1 files changed, 127 insertions, 0 deletions
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..87369a9
--- /dev/null
+++ b/main.c
@@ -0,0 +1,127 @@
+#include "pong.h"
+#include "screen.h"
+#include <time.h>
+#include <math.h>
+
+static uint8_t delay = 10;
+static uint8_t rightScore = 0;
+static uint8_t leftScore = 0;
+
+void Delay ( const uint8_t seconds ) {
+    const clock_t start = clock();
+    while ( clock() < start + seconds * 1000 )
+        ;
+}
+
+void PrintScore ( void ) {
+    printf( "Left: %3d\tRight: %3d\n", leftScore, rightScore );
+}
+
+void Score ( uint8_t * const score, ball_t * const ball ) {
+    (*score)++;
+    PrintScore();
+    Reset( ball );
+    if ( delay > 2 ) {
+        delay += ( abs( rightScore - leftScore ) > 5 ) ? -1 : 0;
+    }
+}
+
+int main ( void ) {
+    paddle_t leftPaddle = { { 0, 0 }, { 0, 0 }, 16, 48 },
+                rightPaddle = { { SCREEN_WIDTH - 16, 0 }, { 0, 0 }, 16, 48 };
+    ball_t ball = { { SCREEN_WIDTH >> 1, SCREEN_HEIGHT >> 1 }, { 1, 1 }, 16, 16 };
+    bool quit = false;
+    SDL_Event e;
+
+    if ( !InitScreen() ) {
+        printf( "Failed to initalize!\n" );
+        return -1;
+    }
+
+    Draw( ball, ballSurface );
+    SDL_UpdateWindowSurface( gWindow );
+    Draw( leftPaddle, leftPaddleSurface);
+    SDL_UpdateWindowSurface( gWindow );
+    Draw( rightPaddle, rightPaddleSurface );
+    SDL_UpdateWindowSurface( gWindow );
+
+    while ( quit == false ) {
+        UpdatePosition( &ball.position, ball.velocity );
+        ClearScreen();
+        Draw( ball, ballSurface );
+        if ( CheckGroundCollision( ball ) || CheckCeilingCollision( ball ) ) {
+            ball.velocity.y *= -1;
+        } else if ( CheckLeftWallCollision( ball ) ) {
+            Score( &rightScore, &ball );
+        } else if ( CheckRightWallCollision( ball ) ) {
+            Score( &leftScore, &ball );
+        }else if ( CheckMoveableCollision( leftPaddle, ball ) || CheckMoveableCollision( ball, rightPaddle ) ) {
+            ball.velocity.x *= -1;
+        }
+        while ( SDL_PollEvent( &e ) != 0 ) {
+            if ( e.type == SDL_QUIT ) {
+                quit = true;
+            } else if ( e.type == SDL_KEYDOWN ) {
+                switch ( e.key.keysym.sym ) {
+                    case SDLK_UP:
+                        if ( CheckCeilingCollision( rightPaddle ) ) {
+                            rightPaddle.velocity.y = 0;
+                            rightPaddle.position.y = 0;
+                        } else {
+                            rightPaddle.velocity.y = -10;
+                            UpdatePosition( &rightPaddle.position, rightPaddle.velocity );
+                        }
+                    break;
+                    case SDLK_DOWN:
+                        if ( CheckGroundCollision( rightPaddle ) ) {
+                            rightPaddle.velocity.y = 0;
+                            rightPaddle.position.y = SCREEN_HEIGHT - rightPaddle.height;
+                        } else {
+                            rightPaddle.velocity.y = 10;
+                            UpdatePosition( &rightPaddle.position, rightPaddle.velocity );
+                        }
+                    break;
+                    case SDLK_w:
+                        if ( CheckCeilingCollision( leftPaddle ) ) {
+                            leftPaddle.velocity.y = 0;
+                            leftPaddle.position.y = 0;
+                        } else {
+                            leftPaddle.velocity.y = -10;
+                            UpdatePosition( &leftPaddle.position, leftPaddle.velocity );
+                        }
+                    break;
+                    case SDLK_s:
+                        if ( CheckGroundCollision( leftPaddle ) ) {
+                            leftPaddle.velocity.y = 0;
+                            leftPaddle.position.y = SCREEN_HEIGHT - leftPaddle.height;
+                        } else {
+                            leftPaddle.velocity.y = 10;
+                            UpdatePosition( &leftPaddle.position, leftPaddle.velocity );
+                        }
+                    break;
+                    default:
+                        break;
+                }
+            } else if ( e.type == SDL_KEYUP ) {
+                switch ( e.key.keysym.sym ) {
+                    case SDLK_UP:
+                    case SDLK_DOWN:
+                        rightPaddle.velocity.y = 0;
+                    break;
+                    case SDLK_w:
+                    case SDLK_s:
+                        leftPaddle.velocity.y = 0;
+                    break;
+                    default:
+                        break;
+                }
+            }
+        }
+        Draw ( rightPaddle, rightPaddleSurface );
+        Draw ( leftPaddle, leftPaddleSurface );
+        SDL_UpdateWindowSurface( gWindow );
+        Delay( delay );
+    }
+    Close();
+    return 0;
+}