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#pragma once
#include <string>
#include <unordered_map>
#include <mbgl/util/chrono.hpp>
#include <mbgl/text/collision_index.hpp>
#include <mbgl/layout/symbol_projection.hpp>
namespace mbgl {
class RenderSymbolLayer;
class SymbolBucket;
class OpacityState {
public:
OpacityState(float targetOpacity);
OpacityState(OpacityState& prevOpacityState, float increment, float targetOpacity);
float opacity;
float targetOpacity;
bool isHidden() const;
};
class JointOpacityState {
public:
JointOpacityState(float iconOpacity, float textOpacity);
JointOpacityState(JointOpacityState& prevOpacityState, float increment, float iconOpacity, float textOpacity);
OpacityState icon;
OpacityState text;
};
class PlacementPair {
public:
PlacementPair(bool text_, bool icon_) : text(text_), icon(icon_) {}
bool text;
bool icon;
};
class Placement {
public:
Placement(const TransformState&);
void placeLayer(RenderSymbolLayer&, bool showCollisionBoxes);
void commit(std::unique_ptr<Placement> prevPlacement, TimePoint);
void updateLayerOpacities(RenderSymbolLayer&, gl::Context&);
JointOpacityState getOpacity(uint32_t crossTileSymbolID) const;
private:
void placeLayerBucket(
RenderSymbolLayer&,
SymbolBucket&,
const mat4& posMatrix,
const mat4& textLabelPlaneMatrix,
const mat4& iconLabelPlaneMatrix,
const float scale,
const bool showCollisionBoxes);
void updateBucketOpacities(SymbolBucket&, gl::Context&);
CollisionIndex collisionIndex;
TransformState state;
TimePoint commitTime;
static uint32_t maxCrossTileID; // TODO remove
std::unordered_map<uint32_t,PlacementPair> placements;
std::unordered_map<uint32_t,JointOpacityState> opacities;
};
} // namespace mbgl
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