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#include "includes.h"
GameState::GameState()
{
player_color = getColor(255, 255, 0);
newGame = true;
doneMaking = false;
info.level = Level();
}
void GameState::input(SDLKey key)
{
if (doneMaking)
{
switch (key)
{
case SDLK_LEFT:
move(info.playerx-1, info.playery);
break;
case SDLK_RIGHT:
move(info.playerx+1, info.playery);
break;
case SDLK_UP:
move(info.playerx, info.playery-1);
break;
case SDLK_DOWN:
move(info.playerx, info.playery+1);
break;
}
}
}
void GameState::tick()
{
if (newGame)
{
info.playerx = 1;
info.playery = 1;
board = Board(&info);
newGame = false;
doneMaking = true;
}
board.tick();
}
void GameState::move(int x, int y)
{
wrap(&x, &y);
if (board.isObstructed(x,y)) return;
info.playerx = x;
info.playery = y;
}
void GameState::render(SDL_Surface* screen)
{
board.render(screen);
SDL_Rect block;
block.x = info.playerx*16;
block.y = info.playery*16;
block.w = 16;
block.h = 16;
SDL_FillRect(screen, &block, player_color);
}
GameState::Level::Level()
{
level = 1;
alive[0] = getColor(0, 0, 0); // Black
alive[1] = getColor(255, 0, 0); // Red
alive[2] = getColor(0, 255, 0); // Green
alive[3] = getColor(85, 85, 85); // Dark Gray
alive[4] = getColor(255, 0, 255); // Magenta
dead[0] = getColor(255, 255, 255); // White
dead[1] = getColor(255, 192, 203); // Pink
dead[2] = getColor(0, 255, 255); // Cyan
dead[3] = getColor(170, 170, 170); // Light Gray
dead[4] = getColor(255, 128, 0); // Orange
}
int GameState::Level::getLevel()
{
return level;
}
int GameState::Level::getLevelGroup()
{
return (level/10)+1;
}
bool GameState::Level::checkSquare(int x, int y)
{
switch (getLevelGroup())
{
case 1:
return ((x>13)&&(x<16)&&(y>13)&&(y<16));
case 2:
return ((x>13)&&(x<17)&&(y>13)&&(y<17));
case 3:
case 4:
return ((x>12)&&(x<18)&&(y>12)&&(y<18));
case 5:
case 6:
return ((x>11)&&(x<19)&&(y>11)&&(y<19));
default:
return true;
}
}
Uint32 GameState::Level::getAliveColor()
{
return alive[(getLevelGroup()-1)%5];
}
Uint32 GameState::Level::getDeadColor()
{
return dead[(getLevelGroup()-1)%5];
}
GameState::Board::Board()
{
GameState::Board::Board(new GameState::Info());
}
GameState::Board::Board(GameState::Info* info)
{
this->info = info;
int x,y;
for (y=0;y<HEIGHT;y++)
{
for (x=0;x<WIDTH;x++)
{
if (info->level.checkSquare(x, y))
{
blocks[x][y] = rand() % 2;
} else {
blocks[x][y] = false;
}
}
}
}
bool GameState::Board::isObstructed(int x, int y)
{
return blocks[x][y];
}
void GameState::Board::render(SDL_Surface* screen)
{
SDL_Rect block;
block.w = 16;
block.h = 16;
int x,y;
for (y=0;y<HEIGHT;y++)
{
for (x=0;x<WIDTH;x++)
{
block.x = x*16;
block.y = y*16;
SDL_FillRect(screen, &block, (blocks[x][y] ? info->level.getAliveColor() : info->level.getDeadColor()));
}
}
}
void GameState::Board::tick()
{
bool temp[WIDTH][HEIGHT];
int x,y;
for (x=0;x<WIDTH;x++)
{
for (y=0;y<HEIGHT;y++)
{
temp[x][y] = blocks[x][y];
}
}
for (x=0;x<WIDTH;x++)
{
for (y=0;y<HEIGHT;y++)
{
int neighbors = 0;
if ((x>0)&&(y>0)) incrementIfNeighbor(x-1,y-1,temp,&neighbors);
if ((x>0)) incrementIfNeighbor(x-1,y,temp,&neighbors);
if ((x>0)&&(y<HEIGHT-1)) incrementIfNeighbor(x-1,y+1,temp,&neighbors);
if ((y>0)) incrementIfNeighbor(x,y-1,temp,&neighbors);
if ((y<HEIGHT-1)) incrementIfNeighbor(x,y+1,temp,&neighbors);
if ((x<WIDTH-1)&&(y>0)) incrementIfNeighbor(x+1,y-1,temp,&neighbors);
if ((x<WIDTH-1)) incrementIfNeighbor(x+1,y,temp,&neighbors);
if ((x<WIDTH-1)&&(y<HEIGHT-1)) incrementIfNeighbor(x+1,y+1,temp,&neighbors);
if (temp[x][y])
{
blocks[x][y] = ((neighbors >= 1) && (neighbors <= 4));
} else {
blocks[x][y] = (neighbors == 3);
}
}
}
}
void GameState::Board::incrementIfNeighbor(int x, int y, bool temp[WIDTH][HEIGHT], int* tick)
{
wrap(&x, &y);
if ((blocks[x][y])||((info->playerx==x)&&(info->playery==y)))
{
++*tick;
}
}
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