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behaviour entity trait now requires drop trait and a draw function

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Sara 2023-11-02 14:26:21 +01:00
parent cf001bd2d6
commit 674d1b55fb
1 changed files with 10 additions and 3 deletions
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13
src/behaviour_entity.h
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@ -1,6 +1,7 @@
#ifndef _update_entity_h
#define _update_entity_h
#include "drop.h"
#include "typeclass_helpers.h"
#include "vmath.h"
@ -8,23 +9,29 @@ typedef struct {
void (*const spawn)(void* self, Vector at);
void (*const update)(void* self, float dt);
void (*const start)(void* self);
void (*const draw)(void* self);
} IEntityBehaviour;
typedef struct {
void* data;
IEntityBehaviour const* tc;
IDrop const* drop;
} BehaviourEntity;
#define impl_BehaviourEntity_for(T, start_f, update_f, spawn_f)\
#define impl_BehaviourEntity_for(T, start_f, update_f, spawn_f, draw_f)\
static inline BehaviourEntity T##_as_BehaviourEntity(T* x) {\
TC_FN_TYPECHECK(void, start_f, T*);\
TC_FN_TYPECHECK(void, update_f, T*, float);\
TC_FN_TYPECHECK(void, draw_f, T*);\
static IEntityBehaviour const tc = {\
.spawn = (void(*const)(void*, Vector)) spawn_f,\
.update = (void(*const)(void*, float)) update_f,\
.start = (void(*const)(void*)) start_f\
.start = (void(*const)(void*)) start_f,\
.draw = (void(*const)(void*)) draw_f,\
};\
return (BehaviourEntity){.tc = &tc, .data = x};\
TC_FN_TYPECHECK(Drop, T##_as_Drop, T*);\
IDrop const* drop = T##_as_Drop(x).tc;\
return (BehaviourEntity){.tc = &tc, .drop = drop, .data = x};\
}\
#endif // !_update_entity_h