66 lines
3.0 KiB
C
66 lines
3.0 KiB
C
// strong_wind_particle.c.inc
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struct ObjectHitbox sStrongWindParticleHitbox = {
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/* interactType: */ INTERACT_STRONG_WIND,
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/* downOffset: */ 0,
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/* damageOrCoinValue: */ 0,
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/* health: */ 0,
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/* numLootCoins: */ 0,
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/* radius: */ 20,
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/* height: */ 70,
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/* hurtboxRadius: */ 20,
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/* hurtboxHeight: */ 70,
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};
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void bhv_strong_wind_particle_loop(void) {
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struct Object *penguinObj;
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f32 distanceFromPenguin;
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f32 penguinXDist, penguinZDist;
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obj_set_hitbox(o, &sStrongWindParticleHitbox);
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if (o->oTimer == 0) {
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o->oStrongWindParticlePenguinObj = cur_obj_nearest_object_with_behavior(bhvSLWalkingPenguin);
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obj_translate_xyz_random(o, 100.0f);
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o->oForwardVel = coss(o->oMoveAnglePitch) * 100.0f;
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o->oVelY = sins(o->oMoveAnglePitch) * -100.0f;
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o->oMoveAngleYaw += random_f32_around_zero(o->oBehParams2ndByte * 500); // Wind spread
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o->oOpacity = 100;
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}
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cur_obj_move_using_fvel_and_gravity();
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if (o->oTimer > 15) // Deactivate after 15 frames
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obj_mark_for_deletion(o);
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// If collided with the SL walking penguin, deactivate.
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penguinObj = o->oStrongWindParticlePenguinObj;
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if (penguinObj != NULL) {
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penguinXDist = penguinObj->oSLWalkingPenguinWindCollisionXPos - o->oPosX;
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penguinZDist = penguinObj->oSLWalkingPenguinWindCollisionZPos - o->oPosZ;
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distanceFromPenguin = sqrtf(penguinXDist * penguinXDist + penguinZDist * penguinZDist);
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if (distanceFromPenguin < 300.0f) {
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obj_mark_for_deletion(o);
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cur_obj_become_intangible();
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}
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}
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}
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// Spawn particles that blow Mario away and knock his cap off from the current object.
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// Used for the Snowman in SL and Fwoosh.
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void cur_obj_spawn_strong_wind_particles(s32 windSpread, f32 scale, f32 relPosX, f32 relPosY, f32 relPosZ) {
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// Alternate between tiny particles and regular particles each frame.
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if ((gGlobalTimer & 1) != 0) {
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// Because the tiny particles are unimportant objects, invisible wind particles are spawned to provide collision.
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// There was absolutely no reason to make the smaller particles unimportant, though...
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spawn_object_relative_with_scale(windSpread, relPosX, relPosY, relPosZ, 0.5f, o, MODEL_WHITE_PARTICLE_DL, bhvTinyStrongWindParticle);
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spawn_object_relative_with_scale(windSpread, relPosX, relPosY, relPosZ, scale, o, MODEL_NONE, bhvStrongWindParticle);
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} else
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spawn_object_relative_with_scale(windSpread, relPosX, relPosY, relPosZ, scale, o, MODEL_MIST, bhvStrongWindParticle);
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// There is also no need to spawn additional invisible wind particles here.
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// If the devs were worried about object overload when making small particles unimportant, why spawn these?
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// It isn't to ensure collision, as even 1 particle every 2 frames is enough to ensure this reliably.
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spawn_object_relative_with_scale(windSpread, relPosX, relPosY, relPosZ, scale, o, MODEL_NONE, bhvStrongWindParticle);
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}
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