store id in DB

CMakeLists.txt

@@ -33,7 +33,7 @@ add_library(shared STATIC
   shared/src/values/Similarity.cpp
   shared/src/TcpSocket.cpp
   shared/src/sql.cpp
-  shared/src/timing.cpp
+  shared/src/values/DnaDB.cpp
 )
 
 add_executable(app
@@ -45,23 +45,21 @@ add_executable(app
 target_include_directories(app PRIVATE app/inc)
 target_link_libraries(app PRIVATE shared)
 
-# add_executable(server
+add_executable(server
-#   server/src/server.cpp
+  server/src/server.cpp
-#   server/src/checker.cpp
+  server/src/checker.cpp
-# )
+)
-# target_include_directories(server PRIVATE server/inc)
+target_include_directories(server PRIVATE server/inc)
-# target_link_libraries(server PRIVATE shared)
+target_link_libraries(server PRIVATE shared)
 
-# add_executable(view
+add_executable(view
-#   view/src/main.cpp
+  view/src/main.cpp
-#   view/src/Vapp.cpp
+  view/src/Vapp.cpp
-# )
+)
-# target_include_directories(view PRIVATE view/inc)
+target_include_directories(view PRIVATE view/inc)
-# target_link_libraries(view PRIVATE shared)
+target_link_libraries(view PRIVATE shared)
 
-# add_executable(slike
+add_executable(slike
-#   random/slike.cpp
+  random/slike.cpp
-# )
+)
-# target_link_libraries(slike PRIVATE shared)
+target_link_libraries(slike PRIVATE shared)
-
-file(COPY CascadiaCode.ttf DESTINATION "res")

app/inc/App.hpp

@@ -1,6 +1,7 @@
 #include <array>
 #include "canvas/Canvas.hpp"
 #include "DnaStore.hpp"
+
 class App
 {
 
@@ -18,14 +19,30 @@ private:
   int screenWidth, screenHeight;
   Canvas canvas;
 
-  RenderTexture2D canvasTexure = {0};
+  int pos = 0;
+  std::array<RenderTexture2D, 2> canvasTexure = {0};
 
+  float rotation = 0.0f;
+  Vector2 mouseStart;
+  bool validHit = false;
+  float len;
+  float ofset;
+
+  Liked topLiked = Liked::tbd;
 
   Rectangle destA;
+  Rectangle destB;
+  Rectangle likeBox;
+  Rectangle disLikeBox;
 
-  UiUnit unit = {0};
+  std::array<UiUnit, 2> unit = {0};
 
   DnaManagerData manager;
 
+  Rectangle likedTextBox;
+  Rectangle genTextBox;
+  Rectangle simTextBox;
+  float simil = 100.0f;
 
+  Color appColor = BLUE;
 };

app/inc/DnaStore.hpp

@@ -2,6 +2,8 @@
 
 namespace DnaStore
 {
+  void init();
+  void deinit();
   void load(DnaManagerData *data);
   void saveData(DnaManagerData *data);
   void saveVec(DnaManagerData *data);

app/src/App.cpp

@@ -2,118 +2,242 @@
 #include <cmath>
 
 #include "App.hpp"
-#include "timing.hpp"
 
 #include <raylib.h>
 #include <raymath.h>
 
-Font fontTtf;
+#define TOP (1 - pos)
+#define BOTTOM pos
 
-void DrawTextB(const char *text, float posX, float posY, int fontSize, Color color)
+Rectangle TextInSpace(Rectangle box, float textH, float textW, float margin, bool topOrBottom, bool leftOrRigth)
 {
-  DrawTextEx(fontTtf, text, (Vector2){ posX, posY }, fontSize, 1, color);
+  float br = box.width / box.height;
+  float tr = textW / textH;
+
+  Rectangle ret = {0, 0, 0, 0};
+
+  float hm = box.height * margin;
+  float wm = box.width * margin;
+
+  ret.height = box.height - hm;
+  ret.width = box.width - wm;
+
+  if (br < tr)
+  {
+    // bolj kvadrat izracunaj visino iz sirine
+    ret.height = ret.width / tr;
+  }
+  else
+  {
+    // bolj podolgovat izracunaj sirino iz visine
+    ret.width = ret.height * tr;
+  }
+
+  if (topOrBottom)
+  {
+    ret.y = box.y + hm;
+  }
+  else
+  {
+    ret.y = box.y + box.height - hm - ret.height;
+  }
+
+  if (leftOrRigth)
+  {
+    ret.x = box.x + wm;
+  }
+  else
+  {
+    ret.x = box.x + box.width - wm - ret.width;
+  }
+  return ret;
 }
 
+// Dimentions for font size 20
+// DISLIKE 83
+// LIKE 46
+// GEN 9999: 999/999 -> 200
+constexpr float textMargin = 0.02f;
+
 void App::init(int screenWidth, int screenHeight)
 {
-  fontTtf = LoadFontEx("res/CascadiaCode.ttf", 32, 0, 0);
-  SetTextLineSpacing(16);
   this->screenWidth = screenWidth;
   this->screenHeight = screenHeight;
   this->canvas.init(screenWidth);
+  DnaStore::init();
+  // int s = MeasureText("GEN 9999: 999/999", 20);
+  // TraceLog(LOG_INFO, "%d", s);
 
-
+  for (size_t i = 0; i < canvasTexure.size(); i++)
-  canvasTexure = LoadRenderTexture(screenWidth, screenWidth);
+  {
+    canvasTexure[i] = LoadRenderTexture(screenWidth, screenWidth);
+  }
 
   DnaStore::load(&manager);
+  simil = Similarity::calc_similarity(manager.vector);
   upTex(Liked::tbd);
-  while (!canvas.tick(canvasTexure))
+  while (!canvas.tick(canvasTexure[TOP]))
   {
     // wait to finish drawing
   }
+  pos = 1 - pos;
+  upTex(Liked::tbd);
+  while (!canvas.tick(canvasTexure[TOP]))
+  {
+    // wait to finish drawing
+  }
+  pos = 1 - pos;
 
   float posY = (screenHeight - screenWidth) / 2.0f;
 
-  destA = {0, posY, (float)screenWidth, (float)screenWidth};
+  likedTextBox = TextInSpace({0,
+                              0,
+                              (float)screenWidth / 2.0f,
+                              posY},
+                             20.0f, 83.0f, textMargin, false, true);
+
+  genTextBox = TextInSpace({0,
+                            posY + screenWidth,
+                            (float)screenWidth,
+                            posY},
+                           20.0f, 200.0f, textMargin, true, true);
+
+  simTextBox = TextInSpace({(float)screenWidth / 2.0f,
+                            likedTextBox.y,
+                            (float)screenWidth / 2.0f,
+                            likedTextBox.height},
+                           20.0f, 60.0f, textMargin, false, false);
+
+  destB = {0, posY, (float)screenWidth, (float)screenWidth};
+  destA = destB;
+
+  float recPosX = screenWidth * 0.3f;
+  disLikeBox = {0, posY, (float)recPosX, (float)screenWidth};
+  likeBox = {screenWidth - recPosX, posY, (float)recPosX, (float)screenWidth};
+
+  if(!DnaStore::ping()){
+    appColor = RED;
+  }
 }
 
 void App::upTex(Liked liked)
 {
   if (liked != Liked::tbd)
   {
-    unit.liked = liked;
+    unit[TOP].liked = liked;
-    bool ng = DnaManager::like(unit, &manager);
+    bool ng = DnaManager::like(unit[TOP], &manager);
 
     if (ng)
     {
       DnaStore::saveGen(&manager);
       DnaManager::newGen(&manager);
       DnaStore::saveVec(&manager);
+      simil = Similarity::calc_similarity(manager.vector);
     }
     DnaStore::saveData(&manager);
   }
-  unit = DnaManager::next(&manager);
+  unit[TOP] = DnaManager::next(&manager);
-  if (unit.dna != nullptr)
+  if (unit[TOP].dna != nullptr)
   {
-    canvas.newGen(canvasTexure, unit.dna);
+    canvas.newGen(canvasTexure[TOP], unit[TOP].dna);
     return;
   }
 
-  BeginTextureMode(canvasTexure);
+  BeginTextureMode(canvasTexure[TOP]);
   ClearBackground(BLACK);
   DrawText("NEXT GEN", 10, 10, screenWidth/10, WHITE);
   EndTextureMode();
 }
 
-void App::update(){}
+void App::update()
+{
+  bool isDone = canvas.tick(canvasTexure[BOTTOM]);
+  Vector2 mousePosition = GetMousePosition();
+  if (IsMouseButtonPressed(MOUSE_BUTTON_LEFT))
+  {
+    mouseStart = mousePosition;
+    validHit = CheckCollisionPointRec(mouseStart, destA);
+    len = Vector2Distance(mouseStart, {destB.x, destB.y});
+    ofset = std::atan2(destB.x - mouseStart.x, destB.y - mouseStart.y);
+  }
 
-enum class Rend_type{
+  if (IsMouseButtonDown(MOUSE_BUTTON_LEFT) && validHit)
-  every_frame,
+  {
-  in_one_frame,
+    float dist = mousePosition.x - mouseStart.x;
-  over_frames,
+    float l = dist / screenWidth;
-};
+    rotation = Lerp(45.0f, -45.0f, (l + 1) / 2);
 
-constexpr Rend_type rend_type = Rend_type::over_frames; 
+    float angle = ((rotation)*PI) / 180.0f;
+    angle += ofset;
+    Vector2 newCenter = {.x = len * std::sin(angle), .y = len * std::cos(angle)};
+
+    destA.x = newCenter.x + mousePosition.x;
+    destA.y = newCenter.y + mousePosition.y;
+
+    if (CheckCollisionPointRec(mousePosition, disLikeBox))
+    {
+      topLiked = Liked::no;
+    }
+    else if (CheckCollisionPointRec(mousePosition, likeBox))
+    {
+      topLiked = Liked::yes;
+    }
+    else
+    {
+      topLiked = Liked::tbd;
+    }
+  }
+
+  if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT) && validHit)
+  {
+    if (isDone)
+    {
+      if (topLiked != Liked::tbd)
+      {
+        upTex(topLiked);
+        pos = 1 - pos; // switch bottom and top
+      }
+    }
+    rotation = 0.0f;
+    destA = destB;
+    topLiked = Liked::tbd;
+  }
+}
 
 void App::draw()
 {
-  if (IsMouseButtonReleased(MOUSE_BUTTON_LEFT))
+  ClearBackground(appColor);
-  {
-    TraceLog(LOG_INFO, "CLICK");
-    upTex(Liked::yes);
-    if constexpr (rend_type == Rend_type::in_one_frame){
-      while (!canvas.tick(canvasTexure))
-      {
-        // wait to finish drawing
-      }
-    }
-  }
-  if constexpr (rend_type == Rend_type::over_frames){
-    canvas.tick(canvasTexure);
-  }
-  ClearBackground(BLUE);
-
-  int fps = GetFPS();
-  const char* fpstext = TextFormat("%04d FPS", fps);
-  DrawTextB(fpstext, 10, 10, 36, BLACK);
-  const char* ctext = TextFormat("%04ld Circles", canvas.tree.circles);
-  DrawTextB(ctext, 10, 50, 36, BLACK);
 
   Rectangle source = {0, 0, (float)screenWidth, (float)-screenWidth};
   Vector2 origin = {0.0f, 0.0f};
-  if constexpr (rend_type == Rend_type::every_frame){
+
-    canvas.newGen(canvasTexure, unit.dna);
+  DrawTexturePro(canvasTexure[BOTTOM].texture, source, destB, origin, 0.0f, WHITE);
-    while (!canvas.tick(canvasTexure))
+
-    {
+  DrawTexturePro(canvasTexure[TOP].texture, source, destA, origin, 360 - rotation, WHITE);
-      // wait to finish drawing
+
-    }
+  const char *textGen = TextFormat("GEN %d: %d / %d", manager.generation, unit[TOP].index + 1, NUM_PER_GEN);
+  DrawText(textGen, genTextBox.x, genTextBox.y, genTextBox.height, BLACK);
+  const char *textProc = TextFormat("%.1f%%", simil);
+  DrawText(textProc, simTextBox.x, simTextBox.y, simTextBox.height, BLACK);
+  switch (topLiked)
+  {
+  case Liked::yes:
+    DrawText("LIKED", likedTextBox.x, likedTextBox.y, likedTextBox.height, BLACK);
+    break;
+  case Liked::no:
+    DrawText("DISLIKE", likedTextBox.x, likedTextBox.y, likedTextBox.height, BLACK);
+    break;
+  default:
+    break;
   }
-  DrawTexturePro(canvasTexure.texture, source, destA, origin, 360, WHITE);
 }
 
 void App::deinit()
 {
-  UnloadRenderTexture(canvasTexure);
+  for (size_t i = 0; i < canvasTexure.size(); i++)
-  UnloadFont(fontTtf);
+  {
+    UnloadRenderTexture(canvasTexure[i]);
+  }
   canvas.deinit();
+  DnaStore::deinit();
 }

app/src/DnaStore.cpp

@@ -9,6 +9,7 @@
 #include "sys.hpp"
 #include "DnaStore.hpp"
 #include "TcpSocket.hpp"
+#include "values/DnaDB.hpp"
 
 #include <raylib.h>
 
@@ -17,19 +18,30 @@
 #define VECTOR_FILE_NAME "VECTOR.bin"
 #define GEN_FILE_PATTRN "gen/%04d.bin"
 #define HOST_NAME "localhost"
+#define DB_NAME "data.db"
+
+DnaDB dnaDB;
+
+void DnaStore::init(){
+  const char* filename = sys::transformFilePath(DB_NAME);
+  dnaDB.init(filename);
+}
+
+void DnaStore::deinit(){
+  dnaDB.deinit();
+}
 
 void DnaStore::load(DnaManagerData *data)
 {
   const char *dir = sys::transformFilePath("gen");
   std::filesystem::create_directory(dir);
-  if (sys::fileExists(ID_FILE_NAME))
+
-  {
+  std::vector<int64_t> ids = dnaDB.getUserIds();
-    sys::loadDataFromFile(ID_FILE_NAME, &data->id, sizeof(int64_t));
+  if(!ids.empty()){
-  }
+    data->id = ids[0];
-  else
+  }else{
-  {
     data->id = time(nullptr);
-    sys::saveDataToFile(ID_FILE_NAME, &data->id, sizeof(int64_t));
+    dnaDB.insertUser(data->id, 0);
   }
 
   if (sys::fileExists(DATA_FILE_NAME))

app/src/main.cpp

@@ -1,6 +1,5 @@
 #include <raylib.h>
 #include "App.hpp"
-#include "timing.hpp"
 
 #if defined(PLATFORM_WEB)
 #include <emscripten/emscripten.h>
@@ -8,14 +7,12 @@
 
 static App app;
 
-Timer t;
 void UpdateDrawFrame()
 {
-  t.reset_and_start();
+  app.update();
   BeginDrawing();
   app.draw();
   EndDrawing();
-  t.stop_and_print("to draw frame");
 }
 
 int main(void)
@@ -37,7 +34,7 @@ int main(void)
 #if defined(PLATFORM_WEB)
   emscripten_set_main_loop(UpdateDrawFrame, 0, 1);
 #else
-  // SetTargetFPS(60);
+  SetTargetFPS(60);
   while (!WindowShouldClose())
   {
     UpdateDrawFrame();

shared/inc/canvas/Canvas.hpp

@@ -13,6 +13,7 @@ public:
   void newGen(RenderTexture2D &target, Dna *dna);
   bool tick(RenderTexture2D &target);
 
+private:
   BackGround backGround;
   Tree tree;
 };

shared/inc/canvas/Tree.hpp

@@ -23,7 +23,6 @@ public:
   void init(int size);
   void draw(Dna *dna);
   bool tick();
-  uint64_t circles;
 
 private:
   Dna *m_dna;
@@ -35,8 +34,7 @@ private:
 
   void calculateBranch();
 
-  void drawBranch_rlTriangle(Vector2 startPoint, Vector2 endPoint, Color startColor, Color endColor, float startThickness, float endThickness, float length);
+  void drawBranch(Vector2 startPoint, Vector2 endPoint, Color startColor, Color endColor, float startThickness, float endThickness);
-  void drawBranch_circles(Vector2 startPoint, Vector2 endPoint, Color startColor, Color endColor, float startThickness, float endThickness, float length);
   inline size_t getNumOfBranches(int dep);
   inline Color getStartColor(DrawArgs &arg);
   inline Color getEndColor(int dep, Color &start);

shared/inc/sql.hpp

@@ -33,7 +33,7 @@ constexpr char DB_NAME[] = "data.db";
 struct sqlite3;
 struct sqlite3_stmt;
 
-#define SQLITE_ROW 100  /* sqlite3_step() has another row ready */
+#define SQLITE_ROW 100 /* sqlite3_step() has another row ready */
 #define SQL_DONE 101
 #define SQL_NULL 5
 #define SQLITE_OK 0
@@ -44,6 +44,7 @@ namespace sql
   void init();
   void shutdown();
   int open(const char *filename, sqlite3 **ppDb);
+  int exec(sqlite3 *db, const char *sql, int (*callback)(void *, int, char **, char **), void *first_arg, char **errmsg);
   int prepare_v2(sqlite3 *db, const char *zSql, int nByte, sqlite3_stmt **pStmt, const char **pzTail);
   int bind_int64(sqlite3_stmt *pStmt, int column, int64_t value);
   int step(sqlite3_stmt *pStmt);

shared/inc/timing.hpp

@@ -1,18 +0,0 @@
-
-#include <chrono>
-
-
-struct Timer
-{
-  std::chrono::steady_clock::time_point start_t;
-  std::chrono::steady_clock::time_point end_t;
-  std::chrono::nanoseconds dur;
-  void start();
-  void stop();
-  void reset();
-  void print(const char * str);
-  void stop_and_print(const char * str);
-  void reset_and_start();
-};
-
-

shared/inc/values/DnaDB.hpp

@@ -0,0 +1,20 @@
+#include <cinttypes>
+#include <vector>
+
+struct sqlite3;
+
+class DnaDB
+{
+  sqlite3 *db;
+
+public:
+  void init(const char *db_name = "data.db");
+  void deinit();
+  std::vector<int64_t> getUserIds();
+  int insertUser(int64_t id, int64_t max_gen);
+  int updateUser(int64_t id, int64_t max_gen);
+
+  void getGenerations();
+  void getLikesForGeneration();
+  void getVectorForGeneration();
+};

shared/inc/values/DnaManager.hpp

@@ -7,9 +7,9 @@
 
 enum Liked
 {
-  tbd,
+  tbd = 0,
-  yes,
+  yes = 1,
-  no
+  no = 2,
 };
 
 struct UiUnit

shared/src/canvas/Canvas.cpp

@@ -1,5 +1,4 @@
 #include "canvas/Canvas.hpp"
-#include "timing.hpp"
 
 void Canvas::init(int size)
 {
@@ -7,13 +6,8 @@ void Canvas::init(int size)
   tree.init(size);
 }
 
-bool finished = false;
-Timer timer;
 void Canvas::newGen(RenderTexture2D &target, Dna *dna)
 {
-
-  finished = false;
-  timer.reset_and_start();
   BeginTextureMode(target);
   ClearBackground(WHITE);
 
@@ -21,20 +15,13 @@ void Canvas::newGen(RenderTexture2D &target, Dna *dna)
   tree.draw(dna);
 
   EndTextureMode();
-  timer.stop();
 }
 
 bool Canvas::tick(RenderTexture2D &target)
 {
-  timer.start();
   BeginTextureMode(target);
   bool ret = tree.tick();
   EndTextureMode();
-  timer.stop();
-  if(ret && !finished){
-    finished = true;
-    timer.print("to draw canvas");
-  }
   return ret;
 }
 

shared/src/canvas/Tree.cpp

@@ -1,13 +1,12 @@
 #include <cmath>
 
 #include "canvas/Tree.hpp"
-#include "timing.hpp"
 
 #include <raylib.h>
 #include <raymath.h>
 #include <rlgl.h>
 
-#define ITER_PER_FRAME 10000
+#define ITER_PER_FRAME 5000
 
 constexpr int maxColorChange = 15;
 constexpr int minColorChange = -15;
@@ -47,23 +46,22 @@ void Tree::init(int size)
 
 void Tree::draw(Dna *dna)
 {
-  circles = 0;
   m_dna = dna;
   branchSeed = dna->branchSeed;
   drawCalls.push_back({start, 180.0f, 0});
+  tick();
 }
 
 bool Tree::tick()
 {
-  using namespace std::chrono;
+  size_t i = 0;
-  auto start = steady_clock::now();
+  while (!drawCalls.empty())
-  nanoseconds dur = 0us;
-  while (!drawCalls.empty() && dur < 14ms)
   {
     calculateBranch();
     drawCalls.pop_front();
-    auto end = steady_clock::now();
+    i++;
-    dur = end - start;
+    if (i >= ITER_PER_FRAME)
+      break;
   }
 
   return drawCalls.empty();
@@ -85,12 +83,19 @@ void Tree::calculateBranch()
 
   int sizeStart = getStartSize(arg);
   int sizeEnd = getEndSize(arg, sizeStart);
+  float fstep = 1.0 / ((length / sizeStart) * 2.0f);
 
   Color colorStart = getStartColor(arg);
   Color colorEnd = getEndColor(arg.dep, colorStart);
-  // drawBranch_rlTriangle(arg.start, end, colorStart, colorEnd, sizeStart, sizeEnd, length);
+  // drawBranch(arg.start, end, colorStart, colorEnd, sizeStart, sizeEnd);
-  drawBranch_circles(arg.start, end, colorStart, colorEnd, sizeStart, sizeEnd, length);
+  for (float i = 0; i < 1; i += fstep)
-  // DrawLineEx(arg.start, end, sizeStart, colorStart);
+  {
+    Vector2 point = Vector2Lerp(arg.start, end, i);
+    Color color = ColorLerp(colorStart, colorEnd, i);
+    int size = Lerp(sizeStart, sizeEnd, i);
+    DrawCircleV(point, size, color);
+    // DrawTextureEx(texBunny, point,0, ((float)size) / texBunny.height, color);
+  }
 
   // add more branches to draw
 
@@ -109,7 +114,6 @@ void Tree::calculateBranch()
 
 inline size_t Tree::getNumOfBranches(int dep)
 {
-  return 3;
   if (m_dna->branches[dep].branchCount < 128)
     return 2;
   else
@@ -159,7 +163,7 @@ inline int Tree::getStartSize(DrawArgs &arg)
   float mixLevel = m_dna->branches[arg.dep].sizeLevel / 255.0f;
   size = std::lerp(size, sizes[MAX_DEPTH - arg.dep - 1], mixLevel);
 
-  //if (size < 1)
+  if (size < 1)
     size = 1;
   return size;
 }
@@ -169,7 +173,7 @@ inline int Tree::getEndSize(DrawArgs &arg, int start)
   int size = Remap(m_dna->branches[arg.dep].sizeChange, 0, 255, MinSizeChange, maxSizeChange);
   size += start;
 
-  //if (size < 1)
+  if (size < 1)
     size = 1;
   return size;
 }
@@ -177,9 +181,9 @@ inline int Tree::getEndSize(DrawArgs &arg, int start)
 inline float Tree::getLength(DrawArgs &arg)
 {
   float lenght = lengths[arg.dep];
-  float lenghtRatio = Remap(255, 0, 255, 0.5f, 1.3f);
+  float lenghtRatio = Remap(m_dna->branches[arg.dep].length, 0, 255, 0.5f, 1.3f);
   lenght *= lenghtRatio;
-  float lenghtVar = Remap(255, 0, 255, -0.15f, 0.15f);
+  float lenghtVar = Remap(m_dna->branches[arg.dep].lengthVar, 0, 255, -0.15f, 0.15f);
   lenght += lenght * lenghtVar * mrand::getFloat(&branchSeed);
   if (lenght < 1)
     lenght = 1;
@@ -195,28 +199,15 @@ inline float Tree::getAngleVar(DrawArgs &arg)
   return angleVar;
 }
 
-void Tree::drawBranch_circles(Vector2 startPoint, Vector2 endPoint, Color startColor, Color endColor, float startThickness, float endThickness, float length)
+void Tree::drawBranch(Vector2 startPoint, Vector2 endPoint, Color startColor, Color endColor, float startThickness, float endThickness)
 {
-
-  float fstep = 1.0 / ((length / startThickness) * 2.0f);
-  for (float i = 0; i < 1; i += fstep)
-  {
-    Vector2 point = Vector2Lerp(startPoint, endPoint, i);
-    Color color = ColorLerp(startColor, endColor, i);
-    int size = Lerp(startThickness, endThickness, i);
-    DrawCircleV(point, size, color);
-    circles++;
-  }
-}
-
-void Tree::drawBranch_rlTriangle(Vector2 startPoint, Vector2 endPoint, Color startColor, Color endColor, float startThickness, float endThickness, float length)
-{
-  DrawCircleV(startPoint, startThickness, startColor);
-  DrawCircleV(endPoint, endThickness, endColor);
   // Calculate the direction vector from startPoint to endPoint
   Vector2 direction = {endPoint.x - startPoint.x, endPoint.y - startPoint.y};
 
   // Normalize the direction vector
+  float length = sqrtf(direction.x * direction.x + direction.y * direction.y);
+  if (length == 0)
+    length = 1; // Avoid division by zero
   Vector2 normalizedDir = {direction.x / length, direction.y / length};
 
   // Calculate the perpendicular vector (rotate 90 degrees)

shared/src/sql.cpp

@@ -78,6 +78,10 @@ namespace sql
   {
     return sqlite3_open(filename, ppDb);
   }
+  int exec(sqlite3 *db, const char *sql, int (*callback)(void *, int, char **, char **), void *first, char **errmsg)
+  {
+    return sqlite3_exec(db, sql, callback, first, errmsg);
+  }
   int prepare_v2(sqlite3 *db, const char *zSql, int nByte, sqlite3_stmt **pStmt, const char **pzTail)
   {
     return sqlite3_prepare_v2(db, zSql, nByte, pStmt, pzTail);

shared/src/timing.cpp

@@ -1,42 +0,0 @@
-#include <raylib.h>
-#include <chrono>
-#include "timing.hpp"
-
-using namespace std::chrono;
-
-void Timer::start()
-{
-  start_t = std::chrono::steady_clock::now();
-}
-
-void Timer::stop()
-{
-  end_t = std::chrono::steady_clock::now();
-  dur += end_t - start_t;
-}
-
-void Timer::reset()
-{
-  dur = 0ns;
-}
-
-void Timer::print(const char * str)
-{
-  auto s = std::chrono::duration_cast<std::chrono::milliseconds>(dur);
-  if (s > 1000us)
-  {
-    TraceLog(LOG_INFO, "%ld ms %s", s.count(), str);
-  }
-}
-
-void Timer::stop_and_print(const char *str)
-{
-  stop();
-  print(str);
-}
-
-void Timer::reset_and_start()
-{
-  reset();
-  start();
-}

shared/src/values/DnaDB.cpp

@@ -0,0 +1,69 @@
+#include "values/DnaDB.hpp"
+
+#include <sql.hpp>
+
+
+
+void DnaDB::init(const char * db_name)
+{
+  sql::init();
+  int res = sql::open(db_name, &db);
+
+  constexpr char create_user_table[] = "CREATE TABLE IF NOT EXISTS user_table ( ID INTEGER PRIMARY KEY, USER_ID INTEGER, MAX_GENERATION INTEGER);";
+  res = sql::exec(db, create_user_table, nullptr, nullptr, nullptr);
+}
+
+void DnaDB::deinit()
+{
+  sql::close(db);
+  sql::shutdown();
+}
+
+std::vector<int64_t> DnaDB::getUserIds()
+{
+  constexpr char sql[] = "SELECT USER_ID FROM user_table;";
+  sqlite3_stmt *stmt;
+  sql::prepare_v2(db, sql, -1, &stmt, nullptr);
+  std::vector<int64_t> ids;
+  while (sql::step(stmt) != SQL_DONE)
+  {
+    int64_t id = sql::column_int64(stmt, 0);
+    ids.push_back(id);
+  }
+  sql::finalize(stmt);
+  return ids;
+}
+
+int DnaDB::insertUser(int64_t id, int64_t max_gen){
+  constexpr char sql[] = "INSERT INTO user_table (USER_ID, MAX_GENERATION) VALUES (?,?);";
+  sqlite3_stmt *stmt;
+  sql::prepare_v2(db, sql, -1, &stmt, nullptr);
+  sql::bind_int64(stmt, 1, id);
+  sql::bind_int64(stmt, 2, max_gen);
+  int ret = sql::step(stmt);
+  sql::finalize(stmt);
+  return ret;
+}
+
+int DnaDB::updateUser(int64_t id, int64_t max_gen){
+  constexpr char sql[] = "UPDATE user_table SET MAX_GENERATION = ? WHERE USER_ID = ?;";
+  sqlite3_stmt *stmt;
+  sql::prepare_v2(db, sql, -1, &stmt, nullptr);
+  sql::bind_int64(stmt, 1, max_gen);
+  sql::bind_int64(stmt, 2, id);
+  int ret = sql::step(stmt);
+  sql::finalize(stmt);
+  return ret;
+}
+
+void DnaDB::getGenerations()
+{
+}
+
+void DnaDB::getLikesForGeneration()
+{
+}
+
+void DnaDB::getVectorForGeneration()
+{
+}