1 files changed, 43 insertions, 0 deletions
diff --git a/src/game/shared/const.hh b/src/game/shared/const.hh
new file mode 100644
index 0000000..187962a
--- /dev/null
+++ b/src/game/shared/const.hh
@@ -0,0 +1,43 @@
+#pragma once
+
+#include "core/math/constexpr.hh"
+
+constexpr static unsigned int CHUNK_SIZE = 16;
+constexpr static unsigned int CHUNK_AREA = CHUNK_SIZE * CHUNK_SIZE;
+constexpr static unsigned int CHUNK_VOLUME = CHUNK_SIZE * CHUNK_SIZE * CHUNK_SIZE;
+constexpr static unsigned int CHUNK_BITSHIFT = math::log2(CHUNK_SIZE);
+
+template<typename T>
+constexpr static glm::vec<3, T> DIR_NORTH = glm::vec<3, T>(0, 0, +1);
+template<typename T>
+constexpr static glm::vec<3, T> DIR_SOUTH = glm::vec<3, T>(0, 0, -1);
+template<typename T>
+constexpr static glm::vec<3, T> DIR_EAST = glm::vec<3, T>(-1, 0, 0);
+template<typename T>
+constexpr static glm::vec<3, T> DIR_WEST = glm::vec<3, T>(+1, 0, 0);
+template<typename T>
+constexpr static glm::vec<3, T> DIR_DOWN = glm::vec<3, T>(0, -1, 0);
+template<typename T>
+constexpr static glm::vec<3, T> DIR_UP = glm::vec<3, T>(0, +1, 0);
+
+template<typename T>
+constexpr static glm::vec<3, T> DIR_FORWARD = glm::vec<3, T>(0, 0, +1);
+template<typename T>
+constexpr static glm::vec<3, T> DIR_BACK = glm::vec<3, T>(0, 0, -1);
+template<typename T>
+constexpr static glm::vec<3, T> DIR_LEFT = glm::vec<3, T>(-1, 0, 0);
+template<typename T>
+constexpr static glm::vec<3, T> DIR_RIGHT = glm::vec<3, T>(+1, 0, 0);
+
+template<typename T>
+constexpr static glm::vec<3, T> UNIT_X = glm::vec<3, T>(1, 0, 0);
+template<typename T>
+constexpr static glm::vec<3, T> UNIT_Y = glm::vec<3, T>(0, 1, 0);
+template<typename T>
+constexpr static glm::vec<3, T> UNIT_Z = glm::vec<3, T>(0, 0, 1);
+
+template<typename T>
+constexpr static glm::vec<2, T> ZERO_VEC2 = glm::vec<2, T>(0, 0);
+
+template<typename T>
+constexpr static glm::vec<3, T> ZERO_VEC3 = glm::vec<3, T>(0, 0, 0);