chess-engine/Application.cpp at main · AbsalomGuardian/chess-engine · GitHub

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#include "Application.h"
#include "imgui/imgui.h"
#include "classes/TicTacToe.h"
#include "classes/Checkers.h"
#include "classes/Othello.h"
#include "classes/Connect4.h"
#include "classes/Chess.h"
#include "classes/Logger.h"
namespace ClassGame {
        //
        // our global variables
        //
        Game *game = nullptr;
        bool gameOver = false;
        int gameWinner = -1;

        //
        // game starting point
        // this is called by the main render loop in main.cpp
        //
        Logger* L = Logger::getInstance();
        void GameStartUp()
        {
            game = nullptr;
        }

        //
        // game render loop
        // this is called by the main render loop in main.cpp
        //
        void RenderGame()
        {

                ImGui::DockSpaceOverViewport();
                L->ShowLogWindow();
                //ImGui::ShowDemoWindow();

                ImGui::Begin("Settings");

                if (gameOver) {
                    ImGui::Text("Game Over!");
                    ImGui::Text("Winner: %d", gameWinner);
                    if (ImGui::Button("Reset Game")) {
                        game->stopGame();
                        game->setUpBoard();
                        gameOver = false;
                        gameWinner = -1;
                    }
                }
                if (!game) {
                    if (ImGui::Button("Start Tic-Tac-Toe")) {
                        game = new TicTacToe();
                        game->setUpBoard();
                    }
                    if (ImGui::Button("Start Checkers")) {
                        game = new Checkers();
                        game->setUpBoard();
                    }
                    if (ImGui::Button("Start Othello")) {
                        game = new Othello();
                        game->setUpBoard();
                    }
                    if (ImGui::Button("Start Connect 4")) {
                        game = new Connect4();
                        game->setUpBoard();
                    }
                    if (ImGui::Button("Start Chess")) {
                        game = new Chess();
                        game->setUpBoard();
                    }
                } else {
                    ImGui::Text("Current Player Number: %d", game->getCurrentPlayer()->playerNumber());
                    std::string stateString = game->stateString();
                    int stride = game->_gameOptions.rowX;
                    int height = game->_gameOptions.rowY;

                    for(int y=0; y<height; y++) {
                        ImGui::Text("%s", stateString.substr(y*stride,stride).c_str());
                    }
                    ImGui::Text("Current Board State: %s", game->stateString().c_str());
                }
                ImGui::End();

                ImGui::Begin("GameWindow");
                if (game) {
                    if (game->gameHasAI() && (game->getCurrentPlayer()->isAIPlayer() || game->_gameOptions.AIvsAI))
                    {
                        game->updateAI();
                    }
                    game->drawFrame();
                }
                ImGui::End();
        }

        //
        // end turn is called by the game code at the end of each turn
        // this is where we check for a winner
        //
        void EndOfTurn()
        {
            //L->LogGameEvent("looking for winner...");
            Player *winner = game->checkForWinner();
            if (winner)
            {
                //L->LogInfo("there is a winner");
                gameOver = true;
                gameWinner = winner->playerNumber();
                if(gameWinner == 0) {
                    L->LogGameEvent("White has won.");
                } else {
                    L->LogGameEvent("Black has won.");
                }
            } else {
                //L->LogInfo("no winner returned");
            }
            if (game->checkForDraw()) {
                //L->LogInfo("there is no winner");
                gameOver = true;
                gameWinner = -1;
            }
        }
}