isf15acp4_animator.hpp

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#pragma once
 
#include <cstddef>
#include <cstdint>
 
#include "isf15acp4_graphics_context.hpp"
 
namespace isf15acp4 {
 
using AnimationFrameFn = void (*)(GraphicsContext& gfx, uint32_t frame, void* user_data) noexcept;
 
class Animator {
public:
    Animator(GraphicsContext& gfx, AnimationFrameFn fn, void* user_data = nullptr,
             uint32_t fps = 30) noexcept;
 
    bool Tick(uint32_t elapsed_ms) noexcept;
 
    void RenderNow() noexcept;
 
    void SetFps(uint32_t fps) noexcept { frame_ms_ = fps > 0 ? (1000u / fps) : 33u; }
    void Reset() noexcept { frame_ = 0; elapsed_accum_ = 0; }
    [[nodiscard]] uint32_t Frame() const noexcept { return frame_; }
 
private:
    GraphicsContext& gfx_;
    AnimationFrameFn frame_fn_;
    void* user_data_;
    uint32_t frame_{0};
    uint32_t frame_ms_{33};
    uint32_t elapsed_accum_{0};
};
 
namespace animations {
 
void ColorWheel(GraphicsContext& gfx, uint32_t frame, void* user_data) noexcept;
void Plasma(GraphicsContext& gfx, uint32_t frame, void* user_data) noexcept;
void ScrollingText(GraphicsContext& gfx, uint32_t frame, void* user_data) noexcept;
void PulseButton(GraphicsContext& gfx, uint32_t frame, void* user_data) noexcept;
 
}  // namespace animations
 
}  // namespace isf15acp4
 
#define ISF15ACP4_ANIMATOR_HEADER_INCLUDED
#include "../src/isf15acp4_animator.ipp"
#undef ISF15ACP4_ANIMATOR_HEADER_INCLUDED