include "lib3ds_impl.h" |
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| 19 | |
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| 20 | |
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| 21 | void |
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| 22 | lib3ds_viewport_read(Lib3dsViewport *viewport, Lib3dsIo *io) { |
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| 23 | Lib3dsChunk c; |
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| 24 | uint16_t chunk; |
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| 25 | |
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| 26 | memset(viewport, 0, sizeof(*viewport)); |
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| 27 | lib3ds_chunk_read_start(&c, 0, io); |
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| 28 | switch (c.chunk) { |
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| 29 | case CHK_VIEWPORT_LAYOUT: { |
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| 30 | int cur = 0; |
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| 31 | viewport->layout_style = lib3ds_io_read_word(io); |
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| 32 | viewport->layout_active = lib3ds_io_read_intw(io); |
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| 33 | lib3ds_io_read_intw(io); |
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| 34 | viewport->layout_swap = lib3ds_io_read_intw(io); |
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| 35 | lib3ds_io_read_intw(io); |
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| 36 | viewport->layout_swap_prior = lib3ds_io_read_intw(io); |
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| 37 | viewport->layout_swap_view = lib3ds_io_read_intw(io); |
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| 38 | lib3ds_chunk_read_tell(&c, io); |
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| 39 | while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) { |
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| 40 | switch (chunk) { |
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| 41 | case CHK_VIEWPORT_SIZE: { |
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| 42 | viewport->layout_position[0] = lib3ds_io_read_word(io); |
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| 43 | viewport->layout_position[1] = lib3ds_io_read_word(io); |
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| 44 | viewport->layout_size[0] = lib3ds_io_read_word(io); |
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| 45 | viewport->layout_size[1] = lib3ds_io_read_word(io); |
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| 46 | break; |
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| 47 | } |
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| 48 | |
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| 49 | case CHK_VIEWPORT_DATA_3: { |
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| 50 | if (cur < LIB3DS_LAYOUT_MAX_VIEWS) { |
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| 51 | lib3ds_io_read_intw(io); |
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| 52 | viewport->layout_views[cur].axis_lock = lib3ds_io_read_word(io); |
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| 53 | viewport->layout_views[cur].position[0] = lib3ds_io_read_intw(io); |
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| 54 | viewport->layout_views[cur].position[1] = lib3ds_io_read_intw(io); |
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| 55 | viewport->layout_views[cur].size[0] = lib3ds_io_read_intw(io); |
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| 56 | viewport->layout_views[cur].size[1] = lib3ds_io_read_intw(io); |
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| 57 | viewport->layout_views[cur].type = lib3ds_io_read_word(io); |
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| 58 | viewport->layout_views[cur].zoom = lib3ds_io_read_float(io); |
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| 59 | lib3ds_io_read_vector(io, viewport->layout_views[cur].center); |
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| 60 | viewport->layout_views[cur].horiz_angle = lib3ds_io_read_float(io); |
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| 61 | viewport->layout_views[cur].vert_angle = lib3ds_io_read_float(io); |
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| 62 | lib3ds_io_read(io, viewport->layout_views[cur].camera, 11); |
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| 63 | ++cur; |
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| 64 | } |
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| 65 | break; |
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| 66 | } |
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| 67 | |
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| 68 | case CHK_VIEWPORT_DATA: |
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| 69 | |
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| 70 | break; |
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| 71 | |
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| 72 | default: |
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| 73 | lib3ds_chunk_unknown(chunk, io); |
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| 74 | } |
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| 75 | } |
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| 76 | break; |
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| 77 | } |
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| 78 | |
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| 79 | case CHK_DEFAULT_VIEW: { |
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| 80 | while ((chunk = lib3ds_chunk_read_next(&c, io)) != 0) { |
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| 81 | switch (chunk) { |
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| 82 | case CHK_VIEW_TOP: { |
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| 83 | viewport->default_type = LIB3DS_VIEW_TOP; |
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| 84 | lib3ds_io_read_vector(io, viewport->default_position); |
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| 85 | viewport->default_width = lib3ds_io_read_float(io); |
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| 86 | break; |
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| 87 | } |
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| 88 | |
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| 89 | case CHK_VIEW_BOTTOM: { |
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| 90 | viewport->default_type = LIB3DS_VIEW_BOTTOM; |
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| 91 | lib3ds_io_read_vector(io, viewport->default_position); |
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| 92 | viewport->default_width = lib3ds_io_read_float(io); |
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| 93 | break; |
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| 94 | } |
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| 95 | |
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| 96 | case CHK_VIEW_LEFT: { |
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| 97 | viewport->default_type = LIB3DS_VIEW_LEFT; |
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| 98 | lib3ds_io_read_vector(io, viewport->default_position); |
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| 99 | viewport->default_width = lib3ds_io_read_float(io); |
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| 100 | break; |
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| 101 | } |
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| 102 | |
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| 103 | case CHK_VIEW_RIGHT: { |
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| 104 | viewport->default_type = LIB3DS_VIEW_RIGHT; |
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| 105 | lib3ds_io_read_vector(io, viewport->default_position); |
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| 106 | viewport->default_width = lib3ds_io_read_float(io); |
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| 107 | break; |
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| 108 | } |
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| 109 | |
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| 110 | case CHK_VIEW_FRONT: { |
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| 111 | viewport->default_type = LIB3DS_VIEW_FRONT; |
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| 112 | lib3ds_io_read_vector(io, viewport->default_position); |
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| 113 | viewport->default_width = lib3ds_io_read_float(io); |
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| 114 | break; |
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| 115 | } |
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| 116 | |
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| 117 | case CHK_VIEW_BACK: { |
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| 118 | viewport->default_type = LIB3DS_VIEW_BACK; |
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| 119 | lib3ds_io_read_vector(io, viewport->default_position); |
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| 120 | viewport->default_width = lib3ds_io_read_float(io); |
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| 121 | break; |
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| 122 | } |
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| 123 | |
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| 124 | case CHK_VIEW_USER: { |
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| 125 | viewport->default_type = LIB3DS_VIEW_USER; |
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| 126 | lib3ds_io_read_vector(io, viewport->default_position); |
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| 127 | viewport->default_width = lib3ds_io_read_float(io); |
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| 128 | viewport->default_horiz_angle = lib3ds_io_read_float(io); |
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| 129 | viewport->default_vert_angle = lib3ds_io_read_float(io); |
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| 130 | viewport->default_roll_angle = lib3ds_io_read_float(io); |
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| 131 | break; |
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| 132 | } |
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| 133 | |
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| 134 | case CHK_VIEW_CAMERA: { |
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| 135 | viewport->default_type = LIB3DS_VIEW_CAMERA; |
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| 136 | lib3ds_io_read(io, viewport->default_camera, 11); |
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| 137 | break; |
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| 138 | } |
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| 139 | |
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| 140 | default: |
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| 141 | lib3ds_chunk_unknown(chunk, io); |
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| 142 | } |
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| 143 | } |
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| 144 | break; |
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| 145 | } |
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| 146 | } |
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| 147 | |
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| 148 | lib3ds_chunk_read_end(&c, io); |
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| 149 | } |
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| 150 | |
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| 151 | |
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| 152 | void |
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| 153 | lib3ds_viewport_write(Lib3dsViewport *viewport, Lib3dsIo *io) { |
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| 154 | if (viewport->layout_nviews) { |
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| 155 | Lib3dsChunk c; |
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| 156 | int i; |
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| 157 | |
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| 158 | c.chunk = CHK_VIEWPORT_LAYOUT; |
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| 159 | lib3ds_chunk_write_start(&c, io); |
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| 160 | |
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| 161 | lib3ds_io_write_word(io, (uint16_t)viewport->layout_style); |
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| 162 | lib3ds_io_write_intw(io, (int16_t)viewport->layout_active); |
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| 163 | lib3ds_io_write_intw(io, (int16_t)0); |
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| 164 | lib3ds_io_write_intw(io, (int16_t)viewport->layout_swap); |
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| 165 | lib3ds_io_write_intw(io, (int16_t)0); |
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| 166 | lib3ds_io_write_intw(io, (int16_t)viewport->layout_swap_prior); |
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| 167 | lib3ds_io_write_intw(io, (int16_t)viewport->layout_swap_view); |
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| 168 | |
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| 169 | { |
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| 170 | Lib3dsChunk c; |
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| 171 | c.chunk = CHK_VIEWPORT_SIZE; |
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| 172 | c.size = 14; |
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| 173 | lib3ds_chunk_write(&c, io); |
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| 174 | lib3ds_io_write_intw(io, viewport->layout_position[0]); |
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| 175 | lib3ds_io_write_intw(io, viewport->layout_position[1]); |
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| 176 | lib3ds_io_write_intw(io, viewport->layout_size[0]); |
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| 177 | lib3ds_io_write_intw(io, viewport->layout_size[1]); |
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| 178 | } |
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| 179 | |
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| 180 | for (i = 0; i < viewport->layout_nviews; ++i) { |
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| 181 | Lib3dsChunk c; |
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| 182 | c.chunk = CHK_VIEWPORT_DATA_3; |
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| 183 | c.size = 55; |
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| 184 | lib3ds_chunk_write(&c, io); |
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| 185 | |
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| 186 | lib3ds_io_write_intw(io, 0); |
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| 187 | lib3ds_io_write_word(io, (uint16_t)viewport->layout_views[i].axis_lock); |
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| 188 | lib3ds_io_write_intw(io, (int16_t)viewport->layout_views[i].position[0]); |
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| 189 | lib3ds_io_write_intw(io, (int16_t)viewport->layout_views[i].position[1]); |
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| 190 | lib3ds_io_write_intw(io, (int16_t)viewport->layout_views[i].size[0]); |
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| 191 | lib3ds_io_write_intw(io, (int16_t)viewport->layout_views[i].size[1]); |
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| 192 | lib3ds_io_write_word(io, (int16_t)viewport->layout_views[i].type); |
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| 193 | lib3ds_io_write_float(io, viewport->layout_views[i].zoom); |
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| 194 | lib3ds_io_write_vector(io, viewport->layout_views[i].center); |
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| 195 | lib3ds_io_write_float(io, viewport->layout_views[i].horiz_angle); |
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| 196 | lib3ds_io_write_float(io, viewport->layout_views[i].vert_angle); |
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| 197 | lib3ds_io_write(io, viewport->layout_views[i].camera, 11); |
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| 198 | } |
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| 199 | |
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| 200 | lib3ds_chunk_write_end(&c, io); |
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| 201 | } |
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| 202 | |
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| 203 | if (viewport->default_type) { |
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| 204 | Lib3dsChunk c; |
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| 205 | |
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| 206 | c.chunk = CHK_DEFAULT_VIEW; |
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| 207 | lib3ds_chunk_write_start(&c, io); |
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| 208 | |
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| 209 | switch (viewport->default_type) { |
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| 210 | case LIB3DS_VIEW_TOP: { |
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| 211 | Lib3dsChunk c; |
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| 212 | c.chunk = CHK_VIEW_TOP; |
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| 213 | c.size = 22; |
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| 214 | lib3ds_chunk_write(&c, io); |
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| 215 | lib3ds_io_write_vector(io, viewport->default_position); |
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| 216 | lib3ds_io_write_float(io, viewport->default_width); |
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| 217 | break; |
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| 218 | } |
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| 219 | |
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| 220 | case LIB3DS_VIEW_BOTTOM: { |
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| 221 | Lib3dsChunk c; |
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| 222 | c.chunk = CHK_VIEW_BOTTOM; |
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| 223 | c.size = 22; |
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| 224 | lib3ds_chunk_write(&c, io); |
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| 225 | lib3ds_io_write_vector(io, viewport->default_position); |
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| 226 | lib3ds_io_write_float(io, viewport->default_width); |
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| 227 | break; |
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| 228 | } |
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| 229 | |
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| 230 | case LIB3DS_VIEW_LEFT: { |
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| 231 | Lib3dsChunk c; |
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| 232 | c.chunk = CHK_VIEW_LEFT; |
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| 233 | c.size = 22; |
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| 234 | lib3ds_chunk_write(&c, io); |
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| 235 | lib3ds_io_write_vector(io, viewport->default_position); |
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| 236 | lib3ds_io_write_float(io, viewport->default_width); |
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| 237 | break; |
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| 238 | } |
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| 239 | |
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| 240 | case LIB3DS_VIEW_RIGHT: { |
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| 241 | Lib3dsChunk c; |
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| 242 | c.chunk = CHK_VIEW_RIGHT; |
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| 243 | c.size = 22; |
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| 244 | lib3ds_chunk_write(&c, io); |
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| 245 | lib3ds_io_write_vector(io, viewport->default_position); |
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| 246 | lib3ds_io_write_float(io, viewport->default_width); |
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| 247 | break; |
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| 248 | } |
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| 249 | |
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| 250 | case LIB3DS_VIEW_FRONT: { |
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| 251 | Lib3dsChunk c; |
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| 252 | c.chunk = CHK_VIEW_FRONT; |
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| 253 | c.size = 22; |
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| 254 | lib3ds_chunk_write(&c, io); |
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| 255 | lib3ds_io_write_vector(io, viewport->default_position); |
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| 256 | lib3ds_io_write_float(io, viewport->default_width); |
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| 257 | break; |
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| 258 | } |
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| 259 | |
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| 260 | case LIB3DS_VIEW_BACK: { |
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| 261 | Lib3dsChunk c; |
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| 262 | c.chunk = CHK_VIEW_BACK; |
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| 263 | c.size = 22; |
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| 264 | lib3ds_chunk_write(&c, io); |
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| 265 | lib3ds_io_write_vector(io, viewport->default_position); |
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| 266 | lib3ds_io_write_float(io, viewport->default_width); |
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| 267 | break; |
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| 268 | } |
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| 269 | |
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| 270 | case LIB3DS_VIEW_USER: { |
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| 271 | Lib3dsChunk c; |
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| 272 | c.chunk = CHK_VIEW_USER; |
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| 273 | c.size = 34; |
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| 274 | lib3ds_chunk_write(&c, io); |
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| 275 | lib3ds_io_write_vector(io, viewport->default_position); |
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| 276 | lib3ds_io_write_float(io, viewport->default_width); |
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| 277 | lib3ds_io_write_float(io, viewport->default_horiz_angle); |
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| 278 | lib3ds_io_write_float(io, viewport->default_vert_angle); |
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| 279 | lib3ds_io_write_float(io, viewport->default_roll_angle); |
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| 280 | break; |
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| 281 | } |
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| 282 | |
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| 283 | case LIB3DS_VIEW_CAMERA: { |
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| 284 | Lib3dsChunk c; |
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| 285 | c.chunk = CHK_VIEW_CAMERA; |
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| 286 | c.size = 17; |
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| 287 | lib3ds_chunk_write(&c, io); |
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| 288 | lib3ds_io_write(io, viewport->default_camera, 11); |
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| 289 | break; |
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| 290 | } |
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| 291 | } |
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| 292 | |
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| 293 | lib3ds_chunk_write_end(&c, io); |
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| 294 | } |
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| 295 | } |
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