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tornavis/source/blender/bmesh/operators/bmo_primitive.cc

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/* SPDX-FileCopyrightText: 2023 Blender Authors
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup bmesh
*
* Primitive shapes.
*/
#include "MEM_guardedalloc.h"
#include "BLI_math_base_safe.h"
#include "BLI_math_matrix.h"
#include "BLI_math_rotation.h"
#include "BLI_math_vector.h"
#include "BKE_customdata.hh"
#include "bmesh.hh"
#include "intern/bmesh_operators_private.hh"
/* ************************ primitives ******************* */
static const float icovert[12][3] = {
{0.0f, 0.0f, -200.0f},
{144.72f, -105.144f, -89.443f},
{-55.277f, -170.128, -89.443f},
{-178.885f, 0.0f, -89.443f},
{-55.277f, 170.128f, -89.443f},
{144.72f, 105.144f, -89.443f},
{55.277f, -170.128f, 89.443f},
{-144.72f, -105.144f, 89.443f},
{-144.72f, 105.144f, 89.443f},
{55.277f, 170.128f, 89.443f},
{178.885f, 0.0f, 89.443f},
{0.0f, 0.0f, 200.0f},
};
static const short icoface[20][3] = {
{0, 1, 2}, {1, 0, 5}, {0, 2, 3}, {0, 3, 4}, {0, 4, 5}, {1, 5, 10}, {2, 1, 6},
{3, 2, 7}, {4, 3, 8}, {5, 4, 9}, {1, 10, 6}, {2, 6, 7}, {3, 7, 8}, {4, 8, 9},
{5, 9, 10}, {6, 10, 11}, {7, 6, 11}, {8, 7, 11}, {9, 8, 11}, {10, 9, 11},
};
static const float icouvs[60][2] = {
{0.181819f, 0.000000f}, {0.272728f, 0.157461f}, {0.090910f, 0.157461f}, {0.272728f, 0.157461f},
{0.363637f, 0.000000f}, {0.454546f, 0.157461f}, {0.909091f, 0.000000f}, {1.000000f, 0.157461f},
{0.818182f, 0.157461f}, {0.727273f, 0.000000f}, {0.818182f, 0.157461f}, {0.636364f, 0.157461f},
{0.545455f, 0.000000f}, {0.636364f, 0.157461f}, {0.454546f, 0.157461f}, {0.272728f, 0.157461f},
{0.454546f, 0.157461f}, {0.363637f, 0.314921f}, {0.090910f, 0.157461f}, {0.272728f, 0.157461f},
{0.181819f, 0.314921f}, {0.818182f, 0.157461f}, {1.000000f, 0.157461f}, {0.909091f, 0.314921f},
{0.636364f, 0.157461f}, {0.818182f, 0.157461f}, {0.727273f, 0.314921f}, {0.454546f, 0.157461f},
{0.636364f, 0.157461f}, {0.545455f, 0.314921f}, {0.272728f, 0.157461f}, {0.363637f, 0.314921f},
{0.181819f, 0.314921f}, {0.090910f, 0.157461f}, {0.181819f, 0.314921f}, {0.000000f, 0.314921f},
{0.818182f, 0.157461f}, {0.909091f, 0.314921f}, {0.727273f, 0.314921f}, {0.636364f, 0.157461f},
{0.727273f, 0.314921f}, {0.545455f, 0.314921f}, {0.454546f, 0.157461f}, {0.545455f, 0.314921f},
{0.363637f, 0.314921f}, {0.181819f, 0.314921f}, {0.363637f, 0.314921f}, {0.272728f, 0.472382f},
{0.000000f, 0.314921f}, {0.181819f, 0.314921f}, {0.090910f, 0.472382f}, {0.727273f, 0.314921f},
{0.909091f, 0.314921f}, {0.818182f, 0.472382f}, {0.545455f, 0.314921f}, {0.727273f, 0.314921f},
{0.636364f, 0.472382f}, {0.363637f, 0.314921f}, {0.545455f, 0.314921f}, {0.454546f, 0.472382f},
};
static const int monkeyo = 4;
static const int monkeynv = 271;
static const int monkeynf = 250;
static const signed char monkeyv[271][3] = {
{-71, 21, 98}, {-63, 12, 88}, {-57, 7, 74}, {-82, -3, 79}, {-82, 4, 92},
{-82, 17, 100}, {-92, 21, 102}, {-101, 12, 95}, {-107, 7, 83}, {-117, 31, 84},
{-109, 31, 95}, {-96, 31, 102}, {-92, 42, 102}, {-101, 50, 95}, {-107, 56, 83},
{-82, 66, 79}, {-82, 58, 92}, {-82, 46, 100}, {-71, 42, 98}, {-63, 50, 88},
{-57, 56, 74}, {-47, 31, 72}, {-55, 31, 86}, {-67, 31, 97}, {-66, 31, 99},
{-70, 43, 100}, {-82, 48, 103}, {-93, 43, 105}, {-98, 31, 105}, {-93, 20, 105},
{-82, 31, 106}, {-82, 15, 103}, {-70, 20, 100}, {-127, 55, 95}, {-127, 45, 105},
{-127, -87, 94}, {-127, -41, 100}, {-127, -24, 102}, {-127, -99, 92}, {-127, 52, 77},
{-127, 73, 73}, {-127, 115, -70}, {-127, 72, -109}, {-127, 9, -106}, {-127, -49, -45},
{-101, -24, 72}, {-87, -56, 73}, {-82, -89, 73}, {-80, -114, 68}, {-85, -121, 67},
{-104, -124, 71}, {-127, -126, 74}, {-71, -18, 68}, {-46, -5, 69}, {-21, 19, 57},
{-17, 55, 76}, {-36, 62, 80}, {-64, 77, 88}, {-86, 97, 94}, {-107, 92, 97},
{-119, 63, 96}, {-106, 53, 99}, {-111, 39, 98}, {-101, 12, 95}, {-79, 2, 90},
{-64, 8, 86}, {-47, 24, 83}, {-45, 38, 83}, {-50, 48, 85}, {-72, 56, 92},
{-95, 60, 97}, {-127, -98, 94}, {-113, -92, 94}, {-112, -107, 91}, {-119, -113, 89},
{-127, -114, 88}, {-127, -25, 96}, {-127, -18, 95}, {-114, -19, 95}, {-111, -29, 96},
{-116, -37, 95}, {-76, -6, 86}, {-48, 7, 80}, {-34, 26, 77}, {-32, 48, 84},
{-39, 53, 93}, {-71, 70, 102}, {-87, 82, 107}, {-101, 79, 109}, {-114, 55, 108},
{-111, -13, 104}, {-100, -57, 91}, {-95, -90, 88}, {-93, -105, 85}, {-97, -117, 81},
{-106, -119, 81}, {-127, -121, 82}, {-127, 6, 93}, {-127, 27, 98}, {-85, 61, 95},
{-106, 18, 96}, {-110, 27, 97}, {-112, -88, 94}, {-117, -57, 96}, {-127, -57, 96},
{-127, -42, 95}, {-115, -35, 100}, {-110, -29, 102}, {-113, -17, 100}, {-122, -16, 100},
{-127, -26, 106}, {-121, -19, 104}, {-115, -20, 104}, {-113, -29, 106}, {-117, -32, 103},
{-127, -37, 103}, {-94, -40, 71}, {-106, -31, 91}, {-104, -40, 91}, {-97, -32, 71},
{-127, -112, 88}, {-121, -111, 88}, {-115, -105, 91}, {-115, -95, 93}, {-127, -100, 84},
{-115, -96, 85}, {-115, -104, 82}, {-121, -109, 81}, {-127, -110, 81}, {-105, 28, 100},
{-103, 20, 99}, {-84, 55, 97}, {-92, 54, 99}, {-73, 51, 99}, {-55, 45, 89},
{-52, 37, 88}, {-53, 25, 87}, {-66, 13, 92}, {-79, 8, 95}, {-98, 14, 100},
{-104, 38, 100}, {-100, 48, 100}, {-97, 46, 97}, {-102, 38, 97}, {-96, 16, 97},
{-79, 11, 93}, {-68, 15, 90}, {-57, 27, 86}, {-56, 36, 86}, {-59, 43, 87},
{-74, 50, 96}, {-91, 51, 98}, {-84, 52, 96}, {-101, 22, 96}, {-102, 29, 96},
{-113, 59, 78}, {-102, 85, 79}, {-84, 88, 76}, {-65, 71, 71}, {-40, 58, 63},
{-25, 52, 59}, {-28, 21, 48}, {-50, 0, 53}, {-71, -12, 60}, {-127, 115, 37},
{-127, 126, -10}, {-127, -25, -86}, {-127, -59, 24}, {-127, -125, 59}, {-127, -103, 44},
{-127, -73, 41}, {-127, -62, 36}, {-18, 30, 7}, {-17, 41, -6}, {-28, 34, -56},
{-68, 56, -90}, {-33, -6, 9}, {-51, -16, -21}, {-45, -1, -55}, {-84, 7, -85},
{-97, -45, 52}, {-104, -53, 33}, {-90, -91, 49}, {-95, -64, 50}, {-85, -117, 51},
{-109, -97, 47}, {-111, -69, 46}, {-106, -121, 56}, {-99, -36, 55}, {-100, -29, 60},
{-101, -22, 64}, {-100, -50, 21}, {-89, -40, -34}, {-83, -19, -69}, {-69, 111, -49},
{-69, 119, -9}, {-69, 109, 30}, {-68, 67, 55}, {-34, 52, 43}, {-46, 58, 36},
{-45, 90, 7}, {-25, 72, 16}, {-25, 79, -15}, {-45, 96, -25}, {-45, 87, -57},
{-25, 69, -46}, {-48, 42, -75}, {-65, 3, -70}, {-22, 42, -26}, {-75, -22, 19},
{-72, -25, -27}, {-13, 52, -30}, {-28, -18, -16}, {6, -13, -42}, {37, 7, -55},
{46, 41, -54}, {31, 65, -54}, {4, 61, -40}, {3, 53, -37}, {25, 56, -50},
{35, 37, -52}, {28, 10, -52}, {5, -5, -39}, {-21, -9, -17}, {-9, 46, -28},
{-6, 39, -37}, {-14, -3, -27}, {6, 0, -47}, {25, 12, -57}, {31, 32, -57},
{23, 46, -56}, {4, 44, -46}, {-19, 37, -27}, {-20, 22, -35}, {-30, 12, -35},
{-22, 11, -35}, {-19, 2, -35}, {-23, -2, -35}, {-34, 0, -9}, {-35, -3, -22},
{-35, 5, -24}, {-25, 26, -27}, {-13, 31, -34}, {-13, 30, -41}, {-23, -2, -41},
{-18, 2, -41}, {-21, 10, -41}, {-29, 12, -41}, {-19, 22, -41}, {6, 42, -53},
{25, 44, -62}, {34, 31, -63}, {28, 11, -62}, {7, 0, -54}, {-14, -2, -34},
{-5, 37, -44}, {-13, 14, -42}, {-7, 8, -43}, {1, 16, -47}, {-4, 22, -45},
{3, 30, -48}, {8, 24, -49}, {15, 27, -50}, {12, 35, -50}, {4, 56, -62},
{33, 60, -70}, {48, 38, -64}, {41, 7, -68}, {6, -11, -63}, {-26, -16, -42},
{-17, 49, -49},
};
static signed char monkeyf[250][4] = {
{27, 4, 5, 26}, {25, 4, 5, 24}, {3, 6, 5, 4},
{1, 6, 5, 2}, {5, 6, 7, 4}, {3, 6, 7, 2},
{5, 8, 7, 6}, {3, 8, 7, 4}, {7, 8, 9, 6},
{5, 8, 9, 4}, {7, 10, 9, 8}, {5, 10, 9, 6},
{9, 10, 11, 8}, {7, 10, 11, 6}, {9, 12, 11, 10},
{7, 12, 11, 8}, {11, 6, 13, 12}, {5, 4, 13, 12},
{3, -2, 13, 12}, {-3, -4, 13, 12}, {-5, -10, 13, 12},
{-11, -12, 14, 12}, {-13, -18, 14, 13}, {-19, 4, 5, 13},
{10, 12, 4, 4}, {10, 11, 9, 9}, {8, 7, 9, 9},
{7, 5, 6, 6}, {6, 3, 4, 4}, {5, 1, 2, 2},
{4, -1, 0, 0}, {3, -3, -2, -2}, {22, 67, 68, 23},
{20, 65, 66, 21}, {18, 63, 64, 19}, {16, 61, 62, 17},
{14, 59, 60, 15}, {12, 19, 48, 57}, {18, 19, 48, 47},
{18, 19, 48, 47}, {18, 19, 48, 47}, {18, 19, 48, 47},
{18, 19, 48, 47}, {18, 19, 48, 47}, {18, 19, 48, 47},
{18, 19, 48, 47}, {18, -9, -8, 47}, {18, 27, 45, 46},
{26, 55, 43, 44}, {24, 41, 42, 54}, {22, 39, 40, 23},
{20, 37, 38, 21}, {18, 35, 36, 19}, {16, 33, 34, 17},
{14, 31, 32, 15}, {12, 39, 30, 13}, {11, 48, 45, 38},
{8, 36, -19, 9}, {8, -20, 44, 47}, {42, 45, 46, 43},
{18, 19, 40, 39}, {16, 17, 38, 37}, {14, 15, 36, 35},
{32, 44, 43, 33}, {12, 33, 32, 42}, {19, 44, 43, 42},
{40, 41, 42, -27}, {8, 9, 39, -28}, {15, 43, 42, 16},
{13, 43, 42, 14}, {11, 43, 42, 12}, {9, -30, 42, 10},
{37, 12, 38, -32}, {-33, 37, 45, 46}, {-33, 40, 41, 39},
{38, 40, 41, 37}, {36, 40, 41, 35}, {34, 40, 41, 33},
{36, 39, 38, 37}, {35, 40, 39, 38}, {1, 2, 14, 21},
{1, 2, 40, 13}, {1, 2, 40, 39}, {1, 24, 12, 39},
{-34, 36, 38, 11}, {35, 38, 36, 37}, {-37, 8, 35, 37},
{-11, -12, -45, 40}, {-11, -12, 39, 38}, {-11, -12, 37, 36},
{-11, -12, 35, 34}, {33, 34, 40, 41}, {33, 34, 38, 39},
{33, 34, 36, 37}, {33, -52, 34, 35}, {33, 37, 36, 34},
{33, 35, 34, 34}, {8, 7, 37, 36}, {-32, 7, 35, 46},
{-34, -33, 45, 46}, {4, -33, 43, 34}, {-34, -33, 41, 42},
{-34, -33, 39, 40}, {-34, -33, 37, 38}, {-34, -33, 35, 36},
{-34, -33, 33, 34}, {-34, -33, 31, 32}, {-34, -4, 28, 30},
{-5, -34, 28, 27}, {-35, -44, 36, 27}, {26, 35, 36, 45},
{24, 25, 44, 45}, {25, 23, 44, 42}, {25, 24, 41, 40},
{25, 24, 39, 38}, {25, 24, 37, 36}, {25, 24, 35, 34},
{25, 24, 33, 32}, {25, 24, 31, 30}, {15, 24, 29, 38},
{25, 24, 27, 26}, {23, 12, 37, 26}, {11, 12, 35, 36},
{-86, -59, 36, -80}, {-60, -61, 36, 35}, {-62, -63, 36, 35},
{-64, -65, 36, 35}, {-66, -67, 36, 35}, {-68, -69, 36, 35},
{-70, -71, 36, 35}, {-72, -73, 36, 35}, {-74, -75, 36, 35},
{42, 43, 53, 58}, {40, 41, 57, 56}, {38, 39, 55, 57},
{-81, -80, 37, 56}, {-83, -82, 55, 52}, {-85, -84, 51, 49},
{-87, -86, 48, 49}, {47, 50, 51, 48}, {46, 48, 51, 49},
{43, 46, 49, 44}, {-92, -91, 45, 42}, {-23, 49, 50, -20},
{-94, 40, 48, -24}, {-96, -22, 48, 49}, {-97, 48, 21, -90},
{-100, 36, 50, 23}, {22, 49, 48, -100}, {-101, 47, 46, 22},
{21, 45, 35, 25}, {33, 34, 44, 41}, {13, 14, 28, 24},
{-107, 26, 30, -106}, {14, 46, 45, 15}, {14, 44, 43, -110},
{-111, 42, 23, -110}, {6, 7, 45, 46}, {45, 44, 47, 46},
{45, 46, 47, 48}, {47, 46, 49, 48}, {17, 49, 47, 48},
{17, 36, 46, 48}, {35, 36, 44, 45}, {35, 36, 40, 43},
{35, 36, 38, 39}, {-4, -3, 37, 35}, {-123, 34, 33, 1},
{-9, -8, -7, -6}, {-10, -7, 32, -125}, {-127, -11, -126, -126},
{-7, -6, 5, 31}, {4, 5, 33, 30}, {4, 39, 33, 32},
{4, 35, 32, 38}, {20, 21, 39, 38}, {4, 37, 38, 5},
{-11, -10, 36, 3}, {-11, 15, 14, 35}, {13, 16, 34, 34},
{-13, 14, 13, 13}, {-3, 1, 30, 29}, {-3, 28, 29, 1},
{-2, 31, 28, -1}, {12, 13, 27, 30}, {-2, 26, 12, 12},
{35, 29, 42, 36}, {34, 35, 36, 33}, {32, 35, 36, 31},
{30, 35, 36, 29}, {28, 35, 36, 27}, {26, 35, 36, 25},
{34, 39, 38, 35}, {32, 39, 38, 33}, {30, 39, 38, 31},
{28, 39, 38, 29}, {26, 39, 38, 27}, {25, 31, 32, 38},
{-18, -17, 45, 44}, {-18, 17, 28, 44}, {-24, -20, 42, -23},
{11, 35, 27, 14}, {25, 28, 39, 41}, {37, 41, 40, 38},
{34, 40, 36, 35}, {32, 40, 39, 33}, {30, 39, 31, 40},
{21, 29, 39, 22}, {-31, 37, 28, 4}, {-32, 33, 35, 36},
{32, 33, 34, 34}, {18, 35, 36, 48}, {34, 25, 40, 35},
{24, 25, 38, 39}, {24, 25, 36, 37}, {24, 25, 34, 35},
{24, 25, 32, 33}, {24, 13, 41, 31}, {17, 11, 41, 35},
{15, 16, 34, 35}, {13, 14, 34, 35}, {11, 12, 34, 35},
{9, 10, 34, 35}, {7, 8, 34, 35}, {26, 25, 37, 36},
{35, 36, 37, 38}, {37, 36, 39, 38}, {37, 38, 39, 40},
{25, 31, 36, 39}, {18, 34, 35, 30}, {17, 22, 30, 33},
{19, 29, 21, 20}, {16, 26, 29, 17}, {24, 29, 28, 25},
{22, 31, 28, 23}, {20, 31, 30, 21}, {18, 31, 30, 19},
{16, 30, 17, 17}, {-21, -22, 35, 34}, {-21, -22, 33, 32},
{-21, -22, 31, 30}, {-21, -22, 29, 28}, {-21, -22, 27, 26},
{-28, -22, 25, 31}, {24, 28, 29, 30}, {23, 24, 26, 27},
{23, 24, 25, 25}, {-69, -35, -32, 27}, {-70, 26, 25, -66},
{-68, -67, 24, -33},
};
static const float monkeyuvs[] = {
0.898516f, 0.615168f, 0.889924f, 0.593688f, 0.917217f, 0.563713f, 0.938774f, 0.614911f,
0.816475f, 0.815667f, 0.842653f, 0.844479f, 0.834061f, 0.865960f, 0.795398f, 0.865726f,
0.938774f, 0.614911f, 0.917217f, 0.563713f, 0.951453f, 0.532635f, 0.985674f, 0.614766f,
0.781112f, 0.783437f, 0.816475f, 0.815667f, 0.795398f, 0.865726f, 0.746891f, 0.865568f,
0.917217f, 0.563713f, 0.866019f, 0.542156f, 0.865901f, 0.498414f, 0.951453f, 0.532635f,
0.866664f, 0.749216f, 0.866533f, 0.794590f, 0.816475f, 0.815667f, 0.781112f, 0.783437f,
0.889924f, 0.593688f, 0.866296f, 0.585096f, 0.866019f, 0.542156f, 0.917217f, 0.563713f,
0.866533f, 0.794590f, 0.866281f, 0.835888f, 0.842653f, 0.844479f, 0.816475f, 0.815667f,
0.866296f, 0.585096f, 0.844815f, 0.593688f, 0.814821f, 0.563713f, 0.866019f, 0.542156f,
0.916591f, 0.815667f, 0.887762f, 0.844479f, 0.866281f, 0.835888f, 0.866533f, 0.794590f,
0.866019f, 0.542156f, 0.814821f, 0.563713f, 0.780348f, 0.532635f, 0.865901f, 0.498414f,
0.952217f, 0.783437f, 0.916591f, 0.815667f, 0.866533f, 0.794590f, 0.866664f, 0.749216f,
0.814821f, 0.563713f, 0.793264f, 0.614911f, 0.746127f, 0.614766f, 0.780348f, 0.532635f,
0.986437f, 0.865568f, 0.937668f, 0.865726f, 0.916591f, 0.815667f, 0.952217f, 0.783437f,
0.844815f, 0.593688f, 0.836223f, 0.615168f, 0.793264f, 0.614911f, 0.814821f, 0.563713f,
0.937668f, 0.865726f, 0.896353f, 0.865960f, 0.887762f, 0.844479f, 0.916591f, 0.815667f,
0.836223f, 0.615168f, 0.844815f, 0.638796f, 0.814821f, 0.666108f, 0.793264f, 0.614911f,
0.916591f, 0.915784f, 0.887762f, 0.889588f, 0.896353f, 0.865960f, 0.937668f, 0.865726f,
0.793264f, 0.614911f, 0.814821f, 0.666108f, 0.780348f, 0.700318f, 0.746127f, 0.614766f,
0.952217f, 0.951120f, 0.916591f, 0.915784f, 0.937668f, 0.865726f, 0.986437f, 0.865568f,
0.814821f, 0.666108f, 0.866019f, 0.687665f, 0.865901f, 0.734539f, 0.780348f, 0.700318f,
0.866664f, 0.985341f, 0.866533f, 0.936861f, 0.916591f, 0.915784f, 0.952217f, 0.951120f,
0.844815f, 0.638796f, 0.866296f, 0.647388f, 0.866019f, 0.687665f, 0.814821f, 0.666108f,
0.866533f, 0.936861f, 0.866281f, 0.898180f, 0.887762f, 0.889588f, 0.916591f, 0.915784f,
0.866296f, 0.647388f, 0.889924f, 0.638796f, 0.917217f, 0.666108f, 0.866019f, 0.687665f,
0.816475f, 0.915784f, 0.842653f, 0.889588f, 0.866281f, 0.898180f, 0.866533f, 0.936861f,
0.866019f, 0.687665f, 0.917217f, 0.666108f, 0.951453f, 0.700318f, 0.865901f, 0.734539f,
0.781112f, 0.951120f, 0.816475f, 0.915784f, 0.866533f, 0.936861f, 0.866664f, 0.985341f,
0.917217f, 0.666108f, 0.938774f, 0.614911f, 0.985674f, 0.614766f, 0.951453f, 0.700318f,
0.746891f, 0.865568f, 0.795398f, 0.865726f, 0.816475f, 0.915784f, 0.781112f, 0.951120f,
0.889924f, 0.638796f, 0.898516f, 0.615168f, 0.938774f, 0.614911f, 0.917217f, 0.666108f,
0.795398f, 0.865726f, 0.834061f, 0.865960f, 0.842653f, 0.889588f, 0.816475f, 0.915784f,
0.898516f, 0.615168f, 0.889924f, 0.638796f, 0.884573f, 0.633599f, 0.890680f, 0.615278f,
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0.066170f, 0.757009f, 0.081883f, 0.712096f, 0.712556f, 0.698473f, 0.669298f, 0.757013f,
0.653588f, 0.712098f, 0.662010f, 0.686010f, 0.081883f, 0.712096f, 0.066170f, 0.757009f,
0.022915f, 0.698478f, 0.073462f, 0.686010f, 0.715231f, 0.624373f, 0.712556f, 0.698473f,
0.662010f, 0.686010f, 0.652439f, 0.640199f, 0.073462f, 0.686010f, 0.022915f, 0.698478f,
0.020244f, 0.624367f, 0.083034f, 0.640197f, 0.706720f, 0.572934f, 0.715231f, 0.624373f,
0.652439f, 0.640199f, 0.633578f, 0.594596f, 0.083034f, 0.640197f, 0.020244f, 0.624367f,
0.028756f, 0.572934f, 0.101895f, 0.594596f, 0.652439f, 0.640199f, 0.598936f, 0.655817f,
0.559696f, 0.607669f, 0.633578f, 0.594596f, 0.175778f, 0.607667f, 0.136537f, 0.655816f,
0.083034f, 0.640197f, 0.101895f, 0.594596f, 0.652439f, 0.640199f, 0.662010f, 0.686010f,
0.629457f, 0.693271f, 0.598936f, 0.655817f, 0.106015f, 0.693269f, 0.073462f, 0.686010f,
0.083034f, 0.640197f, 0.136537f, 0.655816f, 0.662010f, 0.686010f, 0.653588f, 0.712098f,
0.629457f, 0.693271f, 0.106015f, 0.693269f, 0.081883f, 0.712096f, 0.073462f, 0.686010f,
0.615458f, 0.557583f, 0.703133f, 0.538140f, 0.706720f, 0.572934f, 0.633578f, 0.594596f,
0.028756f, 0.572934f, 0.032336f, 0.538145f, 0.120011f, 0.557584f, 0.101895f, 0.594596f,
0.615458f, 0.557583f, 0.633578f, 0.594596f, 0.559696f, 0.607669f, 0.512305f, 0.539237f,
0.175778f, 0.607667f, 0.101895f, 0.594596f, 0.120011f, 0.557584f, 0.223171f, 0.539233f,
0.393578f, 0.587505f, 0.512305f, 0.539237f, 0.559696f, 0.607669f, 0.493965f, 0.641024f,
0.175778f, 0.607667f, 0.223171f, 0.539233f, 0.341892f, 0.587509f, 0.241508f, 0.641024f,
};
#define VERT_MARK 1
#define EDGE_ORIG 1
#define EDGE_MARK 2
#define FACE_MARK 1
#define FACE_NEW 2
void bmo_create_grid_exec(BMesh *bm, BMOperator *op)
{
BMOpSlot *slot_verts_out = BMO_slot_get(op->slots_out, "verts.out");
const float dia = BMO_slot_float_get(op->slots_in, "size");
const uint xtot = max_ii(1, BMO_slot_int_get(op->slots_in, "x_segments"));
const uint ytot = max_ii(1, BMO_slot_int_get(op->slots_in, "y_segments"));
const float xtot_inv2 = 2.0f / (xtot);
const float ytot_inv2 = 2.0f / (ytot);
const int cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_PROP_FLOAT2);
const bool calc_uvs = (cd_loop_uv_offset != -1) && BMO_slot_bool_get(op->slots_in, "calc_uvs");
BMVert **varr;
BMVert *vquad[4];
float mat[4][4];
float vec[3], tvec[3];
uint x, y, i;
BMO_slot_mat4_get(op->slots_in, "matrix", mat);
BMO_slot_buffer_alloc(op, op->slots_out, "verts.out", (xtot + 1) * (ytot + 1));
varr = (BMVert **)slot_verts_out->data.buf;
i = 0;
vec[2] = 0.0f;
for (y = 0; y <= ytot; y++) {
vec[1] = ((y * ytot_inv2) - 1.0f) * dia;
for (x = 0; x <= xtot; x++) {
vec[0] = ((x * xtot_inv2) - 1.0f) * dia;
mul_v3_m4v3(tvec, mat, vec);
varr[i] = BM_vert_create(bm, tvec, nullptr, BM_CREATE_NOP);
BMO_vert_flag_enable(bm, varr[i], VERT_MARK);
i++;
}
}
#define XY(_x, _y) ((_x) + ((_y) * (xtot + 1)))
for (y = 1; y <= ytot; y++) {
for (x = 1; x <= xtot; x++) {
BMFace *f;
vquad[0] = varr[XY(x - 1, y - 1)];
vquad[1] = varr[XY(x, y - 1)];
vquad[2] = varr[XY(x, y)];
vquad[3] = varr[XY(x - 1, y)];
f = BM_face_create_verts(bm, vquad, 4, nullptr, BM_CREATE_NOP, true);
if (calc_uvs) {
BMO_face_flag_enable(bm, f, FACE_MARK);
}
}
}
#undef XY
if (calc_uvs) {
BM_mesh_calc_uvs_grid(bm, xtot, ytot, FACE_MARK, cd_loop_uv_offset);
}
}
void BM_mesh_calc_uvs_grid(BMesh *bm,
const uint x_segments,
const uint y_segments,
const short oflag,
const int cd_loop_uv_offset)
{
BMFace *f;
BMLoop *l;
BMIter iter, liter;
const float dx = 1.0f / float(x_segments);
const float dy = 1.0f / float(y_segments);
const float dx_wrap = 1.0 - (dx / 2.0f);
float x = 0.0f;
float y = dy;
int loop_index;
BLI_assert(cd_loop_uv_offset != -1);
BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
if (!BMO_face_flag_test(bm, f, oflag)) {
continue;
}
BM_ITER_ELEM_INDEX (l, &liter, f, BM_LOOPS_OF_FACE, loop_index) {
float *luv = BM_ELEM_CD_GET_FLOAT_P(l, cd_loop_uv_offset);
switch (loop_index) {
case 0:
y -= dy;
break;
case 1:
x += dx;
break;
case 2:
y += dy;
break;
case 3:
x -= dx;
break;
default:
break;
}
luv[0] = x;
luv[1] = y;
}
x += dx;
if (x >= dx_wrap) {
x = 0.0f;
y += dy;
}
}
}
void bmo_create_uvsphere_exec(BMesh *bm, BMOperator *op)
{
const float rad = BMO_slot_float_get(op->slots_in, "radius");
const int seg = BMO_slot_int_get(op->slots_in, "u_segments");
const int tot = BMO_slot_int_get(op->slots_in, "v_segments");
const int cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_PROP_FLOAT2);
const bool calc_uvs = (cd_loop_uv_offset != -1) && BMO_slot_bool_get(op->slots_in, "calc_uvs");
BMOperator bmop, prevop;
BMVert *eve, *preveve;
BMEdge *e;
BMIter iter;
const float axis[3] = {0, 0, 1};
float vec[3], mat[4][4], cmat[3][3];
int a;
BMO_slot_mat4_get(op->slots_in, "matrix", mat);
const float phid = float(M_PI) / tot;
// const float phi = 0.25f * float(M_PI); /* UNUSED. */
/* one segment first */
for (a = 0; a <= tot; a++) {
/* Going in this direction, then edge extruding, makes normals face outward */
float sin_phi, cos_phi;
sin_cos_from_fraction(a, 2 * tot, &sin_phi, &cos_phi);
vec[0] = 0.0f;
vec[1] = rad * sin_phi;
vec[2] = rad * cos_phi;
eve = BM_vert_create(bm, vec, nullptr, BM_CREATE_NOP);
BMO_vert_flag_enable(bm, eve, VERT_MARK);
if (a != 0) {
e = BM_edge_create(bm, preveve, eve, nullptr, BM_CREATE_NOP);
BMO_edge_flag_enable(bm, e, EDGE_ORIG);
}
preveve = eve;
}
/* extrude and rotate; negative phi to make normals face outward */
axis_angle_to_mat3(cmat, axis, -(M_PI * 2) / seg);
for (a = 0; a < seg; a++) {
if (a) {
BMO_op_initf(bm, &bmop, op->flag, "extrude_edge_only edges=%S", &prevop, "geom.out");
BMO_op_exec(bm, &bmop);
BMO_op_finish(bm, &prevop);
}
else {
BMO_op_initf(bm, &bmop, op->flag, "extrude_edge_only edges=%fe", EDGE_ORIG);
BMO_op_exec(bm, &bmop);
}
BMO_slot_buffer_flag_enable(bm, bmop.slots_out, "geom.out", BM_VERT, VERT_MARK);
BMO_op_callf(bm, op->flag, "rotate cent=%v matrix=%m3 verts=%S", vec, cmat, &bmop, "geom.out");
prevop = bmop;
}
if (a) {
BMO_op_finish(bm, &bmop);
}
{
float len, len2, vec2[3];
len = 2 * rad * sinf(phid / 2.0f);
/* Length of one segment in shortest parallel. */
vec[0] = rad * sinf(phid);
vec[1] = 0.0f;
vec[2] = rad * cosf(phid);
mul_v3_m3v3(vec2, cmat, vec);
len2 = len_v3v3(vec, vec2);
/* use shortest segment length divided by 3 as merge threshold */
BMO_op_callf(
bm, op->flag, "remove_doubles verts=%fv dist=%f", VERT_MARK, min_ff(len, len2) / 3.0f);
}
if (calc_uvs) {
BMFace *f;
BMLoop *l;
BMIter fiter, liter;
/* We cannot tag faces for UVs computing above,
* so we have to do it now, based on all its vertices being tagged. */
BM_ITER_MESH (f, &fiter, bm, BM_FACES_OF_MESH) {
bool valid = true;
BM_ITER_ELEM (l, &liter, f, BM_LOOPS_OF_FACE) {
if (!BMO_vert_flag_test(bm, l->v, VERT_MARK)) {
valid = false;
break;
}
}
if (valid) {
BMO_face_flag_enable(bm, f, FACE_MARK);
}
}
BM_mesh_calc_uvs_sphere(bm, FACE_MARK, cd_loop_uv_offset);
}
/* Now apply the inverse matrix. */
BM_ITER_MESH (eve, &iter, bm, BM_VERTS_OF_MESH) {
if (BMO_vert_flag_test(bm, eve, VERT_MARK)) {
mul_m4_v3(mat, eve->co);
}
}
BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "verts.out", BM_VERT, VERT_MARK);
}
void bmo_create_icosphere_exec(BMesh *bm, BMOperator *op)
{
const float rad = BMO_slot_float_get(op->slots_in, "radius");
const float rad_div = rad / 200.0f;
const int subdiv = BMO_slot_int_get(op->slots_in, "subdivisions");
const int cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_PROP_FLOAT2);
const bool calc_uvs = (cd_loop_uv_offset != -1) && BMO_slot_bool_get(op->slots_in, "calc_uvs");
BMVert *eva[12];
BMVert *v;
BMIter liter;
BMIter viter;
BMLoop *l;
float vec[3], mat[4][4] /* , phi, phid */;
int a;
BMO_slot_mat4_get(op->slots_in, "matrix", mat);
// phid = 2.0f * float(M_PI) / subdiv; /* UNUSED. */
// phi = 0.25f * float(M_PI); /* UNUSED. */
for (a = 0; a < 12; a++) {
vec[0] = rad_div * icovert[a][0];
vec[1] = rad_div * icovert[a][1];
vec[2] = rad_div * icovert[a][2];
eva[a] = BM_vert_create(bm, vec, nullptr, BM_CREATE_NOP);
BMO_vert_flag_enable(bm, eva[a], VERT_MARK);
}
int uvi = 0;
for (a = 0; a < 20; a++) {
BMFace *f;
BMVert *v1, *v2, *v3;
v1 = eva[icoface[a][0]];
v2 = eva[icoface[a][1]];
v3 = eva[icoface[a][2]];
f = BM_face_create_quad_tri(bm, v1, v2, v3, nullptr, nullptr, BM_CREATE_NOP);
BM_ITER_ELEM (l, &liter, f, BM_LOOPS_OF_FACE) {
BMO_edge_flag_enable(bm, l->e, EDGE_MARK);
}
/* Set the UVs here, the iteration order of the faces is not guaranteed,
* so it's best to set the UVs right after the face is created. */
if (calc_uvs) {
int loop_index;
BM_ITER_ELEM_INDEX (l, &liter, f, BM_LOOPS_OF_FACE, loop_index) {
float *luv = BM_ELEM_CD_GET_FLOAT_P(l, cd_loop_uv_offset);
luv[0] = icouvs[uvi][0];
luv[1] = icouvs[uvi][1];
uvi++;
}
}
}
if (subdiv > 1) {
BMOperator bmop;
BMO_op_initf(bm,
&bmop,
op->flag,
"subdivide_edges edges=%fe "
"smooth=%f "
"cuts=%i "
"use_grid_fill=%b use_sphere=%b",
EDGE_MARK,
rad,
(1 << (subdiv - 1)) - 1,
true,
true);
BMO_op_exec(bm, &bmop);
BMO_slot_buffer_flag_enable(bm, bmop.slots_out, "geom.out", BM_VERT, VERT_MARK);
BMO_slot_buffer_flag_enable(bm, bmop.slots_out, "geom.out", BM_EDGE, EDGE_MARK);
BMO_op_finish(bm, &bmop);
}
/* must transform after because of sphere subdivision */
BM_ITER_MESH (v, &viter, bm, BM_VERTS_OF_MESH) {
if (BMO_vert_flag_test(bm, v, VERT_MARK)) {
mul_m4_v3(mat, v->co);
}
}
BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "verts.out", BM_VERT, VERT_MARK);
}
static void bm_mesh_calc_uvs_sphere_face(BMFace *f, const int cd_loop_uv_offset)
{
float *uvs[4];
BMLoop *l;
BMIter iter;
float dx;
int loop_index, loop_index_max_x;
BLI_assert(f->len <= 4);
/* If face has 3 vertices, it's a polar face, in which case we need to
* compute a nearby to determine its latitude. */
float avgx = 0.0f, avgy = 0.0f;
BM_ITER_ELEM_INDEX (l, &iter, f, BM_LOOPS_OF_FACE, loop_index) {
if (f->len == 3) {
avgx += l->v->co[0];
avgy += l->v->co[1];
}
}
avgx /= 3.0f;
avgy /= 3.0f;
BM_ITER_ELEM_INDEX (l, &iter, f, BM_LOOPS_OF_FACE, loop_index) {
float *luv = BM_ELEM_CD_GET_FLOAT_P(l, cd_loop_uv_offset);
float x = l->v->co[0];
float y = l->v->co[1];
float z = l->v->co[2];
float len = len_v3(l->v->co);
/* Use neighboring point to compute angle for poles. */
float theta;
if (f->len == 3 && fabsf(x) < 0.0001f && fabsf(y) < 0.0001f) {
theta = atan2f(avgy, avgx);
}
else {
theta = atan2f(y, x);
}
/* Shift borderline coordinates to the left. */
if (fabsf(theta - float(M_PI)) < 0.0001f) {
theta = -M_PI;
}
float phi = safe_acosf(z / len);
luv[0] = 0.5f + theta / (float(M_PI) * 2);
luv[1] = 1.0f - phi / float(M_PI);
uvs[loop_index] = luv;
}
/* Fix awkwardly-wrapping UVs */
loop_index_max_x = 0;
for (loop_index = 1; loop_index < f->len; loop_index++) {
if (uvs[loop_index][0] > uvs[loop_index_max_x][0]) {
loop_index_max_x = loop_index;
}
}
for (loop_index = 0; loop_index < f->len; loop_index++) {
if (loop_index != loop_index_max_x) {
dx = uvs[loop_index_max_x][0] - uvs[loop_index][0];
if (dx > 0.5f) {
uvs[loop_index][0] += 1.0f;
}
}
}
}
void BM_mesh_calc_uvs_sphere(BMesh *bm, const short oflag, const int cd_loop_uv_offset)
{
BMFace *f;
BMIter iter;
BLI_assert(cd_loop_uv_offset != -1); /* caller is responsible for giving us UVs */
BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
if (!BMO_face_flag_test(bm, f, oflag)) {
continue;
}
bm_mesh_calc_uvs_sphere_face(f, cd_loop_uv_offset);
}
BMIter iter2;
BMLoop *l;
int loop_index;
float minx = 1.0f;
BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
if (!BMO_face_flag_test(bm, f, oflag)) {
continue;
}
BM_ITER_ELEM_INDEX (l, &iter2, f, BM_LOOPS_OF_FACE, loop_index) {
float *luv = BM_ELEM_CD_GET_FLOAT_P(l, cd_loop_uv_offset);
if (luv[0] < minx) {
minx = luv[0];
}
}
}
BM_ITER_MESH (f, &iter, bm, BM_FACES_OF_MESH) {
if (!BMO_face_flag_test(bm, f, oflag)) {
continue;
}
BM_ITER_ELEM_INDEX (l, &iter2, f, BM_LOOPS_OF_FACE, loop_index) {
float *luv = BM_ELEM_CD_GET_FLOAT_P(l, cd_loop_uv_offset);
luv[0] -= minx;
}
}
}
void bmo_create_monkey_exec(BMesh *bm, BMOperator *op)
{
BMVert **tv = static_cast<BMVert **>(MEM_mallocN(sizeof(*tv) * monkeynv * 2, "tv"));
float mat[4][4];
int i;
BMO_slot_mat4_get(op->slots_in, "matrix", mat);
const int cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_PROP_FLOAT2);
const bool calc_uvs = (cd_loop_uv_offset != -1) && BMO_slot_bool_get(op->slots_in, "calc_uvs");
for (i = 0; i < monkeynv; i++) {
float v[3];
/* rotate to face in the -Y axis */
v[0] = (monkeyv[i][0] + 127) / 128.0;
v[2] = monkeyv[i][1] / 128.0;
v[1] = monkeyv[i][2] / -128.0;
tv[i] = BM_vert_create(bm, v, nullptr, BM_CREATE_NOP);
BMO_vert_flag_enable(bm, tv[i], VERT_MARK);
if (fabsf(v[0] = -v[0]) < 0.001f) {
tv[monkeynv + i] = tv[i];
}
else {
BMVert *eve = BM_vert_create(bm, v, nullptr, BM_CREATE_NOP);
mul_m4_v3(mat, eve->co);
tv[monkeynv + i] = eve;
}
BMO_vert_flag_enable(bm, tv[monkeynv + i], VERT_MARK);
mul_m4_v3(mat, tv[i]->co);
}
int uvi = 0;
for (i = 0; i < monkeynf; i++) {
BMFace *f_new_a = BM_face_create_quad_tri(
bm,
tv[monkeyf[i][0] + i - monkeyo],
tv[monkeyf[i][1] + i - monkeyo],
tv[monkeyf[i][2] + i - monkeyo],
(monkeyf[i][3] != monkeyf[i][2]) ? tv[monkeyf[i][3] + i - monkeyo] : nullptr,
nullptr,
BM_CREATE_NOP);
BMFace *f_new_b = BM_face_create_quad_tri(
bm,
tv[monkeynv + monkeyf[i][2] + i - monkeyo],
tv[monkeynv + monkeyf[i][1] + i - monkeyo],
tv[monkeynv + monkeyf[i][0] + i - monkeyo],
(monkeyf[i][3] != monkeyf[i][2]) ? tv[monkeynv + monkeyf[i][3] + i - monkeyo] : nullptr,
nullptr,
BM_CREATE_NOP);
/* Set the UVs here, the iteration order of the faces is not guaranteed,
* so it's best to set the UVs right after the face is created. */
if (calc_uvs) {
BMLoop *l;
BMIter liter;
BM_ITER_ELEM (l, &liter, f_new_a, BM_LOOPS_OF_FACE) {
float *luv = BM_ELEM_CD_GET_FLOAT_P(l, cd_loop_uv_offset);
luv[0] = monkeyuvs[uvi * 2 + 0];
luv[1] = monkeyuvs[uvi * 2 + 1];
uvi++;
}
BM_ITER_ELEM (l, &liter, f_new_b, BM_LOOPS_OF_FACE) {
float *luv = BM_ELEM_CD_GET_FLOAT_P(l, cd_loop_uv_offset);
luv[0] = monkeyuvs[uvi * 2 + 0];
luv[1] = monkeyuvs[uvi * 2 + 1];
uvi++;
}
}
}
MEM_freeN(tv);
BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "verts.out", BM_VERT, VERT_MARK);
}
void bmo_create_circle_exec(BMesh *bm, BMOperator *op)
{
const float radius = BMO_slot_float_get(op->slots_in, "radius");
const int segs = BMO_slot_int_get(op->slots_in, "segments");
const bool cap_ends = BMO_slot_bool_get(op->slots_in, "cap_ends");
const bool cap_tris = BMO_slot_bool_get(op->slots_in, "cap_tris");
const int cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_PROP_FLOAT2);
const bool calc_uvs = (cd_loop_uv_offset != -1) && BMO_slot_bool_get(op->slots_in, "calc_uvs");
BMVert *v1, *lastv1 = nullptr, *cent1, *firstv1 = nullptr;
float vec[3], mat[4][4];
int a;
if (!segs) {
return;
}
BMO_slot_mat4_get(op->slots_in, "matrix", mat);
if (cap_ends) {
zero_v3(vec);
mul_m4_v3(mat, vec);
cent1 = BM_vert_create(bm, vec, nullptr, BM_CREATE_NOP);
BMO_vert_flag_enable(bm, cent1, VERT_MARK);
}
for (a = 0; a < segs; a++) {
/* Going this way ends up with normal(s) upward */
sin_cos_from_fraction(a, segs, &vec[0], &vec[1]);
vec[0] *= -radius;
vec[1] *= radius;
vec[2] = 0.0f;
mul_m4_v3(mat, vec);
v1 = BM_vert_create(bm, vec, nullptr, BM_CREATE_NOP);
BMO_vert_flag_enable(bm, v1, VERT_MARK);
if (lastv1) {
BM_edge_create(bm, v1, lastv1, nullptr, BM_CREATE_NOP);
}
if (a && cap_ends) {
BMFace *f;
f = BM_face_create_quad_tri(bm, cent1, lastv1, v1, nullptr, nullptr, BM_CREATE_NOP);
BMO_face_flag_enable(bm, f, FACE_NEW);
}
if (!firstv1) {
firstv1 = v1;
}
lastv1 = v1;
}
if (!a) {
return;
}
BM_edge_create(bm, firstv1, lastv1, nullptr, eBMCreateFlag(0));
if (cap_ends) {
BMFace *f;
f = BM_face_create_quad_tri(bm, cent1, v1, firstv1, nullptr, nullptr, BM_CREATE_NOP);
BMO_face_flag_enable(bm, f, FACE_NEW);
if (calc_uvs) {
BM_mesh_calc_uvs_circle(bm, mat, radius, FACE_NEW, cd_loop_uv_offset);
}
}
if (!cap_tris) {
BMO_op_callf(bm, op->flag, "dissolve_faces faces=%ff", FACE_NEW);
}
BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "verts.out", BM_VERT, VERT_MARK);
}
void BM_mesh_calc_uvs_circle(
BMesh *bm, float mat[4][4], const float radius, const short oflag, const int cd_loop_uv_offset)
{
BMFace *f;
BMLoop *l;
BMIter fiter, liter;
const float uv_scale = 0.5f / radius;
const float uv_center = 0.5f;
float inv_mat[4][4];
BLI_assert(cd_loop_uv_offset != -1); /* caller must ensure we have UVs already */
invert_m4_m4(inv_mat, mat);
BM_ITER_MESH (f, &fiter, bm, BM_FACES_OF_MESH) {
if (!BMO_face_flag_test(bm, f, oflag)) {
continue;
}
BM_ITER_ELEM (l, &liter, f, BM_LOOPS_OF_FACE) {
float *luv = BM_ELEM_CD_GET_FLOAT_P(l, cd_loop_uv_offset);
float uv_vco[3];
copy_v3_v3(uv_vco, l->v->co);
/* transform back into the unit circle flat on the Z-axis */
mul_m4_v3(inv_mat, uv_vco);
/* then just take those coords for UVs */
luv[0] = uv_center + uv_scale * uv_vco[0];
luv[1] = uv_center + uv_scale * uv_vco[1];
}
}
}
void bmo_create_cone_exec(BMesh *bm, BMOperator *op)
{
BMVert *v1, *v2, *lastv1 = nullptr, *lastv2 = nullptr, *cent1, *cent2, *firstv1, *firstv2;
BMFace *f;
float vec[3], mat[4][4];
const float rad1 = BMO_slot_float_get(op->slots_in, "radius1");
const float rad2 = BMO_slot_float_get(op->slots_in, "radius2");
const float depth_half = 0.5f * BMO_slot_float_get(op->slots_in, "depth");
int segs = BMO_slot_int_get(op->slots_in, "segments");
const bool cap_ends = BMO_slot_bool_get(op->slots_in, "cap_ends");
const bool cap_tris = BMO_slot_bool_get(op->slots_in, "cap_tris");
const int cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_PROP_FLOAT2);
const bool calc_uvs = (cd_loop_uv_offset != -1) && BMO_slot_bool_get(op->slots_in, "calc_uvs");
if (!segs) {
return;
}
BMO_slot_mat4_get(op->slots_in, "matrix", mat);
if (cap_ends) {
vec[0] = vec[1] = 0.0f;
vec[2] = -depth_half;
mul_m4_v3(mat, vec);
cent1 = BM_vert_create(bm, vec, nullptr, BM_CREATE_NOP);
vec[0] = vec[1] = 0.0f;
vec[2] = depth_half;
mul_m4_v3(mat, vec);
cent2 = BM_vert_create(bm, vec, nullptr, BM_CREATE_NOP);
BMO_vert_flag_enable(bm, cent1, VERT_MARK);
BMO_vert_flag_enable(bm, cent2, VERT_MARK);
}
const int side_faces_len = segs - 1;
BMFace **side_faces = static_cast<BMFace **>(
MEM_mallocN(sizeof(*side_faces) * side_faces_len, __func__));
for (int i = 0; i < segs; i++) {
/* Calculate with higher precision, see: #87779. */
float sin_phi, cos_phi;
sin_cos_from_fraction(i, segs, &sin_phi, &cos_phi);
vec[0] = rad1 * sin_phi;
vec[1] = rad1 * cos_phi;
vec[2] = -depth_half;
mul_m4_v3(mat, vec);
v1 = BM_vert_create(bm, vec, nullptr, BM_CREATE_NOP);
vec[0] = rad2 * sin_phi;
vec[1] = rad2 * cos_phi;
vec[2] = depth_half;
mul_m4_v3(mat, vec);
v2 = BM_vert_create(bm, vec, nullptr, BM_CREATE_NOP);
BMO_vert_flag_enable(bm, v1, VERT_MARK);
BMO_vert_flag_enable(bm, v2, VERT_MARK);
if (i) {
if (cap_ends) {
f = BM_face_create_quad_tri(bm, cent1, lastv1, v1, nullptr, nullptr, BM_CREATE_NOP);
if (calc_uvs) {
BMO_face_flag_enable(bm, f, FACE_MARK);
}
BMO_face_flag_enable(bm, f, FACE_NEW);
f = BM_face_create_quad_tri(bm, cent2, v2, lastv2, nullptr, nullptr, BM_CREATE_NOP);
if (calc_uvs) {
BMO_face_flag_enable(bm, f, FACE_MARK);
}
BMO_face_flag_enable(bm, f, FACE_NEW);
}
f = BM_face_create_quad_tri(bm, lastv1, lastv2, v2, v1, nullptr, BM_CREATE_NOP);
if (calc_uvs) {
BMO_face_flag_enable(bm, f, FACE_MARK);
}
side_faces[i - 1] = f;
}
else {
firstv1 = v1;
firstv2 = v2;
}
lastv1 = v1;
lastv2 = v2;
}
if (cap_ends) {
f = BM_face_create_quad_tri(bm, cent1, v1, firstv1, nullptr, nullptr, BM_CREATE_NOP);
if (calc_uvs) {
BMO_face_flag_enable(bm, f, FACE_MARK);
}
BMO_face_flag_enable(bm, f, FACE_NEW);
f = BM_face_create_quad_tri(bm, cent2, firstv2, v2, nullptr, nullptr, BM_CREATE_NOP);
if (calc_uvs) {
BMO_face_flag_enable(bm, f, FACE_MARK);
}
BMO_face_flag_enable(bm, f, FACE_NEW);
}
f = BM_face_create_quad_tri(bm, v1, v2, firstv2, firstv1, nullptr, BM_CREATE_NOP);
if (calc_uvs) {
BMO_face_flag_enable(bm, f, FACE_MARK);
}
if (calc_uvs) {
BM_mesh_calc_uvs_cone(bm, mat, rad2, rad1, segs, cap_ends, FACE_MARK, cd_loop_uv_offset);
}
/* Collapse vertices at the first end. */
if (rad1 == 0.0f) {
if (cap_ends) {
BM_vert_kill(bm, cent1);
}
for (int i = 0; i < side_faces_len; i++) {
f = side_faces[i];
BMLoop *l = BM_FACE_FIRST_LOOP(f);
BM_edge_collapse(bm, l->prev->e, l->prev->v, true, true);
}
}
/* Collapse vertices at the second end. */
if (rad2 == 0.0f) {
if (cap_ends) {
BM_vert_kill(bm, cent2);
}
for (int i = 0; i < side_faces_len; i++) {
f = side_faces[i];
BMLoop *l = BM_FACE_FIRST_LOOP(f);
BM_edge_collapse(bm, l->next->e, l->next->v, true, true);
}
}
if (!cap_tris) {
BMO_op_callf(bm, op->flag, "dissolve_faces faces=%ff", FACE_NEW);
}
if (side_faces != nullptr) {
MEM_freeN(side_faces);
}
BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "verts.out", BM_VERT, VERT_MARK);
}
void BM_mesh_calc_uvs_cone(BMesh *bm,
float mat[4][4],
const float radius_top,
const float radius_bottom,
const int segments,
const bool cap_ends,
const short oflag,
const int cd_loop_uv_offset)
{
BMFace *f;
BMLoop *l;
BMIter fiter, liter;
const float uv_width = 1.0f / float(segments);
const float uv_height = cap_ends ? 0.5f : 1.0f;
/* Note that all this allows us to handle all cases
* (real cone, truncated cone, with or without ends capped)
* with a single common code. */
const float uv_center_y = cap_ends ? 0.25f : 0.5f;
const float uv_center_x_top = cap_ends ? 0.25f : 0.5f;
const float uv_center_x_bottom = cap_ends ? 0.75f : 0.5f;
const float uv_radius = cap_ends ? 0.24f : 0.5f;
/* Using the opposite's end uv_scale as fallback allows us to handle 'real cone' case. */
const float uv_scale_top = (radius_top != 0.0f) ?
(uv_radius / radius_top) :
((radius_bottom != 0.0f) ? (uv_radius / radius_bottom) :
uv_radius);
const float uv_scale_bottom = (radius_bottom != 0.0f) ? (uv_radius / radius_bottom) :
uv_scale_top;
float local_up[3] = {0.0f, 0.0f, 1.0f};
float x, y;
float inv_mat[4][4];
int loop_index;
/* Transform the up-vector like we did the cone itself, without location. */
mul_mat3_m4_v3(mat, local_up);
/* Remove global scaling. */
normalize_v3(local_up);
invert_m4_m4(inv_mat, mat);
BLI_assert(cd_loop_uv_offset != -1); /* caller is responsible for ensuring the mesh has UVs */
x = 1.0f;
y = 1.0f - uv_height;
BM_ITER_MESH (f, &fiter, bm, BM_FACES_OF_MESH) {
if (!BMO_face_flag_test(bm, f, oflag)) {
continue;
}
if (f->len == 4 && radius_top && radius_bottom) {
/* side face - so unwrap it in a rectangle */
BM_ITER_ELEM_INDEX (l, &liter, f, BM_LOOPS_OF_FACE, loop_index) {
float *luv = BM_ELEM_CD_GET_FLOAT_P(l, cd_loop_uv_offset);
switch (loop_index) {
case 0:
/* Continue in the last position */
break;
case 1:
y += uv_height;
break;
case 2:
x -= uv_width;
break;
case 3:
y -= uv_height;
break;
default:
break;
}
luv[0] = x;
luv[1] = y;
}
}
else {
/* Top or bottom face - so unwrap it by transforming
* back to a circle and using the X/Y coords. */
BM_face_normal_update(f);
BM_ITER_ELEM (l, &liter, f, BM_LOOPS_OF_FACE) {
float *luv = BM_ELEM_CD_GET_FLOAT_P(l, cd_loop_uv_offset);
float uv_vco[3];
mul_v3_m4v3(uv_vco, inv_mat, l->v->co);
if (dot_v3v3(f->no, local_up) > 0.0f) { /* if this is a top face of the cone */
luv[0] = uv_center_x_top + uv_vco[0] * uv_scale_top;
luv[1] = uv_center_y + uv_vco[1] * uv_scale_top;
}
else {
luv[0] = uv_center_x_bottom + uv_vco[0] * uv_scale_bottom;
luv[1] = uv_center_y + uv_vco[1] * uv_scale_bottom;
}
}
}
}
}
void bmo_create_cube_exec(BMesh *bm, BMOperator *op)
{
BMVert *verts[8];
float mat[4][4];
float off = BMO_slot_float_get(op->slots_in, "size") / 2.0f;
const int cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_PROP_FLOAT2);
const bool calc_uvs = (cd_loop_uv_offset != -1) && BMO_slot_bool_get(op->slots_in, "calc_uvs");
/* rotation order set to match 'BM_mesh_calc_uvs_cube' */
const char faces[6][4] = {
{0, 1, 3, 2},
{2, 3, 7, 6},
{6, 7, 5, 4},
{4, 5, 1, 0},
{2, 6, 4, 0},
{7, 3, 1, 5},
};
BMO_slot_mat4_get(op->slots_in, "matrix", mat);
if (!off) {
off = 0.5f;
}
int i = 0;
for (int x = -1; x < 2; x += 2) {
for (int y = -1; y < 2; y += 2) {
for (int z = -1; z < 2; z += 2) {
float vec[3] = {float(x) * off, float(y) * off, float(z) * off};
mul_m4_v3(mat, vec);
verts[i] = BM_vert_create(bm, vec, nullptr, BM_CREATE_NOP);
BMO_vert_flag_enable(bm, verts[i], VERT_MARK);
i++;
}
}
}
for (i = 0; i < ARRAY_SIZE(faces); i++) {
BMFace *f;
BMVert *quad[4] = {
verts[faces[i][0]],
verts[faces[i][1]],
verts[faces[i][2]],
verts[faces[i][3]],
};
f = BM_face_create_verts(bm, quad, 4, nullptr, BM_CREATE_NOP, true);
if (calc_uvs) {
BMO_face_flag_enable(bm, f, FACE_MARK);
}
}
if (calc_uvs) {
BM_mesh_calc_uvs_cube(bm, FACE_MARK);
}
BMO_slot_buffer_from_enabled_flag(bm, op, op->slots_out, "verts.out", BM_VERT, VERT_MARK);
}
void BM_mesh_calc_uvs_cube(BMesh *bm, const short oflag)
{
BMFace *f;
BMLoop *l;
BMIter fiter, liter;
const float width = 0.25f;
const int cd_loop_uv_offset = CustomData_get_offset(&bm->ldata, CD_PROP_FLOAT2);
float x = 0.375f;
float y = 0.0f;
int loop_index;
BLI_assert(cd_loop_uv_offset != -1); /* the caller can ensure that we have UVs */
BM_ITER_MESH (f, &fiter, bm, BM_FACES_OF_MESH) {
if (!BMO_face_flag_test(bm, f, oflag)) {
continue;
}
BM_ITER_ELEM_INDEX (l, &liter, f, BM_LOOPS_OF_FACE, loop_index) {
float *luv = BM_ELEM_CD_GET_FLOAT_P(l, cd_loop_uv_offset);
luv[0] = x;
luv[1] = y;
switch (loop_index) {
case 0:
x += width;
break;
case 1:
y += width;
break;
case 2:
x -= width;
break;
case 3:
y -= width;
break;
default:
break;
}
}
if (y >= 0.75f && x > 0.125f) {
x = 0.125f;
y = 0.5f;
}
else if (x <= 0.125f) {
x = 0.625f;
y = 0.5f;
}
else {
y += 0.25f;
}
}
}
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