client_GUI.c

#include "raylib.h"
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include <string.h>


typedef struct {
  int socket;
  unsigned char ID;
  unsigned char ready;
  // unsigned char connected; // 0 - this client is not connected, 1 - this client is connected
  unsigned char has_introduced; // meaning the 0th packet is received (at first 0, when receives set it to 1)
  char username[256];
  char color[7];
  unsigned int x;
  unsigned int y;
  unsigned int size;
  unsigned int score;
  unsigned int lives;
  unsigned int FOR_TESTING_ONLY;
} client_struct;

double getRadius(client_struct* player){
    return sqrt(player->size / M_PI);
}

void updateKeysPressed(unsigned char* keysPressed){
    keysPressed[0] = keysPressed[1] = keysPressed[2] = keysPressed[3] = '0';
    if(IsKeyDown(KEY_UP) || IsKeyDown(KEY_W)){
        keysPressed[0] = '1';
    }
    if(IsKeyDown(KEY_LEFT) || IsKeyDown(KEY_A)){
        keysPressed[1] = '1';
    }
    if(IsKeyDown(KEY_DOWN) || IsKeyDown(KEY_S)){
        keysPressed[2] = '1';
    }
    if(IsKeyDown(KEY_RIGHT) || IsKeyDown(KEY_D)){
        keysPressed[3] = '1';
    }
}

int main(){
    // Initialization
    const int screenWidth = 960;
    const int screenHeight = 500;
    const int mapWidth = 3000;
    const int mapHeight = 3000;


    int MY_ID;
    client_struct* allPlayers[20];
    client_struct myPlayer;
    strcpy(myPlayer.color, "000000");
    strcpy(myPlayer.username, "JOHN");
    myPlayer.size = 500;
    myPlayer.x = 550;
    myPlayer.y = 100;

    // Getting colors to rgb
    int red, green, blue;
    sscanf(myPlayer.color, "%02x%02x%02x", &red, &green, &blue);
    Color playersColor = {red, green, blue, 255};

    InitWindow(screenWidth, screenHeight, "My game");
    // Camera set up
    Vector2 ballPosition = {(float)screenWidth/2, (float)screenHeight/2};
    Camera2D camera = {0};
    camera.target = ballPosition;
    camera.offset = (Vector2){screenWidth/2, screenHeight/2};
    camera.rotation = 0.0f;
    camera.zoom = 5.0f; // Zoom should depend on size of player

    SetTargetFPS(60);

    unsigned char keysPressed[4];
    // Main game loop
    while (!WindowShouldClose()){
        // Set camera target back to normal
        camera.target = (Vector2){myPlayer.x, myPlayer.y};
        // Returns updated keys pressed
        updateKeysPressed(keysPressed);
        // Send new packet


        // Update player data and receive packets 


        // Draw
        BeginDrawing();
        ClearBackground(RAYWHITE);

        BeginMode2D(camera);
        // Draws map
        DrawRectangle(-(mapWidth / 2), mapHeight / 2, mapWidth, mapHeight, DARKGRAY);
        // Draws players
        //                 20 here supposed to be current online player amount
        for(int i = 0; i < 20; i++){
            Vector2 playerPosition = {allPlayers[i]->x, allPlayers[i]->y};
            DrawCircleV(playerPosition, getRadius(allPlayers[i]), playersColor);
        }
        // Draw food 

        EndMode2D();
        
        DrawText(myPlayer.username, screenWidth / 2 - 2 * getRadius(&myPlayer), screenHeight / 2, 20, MAGENTA);
        EndDrawing();
    }
    CloseWindow();
    return 0;
}