bullet.lua

-- custom obj fields
define_custom_obj_fields({
    oBulletOwner = 'u32',
})

---@param o Object
local function bullet_init(o)
    o.oFlags = OBJ_FLAG_UPDATE_GFX_POS_AND_ANGLE | OBJ_FLAG_SET_FACE_ANGLE_TO_MOVE_ANGLE
    o.hitboxRadius = 200
    o.hitboxHeight = 200
    obj_set_billboard(o)
    local localOwner = network_local_index_from_global(o.oBulletOwner)
    local m = gMarioStates[localOwner]
    if gGlobalSyncTable.modifier == MODIFIER_FLY
    or m.action & ACT_GROUP_MASK == ACT_GROUP_SUBMERGED then
        o.oMoveAnglePitch = m.faceAngle.x
    end
    o.oMoveAngleYaw = m.faceAngle.y
    local speed = m.forwardVel + 150
    -- shoot backwards
    if m.controller.buttonDown & D_JPAD ~= 0 then
        speed = -speed
    end
    -- flip if our action is set to turning around
    if m.action == ACT_SIDE_FLIP
    or m.action == ACT_SIDE_FLIP_LAND then
        speed = -speed
    end
    o.oVelX = speed * coss(o.oFaceAnglePitch) * sins(o.oFaceAngleYaw)
    if gGlobalSyncTable.modifier == MODIFIER_FLY
    or m.action & ACT_GROUP_MASK == ACT_GROUP_SUBMERGED then
        o.oVelY = speed * sins(o.oFaceAnglePitch)
        o.oVelY = -o.oVelY
    end
    o.oVelZ = speed * coss(o.oFaceAnglePitch) * coss(o.oFaceAngleYaw)
end

---@param o Object
local function bullet_loop(o)
    if o.oTimer > 1 * 30 then
        obj_mark_for_deletion(o)
    end

    cur_obj_move_using_vel()

    if collision_find_floor(o.oPosX, o.oPosY, o.oPosZ) == nil then
        obj_mark_for_deletion(o)
    end

    local localOwner = network_local_index_from_global(o.oBulletOwner)
    local m = nearest_mario_state_to_object(o)

    -- if we get hit, and we are the victim, handle pvp
    if dist_between_objects(o, m.marioObj) < 200
    and m.playerIndex == 0
    and m.invincTimer <= 0
    and localOwner ~= 0 then
        handle_projectile_pvp(localOwner, m.playerIndex, o)

        obj_mark_for_deletion(o)
    end
end

function hud_bullet(gunCooldown, maxGunCooldown)
    if gPlayerSyncTable[0].state == SPECTATOR
    or gPlayerSyncTable[0].state == WILDCARD_ROLE then return end
    if  gGlobalSyncTable.roundState == ROUND_ACTIVE
    and gGlobalSyncTable.gamemode == SARDINES
    and gPlayerSyncTable[0].state == RUNNER then return end

    -- clamp gun cooldown
    gunCooldown = clampf(gunCooldown, 0, maxGunCooldown)

    local text = ""

    if gunCooldown < maxGunCooldown then
        text = "Recharging (" .. math.floor((maxGunCooldown - gunCooldown) / 30 * 10) / 10 .. ")"
    else
        text = "Shoot (" .. button_to_text(binds[BIND_GUN].btn) .. ")"
    end

    render_bar(text, gunCooldown, 0, maxGunCooldown, 0, 162, 255)
end

id_bhvBullet = hook_behavior(nil, OBJ_LIST_DESTRUCTIVE, false, bullet_init, bullet_loop)