mirror of https://github.com/auygun/kaliber.git
79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
#ifndef ENGINE_IMAGE_QUAD_H
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#define ENGINE_IMAGE_QUAD_H
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#include <array>
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#include <string>
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#include <unordered_map>
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#include <variant>
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#include "base/vecmath.h"
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#include "engine/animatable.h"
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namespace eng {
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class Shader;
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class Texture;
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class ImageQuad final : public Animatable {
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public:
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ImageQuad();
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~ImageQuad() final;
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void Create(const std::string& asset_name,
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std::array<int, 2> num_frames = {1, 1},
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int frame_width = 0,
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int frame_height = 0);
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void Destroy();
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void AutoScale();
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void SetCustomShader(const std::string& asset_name);
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template <typename T>
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void SetCustomUniform(const std::string& name, T value) {
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custom_uniforms_[name] = UniformValue(value);
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}
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// Animatable interface.
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void SetFrame(size_t frame) final;
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size_t GetFrame() const final { return current_frame_; }
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size_t GetNumFrames() const final;
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void SetColor(const base::Vector4f& color) final { color_ = color; }
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base::Vector4f GetColor() const final { return color_; }
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// Drawable interface.
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void Draw(float frame_frac) final;
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private:
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using UniformValue = std::variant<base::Vector2f,
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base::Vector3f,
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base::Vector4f,
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base::Matrix4f,
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float,
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int>;
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Texture* texture_ = nullptr;
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Shader* custom_shader_ = nullptr;
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std::unordered_map<std::string, UniformValue> custom_uniforms_;
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size_t current_frame_ = 0;
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std::array<int, 2> num_frames_ = {1, 1}; // horizontal, vertical
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int frame_width_ = 0;
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int frame_height_ = 0;
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base::Vector4f color_ = {1, 1, 1, 1};
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std::string asset_name_;
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float GetFrameWidth() const;
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float GetFrameHeight() const;
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base::Vector2f GetUVOffset(size_t frame) const;
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};
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} // namespace eng
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#endif // ENGINE_IMAGE_QUAD_H
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