pokeheartgold/include/library/spl_emitter.h

#ifndef POKEHEARTGOLD_SPL_EMITTER_H
#define POKEHEARTGOLD_SPL_EMITTER_H

#include "spl_particle.h"
#include "spl_resource.h"

typedef struct SPLEmitterFlag {
    union {
        u32 all;
        struct {
            u32 terminate:1;
            u32 stop_generate:1;
            u32 stop_calc:1;
            u32 stop_draw:1;
            u32 started: 1;
            u32 reserved0:27;
        };
    };
} SPLEmitterFlag;

typedef struct SPLEmitter {
    struct SPLEmitter* p_next; //0
    struct SPLEmitter* p_prev; //4
    SPLParticleList act_ptcl_list; //8
    SPLParticleList act_chld_list; //14
    SPLResource* p_res; //20
    SPLEmitterFlag flag; //24
    VecFx32 emtr_pos; //28
    VecFx32 emtr_vel; //34
    VecFx32 emtr_init_vel;
    u16 age;
    fx16 gen_num_dec;
    VecFx16 axis;
    u16 init_rtt;
    fx32 gen_num;
    fx32 radius;
    fx32 length;
    fx32 init_vel_mag_pos;
    fx32 init_vel_mag_axis;
    fx32 base_scl;
    u16  ptcl_life;
    GXRgb clr;
    fx32 simple_collision_y;
    fx16 tex_s;
    fx16 tex_t;
    fx16 chld_tex_s;
    fx16 chld_tex_t;
    struct {
        u32 gen_intvl:8;
        u32 base_alp:8;
        u32 calc_cycle:3;
        u32 reserved:13;
    } etc;
    VecFx16 cross_to_axis_1;
    VecFx16 cross_to_axis_2;
    void (*callbackfunc)(struct SPLEmitter*, unsigned int uFlag);
    void* emtr_userdata;
    union {
        u32 uw_u32;
        u16 uw_u16[2];
        u8 uw_u8[4];
    } userwork;
} SPLEmitter;

typedef struct SPLEmitterList {
    SPLEmitter* p_begin;
    int node_num;
    SPLEmitter* p_end;
} SPLEmitterList;

static inline void SPL_SetEmitterPositionX(SPLEmitter* p_emtr, fx32 x) {
    p_emtr->emtr_pos.x = x + p_emtr->p_res->p_base->pos.x;
}

static inline void SPL_SetEmitterPositionY(SPLEmitter* p_emtr, fx32 y) {
    p_emtr->emtr_pos.y = y + p_emtr->p_res->p_base->pos.y ;
}

static inline void SPL_SetEmitterPositionZ(SPLEmitter* p_emtr, fx32 z) {
    p_emtr->emtr_pos.z = z + p_emtr->p_res->p_base->pos.z ;
}

#endif //POKEHEARTGOLD_SPL_EMITTER_H