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#include <raylib.h>
#define SevenHundredAndNine (709)
#define BoardLimit (4)
#define StartState (7)
static int BoardState [BoardLimit] [BoardLimit] = { 0 };
static bool IsPrimeNumber (int Number) {
if (Number <= 1) return (false);
if (Number <= 3) return (true);
if (Number % 2 == 0) return (false);
for (int Iterator = 3; Iterator < Number / 2; ++Iterator) {
if (Number % Iterator == 0) {
return (false);
}
}
return (true);
}
static bool IsGameOver (void) {
for (int Vertical = 0; Vertical < BoardLimit; ++Vertical) {
for (int Horizontal = 0; Horizontal < BoardLimit; ++Horizontal) {
if (BoardState [Vertical] [Horizontal] == 0) {
return (false);
}
}
}
return (true);
}
static void SetRandomField (void) {
int Spawner [] = { 2, 3, 5, 7 };
int X = 0, Y = 0;
Repeat:
X = GetRandomValue (0, BoardLimit - 1);
Y = GetRandomValue (0, BoardLimit - 1);
if (BoardState [Y] [X] == 0) {
BoardState [Y] [X] = Spawner [GetRandomValue (0, (int) (sizeof (Spawner) / sizeof (* Spawner)) - 1)];
} else {
goto Repeat;
}
}
static void SetRandomBoard (void) {
for (int Index = 0; Index < StartState; ++Index) {
SetRandomField ();
}
}
static void DrawState (void) {
int Margin = 7;
int Width = (GetScreenWidth () - BoardLimit * Margin) / BoardLimit - Margin;
int Height = (GetScreenHeight () - BoardLimit * Margin) / BoardLimit - Margin;
int FontSize = Height - 2 * Margin;
ClearBackground ((Color) { 23, 23, 23, 255 });
for (int Vertical = 0; Vertical < BoardLimit; ++Vertical) {
for (int Horizontal = 0; Horizontal < BoardLimit; ++Horizontal) {
int Number = BoardState [Vertical] [Horizontal];
int X = Margin + Horizontal * (Margin + Width);
int Y = Margin + Vertical * (Margin + Height);
Rectangle Data = { X, Y, Width, Height };
Color Tint = { 63, 63, 63, 255 };
//~Color Tint = {
//~(unsigned char) (0.9 * (float) ((Number * 255) / SevenHundredAndNine)),
//~(unsigned char) (0.6 * (float) ((Number * 255) / SevenHundredAndNine)),
//~(unsigned char) (0.3 * (float) ((Number * 255) / SevenHundredAndNine)),
//~255
//~};
DrawRectangleRounded (Data, 0.3, 3, Tint);
DrawText (TextFormat ("%i", Number), X + Margin, Y + Margin, FontSize, (Color) { 255, 255, 255, 255 });
}
}
}
static void DrawScore (void) {
int TotalScore = 0;
for (int Horizontal = 0; Horizontal < BoardLimit; ++Horizontal) {
for (int Vertical = 0; Vertical < BoardLimit; ++Vertical) {
TotalScore += BoardState [Vertical] [Horizontal];
}
}
DrawText (TextFormat ("%i", TotalScore), 0, 0, GetScreenHeight () / 3, (Color) { 255, 0, 0, 255 });
}
static int SumVertically (int Horizontal, int From, int To) {
int Sum = 0;
for (int Index = From; Index < To; ++Index) {
Sum += BoardState [Index] [Horizontal];
}
return (Sum);
}
static int SumHorizontally (int Vertical, int From, int To) {
int Sum = 0;
for (int Index = From; Index < To; ++Index) {
Sum += BoardState [Vertical] [Index];
}
return (Sum);
}
static void SumToTop (void) {
for (int Horizontal = 0; Horizontal < BoardLimit; ++Horizontal) {
for (int Vertical = 0; Vertical < BoardLimit; ++Vertical) {
for (int Index = BoardLimit; Index >= Vertical; --Index) {
int Sum = SumVertically (Horizontal, Vertical, Index);
if ((IsPrimeNumber (Sum)) && (Sum <= SevenHundredAndNine)) {
BoardState [Vertical] [Horizontal] = Sum;
for (int Replace = Vertical + 1; Replace < Index; ++Replace) {
BoardState [Replace] [Horizontal] = 0;
}
break;
}
}
}
}
}
static void SumToBottom (void) {
for (int Horizontal = BoardLimit - 1; Horizontal >= 0; --Horizontal) {
for (int Vertical = BoardLimit - 1; Vertical >= 0; --Vertical) {
for (int Index = 0; Index <= Vertical; ++Index) {
int Sum = SumVertically (Horizontal, Index, Vertical + 1);
if ((IsPrimeNumber (Sum)) && (Sum <= SevenHundredAndNine)) {
BoardState [Vertical] [Horizontal] = Sum;
for (int Replace = Vertical - 1; Replace >= Index; --Replace) {
BoardState [Replace] [Horizontal] = 0;
}
break;
}
}
}
}
}
static void SumToLeft (void) {
for (int Vertical = 0; Vertical < BoardLimit; ++Vertical) {
for (int Horizontal = 0; Horizontal < BoardLimit; ++Horizontal) {
for (int Index = BoardLimit; Index >= Horizontal; --Index) {
int Sum = SumHorizontally (Vertical, Horizontal, Index);
if ((IsPrimeNumber (Sum)) && (Sum <= SevenHundredAndNine)) {
BoardState [Vertical] [Horizontal] = Sum;
for (int Replace = Horizontal + 1; Replace < Index; ++Replace) {
BoardState [Vertical] [Replace] = 0;
}
break;
}
}
}
}
}
static void SumToRight (void) {
for (int Vertical = BoardLimit - 1; Vertical >= 0; --Vertical) {
for (int Horizontal = BoardLimit - 1; Horizontal >= 0; --Horizontal) {
for (int Index = 0; Index <= Horizontal; ++Index) {
int Sum = SumHorizontally (Vertical, Index, Horizontal + 1);
if ((IsPrimeNumber (Sum)) && (Sum <= SevenHundredAndNine)) {
BoardState [Vertical] [Horizontal] = Sum;
for (int Replace = Horizontal - 1; Replace >= Index; --Replace) {
BoardState [Vertical] [Replace] = 0;
}
break;
}
}
}
}
}
int main (void) {
SetTraceLogLevel (LOG_NONE);
InitWindow (960, 480, "x709 --- Raylib");
SetRandomSeed ((unsigned int) GetTime ());
SetRandomBoard ();
SetTargetFPS (60);
SetExitKey (KEY_Q);
while (! WindowShouldClose ()) {
BeginDrawing ();
DrawState ();
if (IsGameOver ()) {
DrawScore ();
EndDrawing ();
continue;
}
if (IsKeyPressed (KEY_W) || IsKeyPressed (KEY_UP)) {
SumToTop ();
SetRandomField ();
} else if (IsKeyPressed (KEY_S) || IsKeyPressed (KEY_DOWN)) {
SumToBottom ();
SetRandomField ();
} else if (IsKeyPressed (KEY_A) || IsKeyPressed (KEY_LEFT)) {
SumToLeft ();
SetRandomField ();
} else if (IsKeyPressed (KEY_D) || IsKeyPressed (KEY_RIGHT)) {
SumToRight ();
SetRandomField ();
}
EndDrawing ();
}
CloseWindow ();
return (0);
}
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