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SpriteHandler.h:
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* Getting rid of all throws.
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@razterizer
razterizer committed Nov 7, 2024
1 parent 967efe3 commit b870e40
Showing 1 changed file with 50 additions and 23 deletions.
73 changes: 50 additions & 23 deletions SpriteHandler.h
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Original file line number Diff line number Diff line change
Expand Up @@ -52,20 +52,27 @@ class BitmapSprite : public Sprite
{
// Helper function for setting any vector data
template<typename T, typename... Args>
void set_sprite_data(std::vector<T>& target, Args... args)
bool set_sprite_data(std::vector<T>& target, Args... args)
{
if (sizeof...(args) != static_cast<size_t>(area))
throw std::invalid_argument("Number of arguments must match sprite size.");
{
std::cerr << "ERROR in BitmapSprite::set_sprite_data() : Number of arguments must match sprite size." << std::endl;
return false;
}
target = {static_cast<T>(args)...}; // Unpack and assign to the target vector
return true;
}

template<typename T, typename... Args>
void set_sprite_data(std::vector<T>& target, const ttl::Rectangle& bb, Args... args)
bool set_sprite_data(std::vector<T>& target, const ttl::Rectangle& bb, Args... args)
{
int nr = std::min(bb.r_len, size.r);
int nc = std::min(bb.c_len, size.c);
if (sizeof...(args) != static_cast<size_t>(nr * nc))
throw std::invalid_argument("Number of arguments must match sprite size and or bounding box size.");
{
std::cerr << "ERROR in BitmapSprite::set_sprite_data() : Number of arguments must match sprite size and or bounding box size." << std::endl;
return false;
}
std::vector<T> source = {static_cast<T>(args)...}; // Unpack and assign to the target vector

for (int i = 0; i < nr; ++i)
Expand All @@ -84,6 +91,8 @@ class BitmapSprite : public Sprite
target[trg_index] = source[src_index];
}
}

return true;
}

RC size { 0, 0 };
Expand Down Expand Up @@ -124,13 +133,17 @@ class BitmapSprite : public Sprite
texture->materials.resize(area);
}

void load_frame(int anim_frame, const std::string& file_path)
bool load_frame(int anim_frame, const std::string& file_path)
{
auto* texture = fetch_frame(anim_frame);
texture->clear();
texture->load(file_path);
if (texture->size != size)
throw std::invalid_argument("Loaded sprite frame doesn't have the same size as the sprite itself.");
{
std::cerr << "ERROR in BitmapSprite::load_frame() : Loaded sprite frame doesn't have the same size as the sprite itself." << std::endl;
return false;
}
return true;
}

void save_frame(int anim_frame, const std::string& file_path)
Expand Down Expand Up @@ -182,80 +195,91 @@ class BitmapSprite : public Sprite

// Set sprite characters from a string for each row
template<typename... Strings>
void set_sprite_chars_from_strings(int anim_frame, Strings... rows)
bool set_sprite_chars_from_strings(int anim_frame, Strings... rows)
{
auto* texture = fetch_frame(anim_frame);

std::array<std::string, sizeof...(rows)> row_array = { rows... };

// Check that the number of rows matches the texture's height
if (stlutils::sizeI(row_array) != texture->size.r)
throw std::invalid_argument("Number of strings must match the number of rows.");
{
std::cerr << "ERROR in BitmapSprite::set_sprite_chars_from_strings() : Number of strings must match the number of rows." << std::endl;
return false;
}

for (const auto& row : row_array)
if (stlutils::sizeI(row) != texture->size.c)
throw std::invalid_argument("Each string must have exactly NC characters.");
{
std::cerr << "ERROR in BitmapSprite::set_sprite_chars_from_strings() : Each string must have exactly NC characters." << std::endl;
return false;
}

// Unpack strings into the characters vector
int idx = 0;
for (const auto& row : row_array)
for (char ch : row)
texture->characters[idx++] = ch;

return true;
}

// Set sprite foreground colors
template<typename... Colors>
void set_sprite_fg_colors(int anim_frame, Colors... fg_color)
bool set_sprite_fg_colors(int anim_frame, Colors... fg_color)
{
auto* texture = fetch_frame(anim_frame);
set_sprite_data(texture->fg_colors, fg_color...);
return set_sprite_data(texture->fg_colors, fg_color...);
}

// Set sprite foreground colors
template<typename... Colors>
void set_sprite_fg_colors(int anim_frame, const ttl::Rectangle& bb, Colors... fg_color)
bool set_sprite_fg_colors(int anim_frame, const ttl::Rectangle& bb, Colors... fg_color)
{
auto* texture = fetch_frame(anim_frame);
set_sprite_data(texture->fg_colors, bb, fg_color...);
return set_sprite_data(texture->fg_colors, bb, fg_color...);
}

// Set sprite background colors
template<typename... Colors>
void set_sprite_bg_colors(int anim_frame, Colors... bg_color)
bool set_sprite_bg_colors(int anim_frame, Colors... bg_color)
{
auto* texture = fetch_frame(anim_frame);
set_sprite_data(texture->bg_colors, bg_color...);
return set_sprite_data(texture->bg_colors, bg_color...);
}

// Set sprite background colors
template<typename... Colors>
void set_sprite_bg_colors(int anim_frame, const ttl::Rectangle& bb, Colors... bg_color)
bool set_sprite_bg_colors(int anim_frame, const ttl::Rectangle& bb, Colors... bg_color)
{
auto* texture = fetch_frame(anim_frame);
set_sprite_data(texture->bg_colors, bb, bg_color...);
return set_sprite_data(texture->bg_colors, bb, bg_color...);
}

// Set sprite materials
template<typename... Materials>
void set_sprite_materials(int anim_frame, Materials... mat)
bool set_sprite_materials(int anim_frame, Materials... mat)
{
auto* texture = fetch_frame(anim_frame);
set_sprite_data(texture->materials, mat...);
return set_sprite_data(texture->materials, mat...);
}

// Set sprite materials
template<typename... Materials>
void set_sprite_materials(int anim_frame, const ttl::Rectangle& bb, Materials... mat)
bool set_sprite_materials(int anim_frame, const ttl::Rectangle& bb, Materials... mat)
{
auto* texture = fetch_frame(anim_frame);
set_sprite_data(texture->materials, bb, mat...);
return set_sprite_data(texture->materials, bb, mat...);
}

const drawing::Texture& get_curr_frame(int sim_frame) const
{
int frame_id = func_calc_anim_frame(sim_frame);
if (frame_id >= stlutils::sizeI(texture_frames))
throw std::invalid_argument("ERROR: Incorrect frame id: " + std::to_string(frame_id) + " for sprite \"" + name + "\"! Sprite only has " + std::to_string(texture_frames.size()) + " frames.");
{
std::cerr << "ERROR in BitmapSprite::get_curr_frame() : Incorrect frame id: " + std::to_string(frame_id) + " for sprite \"" + name + "\"! Sprite only has " + std::to_string(texture_frames.size()) + " frames." << std::endl;
return;
}
return *texture_frames[frame_id];
}

Expand Down Expand Up @@ -397,7 +421,10 @@ class VectorSprite : public Sprite
{
int frame_id = func_calc_anim_frame(sim_frame);
if (frame_id >= stlutils::sizeI(vector_frames))
throw std::invalid_argument("ERROR: Incorrect frame id: " + std::to_string(frame_id) + " for sprite \"" + name + "\"! Sprite only has " + std::to_string(vector_frames.size()) + " frames.");
{
std::cerr << "ERROR in VectorSprite::get_curr_frame() : Incorrect frame id: " + std::to_string(frame_id) + " for sprite \"" + name + "\"! Sprite only has " + std::to_string(vector_frames.size()) + " frames." << std::endl;
return;
}
return *vector_frames[frame_id];
}

Expand Down

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