38 lines
838 B
C
38 lines
838 B
C
#pragma once
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#include "player.h"
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#include "types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct _App App;
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typedef struct {
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App *super;
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Component_Player *player;
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Box2 screen; // Screen box, e.g. 1280x720 origin (0,0)
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Box2 cam, target; // Current & target camera
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double speed; // Fraction of distance between cam & target to be covered in 1 sec
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} System_Camera;
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System_Camera *camera_NewSystem(App *super);
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void camera_DeleteSystem(System_Camera *sys);
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void camera_AddEntity(System_Camera *sys, Entity *e);
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void camera_DeleteEntity(System_Camera *sys, uintptr_t id);
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void camera_Advance(System_Camera *sys, Duration deltaTime);
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Vec2 camera_TransformVec2(System_Camera *sys, Vec2 world);
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Box2 camera_TransformBox2(System_Camera *sys, Box2 world);
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#ifdef __cplusplus
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}
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#endif
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