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Treballant en la càrrega de animacions desde fitxers

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This commit is contained in:
Sergio
2024-10-17 21:02:28 +02:00
parent 8e8346b2ab
commit 808f1595e9
2 changed files with 141 additions and 153 deletions
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292
source/animated_sprite.cpp
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@@ -16,7 +16,7 @@ AnimatedSprite::AnimatedSprite(std::shared_ptr<Texture> texture, const std::stri
{ {
animations_ = loadFromFile(file_path); animations_ = loadFromFile(file_path);
} }
//setSpriteClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]); // setSpriteClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]);
} }
AnimatedSprite::AnimatedSprite(std::shared_ptr<Texture> texture, std::vector<std::string> *animations) AnimatedSprite::AnimatedSprite(std::shared_ptr<Texture> texture, std::vector<std::string> *animations)
@@ -27,7 +27,7 @@ AnimatedSprite::AnimatedSprite(std::shared_ptr<Texture> texture, std::vector<std
{ {
loadFromVector(animations); loadFromVector(animations);
} }
//setSpriteClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]); // setSpriteClip(animations_[current_animation_].frames[animations_[current_animation_].current_frame]);
} }
// Constructor // Constructor
@@ -178,149 +178,6 @@ SDL_Rect AnimatedSprite::getAnimationClip(int indexA, Uint8 indexF)
return animations_[indexA].frames[indexF]; return animations_[indexA].frames[indexF];
} }
// Carga la animación desde un vector
bool AnimatedSprite::loadFromVector(std::vector<std::string> *source)
{
// Inicializa variables
auto frames_per_row = 0;
auto frame_width = 0;
auto frame_height = 0;
auto max_tiles = 0;
// Indicador de éxito en el proceso
auto success = true;
std::string line;
// Recorre todo el vector
auto index = 0;
while (index < (int)source->size())
{
// Lee desde el vector
line = source->at(index);
// Si la linea contiene el texto [animation] se realiza el proceso de carga de una animación
if (line == "[animation]")
{
Animation animation;
animation.counter = 0;
animation.current_frame = 0;
animation.completed = false;
animation.name.clear();
animation.speed = 5;
animation.loop = 0;
animation.frames.clear();
do
{
// Aumenta el indice para leer la siguiente linea
index++;
line = source->at(index);
// Encuentra la posición del caracter '='
int pos = line.find("=");
// Procesa las dos subcadenas
if (pos != static_cast<int>(line.npos))
{
if (line.substr(0, pos) == "name")
{
animation.name = line.substr(pos + 1, line.length());
}
else if (line.substr(0, pos) == "speed")
{
animation.speed = std::stoi(line.substr(pos + 1, line.length()));
}
else if (line.substr(0, pos) == "loop")
{
animation.loop = std::stoi(line.substr(pos + 1, line.length()));
}
else if (line.substr(0, pos) == "frames")
{
// Se introducen los valores separados por comas en un vector
std::stringstream ss(line.substr(pos + 1, line.length()));
std::string tmp;
SDL_Rect rect = {0, 0, frame_width, frame_height};
while (getline(ss, tmp, ','))
{
// Comprueba que el tile no sea mayor que el maximo indice permitido
const int num_tile = std::stoi(tmp) > max_tiles ? 0 : std::stoi(tmp);
rect.x = (num_tile % frames_per_row) * frame_width;
rect.y = (num_tile / frames_per_row) * frame_height;
animation.frames.push_back(rect);
}
}
else
{
std::cout << "Warning: unknown parameter " << line.substr(0, pos).c_str() << std::endl;
success = false;
}
}
} while (line != "[/animation]");
// Añade la animación al vector de animaciones
animations_.push_back(animation);
}
// En caso contrario se parsea el fichero para buscar las variables y los valores
else
{
// Encuentra la posición del caracter '='
int pos = line.find("=");
// Procesa las dos subcadenas
if (pos != (int)line.npos)
{
if (line.substr(0, pos) == "frames_per_row")
{
frames_per_row = std::stoi(line.substr(pos + 1, line.length()));
}
else if (line.substr(0, pos) == "frame_width")
{
frame_width = std::stoi(line.substr(pos + 1, line.length()));
}
else if (line.substr(0, pos) == "frame_height")
{
frame_height = std::stoi(line.substr(pos + 1, line.length()));
}
else
{
std::cout << "Warning: unknown parameter " << line.substr(0, pos).c_str() << std::endl;
success = false;
}
// Normaliza valores
if (frames_per_row == 0 && frame_width > 0)
{
frames_per_row = texture_->getWidth() / frame_width;
}
if (max_tiles == 0 && frame_width > 0 && frame_height > 0)
{
const int w = texture_->getWidth() / frame_width;
const int h = texture_->getHeight() / frame_height;
max_tiles = w * h;
}
}
}
// Una vez procesada la linea, aumenta el indice para pasar a la siguiente
index++;
}
// Pone un valor por defecto
setWidth(frame_width);
setHeight(frame_height);
return success;
}
// Establece la animacion actual // Establece la animacion actual
void AnimatedSprite::setCurrentAnimation(const std::string &name) void AnimatedSprite::setCurrentAnimation(const std::string &name)
{ {
@@ -401,14 +258,7 @@ std::vector<Animation> AnimatedSprite::loadFromFile(std::string file_path)
// Si la linea contiene el texto [animation] se realiza el proceso de carga de una animación // Si la linea contiene el texto [animation] se realiza el proceso de carga de una animación
if (line == "[animation]") if (line == "[animation]")
{ {
Animation animation; Animation animation = Animation();
animation.counter = 0;
animation.current_frame = 0;
animation.completed = false;
animation.name.clear();
animation.speed = 5;
animation.loop = 0;
animation.frames.clear();
do do
{ {
@@ -522,3 +372,139 @@ std::vector<Animation> AnimatedSprite::loadFromFile(std::string file_path)
return animations; return animations;
} }
// Carga la animación desde un vector
bool AnimatedSprite::loadFromVector(std::vector<std::string> *source)
{
// Inicializa variables
auto frames_per_row = 0;
auto frame_width = 0;
auto frame_height = 0;
auto max_tiles = 0;
// Indicador de éxito en el proceso
auto success = true;
std::string line;
// Recorre todo el vector
auto index = 0;
while (index < (int)source->size())
{
// Lee desde el vector
line = source->at(index);
// Si la linea contiene el texto [animation] se realiza el proceso de carga de una animación
if (line == "[animation]")
{
Animation animation = Animation();
do
{
// Aumenta el indice para leer la siguiente linea
index++;
line = source->at(index);
// Encuentra la posición del caracter '='
int pos = line.find("=");
// Procesa las dos subcadenas
if (pos != static_cast<int>(line.npos))
{
if (line.substr(0, pos) == "name")
{
animation.name = line.substr(pos + 1, line.length());
}
else if (line.substr(0, pos) == "speed")
{
animation.speed = std::stoi(line.substr(pos + 1, line.length()));
}
else if (line.substr(0, pos) == "loop")
{
animation.loop = std::stoi(line.substr(pos + 1, line.length()));
}
else if (line.substr(0, pos) == "frames")
{
// Se introducen los valores separados por comas en un vector
std::stringstream ss(line.substr(pos + 1, line.length()));
std::string tmp;
SDL_Rect rect = {0, 0, frame_width, frame_height};
while (getline(ss, tmp, ','))
{
// Comprueba que el tile no sea mayor que el maximo indice permitido
const int num_tile = std::stoi(tmp) > max_tiles ? 0 : std::stoi(tmp);
rect.x = (num_tile % frames_per_row) * frame_width;
rect.y = (num_tile / frames_per_row) * frame_height;
animation.frames.push_back(rect);
}
}
else
{
std::cout << "Warning: unknown parameter " << line.substr(0, pos).c_str() << std::endl;
success = false;
}
}
} while (line != "[/animation]");
// Añade la animación al vector de animaciones
animations_.push_back(animation);
}
// En caso contrario se parsea el fichero para buscar las variables y los valores
else
{
// Encuentra la posición del caracter '='
int pos = line.find("=");
// Procesa las dos subcadenas
if (pos != (int)line.npos)
{
if (line.substr(0, pos) == "frames_per_row")
{
frames_per_row = std::stoi(line.substr(pos + 1, line.length()));
}
else if (line.substr(0, pos) == "frame_width")
{
frame_width = std::stoi(line.substr(pos + 1, line.length()));
}
else if (line.substr(0, pos) == "frame_height")
{
frame_height = std::stoi(line.substr(pos + 1, line.length()));
}
else
{
std::cout << "Warning: unknown parameter " << line.substr(0, pos).c_str() << std::endl;
success = false;
}
// Normaliza valores
if (frames_per_row == 0 && frame_width > 0)
{
frames_per_row = texture_->getWidth() / frame_width;
}
if (max_tiles == 0 && frame_width > 0 && frame_height > 0)
{
const int w = texture_->getWidth() / frame_width;
const int h = texture_->getHeight() / frame_height;
max_tiles = w * h;
}
}
}
// Una vez procesada la linea, aumenta el indice para pasar a la siguiente
index++;
}
// Pone un valor por defecto
setWidth(frame_width);
setHeight(frame_height);
return success;
}

2
source/animated_sprite.h
View File

@@ -17,6 +17,8 @@ struct Animation
bool completed; // Indica si ha finalizado la animación bool completed; // Indica si ha finalizado la animación
int current_frame; // Frame actual int current_frame; // Frame actual
int counter; // Contador para las animaciones int counter; // Contador para las animaciones
Animation() : name(std::string()), speed(5), loop(0), completed(false), current_frame(0), counter(0) {}
}; };
class AnimatedSprite : public MovingSprite class AnimatedSprite : public MovingSprite