silly little textured blocks

CMakeLists.txt

@@ -1,11 +1,11 @@
-cmake_minimum_required(VERSION 3.28)
+cmake_minimum_required(VERSION 3.25)
-project(voxel-game VERSION 0.0.2)
+project(voxel-game VERSION 0.0.4)
 
 option(ENABLE_ADDRSAN "Enable the address sanitizer" OFF)
 option(ENABLE_UBSAN "Enable the ub sanitizer" OFF)
 option(ENABLE_TSAN "Enable the thread data race sanitizer" OFF)
 
-set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD 20)
 
 add_subdirectory(lib/blt-with-graphics)
 

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

include/voxel/chunk.h

@@ -0,0 +1,50 @@
+#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_CHUNK_H
+#define VOXEL_GAME_CHUNK_H
+
+#include <array>
+#include <voxel/fwdecl.h>
+#include <voxel/block.h>
+#include <blt/std/hashmap.h>
+
+namespace voxel
+{
+    enum class chunk_generation_state_t
+    {
+        empty,                  // no data exists in chunk
+        empty_structure,        // chunk was created for the purpose of storing a structure
+        biomes,                 // chunk generated biomes
+        noise,                  // chunk generated noise map
+        surface,                // chunk generated surface details
+        carvers,                // rivers
+        features,               // structure generation
+        full
+    };
+    
+    class chunk_t
+    {
+        public:
+        private:
+            chunk_generation_state_t state;
+            std::array<vid_t, CHUNK_SIZE * CHUNK_SIZE * CHUNK_SIZE> blocks;
+    };
+}
+
+#endif //VOXEL_GAME_CHUNK_H

include/voxel/fwdecl.h

@@ -0,0 +1,40 @@
+#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_FWDECL_H
+#define VOXEL_GAME_FWDECL_H
+
+#include <blt/std/types.h>
+#include <cmath>
+
+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;
+    
+}
+
+#endif //VOXEL_GAME_FWDECL_H

pull_all.sh

@@ -0,0 +1,5 @@
+git pull
+cd lib/blt-with-graphics
+git pull
+cd libraries/BLT
+git pull

src/main.cpp

@@ -1,6 +1,57 @@
-#include <iostream>
+/*
+ *  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 <blt/gfx/window.h>
+#include "blt/gfx/renderer/resource_manager.h"
+#include "blt/gfx/renderer/batch_2d_renderer.h"
+#include "blt/gfx/renderer/camera.h"
+#include <imgui.h>
+#include <voxel/chunk.h>
 
-int main()
+blt::gfx::matrix_state_manager global_matrices;
+blt::gfx::resource_manager resources;
+blt::gfx::batch_renderer_2d renderer_2d(resources, global_matrices);
+blt::gfx::first_person_camera camera;
+
+void init(const blt::gfx::window_data&)
 {
-    std::cout << "Hello World!" << std::endl;    
+    using namespace blt::gfx;
+    
+    
+    global_matrices.create_internals();
+    resources.load_resources();
+    renderer_2d.create();
+}
+
+void update(const blt::gfx::window_data& data)
+{
+    global_matrices.update_perspectives(data.width, data.height, 90, 0.1, 2000);
+    
+    camera.update();
+    camera.update_view(global_matrices);
+    global_matrices.update();
+    
+    renderer_2d.render(data.width, data.height);
+}
+
+int main(int, const char**)
+{
+    blt::gfx::init(blt::gfx::window_data{"My Sexy Window", init, update}.setSyncInterval(1));
+    global_matrices.cleanup();
+    resources.cleanup();
+    renderer_2d.cleanup();
+    blt::gfx::cleanup();
 }

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>