TETRIS: Show shadow of where the piece will fall

This commit is contained in:
zvon 2020-09-10 16:50:36 +02:00
parent 393b975dbe
commit 625e7866a4
2 changed files with 303 additions and 56 deletions

View File

@ -1,3 +1,4 @@
// TODO mutex guard instead of lock/unlock
#ifndef SDLPP_HPP
#define SDLPP_HPP
@ -293,7 +294,7 @@ class Scene;
class RenderObject {
public:
RenderObject( std::shared_ptr< Renderer > &r ) : renderer( r ) {}
RenderObject( const std::shared_ptr< Renderer > &r ) : renderer( r ) {}
virtual ~RenderObject() {}
virtual void render() = 0;
virtual int leftmost() = 0;
@ -307,8 +308,9 @@ public:
virtual void specialAction( int code ) = 0;
virtual std::pair< std::pair< double, double >,
std::pair< double, double > >
getDoubleRect() = 0;
getDoubleRect() const = 0;
virtual void setPos( double x, double y ) = 0;
virtual void setPos(const std::pair<double, double> &pos) = 0;
virtual std::pair< double, double > getPos() const = 0;
bool colidesWith( const RenderObject &other ) const {
if ( !hasCollisions() || !other.hasCollisions() || getHidden() ||
@ -336,7 +338,7 @@ public:
getCollisions() const {
return collisions;
}
virtual void setTexture( std::shared_ptr< Texture > &t ) {
virtual void setTexture( const std::shared_ptr< Texture > &t ) {
texture = t;
}
virtual void setTexture( const std::string &img_path ) {
@ -421,6 +423,9 @@ public:
void setStatic(bool stat = true) {
is_static = stat;
}
std::shared_ptr<Renderer> getRenderer() const {
return renderer;
}
protected:
std::vector< std::shared_ptr< CollisionPolygon > > collisions;
@ -475,6 +480,36 @@ public:
}
render_mutex.unlock();
}
void setZIndex( const std::shared_ptr< RenderObject > &obj, int index ) {
std::lock_guard<std::mutex> guard(render_mutex);
int original_index = 0;
for(long unsigned int i = 0; i < render_objects.size(); i++) {
if(render_objects[i] == obj) {
original_index = i;
}
}
if(original_index == index)
return;
if(original_index > index)
original_index++;
render_objects.insert(render_objects.begin() + index, obj);
render_objects.erase(render_objects.begin() + original_index);
}
void moveDownZ( const std::shared_ptr<RenderObject> &obj ) {
moveZ(obj, -1);
}
void moveUpZ( const std::shared_ptr<RenderObject> &obj ) {
moveZ(obj, 1);
}
void moveZ( const std::shared_ptr<RenderObject> &obj, int addition ) {
int original_index = 0;
for(long unsigned int i = 0; i < render_objects.size(); i++) {
if(render_objects[i] == obj) {
original_index = i;
}
}
std::iter_swap(render_objects.begin() + original_index, render_objects.begin() + original_index + addition);
}
//TODO addCollision
std::shared_ptr< RenderObject > getObject( int index ) {
return render_objects[index];
@ -847,7 +882,7 @@ public:
RectangleRender() = delete;
virtual ~RectangleRender(){};
RectangleRender( double x, double y, double w, double h,
std::shared_ptr< Renderer > &r )
const std::shared_ptr< Renderer > &r )
: RenderObject( r ) {
og_x = x_ = x;
og_y = y_ = y;
@ -856,19 +891,20 @@ public:
updateSizeAndPosition();
}
RectangleRender( double x, double y, double w, double h,
std::shared_ptr< Renderer > &r,
std::shared_ptr< Texture > &t )
const std::shared_ptr< Renderer > &r,
const std::shared_ptr< Texture > &t )
: RectangleRender( x, y, w, h, r ) {
setTexture( t );
}
RectangleRender( double x, double y, double w, double h,
std::shared_ptr< Renderer > &r,
const std::shared_ptr< Renderer > &r,
const std::string &img_or_color, bool is_polygon = false )
: RectangleRender( x, y, w, h, r ) {
if ( !is_polygon ) {
setTexture( img_or_color );
} else {
setColor( img_or_color );
color = img_or_color;
}
}
virtual void setColor( const std::string &color ) override {
@ -924,7 +960,7 @@ public:
virtual void custom_move( int /*UNUSED*/ ) override {}
virtual std::pair< std::pair< double, double >,
std::pair< double, double > >
getDoubleRect() override {
getDoubleRect() const override {
return { { og_x, og_y }, { og_w, og_h } };
}
virtual void setPos( double x, double y ) override {
@ -932,6 +968,9 @@ public:
og_y = y;
updateSizeAndPosition();
}
virtual void setPos(const std::pair<double, double> &pos) override {
setPos(pos.first, pos.second);
}
virtual std::pair< double, double > getPos() const override {
return { og_x, og_y };
}
@ -985,6 +1024,9 @@ public:
// TODO ACTUALLY copy, don't just copy pointers to textures and whatnot, create new textures!!!
return std::make_shared<RectangleRender>(*this);
}
std::string getColor() const {
return color;
}
protected:
void updateXY() {
@ -1014,6 +1056,7 @@ protected:
double h_;
bool centerx = false;
SDL_Rect rect;
std::string color = "";
};
class TextRenderer : public RectangleRender {

View File

@ -7,6 +7,9 @@
#define COLIDER_ID 0x00000001
#define BRICK_ID 0x00000002
#define GAME_OVER 0x00000003
#define SHADOW_ID 0x00000004
#define BORDER_ID 0x00000005
#define FLOOR_ID 0x00000006
#define LEFT_BORDER 0.3
#define RIGHT_BORDER 0.7
@ -16,6 +19,7 @@
#define TICKS_TILL_FALL 500
#define TICKS_TILL_DESCEND 50
#define TICKS_TILL_MOVE 100
#define TETRIS_BRICK 0
#define TETRIS_T 1
@ -35,6 +39,7 @@ int game_over_select = 0;
int game_over_max = 1;
int ticks_till_fall = TICKS_TILL_FALL;
int ticks_till_descend = TICKS_TILL_DESCEND;
int ticks_till_movement = TICKS_TILL_MOVE;
std::vector< std::shared_ptr< SDLPP::RectangleRender > > pause_options;
std::vector< std::shared_ptr< SDLPP::RectangleRender > > game_over_options;
std::shared_ptr< SDLPP::TextRenderer > score_texture;
@ -55,16 +60,26 @@ class TetrisBlock : public SDLPP::RectangleRender {
public:
TetrisBlock() = delete;
TetrisBlock( double x, double y, double w, double h,
std::shared_ptr< SDLPP::Renderer > &r,
const std::string &img_or_color, bool is_polygon = false,
int index = 0 )
const std::shared_ptr< SDLPP::Renderer > &r,
const std::string &img_or_color, bool is_polygon,
int index, std::shared_ptr<SDLPP::Scene> scene )
: RectangleRender( x, y, w, h, r, img_or_color, is_polygon ) {
_index = index;
bag[_index]--;
_scene = scene;
}
TetrisBlock( const TetrisBlock &other ) : TetrisBlock(other.getDoubleRect().first.first,other.getDoubleRect().first.second,other.getDoubleRect().second.first,other.getDoubleRect().second.second,other.getRenderer(), other.getColor(), true, other._index, other._scene) {}
~TetrisBlock() {
bag[_index]++;
}
virtual std::shared_ptr<RenderObject> copySelf() {
return std::make_shared<TetrisBlock>(*this);
}
std::shared_ptr<TetrisBlock> copyInScene() {
auto ret = std::shared_ptr<TetrisBlock>(new TetrisBlock(*this));
_scene->addObject(ret);
return ret;
}
bool isSamePos(const SDLPP::RenderObject &other) const {
auto mypos = getPos();
auto otherpos = other.getPos();
@ -77,8 +92,24 @@ public:
private:
int _index = 0;
std::shared_ptr<SDLPP::Scene> _scene;
};
std::shared_ptr< TetrisBlock >
createTetrisBlock( double x, double y, const std::string &color,
const std::string &outline, int index,
std::shared_ptr< SDLPP::Renderer > renderer,
std::shared_ptr< SDLPP::Scene > scene ) {
auto ret = std::make_shared< TetrisBlock >( x, y, BLOCK_SIZE, BLOCK_SIZE,
renderer, color, true, index, scene );
ret->setOutlineColor( outline );
ret->addCollision( SDLPP::Rect( 0.1, 0.1, 0.8, 0.8 ) );
ret->setId( BRICK_ID );
ret->centerX();
scene->addObject( ret );
return ret;
}
class TetrisPiece {
public:
TetrisPiece() {
@ -151,6 +182,19 @@ public:
piece->setPos( pos.first, pos.second );
}
}
void setPos(const std::pair<double,double> &pos) {
setPos(pos.first, pos.second);
}
std::pair<double, double> getPos() {
auto &piece = pieces[0];
auto &relpositions = pieces_rel_position[0];
auto pos = piece->getPos();
pos.first += relpositions[0] * BLOCK_SIZE;
pos.first -= relpositions[1] * BLOCK_SIZE;
pos.second += relpositions[2] * BLOCK_SIZE;
pos.second -= relpositions[3] * BLOCK_SIZE;
return pos;
}
void clear() {
pieces.clear();
pieces_rel_position.clear();
@ -161,9 +205,18 @@ public:
void stopDescend() {
descend = false;
}
void startMovement() {
userMovement += 1;
}
void stopMovement() {
userMovement -= 1;
}
bool isDescending() {
return descend;
}
bool isMoving() {
return userMovement > 0;
}
bool isLeft(const SDLPP::RenderObject &block) const {
return isPosition(block, 0);
}
@ -180,6 +233,34 @@ public:
rotate_allowed = false;
}
void turnIntoShadow() {
for(auto &block : getObjects() ) {
block->setId(SHADOW_ID);
block->setColor("#AAAAAAAA");
}
}
std::shared_ptr<TetrisPiece> copySelf() {
auto ret = std::make_shared<TetrisPiece>();
for(int i = 0; i < 4; i++) {
auto block = pieces[i]->copyInScene();
block->centerX();
ret->addBlockInPos(block, pieces_rel_position[i]);
}
return ret;
}
void destroy() {
for(auto &x : getObjects()) {
x->destroy();
}
}
void addMovement(int x, int y) {
movement.first += x;
movement.second += y;
}
std::pair<int,int> getMovement() const {
return movement;
}
private:
bool isPosition(const SDLPP::RenderObject &block, int pos) const {
for(int i = 0; i < 4; i++) {
@ -189,16 +270,28 @@ private:
}
return false;
}
void resetBlock(int index, std::shared_ptr< TetrisBlock > piece) {
piece->setPos(pieces[index]->getPos());
pieces[index] = piece;
}
void addBlockInPos(std::shared_ptr<TetrisBlock> piece, const std::vector<int> &relpos) {
pieces.push_back( piece );
pieces_rel_position.push_back(relpos);
}
std::vector< std::vector< int > > pieces_rel_position;
std::vector< std::shared_ptr< TetrisBlock > > pieces;
std::vector< std::pair< double, double > > original_pos;
bool descend = false;
int userMovement = 0;
bool rotate_allowed = true;
std::pair<int,int> movement = {0,0};
};
std::vector< std::shared_ptr< SDLPP::RectangleRender > > line_coliders;
std::shared_ptr< TetrisPiece > cur_object;
std::shared_ptr< TetrisPiece > next_object;
std::shared_ptr< TetrisPiece > cur_shadow;
std::shared_ptr< SDLPP::RectangleRender > shadow_colider;
void doInput( std::shared_ptr< SDLPP::Scene > scene );
void doInputPause();
@ -207,21 +300,6 @@ bool quit = false;
std::mutex movement_mutex;
std::shared_ptr< TetrisBlock >
createTetrisBlock( double x, double y, const std::string &color,
const std::string &outline, int index,
std::shared_ptr< SDLPP::Renderer > renderer,
std::shared_ptr< SDLPP::Scene > scene ) {
auto ret = std::make_shared< TetrisBlock >( x, y, BLOCK_SIZE, BLOCK_SIZE,
renderer, color, true, index );
ret->setOutlineColor( outline );
ret->addCollision( SDLPP::Rect( 0.1, 0.1, 0.8, 0.8 ) );
ret->setId( BRICK_ID );
ret->centerX();
scene->addObject( ret );
return ret;
}
std::shared_ptr< TetrisPiece >
tetrisBrick( std::shared_ptr< SDLPP::Renderer > renderer,
std::shared_ptr< SDLPP::Scene > scene ) {
@ -465,6 +543,38 @@ void addStuff( SDLPP::Scene &scene, std::shared_ptr< SDLPP::Renderer > &r ) {
line_coliders.push_back( colider );
scene.addObject( colider );
}
auto shcol = std::make_shared< SDLPP::RectangleRender >( 0, TOP_BORDER, BLOCK_SIZE, BOTTOM_BORDER - TOP_BORDER, r );
shcol->addCollision(SDLPP::Rect( 0.1, 0.01, 0.8, 0.98 ));
shcol->setId( COLIDER_ID );
shcol->setStatic();
shcol->centerX();
shadow_colider = shcol;
scene.addObject( shadow_colider );
auto border = std::make_shared< SDLPP::RectangleRender >( LEFT_BORDER - 1, TOP_BORDER, 1, BOTTOM_BORDER, r);
border->setId( BORDER_ID );
border->setStatic();
border->centerX();
border->addCollision(SDLPP::Rect( 0, 0, 0.99, 1));
border->setColiderColor("#FF00FF");
scene.addObject(border);
border = std::make_shared< SDLPP::RectangleRender >( RIGHT_BORDER, TOP_BORDER, 1, BOTTOM_BORDER, r);
border->setId( BORDER_ID );
border->setStatic();
border->centerX();
border->addCollision(SDLPP::Rect( 0.01, 0, 1, 1));
border->setColiderColor("#FF00FF");
scene.addObject(border);
auto floor = std::make_shared< SDLPP::RectangleRender >( LEFT_BORDER, BOTTOM_BORDER, RIGHT_BORDER - LEFT_BORDER, 1, r);
floor->setId( FLOOR_ID );
floor->setStatic();
floor->centerX();
floor->addCollision(SDLPP::Rect(0, 0.01, 1, 1));
floor->setColiderColor("#00FF00");
scene.addObject(floor);
}
void updateScore() {
@ -535,7 +645,8 @@ void quitGame() {
quit = true;
}
void checkRotation( std::shared_ptr<TetrisPiece> piece, SDLPP::Scene &scene ) {
bool checkRotation( std::shared_ptr<TetrisPiece> piece, SDLPP::Scene &scene ) {
bool ret = true;
bool crash = true;
int left = 0x01;
int right = 0x02;
@ -564,6 +675,7 @@ void checkRotation( std::shared_ptr<TetrisPiece> piece, SDLPP::Scene &scene ) {
if ( crash ) {
if ( flags & bottom || (flags & left && flags & right) ) {
piece->revert();
ret = false;
} else {
if( flags & left )
piece->movePiece(BLOCK_SIZE, 0);
@ -596,6 +708,7 @@ void checkRotation( std::shared_ptr<TetrisPiece> piece, SDLPP::Scene &scene ) {
break;
if((is_left && is_right) || (is_left && was_right) || (is_right && was_left)) {
piece->revert();
ret = false;
break;
}
was_left = is_left;
@ -607,13 +720,55 @@ void checkRotation( std::shared_ptr<TetrisPiece> piece, SDLPP::Scene &scene ) {
// either bottom or up
if(!is_left && !is_right) {
piece->revert();
ret = false;
break;
}
}
return ret;
}
void updateShadow(SDLPP::Scene &scene) {
if(!cur_object) {
cur_shadow->destroy();
cur_shadow.reset();
return;
}
cur_shadow->setPos(cur_object->getPos());
double shadow_drop = BOTTOM_BORDER;
auto &invalid_objects = cur_object->getObjects();
for( auto &x : cur_shadow->getObjects() ) {
if(BOTTOM_BORDER - x->getPos().second < shadow_drop)
shadow_drop = BOTTOM_BORDER - x->getPos().second;
shadow_colider->setPos(x->getPos().first, TOP_BORDER);
auto collisions = scene.getCollisions( *shadow_colider, { BRICK_ID } );
auto curY = x->getPos().second;
for(auto &col : collisions) {
auto colY = col->getPos().second;
if(std::find(invalid_objects.begin(), invalid_objects.end(), col) != invalid_objects.end())
continue;
if(colY - curY < shadow_drop)
shadow_drop = colY - curY;
}
}
shadow_drop -= BLOCK_SIZE;
cur_shadow->setPos(cur_shadow->getPos().first, cur_shadow->getPos().second + shadow_drop);
}
bool validPos(SDLPP::Scene &scene, std::shared_ptr<TetrisPiece> piece) {
auto ret = true;
for ( auto &x : piece->getObjects() ) {
if(x->getId() != 2)
std::cout << "ID: " << x->getId() << std::endl;
auto collisions = scene.getCollisions( *x, { BRICK_ID, FLOOR_ID, BORDER_ID } );
if ( collisions.size() > 1 ) {
ret = false;
break;
}
}
return ret;
}
void handleKeyDown( SDL_Keycode key, SDLPP::Scene &scene ) {
bool crash = false;
switch ( key ) {
case SDLK_ESCAPE:
{
@ -627,44 +782,42 @@ void handleKeyDown( SDL_Keycode key, SDLPP::Scene &scene ) {
if(!cur_object)
break;
cur_object->movePiece(-BLOCK_SIZE, 0);
for ( auto &x : cur_object->getObjects() ) {
auto collisions = scene.getCollisions( *x, { BRICK_ID } );
auto pos = x->getPos();
if ( collisions.size() > 1 || pos.first < ( LEFT_BORDER - 0.01 ) )
crash = true;
}
if ( crash )
if(!validPos(scene, cur_object))
cur_object->movePiece(BLOCK_SIZE, 0);
updateShadow(scene);
ticks_till_movement = 2*TICKS_TILL_MOVE;
cur_object->startMovement();
cur_object->addMovement(-1,0);
break;
case SDLK_RIGHT:
case SDLK_d:
if(!cur_object)
break;
cur_object->movePiece(BLOCK_SIZE, 0);
for ( auto &x : cur_object->getObjects() ) {
auto collisions = scene.getCollisions( *x, { BRICK_ID } );
auto pos = x->getPos();
if ( collisions.size() > 1 || pos.first > RIGHT_BORDER - BLOCK_SIZE + 0.01 ) {
crash = true;
}
}
if ( crash )
if(!validPos(scene, cur_object))
cur_object->movePiece(-BLOCK_SIZE, 0);
updateShadow(scene);
ticks_till_movement = 2*TICKS_TILL_MOVE;
cur_object->startMovement();
cur_object->addMovement(1,0);
break;
case SDLK_DOWN:
case SDLK_s:
if(!cur_object)
break;
cur_object->startDescend();
cur_object->addMovement(0,1);
break;
case SDLK_UP:
case SDLK_w:
if(!cur_object)
break;
cur_object->rotate();
checkRotation( cur_object, scene );
if( checkRotation( cur_object, scene ) )
cur_shadow->rotate();
updateShadow(scene);
break;
case SDLK_r:
scene.getRenderer().setRenderColiders(
@ -675,9 +828,40 @@ void handleKeyDown( SDL_Keycode key, SDLPP::Scene &scene ) {
}
void handleKeyUp( SDL_Keycode key ) {
if ( key == SDLK_DOWN || key == SDLK_s ) {
if(cur_object)
cur_object->stopDescend();
switch(key) {
case SDLK_DOWN:
case SDLK_s:
if(!cur_object)
break;
if(cur_object->isDescending()) {
cur_object->stopDescend();
cur_object->addMovement(0,-1);
ticks_till_descend = TICKS_TILL_DESCEND;
}
break;
case SDLK_LEFT:
case SDLK_a:
if(!cur_object)
break;
if(cur_object->isMoving()) {
cur_object->stopMovement();
cur_object->addMovement(1,0);
if(cur_object->isMoving())
ticks_till_movement = TICKS_TILL_MOVE;
}
break;
case SDLK_RIGHT:
case SDLK_d:
if(!cur_object)
break;
if(cur_object->isMoving()) {
cur_object->stopDescend();
cur_object->addMovement(-1,0);
if(cur_object->isMoving())
ticks_till_movement = TICKS_TILL_MOVE;
}
default:
break;
}
}
@ -866,30 +1050,43 @@ void pollEventsGameOver() {
}
void moveThem( std::shared_ptr< SDLPP::Scene > scene, int ticks ) {
auto movement = cur_object->getMovement();
ticks_till_fall -= ticks;
if ( cur_object->isDescending() )
ticks_till_descend -= ticks;
if ( cur_object->isMoving() )
ticks_till_movement -= ticks;
if ( ticks_till_fall > 0 ) {
if ( cur_object->isDescending() && ticks_till_descend <= 0 ) {
ticks_till_descend = TICKS_TILL_DESCEND;
goto fall;
cur_object->movePiece(0, movement.second * BLOCK_SIZE);
if(!validPos(*scene, cur_object)) {
cur_object->movePiece(0, movement.second * -BLOCK_SIZE);
return;
} else
goto check_floor;
}
if ( cur_object->isMoving() && ticks_till_movement <= 0 ) {
ticks_till_movement = TICKS_TILL_MOVE;
cur_object->movePiece(movement.first * BLOCK_SIZE, 0);
if(!validPos(*scene, cur_object)) {
cur_object->movePiece(movement.first * -BLOCK_SIZE, 0);
return;
} else
goto check_floor;
}
return;
}
ticks_till_fall = TICKS_TILL_FALL;
fall:
cur_object->movePiece(0, BLOCK_SIZE);
check_floor:
bool fell = false;
for ( auto &x : cur_object->getObjects() ) {
auto collisions = scene->getCollisions( *x, { BRICK_ID } );
auto collisions = scene->getCollisions( *x, { BRICK_ID, FLOOR_ID } );
if ( collisions.size() > 1 ) {
fell = true;
break;
}
if ( x->getPos().second >= 1 ) {
fell = true;
break;
}
}
if ( fell ) {
cur_object->movePiece(0, -BLOCK_SIZE);
@ -903,6 +1100,7 @@ fall:
}
cur_object.reset();
}
updateShadow(*scene);
}
void doInput( std::shared_ptr< SDLPP::Scene > scene ) {
@ -1008,6 +1206,12 @@ int main() {
std::lock_guard< std::mutex > guard( movement_mutex );
cur_object = next_object;
cur_object->setPos( 0.5, TOP_BORDER - BLOCK_SIZE );
cur_shadow = cur_object->copySelf();
cur_shadow->turnIntoShadow();
for(auto &piece : cur_shadow->getObjects()) {
active_scene->moveZ(piece, -4);
}
updateShadow(*main_scene);
auto rand_index = std::rand() / ( ( RAND_MAX + 1u ) / 7 );
int retries = 0;
while ( bag[rand_index] < 4 ) {