feat: add world class

src/gameplay/chuck.cpp

@@ -0,0 +1,28 @@
+#include <Cubed/gameplay/chuck.hpp>
+
+Chuck::Chuck() {
+    init_chuck();
+}
+
+Chuck::~Chuck() {
+
+}
+
+const std::vector<uint8_t>& Chuck::get_chuck_blocks() const{
+    return m_blocks;
+}
+
+void Chuck::init_chuck() {
+    m_blocks.assign(CHUCK_SIZE * CHUCK_SIZE * CHUCK_SIZE, 0);
+    for (int x = 0; x < CHUCK_SIZE; x++) {
+        for (int y = 0; y < 2; y++) {
+            for (int z = 0; z < CHUCK_SIZE; z++) {
+                m_blocks[get_index(x, y, z)] = 1;
+            }
+        }
+    }
+}
+
+int Chuck::get_index(int x, int y, int z) {
+    return x * CHUCK_SIZE * CHUCK_SIZE + y * CHUCK_SIZE + z;
+}

src/gameplay/world.cpp

@@ -0,0 +1,76 @@
+#include <Cubed/gameplay/world.hpp>
+#include <Cubed/tools/cubed_assert.hpp>
+World::World() {
+    
+}
+
+World::~World() {
+
+}
+static int chuck_x, chuck_z;
+const BlockRenderData& World::get_block_render_data(int world_x, int world_y ,int world_z) {
+    
+    chuck_x = world_x / CHUCK_SIZE;
+    chuck_z = world_z / CHUCK_SIZE;
+
+    auto it = m_chucks.find((ChuckPos){chuck_x, chuck_z});
+    CUBED_ASSERT_MSG(it != m_chucks.end(), "Chuck not find");
+    
+    const auto& chuck_blocks = it->second.get_chuck_blocks();
+    int x, y, z;
+    y = world_y;
+    x = world_x - chuck_x * CHUCK_SIZE;
+    z = world_z - chuck_z * CHUCK_SIZE;
+    // block id
+    m_block_render_data.block_id = chuck_blocks[Chuck::get_index(x, y, z)];
+    // draw_face
+    m_block_render_data.draw_face.assign(6, true);
+    if (x > 0 ) {
+        if (x > 0 && chuck_blocks[Chuck::get_index(x - 1, y, z)]) {
+            m_block_render_data.draw_face[3] = false;
+        }   
+    }
+    if (x < CHUCK_SIZE - 1) {
+        if (x < DISTANCE * CHUCK_SIZE - 1 && chuck_blocks[Chuck::get_index(x + 1, y, z)]) {
+            m_block_render_data.draw_face[1] = false;
+        }
+    }
+    if (z > 0 ) {    
+        if (z > 0 && chuck_blocks[Chuck::get_index(x, y, z - 1)]) {
+            m_block_render_data.draw_face[2] = false;
+        }
+    }
+    if (z < CHUCK_SIZE - 1) {
+        if (z < DISTANCE * CHUCK_SIZE - 1 && chuck_blocks[Chuck::get_index(x, y, z + 1)]) {
+            m_block_render_data.draw_face[0] = false;
+        }
+    }
+    if (y > 0 ) {
+        if (y > 0 && chuck_blocks[Chuck::get_index(x, y - 1, z)]) {
+            m_block_render_data.draw_face[5] = false;
+        }
+    }
+    if (y < CHUCK_SIZE - 1) {
+        if (y < CHUCK_SIZE - 1 && chuck_blocks[Chuck::get_index(x, y + 1, z)]) {
+            m_block_render_data.draw_face[4] = false;
+        }
+    }
+    
+
+    return m_block_render_data;
+}
+
+void World::init_world() {
+    for (int s = 0; s < DISTANCE; s++) {
+        for (int t = 0; t < DISTANCE; t++) {
+            ChuckPos pos{s, t};
+            Chuck chuck;
+            m_chucks[pos] = chuck; 
+        }
+    }
+    
+}
+
+void World::render() {
+    
+}