49 lines
1.8 KiB
C
49 lines
1.8 KiB
C
#ifndef _fencer_collidable_h
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#define _fencer_collidable_h
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#include "vmath.h"
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#include "typeclass_helpers.h"
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#include "list.h"
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#include "shape.h"
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typedef struct Collision Collision;
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typedef struct RigidBody RigidBody;
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typedef struct PhysicsEntity PhysicsEntity;
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typedef struct IPhysicsEntity {
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RigidBody* (*const get_rigidbody)(void* self);
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Shape* (*const get_shape)(void* self);
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void(*const on_collision)(void* self, Collision collision);
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void(*const on_overlap)(void* self, PhysicsEntity other);
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} IPhysicsEntity;
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typedef struct PhysicsEntity {
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void* data;
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IPhysicsEntity const* tc;
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ITransformable const* transformable;
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} PhysicsEntity;
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extern void physics_entity_debug_draw(PhysicsEntity self);
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extern void physics_entity_solve_contacts(PhysicsEntity self, List* contacts);
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extern void physics_entity_update(PhysicsEntity self);
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#define impl_PhysicsEntity_for(T, get_rigidbody_f, get_shape_f, on_collision_f, on_overlap_f)\
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static inline PhysicsEntity T##_as_PhysicsEntity(T* x) {\
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TC_FN_TYPECHECK(Transformable, T##_as_Transformable, T*);\
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TC_FN_TYPECHECK(RigidBody*, get_rigidbody_f, T*);\
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TC_FN_TYPECHECK(Shape*, get_shape_f, T*);\
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TC_FN_TYPECHECK(void, on_collision_f, T*, Collision);\
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TC_FN_TYPECHECK(void, on_overlap_f, T*, PhysicsEntity);\
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static IPhysicsEntity const tc = {\
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.get_rigidbody = (RigidBody*(*const)(void*)) get_rigidbody_f,\
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.get_shape = (Shape*(*const)(void*)) get_shape_f,\
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.on_collision = (void(*const)(void*,Collision)) on_collision_f,\
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.on_overlap = (void(*const)(void*,PhysicsEntity)) on_overlap_f,\
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};\
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Transformable transformable = T##_as_Transformable(x);\
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return (PhysicsEntity){.data = x, .tc = &tc, .transformable = transformable.tc};\
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}
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#endif // !_fencer_collidable_h
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