iMain.cpp

#include "iGraphics.h"
#include "menu.hpp"
#include "character.hpp"
#include "pause.hpp"
#include "ai.hpp"
#include "arcade.hpp" 

Character captainAmericaP1;
Character captainAmericaP2;

int loadingScreen;

// Loading screen variables
int loadingBarWidth = 0;
bool loadingDone = false;
bool goToMainMenu = false;
bool blinkTextWhite = true;
static bool assetsLoaded = false;

int previousScreen = -1; // To track screen transitions


// had to declare the function definition here otherwise it was not working 


void loadingScreenText();

void iDraw()
{
	iClear();

	if (!goToMainMenu)
	{
		// Show loading screen
		iShowImage(0, 10, SCREEN_WIDTH, SCREEN_HEIGHT, loadingScreen);

		startMainMenuMusic(); // Starting Main Menu Music

		// Loading bar frame and fill
		iSetColor(255, 60, 60);
		iRectangle(390, 35, 500, 25);
		iFilledRectangle(390, 35, loadingBarWidth, 25);
		loadingScreenText();
	}
	else
	{
		// Show the actual menu screen after loading
		showMenu();
		
		// On the gameplay screen, render Character
		if (currentScreen == 20){
			showArenaImages();
			if(selectedCharacterIndexP1 == 2) captainAmericaP1.draw();
			if(selectedCharacterIndexP2 == 2) captainAmericaP2.draw();


			// paused button
			iShowImage(pauseButton.x, pauseButton.y, pauseButton.width, pauseButton.height, pauseButtonImage);

			// If the game is paused, show the pause menu
			if (currentGameState == PAUSED) {
				showPauseMenu();
			}
		}

		else if (currentScreen == 30){


			showDynamicArenaBG();
			if (selectedCharacterIndexP1 == 2) captainAmericaP1.draw();
			
			drawArcadeAI();

			// paused button
			iShowImage(pauseButton.x, pauseButton.y, pauseButton.width, pauseButton.height, pauseButtonImage);

			// If the game is paused, show the pause menu
			if (currentGameState == PAUSED) {
				showPauseMenu();
			}
		}
	}
}

void iMouseMove(int mx, int my)
{

}

void iPassiveMouseMove(int mx, int my)
{
	if (goToMainMenu) {
		// If in game and paused, handle pause menu hover
		if ((currentScreen == 20 || currentScreen == 30) && currentGameState == PAUSED) {
			handlePauseHoverAnimation(mx, my);
		}
		else {
			// Handle main menu hover Animation
			handleHoverAnimation(mx, my);
		}
	}
}


void iMouse(int button, int state, int mx, int my)
{
	if (goToMainMenu) {
		if (currentScreen == 20) { // Clicks inside the 1v1 arena screen
			if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN) {
				if (currentGameState == PAUSED) {
					// If paused, check for clicks on the pause menu
					int clickedButtonIndex = handlePauseMenuClick(mx, my);
					if (clickedButtonIndex == 0) { // Resume
						currentGameState = PLAYING;
					}
					else if (clickedButtonIndex == 1) { // Restart
						resetCharacters(captainAmericaP1, captainAmericaP2);
						currentGameState = PLAYING;
					}
					else if (clickedButtonIndex == 2) { // Character Selection
						resetCharacters(captainAmericaP1, captainAmericaP2);
						currentScreen = 10; // Go back to character selection
						currentGameState = PLAYING; // Reset state for next time
					}
				}
				else {
					// If playing, check for clicks on the main pause button
					if (mx >= pauseButton.x && mx <= pauseButton.x + pauseButton.width &&
						my >= pauseButton.y && my <= pauseButton.y + pauseButton.height) {
						currentGameState = PAUSED;
					}
				}
			}
		}
		// Clicks inside the Arcade Mode arena screen
		else if (currentScreen == 30) {
			if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN) {
				if (currentGameState == PAUSED) {
					// If paused, check for clicks on the pause menu
					int clickedButtonIndex = handlePauseMenuClick(mx, my);
					if (clickedButtonIndex == 0) { // Resume
						currentGameState = PLAYING;
					}
					else if (clickedButtonIndex == 1) { // Restart
						resetArcadePlayer(captainAmericaP1, arcadeAI);
						currentGameState = PLAYING;
					}
					else if (clickedButtonIndex == 2) { // Character Selection
						resetArcadePlayer(captainAmericaP1, arcadeAI);
						currentScreen = 11; // Go back to arcade character selection
						currentGameState = PLAYING; // Reset state for next time
					}
				}
				else {
					// If playing, check for clicks on the main pause button
					if (mx >= pauseButton.x && mx <= pauseButton.x + pauseButton.width &&
						my >= pauseButton.y && my <= pauseButton.y + pauseButton.height) {
						currentGameState = PAUSED;
					}
				}
			}
		}
		else {
			// Handle menu clicks only after the loading screen
			handleMenuClick(button, state, mx, my);
		}
	}
}

// This function runs at a fixed interval
// Special Keys:
// GLUT_KEY_F1, GLUT_KEY_F2, GLUT_KEY_F3, GLUT_KEY_F4, GLUT_KEY_F5, GLUT_KEY_F6, GLUT_KEY_F7, GLUT_KEY_F8, GLUT_KEY_F9, GLUT_KEY_F10, GLUT_KEY_F11, GLUT_KEY_F12, 
// GLUT_KEY_LEFT, GLUT_KEY_UP, GLUT_KEY_RIGHT, GLUT_KEY_DOWN, GLUT_KEY_PAGE UP, GLUT_KEY_PAGE DOWN, GLUT_KEY_HOME, GLUT_KEY_END, GLUT_KEY_INSERT

void fixedUpdate() {
	if (!goToMainMenu || currentGameState == PAUSED) return;

	// Versus Mode (screen 20) - Both players
	if (currentScreen == 20) {
		// Player 1 controls (WASD + FEQ)
		handleInputMovement(captainAmericaP1, isKeyPressed('d'), isKeyPressed('a'));
		handleDefaultState(captainAmericaP1, isKeyPressed('d'), isKeyPressed('a'));
		handleJump(captainAmericaP1, isKeyPressed('w'));
		handleAttack(captainAmericaP1, isKeyPressed('f'));
		handleUltimate(captainAmericaP1, isKeyPressed('q'));


		// Player 2 controls (Arrow keys + )
		handleInputMovement(captainAmericaP2, isSpecialKeyPressed(GLUT_KEY_RIGHT), isSpecialKeyPressed(GLUT_KEY_LEFT));
		handleDefaultState(captainAmericaP2, isSpecialKeyPressed(GLUT_KEY_RIGHT), isSpecialKeyPressed(GLUT_KEY_LEFT));
		handleJump(captainAmericaP2, isSpecialKeyPressed(GLUT_KEY_UP));
		handleAttack(captainAmericaP2, isSpecialKeyPressed(GLUT_KEY_DOWN));
		handleUltimate(captainAmericaP2, isKeyPressed('0'));

	}


	// Arcade Mode (screen 30) - Only Player 1
	else if (currentScreen == 30) {
		handleInputMovement(captainAmericaP1, isKeyPressed('d'), isKeyPressed('a'));
		handleDefaultState(captainAmericaP1, isKeyPressed('d'), isKeyPressed('a'));
		handleJump(captainAmericaP1, isKeyPressed('w'));
		handleAttack(captainAmericaP1, isKeyPressed('f'));
		handleUltimate(captainAmericaP1, isKeyPressed('q'));



		updateBackgroundScroll(captainAmericaP1);

		// AI Controls
		handleJump(arcadeAI, false);
		handleAI(arcadeAI, captainAmericaP1);
	}
}

// Handles the loading bar animation on loading screen
void loadingBar(){
	if (!loadingDone){
		loadingBarWidth += 15;
		if (loadingBarWidth >= 500){
			loadingBarWidth = 500;
			loadingDone = true;
		}
	}

	else{
		if (isKeyPressed(' ')){
			goToMainMenu = true;
			// Load menu 
			if (mainMenuScreen == -1){
				loadMenuAssets();
				loadCharacterSelectionAssets();
				loadCharacterSelectionAssetsForArcade();
				loadArenaAssets();
				loadPauseAssets();
				loadDynamicArenaBG();
			}
		}
	}
}

void loadingScreenText(){
	// If loading done, show text prompt
	if (loadingDone){
		if (blinkTextWhite) {
			iSetColor(255, 255, 255); // white
		}
		else {
			iSetColor(0, 0, 0); // black
		}
		iText(530, 80, "Press SPACE to continue", GLUT_BITMAP_HELVETICA_18);
	}
	else{
		iSetColor(255, 255, 255);
		iText(390, 70, "Loading...", GLUT_BITMAP_HELVETICA_18);
	}
}

void toggleBlinkColor() {
	blinkTextWhite = !blinkTextWhite;
}

void updateCharacters() {
	// Only update character animations if the game is playing
	if (currentScreen == 20 && currentGameState == PLAYING){
		if(selectedCharacterIndexP1 == 2) captainAmericaP1.update();
		if(selectedCharacterIndexP2 == 2) captainAmericaP2.update();
		// ironMan.update();
	}

	else if (currentScreen == 30 && currentGameState == PLAYING){
		if (selectedCharacterIndexP1 == 2) captainAmericaP1.update();
		updateArcadeCharacters();
	}
}

int main()
{
	// Initialize graphics window
	iInitialize(SCREEN_WIDTH, SCREEN_HEIGHT, "Marvel Mayhem");

	//loading screen background image
	loadingScreen = iLoadImage("BG/loading3.png");

	loadArcadeCharacters();

	loadCaptainAmerica(captainAmericaP1);
	loadCaptainAmerica(captainAmericaP2);

	captainAmericaP1.moveX = 200;        // Player 1 starts on the left
	captainAmericaP1.facingRight = true; // Player 1 faces right

	captainAmericaP2.moveX = 980;         // Player 2 starts on the right  
	captainAmericaP2.facingRight = false; // Player 2 faces left

	iSetTimer(350, toggleBlinkColor); // 350 ms = 0.35 sec toggle

	iSetTimer(10, loadingBar);

	iSetTimer(25, fixedUpdate);

	iSetTimer(100, updateCharacters);

	iSetTimer(100, loadArenaAssets);

	iSetTimer(100, loadDynamicArenaBG);

	iStart(); // Start the graphics engine

	return 0;
}