From 6cd00aacfa22fed6a54a9b812f6b069ad16feec0 Mon Sep 17 00:00:00 2001
From: untodesu <kirill@untode.su>
Date: Sun, 29 Jun 2025 22:24:42 +0500
Subject: Move game sources into src subdirectory

---
 src/game/client/chunk_quad.hh | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 src/game/client/chunk_quad.hh

(limited to 'src/game/client/chunk_quad.hh')

diff --git a/src/game/client/chunk_quad.hh b/src/game/client/chunk_quad.hh
new file mode 100644
index 0000000..337bb1e
--- /dev/null
+++ b/src/game/client/chunk_quad.hh
@@ -0,0 +1,39 @@
+#ifndef CLIENT_CHUNK_QUAD_HH
+#define CLIENT_CHUNK_QUAD_HH 1
+#pragma once
+
+#include "core/constexpr.hh"
+
+#include "shared/voxel_registry.hh"
+
+// [0] XXXXXXXXYYYYYYYYZZZZZZZZWWWWHHHH
+// [1] FFFFTTTTTTTTTTTAAAAA------------
+using ChunkQuad = std::array<std::uint32_t, 2>;
+
+constexpr inline static ChunkQuad make_chunk_quad(
+    const glm::fvec3& position, const glm::fvec2& size, voxel_facing facing, std::size_t texture, std::size_t frames)
+{
+    ChunkQuad result = {};
+    result[0] = 0x00000000;
+    result[1] = 0x00000000;
+
+    // [0] XXXXXXXXYYYYYYYYZZZZZZZZ--------
+    result[0] |= (0x000000FFU & static_cast<std::uint32_t>(position.x * 16.0f)) << 24U;
+    result[0] |= (0x000000FFU & static_cast<std::uint32_t>(position.y * 16.0f)) << 16U;
+    result[0] |= (0x000000FFU & static_cast<std::uint32_t>(position.z * 16.0f)) << 8U;
+
+    // [0] ------------------------WWWWHHHH
+    result[0] |= (0x0000000FU & static_cast<std::uint32_t>(size.x * 16.0f - 1.0f)) << 4U;
+    result[0] |= (0x0000000FU & static_cast<std::uint32_t>(size.y * 16.0f - 1.0f));
+
+    // [1] FFFF----------------------------
+    result[1] |= (0x0000000FU & static_cast<std::uint32_t>(facing)) << 28U;
+
+    // [1] ----TTTTTTTTTTTAAAAA------------
+    result[1] |= (0x000007FFU & static_cast<std::uint32_t>(texture)) << 17U;
+    result[1] |= (0x0000001FU & static_cast<std::uint32_t>(frames)) << 12U;
+
+    return result;
+}
+
+#endif /* CLIENT_CHUNK_QUAD_HH  */
-- 
cgit