From 0649419485ddfed485e409c1bed401ac6635aa04 Mon Sep 17 00:00:00 2001
From: MihailRis <mexaruc@gmail.com>
Date: Fri, 21 Feb 2025 19:35:37 +0300
Subject: [PATCH] randomize rotatable plants in world generation

---
 src/voxels/Block.cpp                   | 9 ++++++---
 src/voxels/Block.hpp                   | 1 +
 src/world/generator/WorldGenerator.cpp | 5 +++++
 3 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/voxels/Block.cpp b/src/voxels/Block.cpp
index 3aee8606..7f08b3a7 100644
--- a/src/voxels/Block.cpp
+++ b/src/voxels/Block.cpp
@@ -101,7 +101,8 @@ const BlockRotProfile BlockRotProfile::NONE {
         {{1, 0, 0}, {0, 1, 0}, {0, 0, 1}},  // West
         {{1, 0, 0}, {0, 1, 0}, {0, 0, 1}},  // Up
         {{1, 0, 0}, {0, 1, 0}, {0, 0, 1}},  // Down
-    }
+    },
+    0
 };
 
 const BlockRotProfile BlockRotProfile::PIPE {
@@ -113,7 +114,8 @@ const BlockRotProfile BlockRotProfile::PIPE {
         {{0, 0, -1}, {1, 0, 0}, {0, -1, 0}},   // West
         {{1, 0, 0}, {0, 1, 0}, {0, 0, 1}},     // Up
         {{1, 0, 0}, {0, -1, 0}, {0, 0, -1}},   // Down
-    }
+    },
+    6
 };
 
 const BlockRotProfile BlockRotProfile::PANE {
@@ -123,7 +125,8 @@ const BlockRotProfile BlockRotProfile::PANE {
         {{0, 0, -1}, {0, 1, 0}, {1, 0, 0}},   // East
         {{-1, 0, 0}, {0, 1, 0}, {0, 0, -1}},  // South
         {{0, 0, 1}, {0, 1, 0}, {-1, 0, 0}},   // West
-    }
+    },
+    4
 };
 
 Block::Block(const std::string& name)
diff --git a/src/voxels/Block.hpp b/src/voxels/Block.hpp
index b127a48b..a7b3aeb1 100644
--- a/src/voxels/Block.hpp
+++ b/src/voxels/Block.hpp
@@ -65,6 +65,7 @@ struct BlockRotProfile {
     static const int MAX_COUNT = 8;
     std::string name;
     CoordSystem variants[MAX_COUNT];
+    int variantsCount;
 
     /// @brief No rotation
     static const BlockRotProfile NONE;
diff --git a/src/world/generator/WorldGenerator.cpp b/src/world/generator/WorldGenerator.cpp
index a86565ec..77c8cbeb 100644
--- a/src/world/generator/WorldGenerator.cpp
+++ b/src/world/generator/WorldGenerator.cpp
@@ -389,7 +389,12 @@ void WorldGenerator::generatePlants(
                     }
                     auto& groundVoxel = voxels[vox_index(x, height, z)];
                     if (indices.get(groundVoxel.id)->rt.solid) {
+                        const auto& def = indices.require(plant);
                         voxel = {plant, {}};
+                        if (def.rotatable && def.rotations.variantsCount) {
+                            voxel.state.rotation =
+                                plantsRand.rand() % def.rotations.variantsCount;
+                        }
                     }
                 }
             }