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| author | Star Rauchenberger <fefferburbia@gmail.com> | 2021-08-21 17:12:29 -0400 |
|---|---|---|
| committer | Star Rauchenberger <fefferburbia@gmail.com> | 2021-08-21 17:12:29 -0400 |
| commit | c60df0e75e63f488d94fd744ad70df8124dc7724 (patch) | |
| tree | 92940cd8c0da9102c7f1f9ef37ed4d4b5d341985 /Source/Randomizer2Core.cpp | |
| parent | 02327bf40bb9f6ef8d5e17fa982da70a3fe93eb4 (diff) | |
| download | witness-tutorializer-c60df0e75e63f488d94fd744ad70df8124dc7724.tar.gz witness-tutorializer-c60df0e75e63f488d94fd744ad70df8124dc7724.tar.bz2 witness-tutorializer-c60df0e75e63f488d94fd744ad70df8124dc7724.zip | |
Souped up the UI
Diffstat (limited to 'Source/Randomizer2Core.cpp')
| -rw-r--r-- | Source/Randomizer2Core.cpp | 203 |
1 files changed, 0 insertions, 203 deletions
| diff --git a/Source/Randomizer2Core.cpp b/Source/Randomizer2Core.cpp deleted file mode 100644 index 867fa5a..0000000 --- a/Source/Randomizer2Core.cpp +++ /dev/null | |||
| @@ -1,203 +0,0 @@ | |||
| 1 | #include "pch.h" | ||
| 2 | #include "Randomizer2Core.h" | ||
| 3 | #include "Random.h" | ||
| 4 | |||
| 5 | std::vector<Pos> Randomizer2Core::CutEdges(const Puzzle& p, size_t numEdges) { | ||
| 6 | return CutEdgesInternal(p, 0, p.width, 0, p.height, numEdges); | ||
| 7 | } | ||
| 8 | |||
| 9 | std::vector<Pos> Randomizer2Core::CutInsideEdges(const Puzzle& p, size_t numEdges) { | ||
| 10 | return CutEdgesInternal(p, 1, p.width-1, 1, p.height-1, numEdges); | ||
| 11 | } | ||
| 12 | |||
| 13 | std::vector<Pos> Randomizer2Core::CutSymmetricalEdgePairs(const Puzzle& p, size_t numEdges) { | ||
| 14 | Puzzle copy = p; | ||
| 15 | // Prevent cuts from landing on the midline | ||
| 16 | if (p.symmetry == Puzzle::Symmetry::X) { | ||
| 17 | for (int y=0; y<p.height; y++) { | ||
| 18 | copy.grid[p.width/2][y].gap = Cell::Gap::FULL; | ||
| 19 | } | ||
| 20 | return CutEdgesInternal(copy, 0, (p.width-1)/2, 0, p.height, numEdges); | ||
| 21 | } else if (p.symmetry == Puzzle::Symmetry::Y) { | ||
| 22 | for (int x=0; x<p.width; x++) { | ||
| 23 | copy.grid[x][p.height/2].gap = Cell::Gap::FULL; | ||
| 24 | } | ||
| 25 | return CutEdgesInternal(copy, 0, p.width, 0, (p.height-1)/2, numEdges); | ||
| 26 | } else { | ||
| 27 | assert(p.symmetry == Puzzle::Symmetry::XY); | ||
| 28 | int midX = p.width/2; | ||
| 29 | int midY = p.height/2; | ||
| 30 | if (p.width%4 == 1 && p.height%4 == 1) { // For double-even grids, cut around the center | ||
| 31 | copy.grid[midX-1][midY].gap = Cell::Gap::FULL; | ||
| 32 | copy.grid[midX][midY-1].gap = Cell::Gap::FULL; | ||
| 33 | copy.grid[midX][midY+1].gap = Cell::Gap::FULL; | ||
| 34 | copy.grid[midX+1][midY].gap = Cell::Gap::FULL; | ||
| 35 | } else if (p.width%4 == 1 && p.height%4 == 3) { // For half-even grids, there's only one line to cut | ||
| 36 | copy.grid[midX][midY].gap = Cell::Gap::FULL; | ||
| 37 | } else if (p.width%4 == 3 && p.height%4 == 1) { // For half-even grids, there's only one line to cut | ||
| 38 | copy.grid[midX][midY].gap = Cell::Gap::FULL; | ||
| 39 | } | ||
| 40 | return CutEdgesInternal(copy, 0, p.width, 0, p.height, numEdges); | ||
| 41 | } | ||
| 42 | } | ||
| 43 | |||
| 44 | std::vector<Pos> Randomizer2Core::CutEdgesInternal(const Puzzle& p, int xMin, int xMax, int yMin, int yMax, size_t numEdges) { | ||
| 45 | std::vector<Pos> edges; | ||
| 46 | for (int x=xMin; x<xMax; x++) { | ||
| 47 | for (int y=yMin; y<yMax; y++) { | ||
| 48 | if (x%2 == y%2) continue; | ||
| 49 | if (p.grid[x][y].gap != Cell::Gap::NONE) continue; | ||
| 50 | if (p.grid[x][y].start) continue; | ||
| 51 | if (p.grid[x][y].end != Cell::Dir::NONE) continue; | ||
| 52 | |||
| 53 | if (p.symmetry == Puzzle::Symmetry::XY) { | ||
| 54 | assert(p.width == p.height); // TODO: This solution only supports square rotational symmetry. | ||
| 55 | if (x > y) continue; // Only allow cuts bottom-left of the diagonal | ||
| 56 | } | ||
| 57 | |||
| 58 | // If the puzzle already has a sequence, don't cut along it. | ||
| 59 | bool inSequence = false; | ||
| 60 | for (Pos pos : p.sequence) inSequence |= (pos.x == x && pos.y == y); | ||
| 61 | if (inSequence) continue; | ||
| 62 | edges.emplace_back(x, y); | ||
| 63 | } | ||
| 64 | } | ||
| 65 | assert(numEdges <= edges.size()); | ||
| 66 | |||
| 67 | auto [colorGrid, numColors] = CreateColorGrid(p); | ||
| 68 | assert(numEdges <= numColors); | ||
| 69 | |||
| 70 | // @Hack... sort of. I couldn't think of a better way to do this. | ||
| 71 | if (p.symmetry == Puzzle::Symmetry::XY) { | ||
| 72 | // Recolor the diagonal so that opposite cells share a color. This is because we're only cutting along half their edges, | ||
| 73 | // so they are in fact two sides of the same cell. | ||
| 74 | for (int x=1; x<p.width/2; x+=2) { | ||
| 75 | assert(p.width == p.height); // TODO: This solution only supports square rotational symmetry. | ||
| 76 | colorGrid[x][x] = colorGrid[p.width-x-1][p.width-x-1]; | ||
| 77 | } | ||
| 78 | } | ||
| 79 | |||
| 80 | std::vector<Pos> cutEdges; | ||
| 81 | for (int i=0; i<numEdges; i++) { | ||
| 82 | while (edges.size() > 0) { | ||
| 83 | int edge = Random::RandInt(0, static_cast<int>(edges.size() - 1)); | ||
| 84 | Pos pos = edges[edge]; | ||
| 85 | edges.erase(edges.begin() + edge); | ||
| 86 | |||
| 87 | int color1 = 0; | ||
| 88 | int color2 = 0; | ||
| 89 | if (pos.x%2 == 0 && pos.y%2 == 1) { // Vertical | ||
| 90 | if (pos.x > 0) color1 = colorGrid[pos.x-1][pos.y]; | ||
| 91 | else color1 = 1; | ||
| 92 | |||
| 93 | if (pos.x < p.width - 1) color2 = colorGrid[pos.x+1][pos.y]; | ||
| 94 | else color2 = 1; | ||
| 95 | } else { // Horizontal | ||
| 96 | assert(pos.x%2 == 1 && pos.y%2 == 0); | ||
| 97 | if (pos.y > 0) color1 = colorGrid[pos.x][pos.y-1]; | ||
| 98 | else color1 = 1; | ||
| 99 | |||
| 100 | if (pos.y < p.height - 1) color2 = colorGrid[pos.x][pos.y+1]; | ||
| 101 | else color2 = 1; | ||
| 102 | } | ||
| 103 | // Enforce color1 < color2 | ||
| 104 | if (color1 > color2) std::swap(color1, color2); | ||
| 105 | |||
| 106 | // Colors mismatch, valid cut | ||
| 107 | if (color1 != color2) { | ||
| 108 | // @Performance... have a lookup table instead? | ||
| 109 | for (int x=0; x<p.width; x++) { | ||
| 110 | for (int y=0; y<p.height; y++) { | ||
| 111 | if (colorGrid[x][y] == color2) colorGrid[x][y] = color1; | ||
| 112 | } | ||
| 113 | } | ||
| 114 | cutEdges.emplace_back(pos); | ||
| 115 | break; | ||
| 116 | } | ||
| 117 | } | ||
| 118 | } | ||
| 119 | assert(cutEdges.size() == numEdges); | ||
| 120 | return cutEdges; | ||
| 121 | } | ||
| 122 | |||
| 123 | #ifndef NDEBUG | ||
| 124 | #include <Windows.h> | ||
| 125 | #endif | ||
| 126 | |||
| 127 | void Randomizer2Core::DebugColorGrid(const std::vector<std::vector<int>>& colorGrid) { | ||
| 128 | #ifndef NDEBUG | ||
| 129 | static std::string colors = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"; | ||
| 130 | for (int y=0; y<colorGrid[0].size(); y++) { | ||
| 131 | std::string row; | ||
| 132 | for (int x=0; x<colorGrid.size(); x++) { | ||
| 133 | row += colors[colorGrid[x][y]]; | ||
| 134 | } | ||
| 135 | row += "\n"; | ||
| 136 | OutputDebugStringA(row.c_str()); | ||
| 137 | } | ||
| 138 | OutputDebugStringA("\n"); | ||
| 139 | #endif | ||
| 140 | } | ||
| 141 | |||
| 142 | void Randomizer2Core::FloodFill(const Puzzle& p, std::vector<std::vector<int>>& colorGrid, int color, int x, int y) { | ||
| 143 | if (!p.SafeCell(x, y)) return; | ||
| 144 | if (colorGrid[x][y] != 0) return; // Already processed. | ||
| 145 | colorGrid[x][y] = color; | ||
| 146 | |||
| 147 | FloodFill(p, colorGrid, color, x, y+1); | ||
| 148 | FloodFill(p, colorGrid, color, x, y-1); | ||
| 149 | FloodFill(p, colorGrid, color, x+1, y); | ||
| 150 | FloodFill(p, colorGrid, color, x-1, y); | ||
| 151 | } | ||
| 152 | |||
| 153 | void Randomizer2Core::FloodFillOutside(const Puzzle& p, std::vector<std::vector<int>>& colorGrid, int x, int y) { | ||
| 154 | if (!p.SafeCell(x, y)) return; | ||
| 155 | if (colorGrid[x][y] != 0) return; // Already processed. | ||
| 156 | if (x%2 != y%2 && p.grid[x][y].gap == Cell::Gap::NONE) return; // Only flood-fill through gaps | ||
| 157 | colorGrid[x][y] = 1; // Outside color | ||
| 158 | |||
| 159 | FloodFillOutside(p, colorGrid, x, y+1); | ||
| 160 | FloodFillOutside(p, colorGrid, x, y-1); | ||
| 161 | FloodFillOutside(p, colorGrid, x+1, y); | ||
| 162 | FloodFillOutside(p, colorGrid, x-1, y); | ||
| 163 | } | ||
| 164 | |||
| 165 | // Color key: | ||
| 166 | // 0 (default): Uncolored | ||
| 167 | // 1: Outside color and separator color | ||
| 168 | // 2+: Flood-filled region color | ||
| 169 | std::tuple<std::vector<std::vector<int>>, int> Randomizer2Core::CreateColorGrid(const Puzzle& p) { | ||
| 170 | std::vector<std::vector<int>> colorGrid; | ||
| 171 | colorGrid.resize(p.width); | ||
| 172 | |||
| 173 | for (int x=0; x<p.width; x++) { | ||
| 174 | colorGrid[x].resize(p.height); | ||
| 175 | for (int y=0; y<p.height; y++) { | ||
| 176 | if (x%2 == 1 && y%2 == 1) continue; | ||
| 177 | // Mark all unbroken edges and intersections as 'do not color' | ||
| 178 | if (p.grid[x][y].gap == Cell::Gap::NONE) colorGrid[x][y] = 1; | ||
| 179 | } | ||
| 180 | } | ||
| 181 | |||
| 182 | // @Future: Skip this loop if pillar = true; | ||
| 183 | for (int y=0; y<p.height; y++) { | ||
| 184 | FloodFillOutside(p, colorGrid, 0, y); | ||
| 185 | FloodFillOutside(p, colorGrid, p.width - 1, y); | ||
| 186 | } | ||
| 187 | |||
| 188 | for (int x=0; x<p.width; x++) { | ||
| 189 | FloodFillOutside(p, colorGrid, x, 0); | ||
| 190 | FloodFillOutside(p, colorGrid, x, p.height - 1); | ||
| 191 | } | ||
| 192 | |||
| 193 | int color = 1; | ||
| 194 | for (int x=0; x<p.width; x++) { | ||
| 195 | for (int y=0; y<p.height; y++) { | ||
| 196 | if (colorGrid[x][y] != 0) continue; // No dead colors | ||
| 197 | color++; | ||
| 198 | FloodFill(p, colorGrid, color, x, y); | ||
| 199 | } | ||
| 200 | } | ||
| 201 | |||
| 202 | return {colorGrid, color}; | ||
| 203 | } \ No newline at end of file | ||
