collidedebrisweapon.cpp

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/*
 * Copyright (C) Volition, Inc. 1999.  All rights reserved.
 *
 * All source code herein is the property of Volition, Inc. You may not sell 
 * or otherwise commercially exploit the source or things you created based on the 
 * source.
 *
*/ 



#include "asteroid/asteroid.h"
#include "debris/debris.h"
#include "math/fvi.h"
#include "object/objcollide.h"
#include "object/object.h"
#include "parse/scripting.h"
#include "weapon/weapon.h"



// placeholder struct for ship_debris collisions
typedef struct ship_weapon_debris_struct {
        object  *ship_object;
        object  *debris_object;
        vec3d   ship_collision_cm_pos;
        vec3d   r_ship;
        vec3d   collision_normal;
        int             shield_hit_tri;
        vec3d   shield_hit_tri_point;
        float           impulse;
} ship_weapon_debris_struct;


int collide_debris_weapon( obj_pair * pair )
{
        vec3d   hitpos;
        int             hit;
        object *pdebris = pair->a;
        object *weapon_obj = pair->b;

        Assert( pdebris->type == OBJ_DEBRIS );
        Assert( weapon_obj->type == OBJ_WEAPON );

        // first check the bounding spheres of the two objects.
        hit = fvi_segment_sphere(&hitpos, &weapon_obj->last_pos, &weapon_obj->pos, &pdebris->pos, pdebris->radius);
        if (hit) {
                hit = debris_check_collision(pdebris, weapon_obj, &hitpos );
                if ( !hit )
                        return 0;

                Script_system.SetHookObjects(4, "Weapon", weapon_obj, "Debris", pdebris, "Self", weapon_obj, "Object", pdebris);
                bool weapon_override = Script_system.IsConditionOverride(CHA_COLLIDEDEBRIS, weapon_obj);

                Script_system.SetHookObjects(2, "Self", pdebris, "Object", weapon_obj);
                bool debris_override = Script_system.IsConditionOverride(CHA_COLLIDEWEAPON, pdebris);

                if(!weapon_override && !debris_override)
                {
                        weapon_hit( weapon_obj, pdebris, &hitpos );
                        debris_hit( pdebris, weapon_obj, &hitpos, Weapon_info[Weapons[weapon_obj->instance].weapon_info_index].damage );
                }

                Script_system.SetHookObjects(2, "Self", weapon_obj, "Object", pdebris);
                if(!(debris_override && !weapon_override))
                        Script_system.RunCondition(CHA_COLLIDEDEBRIS, '\0', NULL, weapon_obj);

                Script_system.SetHookObjects(2, "Self", pdebris, "Object", weapon_obj);
                if((debris_override && !weapon_override) || (!debris_override && !weapon_override))
                        Script_system.RunCondition(CHA_COLLIDEWEAPON, '\0', NULL, pdebris, Weapons[weapon_obj->instance].weapon_info_index);

                Script_system.RemHookVars(4, "Weapon", "Debris", "Self", "Object");
                return 0;

        } else {
                return weapon_will_never_hit( weapon_obj, pdebris, pair );
        }
}                               



int collide_asteroid_weapon( obj_pair * pair )
{
        if (!Asteroids_enabled)
                return 0;

        vec3d   hitpos;
        int             hit;
        object  *pasteroid = pair->a;
        object  *weapon_obj = pair->b;

        Assert( pasteroid->type == OBJ_ASTEROID);
        Assert( weapon_obj->type == OBJ_WEAPON );

        // first check the bounding spheres of the two objects.
        hit = fvi_segment_sphere(&hitpos, &weapon_obj->last_pos, &weapon_obj->pos, &pasteroid->pos, pasteroid->radius);
        if (hit) {
                hit = asteroid_check_collision(pasteroid, weapon_obj, &hitpos );
                if ( !hit )
                        return 0;

                Script_system.SetHookObjects(4, "Weapon", weapon_obj, "Asteroid", pasteroid, "Self", weapon_obj, "Object", pasteroid);

                bool weapon_override = Script_system.IsConditionOverride(CHA_COLLIDEASTEROID, weapon_obj);
                Script_system.SetHookObjects(2, "Self",pasteroid, "Object", weapon_obj);
                bool asteroid_override = Script_system.IsConditionOverride(CHA_COLLIDEWEAPON, pasteroid);

                if(!weapon_override && !asteroid_override)
                {
                        weapon_hit( weapon_obj, pasteroid, &hitpos );
                        asteroid_hit( pasteroid, weapon_obj, &hitpos, Weapon_info[Weapons[weapon_obj->instance].weapon_info_index].damage );
                }

                Script_system.SetHookObjects(2, "Self", weapon_obj, "Object", pasteroid);
                if(!(asteroid_override && !weapon_override))
                        Script_system.RunCondition(CHA_COLLIDEASTEROID, '\0', NULL, weapon_obj);

                Script_system.SetHookObjects(2, "Self", pasteroid, "Object", weapon_obj);
                if((asteroid_override && !weapon_override) || (!asteroid_override && !weapon_override))
                        Script_system.RunCondition(CHA_COLLIDEWEAPON, '\0', NULL, pasteroid, Weapons[weapon_obj->instance].weapon_info_index);

                Script_system.RemHookVars(4, "Weapon", "Asteroid", "Self", "Object");
                return 0;

        } else {
                return weapon_will_never_hit( weapon_obj, pasteroid, pair );
        }
}