70 lines
2.5 KiB
C
70 lines
2.5 KiB
C
|
#pragma once
|
|||
|
|
|
|||
|
|
#include <easy2d/animation/animation_frame.h>
|
|||
|
|
#include <easy2d/animation/sprite_frame.h>
|
|||
|
|
#include <easy2d/animation/sprite_frame_cache.h>
|
|||
|
|
#include <easy2d/animation/interpolation_engine.h>
|
|||
|
|
#include <easy2d/graphics/render_backend.h>
|
|||
|
|
#include <vector>
|
|||
|
|
|
|||
|
|
namespace easy2d {
|
|||
|
|
|
|||
|
|
// ============================================================================
|
|||
|
|
// FrameRenderer - 帧渲染器
|
|||
|
|
// 单渲染器 + SpriteFrame 引用策略，替代 N帧=N个Sprite 的旧设计
|
|||
|
|
// 负责预加载帧的 SpriteFrame、渲染当前帧、处理混合模式
|
|||
|
|
// ============================================================================
|
|||
|
|
class FrameRenderer {
|
|||
|
|
public:
|
|||
|
|
FrameRenderer() = default;
|
|||
|
|
|
|||
|
|
// ------ 预加载 ------
|
|||
|
|
// 解析所有帧的 SpriteFrame（通过 SpriteFrameCache）
|
|||
|
|
bool preloadFrames(const std::vector<AnimationFrame>& frames);
|
|||
|
|
void releaseFrames();
|
|||
|
|
|
|||
|
|
// ------ 渲染当前帧 ------
|
|||
|
|
void renderFrame(RenderBackend& renderer,
|
|||
|
|
const AnimationFrame& frame,
|
|||
|
|
size_t frameIndex,
|
|||
|
|
const Vec2& position,
|
|||
|
|
float nodeOpacity,
|
|||
|
|
const Color& tintColor,
|
|||
|
|
bool flipX, bool flipY);
|
|||
|
|
|
|||
|
|
// ------ 渲染插值帧 ------
|
|||
|
|
void renderInterpolated(RenderBackend& renderer,
|
|||
|
|
const AnimationFrame& fromFrame,
|
|||
|
|
size_t fromIndex,
|
|||
|
|
const InterpolatedProperties& props,
|
|||
|
|
const Vec2& position,
|
|||
|
|
float nodeOpacity,
|
|||
|
|
const Color& tintColor,
|
|||
|
|
bool flipX, bool flipY);
|
|||
|
|
|
|||
|
|
// ------ 混合模式映射 ------
|
|||
|
|
static BlendMode mapBlendMode(const FramePropertySet& props);
|
|||
|
|
|
|||
|
|
// ------ 查询 ------
|
|||
|
|
Ptr<SpriteFrame> getSpriteFrame(size_t frameIndex) const;
|
|||
|
|
Size getMaxFrameSize() const { return maxFrameSize_; }
|
|||
|
|
bool isLoaded() const { return !spriteFrames_.empty(); }
|
|||
|
|
|
|||
|
|
private:
|
|||
|
|
std::vector<Ptr<SpriteFrame>> spriteFrames_;
|
|||
|
|
Size maxFrameSize_;
|
|||
|
|
|
|||
|
|
void drawSpriteFrame(RenderBackend& renderer,
|
|||
|
|
Ptr<SpriteFrame> sf,
|
|||
|
|
const Vec2& position,
|
|||
|
|
const Vec2& offset,
|
|||
|
|
const Vec2& scale,
|
|||
|
|
float rotation,
|
|||
|
|
float opacity,
|
|||
|
|
const Color& tint,
|
|||
|
|
bool flipX, bool flipY,
|
|||
|
|
BlendMode blend);
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
} // namespace easy2d
|