knightMiniGame.c

#include "chess.h"

// UI state
int KGUISelectedTile = -1;
//game state
bool KGGameOver = false;
bool KGGameWon = false;
char KGg_FigurePlacement[64];

int KGglobalTransitionalLegalMoveTab[144];
int KGglobalFinalLegalMoveTab[64];

void KGresetGameState(){
    KGGameOver = false;
    KGGameWon = false;
}

void KGresetUIState(){
    KGUISelectedTile = -1;
}

void KGLoadingSequence(){
    startingKnightLayout();
    KGresetGameState();
    KGresetUIState();
    resetBoardColors(knightGameChessBoardGrid);
    drawBoard(knightGameChessBoardGrid, KGg_FigurePlacement);
    gtk_widget_hide(KGplayAgainButton);
    gtk_widget_set_name(KGgameOverLabel,"");
    gtk_label_set_label(GTK_LABEL(KGgameOverLabel),"");
}

void KGplayAgain(){
    KGLoadingSequence();
}

void KGGameEnd(){
    gtk_widget_set_name(KGgameOverLabel, "KGgameOverLabel");
    if(KGGameWon) gtk_label_set_label(GTK_LABEL(KGgameOverLabel), "Congratulations!\nYou won!");
    else gtk_label_set_label(GTK_LABEL(KGgameOverLabel), "Try again");
    gtk_widget_show(KGplayAgainButton);
}

void startingKnightLayout(){
    for (int i = 0; i < 64; i++){
        KGg_FigurePlacement[i] = 'E'; // E - Empty
    }
    KGg_FigurePlacement[0] = 'S';
}

void KGResetLegalMoveTables(int transitionalLegalMoveTab[], int finalLegalMoveTab[]){
    for (int i = 0; i < 144; i++){
        transitionalLegalMoveTab[i] = 0;
    }
    for (int i = 0; i < 64; i++){
        finalLegalMoveTab[i] = 0;
    }
}

void KGknight(int selectedTileIndex, int transitionalLegalMoveTab[]){
    int indextransitionalLegalMoveTable = selectedTileIndex + 26 + (selectedTileIndex/8) * 4;
    transitionalLegalMoveTab[indextransitionalLegalMoveTable - 14] = 1;
    transitionalLegalMoveTab[indextransitionalLegalMoveTable - 25] = 1;
    transitionalLegalMoveTab[indextransitionalLegalMoveTable - 23] = 1;
    transitionalLegalMoveTab[indextransitionalLegalMoveTable - 10] = 1;
    transitionalLegalMoveTab[indextransitionalLegalMoveTable + 14] = 1;
    transitionalLegalMoveTab[indextransitionalLegalMoveTable + 23] = 1;
    transitionalLegalMoveTab[indextransitionalLegalMoveTable + 25] = 1;
    transitionalLegalMoveTab[indextransitionalLegalMoveTable + 10] = 1;
}

void KGSetLegalMoves (int selectedTileIndex, int finalLegalMoveTab[], int transitionalLegalMoveTab[], char figurePlacement[]){
   if (figurePlacement[selectedTileIndex] == 's' || figurePlacement[selectedTileIndex] == 'S') KGknight(selectedTileIndex, KGglobalTransitionalLegalMoveTab);
    int j = 0;
    for (int i = 26; i < 118; i++){
        if (finalLegalMoveTab[j] == 0){
            if(figurePlacement[j] == 'E'){
                if (transitionalLegalMoveTab[i] == 1) finalLegalMoveTab[j] = 1;
            }
        }
        j++;
        if (j%8 == 0) i += 4;
    }
}

void KGMoveFigureLogic(int selectedTileIndex, int actionTileIndex, int legalMoveTable[], char figurePlacement[]){
    moveFigureToTile(selectedTileIndex, actionTileIndex, legalMoveTable, figurePlacement);
    figurePlacement[selectedTileIndex] = 'X'; // mark tile as visited
}

void KGIsGameOver(){
    bool isOver = true;
    bool won = true;
    for (int i = 0; i < 64; i++){
        if (KGg_FigurePlacement[i] == 'S'){
            KGResetLegalMoveTables(KGglobalTransitionalLegalMoveTab, KGglobalFinalLegalMoveTab);
            KGSetLegalMoves(i, KGglobalFinalLegalMoveTab, KGglobalTransitionalLegalMoveTab, KGg_FigurePlacement);
            for (int j = 0; j < 64; j++){
                if (KGglobalFinalLegalMoveTab[j] == 1) isOver = false;
            }
        }
    }
    KGResetLegalMoveTables(KGglobalTransitionalLegalMoveTab, KGglobalFinalLegalMoveTab);
    for (int i = 0; i < 64; i++){
        if (KGg_FigurePlacement[i] == 'E') won = false;
    }
    if(isOver){
        if (won){
            KGGameOver = true;
            KGGameWon = true;
        }
        else KGGameOver = true;
    }
}

//void displayEngGameMessage(bool didWin){
//    GtkWidget* dialog;
//    if(didWin){
//        printf("Congratulations, You've won!");
//        dialog = gtk_message_dialog_new(GTK_WINDOW(knightGameWindow),GTK_DIALOG_DESTROY_WITH_PARENT,GTK_MESSAGE_QUESTION,GTK_BUTTONS_YES_NO,"%s", "Congratulations! You've Won!");
//
//    }
//    else{
//        printf("Game Over");
//            dialog = gtk_message_dialog_new(GTK_WINDOW(knightGameWindow),GTK_DIALOG_DESTROY_WITH_PARENT,GTK_MESSAGE_INFO,GTK_BUTTONS_NONE,"%s", "Maybe next time.");
//    }
//    gtk_widget_set_size_request(dialog,300,50);
//    gtk_dialog_run(GTK_DIALOG(dialog));
////    gtk_widget_destroy(dialog);
//}