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#include "game.h"
GameState::GameState(Renderer* renderer, float scale_):
closed_ {false},
paused_ {false},
timeAdvance_ {1000},
timeCounterAdvance_ {1000},
timeLevelUp_ {20000},
renderer_ {renderer},
piece_ {4},
blockTexture_ {renderer_->renderer()} {
renderer->setScale(scale_, scale_);
blockTexture_.loadFromFile("assets/block.png");
for(int i=0; i < GRID_WIDTH; i++){
for(int j=0; j < GRID_HEIGHT; j++){
grid[j][i] = 0;
}
}
xdirection_ = Direction::NONE;
yspeed_ = 1;
}
void GameState::close(){
closed_ = true;
}
void GameState::pause(){
paused_ = true;
}
void GameState::resume(){
paused_ = false;
}
bool GameState::isPaused(){
return paused_;
}
bool GameState::isClosed(){
return closed_;
}
void GameState::update( unsigned int dt ){
timeCounterAdvance_ -= dt * yspeed_;
if ( timeCounterAdvance_ <= 0 ){
timeCounterAdvance_ = timeAdvance_;
Piece tmp = piece_;
tmp.advance();
Point* p;
// Check if there's space to move forward
tmp.initIterator();
while ( p = tmp.nextAbsBlockPos() ){
if(!cellIsEmpty(p)){
newPiece();
return;
}
}
piece_.advance();
}
// If timer finished, level up
timeCounterLevelUp_ -= dt;
if ( timeCounterLevelUp_ <= 0 ){
// Make pieces go faster
timeAdvance_ *= 0.95;
timeCounterLevelUp_ = timeLevelUp_;
}
}
void GameState::render(){
// TODO
renderer_->clear();
SDL_Rect rect;
rect.x = 0;
rect.y = 0;
rect.w = SQUARE_SIZE;
rect.h = SQUARE_SIZE;
// Render piece
Point* b;
piece_.initIterator();
while( b = piece_.nextAbsBlockPos() ){
blockTexture_.render( b->x * SQUARE_SIZE, b->y * SQUARE_SIZE, &rect );
}
// Render grid
for(int i=0; i < GRID_WIDTH; i++){
for(int j=0; j < GRID_HEIGHT; j++){
if( grid[j][i] != 0){
blockTexture_.render( i * SQUARE_SIZE, j * SQUARE_SIZE , &rect);
}
}
}
renderer_->update();
}
void GameState::finishGame(){
// TODO: finish properly
// FINISH HIM!!
for(int i=0; i < GRID_WIDTH; i++){
for(int j=0; j < GRID_HEIGHT; j++){
grid[j][i] = 1;
}
}
pause();
}
void GameState::clearLines(){
for(int j=0; j < GRID_HEIGHT; j++){
bool lineFull = true;
for(int i=0; i < GRID_WIDTH; i++){
if( grid[j][i] != 1 ){
lineFull = false;
break;
}
}
if ( !lineFull ){
continue;
}
// TODO: Animate and add sound
// Move all down
for(int k=j; k >= 0; k--){
for(int i=0; i < GRID_WIDTH; i++){
grid[k][i] = k==0 ? 0 : grid[k-1][i];
}
}
}
}
void GameState::newPiece(){
Point* p;
piece_.initIterator();
while ( p = piece_.nextAbsBlockPos() ){
// Set the piece values as set
grid[p->y][p->x] = 1;
}
// Clear the filled lines
clearLines();
piece_ = Piece( 4 );
piece_.initIterator();
while ( p = piece_.nextAbsBlockPos() ){
// Set the piece values as set
if( !cellIsEmpty(p) ){
finishGame();
}
}
}
bool GameState::cellIsEmpty(Point* p){
return( p->x < GRID_WIDTH &&
p->x >= 0 &&
p->y < GRID_HEIGHT &&
grid[p->y][p->x] == 0 );
}
void GameState::pressDown(){
yspeed_ = 8;
}
void GameState::releaseDown(){
yspeed_ = 1;
}
void GameState::pressLeft(){
Piece tmp = piece_;
tmp.move_left();
Point* p;
// Check if there's space to move to
tmp.initIterator();
while ( p = tmp.nextAbsBlockPos() ){
if(!cellIsEmpty(p)){
// TODO: indicate that it's not possible to move
// sound and visual
return;
}
}
piece_.move_left();
}
void GameState::pressRight(){
Piece tmp = piece_;
tmp.move_right();
Point* p;
// Check if there's space to move to
tmp.initIterator();
while ( p = tmp.nextAbsBlockPos() ){
if(!cellIsEmpty(p)){
// TODO: indicate that it's not possible to move
// sound and visual
return;
}
}
piece_.move_right();
}
void GameState::pressRotate(){
Piece tmp = piece_;
tmp.rotate();
Point* p;
// Check if there's space to move to
tmp.initIterator();
while ( p = tmp.nextAbsBlockPos() ){
if(!cellIsEmpty(p)){
// TODO: indicate that it's not possible to move
// sound and visual
return;
}
}
piece_.rotate();
}
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