53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
#include "sprite.hpp"
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#include <SDL3/SDL.h>
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#include <SDL3_image/SDL_image.h>
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#include <cassert>
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#include <memory>
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#include <stdexcept>
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#include <string>
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#include "log.hpp"
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#include "math.hpp"
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Sprite::Sprite() : m_Texture(nullptr, SDL_DestroyTexture) {}
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Sprite::Sprite(std::string path, Vec2D<float> center) : Sprite() {
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LoadImage(path, center);
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}
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Sprite::~Sprite() { LOG_DEBUG("."); }
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void Sprite::LoadImage(std::string path, Vec2D<float> image_center) {
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LOG_INFO("Loading image ", path);
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assert(m_Renderer != nullptr);
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auto surface = std::unique_ptr<SDL_Surface, decltype(&SDL_DestroySurface)>(
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IMG_Load(path.c_str()), SDL_DestroySurface);
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if (surface == nullptr) {
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LOG_ERROR("IMG_Load failed to load ", path);
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throw std::runtime_error("Failed to load resources");
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}
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m_Texture = std::unique_ptr<SDL_Texture, decltype(&SDL_DestroyTexture)>(
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SDL_CreateTextureFromSurface(m_Renderer.get(), surface.get()),
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SDL_DestroyTexture);
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if (m_Texture == nullptr) {
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LOG_ERROR("SDL_CreateTextureFromSurface failed");
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throw std::runtime_error("Failed to load resources");
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}
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float w, h;
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SDL_GetTextureSize(m_Texture.get(), &w, &h);
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m_Size = {w, h};
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m_ImageCenter = image_center;
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}
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// Renderer is shared for all class instances - we need it in order
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// to create textures from images
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void Sprite::SetRenderer(std::shared_ptr<SDL_Renderer> renderer) {
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m_Renderer = renderer;
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}
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std::shared_ptr<SDL_Renderer> Sprite::m_Renderer = nullptr;
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