From 67a0aa7a28f2a5d6d8ef44c19dbc17d4ed4d1822 Mon Sep 17 00:00:00 2001
From: Brett Laptop <tri11paragon@tpgc.me>
Date: Fri, 13 Sep 2024 14:29:31 -0400
Subject: [PATCH] silly little textured blocks

---
 CMakeLists.txt         |  2 +-
 include/voxel/block.h  | 94 ++++++++++++++++++++++++++++++++++++++++++
 include/voxel/chunk.h  |  1 +
 include/voxel/fwdecl.h |  3 ++
 src/voxel/chunk.cpp    | 18 ++++++++
 5 files changed, 117 insertions(+), 1 deletion(-)
 create mode 100644 include/voxel/block.h
 create mode 100644 src/voxel/chunk.cpp

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a8aa3df..d81ced5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.25)
-project(voxel-game VERSION 0.0.3)
+project(voxel-game VERSION 0.0.4)
 
 option(ENABLE_ADDRSAN "Enable the address sanitizer" OFF)
 option(ENABLE_UBSAN "Enable the ub sanitizer" OFF)
diff --git a/include/voxel/block.h b/include/voxel/block.h
new file mode 100644
index 0000000..ddde03d
--- /dev/null
+++ b/include/voxel/block.h
@@ -0,0 +1,94 @@
+#pragma once
+/*
+ *  Copyright (C) 2024  Brett Terpstra
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef VOXEL_GAME_BLOCK_H
+#define VOXEL_GAME_BLOCK_H
+
+#include <voxel/fwdecl.h>
+#include <array>
+#include <variant>
+
+namespace voxel
+{
+    enum class face_t : blt::u32
+    {
+        NORTH, SOUTH, EAST, WEST, UP, DOWN, COUNT
+    };
+    
+    constexpr inline blt::u32 face_to_int(face_t face)
+    {
+        return static_cast<blt::u32>(face);
+    }
+    
+    class textured_block_t
+    {
+        public:
+            explicit textured_block_t(texture_id_t id)
+            {
+                for (auto& f : faces)
+                    f = id;
+            }
+            
+            explicit textured_block_t(texture_id_t top, texture_id_t id)
+            {
+                for (auto& f : faces)
+                    f = id;
+                faces[face_to_int(face_t::UP)] = top;
+            }
+            
+            explicit textured_block_t(texture_id_t top, texture_id_t bottom, texture_id_t sides)
+            {
+                for (auto& f : faces)
+                    f = sides;
+                faces[face_to_int(face_t::UP)] = top;
+                faces[face_to_int(face_t::DOWN)] = bottom;
+            }
+            
+            explicit textured_block_t(std::array<texture_id_t, face_to_int(face_t::COUNT)> faces): faces(faces)
+            {}
+            
+            texture_id_t get_texture_facing(face_t face)
+            {
+                return faces[face_to_int(face)];
+            }
+        
+        private:
+            std::array<texture_id_t, face_to_int(face_t::COUNT)> faces{};
+    };
+    
+    class block_model_t
+    {
+        public:
+        
+        private:
+        
+    };
+    
+    /**
+     * Defines data about a block
+     */
+    class block_t
+    {
+        public:
+        private:
+            block_id_t id;
+            std::variant<block_model_t, textured_block_t> model;
+    };
+}
+
+#endif //VOXEL_GAME_BLOCK_H
diff --git a/include/voxel/chunk.h b/include/voxel/chunk.h
index f10db34..f0cedd4 100644
--- a/include/voxel/chunk.h
+++ b/include/voxel/chunk.h
@@ -21,6 +21,7 @@
 
 #include <array>
 #include <voxel/fwdecl.h>
+#include <voxel/block.h>
 #include <blt/std/hashmap.h>
 
 namespace voxel
diff --git a/include/voxel/fwdecl.h b/include/voxel/fwdecl.h
index 9bb3d09..1dce068 100644
--- a/include/voxel/fwdecl.h
+++ b/include/voxel/fwdecl.h
@@ -28,8 +28,11 @@ namespace voxel
     inline constexpr blt::u64 CHUNK_SIZE = 32;
     inline const blt::u64 CHUNK_MASK = static_cast<blt::u64>(std::log2(CHUNK_SIZE));
     
+    using block_id_t = blt::u64;
+    using texture_id_t = blt::u64;
     using vid_t = blt::u16;
     
+    class block_t;
     class chunk_t;
     
 }
diff --git a/src/voxel/chunk.cpp b/src/voxel/chunk.cpp
new file mode 100644
index 0000000..e8ec753
--- /dev/null
+++ b/src/voxel/chunk.cpp
@@ -0,0 +1,18 @@
+/*
+ *  <Short Description>
+ *  Copyright (C) 2024  Brett Terpstra
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+#include <voxel/chunk.h>
\ No newline at end of file