scripts.h

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#include <io/input.h>
#include <scripts/signals.h>
struct Window;
 
#ifndef SCRIPTS_H
#define SCRIPTS_H
 
#define NODE_FUNC_PARAMS struct Node *this, va_list args
 
#define NODE_FUNC_RETURN void
 
#define GET_READY_PARAMETERS() float delta = (float) GET_PARAMETER(double); (void) delta
 
#define GET_SIGNAL() Signal signal = (Signal) GET_PARAMETER(int); (void) signal
 
#define GET_PARAMETER(type) va_arg(args, type)
 
#define GET_AREA_SIGNAL_PARAMETERS() ;int sigId = GET_PARAMETER(int); Node *other = (Node *) GET_PARAMETER(Node *); float distance = (float) GET_PARAMETER(double); float *impactPoint = (float *) GET_PARAMETER(float *); int offset = GET_PARAMETER(int); (void) sigId; (void) other; (void) distance; (void) impactPoint; (void) offset;
 
#define MALLOC_ATTRIBUTE(node, x) if (!node->attribute) { \
                                    node->attribute = malloc(sizeof(BehaviorAttribute) * x); \
                                    POINTER_CHECK(node->attribute); \
                                    node->attributes_count = x; \
                                    for (int i = 0; i < x; i++) memset(&node->attribute[i], 0, sizeof(union BehaviorAttribute)); \
                                }
 
#define SET_ATTRIBUTES_COUNT(x) MALLOC_ATTRIBUTE(this, x)
 
#define NEW_SCRIPT(script_name) NODE_FUNC_RETURN script_name(NODE_FUNC_PARAMS) {
 
#define END_SCRIPT(script_name) }; \
static __attribute__((constructor)) void __anon_ctor_##script_name(void) {\
    Game.scripts = realloc(Game.scripts, sizeof(Script) * (__scriptIndex__ + 1));\
    Game.scripts[__scriptIndex__].name = #script_name;\
    Game.scripts[__scriptIndex__++].script = script_name;\
}
 
typedef union BehaviorAttribute {
    int i;          
    float f;        
    bool b;         
    void *p;        
    struct Node *node; 
} BehaviorAttribute;
 
typedef NODE_FUNC_RETURN (*ScriptFunc)(NODE_FUNC_PARAMS);
 
typedef struct Script {
    ScriptFunc script; 
    char * name;       
} Script;
 
typedef enum BehaviorScripts {
    BEHAVIOR_SCRIPT_READY,  
    BEHAVIOR_SCRIPT_UPDATE, 
    BEHAVIOR_SCRIPT_SIGNAL, 
    BEHAVIOR_SCRIPT_COUNT,  
} BehaviorScripts;
 
typedef ScriptFunc Behavior[BEHAVIOR_SCRIPT_COUNT];
 
extern int __scriptIndex__;
 
#endif // SCRIPTS_H