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ADDED: EXAMPLE: core_basic_screen_manager

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raysan5 2021-06-30 18:53:55 +02:00
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examples/core/core_basic_screen_manager.c Normal file
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/*******************************************************************************************
*
* raylib [core] examples - basic screen manager
*
* This example illustrates a very simple screen manager based on a states machines
*
* This test has been created using raylib 1.1 (www.raylib.com)
* raylib is licensed under an unmodified zlib/libpng license (View raylib.h for details)
*
* Copyright (c) 2021 Ramon Santamaria (@raysan5)
*
********************************************************************************************/
#include "raylib.h"
//------------------------------------------------------------------------------------------
// Types and Structures Definition
//------------------------------------------------------------------------------------------
typedef enum GameScreen { LOGO = 0, TITLE, GAMEPLAY, ENDING } GameScreen;
//------------------------------------------------------------------------------------------
// Main entry point
//------------------------------------------------------------------------------------------
int main(void)
{
// Initialization
//--------------------------------------------------------------------------------------
const int screenWidth = 800;
const int screenHeight = 450;
InitWindow(screenWidth, screenHeight, "raylib [core] example - basic screen manager");
GameScreen currentScreen = LOGO;
// TODO: Initialize all required variables and load all required data here!
int framesCounter = 0; // Useful to count frames
SetTargetFPS(60); // Set desired framerate (frames-per-second)
//--------------------------------------------------------------------------------------
// Main game loop
while (!WindowShouldClose()) // Detect window close button or ESC key
{
// Update
//----------------------------------------------------------------------------------
switch(currentScreen)
{
case LOGO:
{
// TODO: Update LOGO screen variables here!
framesCounter++; // Count frames
// Wait for 2 seconds (120 frames) before jumping to TITLE screen
if (framesCounter > 120)
{
currentScreen = TITLE;
}
} break;
case TITLE:
{
// TODO: Update TITLE screen variables here!
// Press enter to change to GAMEPLAY screen
if (IsKeyPressed(KEY_ENTER) || IsGestureDetected(GESTURE_TAP))
{
currentScreen = GAMEPLAY;
}
} break;
case GAMEPLAY:
{
// TODO: Update GAMEPLAY screen variables here!
// Press enter to change to ENDING screen
if (IsKeyPressed(KEY_ENTER) || IsGestureDetected(GESTURE_TAP))
{
currentScreen = ENDING;
}
} break;
case ENDING:
{
// TODO: Update ENDING screen variables here!
// Press enter to return to TITLE screen
if (IsKeyPressed(KEY_ENTER) || IsGestureDetected(GESTURE_TAP))
{
currentScreen = TITLE;
}
} break;
default: break;
}
//----------------------------------------------------------------------------------
// Draw
//----------------------------------------------------------------------------------
BeginDrawing();
ClearBackground(RAYWHITE);
switch(currentScreen)
{
case LOGO:
{
// TODO: Draw LOGO screen here!
DrawText("LOGO SCREEN", 20, 20, 40, LIGHTGRAY);
DrawText("WAIT for 2 SECONDS...", 290, 220, 20, GRAY);
} break;
case TITLE:
{
// TODO: Draw TITLE screen here!
DrawRectangle(0, 0, screenWidth, screenHeight, GREEN);
DrawText("TITLE SCREEN", 20, 20, 40, DARKGREEN);
DrawText("PRESS ENTER or TAP to JUMP to GAMEPLAY SCREEN", 120, 220, 20, DARKGREEN);
} break;
case GAMEPLAY:
{
// TODO: Draw GAMEPLAY screen here!
DrawRectangle(0, 0, screenWidth, screenHeight, PURPLE);
DrawText("GAMEPLAY SCREEN", 20, 20, 40, MAROON);
DrawText("PRESS ENTER or TAP to JUMP to ENDING SCREEN", 130, 220, 20, MAROON);
} break;
case ENDING:
{
// TODO: Draw ENDING screen here!
DrawRectangle(0, 0, screenWidth, screenHeight, BLUE);
DrawText("ENDING SCREEN", 20, 20, 40, DARKBLUE);
DrawText("PRESS ENTER or TAP to RETURN to TITLE SCREEN", 120, 220, 20, DARKBLUE);
} break;
default: break;
}
EndDrawing();
//----------------------------------------------------------------------------------
}
// De-Initialization
//--------------------------------------------------------------------------------------
// TODO: Unload all loaded data (textures, fonts, audio) here!
CloseWindow(); // Close window and OpenGL context
//--------------------------------------------------------------------------------------
return 0;
}