src/camera.hpp


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#include "macros.hpp"
#include "vendor/glm_include.hpp"

#include <cstdint>

TypeSafeInt_Const_Expr(PkeCameraType, uint8_t, 0xFF);
TypeSafeInt_Const_Expr(PkeCameraOrientation, uint8_t, 0xFF);
TypeSafeInt_Const_Expr(PkeCameraStaleFlags, uint8_t, 0xFF);

const PkeCameraType PKE_CAMERA_TYPE_PERSPECTIVE = PkeCameraType{1 << 0};
const PkeCameraType PKE_CAMERA_TYPE_ORTHOGONAL  = PkeCameraType{1 << 1};

const PkeCameraOrientation PKE_CAMERA_ORIENTATION_TARGET = PkeCameraOrientation{1 << 0};
const PkeCameraOrientation PKE_CAMERA_ORIENTATION_FREE   = PkeCameraOrientation{1 << 1};

const PkeCameraStaleFlags PKE_CAMERA_STALE_POS         = PkeCameraStaleFlags{1 << 0};
const PkeCameraStaleFlags PKE_CAMERA_STALE_ROT         = PkeCameraStaleFlags{1 << 1};
const PkeCameraStaleFlags PKE_CAMERA_STALE_ORIENTATION = PkeCameraStaleFlags{1 << 2};
const PkeCameraStaleFlags PKE_CAMERA_STALE_ALL         = PkeCameraStaleFlags{0xFF};

struct PkeCamera {
	glm::vec3 pos;
	glm::quat rot;
	glm::vec3 target;
	PkeCameraType type;
	PkeCameraOrientation orientation;
	PkeCameraStaleFlags stale;
};
extern PkeCamera NullCamera;
extern PkeCamera *ActiveCamera;